Mesos and Marathon Setup
Installing Docker
use the below command to install docker
Configuring mesos to allow Docker
echo 'docker,mesos' | sudo tee /etc/mesos-slave/containerizers
echo '5mins' > /etc/mesos-slave/executor_registration_timeout
Launching Docker Containers using Marathon Framework
sample marathon application definition (JSON) to run redis
redis.json
{
"container": {
"type": "DOCKER",
"docker": {
"image": "redis"
}
},
"id": "redis",
"instances": 1,
"cpus": 0.25,
"mem": 256,
"uris": []
}
|
Use the below REST API call to deploy redis container
curl -i -H 'Content-Type: application/json' -d@redis.json marathon_host:8080/v2/apps
Now you can check the deployed app / container in different ways
- Using marathon Web UI
- Using mesos Web UI
- Marathon REST API
curl http://0.0.0.0:8080/v2/apps | python -m json.tool
- Using Docker commands
$sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
bc113e5ae582 redis "/entrypoint.sh redis" 1 hours ago Up 1 hours mesos-20150811-053134-2734729408-5050-28597-S0.3db57667-b60c-4dc1-9318-df5e8b3d4302
