OpenPKG Specs: postgresql/pg_migrate@b12dc513f7b7 (annotated)

postgresql/pg_migrate@b12dc513f7b7 (annotated)

postgresql/pg_migrate

Fri, 03 Aug 2012 15:56:30 +0200

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 03 Aug 2012 15:56:30 +0200
changeset 459: b12dc513f7b7
permissions: -rw-r--r--

Use upstream man pages to avoid local help2man failures, likely due to
shell capability assumptions or cross platform environment variance.
The upstream man pages are probably better formatted anyway.

 #!/bin/sh
 ##
 ##  pg_migrate -- PostgreSQL Database Migration Utility
 ##  Copyright (c) 2000-2007 OpenPKG Foundation e.V. <http://openpkg.net/>
 ##  Copyright (c) 2000-2007 Ralf S. Engelschall <http://engelschall.com/>
 ##
 ##  Permission to use, copy, modify, and distribute this software for
 ##  any purpose with or without fee is hereby granted, provided that
 ##  the above copyright notice and this permission notice appear in all
 ##  copies.
 ##
 ##  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 ##  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 ##  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 ##  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
 ##  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ##  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ##  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 ##  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 ##  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 ##  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 ##  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 ##  SUCH DAMAGE.
 ##
 #   configuration
 l_prefix="@l_prefix@"
 l_rusr="@l_rusr@"
 l_rgrp="@l_rgrp@"
 #   load superuser information
 l_pgdata=""
 l_pguser=""
 l_pgpass=""
 if [ ! -r $l_prefix/var/postgresql/db/pg_superuser.conf ]; then
     echo "$0:ERROR: unable to read file \"$l_prefix/var/postgresql/db/pg_superuser.conf\" (use pg_passwd(1) to create)" 1>&2
     exit 1
 fi
 eval `. $l_prefix/var/postgresql/db/pg_superuser.conf; \
       echo l_pgdata=\"$superuser_database\"; \
       echo l_pguser=\"$superuser_username\"; \
       echo l_pgpass=\"$superuser_password\"`
 #   establish sane environment
 LC_CTYPE=C
 export LC_CTYPE
 umask 022
 #   check command line
 if [ $# -ne 1 -a $# -ne 2 ]; then
     echo "$0:ERROR: invalid command line" 1>&2
     echo "$0:USAGE: $0 dump|restore [<password>]" 1>&2
     exit 1
 fi
 cmd="$1"; shift
 if [ $# -eq 1 ]; then
     l_pgpass="$1"; shift
 fi
 #   dispatch into commands
 case $cmd in
     dump )
         echo "++ enforcing full-superuser access policy"
         cp -p $l_prefix/var/postgresql/db/pg_hba.conf \
               $l_prefix/var/postgresql/db/pg_hba.conf.orig
         ( echo "local all all trust"
           echo "host all all 127.0.0.1/32 trust"
         ) >$l_prefix/var/postgresql/db/pg_hba.conf
         ( eval `${l_prefix}/bin/openpkg rc postgresql status 2>/dev/null`
           echo "postgresql_active=\"$postgresql_active\""
         ) 2>/dev/null
         if [ ".$postgresql_active" = .yes ]; then
             echo "++ reloading already running database engine"
             $l_prefix/bin/openpkg rc postgresql reload
             sleep 2
             epilog=reload
         else
             echo "++ temporarily starting database engine"
             $l_prefix/bin/openpkg rc postgresql start
             sleep 4
             epilog=stop
         fi
         echo "++ rotating dump files $l_prefix/var/postgresql/db.dump*.sql.bz2"
         i=9
         rm -f $l_prefix/var/postgresql/db.dump.$i.sql.bz2 >/dev/null 2>&1 || true
         while [ $i -gt 0 ]; do
             j=$i
             i=`expr $i - 1`
             if [ $i -eq 0 ]; then
                 prev="$l_prefix/var/postgresql/db.dump.sql.bz2"
                 next="$l_prefix/var/postgresql/db.dump.$j.sql.bz2"
             else
                 prev="$l_prefix/var/postgresql/db.dump.$i.sql.bz2"
                 next="$l_prefix/var/postgresql/db.dump.$j.sql.bz2"
             fi
             if [ -f $prev ]; then
                 mv $prev $next
             fi
         done
         echo "++ dumping all databases into $l_prefix/var/postgresql/db.dump.sql.bz2"
         PGPASSWORD="$l_pgpass" \
         $l_prefix/bin/pg_dumpall \
             -U "$l_pguser" -o |\
             $l_prefix/lib/openpkg/bzip2 -9 \
                 >$l_prefix/var/postgresql/db.dump.sql.bz2
         chown ${l_rusr}:${l_rgrp} $l_prefix/var/postgresql/db.dump.sql.bz2
         chmod 700 $l_prefix/var/postgresql/db.dump.sql.bz2
         echo "++ restoring original access policy"
         cp -p $l_prefix/var/postgresql/db/pg_hba.conf.orig \
               $l_prefix/var/postgresql/db/pg_hba.conf
         rm -f $l_prefix/var/postgresql/db/pg_hba.conf.orig
         if [ ".$epilog" = .reload ]; then
             echo "++ reloading already running database engine (again)"
             $l_prefix/bin/openpkg rc postgresql reload
             sleep 2
         else
             echo "++ stopping temporarily started database engine"
             $l_prefix/bin/openpkg rc postgresql stop
             sleep 4
         fi
         ;;
     restore )
         if [ ".`$l_prefix/bin/openpkg rc postgresql status 2>&1 | grep 'is running'`" != . ]; then
             echo "++ stopping already running database engine"
             $l_prefix/bin/openpkg rc postgresql stop
             sleep 2
             epilog=start
         else
             epilog=none
         fi
         echo "++ rotating database directories $l_prefix/var/postgresql/db.old*/"
         i=9
         rm -rf $l_prefix/var/postgresql/db.old.$i >/dev/null 2>&1 || true
         while [ $i -gt 0 ]; do
             j=$i
             i=`expr $i - 1`
             if [ $i -eq 0 ]; then
                 prev="$l_prefix/var/postgresql/db"
                 next="$l_prefix/var/postgresql/db.old.$j"
             else
                 prev="$l_prefix/var/postgresql/db.old.$i"
                 next="$l_prefix/var/postgresql/db.old.$j"
             fi
             if [ -d $prev ]; then
                 mv $prev $next
             fi
         done
         echo "++ creating new database directory $l_prefix/var/postgresql/db/"
         mkdir $l_prefix/var/postgresql/db
         chown ${l_rusr}:${l_rgrp} $l_prefix/var/postgresql/db
         chmod 700 $l_prefix/var/postgresql/db
         su - ${l_rusr} -c \
             "LC_CTYPE=C; export LC_CTYPE; umask 022; \
             echo $l_pgpass >$l_prefix/var/postgresql/run/pw; \
             $l_prefix/bin/pg_initdb \
                 -U $l_pguser --pwfile=$l_prefix/var/postgresql/run/pw \
                 -D $l_prefix/var/postgresql/db; \
             rm -f $l_prefix/var/postgresql/run/pw" 2>&1 |\
         $l_prefix/lib/openpkg/shtool prop \
             -p "++ creating new database data"
         echo "++ restoring database configurations"
         for conf in pg_hba.conf pg_ident.conf postgresql.conf; do
             cp -p $l_prefix/var/postgresql/db.old.1/$conf \
                   $l_prefix/var/postgresql/db/
         done
         echo "++ enforcing full-superuser access policy"
         cp -p $l_prefix/var/postgresql/db/pg_hba.conf \
               $l_prefix/var/postgresql/db/pg_hba.conf.orig
         ( echo "local all all trust"
           echo "host all all 127.0.0.1/32 trust"
         ) >$l_prefix/var/postgresql/db/pg_hba.conf
         if [ ".$epilog" = .start ]; then
             echo "++ starting database engine"
         else
             echo "++ temporarily starting database engine"
         fi
         $l_prefix/bin/openpkg rc postgresql start
         sleep 4
         echo "++ restoring all databases from $l_prefix/var/postgresql/db.dump.sql.bz2"
         $l_prefix/lib/openpkg/bzip2 -c -d \
             $l_prefix/var/postgresql/db.dump.sql.bz2 |\
                 $l_prefix/bin/psql -U "$l_pguser" -d "$l_pgdata" 2>&1 |\
                     tee $l_prefix/var/postgresql/db.log |\
                         $l_prefix/lib/openpkg/shtool prop \
                             -p "++ restoring data (see $l_prefix/var/postgresql/db.log)"
         echo "++ restoring original access policy"
         cp -p $l_prefix/var/postgresql/db/pg_hba.conf.orig \
               $l_prefix/var/postgresql/db/pg_hba.conf
         rm -f $l_prefix/var/postgresql/db/pg_hba.conf.orig
         if [ ".$epilog" = .start ]; then
             echo "++ reloading already running database engine"
             $l_prefix/bin/openpkg rc postgresql reload
             sleep 2
         else
             echo "++ stopping temporarily started database engine"
             $l_prefix/bin/openpkg rc postgresql stop
             sleep 4
         fi
         ;;
     * )
         echo "$0:ERROR: unknown command \"$cmd\"" 1>&2
         exit 1
         ;;
 esac

OpenPKG Specs / annotate

postgresql/pg_migrate@b12dc513f7b7 (annotated)

postgresql/pg_migrate