K8S 部署rabbitmq集群

版本介绍

名称	版本
k8s	1.18
rabbitmq	3.8

命名空间：rabbitmq 我这里已经建立

configmap 配置文件

[root@k8s-master01 rabbitmq]# cat configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:name: rabbitmq-confignamespace: rabbitmq
data:enabled_plugins: |[rabbitmq_management,rabbitmq_peer_discovery_k8s].rabbitmq.conf: |## Cluster formation. See https://www.rabbitmq.com/cluster-formation.html to learn more.cluster_formation.peer_discovery_backend  = rabbit_peer_discovery_k8scluster_formation.k8s.host = kubernetes.default.svc.cluster.local## Should RabbitMQ node name be computed from the pod's hostname or IP address?## IP addresses are not stable, so using [stable] hostnames is recommended when possible.## Set to "hostname" to use pod hostnames.## When this value is changed, so should the variable used to set the RABBITMQ_NODENAME## environment variable.cluster_formation.k8s.address_type = hostname## How often should node cleanup checks run?cluster_formation.node_cleanup.interval = 30## Set to false if automatic removal of unknown/absent nodes## is desired. This can be dangerous, see##  * https://www.rabbitmq.com/cluster-formation.html#node-health-checks-and-cleanup##  * https://groups.google.com/forum/#!msg/rabbitmq-users/wuOfzEywHXo/k8z_HWIkBgAJcluster_formation.node_cleanup.only_log_warning = truecluster_partition_handling = autoheal## See https://www.rabbitmq.com/ha.html#master-migration-data-localityqueue_master_locator=min-masters## This is just an example.## This enables remote access for the default user with well known credentials.## Consider deleting the default user and creating a separate user with a set of generated## credentials instead.## Learn more at https://www.rabbitmq.com/access-control.html#loopback-usersloopback_users.guest = false

rabc

[root@k8s-master01 rabbitmq]# cat rbac.yaml
---
apiVersion: v1
kind: ServiceAccount
metadata:name: rabbitmqnamespace: rabbitmq
---
kind: Role
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:name: rabbitmq-peer-discovery-rbac
#  namespace: test-rabbitmq
rules:
- apiGroups: [""]resources: ["endpoints"]verbs: ["get"]
- apiGroups: [""]resources: ["events"]verbs: ["create"]
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:name: rabbitmq-peer-discovery-rbacnamespace: rabbitmq
subjects:
- kind: ServiceAccountname: rabbitmq
roleRef:apiGroup: rbac.authorization.k8s.iokind: Rolename: rabbitmq-peer-discovery-rbac

service

[root@k8s-master01 rabbitmq]# cat service.yaml
kind: Service
apiVersion: v1
metadata:namespace: rabbitmqname: rabbitmqlabels:app: rabbitmqtype: LoadBalancer
spec:type: NodePortports:- name: httpprotocol: TCPport: 15672targetPort: 15672nodePort: 31672- name: amqpprotocol: TCPport: 5672targetPort: 5672nodePort: 30672selector:app: rabbitmq

PV

[root@k8s-master01 rabbitmq]# cat pv.yaml
apiVersion: v1
kind: PersistentVolume
metadata:name: nfs
spec:storageClassName: rabbitmqcapacity:storage: 10GiaccessModes:- ReadWriteManynfs:server: 192.168.245.129        # 改成自己的NFS地址path: "/data"           # nfs

PVC

[root@k8s-master01 rabbitmq]# cat pvc.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:name: nfs
spec:accessModes:- ReadWriteManystorageClassName: rabbitmqresources:requests:storage: 2Gi

statefulset

[root@k8s-master01 rabbitmq]# cat statefulset.yaml
apiVersion: apps/v1
kind: StatefulSet
metadata:name: rabbitmqnamespace: rabbitmq
spec:serviceName: rabbitmqreplicas: 3selector:matchLabels:app: rabbitmqtemplate:metadata:labels:app: rabbitmqspec:serviceAccountName: rabbitmqterminationGracePeriodSeconds: 10containers:- name: rabbitmq-k8simage: rabbitmq:3.8volumeMounts:- name: config-volumemountPath: /etc/rabbitmq- name: nfs-volumemountPath: /var/lib/rabbitmq/ports:- name: httpprotocol: TCPcontainerPort: 15672- name: amqpprotocol: TCPcontainerPort: 5672livenessProbe:exec:command: ["rabbitmq-diagnostics", "status"]initialDelaySeconds: 60periodSeconds: 60timeoutSeconds: 15readinessProbe:exec:command: ["rabbitmq-diagnostics", "ping"]initialDelaySeconds: 20periodSeconds: 60timeoutSeconds: 10imagePullPolicy: Alwaysenv:- name: MY_POD_NAMEvalueFrom:fieldRef:apiVersion: v1fieldPath: metadata.name- name: MY_POD_NAMESPACEvalueFrom:fieldRef:fieldPath: metadata.namespace- name: RABBITMQ_USE_LONGNAMEvalue: "true"- name: K8S_SERVICE_NAMEvalue: rabbitmq- name: RABBITMQ_NODENAMEvalue: rabbit@$(MY_POD_NAME).$(K8S_SERVICE_NAME).$(MY_POD_NAMESPACE).svc.cluster.local- name: K8S_HOSTNAME_SUFFIXvalue: .$(K8S_SERVICE_NAME).$(MY_POD_NAMESPACE).svc.cluster.local- name: RABBITMQ_ERLANG_COOKIEvalue: "mycookie"volumes:- name: config-volumeconfigMap:name: rabbitmq-configitems:- key: rabbitmq.confpath: rabbitmq.conf- key: enabled_pluginspath: enabled_plugins- name: nfs-volumepersistentVolumeClaim:claimName: nfs

启动

kubectl apply -f *.yaml

页面访问15672端口，密码guest/guest

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K8S 部署rabbitmq集群

K8S 部署rabbitmq集群

版本介绍

configmap 配置文件

rabc

service

PV

PVC

statefulset

启动

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