Add tasks to uninstall metrics (#7)

playbooks/common/openshift-cluster/openshift_metrics.yml

@@ -0,0 +1,4 @@
+- name: OpenShift Metrics
+  hosts: oo_first_master
+  roles:
+  - openshift_metrics

roles/openshift_metrics/defaults/main.yaml

@@ -1,4 +1,5 @@
 ---
+openshift_metrics_install_metrics: True
 openshift_metrics_image_prefix: docker.io/openshift/origin-
 openshift_metrics_image_version: latest
 openshift_metrics_master_url: https://kubernetes.default.svc.cluster.local
@@ -10,8 +11,7 @@ openshift_metrics_hawkular_cassandra_nodes: 1
 openshift_metrics_hawkular_cassandra_storage_type: emptydir
 openshift_metrics_hawkular_cassandra_pv_prefix: metrics-cassandra
 openshift_metrics_hawkular_cassandra_pv_size: 10Gi
-openshift_metrics_certs_dir: >
-  {{ openshift.common.config_base }}/master/metrics
+openshift_metrics_certs_dir: "{{ openshift.common.config_base }}/master/metrics"
 
 openshift_metrics_heapster_standalone: False
 openshift_metrics_heapster_allowed_users: system:master-proxy

roles/openshift_metrics/tasks/install_metrics.yaml

@@ -1,17 +1,9 @@
 ---
-# This is the base configuration for installing the other components
-- name: Create temp directory for doing work in
-  command: mktemp -td openshift-metrics-ansible-XXXXXX
-  register: mktemp
-  changed_when: False
-
-- debug: msg="Created temp dir {{mktemp.stdout}}"
-
-- name: Create temp directory for all our templates
-  file: path={{mktemp.stdout}}/templates state=directory mode=0755
-  changed_when: False
-
-- include: generate_certificates.yaml
-- include: generate_serviceaccounts.yaml
-- include: generate_services.yaml
-- include: generate_rolebindings.yaml
+- name: Install Metrics
+  include: "{{ role_path }}/tasks/install_{{ include_file }}.yaml"
+  with_items:
+    - support
+    - heapster
+    - hawkular
+  loop_control:
+    loop_var: include_file

roles/openshift_metrics/tasks/install_support.yaml

@@ -0,0 +1,5 @@
+---
+- include: generate_certificates.yaml
+- include: generate_serviceaccounts.yaml
+- include: generate_services.yaml
+- include: generate_rolebindings.yaml

roles/openshift_metrics/tasks/main.yaml

@@ -2,20 +2,31 @@
 - name: check that hawkular_metrics_hostname is set
   fail: msg='the openshift_metrics_hawkular_metrics_hostname variable is required'
   when: "{{ openshift_metrics_hawkular_metrics_hostname is not defined }}"
+
 - name: check the value of openshift_metrics_hawkular_cassandra_storage_type
   fail:
     msg: >
       openshift_metrics_hawkular_cassandra_storage_type ({{ openshift_metrics_hawkular_cassandra_storage_type }})
       is invalid, must be one of: emptydir, pv, dynamic
   when: openshift_metrics_hawkular_cassandra_storage_type not in openshift_metrics_hawkular_cassandra_storage_types
-- name: Install Metrics
-  include: "{{ role_path }}/tasks/install_{{ include_file }}.yaml"
-  with_items:
-    - metrics
-    - heapster
-    - hawkular
-  loop_control:
-    loop_var: include_file
+
+- name: Create temp directory for doing work in
+  command: mktemp -td openshift-metrics-ansible-XXXXXX
+  register: mktemp
+  changed_when: False
+
+- debug: msg="Created temp dir {{mktemp.stdout}}"
+
+- name: Create temp directory for all our templates
+  file: path={{mktemp.stdout}}/templates state=directory mode=0755
+  changed_when: False
+
+- include: "{{role_path}}/tasks/install_metrics.yaml"
+  when: openshift_metrics_install_metrics | default(false) | bool
+
+- include: "{{role_path}}/tasks/uninstall_metrics.yaml"
+  when: not openshift_metrics_install_metrics | default(false) | bool
+
 - name: create objects
   command: >
     {{ openshift.common.client_binary }} -n '{{ openshift_metrics_project }}'