Setting up a docker / fig Mesos environment
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Mesos base Docker using the Mesosphere packages from https://mesosphere.io/downloads/. Doesn't start Mesos, please use the mesos-master and mesos-slave Dockers.
What really worried me about those images is that they were untrusted and no source was immediately available.
So I re-created your example using the mesosphere github as inspiration:
Updated Example
Example updated to include the chronos framework
├── build.sh├── fig.yml├── mesos│ └── Dockerfile├── mesos-chronos│ └── Dockerfile├── mesos-master│ └── Dockerfile└── mesos-slave └── Dockerfile
Build the base image (only has to be done once)
./build.sh
Run fig to start an instance of each service:
$ fig up -dCreating mesos_zk_1...Creating mesos_master_1...Creating mesos_slave_1...Creating mesos_chronos_1...
One useful thing about fig is that you can scale up the slaves
$ fig scale slave=5Starting mesos_slave_2...Starting mesos_slave_3...Starting mesos_slave_4...Starting mesos_slave_5...
The mesos master console should show 5 slaves running
http://localhost:15050/#/slaves
And the chronos framework should be running and ready to launch tasks
http://localhost:14400
fig.yml
zk: image: mesos command: /usr/share/zookeeper/bin/zkServer.sh start-foregroundmaster: build: mesos-master ports: - "15050:5050" links: - "zk:zookeeper"slave: build: mesos-slave links: - "zk:zookeeper"chronos: build: mesos-chronos ports: - "14400:4400" links: - "zk:zookeeper"
Notes:
- Only single instance of zookeeper needed for this example
build.sh
docker build --rm=true --tag=mesos mesos
mesos/Dockerfile
FROM ubuntu:14.04MAINTAINER Mark O'Connor <mark@myspotontheweb.com>RUN echo "deb http://repos.mesosphere.io/ubuntu/ trusty main" > /etc/apt/sources.list.d/mesosphere.listRUN apt-key adv --keyserver keyserver.ubuntu.com --recv E56151BFRUN apt-get -y updateRUN apt-get -y install mesos marathon chronos
mesos-master/Dockerfile
FROM mesosMAINTAINER Mark O'Connor <mark@myspotontheweb.com>EXPOSE 5050CMD ["--zk=zk://zookeeper:2181/mesos", "--work_dir=/var/lib/mesos", "--quorum=1"]ENTRYPOINT ["mesos-master"]
mesos-slave/Dockerfile
FROM mesosMAINTAINER Mark O'Connor <mark@myspotontheweb.com>CMD ["--master=zk://zookeeper:2181/mesos"]ENTRYPOINT ["mesos-slave"]
mesos-chronos/Dockerfile
FROM mesosMAINTAINER Mark O'Connor <mark@myspotontheweb.com>RUN echo "zk://zookeeper:2181/mesos" > /etc/mesos/zkEXPOSE 4400CMD ["chronos"]
Notes:
- The "chronos" command line is configured using files.