97 lines
3.0 KiB
YAML
97 lines
3.0 KiB
YAML
---
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apiVersion: v1
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kind: Pod
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metadata:
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name: auxiliary-etcd
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namespace: kube-system
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labels:
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component: auxiliary-etcd
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promenade: genesis
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spec:
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hostNetwork: true
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containers:
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{%- with etcd_name = 'auxiliary-0', client_port = 12379, peer_port = 12380 %}
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{% include "genesis-etcd/server-container.yaml" with context %}
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{%- endwith %}
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{%- with etcd_name = 'auxiliary-1', client_port = 22379, peer_port = 22380 %}
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{% include "genesis-etcd/server-container.yaml" with context %}
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{%- endwith %}
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- name: monitor
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image: {{ config['Genesis:images.kubernetes.etcd'] }}
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command:
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- /bin/sh
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- -c
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- |-
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set -x
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function external_member_count() {
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etcdctl member list \
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| grep '\bstarted\b' \
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| grep -Ev "\\b({{ config['Genesis:hostname'] }}|auxiliary-0|auxiliary-1)\\b" \
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| wc -l
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}
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function remove_if_possible() {
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MEMBER_NAME=$1
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MEMBER_ID=$(etcdctl member list | grep "${MEMBER_NAME}" | awk -F ', ' '{ print $1 }')
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if [ -n "${MEMBER_ID}" ]; then
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etcdctl member remove $MEMBER_ID
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fi
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}
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# NOTE(mark-burnett): If there are any non-genesis members, then we are ready to
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# remove the auxiliary members. Otherwise, wait.
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while [ ! "$(external_member_count)" -gt 0 ]; do
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sleep 10
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done
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# NOTE(mark-burnett): Failures beyond this point are unexpected, but
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# should be recovered by restarting this container.
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set -e
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remove_if_possible auxiliary-0
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remove_if_possible auxiliary-1
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rm -rf \
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/var/lib/etcd/auxiliary-0 \
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/var/lib/etcd/auxiliary-1 \
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/manifests/auxiliary-kubernetes-etcd.yaml
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sleep 10000
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env:
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- name: ETCDCTL_API
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value: '3'
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- name: ETCDCTL_DIAL_TIMEOUT
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value: 3s
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- name: ETCDCTL_ENDPOINTS
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value: https://127.0.0.1:2379
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- name: ETCDCTL_CACERT
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value: /etc/etcd/pki/client-ca.pem
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- name: ETCDCTL_CERT
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value: /etc/etcd/pki/etcd-client.pem
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- name: ETCDCTL_KEY
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value: /etc/etcd/pki/etcd-client-key.pem
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volumeMounts:
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- name: all-etcd-data
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mountPath: /var/lib/etcd
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- name: pki-auxiliary-0
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mountPath: /etc/etcd/pki
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- name: manifest
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mountPath: /manifests
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volumes:
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{%- with etcd_name = 'auxiliary-0', client_port = 12379, peer_port = 12380, volume_name = 'auxiliary-0' %}
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{% include "genesis-etcd/common-volumes.yaml" with context %}
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{%- endwith %}
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{%- with etcd_name = 'auxiliary-1', client_port = 22379, peer_port = 22380, volume_name = 'auxiliary-1' %}
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{% include "genesis-etcd/common-volumes.yaml" with context %}
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{%- endwith %}
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- name: manifest
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hostPath:
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path: /etc/kubernetes/manifests
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- name: all-etcd-data
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hostPath:
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path: /var/lib/etcd
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...
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