Ansible Mesosphere

Install a Mesosphere stack on EC2 :

• Zookeeper cluster
• Mesos cluster
• Marathon
• Sensu for alerting/monitoring
• GitLab for hosting code

Install Ansible

(On OSX for instance...)

sudo easy_install pip
sudo -H pip install --upgrade pip
sudo -H pip install --upgrade boto
sudo -H pip install --upgrade ansible

Configure your AWS Credentials

export ANSIBLE_HOST_KEY_CHECKING=False
export EC2_REGION=eu-west-1
export AWS_ACCESS_KEY=...
export AWS_SECRET_KEY=...
export AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY
export AWS_SECRET_ACCESS_KEY=$AWS_SECRET_KEY

Configure your EC2 pem file

export PEM_NAME=<aws_pem_name>
export PEM_PATH=~/.ssh/<aws_pem_name>.pem

Configure EC2 instances tags

export CLIENT=company
export ENV=dev

Configure your VPC

Use the default VPC or create one with a public subnet

export VPC_ID=<vpc_id>
export SUBNET_ID=<public_subnet_id>

Create EC2 instances

ansible-playbook -i inventory/local playbooks/create-ec2.yml

Configure EC2 instances

ansible-playbook -i inventory/ec2.py playbooks/site.yml

<or>

ansible-playbook -i inventory/ec2.py playbooks/zookeeper.yml
ansible-playbook -i inventory/ec2.py playbooks/mesos.yml
ansible-playbook -i inventory/ec2.py playbooks/marathon.yml
ansible-playbook -i inventory/ec2.py playbooks/gitlab.yml
ansible-playbook -i inventory/ec2.py playbooks/sensu.yml

You can browse

• http://<mesos_master_url>:5050
• http://<marathon_url>:8080
• http://<sensu_url>:3000
• http://<gitlab_url>

Deploy an app on marathon

curl -XPOST -H 'Content-Type: application/json' http://<marathon_url>:8080/v2/apps -d @sample.json

Terminate EC2 instances

ansible-playbook -i inventory/ec2.py playbooks/terminate-ec2.yml

TODO

• Configure Sensu alerting (via mail)
• Configure Sensu checks for docker
• Configure Marathon in HA mode
• Configure Chronos (?)
• Install Chaos Monkeys