dad95c873b
Use a etcd-initer init container to generate etcd args, it determines etcd name by comparing its ip and etcd cluster ips. This way will make etcd configuration independent to the ansible templating so that could be easier on adding master nodes.
67 lines
2 KiB
Django/Jinja
67 lines
2 KiB
Django/Jinja
---
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kind: DaemonSet
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apiVersion: extensions/v1beta1
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metadata:
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name: contiv-etcd
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namespace: {{ system_namespace }}
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labels:
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k8s-app: contiv-etcd
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spec:
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selector:
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matchLabels:
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k8s-app: contiv-etcd
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template:
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metadata:
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labels:
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k8s-app: contiv-etcd
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annotations:
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scheduler.alpha.kubernetes.io/critical-pod: ''
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spec:
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hostNetwork: true
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hostPID: true
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nodeSelector:
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node-role.kubernetes.io/master: "true"
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tolerations:
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- key: node-role.kubernetes.io/master
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effect: NoSchedule
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initContainers:
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- name: contiv-etcd-init
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image: ferest/etcd-initer:latest
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imagePullPolicy: Always
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env:
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- name: ETCD_INIT_ARGSFILE
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value: '{{ contiv_etcd_conf_dir }}/contiv-etcd-args'
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- name: ETCD_INIT_LISTEN_PORT
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value: '{{ contiv_etcd_listen_port }}'
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- name: ETCD_INIT_PEER_PORT
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value: '{{ contiv_etcd_peer_port }}'
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- name: ETCD_INIT_CLUSTER
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value: '{{ contiv_etcd_endpoints }}'
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- name: ETCD_INIT_DATA_DIR
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value: '{{ contiv_etcd_data_dir }}'
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volumeMounts:
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- name: contiv-etcd-conf-dir
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mountPath: {{ contiv_etcd_conf_dir }}
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containers:
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- name: contiv-etcd
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image: {{ contiv_etcd_image_repo }}:{{ contiv_etcd_image_tag }}
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command:
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- sh
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- -c
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- "/usr/local/bin/etcd $(cat $ETCD_INIT_ARGSFILE)"
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env:
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- name: ETCD_INIT_ARGSFILE
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value: {{ contiv_etcd_conf_dir }}/contiv-etcd-args
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volumeMounts:
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- name: contiv-etcd-conf-dir
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mountPath: {{ contiv_etcd_conf_dir }}
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- name: contiv-etcd-data-dir
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mountPath: {{ contiv_etcd_data_dir }}
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volumes:
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- name: contiv-etcd-data-dir
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hostPath:
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path: {{ contiv_etcd_data_dir }}
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- name: contiv-etcd-conf-dir
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hostPath:
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path: {{ contiv_etcd_conf_dir }}
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