Update of /home/cvsd/slony1/slony1-engine/tools/altperl
In directory main.slony.info:/tmp/cvs-serv28583/tools/altperl

Modified Files:
      Tag: REL_2_0_STABLE
	slonik_drop_node.pl slon_kill.pl 
Added Files:
      Tag: REL_2_0_STABLE
	slonik_add_node.pl 
Log Message:
-Added slonik_add_node altperl script

-Slonik_drop_node now takes an event node

-Changes to the message printed in slon_kill.  

Patch by Gurjeet Singh



Index: slon_kill.pl
===================================================================
RCS file: /home/cvsd/slony1/slony1-engine/tools/altperl/slon_kill.pl,v
retrieving revision 1.13.2.1
retrieving revision 1.13.2.2
diff -C 2 -d -r1.13.2.1 -r1.13.2.2
*** slon_kill.pl	17 Aug 2009 17:09:59 -0000	1.13.2.1
--- slon_kill.pl	30 Jun 2010 14:35:57 -0000	1.13.2.2
***************
*** 42,47 ****
  
  # kill the watchdog
  open(PSOUT, ps_args() . " | egrep '[s]lon_watchdog' | sort -n | awk '{print \$2}'|");
! shut_off_processes();
  close(PSOUT);
  if ($found eq 'n') {
--- 42,49 ----
  
  # kill the watchdog
+ my $watchdog_suffix = '_watchdog';
  open(PSOUT, ps_args() . " | egrep '[s]lon_watchdog' | sort -n | awk '{print \$2}'|");
! shut_off_processes($watchdog_suffix);
! $watchdog_suffix = '';
  close(PSOUT);
  if ($found eq 'n') {
***************
*** 55,59 ****
      $found="n";
      open(PSOUT, ps_args() . " | egrep \"[s]lon .*$CLUSTER_NAME\" | sort -n | awk '{print \$2}'|");
!     shut_off_processes();
      close(PSOUT);
      if ($found eq 'n') {
--- 57,61 ----
      $found="n";
      open(PSOUT, ps_args() . " | egrep \"[s]lon .*$CLUSTER_NAME\" | sort -n | awk '{print \$2}'|");
!     shut_off_processes($watchdog_suffix);
      close(PSOUT);
      if ($found eq 'n') {
***************
*** 62,75 ****
  }
  
! sub shut_off_processes {
      $found="n";
      while ($pid = <PSOUT>) {
  	chomp $pid;
  	if (!($pid)) {
! 	    print "No slon_watchdog is running for the cluster $CLUSTER_NAME!\n";
  	} else {
  	    $found="y";
  	    kill 9, $pid;
! 	    print "slon_watchdog for cluster $CLUSTER_NAME killed - PID [$pid]\n";
  	}
      }
--- 64,79 ----
  }
  
! sub shut_off_processes($) {
!     my $watchdog_suffix=$_;
! 
      $found="n";
      while ($pid = <PSOUT>) {
  	chomp $pid;
  	if (!($pid)) {
! 	    print "No slon_watchdog $watchdog_suffix  is running for the cluster $CLUSTER_NAME!\n";
  	} else {
  	    $found="y";
  	    kill 9, $pid;
! 	    print "slon_watchdog $watchdog_suffix for cluster $CLUSTER_NAME killed - PID [$pid]\n";
  	}
      }

--- NEW FILE: slonik_add_node.pl ---
#!@@PERL@@
# $Id: slonik_add_node.pl,v 1.1.2.1 2010-06-30 14:35:57 ssinger Exp $
# Author: Gurjeet Singh

use Getopt::Long;

# Defaults
$CONFIG_FILE = '@@SYSCONFDIR@@/slon_tools.conf';
$SHOW_USAGE  = 0;

# Read command-line options
GetOptions("config=s" => \$CONFIG_FILE,
         "help"     => \$SHOW_USAGE);

my $USAGE =
"Usage: add_node [--config file] node# event_node#

    adds a node to the cluster.

event_node is the node number of the currnet origin node.
";

if ($SHOW_USAGE) {
  print $USAGE;
  exit 0;
}

require '@@PERLSHAREDIR@@/slon-tools.pm';
require $CONFIG_FILE;

my ($addnode, $current_origin) = @ARGV;
if ($addnode =~ /^(?:node)?(\d+)$/) {
  $addnode = $1;
} else {
  die $USAGE;
}

if ($current_origin =~ /^(?:node)?(\d+)$/) {
  $current_origin = $1;
} else {
  die $USAGE;
}

my ($dbname, $dbhost) = ($DBNAME[$addnode], $HOST[$addnode]);

my $slonik = '';

$slonik .=  "\n# ADD NODE\n";
$slonik .= genheader();
$slonik .= "  try {\n";
$slonik .= "     store node (id = $addnode, event node = $current_origin, comment = 'Node $addnode - $dbname\@$dbhost');\n";
$slonik .= "  } on error {\n";
$slonik .= "      echo 'Failed to add node $node to cluster';\n";
$slonik .= "      exit 1;\n";
$slonik .= "  }\n";

# STORE PATH
$slonik .=  "\n# STORE PATHS\n";
foreach my $node (@NODES) {
  my $adddsn = $DSN[$addnode];
  if ($node != $addnode) {       # skip the master node; it's already initialized!
    my ($dbname, $dbhost, $nodedsn) = ($DBNAME[$node], $HOST[$node], $DSN[$node]);
    $slonik .= "  store path (server = $addnode, client = $node, conninfo = '$adddsn');\n";
    $slonik .= "  store path (server = $node, client = $addnode, conninfo = '$nodedsn');\n";
  }
}

$slonik .= "  echo 'added node $addnode to cluster';\n";
$slonik .= "  echo 'Please start a slon replication daemon for node $addnode';\n";

run_slonik_script($slonik, 'ADD NODE');



Index: slonik_drop_node.pl
===================================================================
RCS file: /home/cvsd/slony1/slony1-engine/tools/altperl/slonik_drop_node.pl,v
retrieving revision 1.4.2.1
retrieving revision 1.4.2.2
diff -C 2 -d -r1.4.2.1 -r1.4.2.2
*** slonik_drop_node.pl	17 Aug 2009 17:09:59 -0000	1.4.2.1
--- slonik_drop_node.pl	30 Jun 2010 14:35:57 -0000	1.4.2.2
***************
*** 15,22 ****
  
  my $USAGE =
! "Usage: drop_node [--config file] node#
  
      Drops a node.
  
  This will lead to Slony-I dropping the triggers (generally that deny the
  ability to update data), restoring the \"native\" triggers, dropping the
--- 15,26 ----
  
  my $USAGE =
! "Usage: drop_node [--config file] node# event_node#
  
      Drops a node.
  
+ node# is the id of the node in config file you wish to remove from cluster.
+ 
+ event_node# is the node number of the current origin node; the one capable of
+ sending notification to other nodes.
  This will lead to Slony-I dropping the triggers (generally that deny the
  ability to update data), restoring the \"native\" triggers, dropping the
***************
*** 43,47 ****
  require $CONFIG_FILE;
  
! my ($node) = @ARGV;
  if ($node =~ /^(?:node)?(\d+)$/) {
    $node = $1;
--- 47,51 ----
  require $CONFIG_FILE;
  
! my ($node, $event_node) = @ARGV;
  if ($node =~ /^(?:node)?(\d+)$/) {
    $node = $1;
***************
*** 50,58 ****
  }
  
  my $slonik = '';
  
  $slonik .= genheader();
  $slonik .= "  try {\n";
! $slonik .= "      drop node (id = $node, event node = $MASTERNODE);\n";
  $slonik .= "  } on error {\n";
  $slonik .= "      echo 'Failed to drop node $node from cluster';\n";
--- 54,69 ----
  }
  
+ if ($event_node =~ /^(?:node)?(\d+)$/) {
+   $event_node = $1;
+ } else {
+   print "Need to specify event node!\n";
+   die $USAGE;
+ }
+ 
  my $slonik = '';
  
  $slonik .= genheader();
  $slonik .= "  try {\n";
! $slonik .= "      drop node (id = $node, event node = $event_node);\n";
  $slonik .= "  } on error {\n";
  $slonik .= "      echo 'Failed to drop node $node from cluster';\n";