biondizzle
a8469f79d7
- Remove duplicate db.metrics section (port 7203 conflict) - Fix coordinator health endpoint (/health not /api/v1/services/m3db/health) - Update README: remove NodePort references, always use LoadBalancer - Add bootstrap instructions (workaround for init job chicken-and-egg) - Fix test-metrics.sh: correct health endpoint and JSON parsing
116 lines
3.2 KiB
YAML
116 lines
3.2 KiB
YAML
##############################################################################
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# etcd cluster for M3DB placement & topology
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# M3DB requires etcd for cluster coordination
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##############################################################################
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apiVersion: v1
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kind: Service
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metadata:
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name: etcd
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namespace: m3db
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labels:
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app.kubernetes.io/name: etcd
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app.kubernetes.io/part-of: m3db
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spec:
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clusterIP: None
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publishNotReadyAddresses: true
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ports:
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- name: client
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port: 2379
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targetPort: 2379
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- name: peer
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port: 2380
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targetPort: 2380
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selector:
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app.kubernetes.io/name: etcd
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---
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: etcd
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namespace: m3db
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labels:
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app.kubernetes.io/name: etcd
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app.kubernetes.io/part-of: m3db
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spec:
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serviceName: etcd
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replicas: 3
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podManagementPolicy: Parallel
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selector:
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matchLabels:
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app.kubernetes.io/name: etcd
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template:
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metadata:
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labels:
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app.kubernetes.io/name: etcd
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app.kubernetes.io/part-of: m3db
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spec:
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affinity:
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podAntiAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/name
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operator: In
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values:
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- etcd
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topologyKey: kubernetes.io/hostname
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containers:
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- name: etcd
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image: quay.io/coreos/etcd:v3.5.15
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ports:
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- containerPort: 2379
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name: client
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- containerPort: 2380
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name: peer
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env:
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- name: POD_NAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.name
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command:
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- etcd
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args:
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- --name=$(POD_NAME)
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- --listen-peer-urls=http://0.0.0.0:2380
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- --listen-client-urls=http://0.0.0.0:2379
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- --advertise-client-urls=http://$(POD_NAME).etcd.m3db.svc.cluster.local:2379
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- --initial-advertise-peer-urls=http://$(POD_NAME).etcd.m3db.svc.cluster.local:2380
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- --initial-cluster=etcd-0=http://etcd-0.etcd.m3db.svc.cluster.local:2380,etcd-1=http://etcd-1.etcd.m3db.svc.cluster.local:2380,etcd-2=http://etcd-2.etcd.m3db.svc.cluster.local:2380
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- --initial-cluster-state=new
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- --data-dir=/var/lib/etcd/data
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- --auto-compaction-retention=1
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volumeMounts:
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- name: etcd-data
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mountPath: /var/lib/etcd
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resources:
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requests:
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cpu: 200m
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memory: 256Mi
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limits:
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cpu: 500m
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memory: 512Mi
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livenessProbe:
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httpGet:
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path: /health
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port: 2379
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initialDelaySeconds: 15
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periodSeconds: 10
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readinessProbe:
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httpGet:
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path: /health
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port: 2379
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initialDelaySeconds: 5
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periodSeconds: 5
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volumeClaimTemplates:
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- metadata:
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name: etcd-data
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spec:
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storageClassName: vultr-block-storage-m3db
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accessModes: ["ReadWriteOnce"]
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resources:
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requests:
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storage: 10Gi
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