- name: be sure sensu-plugins-{{ item.name }} is installed
  command: sensu-install -p {{ item.name }}:{{ item.version }}
  when: "'sensu-plugins-{{ item.name }} ({{ item.version }})' not in installed_plugins.stdout"
  with_items: "{{ sensu_plugin_install }}"

sensu_plugin_install:
  - name: mailer
    version: 1.0.0

sensu_plugin_install:
  - name: cpu-checks
    version: 1.0.0
  - name: disk-checks
    version: 2.0.1
  - name: http
    version: 1.0.0
  - name: memory-checks
    version: 1.0.2
  - name: ntp
    version: 1.0.0

TASK [030.sensu-plugin-install : be sure sensu-plugins-{{ item.name }} is
    installed] ***
    changed: [host.example.com] => (item={u'version': u'1.0.0', u'name':
    u'mailer'}) => {"changed": true,