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solved pull backup bugs
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@ -25,3 +25,4 @@ To track what the service is doing execute the following command:
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## see
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- https://superuser.com/questions/363444/how-do-i-get-the-output-and-exit-value-of-a-subshell-when-using-bash-e
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- https://gist.github.com/otkrsk/b0ffd4018e8a79b9010c461af298471e
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- https://serverfault.com/questions/304125/rsync-seems-incompatible-with-bashrc-causes-is-your-shell-clean
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@ -1,13 +1,24 @@
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#!/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 )" || exit 1
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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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remote_backup_types="$(ssh "$remote_host" find "$general_backup_machine_dir" -maxdepth 1 -type d -execdir basename {} ';')" || exit 1
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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 {} ;")" || exit 1
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echo "backuptypes: $remote_backup_types"
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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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@ -25,11 +36,13 @@ for backup_type in $remote_backup_types; do
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#identifiy previous version
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local_versions=( $(basename -a "$general_versions_dir"*/ | sort) )|| exit 1
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local_last_version="${local_versions[-1]}" || exit 1
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local_previous_version_dir="$general_versions_dir""$last_version/"
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local_previous_version_dir="$general_versions_dir""$local_last_version/"
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# source path of the backup files:
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remote_last_version_dir="$(readlink -f $general_latest_version_link)"
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remote_last_version_dir="$(ssh "$remote_host" readlink -f $general_latest_version_link)"
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echo "last remote backup: $remote_last_version_dir"
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remote_source_path="$remote_host:$remote_last_version_dir/"
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echo "source path: $remote_source_path"
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# create working folders:
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mkdir -vp "$local_latest_version_dir"
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@ -40,10 +53,12 @@ for backup_type in $remote_backup_types; do
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# create links
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ln -vs "$local_latest_version_dir" "$general_latest_version_link" || exit 1
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ln -vs "$local_previous_version_dir" "$local_previous_version_link"|| exit 1
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ln -vs "$local_previous_version_dir" "$local_previous_version_link" || exit 1
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# do backup:
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rsync -abP --delete --delete-excluded --rsync-path="sudo rsync" --link-dest="$local_previous_version_link" "$remote_source_path" "$general_latest_version_link" || ((errors+=1));
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rsync_command='rsync -abP --delete --delete-excluded --rsync-path="sudo rsync" --link-dest="'$local_previous_version_link'" "'$remote_source_path'" "'$general_latest_version_link'"'
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echo "executing: $rsync_command"
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eval "$rsync_command" || ((errors+=1));
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fi
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done
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exit $errors;
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@ -8,6 +8,7 @@
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copy:
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src: pull-remote-backup.sh
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dest: "{{docker_pull_primary_backups_folder}}pull-remote-backup.sh"
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mode: 0755
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- name: create pull-remote-backups.service
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template: src=pull-remote-backups.service.j2 dest=/etc/systemd/system/pull-remote-backups.service
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@ -18,4 +19,8 @@
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notify: restart pull-remote-backups timer
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- name: create pull-remote-backups.sh
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template: src=pull-remote-backups.sh.j2 dest={{docker_pull_primary_backups_folder}}pull-remote-backups.sh
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template:
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src: pull-remote-backups.sh.j2
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dest: "{{docker_pull_primary_backups_folder}}pull-remote-backups.sh"
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mode: 0755
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@ -3,6 +3,6 @@
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hosts="{{pull_remote_backups_hosts}}";
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errors=0
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for host in $hosts; do
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bash {{docker_pull_primary_backups_folder}}/pull-remote-backup.sh $host || ((errors+=1));
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bash {{docker_pull_primary_backups_folder}}pull-remote-backup.sh $host || ((errors+=1));
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done;
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exit $errors;
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@ -8,10 +8,10 @@ fi
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# define executable commands
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get_hashed_machine_id="sha256sum /etc/machine-id";
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get_backup_types="find /Backups/{{hashed_machine_id.stdout}}/ -maxdepth 1 -type d -execdir basename {} ';'";
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get_backup_types="find /Backups/{{hashed_machine_id.stdout}}/ -maxdepth 1 -type d -execdir basename {} ;";
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# @todo This configuration is not scalable yet. If other backup services then docker-volume-backup are integrated, this logic needs to be optimized
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get_static_last_version_dir="readlink -f /Backups/{{hashed_machine_id.stdout}}/docker-volume-backup/latest/"
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get_static_last_version_dir="readlink -f /Backups/{{hashed_machine_id.stdout}}/docker-volume-backup/latest"
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rsync_command="sudo rsync --server --sender -blogDtpre.iLsfxCIvu . $($get_static_last_version_dir)/"
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# filter commands
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