157 lines
4.2 KiB
YAML
157 lines
4.2 KiB
YAML
##############################################################################
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# M3DB Node — Headless Service (for StatefulSet DNS)
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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: m3dbnode
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namespace: m3db
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labels:
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app.kubernetes.io/name: m3dbnode
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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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ports:
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- name: client
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port: 9000
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targetPort: 9000
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- name: cluster
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port: 9001
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targetPort: 9001
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- name: http-node
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port: 9002
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targetPort: 9002
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- name: http-cluster
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port: 9003
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targetPort: 9003
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- name: debug
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port: 9004
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targetPort: 9004
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- name: coordinator
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port: 7201
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targetPort: 7201
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selector:
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app.kubernetes.io/name: m3dbnode
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---
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##############################################################################
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# M3DB Node StatefulSet
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# 3 replicas — one per availability zone / node for HA
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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: m3dbnode
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namespace: m3db
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labels:
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app.kubernetes.io/name: m3dbnode
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app.kubernetes.io/part-of: m3db
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spec:
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serviceName: m3dbnode
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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: m3dbnode
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template:
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metadata:
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labels:
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app.kubernetes.io/name: m3dbnode
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app.kubernetes.io/part-of: m3db
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annotations:
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prometheus.io/scrape: "true"
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prometheus.io/port: "7203"
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spec:
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affinity:
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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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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- m3dbnode
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topologyKey: kubernetes.io/hostname
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securityContext:
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fsGroup: 65534
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terminationGracePeriodSeconds: 120
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containers:
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- name: m3dbnode
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image: quay.io/m3db/m3dbnode:v1.5.0
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imagePullPolicy: IfNotPresent
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args:
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- "-f"
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- "/etc/m3db/m3dbnode.yml"
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ports:
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- containerPort: 9000
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name: client
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- containerPort: 9001
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name: cluster
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- containerPort: 9002
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name: http-node
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- containerPort: 9003
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name: http-cluster
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- containerPort: 9004
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name: debug
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- containerPort: 7201
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name: coordinator
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- containerPort: 7203
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name: metrics
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volumeMounts:
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- name: m3db-data
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mountPath: /var/lib/m3db
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- name: m3db-config
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mountPath: /etc/m3db
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- name: cache-dir
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mountPath: /var/lib/m3kv
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resources:
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requests:
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cpu: "4"
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memory: 8Gi
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limits:
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cpu: "8"
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memory: 20Gi
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livenessProbe:
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httpGet:
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path: /health
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port: 9002
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initialDelaySeconds: 60
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periodSeconds: 15
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timeoutSeconds: 5
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failureThreshold: 5
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readinessProbe:
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httpGet:
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path: /health
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port: 9002
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initialDelaySeconds: 30
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periodSeconds: 10
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timeoutSeconds: 5
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failureThreshold: 3
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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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- "sleep 30" # allow in-flight writes to drain
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volumes:
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- name: m3db-config
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configMap:
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name: m3db-config
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- name: cache-dir
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emptyDir: {}
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volumeClaimTemplates:
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- metadata:
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name: m3db-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: 100Gi # Adjust based on retention & cardinality
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