37 lines
1.5 KiB
Bash
Executable File
37 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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set -eu
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cd "$(dirname "$0")"
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# TODO: We are using extra space on the remote VPS at the moment for the duplicity backup files.
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# we could eliminate that and simply save duplicity backups to the management machine running the script
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# this could be done by using a local path and mounting it on the remote VPS.
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# maybe something like https://superuser.com/questions/616182/how-to-mount-local-directory-to-remote-like-sshfs
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# step 1: run duplicity on the remote system to backup all files to the remote system.
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# --allow-source-mismatch
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# if the source files to backup don't exist on the remote host, we return.
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if ! ssh "$PRIMARY_WWW_FQDN" "[ -d $REMOTE_SOURCE_BACKUP_PATH ]"; then
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echo "INFO: The path to backup does not exist. There's nothing to backup! That's ok, execution will continue."
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exit 0
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fi
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ssh "$PRIMARY_WWW_FQDN" sudo PASSPHRASE="$DUPLICITY_BACKUP_PASSPHRASE" duplicity "$REMOTE_SOURCE_BACKUP_PATH" "file://$REMOTE_BACKUP_PATH"
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ssh "$PRIMARY_WWW_FQDN" sudo chown -R ubuntu:ubuntu "$REMOTE_BACKUP_PATH"
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SSHFS_PATH="/tmp/sshfs_temp"
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mkdir -p "$SSHFS_PATH"
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# now let's pull down the latest files from the backup directory.
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# create a temp directory to serve as the mountpoint for the remote machine backups directory
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sshfs "$PRIMARY_WWW_FQDN:$REMOTE_BACKUP_PATH" "$SSHFS_PATH"
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# rsync the files from the remote server to our local backup path.
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rsync -av "$SSHFS_PATH/" "$LOCAL_BACKUP_PATH/"
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# step 4: unmount the SSHFS filesystem and cleanup.
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umount "$SSHFS_PATH"
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rm -rf "$SSHFS_PATH"
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