deploy.yml

---

- name: Deploy code
  hosts: appservers
  # become: true
  remote_user: '{{username}}'
  vars:
    install_dir: /home/{{username}}/software #no trailing slash
  vars_prompt:
    - name: "tag"
      prompt: "What tag do you want to deploy"
      private: no
  tasks:
    - name: ensure {{install_dir}} exists
      file:
        path: "{{install_dir}}"
        state: directory
        mode: 0744
        owner: '{{username}}'
        group: '{{username}}'

    - name: Clone Repo
      git:
        repo: https://<username>:<token>@github.com/<username>/<reponame>.git
        dest: "{{install_dir}}/repo"
        force: yes
        version: "{{tag}}"
        accept_hostkey: yes

    - name: install npm deps before build -- REQUIRED!
      shell: meteor npm install
      args:
        chdir: "{{install_dir}}/repo"

    - name: ensure {{install_dir}}/dist exists
      file:
        path: "{{install_dir}}/dist"
        state: directory
        mode: 0744
        owner: '{{username}}'
        group: '{{username}}'

    - name: test if {{install_dir}}/dist/{{tag}} exists
      stat:
        path: "{{install_dir}}/dist/{{tag}}"
      register: tagdir_stat

    - name: Meteor build (This may take a while)
      shell: "meteor build --directory {{install_dir}}/dist/{{tag}}"
      args:
        chdir: "{{install_dir}}/repo"
        creates: "{{install_dir}}/dist/{{tag}}"
      # ignore_errors: yes
      when: tagdir_stat.stat.exists == False

    - name: install npm deps
      shell: npm install
      args:
        chdir: "{{install_dir}}/dist/{{tag}}/bundle/programs/server"
      when: tagdir_stat.stat.exists == False

    - name: copy pm2 process file
      # note this file contains the port that meteor will run on
      template:
        src: ./run.json.j2
        dest: "{{install_dir}}/dist/{{tag}}/bundle/run.json"
        owner: '{{username}}'
        group: '{{username}}'

    - name: stop previous process
      shell: sudo pm2 delete instance1
      ignore_errors: yes

    - name: start new process
      shell: sudo pm2 start run.json
      args:
        chdir: '{{install_dir}}/dist/{{tag}}/bundle/'

    - name: save process runlist for reboot
      shell: sudo pm2 save

run.json.j2

{
  "apps" : [
    {
      "name": "instance1",
      "script": "./main.js",
      "env": {
        "MONGO_URL": "mongodb://{{db.user}}:{{db.password}}@{{db.hosts}}/{{db.name}}?replicaSet={{db.rs}}",
        "MONGO_OPLOG_URL": "mongodb://{{db.oplog.user}}:{{db.oplog.password}}@{{db.hosts}}/local?replicaSet={{db.rs}}&authSource={{db.oplog.authsource}}",
        "MAIL_URL": "smtp://{{email.user}}:{{email.pass}}@{{email.host}}:{{email.port}}",
        "PORT": 3000,
        "ROOT_URL": "http://{{hostname}}",
        "NODE_ENV": "PRODUCTION",
        "KADIRA_APP_ID": "{{kadira.id}}",
        "KADIRA_APP_SECRET": "{{kadira.secret}}",
        "METEOR_SETTINGS": "{\"public\":{\"APP_VERSION\":\"{{tag}}\",\"IS_TESTING\":\"{% if 'stage' in group_names %}true{% else %}false{% endif %}\"}}"
      }
    }
  ]
}