mirror of
https://github.com/jpetazzo/container.training.git
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b158babb7f
- explain the reason why we have stateful sets - explain the relationship between volumes, persistent volumes, persistent volume claims, volume claim templates - show how to run a Consul cluster with a stateful set
63 lines
1.5 KiB
YAML
63 lines
1.5 KiB
YAML
apiVersion: v1
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kind: Service
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metadata:
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name: consul
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spec:
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ports:
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- port: 8500
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name: http
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selector:
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app: consul
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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: consul
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spec:
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serviceName: consul
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replicas: 3
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selector:
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matchLabels:
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app: consul
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template:
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metadata:
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labels:
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app: consul
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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
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operator: In
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values:
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- consul
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topologyKey: kubernetes.io/hostname
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terminationGracePeriodSeconds: 10
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containers:
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- name: consul
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image: "consul:1.2.2"
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env:
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- name: NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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args:
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- "agent"
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- "-bootstrap-expect=3"
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- "-retry-join=consul-0.consul.$(NAMESPACE).svc.cluster.local"
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- "-retry-join=consul-1.consul.$(NAMESPACE).svc.cluster.local"
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- "-retry-join=consul-2.consul.$(NAMESPACE).svc.cluster.local"
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- "-client=0.0.0.0"
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- "-data-dir=/consul/data"
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- "-server"
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- "-ui"
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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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- consul leave
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