This change turns dd_monitoring on or off per task.

Author: Christopher M. Neill

ansible/gamma-hosts/variables

@@ -72,6 +72,7 @@ registry_host=10.4.4.82
 swarm_token=d363b783f03a845a2c82b081bfe8443e
 user_content_domain=runnable.ninja
 api_hello_runnable_github_token=88ddc423c2312d02a8bbcaad76dd4c374a30e4af
+no_dd_monitoring=false
 
 [ec2:vars]
 env=gamma

ansible/group_vars/alpha-mongo.yml

@@ -7,3 +7,6 @@ db_path: "/opt/mongodb/db"
 container_image: mongo
 container_tag: "latest"
 container_run_opts: "-d --name mongodb -p 27017:27017 -v {{ db_path }}:/data/db:rw"
+
+# do not monitor docker-daemon for mongo, as there is none
+no_dd_monitoring: true

ansible/roles/datadog/tasks/main.yml

@@ -32,7 +32,7 @@
 - name: add docker to dd-agent group
   tags: ['datadog']
   sudo: yes
-  when: name != "mongo"
+  when: not no_dd_monitoring
   shell: usermod -a -G docker dd-agent
 
 - name: create dd configdir
@@ -64,7 +64,7 @@
 - name: install docker integration
   tags: ['datadog']
   sudo: yes
-  when: name != "mongo"
+  when: not no_dd_monitoring
   template:
     src=docker_daemon.yaml.j2
     dest=/etc/dd-agent/conf.d/docker_daemon.yaml