fixed autotools build, broken since r466, inhandlers/Makefile.am

[matthijs/upstream/backupninja.git] / handlers / pgsql.in

diff --git a/handlers/pgsql.in b/handlers/pgsql.in
new file mode 100644 (file)
index 0000000..23e2c2b
--- /dev/null
+++ b/handlers/pgsql.in
@@ -0,0 +1,136 @@
+# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
+#
+# PostgreSQL handler script for backupninja
+#
+
+getconf backupdir /var/backups/postgres
+getconf databases all
+getconf compress yes
+getconf vsname
+
+localhost=`hostname`
+
+# Decide if the handler should operate on a vserver or on the host.
+# In the former case, check that $vsname exists and is running.
+local usevserver=no
+local vroot
+if [ $vservers_are_available = yes ]; then
+   if [ -n "$vsname" ]; then
+      # does it exist ?
+      if ! vservers_exist "$vsname" ; then
+         fatal "The vserver given in vsname ($vsname) does not exist."
+      fi
+      # is it running ?
+      $VSERVERINFO -q $vsname RUNNING
+      if [ $? -ne 0 ]; then
+         fatal "The vserver $vsname is not running."
+      fi
+      # everything ok
+      info "Using vserver '$vsname'."
+      usevserver=yes
+      vroot="$VROOTDIR/$vsname"
+   else
+      info "No vserver name specified, actions will be performed on the host."
+   fi
+fi
+
+# Make sure that the system to backup has the needed executables
+if [ $usevserver = yes ]; then
+   debug "Examining vserver '$vsname'."
+   if [ "$databases" == "all" ]; then
+      [ -x "$vroot`$VSERVER $vsname exec which $PGSQLDUMPALL`" ] || \
+        fatal "Can't find $PGSQLDUMPALL in vserver $vsname."
+   else
+      [ -x "$vroot`$VSERVER $vsname exec which $PGSQLDUMP`" ] || \
+        fatal "Can't find $PGSQLDUMP in vserver $vsname."
+   fi
+else
+   if [ "$databases" == "all" ]; then
+      [ -x "`which $PGSQLDUMPALL`" ] || \
+        fatal "Can't find $PGSQLDUMPALL."
+   else
+      [ -x "`which $PGSQLDUMP`" ] || \
+        fatal "Can't find $PGSQLDUMP."
+   fi
+fi
+
+# create backup dir, the vroot variable will be empty if no vsname was specified
+# and will proceed to operate on the host
+[ -d $vroot$backupdir ] || (debug "mkdir -p $vroot$backupdir"; mkdir -p $vroot$backupdir)
+[ -d $vroot$backupdir ] || fatal "Backup directory '$vroot$backupdir'"
+
+# give backup dir the good uid and permissions
+# (in respect to the vserver, if $usevserver = yes)
+if [ $usevserver = yes ]; then
+   pguid=`$VSERVER $vsname exec getent passwd $PGSQLUSER | @AWK@ -F: '{print $3}'`
+else
+   pguid=`getent passwd $PGSQLUSER | @AWK@ -F: '{print $3}'`
+fi
+[ -n "$pguid" ] || \
+    fatal "No user called $PGSQLUSER`[ $usevserver = no ] || echo \" on vserver $vsname\"`."
+debug "chown $pguid $vroot$backupdir"
+chown $pguid $vroot$backupdir
+debug "chmod 700 $vroot$backupdir"
+chmod 700 $vroot$backupdir
+
+# if $databases = all, use pg_dumpall
+if [ "$databases" == "all" ]; then
+    if [ $usevserver = yes ]; then
+       if [ "$compress" == "yes" ]; then          
+          execstr="$VSERVER $vsname exec su - $PGSQLUSER -c \"$PGSQLDUMPALL | $GZIP > $backupdir/${vsname}.sql.gz\""
+       else
+          execstr="$VSERVER $vsname exec su - $PGSQLUSER -c \"$PGSQLDUMPALL > $backupdir/${vsname}.sql\""
+       fi
+    else
+       if [ "$compress" == "yes" ]; then
+          execstr="su - $PGSQLUSER -c \"$PGSQLDUMPALL | $GZIP > $backupdir/${localhost}-all.sql.gz\""
+       else
+       execstr="su - $PGSQLUSER -c \"$PGSQLDUMPALL > $backupdir/${localhost}-all.sql\""
+       fi
+    fi
+    debug "$execstr"
+    if [ ! $test ]; then
+       output=`eval $execstr 2>&1`
+       code=$?
+       if [ "$code" == "0" ]; then
+           debug $output
+           info "Successfully finished dump of pgsql cluster"
+       else
+           warning $output
+           warning "Failed to dump pgsql cluster"
+       fi
+    fi
+    
+# else use pg_dump on each specified database
+else
+    for db in $databases; do
+       if [ $usevserver = yes ]; then
+           if [ "$compress" == "yes" ]; then
+              execstr="$VSERVER $vsname exec su - $PGSQLUSER -c \"$PGSQLDUMP $db | $GZIP > $backupdir/${db}.sql.gz\""
+           else
+              execstr="$VSERVER $vsname exec su - $PGSQLUSER -c \"$PGSQLDUMP $db | > $backupdir/${db}.sql\""
+           fi
+       else
+           if [ "$compress" == "yes" ]; then
+              execstr="su - $PGSQLUSER -c \"$PGSQLDUMP $db | $GZIP > $backupdir/${db}.sql.gz\""
+           else
+              execstr="su - $PGSQLUSER -c \"$PGSQLDUMP $db > $backupdir/${db}.sql\""
+           fi
+       fi
+       debug "$execstr"
+       if [ ! $test ]; then
+           output=`eval $execstr 2>&1`
+           code=$?
+           if [ "$code" == "0" ]; then
+               debug $output
+               info "Successfully finished dump of pgsql database ${db}"
+           else
+               warning $output
+               warning "Failed to dump pgsql database ${db}"
+           fi
+       fi
+    done
+fi
+
+return 0
+