Update pgbackrest wrapper to support multiple repositories in the selection

ReadMe.md

@@ -25,7 +25,7 @@ This file holds the sudo_user for calling the commands
 
 ```ini
 [PgBackRest]
-sudo_user=pgbackrest
+sudo_user=postgres
 ```
 
 ### `config/stanza.cfg`
@@ -34,8 +34,11 @@ Example file is `stanza.sample.cfg`
 
 This files holds the stanzas to backup
 
+If the stanza has several repo settings as in "repo1-...", "repo2-..." then the repo to target can be listed in here by ":repo number"
+
 ```ini
 [stanzas]
 stanza_a
-stanza_b
+stanza_b:1
+stanza_b:2
 ```

bin/pgbackrest_backup.sh

@@ -113,6 +113,12 @@ while getopts ":b:s:lt" opt; do
 	esac;
 done;
 
+## check if OVERIDE_STANZA has a repo target flag set, get the name only for checks
+OVERRIDE_STANZA_NAME="";
+if [ -n "${OVERRIDE_STANZA}" ]; then
+	OVERRIDE_STANZA_NAME=$(echo "${OVERRIDE_STANZA}" | cut -d ":" -f 1);
+fi;
+
 ## SCRIPT
 
 if [ $TEST -eq 1 ]; then
@@ -121,9 +127,6 @@ fi;
 
 if [ $LIST_STANZA -eq 1 ]; then
 	echo "+ Stanza List:";
-	for stanza in ${stanza_list}; do
-		echo "${stanza}";
-	done;
 	while read -r stanza; do
 		# skip empty
 		[ -z "${stanza}" ] && continue;
@@ -131,15 +134,25 @@ if [ $LIST_STANZA -eq 1 ]; then
 		[[ "${stanza}" =~ ${REGEX_COMMENT} ]] && continue;
 		# skip the ini header blocks
 		[[ "${stanza}" =~ ${INI_BLOCK} ]] && continue;
+		# split the stanz int stanza and stanza repo list
+		stanza_name=$(echo "${stanza}" | cut -d ":" -f 1);
+		stanza_repo=$(echo "${stanza}" | awk -F':' '{print (NF>1) ? $2 : ""}');
 		# if override stanza matching
-		if [ "${stanza}" = "${OVERRIDE_STANZA}" ]; then
+		if [ "${stanza_name}" = "${OVERRIDE_STANZA_NAME}" ]; then
-			echo "[*] ${stanza}";
+			OVERRIDE_STANZA_REPO=$(echo "${OVERRIDE_STANZA}" | awk -F':' '{print (NF>1) ? $2 : ""}');
+			if [ -n "${OVERRIDE_STANZA_REPO}" ] && [ -n "${stanza_repo}" ] && [ "${stanza_repo}" = "${OVERRIDE_STANZA_REPO}" ]; then
+				echo "[*] ${stanza}";
+			elif [ -z "${OVERRIDE_STANZA_REPO}" ]; then
+				echo "[*] ${stanza}";
+			else
+				echo "[ ] ${stanza}";
+			fi;
 		else
 			echo "[ ] ${stanza}";
 		fi;
 	done <<< "$(cat "${stanza_file}")";
 	echo "";
-	echo "Entry marked with '*' is set as override stanza, and will be the only one backed up";
+	echo "Entry marked with '*' is set as override stanza, and will be the only ones backed up";
 	echo "";
 	exit;
 fi;
@@ -155,29 +168,6 @@ if [ "${BACKUP_TYPE}" != "full" ] && [ "${BACKUP_TYPE}" != "diff" ]; then
 fi;
 
 echo "* PgBackrest Backup run type '${BACKUP_TYPE}' on $(date +'%F')";
-SET_OVERRIDE_STANZA=0;
-# if we have override single host
-if [ -n "${OVERRIDE_STANZA}" ]; then
-	echo "+ Set override stanza too: ${OVERRIDE_STANZA}";
-	while read -r stanza; do
-		# skip empty
-		[ -z "${stanza}" ] && continue;
-		# skip starting with #
-		[[ "${stanza}" =~ ${REGEX_COMMENT} ]] && continue;
-		# skip the ini header blocks
-		[[ "${stanza}" =~ ${INI_BLOCK} ]] && continue;
-		# if override stanza matching
-		if [ "${stanza}" = "${OVERRIDE_STANZA}" ]; then
-			stanza_list="${OVERRIDE_STANZA}";
-			SET_OVERRIDE_STANZA=1;
-			break;
-		fi;
-	done <<< "$(cat "${stanza_file}")";
-	if [ $SET_OVERRIDE_STANZA = 0 ]; then
-		echo "[!!!] Failed to set override stanza: ${OVERRIDE_STANZA}";
-		exit;
-	fi;
-fi;
 # run backup
 while read -r stanza; do
 	# skip empty
@@ -186,23 +176,44 @@ while read -r stanza; do
 	[[ "${stanza}" =~ ${REGEX_COMMENT} ]] && continue;
 	# skip the ini header blocks
 	[[ "${stanza}" =~ ${INI_BLOCK} ]] && continue;
+	# split into the name and repo list
+	stanza_name=$(echo "${stanza}" | cut -d ":" -f 1);
+	stanza_repo=$(echo "${stanza}" | awk -F':' '{print (NF>1) ? $2 : ""}');
 	# override stanza check
 	if [ -n "${OVERRIDE_STANZA}" ]; then
-		if [ "${stanza}" != "${OVERRIDE_STANZA}" ]; then
+		# skip if not matching name
+		if [ "${stanza_name}" != "${OVERRIDE_STANZA_NAME}" ]; then
 			continue
 		fi;
+		# if we have repo set, check if repo is matching
+		OVERRIDE_STANZA_REPO=$(echo "${OVERRIDE_STANZA}" | awk -F':' '{print (NF>1) ? $2 : ""}');
+		if [ -n "${OVERRIDE_STANZA_REPO}" ] && [ -n "${stanza_repo}" ] && [ "${stanza_repo}" != "${OVERRIDE_STANZA_REPO}" ]; then
+			continue
+		fi;
+		# set repo from override
+		stanza_repo="${OVERRIDE_STANZA_REPO}";
 	fi;
+	# build the call command
+	CALL=(
+		"sudo" "-u" "${sudo_user}"
+		"pgbackrest" "--type=${BACKUP_TYPE}" "--stanza=${stanza}"
+	);
+	if [ -n "${stanza_repo}" ]; then
+		CALL=("${CALL[@]}" "--repo=${stanza_repo}");
+	fi;
+	CALL=("${CALL[@]}" "backup");
 	# main backup start
 	START=$(date +'%s');
 	# shellcheck disable=SC2059
 	printf "${PRINTF_BLOCK}" "START" "$(date +'%F %T')" "${stanza}";
 	# --log-level-console=info
 	if [ $TEST -eq 1 ]; then
-		echo "sudo -u ${sudo_user} pgbackrest --type=${BACKUP_TYPE} --stanza=${stanza} backup;";
+		echo "${CALL[@]}";
 	else
-		sudo -u "${sudo_user}" pgbackrest --type="${BACKUP_TYPE}" --stanza="${stanza}" backup;
+		# sudo -u "${sudo_user}" pgbackrest --type="${BACKUP_TYPE}" --stanza="${stanza}" ${option_repo} backup;
+		"${CALL[@]}";
 	fi;
-	DURATION=$(( $(date +'%s')-START ));
+	DURATION=$(( $(date +'%s') - START ));
 	# shellcheck disable=SC2059
 	printf "${PRINTF_BLOCK}" "END" "$(convert_time ${DURATION})" "${stanza}";
 done <<< "$(cat "${stanza_file}")";

config/pgbackrest.sample.cfg

@@ -1,2 +1,2 @@
 [PgBackRest]
-sudo_user=pgbackrest
+sudo_user=postgres

config/stanza.sample.cfg

@@ -1,3 +1,4 @@
 [stanzas]
 stanza_a
-stanza_b
+stanza_b:1
+stanza_b:2