Remove zookeeper

Signed-off-by: Jakub Stejskal <[email protected]>

README.md

@@ -5,7 +5,7 @@ Collection of deployment files for projects deployed in our long-running scenari
 One of the used projects is [Strimzi](https://github.com/strimzi/strimzi-kafka-operator) project.
 You can find the examples of our deployment configuration in [strimzi](strimzi) folder.
 
-In our example we deploy 2 Strimzi operators to manager KRaft and Zookeeper mode Kafka clusters.
+In our example we deploy 2 Strimzi operators to manager Main and Mirror Kafka clusters.
 Between the clusters there is a KafkaMirrorMaker2 established to mirror data from one cluster to another.
 
 ## Debezium

metrics/alerts/kafka/kafka.yaml

@@ -421,53 +421,6 @@ spec:
           annotations:
             summary: 'One or more Kafka containers restarted too often ({{ $labels.namespace }}/{{ $labels.pod }})'
             description: 'One or more Kafka containers were restarted too often within the last 5 minutes'
-    - name: zookeeper
-      rules:
-        - alert: AvgRequestLatency
-          expr: zookeeper_avgrequestlatency > 10
-          for: 1m
-          labels:
-            severity: warning
-            app: strimzi
-          annotations:
-            summary: 'Zookeeper average request latency'
-            description: 'The average request latency is {{ $value }} on {{ $labels.kubernetes_pod_name }}'
-        - alert: OutstandingRequests
-          expr: zookeeper_outstandingrequests > 10
-          for: 1m
-          labels:
-            severity: warning
-            app: strimzi
-          annotations:
-            summary: 'Zookeeper outstanding requests'
-            description: 'There are {{ $value }} outstanding requests on {{ $labels.kubernetes_pod_name }}'
-        - alert: ZookeeperRunningOutOfSpace
-          expr: kubelet_volume_stats_available_bytes{persistentvolumeclaim=~"data-(.+)-zookeeper-[0-9]+"} < 5368709120
-          for: 2m
-          labels:
-            severity: warning
-            app: strimzi
-          annotations:
-            summary: 'Zookeeper is running out of free disk space'
-            description: 'There are only {{ $value }} bytes available at {{ $labels.persistentvolumeclaim }} PVC'
-        - alert: ZookeeperContainerRestartedInTheLast5Minutes
-          expr: count(count_over_time(container_last_seen{container="zookeeper"}[5m])) > 2 * count(container_last_seen{container="zookeeper",pod=~".+-zookeeper-[0-9]+"})
-          for: 5m
-          labels:
-            severity: warning
-            app: strimzi
-          annotations:
-            summary: 'One or more Zookeeper containers were restarted too often ({{ $labels.namespace }}/{{ $labels.pod }})'
-            description: 'One or more Zookeeper containers were restarted too often within the last 5 minutes. This alert can be ignored when the Zookeeper cluster is scaling up'
-        - alert: ZookeeperContainersDown
-          expr: absent(container_last_seen{container="zookeeper",pod=~".+-zookeeper-[0-9]+"})
-          for: 3m
-          labels:
-            severity: major
-            app: strimzi
-          annotations:
-            summary: 'All `zookeeper` containers in the Zookeeper pods ({{ $labels.namespace }}/{{ $labels.pod }}) down or in CrashLookBackOff status'
-            description: 'All `zookeeper` containers in the Zookeeper pods ({{ $labels.namespace }}/{{ $labels.pod }}) have been down or in CrashLookBackOff status for 3 minutes'
     - name: entityOperator
       rules:
         - alert: TopicOperatorContainerDown

strimzi/main/kafka/00-kafka-route.yaml

@@ -208,47 +208,6 @@ spec:
         configMapKeyRef:
           key: anubis-kafka-jmx-exporter-configuration.yaml
           name: anubis-kafka-jmx-exporter-configuration
-  zookeeper:
-    replicas: 3
-    storage:
-      type: persistent-claim
-      size: 10Gi
-      class: standard-csi
-    metricsConfig:
-      type: jmxPrometheusExporter
-      valueFrom:
-        configMapKeyRef:
-          key: anubis-zookeeper-jmx-exporter-configuration.yaml
-          name: anubis-zookeeper-jmx-exporter-configuration
-    template:
-      podDisruptionBudget:
-        maxUnavailable: 0
-      pod:
-        tolerations:
-          - key: "nodetype"
-            operator: "Equal"
-            value: "kafka"
-            effect: "NoSchedule"
-        affinity:
-          nodeAffinity:
-            requiredDuringSchedulingIgnoredDuringExecution:
-              nodeSelectorTerms:
-                - matchExpressions:
-                    - key: nodetype
-                      operator: In
-                      values:
-                        - kafka
-        topologySpreadConstraints:
-          # Deploy Zookeeper pods with spread with difference max 2 pod
-          - maxSkew: 4
-            # All nodes with same key are considered as one group, so we should pick a key, which has different values on the nodes
-            topologyKey: kubernetes.io/hostname
-            whenUnsatisfiable: DoNotSchedule
-            labelSelector:
-              matchLabels:
-                # label on Zookeper pods
-                strimzi.io/kind: Kafka
-
   entityOperator:
     template:
       pod:
@@ -538,43 +497,6 @@ data:
 ---
 apiVersion: v1
 kind: ConfigMap
-metadata:
-  name: anubis-zookeeper-jmx-exporter-configuration
-data:
-  anubis-zookeeper-jmx-exporter-configuration.yaml: |
-    # See https://github.com/prometheus/jmx_exporter for more info about JMX Prometheus Exporter metrics
-    lowercaseOutputName: true
-    rules:
-    # replicated Zookeeper
-    - pattern: "org.apache.ZooKeeperService<name0=ReplicatedServer_id(\\d+)><>(\\w+)"
-      name: "zookeeper_$2"
-      type: GAUGE
-    - pattern: "org.apache.ZooKeeperService<name0=ReplicatedServer_id(\\d+), name1=replica.(\\d+)><>(\\w+)"
-      name: "zookeeper_$3"
-      type: GAUGE
-      labels:
-        replicaId: "$2"
-    - pattern: "org.apache.ZooKeeperService<name0=ReplicatedServer_id(\\d+), name1=replica.(\\d+), name2=(\\w+)><>(Packets\\w+)"
-      name: "zookeeper_$4"
-      type: COUNTER
-      labels:
-        replicaId: "$2"
-        memberType: "$3"
-    - pattern: "org.apache.ZooKeeperService<name0=ReplicatedServer_id(\\d+), name1=replica.(\\d+), name2=(\\w+)><>(\\w+)"
-      name: "zookeeper_$4"
-      type: GAUGE
-      labels:
-        replicaId: "$2"
-        memberType: "$3"
-    - pattern: "org.apache.ZooKeeperService<name0=ReplicatedServer_id(\\d+), name1=replica.(\\d+), name2=(\\w+), name3=(\\w+)><>(\\w+)"
-      name: "zookeeper_$4_$5"
-      type: GAUGE
-      labels:
-        replicaId: "$2"
-        memberType: "$3"
----
-apiVersion: v1
-kind: ConfigMap
 metadata:
   name: anubis-cruise-control-jmx-exporter-configuration
 data: