mirror of
https://0xacab.org/liberate/backupninja.git
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121 lines
3.4 KiB
Plaintext
121 lines
3.4 KiB
Plaintext
# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
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#
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# PostgreSQL handler script for backupninja
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#
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getconf backupdir /var/backups/postgres
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getconf databases all
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getconf compress yes
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getconf vsname
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localhost=`hostname`
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# If vservers are configured, decide if the handler should
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# use them or if it should just operate on the host
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if [ "$vservers" == "yes" ]; then
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if [ ! -z $vsname ]; then
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info "using vserver '$vsname'"
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usevserver=1
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else
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info "no vserver name specified, actions will be performed on the host"
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fi
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fi
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# As needed, make sure that :
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# * the specified vserver exists and is running
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# * the specified vserver or host has the needed executables
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if [ $usevserver ]; then
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info "examining vserver '$vsname'"
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# does it exist ?
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vroot="$VROOTDIR/$vsname"
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[ -d $vroot ] || fatal "vserver '$vsname' does not exist at '$vroot'"
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# is it running ?
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running=`$VSERVERINFO $vsname RUNNING`
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if [ "$running" = "1" ]; then
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if [ "$databases" == "all" ]; then
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[ -x "$vroot`$VSERVER $vsname exec which $PGSQLDUMPALL`" ] || \
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fatal "Can't find $PGSQLDUMPALL in vserver $vsname."
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else
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[ -x "$vroot`$VSERVER $vsname exec which $PGSQLDUMP`" ] || \
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fatal "Can't find $PGSQLDUMP in vserver $vsname."
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fi
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else
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fatal "vserver $vsname is not running."
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fi
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else
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if [ "$databases" == "all" ]; then
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[ -x "`which $PGSQLDUMPALL`" ] || \
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fatal "Can't find $PGSQLDUMPALL."
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else
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[ -x "`which $PGSQLDUMP`" ] || \
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fatal "Can't find $PGSQLDUMP."
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fi
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fi
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# create backup dir, the vroot variable will be empty if no vsname was specified
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# and will proceed to operate on the host
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[ -d $vroot$backupdir ] || (debug "mkdir -p $vroot$backupdir"; mkdir -p $vroot$backupdir)
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[ -d $vroot$backupdir ] || fatal "Backup directory '$vroot$backupdir'"
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# give backup dir the good uid and permissions
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# (in respect to the vserver, if $usevserver)
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pguid=`getent passwd postgres | awk -F: '{print $3}'`
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[ -n "$pguid" ] || \
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fatal "No user called postgres`[ $usevserver != 1 ] || echo \" on vserver $vsname\"`."
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debug "chown $pguid $vroot$backupdir"
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chown $pguid $vroot$backupdir
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debug "chmod 700 $vroot$backupdir"
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chmod 700 $vroot$backupdir
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# if $databases = all, use pg_dumpall
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if [ "$databases" == "all" ]; then
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if [ $usevserver ]; then
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execstr="$VSERVER $vsname exec su - postgres -c $PGSQLDUMPALL > $backupdir/${vsname}.sql"
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else
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execstr="su - postgres -c $PGSQLDUMPALL > $backupdir/${localhost}-all.sql"
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fi
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debug "$execstr"
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if [ ! $test ]; then
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output=`$execstr 2>&1`
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code=$?
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if [ "$code" == "0" ]; then
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debug $output
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info "Successfully finished dump of pgsql cluster"
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else
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warning $output
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warning "Failed to dump pgsql cluster"
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fi
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fi
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# else use pg_dump on each specified database
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else
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for db in $databases; do
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if [ $usevserver ]
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then
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execstr="$VSERVER $vsname exec su - postgres -c $PGSQLDUMP $db > $backupdir/${db}.sql"
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else
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execstr="su - postgres -c $PGSQLDUMP $db > $backupdir/${db}.sql"
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fi
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debug "$execstr"
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if [ ! $test ]; then
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output=`$execstr 2>&1`
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code=$?
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if [ "$code" == "0" ]; then
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debug $output
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info "Successfully finished dump of pgsql database ${db}"
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else
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warning $output
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warning "Failed to dump pgsql database ${db}"
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fi
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fi
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done
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fi
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if [ "$compress" == "yes" ]; then
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output=`$GZIP -f $vroot$backupdir/*.sql 2>&1`
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debug $output
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fi
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return 0
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