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https://github.com/postgres/postgres.git
synced 2025-07-27 12:41:57 +03:00
Make -w the default for shut down, add -W option to specify no wait.
Add -l option to name log file. Set umask to 077. Proper file descriptor redirection to allow postmaster to detach from shell's process group. Add -s option to turn off informational messages.
This commit is contained in:
Peter Eisentraut
@ -4,11 +4,11 @@
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# pg_ctl.sh--
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# Start/Stop/Restart/Report status of postmaster
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#
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# Copyright (c) 2000, PostgreSQL Global Development Group
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# Copyright (c) 2001 PostgreSQL Global Development Group
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#
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#
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# IDENTIFICATION
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# $Header: /cvsroot/pgsql/src/bin/pg_ctl/Attic/pg_ctl.sh,v 1.17 2000/12/30 06:10:43 ishii Exp $
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# $Header: /cvsroot/pgsql/src/bin/pg_ctl/Attic/pg_ctl.sh,v 1.18 2001/02/08 19:39:24 petere Exp $
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#
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#-------------------------------------------------------------------------
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@ -19,20 +19,29 @@ $CMDNAME is a utility to start, stop, restart, and report the status
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of a PostgreSQL server.
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Usage:
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$CMDNAME start [-w] [-D DATADIR] [-p PATH-TO-POSTMASTER] [-o \"OPTIONS\"]
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$CMDNAME stop [-w] [-D DATADIR] [-m SHUTDOWN-MODE]
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$CMDNAME restart [-w] [-D DATADIR] [-m SHUTDOWN-MODE] [-o \"OPTIONS\"]
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$CMDNAME start [-w] [-D DATADIR] [-s] [-l FILENAME] [-o \"OPTIONS\"]
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$CMDNAME stop [-W] [-D DATADIR] [-s] [-m SHUTDOWN-MODE]
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$CMDNAME restart [-w] [-D DATADIR] [-s] [-m SHUTDOWN-MODE] [-o \"OPTIONS\"]
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$CMDNAME status [-D DATADIR]
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Options:
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Common options:
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-D DATADIR Location of the database storage area
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-m SHUTDOWN-MODE May be 'smart', 'fast', or 'immediate'
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-s Only print errors, no informational messages
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-w Wait until operation completes
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-W Do not wait until operation completes
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(The default is to wait for shutdown, but not for start or restart.)
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If the -D option is omitted, the environment variable PGDATA is used.
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Options for start or restart:
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-l FILENAME Write (or append) server log to FILENAME. The
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use of this option is highly recommended.
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-o OPTIONS Command line options to pass to the postmaster
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(PostgreSQL server executable)
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-p PATH-TO-POSTMASTER Normally not necessary
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-w Wait until operation completes
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If the -D option is omitted, the environment variable PGDATA is used.
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Options for stop or restart:
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-m SHUTDOWN-MODE May be 'smart', 'fast', or 'immediate'
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Shutdown modes are:
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smart Quit after all clients have disconnected
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@ -50,6 +59,9 @@ Try '$CMDNAME --help' for more information."
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bindir='@bindir@'
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VERSION='@VERSION@'
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# protect the log file
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umask 077
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# Check for echo -n vs echo \c
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if echo '\c' | grep -s c >/dev/null 2>&1
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@ -96,8 +108,11 @@ fi
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po_path="$PGPATH/postmaster"
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# set default shutdown signal
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sig="-TERM"
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wait=
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wait_seconds=60
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logfile=
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silence_echo=
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shutdown_mode=smart
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while [ "$#" -gt 0 ]
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do
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@ -114,35 +129,35 @@ do
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shift
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PGDATA="$1"
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;;
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-p)
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shift
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po_path="$1"
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-l)
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logfile=$2
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shift;;
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-l*)
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logfile=`echo "$1" | sed 's/^-l//'`
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;;
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-m)
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shift
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case $1 in
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s|smart)
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;;
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f|fast)
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sig="-INT"
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;;
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i|immediate)
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sig="-QUIT"
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;;
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*)
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echo "$CMDNAME: wrong shutdown mode: $1" 1>&2
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echo "$advice" 1>&2
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exit 1
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;;
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esac
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;;
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-w)
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wait=1
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shutdown_mode=$2
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shift;;
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-m*)
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shutdown_mode=`echo "$1" | sed 's/^-m//'`
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;;
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-o)
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shift
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POSTOPTS="$1"
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;;
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-p)
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shift
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po_path="$1"
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;;
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-s)
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silence_echo=:
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;;
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-w)
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wait=yes
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;;
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-W)
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wait=no
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;;
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-*)
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echo "$CMDNAME: invalid option: $1" 1>&2
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echo "$advice" 1>&2
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@ -181,20 +196,47 @@ if [ -z "$PGDATA" ];then
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exit 1
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fi
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if [ -z "$wait" ]; then
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case $op in
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start) wait=no;;
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stop) wait=yes;;
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restart) wait=no;; # must wait on shutdown anyhow
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esac
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fi
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case $shutdown_mode in
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s|smart)
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sig="-TERM"
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;;
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f|fast)
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sig="-INT"
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;;
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i|immediate)
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sig="-QUIT"
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;;
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*)
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echo "$CMDNAME: invalid shutdown mode: $1" 1>&2
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echo "$advice" 1>&2
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exit 1
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;;
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esac
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DEFPOSTOPTS=$PGDATA/postmaster.opts.default
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POSTOPTSFILE=$PGDATA/postmaster.opts
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PIDFILE=$PGDATA/postmaster.pid
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if [ $op = "status" ];then
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if [ -f $PIDFILE ];then
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PID=`head -1 $PIDFILE`
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PID=`sed -n 1p $PIDFILE`
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if [ $PID -lt 0 ];then
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PID=`expr 0 - $PID`
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echo "$CMDNAME: postgres is running (pid: $PID)"
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else
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echo "$CMDNAME: postmaster is running (pid: $PID)"
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echo "Command line was:"
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echo "`cat $POSTOPTSFILE`"
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cat "$POSTOPTSFILE"
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fi
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exit 0
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else
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@ -205,29 +247,29 @@ fi
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if [ $op = "stop" -o $op = "restart" ];then
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if [ -f $PIDFILE ];then
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PID=`head -1 $PIDFILE`
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PID=`sed -n 1p $PIDFILE`
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if [ $PID -lt 0 ];then
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PID=`expr 0 - $PID`
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echo "$CMDNAME: Cannot restart postmaster. postgres is running (pid: $PID)"
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echo "Please terminate postgres and try again"
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echo "$CMDNAME: Cannot restart postmaster. postgres is running (pid: $PID)" 1>&2
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echo "Please terminate postgres and try again." 1>&2
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exit 1
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fi
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kill $sig $PID
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# wait for postmaster to shut down
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if [ "$wait" = 1 -o $op = "restart" ];then
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if [ "$wait" = yes -o "$op" = restart ];then
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cnt=0
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$ECHO_N "Waiting for postmaster to shut down.."$ECHO_C
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$silence_echo $ECHO_N "waiting for postmaster to shut down..."$ECHO_C
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while :
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do
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if [ -f $PIDFILE ];then
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$ECHO_N "."$ECHO_C
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$silence_echo $ECHO_N "."$ECHO_C
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cnt=`expr $cnt + 1`
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if [ $cnt -gt 60 ];then
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echo "failed."
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echo "postmaster does not shut down."
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if [ $cnt -gt $wait_seconds ];then
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$silence_echo echo " failed"
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echo "$CMDNAME: postmaster does not shut down" 1>&2
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exit 1
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fi
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else
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@ -235,76 +277,102 @@ if [ $op = "stop" -o $op = "restart" ];then
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fi
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sleep 1
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done
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echo "done."
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$silence_echo echo "done"
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fi
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$silence_echo echo "postmaster successfully shut down"
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echo "postmaster successfully shut down."
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else
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echo "$CMDNAME: cannot find $PIDFILE"
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echo "Is postmaster running?"
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else # ! -f $PIDFILE
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echo "$CMDNAME: cannot find $PIDFILE" 1>&2
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echo "Is postmaster running?" 1>&2
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if [ $op = "restart" ];then
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echo "starting postmaster anyway..."
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echo "starting postmaster anyway" 1>&2
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else
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exit 1
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fi
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fi
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fi
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fi # stop or restart
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if [ $op = "start" -o $op = "restart" ];then
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if [ -f $PIDFILE ];then
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echo "$CMDNAME: It seems another postmaster is running. Trying to start postmaster anyway."
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pid=`head -1 $PIDFILE`
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echo "$CMDNAME: It seems another postmaster is running. Trying to start postmaster anyway." 1>&2
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pid=`sed -n 1p $PIDFILE`
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fi
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unset logopt
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if [ -n "$logfile" ]; then
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logopt='</dev/null >>$logfile 2>&1'
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else
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# when starting without log file, redirect stderr to stdout, so
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# pg_ctl can be invoked with >$logfile and still have pg_ctl's
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# stderr on the terminal.
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logopt='</dev/null 2>&1'
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fi
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# no -o given
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if [ -z "$POSTOPTS" ];then
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if [ $op = "start" ];then
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# if we are in start mode, then look for postmaster.opts.default
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if [ -f $DEFPOSTOPTS ];then
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$po_path -D $PGDATA `cat $DEFPOSTOPTS` &
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else
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$po_path -D $PGDATA &
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if [ -f $DEFPOSTOPTS ]; then
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POSTOPTS=`cat $DEFPOSTOPTS`
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fi
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POSTOPTS="-D $PGDATA $POSTOPTS"
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else
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# if we are in restart mode, then look postmaster.opts
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`cat $POSTOPTSFILE` &
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# if we are in restart mode, then look for postmaster.opts
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set X `cat $POSTOPTSFILE`
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shift
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po_path=$1
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shift
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POSTOPTS=$@
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fi
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else
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# -o given
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$po_path -D $PGDATA $POSTOPTS &
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else # -o given
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POSTOPTS="-D $PGDATA $POSTOPTS"
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fi
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eval '$po_path' '$POSTOPTS' $logopt '&'
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if [ -f $PIDFILE ];then
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if [ "`head -1 $PIDFILE`" = "$pid" ];then
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echo "$CMDNAME: Cannot start postmaster. Is another postmaster is running?"
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if [ "`sed -n 1p $PIDFILE`" = "$pid" ];then
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echo "$CMDNAME: cannot start postmaster" 1>&2
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echo "Examine the log output." 1>&2
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exit 1
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fi
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fi
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# wait for postmaster to start up
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if [ "$wait" = 1 ];then
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# wait for postmaster to start
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if [ "$wait" = yes ];then
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cnt=0
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$ECHO_N "Waiting for postmaster to start up.."$ECHO_C
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$silence_echo $ECHO_N "waiting for postmaster to start..."$ECHO_C
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while :
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do
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# FIXME: This is horribly misconceived.
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# 1) If password authentication is set up, the connection will fail.
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# 2) If a virtual host is set up, the connection may fail.
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# 3) If network traffic filters are set up tight enough, the connection
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# may fail.
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# 4) When no Unix domain sockets are available, the connection will
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# fail. (Using TCP/IP by default ain't better.)
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# 5) When a different port is configured, the connection will fail
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# or go to the wrong server.
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# 6) If the dynamic loader is not set up correctly (for this user/at
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# this time), psql will fail (to find libpq).
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# 7) If psql is misconfigured, this may fail.
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if "$PGPATH/psql" -l >/dev/null 2>&1
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then
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break;
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else
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$ECHO_N "."$ECHO_C
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$silence_echo $ECHO_N "."$ECHO_C
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cnt=`expr $cnt + 1`
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if [ $cnt -gt 60 ];then
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echo "$CMDNAME: postmaster does not start up"
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if [ $cnt -gt $wait_seconds ];then
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$silence_echo echo "failed"
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echo "$CMDNAME: postmaster does not start" 1>&2
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exit 1
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fi
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sleep 1
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fi
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done
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echo "done"
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$silence_echo echo "done"
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fi
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echo "postmaster successfully started up"
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fi
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$silence_echo echo "postmaster successfully started"
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fi # start or restart
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exit 0
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