Vert.x clustering on Docker, CoreOS and ETCD
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This talk was held at the Vert.x Meetup Amsterdam on 30-07-2014. The subject is on how to get a Vert.X cluster running in Docker containers running on CoreOS without any manual configuration.
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Vert.x clustering on Docker, CoreOS and ETCD
- 1. Tim Nolet tim@magnetic.io Vert.X ย clustering ย on ย Docker, ย CoreOS ย and ย ETCD =+{ }+
- 2. So ย whatโs ย magne;c.io? - Next-gen e-commerce platform aimed at the enterprise market - Integrate Continuous Delivery from the ground up - Cocktail of PaaS, containers and micro services
- 3. CoreOS - Just a Linux Distro - Run apps in containers - On the fly updating - Fast boot times - Systemd images: coreos.com
- 4. ETCD - Distributed key/value store - Like a directory tree - JSON/REST API - Uses a Discovery URL images: coreos.com
- 5. Docker - REALLY portableโฆ - Images/containers - JSON/REST API - Emits events! <= important! images: docker.io
- 6. Pre-ยญโalpha ย stack AWS / On premises CoreOS ETCD Docker CoreOSCoreOS DockerDocker DockerDockerDocker DockerDockerDocker Hazelcast DockerDockerVert.x DockerDockerVert.x DockerDockerVert.x
- 7. AWS / Vagrant / Bare Metal CoreOS Box Docker JVM / Vert.x priv. IP pub. IP pub. IPpriv. IP priv. IP pub. IP bootstrapping ย the ย event ย bus: ย Russian ย dolls
- 8. Vamp - vamp bootstrap - vamp controller - vamp agent - vamp metrics - vamp docker - vamp discovery - vamp templates - vamp dashboard - etc. etc. etcโฆ
- 9. Vamp_agent (Vert.x module) cluster_boot.sh vamp_bootstrap run configure! 1 2 5 3 4 Boot ETCD get/set pub. IP SYSTEMD pub. IP vamp_bootstrap.java download! 6 expose pub. IPโs to other Vert.x instances
- 10. some ย codeโฆ
- 11. hey ย prestoโฆ ! โโโ ย โโโ โโโโโโ โโโโ ย โโโโโโโโโโโ ย โโโ ย โโโโโโโโโโโโโโโโ โโโโโโโโโโโโโย โโโ ย โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโย โโโโ โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ ย ย โโโโโโโ โโโย โโโโโโ โโโ โโโโโโ ย ย ย ย โโโโโย โโโย โโโโโโ ย ย โโโโโโ ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย version 1.1 ย ย ย ย ย ย ย ย ย ย ย ย by magnetic.io ! ==> Starting cluster bootstrap... ==> info: Hazelcast port => 5701 ==> info: Vertx Eventbus port => 5702 ==> info: ETCD host => 10.0.42.1 ==> info: ETCD port => 4001 ==> info: ETCD base path => /vamp/bootstrap ==> info: Public IP => 172.17.8.103 ==> info: Physical hostname => core-03 ==> info: Container hostname => f9dc53532ff4 ==> info: Vertx module to run => vamp-agent-0.1.0 ==> info: Connecting to ETCD ==> info: Connected to ETCD at 10.0.42.1:4001 ==> info: Vamp Bootstrap will try to cluster with started remote host 172.17.8.101 ==> info: Starting Vamp Bootstrap with module vamp-agent-0.1.0 ==> info: Waiting for Vamp Bootstrap to come online... ==> info: Vamp Bootstrap was started with PID 24 and public IP 172.17.8.103
- 12. coreos Letโs ย boot ย a ย cluster ย on ย AWS! vamp_loadbalancer vamp_agent coreos vamp_agentvamp_agent coreos vamp_agentvamp_agent coreos vamp_agent autoscale REST coreos vamp_ controller three AV zones traffic
- 13. and ย while ย thatโs ย runningโฆ
- 14. โฆthe ย good ย parts - Vert.x with Docker/CoreOS/ETCD is cool because: - Size: in MBโs and in complexity - Event bus makes distribution easy - polyglot works nice with the idea of micro services
- 15. โฆthe ย bad ย parts - Once it becomes complex, boilerplate rises - โActor-likeโ maybe to coarse and without the build in โreactiveโ stuff which Akka has - Not enough control / insight over the event bus as a system