From ec75d0ac888f3fab87f8d335224596df045e260a Mon Sep 17 00:00:00 2001
From: Zohar Galor <zgalor@redhat.com>
Date: Tue, 20 Jun 2017 17:28:07 +0300
Subject: Create ansible role for deploying prometheus on openshift

A new role for installing prometheus on openshift.
Depends on `openshift_hosted_prometheus_deploy` flag

role creates:
- prometheus namespace
- prometheus clusterrolebinding and service account
- pvs for prometheus, alertmanager and alertbuffer for internal nfs
- prometheus pod with prometheus behind oauth-proxy, alertmanager and alert-buffer behind oauth-proxy
- prometheus and alertmanager configmaps
- prometheus and alerts services and direct routes
- prometheus, alertmanager and alert-buffer pvcs
---
 roles/openshift_prometheus/tasks/create_pvs.yaml | 36 ++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 roles/openshift_prometheus/tasks/create_pvs.yaml

(limited to 'roles/openshift_prometheus/tasks/create_pvs.yaml')

diff --git a/roles/openshift_prometheus/tasks/create_pvs.yaml b/roles/openshift_prometheus/tasks/create_pvs.yaml
new file mode 100644
index 000000000..4e79da05f
--- /dev/null
+++ b/roles/openshift_prometheus/tasks/create_pvs.yaml
@@ -0,0 +1,36 @@
+---
+# Check for existance and then conditionally:
+# - evaluate templates
+# - PVs
+#
+# These tasks idempotently create required Prometheus PV objects. Do not
+# call this file directly. This file is intended to be ran as an
+# include that has a 'with_items' attached to it. Hence the use below
+# of variables like "{{ item.pv_label }}"
+
+- name: "Check if the {{ item.pv_label }} template has been created already"
+  oc_obj:
+    namespace: "{{ openshift_prometheus_namespace }}"
+    state: list
+    kind: pv
+    name: "{{ item.pv_name }}"
+  register: prom_pv_check
+
+# Skip all of this if the PV already exists
+- block:
+    - name: "Ensure the {{ item.pv_label }} template is evaluated"
+      template:
+        src: "{{ item.pv_template }}.j2"
+        dest: "{{ tempdir }}/templates/{{ item.pv_template }}"
+
+    - name: "Ensure {{ item.pv_label }} is created"
+      oc_obj:
+        namespace: "{{ openshift_prometheus_namespace }}"
+        kind: pv
+        name: "{{ item.pv_name }}"
+        state: present
+        delete_after: True
+        files:
+          - "{{ tempdir }}/templates/{{ item.pv_template }}"
+  when:
+    - not prom_pv_check.results.results.0
-- 
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