From 077f1f1201dde4af2a604715d03b9737fe1b4bfb Mon Sep 17 00:00:00 2001
From: "Hahn Axel (hahn)" <axel.hahn@unibe.ch>
Date: Thu, 1 May 2025 15:04:01 +0200
Subject: [PATCH] suport backup of single database or given databases
---
localdump.sh | 33 ++++++++++++++++++++++++---------
plugins/localdump/pgsql.sh | 19 ++++++++++++++++---
2 files changed, 40 insertions(+), 12 deletions(-)
diff --git a/localdump.sh b/localdump.sh
index ca336a6..232d891 100755
--- a/localdump.sh
+++ b/localdump.sh
@@ -20,6 +20,7 @@
# 2024-03-18 ah fix for db detection from file and cli restore
# 2024-10-02 ah reset $rc before calling db plugin
# 2024-12-13 ah set gzip compression from 9 to 4
+# 2025-05-01 ah suport backup of single database or given databases
# ======================================================================
# --- variables:
@@ -341,9 +342,10 @@ OPTIONS:
-h|--help show this help
PARAMETERS:"
- operation - one of check|backup|restore; optional parameter
+ operation - one of backup|check|restore; optional parameter
backup dump all databases/ schemes of a given service
check show info only if the service is available
+ check show info only if the service is available
restore import a dump into same or new database
Without a filename it starts an interactive mode
profile - name of database profiles
@@ -354,17 +356,23 @@ PARAMETERS:"
EXAMPLES:
$_self backup
$_self backup ALL
- Backup all databases of all found services
+ Backup all databases of all found services
$_self backup mysql
- Backup all Mysql databases.
+ Backup all Mysql databases.
+
+ $_self backup mysql wordpress
+ Backup all Mysql database "wordpress" only
+
+ $_self check
+ Show debug info of profile detection for avalable databases
$_self restore
- Start interactive restore of a database of any service.
+ Start interactive restore of a database of any service.
$_self restore sqlite
- Start interactive restore of an sqlite database.
+ Start interactive restore of an sqlite database.
$_self restore <file-to-restore> [<database-name>]
- Restore a given dump file to the origin database scheme or
- to a new/ other database with the given name.
+ Restore a given dump file to the origin database scheme or
+ to a new/ other database with the given name.
EOH
}
@@ -494,8 +502,10 @@ EOH
h3 "BACKUP [${PROFILENAME}] -> ${SERVICENAME}"
rcbak=$rc
rc=0
- . $BACKUP_SCRIPT $mode
-
+
+ databaselist="$( sed "s#^$SERVICENAME##" <<< $*)"
+ . $BACKUP_SCRIPT $mode $databaselist
+
test $rc -gt 0 && j_notify "db ${SERVICENAME}" "$BACKUP_SCRIPT $mode was finished with rc=$rc" $rc
_j_runHooks "230-after-db-service" "$rc"
@@ -507,6 +517,11 @@ EOH
show_info_backup_target
rc=$rc+$rcbak
+
+ if grep -q "." <<< "$databaselist"; then
+ echo "Stopping here after handling $SERVICENAME and do not process other profiles."
+ break
+ fi
else
diff --git a/plugins/localdump/pgsql.sh b/plugins/localdump/pgsql.sh
index b3ce015..3a79779 100755
--- a/plugins/localdump/pgsql.sh
+++ b/plugins/localdump/pgsql.sh
@@ -18,6 +18,7 @@
# 2024-12-16 ah v1.7 on snapshot mode it can fallback for single database to normal pg_dump of origin
# 2024-12-17 ah v1.8 handle env variables to disable snapshots or set times for disconnect
# 2025-02-03 ah v1.9 pg_dump in temp directory; dump file will be moved to backup dir
+# 2025-05-01 ah v1.10 suport backup of single database or given databases
# ================================================================================
if [ -z "$BACKUP_TARGETDIR" ]; then
@@ -38,6 +39,12 @@ fi
# FUNCTION
# --------------------------------------------------------------------------------
+# get a list of existing databases
+function pgsql.list(){
+ sSqlGetDblist="select datname from pg_database where not datistemplate and datallowconn order by datname;"
+ su ${PGUSER} -c "psql ${BACKUP_PARAMS} -At -c '$sSqlGetDblist' postgres" 2>/dev/null | grep -v "^$snapshotprefix"
+}
+
# backup all databases
function pgsql.backup(){
@@ -77,7 +84,7 @@ function pgsql.backup(){
bUseSnapshot=0
else
# Detect a readonly or writeable postgres host.
- TESTDB="imlbackup_createtest"
+ TESTDB="imlbackup_createtest_${snapshotprefix}"
su ${PGUSER} -c "dropdb ${TESTDB}" >/dev/null 2>&1
if su ${PGUSER} -c "psql ${BACKUP_PARAMS} -c \"CREATE DATABASE ${TESTDB};\"" >/dev/null 2>&1
then
@@ -99,8 +106,14 @@ function pgsql.backup(){
fi
fi
- sSqlGetDblist="select datname from pg_database where not datistemplate and datallowconn order by datname;"
- for DATABASE in $( su ${PGUSER} -c "psql ${BACKUP_PARAMS} -At -c '$sSqlGetDblist' postgres" 2>/dev/null | grep -v "^$snapshotprefix" )
+ sDBList="$*"
+ if [ -z "$sDBList" ]; then
+ sDBList="$( pgsql.list )"
+ echo "INFO: found databases:"
+ sed "s#^# - #g" <<< "$sDBList"
+ fi
+
+ for DATABASE in $sDBList
do
echo -n "__DB__${SERVICENAME} backup $DATABASE ... "
--
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