From: Luiz K. Matsumura <luiz.matsumura@gmail.com>
Date: Wed, 24 Oct 2012 20:14:03 +0000 (-0200)
Subject: slony_show_configuration.pl : Implementing possibility to return only a especific... 
X-Git-Tag: REL_2_2_0_B3~12^2~23
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=dfeab626577d945205791721d484df0947cc0254;p=slony1-engine.git

slony_show_configuration.pl : Implementing possibility to return only a especific property on configuration of node
---

diff --git a/tools/altperl/slony_show_configuration.pl b/tools/altperl/slony_show_configuration.pl
index de1d9a41..f8d957d5 100644
--- a/tools/altperl/slony_show_configuration.pl
+++ b/tools/altperl/slony_show_configuration.pl
@@ -1,5 +1,5 @@
 #!@@PERL@@
-# 
+#
 # Author: Christopher Browne
 # Copyright 2004-2009 Afilias Canada
 
@@ -7,6 +7,7 @@
 # for a given SLONY node set
 
 use Getopt::Long;
+use Switch;
 
 # Defaults
 $CONFIG_FILE = '@@SYSCONFDIR@@/slon_tools.conf';
@@ -14,43 +15,94 @@ $SHOW_USAGE  = 0;
 
 # Read command-line options
 GetOptions("config=s" => \$CONFIG_FILE,
-	   "help"     => \$SHOW_USAGE);
+           "help"     => \$SHOW_USAGE);
 
 my $USAGE =
-"Usage: show_configuration [--config file]
+"Usage: slony_show_configuration [--config file] [node# nodeproperty]
+
+  nodeproperty valid values:
+        host : return host
+        port : return connection port
+        user : return connection user
+        dbname : return connecton database name
+        noforward : return noforward configuration
+        parent : return parent node
+        dsn : return dsn connection string
+        node-config-file : return node config file name
+        node-config-file-quotemeta : retun quoted node config file name
+        config-file : return slon-tools config file name
+        config-file-quotemeta : retun quoted slon-tools config file name
 
 ";
 
 if ($SHOW_USAGE) {
-  print $USAGE;
-  exit 0;
+  die $USAGE;
 }
 
 require '@@PERLSHAREDIR@@/slon-tools.pm';
 require $CONFIG_FILE;
 
-print "Slony Configuration\n-------------------------------------\n";
-if ($ENV{"SLONYNODES"}) {
-  print "With node configuration from ", $ENV{"SLONYNODES"}, "\n";
-}
-if ($ENV{"SLONYSET"}) {
-  print "With set configuration from ", $ENV{"SLONYSET"}, "\n";
+if ( scalar(@ARGV) == 0 ) {
+
+  print_configurations();
+
+} elsif ( scalar(@ARGV) == 2 ) {
+    $nodenum = $ARGV[0];
+    $nodeproperty = $ARGV[1];
+
+    if ($nodenum =~ /^(?:node)?(\d+)$/) {
+      $nodenum = $1;
+    }
+    print_property_value();
+
+} else {
+  die $USAGE;
 }
 
-print qq{
-Slony-I Cluster: $CLUSTER_NAME
-Logs stored under $LOGDIR
-Slony Binaries in: @@SLONBINDIR@@
-};
-if ($APACHE_ROTATOR) {
-  print "Rotating logs using Apache Rotator: $APACHE_ROTATOR\n";
+sub print_configurations {
+  print "Slony Configuration\n-------------------------------------\n";
+  if ($ENV{"SLONYNODES"}) {
+    print "With node configuration from ", $ENV{"SLONYNODES"}, "\n";
+  }
+  if ($ENV{"SLONYSET"}) {
+    print "With set configuration from ", $ENV{"SLONYSET"}, "\n";
+  }
+  print qq{
+  Slony-I Cluster: $CLUSTER_NAME
+  Logs stored under $LOGDIR
+  Slony Binaries in: @@SLONBINDIR@@
+  };
+  if ($APACHE_ROTATOR) {
+    print "Rotating logs using Apache Rotator: $APACHE_ROTATOR\n";
+  }
+  print qq{
+  Node information
+  --------------------------------
+  };
+  foreach $node (@NODES) {
+    printf("Node: %2d Host: %15s User: %8s Port: %4d Forwarding? %4s Parent: %2d Database: %10s\n         DSN: %s\n",
+         $node, $HOST[$node], $USER[$node], $PORT[$node], $NOFORWARD[$node],
+         $PARENT[$node], $DBNAME[$node], $DSN[$node]);
+  }
 }
-print qq{
-Node information
---------------------------------
-};
-foreach $node (@NODES) {
-  printf("Node: %2d Host: %15s User: %8s Port: %4d Forwarding? %4s Parent: %2d Database: %10s\n         DSN: %s\n",
-	 $node, $HOST[$node], $USER[$node], $PORT[$node], $NOFORWARD[$node],
-	 $PARENT[$node], $DBNAME[$node], $DSN[$node]);
+
+sub print_property_value {
+  switch($nodeproperty) {
+    # connection configs
+    case "host"      { print $HOST[$nodenum], "\n"; }
+    case "port"      { print $PORT[$nodenum], "\n"; }
+    case "user"      { print $USER[$nodenum], "\n"; }
+    case "dbname"    { print $DBNAME[$nodenum], "\n"; }
+    case "dsn"       { print $DSN[$nodenum], "\n"; }
+    # replication configs
+    case "parent"    { print $PARENT[$nodenum], "\n"; }
+    case "noforward" { print $NOFORWARD[$nodenum], "\n"; }
+    # config files
+    case "node-config-file"           { print $CONFIG[$nodenum], "\n"; }
+    case "node-config-file-quotemeta" { print quotemeta( $CONFIG[$nodenum] ), "\n"; }
+    case "config-file"           { print $CONFIG_FILE, "\n"; }
+    case "config-file-quotemeta" { print quotemeta( $CONFIG_FILE ), "\n"; }
+    else                         { print $USAGE; }
+  }
 }
+