mirror of https://github.com/easzlab/kubeasz.git
49 lines
1.7 KiB
YAML
49 lines
1.7 KiB
YAML
# cluster-backup playbook
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# read the guide: 'op/cluster_restore.md'
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- hosts:
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- localhost
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tasks:
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# step1: find a healthy member in the etcd cluster
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- name: set NODE_IPS of the etcd cluster
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set_fact: NODE_IPS="{% for host in groups['etcd'] %}{{ host }} {% endfor %}"
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- name: get etcd cluster status
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shell: 'for ip in {{ NODE_IPS }};do \
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ETCDCTL_API=3 {{ base_dir }}/bin/etcdctl \
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--endpoints=https://"$ip":2379 \
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--cacert={{ cluster_dir }}/ssl/ca.pem \
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--cert={{ cluster_dir }}/ssl/etcd.pem \
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--key={{ cluster_dir }}/ssl/etcd-key.pem \
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endpoint health; \
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done'
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register: ETCD_CLUSTER_STATUS
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ignore_errors: true
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- debug: var="ETCD_CLUSTER_STATUS"
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- name: get a running ectd node
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shell: 'echo -e "{{ ETCD_CLUSTER_STATUS.stdout }}" \
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"{{ ETCD_CLUSTER_STATUS.stderr }}" \
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|grep "is healthy"|sed -n "1p"|cut -d: -f2|cut -d/ -f3'
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register: RUNNING_NODE
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- debug: var="RUNNING_NODE.stdout"
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- name: get current time
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shell: "date +'%Y%m%d%H%M'"
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register: timestamp
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# step2: backup data to the ansible node
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- name: make a backup on the etcd node
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shell: "mkdir -p {{ cluster_dir }}/backup && cd {{ cluster_dir }}/backup && \
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ETCDCTL_API=3 {{ base_dir }}/bin/etcdctl \
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--endpoints=https://{{ RUNNING_NODE.stdout }}:2379 \
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--cacert={{ cluster_dir }}/ssl/ca.pem \
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--cert={{ cluster_dir }}/ssl/etcd.pem \
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--key={{ cluster_dir }}/ssl/etcd-key.pem \
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snapshot save snapshot_{{ timestamp.stdout }}.db"
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- name: update the latest backup
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shell: 'cd {{ cluster_dir }}/backup/ && /bin/cp -f snapshot_{{ timestamp.stdout }}.db snapshot.db'
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