486 lines
20 KiB
Perl
486 lines
20 KiB
Perl
#!/usr/bin/perl -w
|
|
|
|
=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 <https://www.rwky.net/>
|
|
Copyright (C) 2009 Gleb Voronich <http://stanly.net.ua/>
|
|
|
|
=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;
|
|
|
|
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 $config = ( defined $ARGV[0] and $ARGV[0] eq "config" );
|
|
my $autoconf = ( defined $ARGV[0] and $ARGV[0] eq "autoconf" );
|
|
if ( $autoconf ) {
|
|
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;
|
|
}
|
|
|
|
my $total = 0;
|
|
|
|
my $multi_graph_output = '';
|
|
my $instance_graph_output = '';
|
|
|
|
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 ];
|
|
}
|
|
}
|
|
|
|
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";
|
|
}
|
|
$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}) {
|
|
$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 ($sock);
|
|
}
|
|
|
|
# multigraph output
|
|
if ($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(-S $HOST ){
|
|
|
|
$sock = IO::Socket::UNIX->new(
|
|
Type => SOCK_STREAM(),
|
|
Peer => $HOST,
|
|
);
|
|
}else{
|
|
|
|
$sock = IO::Socket::INET->new(
|
|
PeerAddr => $HOST,
|
|
PeerPort => $PORT,
|
|
Timeout => 10,
|
|
Proto => 'tcp'
|
|
);
|
|
}
|
|
|
|
if (! defined($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: $!";
|
|
|
|
my $rep;
|
|
# +2 characters for \r\n at end of the data block
|
|
read($sock, $rep, substr($result,1)+2) || die "can't read from socket: $!";
|
|
|
|
my $hash;
|
|
foreach (split(/\r\n/, substr($rep, 0, -2))) {
|
|
my ($key,$val) = split(/:/, $_, 2);
|
|
if (defined($key)) {
|
|
$hash->{$key} = $val;
|
|
}
|
|
}
|
|
return $hash;
|
|
}
|
|
|
|
# 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;
|
|
}
|
|
|
|
my $count=substr($type,1);
|
|
|
|
my ( $namesize, $name, $valuesize, $value );
|
|
while ( $count > 1 ){
|
|
$count=$count-2;
|
|
|
|
$namesize=<$sock>;
|
|
read($sock, $name, substr($namesize,1)+2) || die "can't read from socket: $!";
|
|
|
|
$valuesize=<$sock>;
|
|
read($sock, $value, substr($valuesize,1)+2) || die "can't read from socket: $!";
|
|
|
|
$conf->{substr($name, 0, -2)}=substr($value, 0, -2);
|
|
}
|
|
|
|
return $conf;
|
|
}
|
|
|
|
# vim: ft=perl ai ts=4 sw=4 et:
|