mirror of https://github.com/easzlab/kubeasz.git
62 lines
1.9 KiB
YAML
62 lines
1.9 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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# 寻找etcd集群中第一个健康节点
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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={{ base_dir }}/.cluster/ssl/ca.pem \
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--cert={{ base_dir }}/.cluster/ssl/admin.pem \
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--key={{ base_dir }}/.cluster/ssl/admin-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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- debug: var="ETCD_CLUSTER_STATUS.stdout"
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- name: get a running ectd node
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shell: 'echo -e "{{ ETCD_CLUSTER_STATUS.stdout }}"|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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# 在健康etcd节点上执行数据备份
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- name: 执行etcd 数据备份
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shell: "mkdir -p /etcd_backup && cd /etcd_backup && \
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ETCDCTL_API=3 {{ bin_dir }}/etcdctl snapshot save snapshot.db"
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args:
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warn: false
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delegate_to: "{{ RUNNING_NODE.stdout }}"
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- name: 获取etcd 数据备份
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fetch:
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src: /etcd_backup/snapshot.db
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dest: "{{ base_dir }}/.cluster/backup/"
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flat: yes
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delegate_to: "{{ RUNNING_NODE.stdout }}"
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- hosts:
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- localhost
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tasks:
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- name: Backing up ansible hosts-1
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copy:
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src: "{{ base_dir }}/hosts"
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dest: "{{ base_dir }}/.cluster/backup/hosts"
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register: p
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- name: Backing up ansible hosts-2
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shell: "cd {{ base_dir }}/.cluster/backup && \
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cp -fp hosts hosts-$(date +'%Y%m%d%H%M')"
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when: 'p is changed'
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- name: Backing up etcd snapshot with datetime
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shell: "cd {{ base_dir }}/.cluster/backup && \
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cp -fp snapshot.db snapshot-$(date +'%Y%m%d%H%M').db"
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