deploy.yaml

---
  chain:
    -
      name: get_canary_version
      ref: consul.get
      params:
        key: "{{project}}::canary_version"
      on-success: query_if_production_deploy
    -
      name: query_if_production_deploy
      ref: core.local
      params:
        cmd: '"{{production}}" = "true"'
      on-success: deploy_production
      on-failure: deploy_canary

    ## Begin Production Workflow ##
    -
      name: deploy_production
      ref: slack.post_message
      params:
        message: "Beginning deployment of {{project}} to production..."
        channel: '#console'
      on-success: get_production_version
    -
      name: get_production_version
      ref: consul.get
      params:
        key: "{{project}}::version"
      on-success: get_production_hosts
    -
      name: get_production_hosts
      ref: consul.query_service
      params:
        service: "{{project}}"
        tag: "{{app_role}}"
      on-success: update_production_version
    -
      name: update_production_version
      ref: consul.put
      params:
        key: "{{project}}::version"
        value: "{{get_canary_version.result.Value}}"
      on-success: update_application_on_production_hosts
    -
      name: update_application_on_production_hosts
      ref: debian.apt_get_update_install
      params:
        package: "{{project}}"
        version: "{{version}}"
        hosts: "{{get_production_hosts.result}}"
      on-success: notify_successful_production_deployment
      on-failure: notify_unsuccessful_production_deployment
    -
      name: notify_unsuccessful_production_deployment
      ref: slack.post_message
      params:
        message: "Something went wrong with the deployment of {{project}} to production nodes..."
        channel: '#console'
    -
      name: notify_successful_production_deployment
      ref: slack.post_message
      params:
        message: "SUCCESS!! {{project}} has been deployed to production! (`{{get_canary_version.result.Value}}`)"
        channel: '#console'
    ## End Production Workflow ##

    ## Begin Canary Workflow ##
    -
      name: deploy_canary
      ref: slack.post_message
      params:
        message: "Beginning deployment of {{project}} to canary hosts..."
        channel: '#console'
      on-success: get_canary_hosts
    -
      name: get_canary_hosts
      ref: consul.query_service
      params:
        service: "{{project}}"
        tag: "canary_{{app_role}}"
      on-success: update_canary_version
    -
      name: update_canary_version
      ref: consul.put
      params:
        key: "{{project}}::canary_version"
        value: "{{version}}"
      on-success: update_application_on_canary_hosts
    -
      name: update_application_on_canary_hosts
      ref: debian.apt_get_update_install
      params:
        package: "{{project}}"
        version: "{{version}}"
        hosts: "{{get_canary_hosts.result}}"
      on-success: notify_successful_canary_deployment
      on-failure: notify_unsuccessful_canary_deployment
    -
      name: notify_unsuccessful_canary_deployment
      ref: slack.post_message
      params:
        message: "Something went wrong with the deployment of {{project}} to canary nodes..."
        channel: '#console'
    -
      name: notify_successful_canary_deployment
      ref: slack.post_message
      params:
        message: "SUCCESS!! {{project}}-{{version}} has been deployed to canary nodes!"
        channel: '#console'
  default: get_canary_version