mirror of https://github.com/easzlab/kubeasz.git
70 lines
2.2 KiB
YAML
70 lines
2.2 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={{ 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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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 }} {{ ETCD_CLUSTER_STATUS.stderr }}"|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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set_fact: temp="{{lookup('pipe','date \"+%Y%m%d_%H%M\"')}}"
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# step2: backup data on the healthy member
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- name: make a backup on etcd node
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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_{{ temp }}.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: fetch the backup data
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fetch:
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src: /etcd_backup/snapshot_{{ temp }}.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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- name: Rename etcd backup file
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shell: "cd {{ base_dir }}/.cluster/backup && \
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cp -fp snapshot_{{ temp }}.db snapshot.db"
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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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