Alerts for failing OLM operators

- Add prometheus rule for firing an alert when csv_abnormal metric
  is emitted with phase=failed
- Alert message contains name and version of operator.

deploy/chart/templates/0000_90_olm_01-prometheus-rule.yaml

@@ -0,0 +1,20 @@
+{{ if and .Values.installType (eq .Values.installType "ocp") }}
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: olm-alert-rules
+  namespace: {{ .Values.namespace }}
+  labels:
+    prometheus: alert-rules
+    role: alert-rules
+spec:
+  groups:
+    - name: olm.failing_operators.rules
+      rules:
+        - alert: FailingOperator
+          annotations:
+            message: Failed to install Operator {{ $labels.name }} version {{ $labels.version }}. Reason-{{ $labels.reason }}
+          expr: csv_abnormal{phase="Failed"}
+          labels:
+            severity: info
+{{ end }}

manifests/0000_90_olm_01-prometheus-rule.yaml

@@ -0,0 +1,19 @@
+
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: olm-alert-rules
+  namespace: openshift-operator-lifecycle-manager
+  labels:
+    prometheus: alert-rules
+    role: alert-rules
+spec:
+  groups:
+    - name: olm.failing_operators.rules
+      rules:
+        - alert: FailingOperator
+          annotations:
+            message: Failed to install Operator {{ $labels.name }} version {{ $labels.version }}. Reason-{{ $labels.reason }}
+          expr: csv_abnormal{phase="Failed"}
+          labels:
+            severity: info