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https://github.com/munin-monitoring/contrib.git
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108 lines
2.2 KiB
Perl
Executable file
108 lines
2.2 KiB
Perl
Executable file
#!/usr/bin/env perl
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# Parameters supported:
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#
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# config
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# autoconf
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#
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# Magic markers:
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#%# family=auto
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#%# capabilities=autoconf
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use strict;
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use warnings;
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use LWP;
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use JSON qw/decode_json/;
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=head1 NAME
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elasticsearch_cluster_health - A munin plugin that collects health stats of your elasticsearch instances
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=head1 APPLICABLE SYSTEMS
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Elasticsearch
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=head1 CONFIGURATION
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None
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=head1 BUGS
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None known so far. If you find any, let me know.
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=head1 AUTHOR
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Rowan Wookey - https://www.rwky.net
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=head1 LICENSE
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MIT
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=cut
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my $url = exists $ENV{'url'} ? $ENV{'url'} : 'http://localhost:9200';
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my $ua = LWP::UserAgent->new;
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$ua->timeout(10);
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sub autoconf {
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my $res = $ua->get( $url, 'Content-Type' => 'application/json' );
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my $data = do {
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local $@;
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eval { decode_json( $res->content ) }
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};
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if ( $data->{version}->{number} ) {
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print("yes\n");
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}
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else {
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print("no\n");
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}
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exit(0);
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}
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if ( $ARGV[0] and $ARGV[0] eq 'autoconf' ) {
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autoconf();
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}
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sub get_json_from_url {
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my $uri = shift;
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my $res = $ua->get( $url . $uri, 'Content-Type' => 'application/json' );
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Carp::confess( $res->code . " for " . $uri ) unless $res->is_success;
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my $data = do {
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local $@;
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eval { decode_json( $res->content ) }
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};
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die( "Could not decode JSON from: " . $res->content ) unless $data;
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return $data;
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}
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my $data = get_json_from_url("/_cluster/health");
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if ( $ARGV[0] and $ARGV[0] eq 'config' ) {
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print "graph_title elasticsearch cluster health\n";
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print "graph_category elasticsearch\n";
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print "graph_scale no\n";
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print "green.label green\n" . "green.type GAUGE\n" . "green.draw AREA\n";
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print "yellow.label yellow\n" . "yellow.type GAUGE\n" . "yellow.draw AREA\n";
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print "red.label red\n" . "red.type GAUGE\n" . "red.draw AREA\n";
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}
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else {
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if ( $data->{status} eq "green" ) {
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print "green.value 1\n";
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}
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else {
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print "green.value 0\n";
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}
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if ( $data->{status} eq "yellow" ) {
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print "yellow.value 1\n";
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}
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else {
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print "yellow.value 0\n";
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}
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if ( $data->{status} eq "red" ) {
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print "red.value 1\n";
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}
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else {
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print "red.value 0\n";
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}
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}
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