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https://github.com/kevinveenbirkenbach/computer-playbook.git
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62 lines
2.4 KiB
Bash
62 lines
2.4 KiB
Bash
#!/bin/bash
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# @param $1 hostname from which backup should be pulled
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echo "pulling backups from: $1" &&
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# error counter
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errors=0 &&
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echo "loading meta data..." &&
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remote_host="backup@$1" &&
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echo "host address: $remote_host" &&
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remote_machine_id="$( (ssh "$remote_host" sha256sum /etc/machine-id) | head -c 64 )" &&
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echo "remote machine id: $remote_machine_id" &&
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general_backup_machine_dir="/Backups/$remote_machine_id/" &&
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echo "backup dir: $general_backup_machine_dir" &&
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remote_backup_types="$(ssh "$remote_host" "find $general_backup_machine_dir -maxdepth 1 -type d -execdir basename {} ;")" &&
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echo "backup types: $remote_backup_types" || exit 1
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for backup_type in $remote_backup_types; do
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if [ "$backup_type" != "$remote_machine_id" ]; then
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echo "backup type: $backup_type" &&
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general_backup_type_dir="$general_backup_machine_dir""$backup_type/" &&
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general_versions_dir="$general_backup_type_dir" &&
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local_previous_version_dir="$(ls -d $general_versions_dir* | tail -1)" &&
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echo "last local backup: $local_previous_version_dir" &&
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remote_backup_versions="$(ssh "$remote_host" ls -d "$general_backup_type_dir"\*)" &&
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echo "remote backup versions: $remote_backup_versions" &&
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remote_last_backup_dir=$(echo "$remote_backup_versions" | tail -1) &&
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echo "last remote backup: $remote_last_backup_dir" &&
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remote_source_path="$remote_host:$remote_last_backup_dir/" &&
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echo "source path: $remote_source_path" &&
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local_backup_destination_path=$remote_last_backup_dir &&
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echo "backup destination: $local_backup_destination_path" &&
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echo "creating local backup destination folder..." &&
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mkdir -vp "$local_backup_destination_path" &&
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status_pulling_file="$local_backup_destination_path/.pulling" &&
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echo "creating: $status_pulling_file" &&
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echo "pulling backup since $(date)" > $status_pulling_file &&
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echo "starting backup..." &&
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rsync_command='rsync -abP --delete --delete-excluded --rsync-path="sudo rsync" --link-dest="'$local_previous_version_dir'" "'$remote_source_path'" "'$local_backup_destination_path'"' &&
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echo "executing: $rsync_command" &&
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eval "$rsync_command" &&
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echo "removing: $status_pulling_file" &&
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rm -vf $status_pulling_file || ((errors+=1));
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fi
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done
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exit $errors;
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