From f6ec5af8bd7ac968304f9a9b8827cc0655d43f55 Mon Sep 17 00:00:00 2001
From: Greg Sabino Mullane <greg@endpoint.com>
Date: Sun, 28 Sep 2008 17:02:51 -0400
Subject: [PATCH] Add MRTG support to new fsm actions. Default to two empty
strings for MRTG validate_range calls.
---
check_postgres.pl | 24 +++++++++++++++++++++---
1 file changed, 21 insertions(+), 3 deletions(-)
diff --git a/check_postgres.pl b/check_postgres.pl
index 7a5655e16..232a6bbed 100755
--- a/check_postgres.pl
+++ b/check_postgres.pl
@@ -1129,7 +1129,7 @@ sub validate_range {
my $arg = shift;
defined $arg and ref $arg eq 'HASH' or ndie qq{validate_range must be called with a hashref\n};
- return if $MRTG and !$arg->{forcemrtg};
+ return ('','') if $MRTG and !$arg->{forcemrtg};
my $type = $arg->{type} or ndie qq{validate_range must be provided a 'type'\n};
@@ -2046,7 +2046,7 @@ sub check_disk_space {
sub check_fsm_pages {
## Check on the percentage of free space map pages in use
- ## Supports: Nagios
+ ## Supports: Nagios, MRTG
## Must run as superuser
## Requires pg_freespacemap contrib module
## Takes an optional --schema argument, defaults to 'public'
@@ -2076,7 +2076,13 @@ sub check_fsm_pages {
SLURP: while ($db->{slurp} =~ /\s*(\d+) \|\s+(\d+) \|\s+(\d+)$/gsm) {
my ($pages,$max,$percent) = ($1,$2,$3);
+ if ($MRTG) {
+ do_mrtg({one => $percent, two => $pages});
+ return;
+ }
+
my $msg = "fsm page slots used: $pages of $max ($percent%)";
+
if (length $critical and $percent >= $c) {
add_critical $msg;
}
@@ -2098,7 +2104,7 @@ sub check_fsm_pages {
sub check_fsm_relations {
## Check on the % of free space map relations in use
- ## Supports: Nagios
+ ## Supports: Nagios, MRTG
## Must run as superuser
## Requires pg_freespacemap contrib module
## Takes an optional --schema argument, defaults to 'public'
@@ -2128,7 +2134,13 @@ sub check_fsm_relations {
SLURP: while ($db->{slurp} =~ /\s*(\d+) \|\s+(\d+) \|\s+(\d+)$/gsm) {
my ($max,$cur,$percent) = ($1,$2,$3);
+ if ($MRTG) {
+ do_mrtg({one => $percent, two => $cur});
+ return;
+ }
+
my $msg = "fsm relations used: $cur of $max ($percent%)";
+
if (length $critical and $percent >= $c) {
add_critical $msg;
}
@@ -3925,6 +3937,9 @@ While you need to pass in the name of the database where pg_freespacemap is inst
installed the module in a non-standard schema), you only need to run this check once per cluster. Also, checking this information
does require obtaining special locks on the free-space-map, so it is recommend you do not run this check with short intervals.
+For MRTG output, returns the percent of free-space-map on the first line, the number of pages currently used on
+the second line.
+
=head2 B<fsm_relations>
(C<symlink: check_postgres_fsm_relations>) Checks how close a cluster is to the Postgres B<max_fsm_relations> setting.
@@ -3942,6 +3957,9 @@ if you have installed the module in a non-standard schema), you only need to run
checking this information does require obtaining special locks on the free-space-map, so it is recommend you do not
run this check with short intervals.
+For MRTG output, returns the percent of free-space-map on the first line, the number of relations currently used on
+the second line.
+
=head2 B<index_size>
=head2 B<table_size>
--
2.30.2