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

1 files changed, 20 insertions, 0 deletions

diff --git a/roles/openshift_prometheus/templates/alertmanager.yml.j2 b/roles/openshift_prometheus/templates/alertmanager.yml.j2
new file mode 100644
index 000000000..6c432a3d0
--- /dev/null
+++ b/roles/openshift_prometheus/templates/alertmanager.yml.j2
@@ -0,0 +1,20 @@
+global:
+
+# The root route on which each incoming alert enters.
+route:
+  # default route if none match
+  receiver: alert-buffer-wh
+
+  # The labels by which incoming alerts are grouped together. For example,
+  # multiple alerts coming in for cluster=A and alertname=LatencyHigh would
+  # be batched into a single group.
+  # TODO:
+  group_by: []
+
+  # All the above attributes are inherited by all child routes and can
+  # overwritten on each.
+
+receivers:
+- name: alert-buffer-wh
+  webhook_configs:
+  - url: http://localhost:9099/topics/alerts