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https://github.com/kevinveenbirkenbach/computer-playbook.git
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37 lines
1.3 KiB
Bash
37 lines
1.3 KiB
Bash
#!/bin/bash
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# @param $1 hostname from which backup should be pulled
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# error counter
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errors=0
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source_host="backup@$1"
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source_machine_id="$( (ssh "$source_host" sha256sum /etc/machine-id) | head -c 64)" || exit 1
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source_path="/Backups/$source_machine_id/"
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directories="$(ssh "$source_host" find "$source_path" -maxdepth 1 -type d)" || exit 1
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for folder in $directories; do
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if [ "$folder" != "$source_path" ]; then
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# this folder is neccessary to make restricted rsync possible:
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diff_current="$folder/diffs/current/"
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# this is the folder where the diffs will be copied to:
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diff_store="$folder/diffs/$(date '+%Y%m%d%H%M%S')/"
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# this is the folder which contains the actual backup:
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latest_path="$folder/latest/"
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# source path of the backup files:
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remote_source_path="$source_host:$latest_path"
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# file in which the logs will be saved:
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log_path="$folder/log.txt"
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# create working folders:
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mkdir -vp "$latest_path"
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mkdir -vp "$diff_store"
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rm -vr "$diff_current"
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mkdir -vp "$diff_current"
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# do backup:
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rsync -abP --delete --delete-excluded --rsync-path="sudo rsync" --log-file="$log_path" --backup-dir="$diff_current" "$remote_source_path" "$latest_path" || ((errors+=1));
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mv -v "$diff_current"* "$diff_store"
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fi
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done
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exit $errors;
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