cloud_init_worker.yaml

#cloud-config
apt_upgrade: false
apt_update: false
manage_etc_hosts: false
package_update: false
package_upgrade: false

write_files:

- path: /etc/consul/config.json
  content: |
    {
    "server": false,
    "datacenter": "application",
    "data_dir": "/var/consul",
    "encrypt": "uohStneoKEoVYZIASGp6Nw==",
    "log_level": "INFO",
    "enable_syslog": false,
    "retry_join": ["{{variables.master_host_ip}}"],
    "rejoin_after_leave": true,
    "services": [{"name":"worker_cluster","port":9100}, {"name":"app_docker_cluster","port":9200}]
    }

- path: /bin/consul-set-network.sh
  permissions: '755'
  content: |
    #!/bin/bash
    echo "Setup NETWORK starts."
    myhost=`hostname`
    ipaddress=`ifconfig | awk '/inet addr/{print substr($2,6)}' | grep -v 127.0.0.1 | head -n 1`
    cp /etc/hosts /etc/hosts.old
    grep -v "$myhost" /etc/hosts.old > /etc/hosts

    echo "IPADDRESS: $ipaddress"
    echo "$ipaddress $myhost" >> /etc/hosts

    rm -rf /etc/resolvconf/*
    echo "Setup NETWORK finished."


- path: /etc/resolvconf/resolv.conf.d/base
  content: |
    nameserver 8.8.8.8

# Docker config for labels test with workernodes
- path: /etc/systemd/system/docker.service.d/docker.conf
  content: |
    [Service]
    ExecStart=
    ExecStart=/usr/bin/dockerd -H fd:// --label="host"="{{infra_name}}"

- path: /etc/micado/docker-compose.yml
  content: |
    version: '3.3'

    services:
       consul:
        image: consul:1.0.0
        container_name: consul
        ports:
          - 8300:8300
          - 8301:8301
          - 8301:8301/udp
          - 8302:8302
          - 8302:8302/udp
          - 8500:8500
          - 8600:8600
          - 8600:8600/udp
        volumes:
          - "/etc/consul/:/etc/consul/"
        command: agent -advertise=$IP -retry-join={{variables.master_host_ip}} -config-file=/etc/consul/config.json

       node-exporter:
        image: prom/node-exporter:v0.15.2
        container_name: node-exporter
        ports:
          - 9100:9100

       cadvisor:
        image: google/cadvisor:v0.28.3
        container_name: cadvisor
        ports:
          - 9200:8080
        volumes:
          - "/:/rootfs/:ro"
          - "/var/run/:/var/run/:rw"
          - "/sys:/sys/:ro"
          - "/var/lib/docker/:/var/lib/docker/:ro"
          - "/dev/disk/:/dev/disk/"

runcmd:
  - adduser --disabled-password --gecos "" prometheus
  - echo 'APT::Periodic::Unattended-Upgrade "0";' > /etc/apt/apt.conf.d/20auto-upgrades
  - /bin/consul-set-network.sh
  - dhclient
  - oldhostname=$(hostname -s)
  - new_host_name=worker-$(date +%s | sha256sum | base64 | head -c 32 ; echo)
  - echo $new_host_name > /etc/hostname
  - hostname -F /etc/hostname
  - line=127.0.1.1'\t'$new_host_name
  - sed -i "s/$oldhostname/$new_host_name/g" /etc/hosts
  - echo $line >> /etc/hosts
  - export DEBIAN_FRONTEND=noninteractive
  - dpkg-reconfigure openssh-server
  - resolvconf -u
  - echo nameserver 8.8.8.8 >> /etc/resolv.conf
# Docker
  - apt-get update
  - apt-get install -y --no-install-recommends apt-transport-https ca-certificates curl software-properties-common wget unzip
  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
  - add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
  - apt-get update
  - apt-get install -y docker-ce=17.09.1~ce-0~ubuntu
  - systemctl enable docker
  # Install Docker Compose
  - curl -L https://github.com/docker/compose/releases/download/1.16.1/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
  - chmod +x /usr/local/bin/docker-compose
# Connect to Swarm
  - wget --retry-connrefused -qO /tmp/swarm_join {{variables.master_host_ip}}:2375/v1.26/swarm
  - export TOKEN=$(grep -Eo 'SWMTKN-[[:alnum:]]*-[[:alnum:]]*-[[:alnum:]]*' /tmp/swarm_join | head -1)
  - docker swarm join --token $TOKEN {{variables.master_host_ip}}:2377

# Infra services start
  - export IP=$(hostname -I | cut -d\  -f1)
  - docker-compose -f /etc/micado/docker-compose.yml up -d
#  - sudo docker run -d -p 9100:9100 prom/node-exporter:v0.15.2
#  - sudo docker run -d --net=host -e 'CONSUL_LOCAL_CONFIG={"leave_on_terminate":true}' -p 8301:8301 -p 8301:8301/udp -p 8300:8300 -p 8302:8302 -p 8302:8302/udp -p 8400:8400 -p 8500:8500 -p 8600:8600/udp -v /etc/consul/:/etc/consul consul:1.0.0 agent -advertise=$IP -retry-join={{variables.master_host_ip}} -config-file=/etc/consul/config.json
#  - sudo docker run  --volume=/:/rootfs:ro  --volume=/var/run:/var/run:rw  --volume=/sys:/sys:ro  --volume=/var/lib/docker/:/var/lib/docker:ro  --publish=9200:8080  --detach=true  --name=cadvisor google/cadvisor:v0.28.3