X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=modules%2Fhaproxy%2Ffiles%2Fmonitoring-munin-haproxy%2Fhaproxyng;fp=modules%2Fhaproxy%2Ffiles%2Fmonitoring-munin-haproxy%2Fhaproxyng;h=a7d3599bc609780de4bea66e08a34821a5cb6c6c;hb=76ca91bce24ecbcbcc4e62a37aa06fd0fb9f96c7;hp=0000000000000000000000000000000000000000;hpb=46cee04ab06b23ab6e9e4baba655cf470d10cfc4;p=mirror%2Fdsa-puppet.git diff --git a/modules/haproxy/files/monitoring-munin-haproxy/haproxyng b/modules/haproxy/files/monitoring-munin-haproxy/haproxyng new file mode 100755 index 000000000..a7d3599bc --- /dev/null +++ b/modules/haproxy/files/monitoring-munin-haproxy/haproxyng @@ -0,0 +1,1045 @@ +#!/usr/bin/perl + +# haproxyng Munin Plugin +# Multigraph plugin which monitors the haproxy service. +# (c) 2014-2015 Jonathan Wright +# +# 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 '; + +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, + down => $down, + up => $up, + }); + } + + mg_fetch(TYPE_BACKEND, ['count'], \%values); + + } + + } +} + +sub do_fetch { + my %data = get_data; + exit 1 unless scalar(keys %data); + + haproxy_bandwidth FETCH, \%data; + haproxy_timing FETCH, \%data; + haproxy_sessions FETCH, \%data; + haproxy_count FETCH, \%data; + haproxy_responses FETCH, \%data; + + # Return something or the eval() will fail above + return 1; +} + +sub do_config { + my %data = get_data; + exit 1 unless scalar(keys %data); + + haproxy_bandwidth CONFIG, \%data; + haproxy_timing CONFIG, \%data; + haproxy_sessions CONFIG, \%data; + haproxy_count CONFIG, \%data; + haproxy_responses CONFIG, \%data; + + return 1; +} + +sub do_autoconf { + # All Munin wants to know is will this plugin provide all the configuration + # settings and options itself? Well, yes... + print "".(-S $_socket ? "yes" : "no")."\n"; + return 1; +}