VMware TGI Kubernetes, 20 Aug 2021

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From YouTube: TGI Kubernetes Episode 163: NAML

Description

This week TGIK will explore the Not Another Markup Language (NAML) project! Join us in checking out how we can use this project to install and delete Kubernetes resources in clusters.

A

Hello, everyone tgik163.

B

Hey everyone, what is happening great.

A

To have you all, it's good to be back. Yeah have.

B

A

Done a tgik where we were people were in the same room, or has it always been? You and joe probably have right.

B

Well so joe and I used to screw around a bunch and he would like come in and say, hi and stuff.

C

B

Duffy- and I did one I want to say, we were like sitting in the same room at the cystic office.

A

Okay, yeah yeah, I mean.

B

It's been, it's been a.

A

While yeah totally totally so um I'm sure you all know, but if you don't chris and I work together at heptio and a little bit at vmware for a tiny bit of time and uh we've both done tgik chris is like the tgik og. So we've got her back today. We're super psyched to have you all um those of you who are joining us um if you have not seen tgik before. Typically, we use this time to look over some kind of open source project and kind of get to know.

A

It learn a little bit about it and today we're actually working with an open source project that chris started called namel. So yeah yeah.

B

Cool, I'm I'm stoked to be here so uh a little bit of context. I I'm here in denver I'll, be here well we're not in denver right now, but I'm in colorado and uh just kind of passing through for a few weeks and josh, and I just got done rock climbing and- and you know I had written this project and well here we are yep and uh so yeah we're gonna. We're gonna certainly send this episode of tgik.

B

Today, I'm stoked to talk about, go the go programming, language and package management and kubernetes and see what kind of trouble we get into.

A

Awesome cool all right, yeah and uh if you are joining us and want to say, hey in chat, feel free to say where you're tuning in from abc it's great to see you again: uh kr martin, yogi, yuka um and kristoff thanks for joining us today. We're super glad to have you uh colorado. Oh nick nick is on my team in vmware and he is also a colorado human. So thanks for joining us today, nick I.

B

Feel like we look very colorado right now,.

A

Yeah we're we're trying to wrap colorado, we're up in colorado, fantastically exactly um hey keith thanks for joining us from ireland all right. um So let's see what we've got going on newswise this week and chris- and I were just talking about this- um I uh did a bad tgik host job and didn't get much news. So, uh as always, if you do want to add, uh add any news to tgi k, dot, io, um slash notes, feel free to add some in because we are.

A

We are light this week, um but we got a really cool episode for you, um so we can review chris. Maybe you can tell us about this uh weird terminal thing that you.

B

Like so much so so this one was we added this at the last, like last minute, like we were getting ready and I was like: oh josh, you got to check out this terminal that I use so really there's two things I want to show josh slash all of you all out there. The first one is just the terminal itself and then um part of the magic of the terminal is in the fonts that the terminal uses.

B

I I would say every time I put a screenshot of this terminal on twitter. It's almost guaranteed that somebody has to ask oh my gosh: where did you get those fonts? So if you're looking for probably the coolest old school terminal font you can ever fathom this is this?

B

Is the correct place to go and it's the same fonts I use on my my personal blog and I like to sneak it into all of my presentations that I do so anyway, we're going to see if we can't get josh to install it and demo it for folks. Okay. um So if you want to pull it up, it is called cool retro term.

A

Sweet should we go to the page you linked or.

B

Yeah yeah, okay, cool. Let's do that! Let's go to the github okay! This is also the same terminal. I use on.

A

Oh, should we introduce barnaby real, quick.

C

B

C

A

If now is a good time yeah, we.

C

A

We have a third host today in case you're, curious.

B

So this is my dog. uh His name is tiago biern or, as I like to call him barnaby. He is an f2 golden doodle and he wants everybody to know that he is putting the dude back in golden doodle um and so he's been rock climbing with us and hanging out here in colorado. Being a sport and he's going to be bothering us today, yep.

C

B

He jumped out of my arms. He did not just drop me.

A

A dog on the floor yeah chris dropped the dog 20 feet in case anyone's curious.

B

Yeah, I get a lot of feedback from my partner when I do that when we're on the phone she's, like did you just drop the dog on the floor? I'm, like you know he jumps. This is like a thing.

A

It's a good skill.

B

Yeah cool, okay, so retro term, okay, so, okay, so look at that acronym, really quick! There's some subtle like quotes.

A

B

Cool retro terms, oh.

A

Yeah yeah, sick, okay, okay,.

B

So like it's, it's exactly what you wanted to be. It.

A

B

Looks like strong bad emails from like back in the day.

A

B

But so it's I think, it's written in c, plus plus it's gpl licensed okay and uh you you can just like it's in all of the the major repositories. So I think it's in ubuntu should be in arch linux, yeah, I'm assuming it's got it. You said you found it. It.

A

Was in brew, yeah, yeah, okay,.

B

So did you install it.

A

I didn't install it yeah. Okay, so is it like a separate app.

B

Yeah, it's okay, it'll, be just like another item: cool.

A

Oh, I see it and.

B

See how it says: crt.

A

B

A

uh Oh no apple, we'll fix this hold on everybody. Apple. Just uh doesn't like that. It's not signed because apple's weird um we'll fix that they liked oops open anyway cool.

B

There we go so josh has a really sweet setup here, like I'm actually pretty jealous of the setup. It's not that cool.

A

But okay cool is this: it yeah, so that's it so! Okay.

B

So now right click and go to settings. Okay, uh settings and just jump around in here see if you can't tr. So I like the um ibm.

A

3278, yes, try that one load.

B

D

B

So and then now like drop, do you have an h-top in here.

A

I do on my linux box. Let me get the ip. Can I t-mux in this. Would that do something whoa.

C

D

A

With tmux, okay cool, let's grab, uh let's get into my linux boxes, yeah.

B

See how cool you look really.

A

Oh, this is yeah. I look like a hacker right. If I, if I've ever looked like a hacker, this is definitely the day. This.

B

Is nice you said h-top uh yeah there you go so that's.

A

B

If you want to look awesome when you're doing like on-screen demos or doing like tgik, this is this is the way to just make it look like you really really.

A

B

Nerd that you feel like you are deep down inside.

A

Wow, okay, sweet wow the like, but it's even like bubbled a little bit like an old crt, go.

B

But go back to the settings really quick, so it's got all like sliders. So if you go to, I know it's kind of weird go to terminal or effects it's the third third.

A

B

Yeah, so you can see, there's burn-in, there's jitter, there's whoa and you can really like the burning is really cool, because if you start typing, it'll burn like it'll, have like a burn-in in the screen like in the world.

A

D

B

A

How oh yeah yeah it kind of like, has the trails there, nice, nice, yeah, wow.

B

um And then are you on your arch linux box here.

A

I am right here yeah, so.

B

Okay, so grab uh it's called, be pi top.

A

B, uh like download the package.

B

Yeah so like pac-man um capital s and what.

A

Was it called again.

B

A

B

Top so duffy showed.

A

Me this one uh pseudo would be helpful. Yeah.

B

So duffy showed me this, so if, if you want to see the perfect combination of hacker, I.

A

Love the burning thing.

B

Yeah so now now just run run deep high top.

C

B

This is the ultimate hacker right here: uh oh adjust your your size to fit it really quick. There you go and then you might want to change your try to try to fool with the the settings on.

A

The uh like the theme or something yeah just.

B

Try maybe vintage or the apple ii or something I.

A

Wonder if my burning is a little too crazy, too okay, uh apple.

B

Ii, this one yeah try that one, it's looking a little weird.

A

Oh yeah, maybe it's I am if it matters like ssh into that box. I don't know if that would be.

B

Maybe maybe just try a few of them. Click.

A

Around vintage.

B

So now it just looks like we're really.

A

Well, that looks that looks sweet, even though I can't read it.

B

Yeah, that's cool.

A

B

A little closer okay yeah, it's a little bit closer. So if you maybe tried an item too yeah, let's try it, um but it does like it's written in python, which is crazy and it just it like it has like a glow in the terminal. Anyway, these are like my favorite things ever. Oh.

A

Weird yeah, I don't know, what's going on, maybe it's something with my.

B

Bash profile, maybe it looks like we're trying to do like monic, monocolor or not monocolor. What is it uh true, color in a 256 or something.

A

Oh weird terminals.

B

Are weird yeah when, when joe and I were working on porting log cat over to go, we ran into some of this weird weirdness as well anyway,.

A

B

We can stop playing with.

A

Terminals now well, this I mean this was worth the whole episode honestly, so hope you all enjoyed it. Yeah cool all right, um so we'll go back to uh the notes here and check that link out. If you do want to try out cool retro term and we'll go right into maybe some of the show stuff, so um chris, I'm just so curious, enamel, obviously a very interesting project. It's called not another markup language, so maybe you could frame it like motivation like just give us an overview of what you're thinking here.

B

Okay, so to be, I just want to be really clear yeah. I did not expect this thing to blow up. um I I definitely wrote this like as a like. I was, I wouldn't say, frustrated, but I I I always had assumed that that somebody somewhere had done something like this. Okay and I I've never been in kubernetes package management land before sure. All of my work in cube is like, like the api server is high level for me totally.

C

A

B

Like I've, always just kind of like there's always been a team that has handled that. So I started this new job and we do a lot of application management with our kubernetes clusters and we were still using a lot of the old yaml tools. Yep and I just kind of was like.

B

I can't believe we're, not writing a lot of the stuff and go totally and to me it just seemed very like natural, that's kind of like you know, that's what I thought we did with controllers and with operators, and I kind of thought as a community. We had moved past. um You know if you're gonna be putting logic into your apps, like I thought we were in a place where we were like starting to write it and go or like starting to explore other options than trying to like replace yaml for specific uh config.

C

D

B

This kind of started off as like a an example to be like if you're going to write it. You know if you're going to give a musa muffin.

D

You know if you're going to write a kubernetes application.

B

C

B

Going to need a make file, yeah and you're going to need a main.go and you're going to need. You know, there's there's probably a lot of commonality across like applications yeah and so that ultimately turned into nemo what we see here, okay- and it started out as like a let me just hard code, a deployment yeah.

A

B

A service stick it and go, and then I realized well, if I'm going to do a deployment, I'm probably going to need to do a service, and then I'm probably also going to need to do our back. Okay.

D

B

Then I started to kind of walk down this really classic path of like polymorphism in cube.

A

Okay, which is really.

B

Hard and go because go doesn't have generics.

A

Sure totally so it's like.

B

A

Of the stuff in.

D

B

Is like how do we get? um You know, common object properties shared across all the cube objects? Okay, while keeping it literal enough, while still making it flexible enough to be like you know, polymorphic, so to speak totally.

A

B

Anyway, I wrote a small interface: that's like the world's simplest interface. If you want.

A

A little picture of it here, right yeah, if you scroll.

B

Down it's it's that interface.

A

B

And really like this is all I think of when I think of the project was. It was just my way of basically being like if you're going to write a go app um at least have it like implement some common interfaces. Sure.

C

B

That we, or at least a common interface, so that we can at least treat each application. The same.

C

B

Anything we we want to write that operates on this interface, can now be used by by any application in general, cool cool, so I'll stop there um and see if people have questions or if.

A

You have questions or anything, yeah chat. Do you have any any questions for chris? So far, um one question I'll ask you. Maybe out of the gate chris is like looking at this project like it sounds like if I'm a kubernetes user who's deep into like helm, templating and I'm starting to put some logic into my template to render it like this could be a different approach to that where it's using a typed language.

A

It's letting me do similar things or is it a different use case than like a home user would run into.

B

So I definitely think they solved the the same. The same thing, okay and so like a lot of my my kind of thoughts around this stem from, like I haven't really ever been a helm power user.

C

B

Like I've never really woken up in the morning and said, I'm gonna go write a helm chart or I'm.

C

B

Customize or I'm gonna go, you know, I think the closest that I've ever done is I've like written some bash scripts. That, like said in a couple of values when it was like a very small use case and totally like, I even think, there's some tjik episodes where I do that. Yeah.

D

B

That was kind of like the extent of my cue package management.

A

B

um So so then, like, if you look at a project I used to work on that, I'm still a maintainer of called falco. Okay, we had a lot of config right, like the falco rules are just like very, very config, based totally and.

A

B

Done with c plus templates and lua, oh.

A

Wow, okay, which.

B

If you, if you don't know the history of c plus and lua and templating, um it's all turn complete. You can add. If statements, you can add a for loop, you can iterate, you can. You know, there's memory exchange like it's. Basically, a full-fledged programming language, but just without the constructs of like a you know, a programming language that was set out to be a programming.

A

Sure, language, truly general purpose or something.

B

Yes, and so I feel like helm, kind of like, like repeated that same pattern of like how do we, you know, take our templating and start to add logic to it totally and what we learned in c, plus plus templates, what we learned in falco, at least what I learned- and this is my opinion- was you can definitely write, turn complete config management, and you can definitely do that like well, like you can write, really really good config management code.

D

B

It's never going to be as good as a regular programming. Language got.

D

B

Right, like sure.

C

B

That was kind of like the whole lesson or whatever that I took away and so so yeah. I think that this is definitely not for everyone. Yeah right.

C

Like if you're.

B

New to cube or if you were like just getting started with kubernetes or containers, I would say that, like this is maybe a bit much to bite off yeah totally. I write go every day, so this felt very natural for me. Yeah.

D

B

Talked to a lot of folks who are also writing go every day and who have struggled with some of the paradigms that you know, templating yaml gives you totally.

A

B

This is definitely structured for that yeah.

A

Okay looks like we've got some chat. Questions too carlos said are josh and nova in the same room. And yes, yes,.

C

It's not a green.

B

D

A

uh It's real like there's nothing here, aside from air, so uh yeah um a question that yogi had was: uh how is it different from cdk for kate's.

B

Got so pull up cd case.

A

Yeah, let's do it no.

B

This is a great question right. It's a great question, I'm here for it, I think it's just called cd cates.

A

Oh, is it cdkates like.

B

A

Of this junk here.

B

And make it one one word I think: that's it, that's that's what you're looking.

A

For okay, cool.

B

um Go to the github, I I don't know, I'm.

A

Not a big fan of the.

B

A

I'm all for the github.

B

I want to see the code so scroll down cool, and so I think somewhere in here they say, charts like maybe grab the word charts, that's kind of where yeah. Here we go okay, so um the root of the tree is an app construct. You know and then you k, apply minus f, yeah.

C

B

So this is it's similar in the sense that, like this would say, you write a program uh-huh and then based on what you give the program. It crunches your input, it's a determinantistic system, deterministic deterministic system and it'll spit out yaml, based on whatever your inputs are.

A

Okay, fair so like.

B

That way you could say you know my app give me, you know dash dash production and it'll go.

C

B

It'll spit out tls config, for you got.

D

It, but you can do.

B

My app dash dash dev and it just breezes right over the tls stuff, because you're running I see and it'll spit out the yaml for, like whatever input you get it so like it'll, have like rules and logic based in you know. If we get this input, configure it this way and if you get that input configure it that way totally. So I would say: enamel definitely embraces this same idea: okay um and up until like last night.

B

Actually I have made it a point to not spit out yaml from the product, and I I added that feature just for today. Okay, because I want us to actually talk about because I'm not sweet, I'm not sure if I want to keep it or not,.

A

Yeah, okay, cool.

B

So, but but yeah so this, you know this would say we spit out your yaml and then you can use whatever yaml you want to to like deploy it. However, you want to right, so you got it, use argo cd or use cubectyl or.

A

Totally totally yeah, okay cool all right um and then would you say, palumi's kind of in a similar domain. Is that or do you view polymias different you're, getting all the questions about how it compares to other tools, which is.

B

A

As a tool developer, okay,.

B

So this is the thing, though, is it's like again like I never. I never wanted this thing to be like a thing.

D

Sure yeah right like so so like I.

B

I'm not selling this. I wrote it out of spite almost and like I support it, because I'm I'm crazy cool.

A

So it's it's. I love crazy and.

B

And yeah, so so anyway, that's that's really what I do.

A

Awesome with it so.

B

It's it's like pollu me in the sense that it says like write your your stuff and go yeah.

A

B

And I don't I honestly, I don't know enough about palumi cool.

C

B

I can say is everything I've learned about. Pollumi is it's amazing.

C

B

Love it and it looks like they're saying and thinking all the same things I am yeah or I'm saying and thinking all the same things they are totally, and uh I would say that, if you're looking to like do something like this in production, yep, there's people there totally.

A

They have there's a company there's a little company backing it yeah right, like.

B

Don't don't run your production workload on like chris nova, the boulder rock climber totally.

A

C

B

Okay, so like it's here, because I wanted to to show people what you can do and at the very least, if somebody takes this and says I can go write something similar yeah.

A

B

It works for us.

A

B

I'm all for that.

A

I mean you've got a proven track record of running experiments like cluster api-esque things.

C

Yeah and it becoming a pretty big thing.

A

So we'll check out enamel today and.

B

Yeah yeah sounds good, so at the very, very least like like the idea I care about, take my.

D

Idea take my source.

B

Code, I don't care about any of this. I.

D

Just want people.

B

To actually start writing stuff and go totally.

D

B

Any programming, language um and and in a time where sometimes you know templating yaml, might not be quite enough for what you're looking for.

A

Totally fair and.

B

At the very least, if I can say one thing it's, this is okay. Yes, this is safe. This is normal you're, not doing anything stupid, you're, not doing anything crazy like this is a valid thought that real professional, grown-up business adults. Do you.

A

Want me to clone the github repo down, I.

B

Mean I don't know, I almost want to take like a a vote and we can yeah. We can clear your terminals.

A

So, let's uh we'll get rid of cool retro just because.

D

Yeah, who knows.

A

uh What I'll screw up with it so.

B

While you're doing that, let me I have questions for people, okay, so.

C

B

We can do this like kind of two ways. I can either walk josh through like what I think we should do, or we can just let josh go to town and do what whatever he wants, and I can just be here to answer questions and give clues. I don't know if.

A

You you all should definitely pick option one, because.

B

A

Left to my own devices, who knows where it's going to end up.

B

D

B

Also, just want to see like what, like what people do right, because that's the whole reason I did this.

C

B

Like I want, I just want to offer like an alternative, really.

A

B

A

um I'll clone enamel does that make sense. Yeah, okay, cool.

B

Definitely clone it, and then I also put together a repo, so that might also be a good place to start. I think, having both checked out are going to be really important.

A

Okay, great, you started a repo specific for tgik.

B

Okay, great, I built us a whole repo just for today, such.

A

Special treatment, we appreciate it yeah um should we go to you or so.

B

You can find it in the show notes, or we can go show.

A

Notes sound great this kubernetes.

B

Dashboard example, ah great.

A

That's lovely, that's.

B

A

Will grab that too perfect all right, so we will clone that.

B

Yeah god, I'm I'm having a lot of fun.

A

Yeah, it's kind of it's uh kind of a full circle moment where one of your projects is being featured on tgik yeah.

C

Although you you.

A

Cluster api as well, which obviously you had a big hand in.

B

Yeah, but I mean I don't know like it's- I'm happy to talk about it here. I I just feel like there's so much god I I knew I wouldn't be able to do a tgik without bringing this up, there's so much dang capitalism out there these days that, like it's, there's nothing wrong with just writing a project because it sounds fun and I just want to talk like I.

A

B

I don't want to sell anything, I don't want to compete.

A

B

If anything, I want to collaborate and give it away yeah um so like this was just my way of like I just tinkered. What.

A

B

I'm a mad scientist.

A

Sounds great to me so yeah all right! Well, we've got enamel and tgik cloned down.

B

Okay, so, let's I hope, you're ready to look at goku today by the way I am super.

A

B

I would say: let's.

A

Build enamel just by itself, let's go enamel. um Do you want me to look at the makefile, or do you just want to tell me the make command that I know.

B

Just type type make help.

A

Oh or no, that's fine, you can tag me make help if you got cool help text, so I don't want to skip over it. Oh look at that. I got.

C

A

Emojis in the help text, of course,.

B

The best day ever, of course, there is okay cool, um and this I have, if you go to github.com, there's like a like a makefile template that will like you, so all.

D

B

Commands are like auto-generated, based from.

D

Both comments, yeah yeah.

B

um So, anyway, uh we can compile namel and it's it'll. You know it's, it's a pretty big binary. It's like 45 banks,.

C

B

Holds all of the kubernetes client go and it's vendoring cube version 21.3 right now cool. So if you want to compile it, it's not going to really do anything on day, one. Let's compile.

A

It yep cool and maybe I'll open up a uh another session here, just in case we uh we want to look at something so.

B

A

uh Mosh is a uh ssh protocol, esque thing that's based on udp and it has persistent connections.

B

So you can't, you can't drop your pipe.

C

B

C

Go yeah so basically.

A

Like on my ipad, I do a lot of development.

B

And I use mosh.

A

To connect because oftentimes my ipad's going on and off okay, it's actually really cool. I don't know what the security implications of that are, but you know security second thought um it works really well. Yeah.

D

A

Yeah, it's kind of cool.

C

A

So, while that's wait, did I just hit make help again, I meant to do make compile right.

B

Yeah, do you make compile and then you can actually just do I usually do make and then I'll do sudo make install.

A

Is it just done yeah.

B

It's done, okay, great.

A

Sudo make install yep okay, great.

B

And then that should just drop it off in your path and you should just be able to type mammal now, oh fantastic, okay, great! I love when you could make.

A

Fireworks yeah, I really do. I always tell people make files are like the entry point to a project yeah. So the first thing you go and look at you know. Okay, so we've got uh enamel here.

B

Okay, so let's run it and let's look at what it says.

A

Okay, uh do you want to run just yeah.

B

Just run numbers just run, animals, no no commands just run it. It should spit out some help, text, whoa cool, and I think that that's that should be it yeah. This.

A

Is it okay, okay, yeah.

B

So yeah use use enamel like any other tool, um so like you can convert kubernetes gimbal to go which, like I already dropped the bomb. But that's like really the main feature.

A

B

um And then you can use it to to actually install and uninstall and so like, if, if you could imagine that like yes, this can install and uninstall as a command line tool, but that's certainly not what we're trying to tell people to do. Okay, fair.

A

B

Like what we're trying to say is you have an easy way to install and uninstall, and you can now do that directly from code got it, and so, like the sky's, the limit, it can be a command line tool. It could be a library, it could be a crd or a crd with an operator combo. It could be whatever you know. You could have write an http api that takes json. That says, install my package.

C

B

C

Kind of go anywhere, and so so anyway,.

B

The command line tool is a good way to demo it but like it, doesn't stop there.

A

B

It's kind of the thought. Okay, um so if you run enamel list um it will list all applications that are compiled into itself. Should I.

A

Run that yeah go for it enamel list.

B

And so so, right now you'll see that there's no packages here, because this is just the enamel command line tool. Okay, so what we want to do is we want to build a kubernetes package and then we're going to compile that into enamel binary. Okay. So a quick note on namo binaries, once you I've over engineered this, I didn't. I haven't realized how much I ever engineered this until now. This is great. This is awesome, so I basically re-invented like kind of like an abi.

B

um So once you have enamel binary, that's been compiled with enamel standard library. Okay, you can stitch them together at runtime, so you.

C

Don't have to you, don't have.

B

To recompile or anything they'll just be able to communicate with each other over an rpc.

A

B

And so and then, once you compile your app with enamel binary, you get the command line, boilerplate for free, oh wow, so.

C

Yeah so we're actually gonna we're.

B

Gonna build our first application and we're actually gonna deploy it to key, really quick, fantastic, okay,.

A

B

First, app is, if you go to that, the tgik repo yeah, they pull one together for us.

A

Let's uh bounce over to that real, quick, so tgik, okay, so this is our app yeah yeah.

B

Yeah yeah, okay, so if you okay, so yeah, let's take a look. What we have here cool, so we have an app.go which app.go is the new values.yaml. If you want to think of that, okay, so yeah scroll down and it's going to be huge. This is a huge file. Okay, but don't let that scare you, because it's not that big and it's not that hard to understand yeah.

A

And chris this was auto-generated or okay. This is all auto-generated. Okay,.

B

How did you generate this? Okay and we'll talk a lot more about that lovely great.

A

um Do you want to go to a specific spot or no.

B

I mean, I think, just show just like show like some of these string. This map really quick right.

A

Yeah yeah so object meta from the.

B

Yeah, perfect flank yeah. That should look good. That should look pretty similar to like yaml that we've all seen before totally.

C

B

So this is just uh basically a small go system that that is about 90 the same as um a conventional yaml file cool, so the app that we're actually looking at. If you look online 180, it's the kubernetes dashboard.

A

Okay, kubernetes dashboard, yeah.

B

And so this is a this is the secret. So if you go actually go into uh google and just look for the kubernetes dashboard, okay, like project yeah- and you can see where I got this from dashboard.

A

Cool you want to go to github again.

B

A

Always write her.

B

Great this is this is like why I love arch linux. I just like everything needs to be very literal. I.

C

Don't get it exactly yeah, okay,.

B

So go down there's in the docks, there's a little cubicle curl something this thing here.

A

uh This thing here, yeah.

B

Grab that raw okay.

A

B

Look at that great.

A

B

It wouldn't be a tgik episode if we didn't look at yaml.

A

Together, we can absolutely do that, so we will um do this. I will zoom in here oops I like how I'm just telling you what to do.

B

Okay, I mean it's.

A

Great yeah feel free to take control too. If I get too slow um so we'll do this and uh we will do it against this url. Okay! So we're looking at recommended.yaml, yeah, yeah, cool, okay, great.

B

Okay, so this is the gamel that we're looking at and go. Okay got it, and so, if you like go down to this the secret, so we were just looking at the secret and go so kind secrets.

A

Yep this is it.

B

Yep so scroll down there, you go cool, so uh labels, kate's, app kubernetes, dashboard, name, kubernetes, dashboard, search, namespace, kubernetes, dashboard.

A

Flip back over to your this is the object meta that we were looking at here right. It should be yeah. Let's.

B

Yeah there it is okay, um that might be a name keyholder.

D

B

Be another secret in that email file.

D

Maybe so, let's see um so oops, okay, so.

B

I'm making you go fast.

D

A

There it is here older, we found it.

B

Cool yeah so that secret on line 71 there yeah.

A

So this is what object. Meta basically represents right.

B

Exactly got it yeah cool and so, like I'd love to talk, I don't know if we can go deep on go, but we can talk about polymorphism and go and object meta and all that in kubernetes anyway sure um so every so go has a concept called embedding and there's also like sort of like a cousin concept called composition. Okay, um embedding, basically you know. If you imagine you had like a holistic object, you can embed logic and fields from another object into it.

B

Okay, so every object in kubernetes embeds this thing called runtime.object yep and that's where object, meta and name and like all these things that every kubernetes object has in common okay, and so that's where we get the polymorphism from got it. So every object in cube can be rationalized as a runtime object. And if you go back to the enamel yep um interface.

A

um Oh, you want on the github.

D

C

B

On the github page.

D

uh Enamel enamel enamel.

A

B

And if you go down, there's an object's method, this right.

A

B

Yep, it just returns a set of runtime objects.

A

Okay, so all of those.

B

Runtime objects are embedded in each of the regular kubernetes objects. Okay and.

A

B

Like type them out and like figure out what they are yeah.

A

We got a barnaby's, I think, barking at a uh a uh garbage truck, but we're back.

B

And we're back yeah, um okay, so cool okay. So so that's where the runtime object comes into play got it if we go back into the go code. Okay, if you look here on line 185, you can see where we're actually defining the object meta into uh this core v1 secret. So that's where we get that polymorphism and that's where we get that embedding and go and everybody wants to say go is not an object-oriented language and I used to actually be really big about that. But, like I've I mean look at it. We have.

B

We have a struct called object, meta and we're talking about polymorphism so like even if go wasn't designed to be an object-oriented language like kubernetes, definitely made it an object-oriented.

D

Language, cool.

B

um So yeah so anyway, that's we do that for every every uh kubernetes object in that yaml file, okay and anyway. So that's what we are looking at here and if you scroll up to the tippy top of this function or this method that we're in the.

A

Method, we're in is yep.

B

It's gonna take a.

A

Minute there it is install.

B

Okay and that that is one of the methods defined in that interface.

A

ah Yes, okay, so that is one of our deploy and the deployable interface right.

B

Exactly okay, so anything that you write that implements deployable can be used with all of naml okay. So I think the the long-term goal is to get any kubernetes app written and go to implement that interface. Enamel just makes that like stupid, easy for you to do got it yeah.

A

B

Okay, so let's compile the kubernetes dashboard and let's take it for a spin.

A

Sounds great all right, so we'll get out of the code here and uh okay so compiling it or am I just like? Am I just doing a go? Build no.

B

We we gotta make file here.

A

Oh a make file right right, yeah we're just talking about how beautiful makefiles are. Is there a big help as well.

B

Yeah and so fancy there, it is yeah great.

A

B

Yeah cool make compile, and it's just it's gonna work just like the regular naval binary, because this is basically we looked at 90 of enamel before and now we're doing that. 90 plus your 10, which is the kubernetes dashboard, got it okay. So when this gets done, it should look almost identical to the the vanilla enamel that you'll get out of the box, got it undefined output. uh Maybe do it go mod, tidy yeah that could be.

A

Cool and then we will try make again uh vendor json.

B

uh Do a go, mod download, go.

A

Mod download.

B

And maybe I did not push the latest version because we want to make sure I added these methods like last night.

A

Okay, okay, so.

B

Check your go mod, really quick, uh go mod. We want to be using 3.0, okay,.

A

B

Yeah that looks good.

A

B

So let's try uh get out of here and try to go mod vendor and then let's try to make again and then.

A

Oh mod vendor and then make compile again yep cool.

B

There we go yeah, I think I think like you're. Probably if you do a git status after this, you might can open up a pull request to is.

A

It going to be my go sum, or something like that.

B

It'll it'll, I don't think it'll be your go sub. I think it'll be your vendor.

A

Oh my event, oh you have a vendor directory. I.

B

Think I had the old version: okay, yeah.

C

A

That makes sense, yeah, okay,.

B

A

Issue no biggie cool.

B

It's always dependencies, yeah, that's not dns! Sorry, I put together this repo.

A

I was hoping it was going to be. We appreciate you putting it together for us, okay cool, so I didn't make compile yes.

B

So if you list now, you should see it should have just dropped off a tgik binary. I.

A

See it yep yeah, so just run that and.

B

It should look just like the regular naval binary, okay cool. um So now do you now.

A

Do tgik list okay, tgik list and.

B

There you go whoa.

A

Okay, cool, okay,.

B

All that go that we just looked at yep makes up this little system here. This little tgik cube dashboard the version, the description, everything you that's all hard-coded and go got.

A

B

Like if you think about it as an application developer, there's a ton of fields you might want to like pull up to a command line, flag, sure or.

C

B

Yeah or maybe they're the parameters to your api that you're building, okay right, and so this is how you would inject like configurable options into your your broader app. Oh.

A

B

So like, if you wanted so if we want, for instance, we talked about like having like a dash dash production or something sure we could totally bundle in like a field that would then be represented here. That would say it's a bull. It can be true or false, and then you could add some language about like what it.

A

What it changes in the structure right construct, really exactly right: okay, cool.

B

Yeah, okay. So and then, if you actually look at the binary size, which we don't have to do this, but you if you want to ls la or whatever yeah um so the binary size of tgik or do dash h for human yeah, got.

A

It human readable.

B

A

B

Okay, um so that's 47 megs and if you go back to the enamel binary it'll probably be if 44 45, maybe 46.

A

Enamel 48 48 yeah. I didn't do das h, but yeah same idea.

B

A

Yeah yeah, so it's.

B

It's almost the whole same thing: okay,.

D

B

You're, actually getting your app and you're getting a lot of the other boilerplate you're, getting the kubernetes installer for version, 21.3 you're, getting the enamel rpc, the enamel libraries, a yaml encoder, like all of the dependencies, are all baked into it as well.

C

B

Okay, so what's really cool is, uh if you go to the the the regular namal binary now.

A

Okay, the regular enamel binary. So that's is that in my path, I can't remember it.

B

Should be inside that yeah yeah, enamel cool okay, so in the same way that you can cubecl dash, f, okay, namel dash, f, enamel, dash, f and then you're passing in the binary, not a yaml file to dashboard.

A

Oh, I see okay, so I'm going to go to enabled gi k, binary and then just.

B

Go and then run any sub commands run list or whatever. Oh.

A

D

Interesting, okay, cool it doesn't rpcf.

A

B

It does an rpc at runtime, so it's.

A

Rpc, in the other binary.

B

Getting this data.

A

Back and giving you this totally okay, interesting, so.

B

This way you can, you can you can offer by signed binaries.

A

Yeah yeah and then you just stitch.

B

And you don't recompile this once it's there. It's there.

A

C

B

Because everybody's been doing the same library so.

A

Yeah yeah boilerplate.

B

Rpc crap that nobody wants to deal with. That's.

A

B

Into your binary, that's wild.

A

Yeah, okay, cool, okay, so anyway, so.

B

Now just run the tgik and do tgik install okay well,.

A

I'm assuming you have a let's actually check to make sure we still have a cube cluster because that'd be really bad. Yeah cube cuddle, get nodes; no that's not namespace scoped. Oh, it still works cool, okay,.

B

A

Nodes, it's on aws is that kosher yeah.

B

Yeah amazon's great so.

A

We will do uh tgik.

B

Right tgik install uh yeah but uh period.

A

There you go: tgik install okay, yep. Here we go there, you go okay,.

B

Whoa, okay, cool.

A

B

It installed sweet, so we installed, we installed the the official kubernetes dashboard represented in auto generated, go.

A

Okay, so let's uh then just watch cube cuddle get pods all uh we'll make this a tiny bit smaller. Oh, I see the dashboard already yeah. um What namespace would I put it in.

B

Cube dashboard, let's just filter.

A

By that then so namespace cubernetties dashboard. Why do they spell.

B

Kubernetes all the way. Okay, here we go, I don't know great.

A

So we just installed it yeah.

B

So you guys see if you can pull up the dashboard.

A

Yeah, great um okay, so this is an instance running in aws. Okay, which means did. Was there a service type load balancer? That would have gone in uh maybe kubernetes. If not, we can do like a node port thing. Kubernetes.

B

I think the docs tell you to port forward.

A

Oh port forward, duh, okay, great- um I never port forward, so help me out here.

B

Just cube port forward so get the we need. The name of the pod report forwarding to got it. Okay, let's get that one more.

A

Time and I got.

B

You I got this, I got this, you got this.

A

All right, cool port forwarding.

B

To the dashboard.

A

The dashboard secret no grab other one, the.

B

Second, pod: yes, you.

A

B

Port forward port.

D

B

Space, the name of the pod, okay, space uh yeah, you got it dashboard and then it's it's! It's port, colon port, docker syntax. So uh we gotta go to the docs and I think it's eight thousand.

A

We gotta figure out what port is. Oh, what portaton? Okay, let's go to the docs for dashboard yeah.

B

Yeah grub for 8.

A

000., oh 8, 000, okay,.

B

A

B

A

Somewhere in here is anyone in chat now, what's that, what's the default port.

B

A

8001. 8001., okay cool. uh Can I just run that? How would that wouldn't work? It wouldn't.

D

It doesn't okay.

B

A

I don't know, try it cute cuddle proxy. What is it proxying? I don't.

B

Even know it doesn't make any sense, there's maybe there's some weird yaml kubernetes something.

D

B

A

B

It might just like check all your services or something.

A

Okay, whatever I'll try, maybe.

B

There's a q proxy object or something.

A

B

There's probably like a field in the service that says, like q, proxy, enable or something.

B

And then your localhost 8001.

D

A

B

Http, instead of www.

A

uh Oh weird, how does that happen.

C

B

All right try to try that poured forward. Yeah.

A

Let's try that okay port forward- oh we'll, just grab it here, yep cool and then do you remember what the command is to put the port in yeah.

B

Yeah target is it so don't do 8001.

A

B

Colon colon 8001 8001. and then run that asudo. Oh no, you're, good you're,.

A

Working because it's 8001., that's why? Oh, you know what's happening, I'm on an arch linux box, which.

C

A

Need to be going to my on this mac, I need to be going to that box's ip, okay,.

B

So grab grab the ip so just.

A

Great close, this uh we'll do this we'll grab the ip. um That's why it wasn't running local, that's exactly it yeah and.

B

It looks like, while you do this, I'm going to talk.

A

Yeah sure thing please do.

B

um It looks like carlos said, use prop cubectylproxy to respect the to to avoid the off. So I don't know if that's that's good best practice or worst best practice.

A

um You know what chris we'll keep it simple networking wise and we're going to run the cube proxy command on my local machine how's.

B

That sound yeah do it.

A

Port forward yep, that was what we're doing right port forward.

B

I'll tell you what to type.

A

Perfect, so this um and we'll do it right here so 8080.

B

uh 8001, okay, colon 8001. great run that.

A

B

Aliases in here.

A

B

Let's try I'll now pull up localhost 8001.

A

8001. yup, that should do it. Okay, why are you upset? Is it still doing the ww thing? No, it's not.

D

D

B

Port forward, an error occurred, failed to dial tcp, try, try pseudo, maybe.

D

No, let's give it a shot. I.

B

Don't know maybe.

C

B

huh This is always the hardest part of kubernetes.

A

Yeah, I know it's like what is what is a networking.

D

A

That's being used, um okay, um wrong.

B

Kubernetes cluster conf.

A

Describe service to check on the ports, I think this is the right kubernetes cluster comp. That's a good point, get pods all.

D

A

um Oh, is this no here it is here it is yeah. It's running.

B

Kubernetes dashboard yeah.

A

Should we check the service yeah.

B

Do dash and kubernetes dashboard get service, okay, yeah! You know what to do.

A

Kubernetes dashboard um service is what I'm looking for svc cool.

B

uh Eight thousand.

A

Thousand weird: that's a scraper, though this is four four three so.

B

Try four four: three: okay.

A

Whatever that works for me.

B

Maybe maybe the auth like turned on tls.

A

Or something three yeah is the first argument: the yeah.

B

That's fine! So now you should still be able to access it on localhost, eight, zero, zero one huh huh check the logs okay.

A

Can you curl that, oh you know what I think we have it in reverse chris? Oh, do you see what I mean yeah? That second argument should probably be just do 443 for both okay, cool and that'll definitely need to be pseudo. Yeah.

B

A

B

A

B

A

You got it 443., https and https.

B

Can you curl this.

A

Thing yeah: let's curl it, let's do a curl okay, so.

B

We have to go again.

A

Fill the execute port connection.

B

Far run netname space, you and I fail to dial 443 connection refuse so we're getting a connection refused in the pod.

D

In the pod yeah.

B

D

B

Let's go back to go back to the docs, really quick, yep.

B

And actually we're we're on your mac right now, we're on.

A

My mac right now, yeah.

B

Go sorry, go back to your terminal. Can I go.

A

For it yeah, please all right. It's all you.

B

I want to see what this does ah have. We tried this on the mac, yet.

A

um No, we have not tried this on the mac, yet, okay,.

B

So this browser is your mac yeah.

A

This is my mac yep, you got it.

B

B

It's not even doing the portforwarding thing here: um okay, so alias katie equals cubectyl dash, namespace kubernetes, ah new keyboard, cool.

A

Yeah different switches, everybody.

B

Yeah, okay, so katie get svc. Okay and katie get po okay. So we have ports 8000.

A

For the scraper.

B

Right and then the kubernetes dashboard is listening on. 443. seems like it yeah cubectelproxy on mac. That's what we tried. I mean it would be cool if we could get it exposed.

A

B

Cubectel proxy on mac and click, the link.

A

Okay and then the link in the docs, maybe is what yoga is talking about.

B

A

Yeah yeah flip over to safari it'll yeah here I'll.

B

A

Yeah, um oh, wait: you did what'd, you do.

B

uh Refresh, oh.

A

You, I think you got the api server right now, right, okay, so proxy is working.

B

A

Then click this. It looks like it's. Oh wait.

A

Oh wow, oh okay,.

B

A

I've never used keep cuddle proxy before yeah. Today,.

B

I'm definitely gonna go check it out. I didn't even know it.

A

Was the thing to be super honest with you.

B

Yeah: okay: um choose a cube: config file; okay, so I'll. Let you.

D

B

D

B

And then do you have, can we access hidden yeah? We can. Let's do this real, quick, oh.

A

C

A

Just such a power user chris, let me tell you all right: you want uh this guy here, yeah.

B

A

B

Also, I think my dog might have eaten your shoes. Oh that's! Okay, whatever.

A

All right um uh choose the cube config file, config.

B

A

It has different contacts in it, though, does that matter? I don't.

B

Know give it a try. Okay,.

A

D

B

Not enough configure access to multiple clusters, maybe.

D

B

The docs make it easy to get a token.

A

Yeah, maybe so.

B

To find out how to configure your bear tokens.

A

Oh hey duffy's here.

B

A

Hey duffy, god duffy helps we're trying to find tokens. Okay, um I.

B

I just want to do like a good duffy impression like what you need to do is do this this and this, and there.

D

You go, I love it. I love it.

A

um Okay, uh we're with kubernetes kubernetes dashboard github, see if that spelling will get me there. Okay, cool there.

B

A

So we're looking for auth right.

B

A

B

Can you upload the cue config file yeah.

A

Yeah we tried um create.

B

An offbeat there we go.

A

D

I click on this yeah.

B

Okay, create a sample user. Oh this looks busy yeah.

A

Sure does well either.

B

Way, we have the dashboard working.

A

The dashboard is running yeah, I mean, I guess the unless, unless you want to get into the dashboard stuff well,.

B

I mean it would be cool, but we don't really have to.

A

What uh I mean the cubeconfig is upset because create a service account and associate it with cluster admin role and grab the token from that. You wanna do that: okay,.

B

Okay, whatever duffy says we.

A

Should do it so we should probably do it. Okay, um so this right here, all right, uh cool, we'll just make a big animal file here.

B

And then actually throw that in the um we could this one can be our pull request. Enamel, oh.

A

Perfect, do you want it in the tgik repo.

B

Yeah yeah just throw the yama and the tgik from it. Okay, cool.

A

So we'll uh put it here and we'll say: service dash.

B

And I think you can rename this yeah cool. I think I just found another feature that we're going to add. Oh.

A

Great to enable as well all right so we've got the service account we'll grab the role binding, yeah.

B

um Yeah grab yeah screw.

A

It seems good. Okay, um let's make this bigger. Okay, so service accounts, admin, user, um we're binding that to cluster admin, seem reasonable, okay um and then after we apply it, we get a bearer token from it. I think okay makes sense.

C

B

As good as mine, so duffy said to do it: okay, service yeah: this is duffy's.

A

Fault by the way, yeah um service, dashboard, great thing.

B

Carlos says, move to niaml and like we won't get there.

D

A

B

A

C

um That's a token yeah, okay copy that together, you will copy that.

A

C

B

A

Dashboard, okay into the dashboard yeah, we.

D

A

A mic by the way, that's in front of the screen. That's why we're ducking as we talk to you all. um Okay token,.

C

A

Are you doing anything token.

B

Try to refresh maybe yeah.

A

Good point go for it sign in oh, no.

B

All right: well, we can move to name all free.

A

B

Fair enough.

A

Fair enough, okay, the dashboard exists. The more important part is that we deployed it and it runs.

B

A

Okay, cool great all.

B

Right so so, let's go back to enable great: let's do it and so we'll we'll get to the future when we get there yeah, um let's, let's generate a new application. Okay um from the the the yaml file you just created.

A

Oh from the cluster role.

B

Binding so yeah, so you.

A

Just made that that new service yeah, so I figured.

B

We like, and I'm kind of making this up as we go.

A

Yeah great, so this is that command where you like pipe in the.

B

Yaml is that right, it's called enamel codifier, codify really is, is what I I think, what I think.

A

Will it take an argument or should I pipe into it.

B

So before you write anything, let's create a new directory, got it um whatever. We want to call this new app called the dashboard auth or something the.

A

Dashboard auth great.

B

Yeah so go in there: okay, yep.

A

um Great we're in.

B

And so move the yaml file here you got it.

A

What did I call it service dashboard? Okay, great all, right, we're here: okay,.

B

Cat service, dashboard.yaml, okay, pipe to enamel, codify okay and do just for right now do dash dash help okay cool. So you can you can override author name, author email in the description, if you want so, if you want to add stuff, you certainly can yeah.

A

And then you'll.

B

See the default values over there, okay, and I would at least suggest checking uh renaming dash dash name from app to something else. Okay,.

A

B

C

A

Just out of curiosity, what does name and email do? Does it put it in like a metadata field or.

B

um Right now it just stores it in the apache two header. Oh.

A

Got it okay, so, like.

B

The whole apache two name in the game like I figured all this is gonna, be potentially uh under the linux foundation. Cla and everything I do is apache too. So this way it's your you're covered, and if you want to do licensing stuff, you can got it.

A

B

C

A

Yeah service dashboard even would be so a dashboard. Okay, great okay, cool.

B

Okay, cool so do service dashboard hit, uh yeah run.

A

That do it: okay, great.

B

Cool, so that's.

A

C

B

Is this is the whole value? This is the code. This.

C

B

The thing this is the big like, oh wow, moment: okay,.

A

So what did you implement for me.

B

um So I implemented the deployable interface. We looked at earlier.

A

Yeah, okay, yep, so you've got description, meta objects! Is it install and uninstall yeah.

B

And those should be really big if you actually want to pull those up in your your editor.

A

Should I pipe this to a file or.

B

Yeah, so pipe that to um you can just do a single carrot, uh call it main.go for now. Okay, great! Actually, sorry. Can you rename that to app.go yep.

D

B

We're gonna have to so we're gonna have to change a little bit about this, and it's one of those things where it's like the whole point of using something like mammal is so we assume that you know how to write. Go. Okay,.

C

Or at least that.

B

You know enough to like kind of like get it down totally.

C

B

So, like it'll get, you started and like for me as a go author. This like this is this is crazy, convenient because nobody wants to like copy paste and go look up at docs anymore, totally coming from from yaml, but so what this does? Is it basically gets you a standalone, app, okay, we're gonna vendor this app from that original tgik go program.

A

Interesting so we're gonna have to get.

B

Rid of the main function that namel automatically made for us and turn this into like a library, got it. Okay,.

A

So I think I'm tracking cool so go to app.go.

B

A

B

It up and then, if you look, it should have created a main.go.

A

D

So main.gov or.

B

Sorry, not in main.com an installer, a main function. Sorry a main function.

B

I don't know yeah it's right there at the top. Oh oh.

A

Yeah duh here we go so I would say.

B

Maybe even just comment it out: okay,.

A

um Do you want to comment the whole function.

B

The whole the whole function out.

A

So, let's, uh let's get rid of tag bar real quick and make this smaller. Oh geez, okay, great here.

B

I'm gonna pull this.

A

Out yeah, pull me up, yeah, maybe do that. Then we won't have to duck so much. Hopefully you all can still hear us. Okay, we'll shout okay, so you said main is what I need to comment out and it's just this right. Yeah great okay commented.

B

Cool and then change the pat the package name from main to whatever the name of this directory was okay,.

A

B

The the something auth the.

A

Dashboard auth, okay, so just maybe just.

B

Call it dashboard great or dashboard off it works for me there you go okay, um okay, that should do it. That should do it. Okay, so great quick, yep right, quit, okay and then go so now. Let's pull up the the original tgik um yup, you got it app.go uh command, main.go,.

A

Commandmain.Com, okay,.

B

Cool, so in this one, so now what we're gonna do is we're gonna see this enamel register. So the way namo works is there's. This thing called a register. Okay,.

D

B

Everything that implements a the deployable interface, you just call namal.register and you pass that object that you've created in and then that's how you get that list. Remember we didn't name a list.

A

Totally yeah and you can so you can just call.

B

Register as much as you want, it'll just build a hash map in memory.

A

And then we so we're I'm guessing making another register.

B

You got it okay and then we just vendor in your your new pro.

A

Fantastic, so uh what are we.

B

Calling so it's not going to be tgik.new app, it's going to be the name of the package.

A

Oh right, right, which we call dashboard dash.

B

So I would do no it's okay, so do uh github.com, chrisnova or sorry.

B

A

Animal examples yep.

B

Okay, slash, I guess it's still so I ported this over from the simple like template. So in the name of examples, there's a ton of example, repositories. Okay, this one is just like a fork of that, so we might be changing that word simple later. I.

D

Know it's confusing.

B

But you just trust me here: okay, um so type, simple, okay and then do slash the dashboard.

A

Off the dashboard off you.

B

Got it now, this needs to be our package.

A

Name, though, right.

B

Oh yeah, yeah yeah cause.

A

It goes right so what.

D

Do we call dashboard auth yeah, that's it yeah, okay, cool.

B

um You might have to do a go mod tidy so that it recognizes that let's try it yeah.

A

um I didn't need I wasn't supposed to do this yet so, let's get rid of that yeah.

B

Yeah so well, you can go ahead and code it in and then we'll try to go.

A

B

Tidy and see what happens.

A

Cool, so this will be um dash. Can I call this dba sure whatever you want to college might not be the best uh name, but we'll roll with it sure.

B

Okay, dba cool and then we might have to check the the new function. I think it it should just be cube app for our new app for right now. Okay, my ide will like do all this stuff. For me,.

A

Oh got it so like it's really.

B

Easy for me, because it'll, like autofill all this and everything.

A

D

B

um But that should be that, should if we want to check the other file, we certainly can yeah.

A

We, if we can get the dependency to resolve it, will give us like autocomplete like.

B

This I just need to.

A

I think this is probably what we'll block it from.

B

Okay, so let's try to get that working now, all right so go mountain. You said yep.

A

Okay, um go mod tidy, yep.

B

Dashboard oscillator, okay,.

A

D

B

A

Matching query for latest.

B

Can we go back to just a regular shell.

A

On that so uh now you're in the tgik directory cool.

B

Okay, so do you have emacs.

A

Don't I'm sorry? No! It's! Okay! I know.

B

So if you want to edit the uh go mod.

C

Really, okay can do yeah.

B

uh Change go up in at the very top and just change that to tjik okay, cool.

C

B

And then now let's go back to your program and fix that. So let's just fix that really quick up.

A

B

Yep I'll put the tgik in your import statement, just change the name of examples to tgik and change that to tgik got it yeah and then on line 33.

A

Oh yeah good call um 33 yep there. It is perfect. Okay,.

B

Cool so save that and then let's go back to your shell cool we'll do it down here.

A

B

Do go on tighty, go.

D

A

Come on go mod, come.

B

On help us out here um no matching version four. So let's do a go change directory. So let's actually, let's move the dashboard off to dash. So I think we would have to do import as or something.

A

Oh right, right: okay,.

B

Yeah so now, let's do a go. Mod.

A

They just seem important, yeah, okay, so now.

C

Let's go back to your your them. Okay, see it should.

B

Stop yelling at us now great.

A

C

A

How it refreshes so we'll just do one of these.

C

A

It is still upset.

B

About this one though, well, I got the second one. I.

A

Got the second one, though you're right, yeah,.

B

Oh uh uh wait: no! No! No! No! Just kidding dashboard us github.com enable examples. Tgik, dashboard, auth.

A

B

I name the package.

C

A

Let's just check real quick um dashboard off and it was app.go. I think yeah.

B

No, I called dashboard off yeah, okay,.

C

B

um So try to try to just compile and see what happens.

A

Okay, cool just just just run, uh go oh enamel. You want me to run or.

B

Yes, run, make oh make make compile uh or just make we'll default to compile. So you guys, you can just type got it: okay, cool um on app.go line, 23 semicolon or new line. So let's check out like.

A

Oh we've got an issue in dashboard auth. That might be why that would make sense um line 23. Oh you.

D

A

Put a dash and pack, can you.

B

Put a dash in a hacker james, uh I don't know get rid of it. Okay, I think you have to do an underbar.

D

So, let's just let's.

B

Just call it dashboard auth and we'll go back and do the thing we just did just rename it as you.

A

Wanna, do it like this yeah just like that.

B

And then close that rename the folder and re-import it we'll do this real, quick, too.

A

Yeah um great uh get rid of the underbar. Oh did.

B

You oh wait. No, I you're right. I did yeah. What did I do? Actually, I'm pretty sure you know underbody.

A

No underbarred, you are correct: okay, cool, so we're good on that.

B

um Go mud go mods again, tidy yeah go for it.

D

Come on go mod.

B

B

um And you renamed the folder right. I.

A

Didn't good point: you are you're one step ahead of me. Okay, so we will move this to dashboard off to dashboard off great now, we'll do go on tight. It worked great.

B

Cool okay, so now you see if it'll run, make again just.

A

Just type make way make.

B

Yep there we go dashboard os, so do you get you got to run a um so that's all from the main.

A

Function, do I need to put a go mod inside of dashboard off.

B

No, no, no! So! Okay! What we see here remember there was a main function. We commented out. Yes,.

C

B

If you go font or go.

C

B

It'll fix it got it, so it generated that just we're editing things again. My ide just.

A

Yeah yeah do all this stuff we're stuck in the past right now. Okay, so we're gonna do uh want to go fum to this thingy yep.

C

Is that it or is it the other way.

B

A

We'll find out no.

B

No, don't go up, it's just do gofund and then the name of the and really we want go imports or we could just go in and.

B

Yeah, try that see.

A

It's um just delete those okay yeah we'll. Do it uh the archaic way yep. Should I.

B

Cool we're not we're, not vendoring it and then anything.

A

Else, no, that's good seems good. Okay. That should do it great okay! So we'll go back to here and compile again yep, oh mate: just does it yeah come on make wood.

B

All right sick! So let's take a step back and yes here I.

A

Want to do the thing yeah do your thing: okay,.

C

A

Two, I think, right, I tried it weird: okay,.

B

uh Whatever yeah well here.

A

There we are okay, okay, so let's talk about what.

C

Just happened: okay, great okay, so we created.

B

The new, so we downloaded the new yaml okay and we put that in a new we've built a holy go package from scratch: yep and barnby's eating barbecuing, your trash um and so okay. So then, after that go package, we then imported that into the the traditional tgik app got it yeah.

A

B

This is a really big paradigm shift. Okay,.

A

B

In the past, if you and your team in kubernetes- like let's say you were using helmer customized, if you had multiple charts, okay stitching them together, was like this whole exercise of like how do we reference other packages and do other things totally? So I'm I'm not saying go mod is god's gift to package management sure, but I am saying that, like it's, it's actually better than a lot of the other kubernetes, because.

C

It's stitching.

B

Packages together.

A

C

B

The exercise now would be like imagine if we have packages a b and c okay.

D

B

We wanted to group those together and say that was a group of packages that was like relevant to us.

C

B

We could basically just write enamel wrapper that just imports packages a b and c.

C

B

Then we now would if we did name a list, we would just have all of those registered.

A

Okay, so they got it. The package management.

B

Paradigm is basically like you could just write an app.go.

C

D

B

Your regular github, repo, okay.

D

B

If you want to stitch that, together into like the big like you know, app of app kind of model or.

A

Right, that's right! It's as simple.

B

As just vendoring and go yeah.

A

Yeah with everything so like, if you had like a meta app, let's call it that was like a platform app. If you will that stitched together, a bunch of components, that's like a model that you could use.

B

Right, absolutely, okay got it. That's interesting! That's the idea here, huh okay and then you could so, let's let's say you know we had 30 packages yeah and we grouped all those together in our meta, app yeah. We could release that meta, app version, 1.0, okay,.

C

B

Then you know we each of the sub packages has their own unique version, number yeah, and then we can offer that binary and from that binary we can generate yaml. We can do all the stuff cdks does, which just says. If it's dash dash prod, we can spit out yaml for.

D

This or we can spit.

B

Out yaml for that or we can just take this go code because it's already got install and uninstalled.

D

B

Can wrap that install up in a controller? We can wrap it up in an api. We can kind of do whatever cool, and so like your. Your application is now following a traditional software. Workflow got.

A

B

Offer and then you could sign the binary right totally yeah. So so that's kind of.

A

C

The idea behind it.

A

B

um So anyway, if you do tgik lists, you should see we have two apps now.

A

All right, let's check it out so tgik lists oops. I do need the dot.

B

um Oh, did you compile it? I.

A

Think so, let's just double check. Okay,.

B

Oh, we have to add the name dot register. Oh.

A

Right right, it's actually right here we were looking right at it.

B

A

um So I probably should call this something different.

B

Yeah because it's a hash map.

A

Let's uh we'll put screen share screen here. Oh yeah good point thanks everybody. They didn't even see us screw.

B

A

Well, I know abc got to us first, but yeah, okay, so we're back here everyone um just so you know what happened. I ran um where's my mouse at iran, oh geez, here we are okay, I ran tgik listener only said the dashboard and we think what happened is inside of here. We didn't register it as a unique name as a hashmap but of course overwrite. The key so.

B

It does do a map on the name, so there's a ton of like implementation detail here that, like totally, I just picked something just to kind of like demo it to show that this this works yeah, um but, like I don't know, I would hope that, like somebody somewhere just like cubicorn kind of turned into a lot of the stuff for cluster api, I would hope that there's people who are smarter than I am that can kind of like debate about you know. Do we use a hashmap?

B

Do we hash the object like what's the best way, to use computer science primitives to do this junk? But for now it's like you know, just give it a name right like let's make it easy and do the pse and that's that's kind of where I'm.

A

At okay, how does that extremely descriptive name? Look to you.

B

Send it all right say to josh: let's do it, okay,.

A

D

What do you mean it's changed while I was reading.

B

A

Oh geez, okay, let's just try it again.

B

A

Cool gik list there you.

B

Go there we go.

C

We got it sweet.

B

Okay, um so yeah, so then.

C

If you wanted to bump.

B

The sub version of your new roll thingies that you did.

A

B

A constant in the top of that go file.

A

B

The the app.go.

A

Oh right, right now created from namel codify, got it okay cool, so this would be inside of the dashboard, folder, dashboard and app.go, and it's a constant up here right.

A

C

A sticker, yeah, um okay, so this okay, great.

A

So in theory, if we bump that did another patch release yep, we would uh make compile again yep and or make right tgik.

B

List- and I don't know how much time we have.

A

But there's more to this as well: okay,.

C

Cool yeah, so cool.

D

B

Then we can, uh let's tgik yep, um we can install and then you just type, you know, cube dashboard roles, thingies, okay and it already exists.

C

D

B

You know, then, we can come in and we can uninstall and remember. We installed it originally from the yaml totally.

A

Exactly I actually.

B

I have a unit test in place where it's deterministic, okay,.

A

B

You create the go code from the yaml uh-huh. You can just cycle yeah, we'll go yeah, we'll go yeah we'll go.

D

B

Just it's deterministic in nature. Each way yeah so you'll always just create the same sweet. The same way that the same code so and it uses this tool called uh ballast, which is like a recursive uh ast for go.

D

B

Actually dig in and find all of the packages and the imports and everything for.

A

You, okay, cool.

B

Yeah, so so anyway, so now so we can install it, we can uninstall, it yeah created a new app okay. So this is cool. Okay,.

C

A

B

We, let's put on our go engineer, hats yep. We have an application that we're developing okay and we want to offer some patches to this because you're going to when we get done you're actually going to open up a pr. Okay,.

A

B

The to the repo here cool um I'm going to play the role of a maintainer here: okay, josh, you don't have unit tests for your application.

A

And you're like of course, because I wouldn't do that, while I'm writing the code right.

B

You know, obviously, and so like, but like either way like here's. The thing, though, is it's like I come from an enterprise kubernetes shop.

C

B

Our applications are, that is the core total of why we get paid every week right.

C

B

What we do fair and so the thought of deploying production, core entities with like we hope this yaml works.

D

Yeah and it's gonna go.

B

Live right away, yeah like it's hard for us.

A

We would never do that. We.

B

Would never yeah never never would do that. No, so this is this is where I think duffy is really gonna get excited, because we use duffy's favorite uh open source tool here. So naml not only does all the code generation for you, it gives you a framework for for writing. Unit tests in kind cool.

A

B

Can actually in about five minutes, we can write a unit test that will deploy both of the apps we just created to a kind cluster, ensure that they deploy and then pass or fail the unit test. It will actually.

C

B

This in kubernetes, okay, so go there's an app under bar test. Dot, go okay,.

A

um In this folder.

B

Yeah see it's right, there app test.

A

Oh, go: got it: okay, cool great.

B

Yeah, okay, so if you scroll down there's I don't. I think I deleted everything. Oh, we have test app, okay, good. So if you look so look at line 49, we already know we're basically going to be writing a unit test and we could call it.

A

B

Test dashboard or we could call it test tgik or whatever.

C

B

And if you look it's a real go test. You passing testing.

B

It'll, you know check your environmental variables, it'll check cubeconfig, it does all the regular stuff. Cubectel does.

A

Okay got it so it builds.

B

A cube client based on your local path.

C

B

And um and then we path pass in enamel test cluster, keep config path; okay, so that should actually spin up a test. Cluster.

A

B

Test main on line 36 up here: okay,.

A

So test cluster start is where you're kicking off kind. You got.

B

It so all of this boilerplate is auto-generated for you. Sweet.

A

Okay, love it if.

B

You have the kind do you have kind.

A

I believe I do, but I do need to start um my doctor damon real, quick, okay, so.

B

A

System ctl status, docker uh yeah, you are definitely not on. Let's start you up.

B

A

Yeah docker here we go cool, okay and um I think I have kind yeah.

B

Okay, great, let's do it! That's all! You should do all right great. So let's get out of this. So let's go back here so scroll down to so do you do you know how test main works.

A

B

Okay, can I just can I bring in, I know, we're almost out.

A

No, we're fine go go for it. Yeah.

B

Everybody should be using test me. Okay, test main is the best coolest part of goat testing. That.

A

Nobody ever uses yeah. I never use it. No.

B

So what what you do is you test rain? The magic is, it will be executed before the rest of your unit tests.

A

B

And so, if you look in test main there is this mdot run? Okay, that is what would be executed by default. If you don't have a test mean, so you definitely don't have to declare a test main and the behavior that you see with go is basically default test main and then m.run.

D

B

Gives us an opportunity to actually build logic to set up our tests uh across the board? Yeah.

A

B

Like I'd love, to do this pattern, where I'll use test main to spin up a kubernetes cluster, totally.

A

This is how the cubicle.

B

E2E test used to work.

A

B

A keep according cluster using test main yeah yeah, and then we just after it you know it'll exit. If we can't spin up a cluster.

C

B

It'll call m.run and then it'll destroy a cluster at the.

C

B

So then, after it kind of executes all everything down to line 42, then we go to line 49 and it'll start to iterate over all the.

A

Unit tests, yeah yeah, I mean a lot of heavier weight. Testing frameworks have like the pre-test esque things.

D

A

This and apparently this could just do it by itself: yep, that's cool! It's.

B

Cool okay today I learned great yep, okay, so uh going to test app and then so here we basically get a cube, client.

A

That's auto generated.

B

For you and it's a regular old kubernetes client.

A

B

Then we can call online 54 sweet that calls new app remember in the the name of registry.

A

B

Totally cr we're just repeating that same behavior again.

A

Got it so if you.

B

Want to do it was uh the tgik.new app which.

C

B

That's what we're creating on line 54, because we're in the tgik package got.

C

B

And then and then we basically say app.install, there's.

C

B

Dot install method from the deployable internet, interface, yeah, and um so anyway, you can probably just do a make test here and let's.

A

See if it goes yeah it should just go and I'll uh see if she goes just so we can just so. We can watch uh our little docker friend here too I'll open up another um another buffer cool. So we'll watch docker, ps, sweet.

A

um Let's get rid of this running one because who knows in fact you know here's what we're gonna do because uh josh doesn't do this as much as he should: um docker kill, docker, ps, q and and docker system prune. Did you want q or a volumes uh q? Oh apparently I wanted a really bad um q. Okay, great uh sudo maybe requires one argument: docker psq.

A

D

It's q because a would be all right: yeah, yeah.

B

A

D

Forget it docker ps. Oh, it's already killed.

B

Okay, whatever.

A

A

um Prune there we go carlos.

B

Says: what's default, the default namespace to the first preamn new, app yeah, oh, and that reminds me carlos we're gonna we're gonna want to talk about the new stuff in general. I I feel like I'm taking up too much tgik.

A

I mean we can go as long as you have time. For christmas, I mean I'm dying, whatever's whatever's, clutter. Okay, you wanted me to run make tests right.

B

Make tests okay here we go, you might have to do pseudo depending what the permissions are on your document.

A

I am part of the docker group. Thank you so much, I'm such a great system administrator. I know thank you. Let's give it up to josh everybody.

B

Thank you all. Yes, yes,.

A

I follow the documentation. I really appreciate it. Okay,.

B

Good job, I I'm not for what it's worth.

A

Yeah there you go all right, while it's spinning up I'm gonna grab another drink. Do.

B

You need more water or anything yeah yeah. You want to grab me something grab your water yeah, make sure he's not like eating our clowns.

B

uh What time is it is 3 15 here in in boulder colorado.

B

So this make test it usually takes. I don't know a minute or two for like the first time, you do it there. It goes and you can see down on the bottom there, it's spinning up kind. It's probably going to download the kind images which take a minute. um Carlos carlos says, give me a beer josh.

B

Okay, so why josh is getting beers for everyone? We were climbing in the canyon earlier you guys, I totally dropped josh, not.

C

To the ground, not to the ground, no just to the ledge like 60 feet up in the air.

B

Oh, we need it.

A

All right, okay, chris yeah, it did something.

B

There you go, no, you did. We passed our test.

A

That was it, that was, it wait, does anything show up here.

B

A

It already did.

B

Oh remember: it tore down your cluster right.

A

Run make sense. Okay, this is so cool yeah.

B

A

B

Oh so it's cached it's because it hasn't.

A

Changed so should I just modify something in there yeah you can modify it or we.

B

Can actually add a second unit test for the the new app we created.

A

Oh perfect: let's do that. Yeah sounds good, so we'll go to app test again. um Yeah.

B

And then I'd say if you can just copy you.

A

Want test app copied, yeah copy that and.

B

Call it test thingy or something: okay,.

A

A

Test app is now called test. Thingy perfect.

B

A

B

Cool and then uh we just all have to do is edit. Our new remember.

A

Oh right, we have new yeah. um Now what do for new app? What do I need to do.

B

This will be, this will be uh kubernetes, auth, dot, new app.

A

Remember it's a different package: kubernetes dashboard dot, new app.

B

Right dashboard, dashboard off that's right: okay, yeah.

A

Dashboard off and I probably need to import it.

B

A

Dashboard auth dot, new, app, okay um and then we'll just do some quick trickery here. You.

B

A

Sweet okay, now import dashboard off.

B

um Yep and then we also have to make one more little change down there. Okay, great.

A

I'm just going to go here real, quick and grab my uh import statement from yeah. Where did it wait? Oh, it was cmd main dot. Go.

B

So the whole reason for that was the idea that all your apps should be like. You know, dashboard.go.

A

B

On your bartest.go, you know ingress.gov, like start.

A

To build your apps and go systems totally all right, so we'll make this dba. Oh it worked great um now. Why is it saying undeclared name, app.

B

Oh because up where's your new test, dba.new app app equals. Oh.

C

B

Great there you go okay and test.

C

B

C

And so so anyway, real quick, new, app.

B

Default and sample app. These are the the parameters you pass in. So oh right, right, okay, so the whole paradigm here is: when you do new app right, it can be new. My thing new josh's thing call it whatever you want and if you want to follow like the new like the idiomatic way of using go new should just be like not new, totally.

A

B

This is where you would pass in your your values.yaml stuff got it.

D

B

Want to pass in a container image or a replica account yeah or an uh user, or you want to pass in a name.

C

B

It'll say pass in the name and I think a namespace and.

A

A description it looks like maybe.

B

Yeah, okay, and so so anyway, like we can call these whatever we want.

A

B

It's just for um yeah, and this goes back to like carlos, was saying in the chat. This goes back to dash dash name.

A

Got it okay, yep got it so so anyway,.

B

Like that's, how all that kind of maps together but like the hope, would be that whoever's building an app is willing to put in a little bit of extra elbow grease. To like, say we're gonna be cautious about what we expose up in our application.

A

Got it okay, and so that.

B

Way, we're really really confident that people are only passing in the fields and values we want them to make sense. Yeah, yeah,.

D

B

Cool, so so, anyway, the idea is once you get done. A user should be pretty naive to new app right.

C

B

You know you get three or four config values and that's kind of it totally.

A

And then you can.

B

Do whatever you want to with it? Okay, um so anyway, so this should this should work, so we should be able to do make test it'll spin up a time. Cluster it'll run two unit tests and both of our uh kubernetes app.goes that we created one for the dashboard and one for the. The off yeah should get deployed to queue. Okay and then should pass the test, and then what we can do is we'll go ahead and run it yeah.

C

B

While you're running it, what we can do to to sort of demonstrate this we're gonna change the name in one of them in a second and we're.

C

B

It an invalid cube, name, cool and we'll watch the kubernetes, like you know, we've all seen you know cubicle and valencia. It'll get the same thing, got it. Okay,.

A

Yep and there goes kind sweet yeah. I love that it just natively spins up kind like that.

B

Isn't that cool? It's also, I mean.

A

That whole make test paradigm where it's like all of my test. Apps will get to use that same cluster right yeah, because it's being set up on top that's sweet, yeah.

D

C

A

Carlos says uh I'm paying attention where's that beer, yours carlos, is in the mail mine's right here.

B

A

So uh maybe in a couple days, um field testing, ooh.

B

What did it fail? On service accounts? Admin user not found?

B

Oh uh I'm unable to install a sample, app admin users forbidden to create a new content. So we actually got a problem with cube here, which is cool because.

A

This is yeah. This is a great this way you want to catch yeah, exactly um so admin user, maybe isn't a service account in kind or.

B

D

A

Wait no end user is what I'm making right right.

B

So it is a default client kind. Cluster.

D

B

I mean I duffy.

A

Duffy, do you remember what the default stuff is in kind.

B

A

Oh wait unable to create new content in namespace, because.

B

It's being terminated.

A

B

A

Was the other one uninstalling perhaps, and it was like, the reconciliation still happening.

B

Probably yeah yeah, I.

A

Bet, that's what's happening so.

B

Yeah go back to your your unit tests yep, and you can just comment out the in both of them coming out the uninstall.

A

Yep makes sense to me, and so we'll take out uh this here and then we'll take out this here. Yeah.

B

A

B

Cluster gets nuked every.

A

A

All right dog's barking again might be another garbage truck, we'll know soon. Oh this time it's a ups truck yeah.

B

He's so cute, you wouldn't think that this little monster can make.

A

All this noise protect you from the ups.

D

A

C

B

Okay, um so yeah that, should that should do it.

C

Yeah run it again.

B

A

It worked chris yeah great.

B

A

Do you want to do that like screwed up name thing, yeah,.

B

Let's script, the name great.

A

A

Inside I guess it doesn't matter what.

B

Yeah, just change default to like add some periods.

A

What's a weird character periods periods, question.

B

Marks something any of the punctuation stuff some spaces throw some spaces in there.

A

Great there you go seems legit yeah, that's.

C

That that'll definitely fail perfect.

A

B

And make test here.

A

B

And so, if we spin up in kind, yes, we could bacon, expose the service. Okay, we could from go. We know that the service endpoint is localhost yep yeah. um We know the service. Endpoint is localhost. Okay,.

A

We can expose.

B

A

B

Could actually use http.get and actually unit test.

C

Testing calls that's cool.

B

And you could make all of.

D

A

Let's see chris, I think the for some reason it passed for us weird.

B

Let's see test test thingy, maybe that name is not getting passed through. Let's go to that might just be the name of like the enamel name, not the.

D

C

Name for each of the objects you might have to actually.

B

Go into the library for your auth, which this this is actually a good segue, because this actually will give us a shot to show a little bit of what I usually call plumbing.

A

Got it okay, so we'll go to app.? Oh wait! Sorry wrong!.

B

A

Dashboard, I don't know why I did dot dot.

B

A

Slash slash and then app.go great. Let's get rid of this one.

B

So like, let's, let's so, if you look at the new app here.

D

Somewhere in the.

B

Yep so like name and string, yep.

A

Okay, so you see.

D

B

This big, like add your config here yep. So if you wanted to expose like you know any field you wanted to and plug that through to your app, you totally could okay. So in this case we're gonna. Actually you pass in name and we're gonna plumb that, through to the rest of our because remember, this was auto-generated yeah.

C

B

There is gonna, be some like you actually have to connect the dots at some point. Okay, so.

A

New name or name is called: let's get the reference of it. Real, quick.

C

A

um Enamel dot register.

B

So right so in our test, it's just default so.

A

Now we just got.

B

To go into each of our objects that we've created literally and go, and instead of using, you know, see how it says: name as admin users, yeah, here's 191, yeah, we'll just plumb through the variable that comes through the main object, which I can show you how to do. That.

A

Okay, cool so yeah great.

B

So like we created a new service, account yep um typed made a kind and then object made a name. Okay, so just go in and replace admin user. Okay with um it's so a for app dot, name, a.

A

B

A

Name there, it is okay, yeah great.

B

And then, if you want to do that again, you see there should be there's a service account and it doesn't actually look like it. No, that's it. It's just a service account or no cluster role, buying line 104.

A

Oh right, right.

B

So here we should have admin user.

A

Dude, a dot name again, yep.

B

Cool does that make sense what we're doing.

A

Yeah totally totally cool.

B

Yeah and then you could do it down in the roll ref too. I mean just because we're trying to intentionally screw stuff up totally yeah.

A

Okay, great cool, um I think it's just a warning. Yeah we're good yep.

B

And if you want to talk about this line, 121 okay, so we have unexported objects.

A

B

So see this admin user cluster role, binding.

A

B

The actual auto-generated name for this object.

A

B

If remember, we were able to list the objects earlier.

A

Exactly that's! That's.

B

What's loading them.

D

B

What's cool, is you can actually pass in nil for a cube client to each of the to install and uninstall.

C

A

C

Pass in nil, it doesn't.

B

Actually, it's like a no it's a no op, but it'll still run the logic that you've built.

A

B

So and then you can get all the generated objects out of memory, so you can call install with nil with whatever new options you want and it'll crunch. Whatever logic you have got.

A

It and then spit.

B

Out all of your objects at the end, that is a reflection of that that go.

A

Okay, cool all right: should we uh pump in that bad name again and see if it breaks it, yeah should be able to run it. So we'll do make test.

B

So there's a lot here and.

C

A

This is a reflection.

B

Of stuff that I like when I started to actually look at what I wanted to do with apps in cube, this is what I wanted totally.

C

I was like, I want a unit test.

B

I want to be able to know if it breaks. I want to run it actually in cube and trust that it's going to work.

A

Yeah yeah, I want to version.

B

Them yeah, I want it to be good and I don't want to have to be like manually, hunting and pecking and like trying to map this text, template yaml config to this thing and like drilling into directories and like having to connect all these dots in my brain yeah.

D

B

Like we have computers, let's use computers to make it easier easy for me. um Did we do we passed.

C

Again, I don't know why yeah.

B

um So where did you.

A

Check the test code again or yeah.

B

We can check the test code again. I think.

A

I put the funky uh the.

B

Funky name there.

A

Oh, you know what we're doing it in test out. We need.

B

To do it down here.

A

Got you yeah? That's why one more time we.

C

Got this we will make it fail.

A

I promise well maybe not promise but okay cool there. We go import and not used dashboard.

B

Because you're not calling the dashboard off anymore, you copied the whole new application, so just change uh line testing. You just change that to dashboard off the new app.

A

uh Dba right, yep there you go that should do it great make test cool. This should break yeah. This will hopefully break so chris. If I was an app developer and I like had a repository that my app source code was in yes,.

B

A

Potentially hook all this enamel stuff up into the same repo as my app source code, or would you say, it'd, be better to have like a separate repo with like this package coded you.

B

See what I'm saying like I mean I don't know like like whatever makes sense for you and your team.

C

B

I I'm a big fan of the the app should be the app and the installer and the logic like the whole point of this was we noticed we were building more and more logic into our apps right. It starts out very innocent with, like, let's flip, a bit for tls yeah.

C

B

Like if you give a moose a muffin and then next thing, you know we have four loops and ranges.

C

B

And if this and then like you know, ways to override container image names and then before you know, it actually gets really complex.

A

Yeah totally and.

B

That complexity makes it really hard for us to iterate on apps. um So I would say that if you start to think of this app.go as your install system yeah, that's part of your project's responsibility, that's in scope for you, your your project, totally.

A

B

I would say that I would and what I plan on doing with it, if I ever use it in pro prod, every project manages their own app.gov.

D

B

And then, if we want to make that into like a holistic apple apps later, we just referenced that and just called nable.register totally.

D

A

Yeah anyway, we.

B

Failed, it failed.

A

And exactly how we expected, so, this would be like amazing feedback to getting a unit test.

B

A

B

So yeah, and so that that's coming from the kubernetes api yeah, that's a real cube error that you might see in prague that you're going to see in your builds and you're able to get that right here locally as well totally. So the only other thing we could do is if we wanted to try to like expose it and then actually send a curl to make sure the dashboard is working yeah. um We don't have to do that today, especially because obviously we're both naive to proxy.

A

Sure yeah, but that.

C

Like the idea would be that you know you could.

B

Do start to bake in stuff like that as well.

A

B

And actually make sure your app.

D

Not only is installing.

B

In kubernetes yeah.

D

B

Actually doing what you want it to do, right, checking health checks, checking to make sure your servers are responding, making sure like load balancers, are getting set up. Yada yada.

D

B

Yeah yeah, so that's it and um yeah sweet. This is my. This is my silly weekend project now, I'm finally on the big screen at tgake.

A

Yeah, so what do you think chat, interesting, stuff, huh um very cool? uh Is there anything that you want to say chris, like getting involved? Have people open issues the typical open source model, I guess or.

B

I mean yeah, it's open source if you're thinking about doing this, like maybe give me a call or like consider pulling me first like there's people who do this professionally, who are happy to talk to you and listen to your problems. I probably don't have very much time to listen to your problems and, frankly, don't really care um so like just.

A

Being honest, I'm just I'm being honest.

B

um So, like you know, like I don't know this, was this gonna go somewhere or turn into something? Maybe it's I. I have no interest in becoming an app maintain app of apps maintainer sure so like use it. If you want I'll, keep the unit test working. If you open up a pr and um if, if you know you want to start writing unit tests for the project itself, I'll make sure that the releases pass the unit test.

B

So there's like some ability of normalcy here but yeah, we'll see we'll see how it goes, maybe maybe work or somebody will convince me to like donate this somewhere or turn it into like a thing or maybe I can hand it over to folks who actually care to maintain it.

D

B

But I would say: that's it. The only other thing I want to show you real quick. If we got two seconds.

A

We have time, go for it, um let's jump.

B

Back into terminal so.

A

B

A

B

Cool, so we have. We have our tgik here yep, so this I added this just for today.

A

Okay, great cool, okay, so up until.

B

This point we deployed an app yep that we got from yaml. Okay, we haven't edited a single yaml file, yep no text templating. Okay, we piped that into go. We built two go systems totally plumbed both of those through the same enamel boilerplate code, we're able to list both of them and install both and write unit tests for both cool. We haven't outputted our uml, yet.

A

B

Good point yeah, so so, if you wanted to be- and this is where, like that question earlier from cdks yep, this.

C

B

The functionality that cdks would get you, okay, we've got our we've got our applications codified their path. Our unit tests are passing whatever yeah.

D

B

We want to actually now like give somebody a yaml file. This is basically what what you would do and if you look it just spits out regular old kubernetes whatever, and you can actually pass in um whatever name of the the app you wanted to do so you could do uh tgik. You know this. The name of the second app dash o yaml or ojson and it'll spit out your your app that you got it got.

A

B

I think the idea here would be like if you were doing something like a cube distribution, or you know, setting a a set of packages that you wanted to release.

B

You would basically offer one of these binaries or an api server or all of the above, where people could send in whatever parameters you wanted them to, and then it would output yaml, and that would be their starting point. So.

A

Like the same reason,.

B

That, like, if you were to like apt to get install redis totally, we don't have to get edit redis right right.

B

We installed the default redis and that stuff it gives us a solid repeatable starting point totally, and then we use a different tool to go and like do the second step so anyway, that was kind of my idea with the oh yaml is like chances are the very first thing a team's going to do is they're going to do tgik, o yaml and get the yaml for their app and then, like you know, if somebody wants to go and text template that they certainly can yeah.

B

I wouldn't say it's a great idea, but, like the whole point of yaml, is to be extensible so like we could put your enamel on your enamel right. We could take this.

C

B

Go build our you know, internal fork of the the generic app or whatever makes.

A

B

Anyway, that's that's the I'm not sure if I want to keep this feature or not, but I think I do just because I feel like people are yeah. You know one of the things somebody on the t my teammate twilio said to me. He was like. I know you. I know this is good, but like no matter how much you want we're, never going to get away from totally.

A

From yaml, I think people are going to want to see that rendered output, even if it's just for the sake of seeing the rendered output.

B

Yeah exactly for sure yeah yeah, so anyway, you can get it now and anything we wanted to go or passing through our new function. We could. We could get here as well. Sweet.

A

B

A

I think that wraps it.

B

A

For today, um if you haven't already check out uh github.com chris nova, slash enamel, give it a shot, and thanks for hanging out with us, it was really fun.

B

Yeah thanks, everyone later.

A

C

C