Kubernetes:在GCP上部署Cassandra(状态集) [英] Kubernetes: Cassandra(stateful set) deployment on GCP
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问题描述
有人尝试过使用kubernetes(不是GKE)在GCP上部署Cassandra(POC).如果可以的话,您可以分享有关如何使其工作的信息吗?
Has anyone tried deploying Cassandra (POC) on GCP using kubernetes (not GKE). If so can you please share info on how to get it working?
推荐答案
我已经在kubernetes上实现了cassandra.请找到我的部署和服务Yaml文件:
I have implemented cassandra on kubernetes. Please find my deployment and service yaml files:
apiVersion: v1
kind: Service
metadata:
labels:
app: cassandra
name: cassandra
spec:
clusterIP: None
ports:
- port: 9042
selector:
app: cassandra
---
apiVersion: apps/v1beta2
kind: StatefulSet
metadata:
name: cassandra
labels:
app: cassandra
spec:
serviceName: cassandra
replicas: 3
updateStrategy:
type: RollingUpdate
selector:
matchLabels:
app: cassandra
template:
metadata:
labels:
app: cassandra
spec:
terminationGracePeriodSeconds: 1800
containers:
- name: cassandra
image: gcr.io/google-samples/cassandra:v12
imagePullPolicy: Always
ports:
- containerPort: 7000
name: intra-node
- containerPort: 7001
name: tls-intra-node
- containerPort: 7199
name: jmx
- containerPort: 9042
name: cql
resources:
limits:
cpu: "500m"
memory: 1Gi
requests:
cpu: "500m"
memory: 1Gi
securityContext:
capabilities:
add:
- IPC_LOCK
lifecycle:
preStop:
exec:
command:
- /bin/sh
- -c
- nodetool drain
env:
- name: MAX_HEAP_SIZE
value: 512M
- name: HEAP_NEWSIZE
value: 100M
- name: CASSANDRA_SEEDS
value: "cassandra-0.cassandra.default.svc.cluster.local"
- name: CASSANDRA_CLUSTER_NAME
value: "K8Demo"
- name: CASSANDRA_DC
value: "DC1-K8Demo"
- name: CASSANDRA_RACK
value: "Rack1-K8Demo"
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
readinessProbe:
exec:
command:
- /bin/bash
- -c
- /ready-probe.sh
initialDelaySeconds: 15
timeoutSeconds: 5
volumeMounts:
- name: cassandra-data
mountPath: /cassandra_data
volumeClaimTemplates:
- metadata:
name: cassandra-data
spec:
accessModes: [ "ReadWriteOnce" ]
storageClassName: "fast"
resources:
requests:
storage: 5Gi
希望这会有所帮助.
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