Control Masakari monitors deploy

Add a switches to enable/disable deploy of the Masakari monitors.

Change-Id: I3ab603f7cab7946ea8f2e063fe91190d6592066a
Signed-off-by: Maksim Malchuk <maksim.malchuk@gmail.com>

ansible/group_vars/all.yml

@@ -661,6 +661,8 @@ enable_manila_backend_cephfs_nfs: "no"
 enable_manila_backend_glusterfs_nfs: "no"
 enable_mariabackup: "no"
 enable_masakari: "no"
+enable_masakari_instancemonitor: "{{ enable_masakari | bool }}"
+enable_masakari_hostmonitor: "{{ enable_masakari | bool }}"
 enable_mistral: "no"
 enable_monasca: "no"
 enable_multipathd: "no"

ansible/roles/masakari/defaults/main.yml

@@ -28,7 +28,7 @@ masakari_services:
   masakari-instancemonitor:
     container_name: masakari_instancemonitor
     group: masakari-instancemonitor
-    enabled: true
+    enabled: "{{ enable_masakari_instancemonitor | bool }}"
     image: "{{ masakari_monitors_image_full }}"
     volumes: "{{ masakari_instancemonitor_default_volumes + masakari_instancemonitor_extra_volumes }}"
     privileged: True
@@ -36,7 +36,7 @@ masakari_services:
   masakari-hostmonitor:
     container_name: masakari_hostmonitor
     group: masakari-hostmonitor
-    enabled: true
+    enabled: "{{ enable_masakari_hostmonitor | bool }}"
     ipc_mode: host
     image: "{{ masakari_monitors_image_full }}"
     volumes: "{{ masakari_hostmonitor_default_volumes + masakari_hostmonitor_extra_volumes }}"

doc/source/reference/compute/masakari-guide.rst

@@ -13,6 +13,9 @@ KVM-based Virtual Machine(VM)s from failure events such as VM process down,
 provisioning process down, and nova-compute host failure. Masakari also
 provides an API service to manage and control the automated rescue mechanism.
 
-Kolla deploys Masakari API, Masakari Engine and Masakari Instance Monitor
-containers which are the main Masakari components only if ``enable_masakari``
-is set in ``/etc/kolla/globals.yml``.
+Kolla deploys Masakari API, Masakari Engine and Masakari Monitor containers
+which are the main Masakari components only if ``enable_masakari`` is set in
+``/etc/kolla/globals.yml``. By default, both the Masakari Host Monitor and
+Masakari Instance Monitor containers are enabled. The deployment of each type
+of monitors can be controlled individually via
+``enable_masakari_instancemonitor`` and ``enable_masakari_hostmonitor``.

releasenotes/notes/control-masakari-monitors-1107c10c45678b0a.yaml

@@ -0,0 +1,8 @@
+---
+features:
+  - |
+    New switches added to control deployment of the Masakari monitors. The
+    deployment of each type of monitors can be controlled individually via
+    ``enable_masakari_instancemonitor`` and ``enable_masakari_hostmonitor``.
+    By default, both are set to ``true`` when the deployment of the Masakari
+    is enabled via ``enable_masakari``.