99 lines
2.5 KiB
YAML
99 lines
2.5 KiB
YAML
apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: cassandra
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labels:
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app: cassandra
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spec:
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serviceName: cassandra
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replicas: 3
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selector:
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matchLabels:
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app: cassandra
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template:
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metadata:
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labels:
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app: cassandra
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spec:
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terminationGracePeriodSeconds: 500
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containers:
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- name: cassandra
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image: gcr.io/google-samples/cassandra:v13
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imagePullPolicy: Always
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ports:
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- containerPort: 7000
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name: intra-node
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- containerPort: 7001
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name: tls-intra-node
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- containerPort: 7199
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name: jmx
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- containerPort: 9042
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name: cql
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resources:
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limits:
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cpu: "500m"
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memory: 1Gi
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requests:
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cpu: "500m"
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memory: 1Gi
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securityContext:
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capabilities:
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add:
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- IPC_LOCK
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lifecycle:
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preStop:
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exec:
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command:
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- /bin/sh
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- -c
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- nodetool drain
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env:
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- name: MAX_HEAP_SIZE
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value: 512M
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- name: HEAP_NEWSIZE
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value: 100M
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- name: CASSANDRA_SEEDS
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value: "cassandra-0.cassandra.default.svc.cluster.local"
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- name: CASSANDRA_CLUSTER_NAME
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value: "K8Demo"
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- name: CASSANDRA_DC
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value: "DC1-K8Demo"
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- name: CASSANDRA_RACK
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value: "Rack1-K8Demo"
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- name: POD_IP
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valueFrom:
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fieldRef:
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fieldPath: status.podIP
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readinessProbe:
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exec:
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command:
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- /bin/bash
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- -c
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- /ready-probe.sh
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initialDelaySeconds: 15
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timeoutSeconds: 5
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# 这些卷挂载是持久的。它们类似内联申领，但并不完全相同，
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# 因为这些卷挂载的名称需要与 StatefulSet 中某 Pod 卷完全匹配。
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volumeMounts:
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- name: cassandra-data
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mountPath: /cassandra_data
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# 这些将被控制器转换为卷申领，并挂载在上述路径。
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# 请勿将此设置用于生产环境，除非使用了 GCEPersistentDisk 或其他 SSD 持久盘。
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volumeClaimTemplates:
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- metadata:
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name: cassandra-data
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spec:
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accessModes: [ "ReadWriteOnce" ]
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storageClassName: fast
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resources:
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requests:
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storage: 1Gi
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---
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kind: StorageClass
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apiVersion: storage.k8s.io/v1
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metadata:
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name: fast
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provisioner: k8s.io/minikube-hostpath
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parameters:
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type: pd-ssd
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