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pgbouncer_: allow to separate plugin name and pool name

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This commit is contained in:
Vincas Dargis 2016-02-11 15:32:08 +02:00
parent 65e4a94cea
commit cd68f192d5
1 changed files with 30 additions and 7 deletions
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37
plugins/postgresql/pgbouncer_
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@ -16,11 +16,17 @@ my $db_user = $ENV{'pgbouncer_user'} || 'postgres';
my $db_port = $ENV{'pgbouncer_port'} || '6432';
my $db_host = $ENV{'pgbouncer_host'} || 'localhost';
my $db_pass = $ENV{'pgbouncer_pass'} || '';
my $db_pool = $ENV{'pgbouncer_pool'} || '';
my $db_name = 'pgbouncer';
my @data = ();
# get the DB (pool) name we want to fetch
$plugin_name =~ /pgbouncer_(.*)$/;
my $pool_name = $1;
my $plugin_suffix = $1;
#if pool name is specified explicitly in config file
#use plugin name together with pool name in graph title:
my $pool_name = ($db_pool) ? $db_pool : $plugin_suffix;
my $plugin_title = ($db_pool) ? $plugin_suffix." ".$pool_name : $pool_name;
# bail if no name
if (!$pool_name)
{
@ -52,8 +58,9 @@ if (defined($ARGV[0]))
{
# create the basic RRD
# stats: average connections
print "multigraph ".$plugin_name."_stats_avg_req\n";
print "graph_title PgBouncer $pool_name average connections\n";
print "graph_title PgBouncer $plugin_title average connections\n";
print "graph_args --base 1000\n"; # numbers not bytes
print "graph_vlabel Average connections\n";
print "graph_scale no\n"; # so we do not print "micro, milli, kilo, etc"
@ -64,7 +71,7 @@ if (defined($ARGV[0]))
print $pool_name."_avg_req.draw LINE2\n";
# stats: average time for query
print "multigraph ".$plugin_name."_stats_avg_query\n";
print "graph_title PgBouncer $pool_name average query time\n";
print "graph_title PgBouncer $plugin_title average query time\n";
print "graph_args --base 1000\n"; # numbers not bytes
print "graph_vlabel Average time per query (microseconds)\n";
print "graph_category pgbouncer\n";
@ -74,7 +81,7 @@ if (defined($ARGV[0]))
print $pool_name."_avg_query.draw LINE2\n";
# stats: in/out bytes
print "multigraph ".$plugin_name."_stats_bytesinout\n";
print "graph_title PgBouncer $pool_name average bytes received/sent\n";
print "graph_title PgBouncer $plugin_title average bytes received/sent\n";
print "graph_args --base 1024\n"; # numbers in bytes
print "graph_vlabel Average bytes received (-)/sent (+)\n";
print "graph_category pgbouncer\n";
@ -92,7 +99,7 @@ if (defined($ARGV[0]))
print $pool_name."_avg_sent.negative ".$pool_name."_avg_recv\n";
# pools: server (sv_)
print "multigraph ".$plugin_name."_pools_server\n";
print "graph_title PgBouncer $pool_name servers\n";
print "graph_title PgBouncer $plugin_title servers\n";
print "graph_category pgbouncer\n";
print "graph_args --base 1000\n"; # numbers not bytes
print "graph_vlabel Server connections\n";
@ -124,7 +131,7 @@ if (defined($ARGV[0]))
print $pool_name."_server_login.draw STACK\n";
# pools: client (cl_)
print "multigraph ".$plugin_name."_pools_client\n";
print "graph_title PgBouncer $pool_name clients\n";
print "graph_title PgBouncer $plugin_title clients\n";
print "graph_category pgbouncer\n";
print "graph_args --base 1000\n"; # numbers not bytes
print "graph_vlabel Client connections\n";
@ -141,7 +148,7 @@ if (defined($ARGV[0]))
print $pool_name."_client_waiting.draw STACK\n";
# pools: maxwait (longest waiting connection, should be 0)
print "multigraph ".$plugin_name."_pools_maxwait\n";
print "graph_title PgBouncer $pool_name maximum waiting time\n";
print "graph_title PgBouncer $plugin_title maximum waiting time\n";
print "graph_args --base 1000\n"; # numbers not bytes
print "graph_vlabel Maximum wait time (seconds)\n";
print "graph_category pgbouncer\n";
@ -219,6 +226,7 @@ perl and DBD::Pg is required, and pgbouncer must been installed with a correct s
=head1 CONFIGURATION
the plugin that will be run needs to have the pool name after the plugin base name.
alternatively, pool name can be specified in config file as env.pgbouncer_pool option, separating plugin name from pool name.
=head2 plugin configuration
@ -241,6 +249,21 @@ more extended would be:
env.pgbouncer_port 6542
env.pgbouncer_host localhost
another example, where different pgbouncers (and so munin plugins) connecting to same db:
[pgbouncer_weblogin]
env.pgbouncer_pass barfoo
env.pgbouncer_user bar
env.pgbouncer_port 6542
env.pgbouncer_host localhost
env.pgbouncer_pool dbname
[pgbouncer_webmain]
env.pgbouncer_pass barfoo
env.pgbouncer_user bar
env.pgbouncer_port 6543
env.pgbouncer_host localhost
env.pgbouncer_pool dbname
The database name is always pgbouncer
=head1 OUTPUT