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Last pushed: 3 months ago
Short Description
StackStorm buildpack
Full Description

StackStorm Docker Containers


Note: For official StackStorm Docker repo, go https://github.com/StackStorm/st2-docker.<br>
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This repository contains unofficial Dockerfiles for StackStorm, used by StackStorm team for CI and some other specific needs. Repository also provides basic skeleton, best effort helping you to Build & Use own StackStorm images. For a specific Dockerfile you can browse directly to a container sub directory. For official StackStorm docker image for evaluation and light production, get StackStorm image on DockerHub

About StackStorm

StackStorm is a powerful automation tool that wires together all of your apps, services and workflows. It’s extendable, flexible, and built with love for DevOps and ChatOps. It consists of bunch of components which bring Event-driven automation to you!

Here you can find Dockerfiles for st2api, st2actionrunner, st2notifier etc and all the components which StackStorm consists of.

stackstorm container

Stackstorm container (Dockerfile) is the base for all of the st2 components. The full StackStorm stack is available inside the container. Notably that component containers such as st2api, st2actionrunner etc are basically the same container with the stackstorm container. The only hidden difference is the ENV settings. This approach minimizes the download snapshot when you want to run many stackstorm containers on the same node.

Configuration

StackStorm components use Mongo database and RabbitMQ message queue service. When bringing up containers each component must know where db and queue are. All components except st2api also should know where st2api is.
There many ways to set this configuration, namely:

  • Using environment variables.
  • Using docker links.
  • Passing /etc/st2/st2.conf as volume.

These ways are sufficient for any use case, starting from a small docker compose development environment finishing with big discovery managed installations. Let's cover these.

Using environment variables

St2 components the following environment variables:

  • AMQP_URL - url of rabbitmq, default is: amqp://guest:guest@rabbitmq:5672/.
  • DB_HOST - mongo database hostname or ip address, default is: mongo.
  • DB_PORT - mongo database listen port, default is: 27017.
  • API_URL - stackstorm api endpoint.

If you need any custom configuration, simple pass these environment variables to st2 docker containers and you are ready to go.

Build your own StackStorm Docker images

Here is an example to build all StackStorm components and deploy them to Docker Hub.
It shows current automated CI & Deployment logic.

1. Build st2

This is base image, which will be used as parent for StackStorm components.

docker build --build-arg ST2_VERSION="2.0.1-3" --build-arg ST2_REPO="staging-stable" -t st2 stackstorm/

where 2.0.1 is version and 3 is revision number you can obtain from the PackageCloud repo.

2. Build StackStorm components from the Base image

Once we have st2 base Docker image, we can build child containers from it. Do for all StackStorm components:

docker build -t stackstorm/st2actionrunner:2.0.1 st2actionrunner/
docker build -t stackstorm/st2api:2.0.1 st2api/
docker build -t stackstorm/st2auth:2.0.1 st2auth/
docker build -t stackstorm/st2notifier:2.0.1 st2notifier/
docker build -t stackstorm/st2resultstracker:2.0.1 st2resultstracker/
docker build -t stackstorm/st2rulesengine:2.0.1 st2rulesengine/
docker build -t stackstorm/st2sensorcontainer:2.0.1 st2sensorcontainer/
docker build -t stackstorm/st2garbagecollector:2.0.1 st2garbagecollector/

Make sure you tag Docker containers X.Y.Z for versioned vX.Y.Z branch in st2.
latest Docker tag for master branch.

3. Usage

Start all st2 components via docker-compose:

docker-compose up -d

Optionally run several st2actionrunner services:

docker-compose scale actionrunner=4

You can use StackStorm now:

# show st2 version
docker-compose run --rm client st2 --version

# list packs
docker-compose run --rm client st2 action list

# install github pack
docker-compose run --rm client st2 run packs.install packs=github
4. Deploy to Docker Hub (optional)
docker login -e ${DOCKER_EMAIL} -u ${DOCKER_USER} -p ${DOCKER_PASSWORD}

docker push stackstorm/st2actionrunner:2.0.1
docker push stackstorm/st2api:2.0.1
docker push stackstorm/st2auth:2.0.1
docker push stackstorm/st2notifier:2.0.1
docker push stackstorm/st2resultstracker:2.0.1
docker push stackstorm/st2rulesengine:2.0.1
docker push stackstorm/st2sensorcontainer:2.0.1
docker push stackstorm/st2garbagecollector:2.0.1

Also in this repo

packagingbuild

Dockerfiles with ready to use environment to build .deb and .rpm StackStorm packages in StackStorm/st2-packages CI/CD.

See packagingbuild/

packagingtest

Dockerfiles with pre-installed init system used to test .deb and .rpm StackStorm packages in StackStorm/st2-packages CI/CD.

See packagingtest/

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stackstorm
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