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haproxyng
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haproxyng
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#!/usr/bin/perl
# haproxyng Munin Plugin
# Multigraph plugin which monitors the haproxy service.
# (c) 2014-2015 Jonathan Wright <jon@than.io>
#
# 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; either version 2
# of the License, or (at your option) any later version.
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# Configure the Perl Environment
use warnings;
use Carp;
use Switch;
# Import Modules
use Munin::Plugin;
use IO::Socket::UNIX qw( SOCK_STREAM );
use Data::Dumper;
# Configure Program details
our ($_program, $_version, $_author);
$_program = 'haproxyng';
$_version = '1.0.1';
$_author = 'Jonathan Wright <jon@than.io>';
use constant {
# Field names to locations for all the CSV data provided by HAProxy
STAT_PROXY_NAME => 0,
STAT_SERVICE_NAME => 1,
STAT_QUEUED_REQUESTS => 2,
STAT_QUEUED_MAX => 3,
STAT_SESSIONS_CURRENT => 4,
STAT_SESSIONS_MAX => 5,
STAT_SESSIONS_LIMIT => 6,
STAT_CONNECTIONS_TOTAL => 7,
STAT_BYTES_IN => 8,
STAT_BYTES_OUT => 9,
STAT_REQUESTS_DENIED => 10,
STAT_RESPONSES_DENIED => 11,
STAT_REQUESTS_ERROR => 12,
STAT_CONNECTIONS_ERROR => 13,
STAT_RESPONSES_ERROR => 14,
STAT_CONNECTIONS_RETRIED => 15,
STAT_CONNECTIONS_REDISPATCHED => 16,
STAT_STATUS => 17,
STAT_WEIGHT => 18,
STAT_SERVER_ACTIVE => 19, STAT_SERVERS_ACTIVE => 19,
STAT_SERVER_BACKUP => 20, STAT_SERVERS_BACKUP => 20,
STAT_CHECKS_FAIL => 21,
STAT_CHECKS_GO_DOWN => 22,
STAT_CHECKS_LAST_CHANGE => 23,
STAT_CHECKS_DOWNTIME => 24,
STAT_QUEUED_LIMIT => 25,
STAT_PID => 26,
STAT_UID => 27,
STAT_SID => 28,
STAT_THROTTLE => 29,
STAT_SESSIONS_TOTAL => 30,
STAT_TRACKED => 31,
STAT_SERVICE_TYPE => 32,
STAT_SESSIONS_RATE_CURRENT => 33,
STAT_SESSIONS_RATE_LIMIT => 34,
STAT_SESSIONS_RATE_MAX => 35,
STAT_CHECK_STATUS => 36,
STAT_CHECK_CODE => 37,
STAT_CHECK_DURATION => 38,
STAT_RESPONSES_HTTP_1XX => 39,
STAT_RESPONSES_HTTP_2XX => 40,
STAT_RESPONSES_HTTP_3XX => 41,
STAT_RESPONSES_HTTP_4XX => 42,
STAT_RESPONSES_HTTP_5XX => 43,
STAT_RESPONSES_HTTP_XXX => 44,
STAT_CHECK_FAILED_DETAILS => 45,
STAT_REQUESTS_RATE_CURRENT => 46,
STAT_REQUESTS_RATE_MAX => 47,
STAT_REQUESTS_TOTAL => 48,
STAT_ABORTS_CLIENT => 49,
STAT_ABORTS_SERVER => 50,
STAT_COMPRESSOR_IN => 51,
STAT_COMPRESSOR_OUT => 52,
STAT_COMPRESSOR_BYPASSED => 53,
STAT_COMPRESSOR_REQUESTS => 54,
STAT_SESSIONS_LAST => 55,
STAT_CHECK_HEALTH_LAST => 56,
STAT_CHECK_AGENT_LAST => 57,
STAT_TIME_QUEUE => 58,
STAT_TIME_CONNECT => 59,
STAT_TIME_RESPONSE => 60,
STAT_TIME_TOTAL => 61,
# Types used by HAProxy for some fields
TYPE_FRONTEND => 0,
TYPE_BACKEND => 1,
TYPE_SERVER => 2,
TYPE_LISTENER => 3,
# Types used to define which attributed to give a graph
TYPE_BANDWIDTH => 0,
TYPE_TIMING => 1,
TYPE_SESSIONS => 2,
TYPE_RESPONSES => 3,
TYPE_BACKENDS => 4,
# Program-specific constants
GRAPH_CATEGORY => 'haproxyng',
GRAPH_WIDTH => 500,
FETCH => 0,
CONFIG => 1,
# Configurable limits
MAX_BANDWIDTH => (1024**3),
MAX_TIMING => (1200000),
MAX_SESSIONS => (10000),
MAX_RESPONSES => (100000),
MAX_BACKENDS => (1000),
# Constants to match Munin keywords
DERIVE => 'DERIVE',
GAUGE => 'GAUGE',
AREASTACK => 'AREASTACK',
LINE1 => 'LINE1',
COLOUR_BLACK => '000000',
};
# Configure basic variables for program operation
our ($_socket, $_clean, %data);
# Get the location of the socket we'll connect to
$_socket = exists $ENV{'socket'} ? $ENV{'socket'} : '/var/run/haproxy.sock';
$_clean = (exists $ENV{'clean'} ? quotemeta $ENV{'clean'} : '');
MAIN: {
# This is a special multi-graph plugin, so make sure that whatever version
# of Munin we're running in is enabled and configured for it.
need_multigraph();
# Now work out what we are being asked to do, then run it.
my $request = $ARGV[0] || "fetch";
eval "do_${request}();"
or croak "do_${request}: $@";
# and then finish
exit 0;
}
sub get_data {
my ($t, %v); $t = shift;
my $s = IO::Socket::UNIX->new(
Peer => $_socket,
Type => SOCK_STREAM,
Timeout => 1
) or croak "Cannot connect to socket ".$_socket;
print $s "show stat\n";
while (<$s>) {
chomp; next unless length;
my @stat = split (',');
switch ($stat[STAT_SERVICE_TYPE]) {
# Process all FRONTEND type entries; these are singular and are totals
# only for each of the frontends configured
case TYPE_FRONTEND {
$v{$stat[STAT_PROXY_NAME]} = {
type => TYPE_FRONTEND,
connections => ($stat[STAT_CONNECTIONS_TOTAL] || 0),
sessions => ($stat[STAT_SESSIONS_CURRENT] || 0),
queued => 0,
bandwidth => {
in => ($stat[STAT_BYTES_IN] || 0),
out => ($stat[STAT_BYTES_OUT] || 0),
},
responses => {
total => ($stat[STAT_REQUESTS_TOTAL] || 0),
http1xx => ($stat[STAT_RESPONSES_HTTP_1XX] || 0),
http2xx => ($stat[STAT_RESPONSES_HTTP_2XX] || 0),
http3xx => ($stat[STAT_RESPONSES_HTTP_3XX] || 0),
http4xx => ($stat[STAT_RESPONSES_HTTP_4XX] || 0),
http5xx => ($stat[STAT_RESPONSES_HTTP_5XX] || 0),
httpxxx => ($stat[STAT_RESPONSES_HTTP_XXX] || 0),
},
};
}
# Process all BACKEND type entries; these are the totals for each backend
# and don't have the same amount of information as SERVERs
case TYPE_BACKEND {
# We can't 'set' the hash here as the backend totals are normally after
# the backend's servers, so would override anything previously set
# in TYPE_SERVER
$v{$stat[STAT_PROXY_NAME]}{'type'} = TYPE_BACKEND;
$v{$stat[STAT_PROXY_NAME]}{'connections'} = ($stat[STAT_CONNECTIONS_TOTAL] || 0);
$v{$stat[STAT_PROXY_NAME]}{'sessions'} = ($stat[STAT_SESSIONS_CURRENT] || 0);
$v{$stat[STAT_PROXY_NAME]}{'queued'} = ($stat[STAT_QUEUED_REQUESTS] || 0);
$v{$stat[STAT_PROXY_NAME]}{'active'} = ($stat[STAT_SERVERS_ACTIVE] || 0);
$v{$stat[STAT_PROXY_NAME]}{'backup'} = ($stat[STAT_SERVERS_BACKUP] || 0);
$v{$stat[STAT_PROXY_NAME]}{'bandwidth'} = {
in => ($stat[STAT_BYTES_IN] || 0),
out => ($stat[STAT_BYTES_OUT] || 0),
};
$v{$stat[STAT_PROXY_NAME]}{'responses'} = {
total => ($stat[STAT_RESPONSES_HTTP_1XX] || 0)
+ ($stat[STAT_RESPONSES_HTTP_2XX] || 0)
+ ($stat[STAT_RESPONSES_HTTP_3XX] || 0)
+ ($stat[STAT_RESPONSES_HTTP_4XX] || 0)
+ ($stat[STAT_RESPONSES_HTTP_5XX] || 0)
+ ($stat[STAT_RESPONSES_HTTP_XXX] || 0),
http1xx => ($stat[STAT_RESPONSES_HTTP_1XX] || 0),
http2xx => ($stat[STAT_RESPONSES_HTTP_2XX] || 0),
http3xx => ($stat[STAT_RESPONSES_HTTP_3XX] || 0),
http4xx => ($stat[STAT_RESPONSES_HTTP_4XX] || 0),
http5xx => ($stat[STAT_RESPONSES_HTTP_5XX] || 0),
httpxxx => ($stat[STAT_RESPONSES_HTTP_XXX] || 0),
};
}
# Process all SERVER type entries, which are the most details and give
# information about how each server is responding
case TYPE_SERVER {
# Only set the server itself directly, otherwise we may override
# anything previously set
$v{$stat[STAT_PROXY_NAME]}{'servers'}{$stat[STAT_SERVICE_NAME]} = {
active => ($stat[STAT_SERVER_ACTIVE] ? 1 : 0),
backup => ($stat[STAT_SERVER_BACKUP] ? 1 : 0),
up => ($stat[STAT_STATUS] eq 'UP' ? 1 : 0),
down => ($stat[STAT_STATUS] eq 'DOWN' ? 1 : 0),
disabled => ($stat[STAT_STATUS] =~ /^(MAINT|DRAIN|NOLB)/i ? 1 : 0),
connections => ($stat[STAT_CONNECTIONS_TOTAL] || 0),
sessions => ($stat[STAT_SESSIONS_CURRENT] || 0),
queued => ($stat[STAT_QUEUED_REQUESTS] || 0),
bandwidth => {
in => ($stat[STAT_BYTES_IN] || 0),
out => ($stat[STAT_BYTES_OUT] || 0),
},
status => ($stat[STAT_STATUS] || 0),
timing => {
queue => ($stat[STAT_TIME_QUEUE] || 0),
connect => ($stat[STAT_TIME_CONNECT] || 0),
response => ($stat[STAT_TIME_RESPONSE] || 0),
total => ($stat[STAT_TIME_TOTAL] || 0)
},
responses => {
total => ($stat[STAT_RESPONSES_HTTP_1XX] || 0)
+ ($stat[STAT_RESPONSES_HTTP_2XX] || 0)
+ ($stat[STAT_RESPONSES_HTTP_3XX] || 0)
+ ($stat[STAT_RESPONSES_HTTP_4XX] || 0)
+ ($stat[STAT_RESPONSES_HTTP_5XX] || 0)
+ ($stat[STAT_RESPONSES_HTTP_XXX] || 0),
http1xx => ($stat[STAT_RESPONSES_HTTP_1XX] || 0),
http2xx => ($stat[STAT_RESPONSES_HTTP_2XX] || 0),
http3xx => ($stat[STAT_RESPONSES_HTTP_3XX] || 0),
http4xx => ($stat[STAT_RESPONSES_HTTP_4XX] || 0),
http5xx => ($stat[STAT_RESPONSES_HTTP_5XX] || 0),
httpxxx => ($stat[STAT_RESPONSES_HTTP_XXX] || 0),
},
};
}
}
}
# print Dumper(\%v);
return %v;
}
sub mg_fetch {
my ($type, $name, $values) = (shift, shift, shift);
my %values_ = %{$values};
my $type_ = $type eq TYPE_FRONTEND ? '_fe' :
$type eq TYPE_BACKEND ? '_be' : '';
my $name_;
foreach my $level (@{$name}) {
$level =~ s/[^a-z0-9]+/_/g;
$name_ .= ($name_ ? '.' : '').$level;
}
printf "multigraph %s%s_%s\n", GRAPH_CATEGORY, $type_, $name_;
foreach my $key (sort keys %values_) {
(my $key_ = $key) =~ s/[^a-z0-9]+/_/g;
printf "%s.value %0.0f\n", $key_, $values_{$key};
}
print "\n";
}
sub mg_config {
my ($graph, $type, $name, $title, $metrics) = (shift, shift, shift, shift, shift, shift);
my %metrics_ = %{$metrics};
my $type_ = $type eq TYPE_FRONTEND ? '_fe' :
$type eq TYPE_BACKEND ? '_be' : '';
$title =~ s/$_clean//g if $_clean;
my $title_ = $type eq TYPE_FRONTEND ? ' Frontend' :
$type eq TYPE_BACKEND ? ' Backend' : '';
my $name_;
foreach my $level (@{$name}) {
next unless $level;
$level =~ s/[^a-z0-9]+/_/g;
$name_ .= ($name_ ? '.' : '').$level;
}
my $max = undef;
printf "multigraph %s%s_%s\n", GRAPH_CATEGORY, $type_, $name_;
printf "graph_category %s\n", GRAPH_CATEGORY;
printf "graph_title HAProxy%s %s\n", $title_, $title;
printf "graph_width %d\n", GRAPH_WIDTH;
switch ($graph) {
case TYPE_BANDWIDTH {
print "graph_args --base 1024\n".
"graph_vlabel bits/second [in(-); out(+)]\n";
$max = MAX_BANDWIDTH;
}
case TYPE_TIMING {
print "graph_args --base 1000\n".
"graph_vlabel Time in Seconds\n";
$max = MAX_TIMING;
}
case TYPE_SESSIONS {
print "graph_args --base 1000\n".
"graph_vlabel [Queued(-); Sessions(+)]\n";
$max = MAX_SESSIONS;
}
case TYPE_RESPONSES {
print "graph_args --base 1000\n".
"graph_vlabel Responses per Second\n";
$max = MAX_RESPONSES;
}
case TYPE_BACKENDS {
print "graph_args --base 1000\n".
"graph_vlabel Total Backends\n";
$max = MAX_BACKENDS;
}
}
foreach my $metric (sort keys %metrics_) {
(my $metric_ = $metric) =~ s/[^a-z0-9]+/_/g;
foreach my $key (keys %{$metrics_{$metric}}) {
switch ($key) {
case 'label' {
my $value = $metrics_{$metric}{$key};
$value =~ s/$_clean//g if $_clean;
printf "%s.%s %s\n", $metric_, $key, $value;
}
case 'cdef' {
printf "%s.%s %s\n", $metric_, $key, $metric_.','.$metrics_{$metric}{$key};
}
case 'negative' {
my $value = $metrics_{$metric}{$key};
$value =~ s/[^a-z0-9]+/_/g;
printf "%s.%s %s\n", $metric_, $key, $value;
}
printf "%s.%s %s\n", $metric_, $key, $metrics_{$metric}{$key};
}
}
# Always add min/max if max has been defined
if ($max) {
printf "%s.%s %s\n", $metric_, 'min', 0;
printf "%s.%s %s\n", $metric_, 'max', $max if $max;
}
}
print "\n";
}
# frontend(bandwidth)
# backend(bandwidth)
# frontend(bandwidth/service)
# backend(bandwidth/service)
# backend(bandwidth/service/host)
sub haproxy_bandwidth {
my ($operation, $data_) = (shift, shift);
my %data = %{$data_};
switch ($operation) {
case CONFIG {
my (%fe_metrics, %be_metrics, %submetrics);
foreach my $service (sort keys %data) {
undef %submetrics;
# Prepare the field configuration
my %in = (
label => $service,
type => DERIVE,
cdef => '8,*',
graph => 'no',
);
my %out = (
label => $service,
type => DERIVE,
cdef => '8,*',
draw => AREASTACK,
negative => "${service}_in",
);
# This will copy the hash for the main metric
switch ($data{$service}{'type'}) {
case TYPE_FRONTEND {
%{$fe_metrics{"${service}_in"}} = %in;
%{$fe_metrics{"${service}_out"}} = %out;
}
case TYPE_BACKEND {
%{$be_metrics{"${service}_in"}} = %in;
%{$be_metrics{"${service}_out"}} = %out;
}
}
# next unless $data{$service}{'type'} eq TYPE_BACKEND;
# Override these for the totals in the sub metric graph
$in{'label'} = $out{'label'} = 'Total';
$out{'negative'} = 'total_in';
$out{'draw'} = LINE1;
# This will copy the hash for the submetric
%{$submetrics{'total_in'}} = %in;
%{$submetrics{'total_out'}} = %out;
$submetrics{'total_out'}{'colour'} = COLOUR_BLACK;
# Loop through each of the available servers
foreach my $server (sort keys %{$data{$service}{'servers'}}) {
next if $data{$service}{'servers'}{$server}{'backup'};
# Override these for the per-Service graph
$in{'label'} = $out{'label'} = $server;
$out{'negative'} = "${server}_in";
$out{'draw'} = AREASTACK;
# This will copy the hash for the submetric
%{$submetrics{"${server}_in"}} = %in;
%{$submetrics{"${server}_out"}} = %out;
# Override these for the per-Host graph
$in{'label'} = $out{'label'} = 'Bandwidth';
$out{'negative'} = 'total_in';
$out{'draw'} = LINE1;
$out{'colour'} = COLOUR_BLACK;
mg_config(TYPE_BANDWIDTH, $data{$service}{'type'}, ['bandwidth', $service, $server],
'Bandwidth for '.$service.' via '.$server, {
total_in => \%in,
total_out => \%out,
});
delete $out{'colour'};
}
mg_config(TYPE_BANDWIDTH, $data{$service}{'type'}, ['bandwidth', $service],
'Bandwidth for '.$service, \%submetrics);
}
mg_config(TYPE_BANDWIDTH, TYPE_FRONTEND, ['bandwidth'],
'Bandwidth Overview', \%fe_metrics);
mg_config(TYPE_BANDWIDTH, TYPE_BACKEND, ['bandwidth'],
'Bandwidth Overview', \%be_metrics);
}
case FETCH {
my (%values);
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_FRONTEND;
$values{"${service}_in"} = $data{$service}{'bandwidth'}{'in'};
$values{"${service}_out"} = $data{$service}{'bandwidth'}{'out'};
}
mg_fetch(TYPE_FRONTEND, ['bandwidth'], \%values);
undef %values;
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_BACKEND;
$values{"${service}_in"} = $data{$service}{'bandwidth'}{'in'};
$values{"${service}_out"} = $data{$service}{'bandwidth'}{'out'};
}
mg_fetch(TYPE_BACKEND, ['bandwidth'], \%values);
foreach my $service (sort keys %data) {
%values = (
total_in => $data{$service}{'bandwidth'}{'in'},
total_out => $data{$service}{'bandwidth'}{'out'},
);
foreach my $server (sort keys %{$data{$service}{'servers'}}) {
next if $data{$service}{'servers'}{$server}{'backup'};
$values{"${server}_in"} = $data{$service}{'servers'}{$server}{'bandwidth'}{'in'};
$values{"${server}_out"} = $data{$service}{'servers'}{$server}{'bandwidth'}{'out'};
mg_fetch($data{$service}{'type'}, ['bandwidth', $service, $server], {
total_in => $data{$service}{'servers'}{$server}{'bandwidth'}{'in'},
total_out => $data{$service}{'servers'}{$server}{'bandwidth'}{'out'},
});
}
mg_fetch($data{$service}{'type'}, ['bandwidth', $service], \%values);
}
}
}
}
# backend(timing)
# backend(timing/service)
# backend(timing/service/host)
sub haproxy_timing {
my ($operation, $data_) = (shift, shift);
my %data = %{$data_};
switch ($operation) {
case CONFIG {
my (%metrics, %submetrics);
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_BACKEND;
undef %submetrics;
# Prepare the field configuration
my %time = (
label => $service,
type => GAUGE,
cdef => '1000,/',
draw => LINE1,
);
# This will copy the hash for the main metric
%{$metrics{$service}} = %time;
# Loop through each of the available servers
foreach my $server (sort keys %{$data{$service}{'servers'}}) {
next if $data{$service}{'servers'}{$server}{'backup'};
# Override these for the per-Service graph
$time{'label'} = $server;
# This will copy the hash for the submetric
%{$submetrics{$server}} = %time;
# Copy and override these for the per-Host graph
my %queue = %time; $queue{'label'} = 'Queue';
my %connect = %time; $connect{'label'} = 'Connect';
my %response = %time; $response{'label'} = 'Response';
my %total = %time; $total{'label'} = 'Total';
mg_config(TYPE_TIMING, TYPE_BACKEND, ['timing', $service, $server],
'Server Timing for '.$service.' via '.$server, {
queue => \%queue,
connect => \%connect,
response => \%response,
total => \%total,
});
}
mg_config(TYPE_TIMING, TYPE_BACKEND, ['timing', $service],
'Server Timing for '.$service, \%submetrics);
}
mg_config(TYPE_TIMING, TYPE_BACKEND, ['timing'],
'Server Timing Overview', \%metrics);
}
case FETCH {
my (%values);
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_BACKEND;
my ($count, $total) = (0,0);
foreach my $server (sort keys %{$data{$service}{'servers'}}) {
++$count;
$total+=$data{$service}{'servers'}{$server}{'timing'}{'total'};
}
$values{$service} = ($count > 0 ? $total/$count : 0);
}
mg_fetch(TYPE_BACKEND, ['timing'], \%values);
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_BACKEND;
undef %values;
foreach my $server (sort keys %{$data{$service}{'servers'}}) {
next if $data{$service}{'servers'}{$server}{'backup'};
$values{$server} = $data{$service}{'servers'}{$server}{'timing'}{'total'};
mg_fetch(TYPE_BACKEND, ['timing', $service, $server],
$data{$service}{'servers'}{$server}{'timing'});
}
mg_fetch(TYPE_BACKEND, ['timing', $service], \%values);
}
}
}
}
# frontend(sessions)
# frontend(sessions/service)
# backend(sessions)
# backend(sessions/service)
# backend(sessions/service/host)
sub haproxy_sessions {
my ($operation, $data_) = (shift, shift);
my %data = %{$data_};
switch ($operation) {
case CONFIG {
my (%metrics, %submetrics);
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_FRONTEND;
my %sessions = (
label => $service,
type => GAUGE,
draw => LINE1,
);
%{$metrics{"${service}_sessions"}} = %sessions;
# Override these for the per-Service graph
$sessions{'label'} = 'Sessions';
mg_config(TYPE_SESSIONS, TYPE_FRONTEND, ['sessions', $service],
'Sessions for '.$service, {
sessions => \%sessions,
});
}
mg_config(TYPE_SESSIONS, TYPE_FRONTEND, ['sessions'],
'Sessions Overview', \%metrics);
undef %metrics;
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_BACKEND;
undef %submetrics;
# Prepare the field configuration
my %queued = (
label => $service,
type => GAUGE,
graph => 'no',
);
my %sessions = (
label => $service,
type => GAUGE,
draw => LINE1,
negative => "${service}_queued",
);
# This will copy the hash for the main metric
%{$metrics{"${service}_queued"}} = %queued;
%{$metrics{"${service}_sessions"}} = %sessions;
# Override these for the totals in the sub metric graph
$queued{'label'} = $sessions{'label'} = 'Total';
$out{'negative'} = 'total_queued';
$out{'draw'} = LINE1;
# This will copy the hash for the submetric
%{$submetrics{'total_queued'}} = %queued;
%{$submetrics{'total_sessions'}} = %sessions;
# Loop through each of the available servers
foreach my $server (sort keys %{$data{$service}{'servers'}}) {
next if $data{$service}{'servers'}{$server}{'backup'};
# Override these for the per-Service graph
$in{'label'} = $out{'label'} = $server;
$out{'negative'} = "${server}_queued";
$out{'draw'} = AREASTACK;
# This will copy the hash for the submetric
%{$submetrics{"${server}_queued"}} = %queued;
%{$submetrics{"${server}_sessions"}} = %sessions;
# Override these for the per-Host graph
$in{'label'} = $out{'label'} = 'Sessions';
$out{'negative'} = 'queued';
$out{'draw'} = LINE1;
mg_config(TYPE_SESSIONS, TYPE_BACKEND, ['sessions', $service, $server],
'Sessions for '.$service.' via '.$server, {
queued => \%queued,
sessions => \%sessions,
});
}
mg_config(TYPE_SESSIONS, TYPE_BACKEND, ['sessions', $service],
'Sessions for '.$service, \%submetrics);
}
mg_config(TYPE_SESSIONS, TYPE_BACKEND, ['sessions'],
'Sessions Overview', \%metrics);
}
case FETCH {
my (%values);
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_FRONTEND;
$values{"${service}_sessions"} = $data{$service}{'sessions'};
mg_fetch(TYPE_FRONTEND, ['sessions', $service], {
sessions => $data{$service}{'sessions'},
});
}
mg_fetch(TYPE_FRONTEND, ['sessions'], \%values);
undef %values;
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_BACKEND;
$values{"${service}_sessions"} = $data{$service}{'sessions'};
$values{"${service}_queued"} = $data{$service}{'queued'};
}
mg_fetch(TYPE_BACKEND, ['sessions'], \%values);
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_BACKEND;
%values = (
total_sessions => $data{$service}{'sessions'},
total_queued => $data{$service}{'queued'},
);
foreach my $server (sort keys %{$data{$service}{'servers'}}) {
next if $data{$service}{'servers'}{$server}{'backup'};
$values{"${server}_sessions"} = $data{$service}{'servers'}{$server}{'sessions'};
$values{"${server}_queued"} = $data{$service}{'servers'}{$server}{'queued'};
mg_fetch(TYPE_BACKEND, ['sessions', $service, $server], {
sessions => $data{$service}{'servers'}{$server}{'sessions'},
queued => $data{$service}{'servers'}{$server}{'queued'},
});
}
mg_fetch(TYPE_BACKEND, ['sessions', $service], \%values);
}
}
}
}
# frontend(responses)
# frontend(responses/service(status))
# frontend(responses/service(status)/status)
# backend(responses)
# backend(responses/service(server))
# backend(responses/service(server)/server)
# backend(responses/service(status))
# backend(responses/service(status)/status)
# backend(responses/service(status)/status/server)
sub haproxy_responses {
my ($operation, $data_) = (shift, shift);
my %data = %{$data_};
switch ($operation) {
case CONFIG {
my (%fe_metrics, %be_metrics, %submetrics, $subsubmetrics);
foreach my $service (sort keys %data) {
my %response = (
label => $service,
type => DERIVE,
draw => LINE1,
);
switch ($data{$service}{'type'}) {
case TYPE_FRONTEND {
%{$fe_metrics{$service}} = %response;
}
case TYPE_BACKEND {
%{$be_metrics{$service}} = %response;
}
}
undef %submetrics;
foreach my $response (sort keys %{$data{$service}{'responses'}}) {
$response_ = ($response =~ /([12345])xx$/ ? "HTTP ${1}xx" :
$response eq 'total' ? "Total" : "Other");
$draw_ = ($response_ eq 'Total' ? LINE1 : AREASTACK);
%{$submetrics{$response}} = (
label => $response_,
type => DERIVE,
draw => $draw_,
);
$submetrics{$response}{'colour'} = COLOUR_BLACK if $response eq 'total';
switch ($data{$service}{'type'}) {
case TYPE_FRONTEND {
mg_config(TYPE_RESPONSES, $data{$service}{'type'}, ['responses', $service, $response],
"${response_} Responses for ${service}", {
responses => {
label => 'Responses',
type => DERIVE,
draw => LINE1,
}
});
}
case TYPE_BACKEND {
undef %subsubmetrics;
foreach my $server (sort keys %{$data{$service}{'servers'}}) {
next if $data{$service}{'servers'}{$server}{'backup'};
%{$subsubmetrics{$server}} = (
label => $server,
type => DERIVE,
draw => AREASTACK,
);
mg_config(TYPE_RESPONSES, $data{$service}{'type'}, ['responses', $service, $response, $server],
"${response_} Responses for ${service} via ${server}", {
responses => {
label => 'Responses',
type => DERIVE,
draw => LINE1,
}
});
}
%{$subsubmetrics{'total'}} = (
label => 'Total',
type => DERIVE,
draw => LINE1,
colour => COLOUR_BLACK,
);
mg_config(TYPE_RESPONSES, $data{$service}{'type'}, ['responses', $service, $response],
"${response_} Responses for ${service}", \%subsubmetrics);
}
}
}
mg_config(TYPE_RESPONSES, $data{$service}{'type'}, ['responses', $service],
'Responses for '.$service, \%submetrics);
}
mg_config(TYPE_RESPONSES, TYPE_FRONTEND, ['responses'],
'Responses Overview', \%fe_metrics);
mg_config(TYPE_RESPONSES, TYPE_BACKEND, ['responses'],
'Responses Overview', \%be_metrics);
}
case FETCH {
my (%values, %subvalues);
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_FRONTEND;
$values{$service} = $data{$service}{'responses'}{'total'};
mg_fetch(TYPE_FRONTEND, ['responses', $service], $data{$service}{'responses'});
foreach my $response (sort keys %{$data{$service}{'responses'}}) {
mg_fetch(TYPE_FRONTEND, ['responses', $service, $response], {
responses => $data{$service}{'responses'}{$response}
});
}
}
mg_fetch(TYPE_FRONTEND, ['responses'], \%values);
undef %values;
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_BACKEND;
$values{$service} = $data{$service}{'responses'}{'total'};
%subvalues = (
total => $data{$service}{'responses'}{'total'},
);
mg_fetch(TYPE_BACKEND, ['responses', $service], $data{$service}{'responses'});
foreach my $response (sort keys %{$data{$service}{'responses'}}) {
undef %subvalues;
foreach my $server (sort keys %{$data{$service}{'servers'}}) {
next if $data{$service}{'servers'}{$server}{'backup'};
$subvalues{$server} = $data{$service}{'servers'}{$server}{'responses'}{$response};
mg_fetch(TYPE_BACKEND, ['responses', $service, $response, $server], {
responses => $data{$service}{'servers'}{$server}{'responses'}{$response},
});
}
$subvalues{'total'} = $data{$service}{'responses'}{$response};
mg_fetch(TYPE_BACKEND, ['responses', $service, $response], \%subvalues);
}
}
mg_fetch(TYPE_BACKEND, ['responses'], \%values);
}
}
}
sub haproxy_count {
my ($operation, $data_) = (shift, shift);
my %data = %{$data_};
switch ($operation) {
case CONFIG {
my (%metrics, %submetrics);
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_BACKEND;
# Prepare the field configuration
my %count = (
label => $service,
type => GAUGE,
draw => AREASTACK,
);
# This will copy the hash for the main metric
%{$metrics{$service}} = %count;
$metrics{$service}{'draw'} = LINE1;
# Copy and override these for the per-Service graph
my %backup = %count; $backup{'label'} = 'Backup';
my %down = %count; $down{'label'} = 'Down';
my %disabled = %count; $disabled{'label'} = 'Disabled';
my %up = %count; $up{'label'} = 'Up';
mg_config(TYPE_BACKEND, TYPE_BACKEND, ['count', $service],
'Server Count for '.$service, {
backup => \%backup,
down => \%down,
disabled => \%disabled,
up => \%up,
});
}
mg_config(TYPE_BACKEND, TYPE_BACKEND, ['count'],
'Server Count Overview', \%metrics);
}
case FETCH {
my (%values);
foreach my $service (sort keys %data) {
next unless $data{$service}{'type'} eq TYPE_BACKEND;
my ($backup, $disabled, $down, $up) = (0,0,0,0);
foreach my $server (sort keys %{$data{$service}{'servers'}}) {
++$backup if $data{$service}{'servers'}{$server}{'backup'}
and not $data{$service}{'servers'}{$server}{'down'}
and not $data{$service}{'servers'}{$server}{'disabled'};
++$disabled if $data{$service}{'servers'}{$server}{'disabled'};
++$down if $data{$service}{'servers'}{$server}{'down'};
++$up if $data{$service}{'servers'}{$server}{'up'}
and not $data{$service}{'servers'}{$server}{'backup'};
}
$values{$service} = $up;
mg_fetch(TYPE_BACKEND, ['count', $service], {
backup => $backup,
disabled => $disabled,