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**Ivan Porto Carrero:** And you probably already have solutions in place, right? Most of these companies probably already have a library like Go Get in their infrastructure, that allows you to encapsulate all of those calling patterns - call all the services at once, drop all the requests when I have the first response... |
\[24:05\] So it's gonna be interesting to see it play out; I'm gonna be a spectator in this one... \[laughter\] This whole Go Swagger thing keeps you apparently busy, so in between my work... |
**Erik St. Martin:** Is that what you work on most of the time? |
**Ivan Porto Carrero:** Actually, I used to work on it most of the time. I wrote it originally just to prove a point, but then it became fairly useful, and VMware started adopting it as well, so now I have somebody else working on it who is still fixing bugs; I've got corporate sponsorship finally, and I am personally ... |
**Erik St. Martin:** Oh yeah, definitely. |
**Ivan Porto Carrero:** Or [Cassandra](https://en.wikipedia.org/wiki/Apache_Cassandra), for example... All of these systems -- [Akka](https://en.wikipedia.org/wiki/Akka_(toolkit)0) is another one from the JVM. All these systems are Gossip-based membership systems, and they exhibit very interesting failure behavior. Whe... |
**Brian Ketelsen:** That's funny, because I was creeping up on [your GitHub account](https://github.com/casualjim) today and I found that [go-rapid](https://github.com/casualjim/go-rapid) repository, and it looks like that's what you're doing there - decentralized computing. |
**Ivan Porto Carrero:** Yeah, that's exactly it. We submitted the papers to ACM SIGCOMM earlier this year. It got rejected because we forgot to compare against Zookeeper. Obviously, we were all like "Who uses [Zookeeper](https://en.wikipedia.org/wiki/Apache_ZooKeeper) these days?", but... |
**Erik St. Martin:** Anybody with a [Kafka](https://en.wikipedia.org/wiki/Apache_Kafka0) cluster... |
**Brian Ketelsen:** Yeah, it depends on what circle... |
**Erik St. Martin:** Does Cassandra still require a Zookeeper cluster? |
**Ivan Porto Carrero:** No, Cassandra has their own Gossip protocol. Kafka does Zookeeper, then [Mesos](https://en.wikipedia.org/wiki/Apache_Mesos) I believe uses Zookeeper as well... There are a few people who choose Zookeeper. I think they go by -- it works really well, but I would say for some definition of "well" t... |
So now we've submitted the paper again; once it's accepted, I can publish it because it's a double-blind paper, so I can't just publish it before it gets accepted by some conference. |
**Brian Ketelsen:** So tell us how PKS works. PKS is an implementation of Kubernetes for distribution on VMware... So does it provision Kubernetes on VMware systems? |
**Ivan Porto Carrero:** \[28:08\] Yes, but it does more than that. It is a joint effort between Pivotal and VMware, and to some extent also Google, for the Cloud Foundry stuff on Google. Now, this doesn't mean that PKS requires Cloud Foundry. It can be used next to it, and it can be used standalone. What I work on - at... |
It uses [[BOSH](https://bosh.io/docs/), so that's the one component that's required, the BOSH piece. If you're not familiar with it, BOSH is a lifecycle manager for applications. It's something that will monitor your infrastructure. If something goes wrong, it's going to take immediate action. If one of the nodes becom... |
Earlier, somebody mentioned that operating these things is annoying; this is exactly the type of intelligence we're trying to encapsulate in that project. It takes away the operations headaches of it. It will also do zero downtime upgrades, and so on, over time. I think that's in a nutshell what PKS is. |
Other than that, we make sure that it can leverage just all of this stuff that VMware already has, like a login site for log aggregation, and wavefront for metric segregation, and so forth. I'm employed by VMware after all... |
**Brian Ketelsen:** Well, that makes sense. On the networking side - does it use VMware's networks for Kubernetes overlays? |
**Ivan Porto Carrero:** Yes, it does... [NSX-T](https://docs.vmware.com/en/VMware-NSX-T/index.html). It includes NSX-T, which is VMware's overlay network; it's the second generation of it. What this does over any of the other solutions that are out there - because most people will typically go with [flannel](https://gi... |
There is more stuff to it, because NSX-T is quite an extensive piece of work. So it's pretty optimized in how it deals with sending traffic and doing the routing rules and so on, but those are implementation details of NSX-T itself. What is unique I think is that it has a centralized management plan for all types of co... |
**Brian Ketelsen:** \[32:10\] Now, if I remember right, there's a lot of components that have been built by either Pivotal or VMware, that kind of contribute to this system. I know there was something called Kubo - that's related to this, right? |
**Ivan Porto Carrero:** Yeah, [Kubo](https://pivotal.io/partners/kubo) is the Kubernetes on BOSH. That is the piece that interacts with BOSH, and BOSH works through a system called _Releases_. _Releases_ is some archive that has some metadata in addition to having potentially all of the source code to rebuild that part... |
Kubo is open source, and everybody can use it. It's not very involved but it does require some work to get that set up in your environment, and then PKS is the piece that will make it easy to set that up in your environment, with a UI and all of the management tools that you would expect for an enterprise environment..... |
**Brian Ketelsen:** Nice! |
**Ivan Porto Carrero:** So far it's been working fairly well. We hope to release this by December... Somewhere in December - I'll put it that way; I can't say exactly when, because it's a natural process, so it's more like around this time something will get released. |
**Erik St. Martin:** Awesome. So I think we are probably two-thirds(ish) away through this show. Do you guys wanna jump into some projects and news? Ivan, feel free to jump in too and mention stuff or comment on things that we bring up. |
**Ivan Porto Carrero:** Okay. |
**Erik St. Martin:** So who wants to kick this off with stuff they've kind of ran into this week. |
**Brian Ketelsen:** I'll start it off. I think that there's an exciting new project called [Faktory](https://github.com/contribsys/faktory) from [Mike Perham](https://github.com/mperham), who is probably most popular for the [Sidekiq](https://github.com/mperham/sidekiq) project that most Rails apps use for background t... |
It looks pretty slick, and it feels like maybe it's the thing that happened after you learned from building Sidekiq. I'm excited to play with Faktory, and I'm more excited because Mike has done a really good job of something that most open source companies can't do, which is make a living off of a single open source pr... |
**Carlisia Thompson:** It's going to be interesting to watch if he's going to change what's behind his service from Ruby to Go. This is great, by the way... Great finds. I've used Sidekiq a lot in the past. |
**Erik St. Martin:** Yeah, I used the same thing back in my Ruby days... I used Sidekiq a lot. |
**Carlisia Thompson:** And you can do your own code for this, but it has this dashboard, and it's so easy to use. |
**Erik St. Martin:** \[35:54\] Last episode we told everybody to update to Go 1.9.1 and Go 1.8.4 (I think it was). So there is a minor patch release, 1.9.2 and 1.8.5, which has just some basic updates to the compiler and runtime and stuff. But if you are noticing issues with go get on non-Git repositories, those will f... |
Other updates - GoBot released [1.7.0](https://github.com/hybridgroup/gobot/releases/tag/v1.7.0)... |
**Brian Ketelsen:** Yay! |
**Erik St. Martin:** Yeah, which has OpenCV 3 support in it, so now we can do all kinds of vision stuff with our hardware projects. And they've introduced -- I'm trying to remember the names of them, but from the GopherCon Hack Day, a couple people implemented support for some other drones and robots and stuff. |
**Brian Ketelsen:** Nice. Yeah, [Ron](https://twitter.com/deadprogram) is a machine. |
**Carlisia Thompson:** Did you know that Ron is going to [GopherCon Brazil](https://2017.gopherconbr.org/)? |
**Erik St. Martin:** Oh, really? |
**Carlisia Thompson:** Yeah. |
**Brian Ketelsen:** That's awesome! |
**Erik St. Martin:** Yeah, that's awesome. |
**Carlisia Thompson:** I'm pretty sure he is. Yeah, he's scheduled to speak about GoBot and IoT. |
**Erik St. Martin:** I love Ron. He's just so passionate and full of energy... |
**Carlisia Thompson:** yeah. |
**Brian Ketelsen:** Just an amazing guy. |
**Carlisia Thompson:** Yeah, I'm definitely gonna find a way to have dinner with him when we are there. |
**Brian Ketelsen:** Nice. So I came across another interesting project called Authaus, and this is at [github.com/IMQS/authaus](https://github.com/IMQS/authaus). I haven't played with it yet, but it looks like it might be the beginning or maybe the evolution of something that could be a really solid user authentication... |
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