roles/rabbitmq_operator/tasks/main.yml

# Copyright (c) 2022 VEXXHOST, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

- name: Deploy Helm chart
  kubernetes.core.helm:
    name: rabbitmq-cluster-operator
    chart_ref: bitnami/rabbitmq-cluster-operator
    chart_version: 2.5.2
    release_namespace: openstack
    kubeconfig: /etc/kubernetes/admin.conf
    values:
      rabbitmqImage:
        repository: library/rabbitmq
        tag: 3.10.2-management
      credentialUpdaterImage:
        repository: rabbitmqoperator/default-user-credential-updater
        tag: 1.0.2
      clusterOperator:
        image:
          repository: rabbitmqoperator/cluster-operator
          tag: 1.13.1
        fullnameOverride: rabbitmq-cluster-operator
        nodeSelector:
          openstack-control-plane: enabled
      msgTopologyOperator:
        image:
          repository: rabbitmqoperator/messaging-topology-operator
          tag: 1.6.0
        fullnameOverride: rabbitmq-messaging-topology-operator
        nodeSelector:
          openstack-control-plane: enabled
      useCertManager: true

- name: Create PodMonitor
  kubernetes.core.k8s:
    state: present
    definition:
      apiVersion: monitoring.coreos.com/v1
      kind: PodMonitor
      metadata:
        name: rabbitmq
        namespace: monitoring
        labels:
          release: kube-prometheus-stack
      spec:
        jobLabel: app.kubernetes.io/component
        podMetricsEndpoints:
          - port: prometheus
            path: /metrics
            relabelings:
              - sourceLabels: ["__meta_kubernetes_pod_name"]
                targetLabel: "instance"
              - action: "labeldrop"
                regex: "^(container|endpoint|namespace|pod|service)$"
        namespaceSelector:
          matchNames:
            - openstack
        selector:
          matchLabels:
            app.kubernetes.io/component: rabbitmq

- name: Create PrometheusRule
  kubernetes.core.k8s:
    state: present
    definition:
      apiVersion: monitoring.coreos.com/v1
      kind: PrometheusRule
      metadata:
        name: rabbitmq
        namespace: monitoring
        labels:
          release: kube-prometheus-stack
      spec:
        groups:
          - name: limits
            rules:
              - alert: RabbitmqMemoryHigh
                expr: rabbitmq_process_resident_memory_bytes / rabbitmq_resident_memory_limit_bytes > 0.80
                labels:
                  severity: warning
              - alert: RabbitmqMemoryHigh
                expr: rabbitmq_process_resident_memory_bytes / rabbitmq_resident_memory_limit_bytes > 0.95
                labels:
                  severity: critical
              - alert: RabbitmqFileDescriptorsUsage
                expr: rabbitmq_process_open_fds / rabbitmq_process_max_fds > 0.80
                labels:
                  severity: warning
              - alert: RabbitmqFileDescriptorsUsage
                expr: rabbitmq_process_open_fds / rabbitmq_process_max_fds > 0.95
                labels:
                  severity: critical
              - alert: RabbitmqConnections
                expr: rabbitmq_connections > 1000
                labels:
                  severity: warning
          - name: msgs
            rules:
              - alert: RabbitmqUnackedMessages
                expr: sum(rabbitmq_queue_messages_unacked) BY (queue) > 1000
                for: 5m
                labels:
                  severity: warning
              - alert: RabbitmqUnackedMessages
                expr: sum(rabbitmq_queue_messages_unacked) BY (queue) > 1000
                for: 1h
                labels:
                  severity: critical