[Fusionforge-commits] r9421 - trunk/plugins/templates/helloworld/bin

Christian Bayle cbayle at libremir.placard.fr.eu.org
Wed Apr 7 17:34:46 CEST 2010


Author: cbayle
Date: 2010-04-07 17:34:46 +0200 (Wed, 07 Apr 2010)
New Revision: 9421

Added:
   trunk/plugins/templates/helloworld/bin/db-delete.pl
   trunk/plugins/templates/helloworld/bin/db-upgrade.pl
Log:
Add delete and upgrade scripts


Added: trunk/plugins/templates/helloworld/bin/db-delete.pl
===================================================================
--- trunk/plugins/templates/helloworld/bin/db-delete.pl	                        (rev 0)
+++ trunk/plugins/templates/helloworld/bin/db-delete.pl	2010-04-07 15:34:46 UTC (rev 9421)
@@ -0,0 +1,187 @@
+#!/usr/bin/perl -w
+#
+# Debian-specific script to delete plugin-specific tables
+# Roland Mas <lolando at debian.org>
+
+use strict ;
+use diagnostics ;
+
+use DBI ;
+use MIME::Base64 ;
+use HTML::Entities ;
+
+use vars qw/$dbh @reqlist $query/ ;
+use vars qw/$sys_default_domain $sys_cvs_host $sys_download_host
+    $sys_shell_host $sys_users_host $sys_docs_host $sys_lists_host
+    $sys_dns1_host $sys_dns2_host $FTPINCOMING_DIR $FTPFILES_DIR
+    $sys_urlroot $sf_cache_dir $sys_name $sys_themeroot
+    $sys_news_group $sys_dbhost $sys_dbname $sys_dbuser $sys_dbpasswd
+    $sys_ldap_base_dn $sys_ldap_host $admin_login $admin_password
+    $server_admin $domain_name $newsadmin_groupid $statsadmin_groupid
+    $skill_list/ ;
+use vars qw/$pluginname/ ;
+
+sub is_lesser ( $$ ) ;
+sub is_greater ( $$ ) ;
+sub debug ( $ ) ;
+sub parse_sql_file ( $ ) ;
+
+require ("/usr/share/gforge/lib/include.pl") ; # Include a few predefined functions 
+require ("/usr/share/gforge/lib/sqlparser.pm") ; # Our magic SQL parser
+
+debug "You'll see some debugging info during this installation." ;
+debug "Do not worry unless told otherwise." ;
+
+&db_connect ;
+
+# debug "Connected to the database OK." ;
+
+$pluginname = "helloworld" ;
+
+$dbh->{AutoCommit} = 0;
+$dbh->{RaiseError} = 1;
+eval {
+    my ($sth, @array, $version, $action, $path, $target, $rname) ;
+
+    my $pattern = "plugin_" . $pluginname . '_%' ;
+
+    $query = "SELECT relname FROM pg_class WHERE relname LIKE '$pattern' AND relkind='v'" ;
+    $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    while (@array = $sth->fetchrow_array ()) {
+	$rname = $array [0] ;
+	&drop_view_if_exists ($rname) ;
+    }
+    $sth->finish () ;
+
+    $query = "SELECT relname FROM pg_class WHERE relname LIKE '$pattern' AND relkind='r'" ;
+    $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    while (@array = $sth->fetchrow_array ()) {
+	$rname = $array [0] ;
+	&drop_table_if_exists ($rname) ;
+    }
+    $sth->finish () ;
+
+    $query = "SELECT relname FROM pg_class WHERE relname LIKE '$pattern' AND relkind='i'" ;
+    $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    while (@array = $sth->fetchrow_array ()) {
+	$rname = $array [0] ;
+	&drop_index_if_exists ($rname) ;
+    }
+    $sth->finish () ;
+
+    $query = "SELECT relname FROM pg_class WHERE relname LIKE '$pattern' AND relkind='s'" ;
+    $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    while (@array = $sth->fetchrow_array ()) {
+	$rname = $array [0] ;
+	&drop_sequence_if_exists ($rname) ;
+    }
+    $sth->finish () ;
+
+    $dbh->commit ();
+
+
+    debug "It seems your database deletion went well and smoothly.  That's cool." ;
+    debug "Please enjoy using Debian GForge." ;
+
+    # There should be a commit at the end of every block above.
+    # If there is not, then it might be symptomatic of a problem.
+    # For safety, we roll back.
+    $dbh->rollback ();
+};
+
+if ($@) {
+    warn "Transaction aborted because $@" ;
+    debug "Transaction aborted because $@" ;
+    debug "Last SQL query was:\n$query\n(end of query)" ;
+    $dbh->rollback ;
+    debug "Please report this bug on the Debian bug-tracking system." ;
+    debug "Please include the previous messages as well to help debugging." ;
+    debug "You should not worry too much about this," ;
+    debug "your DB is still in a consistent state and should be usable." ;
+    exit 1 ;
+}
+
+$dbh->rollback ;
+$dbh->disconnect ;
+
+sub debug ( $ ) {
+    my $v = shift ;
+    chomp $v ;
+    print STDERR "$v\n" ;
+}
+
+sub drop_table_if_exists ( $ ) {
+    my $tname = shift or die  "Not enough arguments" ;
+    $query = "SELECT count(*) FROM pg_class WHERE relname='$tname' AND relkind='r'" ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    my @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    if ($array [0] != 0) {
+	# debug "Dropping table $tname" ;
+	$query = "DROP TABLE $tname" ;
+	# debug $query ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	$sth->finish () ;
+    }
+}
+
+sub drop_sequence_if_exists ( $ ) {
+    my $sname = shift or die  "Not enough arguments" ;
+    $query = "SELECT count(*) FROM pg_class WHERE relname='$sname' AND relkind='S'" ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    my @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    if ($array [0] != 0) {
+	# debug "Dropping sequence $sname" ;
+	$query = "DROP SEQUENCE $sname" ;
+	# debug $query ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	$sth->finish () ;
+    }
+}
+
+sub drop_index_if_exists ( $ ) {
+    my $iname = shift or die  "Not enough arguments" ;
+    $query = "SELECT count(*) FROM pg_class WHERE relname='$iname' AND relkind='i'" ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    my @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    if ($array [0] != 0) {
+	# debug "Dropping index $iname" ;
+	$query = "DROP INDEX $iname" ;
+	# debug $query ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	$sth->finish () ;
+    }
+}
+
+sub drop_view_if_exists ( $ ) {
+    my $iname = shift or die  "Not enough arguments" ;
+    $query = "SELECT count(*) FROM pg_class WHERE relname='$iname' AND relkind='v'" ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    my @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    if ($array [0] != 0) {
+	# debug "Dropping view $iname" ;
+	$query = "DROP VIEW $iname" ;
+	# debug $query ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	$sth->finish () ;
+    }
+}

Added: trunk/plugins/templates/helloworld/bin/db-upgrade.pl
===================================================================
--- trunk/plugins/templates/helloworld/bin/db-upgrade.pl	                        (rev 0)
+++ trunk/plugins/templates/helloworld/bin/db-upgrade.pl	2010-04-07 15:34:46 UTC (rev 9421)
@@ -0,0 +1,301 @@
+#!/usr/bin/perl -w
+#
+# Debian-specific script to upgrade the database between releases
+# Roland Mas <lolando at debian.org>
+
+use strict ;
+use diagnostics ;
+
+use DBI ;
+use MIME::Base64 ;
+use HTML::Entities ;
+
+use vars qw/$dbh @reqlist $query/ ;
+use vars qw/$sys_default_domain $sys_cvs_host $sys_download_host
+    $sys_shell_host $sys_users_host $sys_docs_host $sys_lists_host
+    $sys_dns1_host $sys_dns2_host $FTPINCOMING_DIR $FTPFILES_DIR
+    $sys_urlroot $sf_cache_dir $sys_name $sys_themeroot
+    $sys_news_group $sys_dbhost $sys_dbname $sys_dbuser $sys_dbpasswd
+    $sys_ldap_base_dn $sys_ldap_host $admin_login $admin_password
+    $server_admin $domain_name $newsadmin_groupid $statsadmin_groupid
+    $skill_list/ ;
+use vars qw/$pluginname/ ;
+
+sub is_lesser ( $$ ) ;
+sub is_greater ( $$ ) ;
+sub debug ( $ ) ;
+sub parse_sql_file ( $ ) ;
+
+require ("/usr/share/gforge/lib/include.pl") ; # Include a few predefined functions 
+require ("/usr/share/gforge/lib/sqlparser.pm") ; # Our magic SQL parser
+
+debug "You'll see some debugging info during this installation." ;
+debug "Do not worry unless told otherwise." ;
+
+&db_connect ;
+
+# debug "Connected to the database OK." ;
+
+$pluginname = "helloworld" ;
+
+$dbh->{AutoCommit} = 0;
+$dbh->{RaiseError} = 1;
+eval {
+    my ($sth, @array, $version, $path, $target) ;
+
+    &create_metadata_table ("0") ;
+    
+    $version = &get_db_version ;
+    $target = "0.1" ;
+    if (is_lesser $version, $target) {
+	my @filelist = ( "/usr/share/gforge/plugins/$pluginname/lib/$pluginname-init.sql" ) ;
+	
+	foreach my $file (@filelist) {
+	    debug "Processing $file" ;
+	    @reqlist = @{ &parse_sql_file ($file) } ;
+	    
+	    foreach my $s (@reqlist) {
+		$query = $s ;
+		# debug $query ;
+		$sth = $dbh->prepare ($query) ;
+		$sth->execute () ;
+		$sth->finish () ;
+	    }
+	}
+	@reqlist = () ;
+	
+	&update_db_version ($target) ;
+	debug "Committing." ;
+	$dbh->commit () ;
+    }
+    
+    $version = &get_db_version ;
+    $target = "0.2" ;
+    if (is_lesser $version, $target) {
+	debug "Adding local data." ;
+	
+	do "/etc/gforge/local.pl" or die "Cannot read /etc/gforge/local.pl" ;
+	
+	my $ip_address = qx/host $domain_name | awk '{print \}'/ ;
+	
+	@reqlist = (
+		    "INSERT INTO plugin_".$pluginname."_sample_data (domain, ip_address) VALUES ('$domain_name', '$ip_address')",
+		    ) ;
+	
+	foreach my $s (@reqlist) {
+	    $query = $s ;
+	    # debug $query ;
+	    $sth = $dbh->prepare ($query) ;
+	    $sth->execute () ;
+	    $sth->finish () ;
+	}
+	@reqlist = () ;
+	
+	&update_db_version ($target) ;
+	debug "Committing." ;
+	$dbh->commit () ;
+    }
+
+    debug "It seems your database install/upgrade went well and smoothly.  That's cool." ;
+    debug "Please enjoy using Debian GForge." ;
+
+    # There should be a commit at the end of every block above.
+    # If there is not, then it might be symptomatic of a problem.
+    # For safety, we roll back.
+    $dbh->rollback ();
+};
+
+if ($@) {
+    warn "Transaction aborted because $@" ;
+    debug "Transaction aborted because $@" ;
+    debug "Last SQL query was:\n$query\n(end of query)" ;
+    $dbh->rollback ;
+    debug "Please report this bug on the Debian bug-tracking system." ;
+    debug "Please include the previous messages as well to help debugging." ;
+    debug "You should not worry too much about this," ;
+    debug "your DB is still in a consistent state and should be usable." ;
+    exit 1 ;
+}
+
+$dbh->rollback ;
+$dbh->disconnect ;
+
+sub is_lesser ( $$ ) {
+    my $v1 = shift || 0 ;
+    my $v2 = shift || 0 ;
+
+    my $rc = system "dpkg --compare-versions $v1 lt $v2" ;
+
+    return (! $rc) ;
+}
+
+sub is_greater ( $$ ) {
+    my $v1 = shift || 0 ;
+    my $v2 = shift || 0 ;
+
+    my $rc = system "dpkg --compare-versions $v1 gt $v2" ;
+
+    return (! $rc) ;
+}
+
+sub debug ( $ ) {
+    my $v = shift ;
+    chomp $v ;
+    print STDERR "$v\n" ;
+}
+
+sub create_metadata_table ( $ ) {
+    my $v = shift || "0" ;
+    my $tablename = "plugin_" .$pluginname . "_meta_data" ;
+    # Do we have the metadata table?
+
+    $query = "SELECT count(*) FROM pg_class WHERE relname = '$tablename' and relkind = 'r'";
+    # debug $query ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    my @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    # Let's create this table if we have it not
+
+    if ($array [0] == 0) {
+	debug "Creating $tablename table." ;
+	$query = "CREATE TABLE $tablename (key varchar primary key, value text not null)" ;
+	# debug $query ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	$sth->finish () ;
+    }
+
+    $query = "SELECT count(*) FROM $tablename WHERE key = 'db-version'";
+    # debug $query ;
+    $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    # Empty table?  We'll have to fill it up a bit
+
+    if ($array [0] == 0) {
+	debug "Inserting first data into $tablename table." ;
+	$query = "INSERT INTO $tablename (key, value) VALUES ('db-version', '$v')" ;
+	# debug $query ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	$sth->finish () ;
+    }
+}
+
+sub update_db_version ( $ ) {
+    my $v = shift or die "Not enough arguments" ;
+    my $tablename = "plugin_" .$pluginname . "_meta_data" ;
+
+    debug "Updating $tablename table." ;
+    $query = "UPDATE $tablename SET value = '$v' WHERE key = 'db-version'" ;
+    # debug $query ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    $sth->finish () ;
+}
+
+sub get_db_version () {
+    my $tablename = "plugin_" .$pluginname . "_meta_data" ;
+
+    $query = "SELECT value FROM $tablename WHERE key = 'db-version'" ;
+    # debug $query ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    my @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    my $version = $array [0] ;
+
+    return $version ;
+}
+
+sub drop_table_if_exists ( $ ) {
+    my $tname = shift or die  "Not enough arguments" ;
+    $query = "SELECT count(*) FROM pg_class WHERE relname='$tname' AND relkind='r'" ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    my @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    if ($array [0] != 0) {
+	# debug "Dropping table $tname" ;
+	$query = "DROP TABLE $tname" ;
+	# debug $query ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	$sth->finish () ;
+    }
+}
+
+sub drop_sequence_if_exists ( $ ) {
+    my $sname = shift or die  "Not enough arguments" ;
+    $query = "SELECT count(*) FROM pg_class WHERE relname='$sname' AND relkind='S'" ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    my @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    if ($array [0] != 0) {
+	# debug "Dropping sequence $sname" ;
+	$query = "DROP SEQUENCE $sname" ;
+	# debug $query ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	$sth->finish () ;
+    }
+}
+
+sub drop_index_if_exists ( $ ) {
+    my $iname = shift or die  "Not enough arguments" ;
+    $query = "SELECT count(*) FROM pg_class WHERE relname='$iname' AND relkind='i'" ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    my @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    if ($array [0] != 0) {
+	# debug "Dropping index $iname" ;
+	$query = "DROP INDEX $iname" ;
+	# debug $query ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	$sth->finish () ;
+    }
+}
+
+sub drop_view_if_exists ( $ ) {
+    my $iname = shift or die  "Not enough arguments" ;
+    $query = "SELECT count(*) FROM pg_class WHERE relname='$iname' AND relkind='v'" ;
+    my $sth = $dbh->prepare ($query) ;
+    $sth->execute () ;
+    my @array = $sth->fetchrow_array () ;
+    $sth->finish () ;
+
+    if ($array [0] != 0) {
+	# debug "Dropping view $iname" ;
+	$query = "DROP VIEW $iname" ;
+	# debug $query ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	$sth->finish () ;
+    }
+}
+
+sub bump_sequence_to ( $$ ) {
+    my ($sth, @array, $seqname, $targetvalue) ;
+
+    $seqname = shift ;
+    $targetvalue = shift ;
+
+    do {
+	$query = "select nextval ('$seqname')" ;
+	$sth = $dbh->prepare ($query) ;
+	$sth->execute () ;
+	@array = $sth->fetchrow_array () ;
+	$sth->finish () ;
+    } until $array[0] >= $targetvalue ;
+}




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