Add runbook urls for prometheus alerts.

Ticket: https://issues.redhat.com/browse/OCPBUGS-14057

manifests/0000_90_ingress-operator_03_prometheusrules.yaml

@@ -22,6 +22,7 @@ spec:
  summary: HAProxy reload failure
  description: "This alert fires when HAProxy fails to reload its configuration, which will result in the router not picking up recently created or modified routes."
  message: "HAProxy reloads are failing on {{ $labels.pod }}. Router is not respecting recently created or modified routes"
+ runbook_url: "https://github.com/openshift/runbooks/blob/master/alerts/HAProxyReloadFail.md"
  - alert: HAProxyDown
  expr: haproxy_up == 0
  for: 5m
@@ -31,6 +32,7 @@ spec:
  summary: HAProxy is down
  description: "This alert fires when metrics report that HAProxy is down."
  message: "HAProxy metrics are reporting that HAProxy is down on pod {{ $labels.namespace }} / {{ $labels.pod }}"
+ runbook_url: "https://github.com/openshift/runbooks/blob/master/alerts/HAProxyDown.md"
  - alert: IngressControllerDegraded
  expr: ingress_controller_conditions{condition="Degraded"} == 1
  for: 5m
@@ -39,6 +41,7 @@ spec:
  annotations:
  summary: IngressController is degraded
  description: "This alert fires when the IngressController status is degraded."
+ runbook_url: "https://github.com/openshift/runbooks/blob/master/alerts/IngressControllerDegraded.md"
  message: |
  The {{ $labels.namespace }}/{{ $labels.name }} ingresscontroller is
  degraded: {{ $labels.reason }}.
@@ -53,6 +56,7 @@ spec:
  message: |
  The {{ $labels.namespace }}/{{ $labels.name }} ingresscontroller is
  unavailable: {{ $labels.reason }}.
+ runbook_url: "https://github.com/openshift/runbooks/blob/master/alerts/IngressControllerUnavailable.md"
  # Recording rules related to route metrics for sending via telemetry
  - expr: min(route_metrics_controller_routes_per_shard)
  record: cluster:route_metrics_controller_routes_per_shard:min
@@ -75,6 +79,7 @@ spec:
  summary: Ingress without IngressClassName for 1 day
  description: "This alert fires when there is an Ingress with an unset IngressClassName for longer than one day."
  message: "Ingress {{ $labels.namespace }}/{{ $labels.name }} is missing the IngressClassName for 1 day."
+ runbook_url: "https://github.com/openshift/runbooks/blob/master/alerts/IngressWithoutClassName.md"
  - alert: UnmanagedRoutes
  expr: openshift_ingress_to_route_controller_route_with_unmanaged_owner == 1
  for: 1h
@@ -84,4 +89,5 @@ spec:
  summary: Route owned by an Ingress no longer managed
  description: "This alert fires when there is a Route owned by an unmanaged Ingress."
  message: "Route {{ $labels.namespace }}/{{ $labels.name }} is owned by an unmanaged Ingress."
+ runbook_url: "https://github.com/openshift/runbooks/blob/master/alerts/UnmanagedRoutes.md"