postgresql: add init script and DESCRIPTION

1. Add DESCRIPTION
2. Add init script for starting up the PostgreSQL server.
3. Disable krb5 by default

Signed-off-by: Chong Lu <Chong.Lu@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

1 files changed, 241 insertions, 0 deletions

diff --git a/meta-oe/recipes-support/postgresql/files/postgresql.init b/meta-oe/recipes-support/postgresql/files/postgresql.init
new file mode 100644
index 0000000000..ab46477606
--- /dev/null
+++ b/meta-oe/recipes-support/postgresql/files/postgresql.init
@@ -0,0 +1,241 @@
+#!/bin/sh
+#
+# postgresql    This is the init script for starting up the PostgreSQL
+#               server.
+#
+# chkconfig: - 64 36
+# description: PostgreSQL database server.
+# processname: postmaster
+# pidfile: /var/run/postmaster.PORT.pid
+
+# This script is slightly unusual in that the name of the daemon (postmaster)
+# is not the same as the name of the subsystem (postgresql)
+
+# PGVERSION is the full package version, e.g., 8.4.0
+# Note: the specfile inserts the correct value during package build
+PGVERSION=9.2.4
+# PGMAJORVERSION is major version, e.g., 8.4 (this should match PG_VERSION)
+PGMAJORVERSION=`echo "$PGVERSION" | sed 's/^\([0-9]*\.[0-9]*\).*$/\1/'`
+
+# Source function library.
+. /etc/init.d/functions
+
+# Find the name of the script
+NAME=`basename $0`
+if [ ${NAME:0:1} = "S" -o ${NAME:0:1} = "K" ]
+then
+        NAME=${NAME:3}
+fi
+
+# For SELinux we need to use 'runuser' not 'su'
+if [ -x /sbin/runuser ]
+then
+    SU=runuser
+else
+    SU=su
+fi
+
+
+# Set defaults for configuration variables
+PGENGINE=/usr/bin
+PGPORT=5432
+PGDATA=/var/lib/postgresql/data
+PGLOG=/var/lib/postgresql/pgstartup.log
+# Value to set as postmaster process's oom_adj
+PG_OOM_ADJ=-17
+
+# Override defaults from /etc/sysconfig/postgresql if file is present
+[ -f /etc/default/postgresql/${NAME} ] && . /etc/default/postgresql/${NAME}
+
+export PGDATA
+export PGPORT
+
+lockfile="/var/lock/subsys/${NAME}"
+pidfile="/var/run/postmaster.${PGPORT}.pid"
+
+script_result=0
+
+start(){
+        [ -x "$PGENGINE/postmaster" ] || exit 5
+
+        PSQL_START=$"Starting ${NAME} service: "
+
+        # Make sure startup-time log file is valid
+        if [ ! -e "$PGLOG" -a ! -h "$PGLOG" ]
+        then
+                touch "$PGLOG" || exit 4
+                chown postgres:postgres "$PGLOG"
+                chmod go-rwx "$PGLOG"
+                [ -x /sbin/restorecon ] && /sbin/restorecon "$PGLOG"
+        fi
+
+        # Check for the PGDATA structure
+        if [ -f "$PGDATA/PG_VERSION" ] && [ -d "$PGDATA/base" ]
+        then
+                # Check version of existing PGDATA
+                if [ x`cat "$PGDATA/PG_VERSION"` != x"$PGMAJORVERSION" ]
+                then
+                        SYSDOCDIR="(Your System's documentation directory)"
+                        if [ -d "/usr/doc/postgresql-$PGVERSION" ]
+                        then
+                                SYSDOCDIR=/usr/doc
+                        fi
+                        if [ -d "/usr/share/doc/postgresql-$PGVERSION" ]
+                        then
+                                SYSDOCDIR=/usr/share/doc
+                        fi
+                        if [ -d "/usr/doc/packages/postgresql-$PGVERSION" ]
+                        then
+                                SYSDOCDIR=/usr/doc/packages
+                        fi
+                        if [ -d "/usr/share/doc/packages/postgresql-$PGVERSION" ]
+                        then
+                                SYSDOCDIR=/usr/share/doc/packages
+                        fi
+                        echo
+                        echo $"An old version of the database format was found."
+                        echo $"You need to upgrade the data format before using PostgreSQL."
+                        echo $"See $SYSDOCDIR/postgresql-$PGVERSION/README.rpm-dist for more information."
+                        exit 1
+                fi
+        else
+                # No existing PGDATA! Warn the user to initdb it.
+                echo
+                echo "$PGDATA is missing. Use \"service postgresql initdb\" to initialize the cluster first."
+                echo -n " [FAILED] "
+                echo
+                exit 1
+        fi
+
+        echo -n "$PSQL_START"
+        test x"$PG_OOM_ADJ" != x && echo "$PG_OOM_ADJ" > /proc/self/oom_score_adj
+        $SU -l postgres -c "$PGENGINE/postmaster -p '$PGPORT' -D '$PGDATA' ${PGOPTS} &" >> "$PGLOG" 2>&1 < /dev/null
+        sleep 2
+        pid=`head -n 1 "$PGDATA/postmaster.pid" 2>/dev/null`
+        if [ "x$pid" != x ]
+        then
+                echo -n " [ OK ]"
+                touch "$lockfile"
+                echo $pid > "$pidfile"
+                echo
+        else
+                echo -n  " [FAILED]"
+                echo
+                script_result=1
+        fi
+}
+
+stop(){
+        echo -n $"Stopping ${NAME} service: "
+        if [ -e "$lockfile" ]
+        then
+            $SU -l postgres -c "$PGENGINE/pg_ctl stop -D '$PGDATA' -s -m fast" > /dev/null 2>&1 < /dev/null
+            ret=$?
+            if [ $ret -eq 0 ]
+            then
+                echo -n " [ OK ] "
+                rm -f "$pidfile"
+                rm -f "$lockfile"
+            else
+                echo -n " [FAILED] "
+                script_result=1
+            fi
+        else
+            # not running; per LSB standards this is "ok"
+            echo -n " [ OK ] "
+        fi
+        echo
+}
+
+restart(){
+    stop
+    start
+}
+
+condrestart(){
+    [ -e "$lockfile" ] && restart || :
+}
+
+reload(){
+    $SU -l postgres -c "$PGENGINE/pg_ctl reload -D '$PGDATA' -s" > /dev/null 2>&1 < /dev/null
+}
+
+initdb(){
+    if [ -f "$PGDATA/PG_VERSION" ]
+    then
+        echo -n "Data directory is not empty!"
+        echo -n " [FAILED] "
+        echo
+        script_result=1
+    else
+        echo -n $"Initializing database: "
+        if [ ! -e "$PGDATA" -a ! -h "$PGDATA" ]
+        then
+                mkdir -p "$PGDATA" || exit 1
+                chown postgres:postgres "$PGDATA"
+                chmod go-rwx "$PGDATA"
+        fi
+        # Clean up SELinux tagging for PGDATA
+        [ -x /sbin/restorecon ] && /sbin/restorecon "$PGDATA"
+
+        # Make sure the startup-time log file is OK, too
+        if [ ! -e "$PGLOG" -a ! -h "$PGLOG" ]
+        then
+                touch "$PGLOG" || exit 1
+                chown postgres:postgres "$PGLOG"
+                chmod go-rwx "$PGLOG"
+                [ -x /sbin/restorecon ] && /sbin/restorecon "$PGLOG"
+        fi
+
+        # Initialize the database
+        $SU -l postgres -c "$PGENGINE/initdb --pgdata='$PGDATA' --auth='ident'" >> "$PGLOG" 2>&1 < /dev/null
+
+        # Create directory for postmaster log
+        mkdir "$PGDATA/pg_log"
+        chown postgres:postgres "$PGDATA/pg_log"
+        chmod go-rwx "$PGDATA/pg_log"
+
+        if [ -f "$PGDATA/PG_VERSION" ]
+        then
+            echo -n " [ OK ] "
+        else
+            echo -n " [FAILED] "
+            script_result=1
+        fi
+        echo
+    fi
+}
+
+# See how we were called.
+case "$1" in
+  start)
+        start
+        ;;
+  stop)
+        stop
+        ;;
+  status)
+        status postmaster
+        script_result=$?
+        ;;
+  restart)
+        restart
+        ;;
+  condrestart|try-restart)
+        condrestart
+        ;;
+  reload)
+        reload
+        ;;
+  force-reload)
+        restart
+        ;;
+  initdb)
+        initdb
+        ;;
+  *)
+        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|initdb}"
+        exit 2
+esac
+
+exit $script_result