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39 lines
945 B
39 lines
945 B
#!/bin/bash
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PATH=/opt/wamblee/etcd/bin:$PATH
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echo "$0: verifying that etcd is not running"
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if nc -z 127.0.0.1 2379
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then
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echo "$0: etcd port 2379 is already open, skipping restore of data" 1>&2
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exit 0
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fi
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echo "$0: verifying that containerd is running"
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if ! systemctl status containerd > /dev/null 2>&1
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then
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echo "$0: containerd is not running, cannot perform restore" 1>&2
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exit 1
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fi
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echo "$0: verifying that /var/lib/etcd is empty"
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size="$( du -s /var/lib/etcd | awk '{ print $1}' )"
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if [[ "$size" -ne 0 ]]
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then
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echo "$0: /var/lib/etcd is not empty, assuming data left from previous etcd" 1>&2
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exit 0
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fi
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backupfile="$( cd /var/lib/wamblee/etcd; ls -rt *.db | tail -1 )"
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echo "$0: Using backup file '$backupfile' for restore"
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etcd-restore "$backupfile"
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if [[ $? -ne 0 ]]
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then
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echo "$0: restore of etcd failed" 1>&2
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exit 1
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fi
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echo "$0: restore of etcd data finished"
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rsync -avz /var/lib/etcd.restored/ /var/lib/etcd/
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