From aea710cb25597a5c6208b70f6a1fc42314805af3 Mon Sep 17 00:00:00 2001 From: David Prevot Date: Thu, 22 Feb 2024 09:44:38 +0100 Subject: [PATCH] redis: Update munin plugin --- redis/files/munin_redis | 597 ++++++++++++++++++++++++++-------------- 1 file changed, 396 insertions(+), 201 deletions(-) diff --git a/redis/files/munin_redis b/redis/files/munin_redis index 55474435..ef3b61ad 100644 --- a/redis/files/munin_redis +++ b/redis/files/munin_redis @@ -1,243 +1,439 @@ #!/usr/bin/perl -w -# -## Copyright (C) 2009 Gleb Voronich -## -## This program is free software; you can redistribute it and/or -## modify it under the terms of the GNU General Public License -## as published by the Free Software Foundation; version 2 dated June, -## 1991. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program; if not, write to the Free Software -## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -## -## -## $Log$ -## -## Based on Redis module code v0.08 2009/from http://svn.rot13.org/index.cgi/Redis -## -## Installation process: -## -## 1. Download the plugin to your plugins directory (e.g. /usr/share/munin/plugins) -## 2. Create 3 symlinks at the directory that us used by munin for plugins detection (e.g. /etc/munin/plugins): redis_connected_clients, redis_per_sec and and redis_used_memory -## 3. Edit plugin-conf.d/munin-node if it is needed (env.host and env.port variables are accepted; set env.password for password protected Redis server) -## 4. Restart munin-node service -## -## Magic Markers -#%# family=auto -#%# capabilities=autoconf suggest +=head CONFIGURATION + + Based on Redis module code v0.08 2009/from http://svn.rot13.org/index.cgi/Redis + + Installation process: + + 1. Download the plugin to your plugins directory (e.g. /usr/share/munin/plugins) + 2. Symlink it to your configuration directory (e.g. ln -s /usr/share/munin/plugins/redis /etc/munin/plugins/redis) + 3. Edit plugin-conf.d/munin-node with the options to connect to your redis instances (see below for an example) + 4. Restart munin-node service + + Example config + [redis] + env.host1 127.0.0.1 + env.port1 6379 + env.password1 password + env.title_prefix1 redis-1 + env.host2 /run/redis.sock + env.title_prefix2 redis-2 + + Each host should be specified with at least a host or unixsocket variable suffixed with + a number, the first being 1, the second being 2 etc. They must be in sequence. + Other options are: + * port - the redis port to connect to + * password - the password to use with the AUTH command + * title_prefix - a prefix to put before the title of the graph, this is strongly recommended for multiple instances + + Graphs: + This generates multigraphs for: + * Connected clients + * Key Hit vs Miss ratio + * Keys per second, hits/misses/expirations/evictions + * Replication backlog + * Replication lag + * Request per second + * Total number of keys and keys with expires + * Used memory + +=head COPYRIGHT + + Copyright (C) 2020 Rowan Wookey + Copyright (C) 2009 Gleb Voronich + +=head LICENSE + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; version 2 dated June, + 1991. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +=head MAGIC MARKERS + + #%# family=auto + #%# capabilities=autoconf + +=cut use strict; use IO::Socket::INET; use IO::Socket::UNIX; -use Switch; -my $HOST = exists $ENV{'host'} ? $ENV{'host'} : "127.0.0.1"; -my $UNIX_SOCKET = exists $ENV{'unixsocket'} ? $ENV{'unixsocket'} : ''; # path to Redis Unix sock file -my $PORT = exists $ENV{'port'} ? $ENV{'port'} : 6379; -my $PASSWORD = exists $ENV{'password'} ? $ENV{'password'} : undef; -my $TITLE_PREFIX = exists $ENV{'title_prefix'} ? $ENV{'title_prefix'} . ": " : ""; +my %INSTANCES; +my $HOST; +my $PORT; +my $PASSWORD; + +for (my $i = 1; $ENV{"host$i"}; $i++) +{ + $HOST = exists $ENV{"host$i"} ? $ENV{"host$i"} : "127.0.0.1"; + $PORT = exists $ENV{"port$i"} ? $ENV{"port$i"} : 6379; + $PASSWORD = exists $ENV{"password$i"} ? $ENV{"password$i"} : undef; + my $TITLE_PREFIX = exists $ENV{"title_prefix$i"} ? $ENV{"title_prefix$i"} . ": " : ""; + my $SOCK = &get_conn(); + $INSTANCES{"instance$i"} = { + HOST => $HOST, + PORT => $PORT, + PASSWORD => $PASSWORD, + TITLE_PREFIX => $TITLE_PREFIX, + SOCK => $SOCK + }; +} + -my $sock = &get_conn(); my $config = ( defined $ARGV[0] and $ARGV[0] eq "config" ); my $autoconf = ( defined $ARGV[0] and $ARGV[0] eq "autoconf" ); if ( $autoconf ) { - if ( defined( $sock ) ) { + if (!%INSTANCES) { + print "no (no redis instances configured)\n"; + exit 0; + } + my $err = ''; + for my $INSTANCE (keys %INSTANCES) { + if (! defined( $INSTANCES{$INSTANCE}{'SOCK'} ) ) { + $err = "no (unable to connect to ".$INSTANCES{$INSTANCE}{'HOST'}."\[:". $INSTANCES{$INSTANCE}{'PORT'}."\])\n"; + } + } + if ($err) { + print $err; + } else { print "yes\n"; - exit 0; - } else { - print "no (unable to connect to $HOST\[:$PORT\])\n"; - exit 0; - } -} -my $suggest = ( defined $ARGV[0] and $ARGV[0] eq "suggest" ); -if ( $suggest ) { - if ( defined( $sock ) ) { - my @plugins = ('connected_clients', 'key_ratio', 'keys_per_sec', 'per_sec', 'used_keys', 'used_memory'); - foreach my $plugin (@plugins) { - print "$plugin\n"; - } - exit 0; - } else { - print "no (unable to connect to $HOST\[:$PORT\])\n"; - exit 0; } + exit 0; } -my $hash=&get_info(); +my $total = 0; -$0 =~ s/(.+)redis_//g; +my $multi_graph_output = ''; +my $instance_graph_output = ''; -switch ($0) { - case "connected_clients" { - if ( $config ) { - my $maxclients= get_config("maxclients")->{"maxclients"}; - print "graph_title ${TITLE_PREFIX}Connected clients\n"; - print "graph_vlabel Connected clients\n"; - print "graph_category search\n"; - print "graph_args -l 0\n"; - print "connected_clients.line $maxclients:ff0000:Limit\n"; - print "connected_clients.label connected clients\n"; - exit 0; +my $connected_clients = 0; +my $keyspace_hits = 0; +my $keyspace_misses = 0; +my $expired_keys = 0; +my $evicted_keys = 0; +my $total_commands_processed = 0; +my $total_connections_received = 0; +my $repl_backlog_size = 0; +my $used_memory = 0; +my $used_memory_rss = 0; +my $used_memory_peak = 0; +my $total_keys = 0; +my $total_expires = 0; +foreach my $INSTANCE (keys %INSTANCES) { + + my $sock = $INSTANCES{$INSTANCE}{'SOCK'}; + my $TITLE_PREFIX = $INSTANCES{$INSTANCE}{'TITLE_PREFIX'}; + my $hash = get_info($sock); + + my $dbs; + foreach my $key (keys %{$hash}) { + if ( $key =~ /^db\d+$/ && $hash->{$key} =~ /keys=(\d+),expires=(\d+)/ ) { + $total_keys += $1; + $total_expires += $2; + $dbs->{$key} = [ $1, $2 ]; } - - print "connected_clients.value " . $hash->{'connected_clients'} . "\n"; } - - case "keys_per_sec" { - if ( $config ) { - print "graph_title ${TITLE_PREFIX}Keys Per Second\n"; - print "graph_vlabel per \${graph_period}\n"; - print "graph_category search\n"; - print "graph_args -l 0\n"; - print "hits.label hits\n"; - print "hits.type COUNTER\n"; - print "misses.label misses\n"; - print "misses.type COUNTER\n"; - print "expired.label expirations\n"; - print "expired.type COUNTER\n"; - print "evictions.label evictions\n"; - print "evictions.type COUNTER\n"; - exit 0; + if ( $config ) { + my $ret = get_config("maxclients", $sock); + # if the CONFIG command is disabled we don't show the max clients + my $maxclients = defined $ret ? $ret->{"maxclients"} : 0; + $instance_graph_output .= "multigraph redis_connected_clients.$INSTANCE\n"; + $instance_graph_output .= "graph_title ${TITLE_PREFIX}Connected clients\n"; + $instance_graph_output .= "graph_vlabel Connected clients\n"; + $instance_graph_output .= "graph_category db\n"; + $instance_graph_output .= "graph_args -l 0\n"; + if ($maxclients) { + $instance_graph_output .= "connected_clients.line $maxclients:ff0000:Limit\n"; } - - print "hits.value " . $hash->{'keyspace_hits'} . "\n"; - print "misses.value " . $hash->{'keyspace_misses'} . "\n"; - print "expired.value " . $hash->{'expired_keys'} . "\n"; - print "evictions.value " . $hash->{'evicted_keys'} . "\n"; - } - - case "key_ratio" { - if ( $config ) { - print "graph_title ${TITLE_PREFIX}Key Hit vs Miss Ratio\n"; - print "graph_vlabel per \${graph_period}\n"; - print "graph_category search\n"; - print "graph_args -u 100 -l 0 -r --base 1000\n"; - print "hitratio.label hit ratio\n"; - print "hitratio.type GAUGE\n"; - print "hitratio.draw AREA\n"; - print "missratio.label miss ratio\n"; - print "missratio.type GAUGE\n"; - print "missratio.draw STACK\n"; - exit 0; - } - - my $total = $hash->{'keyspace_hits'} + $hash->{'keyspace_misses'}; - my $hitratio = 0; - my $missratio = 0; - if ($total > 0) { - $hitratio = $hash->{'keyspace_hits'} / $total * 100; - $missratio = $hash->{'keyspace_misses'} / $total * 100; - } - printf("hitratio.value %.2f\n", $hitratio); - printf("missratio.value %.2f\n", $missratio); - } - - - case "per_sec" { - if ( $config ) { - print "graph_title ${TITLE_PREFIX}Per second\n"; - print "graph_vlabel per \${graph_period}\n"; - print "graph_category search\n"; - print "graph_args -l 0\n"; - print "requests.label requests\n"; - print "requests.type COUNTER\n"; - print "connections.label connections\n"; - print "connections.type COUNTER\n"; - exit 0; - } - - print "requests.value ". $hash->{'total_commands_processed'} ."\n"; - print "connections.value ". $hash->{'total_connections_received'} ."\n"; - } - - - case "used_memory" { - if ( $config ) { - my $maxmemory = get_config("maxmemory")->{"maxmemory"}; - print "graph_title ${TITLE_PREFIX}Used memory\n"; - print "graph_vlabel Used memory\n"; - print "graph_category search\n"; - print "graph_args -l 0 --base 1024\n"; - print "used_memory.line $maxmemory:ff0000:Limit\n"; - print "used_memory.label used memory\n"; - print "used_memory_peak.label used memory in peak\n"; - print "used_memory_rss.label Resident set size memory usage\n"; - exit 0; - } - - print "used_memory.value ". $hash->{'used_memory'} ."\n"; - print "used_memory_rss.value ". $hash->{'used_memory_rss'} ."\n"; - print "used_memory_peak.value ". $hash->{'used_memory_peak'} ."\n"; - } - - case "used_keys" { - my $dbs; - foreach my $key (keys %{$hash}) { - if ( $key =~ /^db\d+$/ && $hash->{$key} =~ /keys=(\d+),expires=(\d+)/ ) { - $dbs->{$key} = [ $1, $2 ]; - } - } - - if ( $config ) { - print "graph_title ${TITLE_PREFIX}Used keys\n"; - print "graph_vlabel Used keys\n"; - print "graph_category search\n"; - print "graph_args -l 0\n"; - - foreach my $db (keys %{$dbs}) { - printf "%s_keys.label %s keys\n", $db, $db; - printf "%s_expires.label %s expires\n", $db, $db; - } - - exit 0; + $instance_graph_output .= "connected_clients.label connected clients\n"; + $instance_graph_output .= "multigraph keys_per_sec.$INSTANCE\n"; + $instance_graph_output .= "graph_title ${TITLE_PREFIX}Keys Per Second\n"; + $instance_graph_output .= "graph_vlabel per \${graph_period}\n"; + $instance_graph_output .= "graph_category db\n"; + $instance_graph_output .= "graph_args -l 0\n"; + $instance_graph_output .= "hits.label hits\n"; + $instance_graph_output .= "hits.type COUNTER\n"; + $instance_graph_output .= "misses.label misses\n"; + $instance_graph_output .= "misses.type COUNTER\n"; + $instance_graph_output .= "expired.label expirations\n"; + $instance_graph_output .= "expired.type COUNTER\n"; + $instance_graph_output .= "evicted_keys.label evictions\n"; + $instance_graph_output .= "evicted_keys.type COUNTER\n"; + $instance_graph_output .= "multigraph redis_key_ratio.$INSTANCE\n"; + $instance_graph_output .= "graph_title ${TITLE_PREFIX}Key Hit vs Miss Ratio\n"; + $instance_graph_output .= "graph_vlabel per \${graph_period}\n"; + $instance_graph_output .= "graph_category db\n"; + $instance_graph_output .= "graph_args -u 100 -l 0 -r --base 1000\n"; + $instance_graph_output .= "hitratio.label hit ratio\n"; + $instance_graph_output .= "hitratio.type GAUGE\n"; + $instance_graph_output .= "hitratio.draw AREA\n"; + $instance_graph_output .= "missratio.label miss ratio\n"; + $instance_graph_output .= "missratio.type GAUGE\n"; + $instance_graph_output .= "missratio.draw STACK\n"; + $instance_graph_output .= "multigraph redis_per_sec.$INSTANCE\n"; + $instance_graph_output .= "graph_title ${TITLE_PREFIX}Requests Per second\n"; + $instance_graph_output .= "graph_vlabel per \${graph_period}\n"; + $instance_graph_output .= "graph_category db\n"; + $instance_graph_output .= "graph_args -l 0\n"; + $instance_graph_output .= "requests.label requests\n"; + $instance_graph_output .= "requests.type COUNTER\n"; + $instance_graph_output .= "connections.label connections\n"; + $instance_graph_output .= "connections.type COUNTER\n"; + $instance_graph_output .= "multigraph redis_repl_backlog_size.$INSTANCE\n"; + $instance_graph_output .= "graph_title ${TITLE_PREFIX}replication backlog\n"; + $instance_graph_output .= "graph_vlabel replication backlog\n"; + $instance_graph_output .= "graph_category db\n"; + $instance_graph_output .= "graph_args -l 0\n"; + $instance_graph_output .= "repl_backlog_size.label bytes behind master\n"; + $instance_graph_output .= "multigraph redis_repl_lag.$INSTANCE\n"; + $instance_graph_output .= "graph_title ${TITLE_PREFIX}replication lag\n"; + $instance_graph_output .= "graph_vlabel replication lag\n"; + $instance_graph_output .= "graph_category db\n"; + $instance_graph_output .= "graph_args -l 0\n"; + $instance_graph_output .= "repl_backlog_size.label amount behind master\n"; + # if the CONFIG command is disabled we don't show maxmemory + $ret = get_config("maxmemory", $sock); + my $maxmemory = defined $ret ? $ret->{"maxmemory"} : 0; + $instance_graph_output .= "multigraph redis_used_memory.$INSTANCE\n"; + $instance_graph_output .= "graph_title ${TITLE_PREFIX}Used memory\n"; + $instance_graph_output .= "graph_vlabel Used memory\n"; + $instance_graph_output .= "graph_category db\n"; + $instance_graph_output .= "graph_args -l 0 --base 1024\n"; + if ($maxmemory) { + $instance_graph_output .= "used_memory.line $maxmemory:ff0000:Limit\n"; } + $instance_graph_output .= "used_memory.label used memory\n"; + $instance_graph_output .= "used_memory_peak.label used memory in peak\n"; + $instance_graph_output .= "used_memory_rss.label Resident set size memory usage\n"; + $instance_graph_output .= "multigraph redis_used_keys.$INSTANCE\n"; + $instance_graph_output .= "graph_title ${TITLE_PREFIX}Used keys\n"; + $instance_graph_output .= "graph_vlabel Used keys\n"; + $instance_graph_output .= "graph_category db\n"; + $instance_graph_output .= "graph_args -l 0\n"; foreach my $db (keys %{$dbs}) { - printf "%s_keys.value %d\n", $db, $dbs->{$db}[0]; - printf "%s_expires.value %d\n", $db, $dbs->{$db}[1]; + $instance_graph_output .= sprintf "%s_keys.label %s keys\n", $db, $db; + $instance_graph_output .= sprintf "%s_expires.label %s expires\n", $db, $db; } + + next; } + + $instance_graph_output .= "multigraph redis_connected_clients.$INSTANCE\n"; + $instance_graph_output .= "connected_clients.value " . $hash->{'connected_clients'} . "\n"; + $connected_clients += $hash->{'connected_clients'}; + $instance_graph_output .= "multigraph keys_per_sec.$INSTANCE\n"; + $instance_graph_output .= "hits.value " . $hash->{'keyspace_hits'} . "\n"; + $keyspace_hits += $hash->{'keyspace_hits'}; + $instance_graph_output .= "misses.value " . $hash->{'keyspace_misses'} . "\n"; + $keyspace_misses += $hash->{'keyspace_misses'}; + $instance_graph_output .= "expired.value " . $hash->{'expired_keys'} . "\n"; + $expired_keys += $hash->{'expired_keys'}; + $instance_graph_output .= "evicted_keys.value " . $hash->{'evicted_keys'} . "\n"; + $evicted_keys += $hash->{'evicted_keys'}; + $instance_graph_output .= "multigraph redis_key_ratio.$INSTANCE\n"; + my $total = $hash->{'keyspace_hits'} + $hash->{'keyspace_misses'}; + my $hitratio = 0; + my $missratio = 0; + if ($total > 0) { + $hitratio = $hash->{'keyspace_hits'} / $total * 100; + $missratio = $hash->{'keyspace_misses'} / $total * 100; + } + $instance_graph_output .= sprintf("hitratio.value %.2f\n", $hitratio); + $instance_graph_output .= sprintf("missratio.value %.2f\n", $missratio); + $instance_graph_output .= "multigraph redis_per_sec.$INSTANCE\n"; + $instance_graph_output .= "requests.value ". $hash->{'total_commands_processed'} ."\n"; + $total_commands_processed += $hash->{'total_commands_processed'}; + $instance_graph_output .= "connections.value ". $hash->{'total_connections_received'} ."\n"; + $total_connections_received += $hash->{'total_connections_received'}; + $instance_graph_output .= "multigraph redis_repl_backlog_size.$INSTANCE\n"; + $instance_graph_output .= "repl_backlog_size.value " . $hash->{'repl_backlog_size'} . "\n"; + $repl_backlog_size += $hash->{'repl_backlog_size'}; + + $instance_graph_output .= "multigraph redis_repl_lag.$INSTANCE\n"; + if (exists $hash->{slave0} && $hash->{slave0} =~ /lag=(\d+)/) { + $repl_backlog_size += $1; + $instance_graph_output .= "repl_backlog_size.value " . $1 . "\n"; + } else { + $instance_graph_output .= "repl_backlog_size.value 0\n"; + } + + + $instance_graph_output .= "multigraph redis_used_memory.$INSTANCE\n"; + $instance_graph_output .= "used_memory.value ". $hash->{'used_memory'} ."\n"; + + $used_memory += $hash->{'used_memory'}; + $instance_graph_output .= "used_memory_rss.value ". $hash->{'used_memory_rss'} ."\n"; + $used_memory_rss += $hash->{'used_memory_rss'}; + $instance_graph_output .= "used_memory_peak.value ". $hash->{'used_memory_peak'} ."\n"; + $used_memory_peak += $hash->{'used_memory_peak'}; + + $instance_graph_output .= "multigraph redis_used_keys.$INSTANCE\n"; + foreach my $db (keys %{$dbs}) { + $instance_graph_output .= sprintf "%s_keys.value %d\n", $db, $dbs->{$db}[0]; + $instance_graph_output .= sprintf "%s_expires.value %d\n", $db, $dbs->{$db}[1]; + } + close ($sock); } -close ($sock); +# multigraph output +if ($config) { + $multi_graph_output .= "multigraph redis_connected_clients\n"; + $multi_graph_output .= "graph_title Connected clients\n"; + $multi_graph_output .= "graph_vlabel Connected clients\n"; + $multi_graph_output .= "graph_category db\n"; + $multi_graph_output .= "graph_args -l 0\n"; + $multi_graph_output .= "connected_clients.label connected clients\n"; + $multi_graph_output .= "multigraph keys_per_sec\n"; + $multi_graph_output .= "graph_title Keys Per Second\n"; + $multi_graph_output .= "graph_vlabel per \${graph_period}\n"; + $multi_graph_output .= "graph_category db\n"; + $multi_graph_output .= "graph_args -l 0\n"; + $multi_graph_output .= "hits.label hits\n"; + $multi_graph_output .= "hits.type COUNTER\n"; + $multi_graph_output .= "misses.label misses\n"; + $multi_graph_output .= "misses.type COUNTER\n"; + $multi_graph_output .= "expired.label expirations\n"; + $multi_graph_output .= "expired.type COUNTER\n"; + $multi_graph_output .= "evicted_keys.label evictions\n"; + $multi_graph_output .= "evicted_keys.type COUNTER\n"; + $multi_graph_output .= "multigraph redis_key_ratio\n"; + $multi_graph_output .= "graph_title Key Hit vs Miss Ratio\n"; + $multi_graph_output .= "graph_vlabel per \${graph_period}\n"; + $multi_graph_output .= "graph_category db\n"; + $multi_graph_output .= "graph_args -u 100 -l 0 -r --base 1000\n"; + $multi_graph_output .= "hitratio.label hit ratio\n"; + $multi_graph_output .= "hitratio.type GAUGE\n"; + $multi_graph_output .= "hitratio.draw AREA\n"; + $multi_graph_output .= "missratio.label miss ratio\n"; + $multi_graph_output .= "missratio.type GAUGE\n"; + $multi_graph_output .= "missratio.draw STACK\n"; + $multi_graph_output .= "multigraph redis_per_sec\n"; + $multi_graph_output .= "graph_title Requests Per second\n"; + $multi_graph_output .= "graph_vlabel per \${graph_period}\n"; + $multi_graph_output .= "graph_category db\n"; + $multi_graph_output .= "graph_args -l 0\n"; + $multi_graph_output .= "requests.label requests\n"; + $multi_graph_output .= "requests.type COUNTER\n"; + $multi_graph_output .= "connections.label connections\n"; + $multi_graph_output .= "connections.type COUNTER\n"; + $multi_graph_output .= "multigraph redis_repl_backlog_size\n"; + $multi_graph_output .= "graph_title replication backlog\n"; + $multi_graph_output .= "graph_vlabel replication backlog\n"; + $multi_graph_output .= "graph_category db\n"; + $multi_graph_output .= "graph_args -l 0\n"; + $multi_graph_output .= "repl_backlog_size.label bytes behind master\n"; + $multi_graph_output .= "multigraph redis_repl_lag\n"; + $multi_graph_output .= "graph_title replication lag\n"; + $multi_graph_output .= "graph_vlabel replication lag\n"; + $multi_graph_output .= "graph_category db\n"; + $multi_graph_output .= "graph_args -l 0\n"; + $multi_graph_output .= "repl_backlog_size.label amount behind master\n"; + $multi_graph_output .= "multigraph redis_used_memory\n"; + $multi_graph_output .= "graph_title Used memory\n"; + $multi_graph_output .= "graph_vlabel Used memory\n"; + $multi_graph_output .= "graph_category db\n"; + $multi_graph_output .= "graph_args -l 0 --base 1024\n"; + $multi_graph_output .= "used_memory.label used memory\n"; + $multi_graph_output .= "used_memory_peak.label used memory in peak\n"; + $multi_graph_output .= "used_memory_rss.label Resident set size memory usage\n"; + $multi_graph_output .= "multigraph redis_used_keys\n"; + $multi_graph_output .= "graph_title Used keys\n"; + $multi_graph_output .= "graph_vlabel Used keys\n"; + $multi_graph_output .= "graph_category db\n"; + $multi_graph_output .= "graph_args -l 0\n"; + $multi_graph_output .= "total_keys.label Total keys\n"; + $multi_graph_output .= "total_expires.label Total expires\n"; +} else { + + $multi_graph_output .= "multigraph redis_connected_clients\n"; + $multi_graph_output .= "connected_clients.value " . $connected_clients . "\n"; + $multi_graph_output .= "multigraph keys_per_sec\n"; + $multi_graph_output .= "hits.value " . $keyspace_hits . "\n"; + $multi_graph_output .= "misses.value " . $keyspace_misses . "\n"; + $multi_graph_output .= "expired.value " . $expired_keys . "\n"; + $multi_graph_output .= "evicted_keys.value " . $evicted_keys . "\n"; + $multi_graph_output .= "multigraph redis_key_ratio\n"; + my $total = $keyspace_hits + $keyspace_misses; + my $hitratio = 0; + my $missratio = 0; + if ($total > 0) { + $hitratio = $keyspace_hits / $total * 100; + $missratio = $keyspace_misses / $total * 100; + } + $multi_graph_output .= sprintf("hitratio.value %.2f\n", $hitratio); + $multi_graph_output .= sprintf("missratio.value %.2f\n", $missratio); + $multi_graph_output .= "multigraph redis_per_sec\n"; + $multi_graph_output .= "requests.value ". $total_commands_processed ."\n"; + $multi_graph_output .= "connections.value ". $total_connections_received ."\n"; + $multi_graph_output .= "multigraph redis_repl_backlog_size\n"; + $multi_graph_output .= "repl_backlog_size.value " . $repl_backlog_size . "\n"; + + $multi_graph_output .= "multigraph redis_repl_lag\n"; + $multi_graph_output .= "repl_backlog_size.value " . $repl_backlog_size . "\n"; + + + $multi_graph_output .= "multigraph redis_used_memory\n"; + $multi_graph_output .= "used_memory.value ". $used_memory ."\n"; + + $multi_graph_output .= "used_memory_rss.value ". $used_memory_rss ."\n"; + $multi_graph_output .= "used_memory_peak.value ". $used_memory_peak ."\n"; + + $multi_graph_output .= "multigraph redis_used_keys\n"; + $multi_graph_output .= "total_keys.value $total_keys\n"; + $multi_graph_output .= "total_expires.value $total_expires\n"; + +} +print $multi_graph_output; +print $instance_graph_output; sub get_conn { - + my $sock; - - if( $UNIX_SOCKET && -S $UNIX_SOCKET ){ - - $sock = IO::Socket::UNIX->new( - Type => SOCK_STREAM(), - Peer => $UNIX_SOCKET, - ); - + + if(-S $HOST ){ + + $sock = IO::Socket::UNIX->new( + Type => SOCK_STREAM(), + Peer => $HOST, + ); }else{ - - $sock = IO::Socket::INET->new( - PeerAddr => $HOST, - PeerPort => $PORT, - Timeout => 10, - Proto => 'tcp' - ); + + $sock = IO::Socket::INET->new( + PeerAddr => $HOST, + PeerPort => $PORT, + Timeout => 10, + Proto => 'tcp' + ); } - + + if (! defined($sock)) { + die "can't read socket: $!"; + } + if ( defined( $PASSWORD ) ) { print $sock "AUTH ", $PASSWORD, "\r\n"; my $result = <$sock> || die "can't read socket: $!"; } + return $sock; } sub get_info{ + my $sock = $_[0]; print $sock "INFO\r\n"; my $result = <$sock> || die "can't read socket: $!"; @@ -257,13 +453,12 @@ sub get_info{ # This subroutine returns configuration matched to supplied as object sub get_config{ - + my $sock = $_[1]; print $sock "*3\r\n\$6\r\nCONFIG\r\n\$3\r\nGET\r\n\$".length($_[0])."\r\n".$_[0]."\r\n"; # Response will look like like # *2\r\n$9\r\nmaxmemory\r\n$10\r\n3221225472\r\n my $type = <$sock> || die "can't read socket: $!"; - my $conf; if( substr($type,0,1) ne "*" ) { return $conf;