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check_apache_serverstatus.php
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<?php
#
# The MIT License (MIT)
#
# Copyright (c) 2016 Steffen Schoch - dsb it services GmbH & Co. KG
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
#
# Feel free to contact me via email: schoch@dsb-its.net
#
# 2016-01-## schoch - 1.0 - Init...
// Process-Informationen
$opt[1] = " --vertical-label \"Anzahl\" --title \"Apache Server-Status for $hostname\" --lower-limit 0 ";
$ds_name[1] = 'Server-Status';
// Scoreboard to var1 - var11
$def[1] = "DEF:var1=$RRDFILE[1]:$DS[1]:AVERAGE " ;
$def[1] .= "DEF:var2=$RRDFILE[2]:$DS[2]:AVERAGE " ;
$def[1] .= "DEF:var3=$RRDFILE[3]:$DS[3]:AVERAGE " ;
$def[1] .= "DEF:var4=$RRDFILE[4]:$DS[4]:AVERAGE " ;
$def[1] .= "DEF:var5=$RRDFILE[5]:$DS[5]:AVERAGE " ;
$def[1] .= "DEF:var6=$RRDFILE[6]:$DS[6]:AVERAGE " ;
$def[1] .= "DEF:var7=$RRDFILE[7]:$DS[7]:AVERAGE " ;
$def[1] .= "DEF:var8=$RRDFILE[8]:$DS[8]:AVERAGE " ;
$def[1] .= "DEF:var9=$RRDFILE[9]:$DS[9]:AVERAGE " ;
$def[1] .= "DEF:var10=$RRDFILE[10]:$DS[10]:AVERAGE " ;
$def[1] .= "DEF:var11=$RRDFILE[11]:$DS[11]:AVERAGE " ;
// WAIT
$def[1] .= "AREA:var1#ff0000:\"Waiting for connection \":STACK ";
$def[1] .= "GPRINT:var1:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var1:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var1:MAX:\"%4.0lf max\\n\" " ;
// START
$def[1] .= "AREA:var2#FF8000:\"Starting up \":STACK ";
$def[1] .= "GPRINT:var2:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var2:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var2:MAX:\"%4.0lf max\\n\" " ;
// READ
$def[1] .= "AREA:var3#ffff00:\"Reading Request \":STACK ";
$def[1] .= "GPRINT:var3:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var3:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var3:MAX:\"%4.0lf max\\n\" " ;
// SEND
$def[1] .= "AREA:var4#00FF80:\"Sending Reply \":STACK ";
$def[1] .= "GPRINT:var4:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var4:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var4:MAX:\"%4.0lf max\\n\" " ;
// KEEPALIVE
$def[1] .= "AREA:var5#00FFFF:\"Keepalive (read) \":STACK ";
$def[1] .= "GPRINT:var5:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var5:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var5:MAX:\"%4.0lf max\\n\" " ;
// DNS
$def[1] .= "AREA:var6#0080FF:\"DNS Lookup \":STACK ";
$def[1] .= "GPRINT:var6:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var6:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var6:MAX:\"%4.0lf max\\n\" " ;
// CLOSE
$def[1] .= "AREA:var7#0000FF:\"Closing connection \":STACK ";
$def[1] .= "GPRINT:var7:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var7:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var7:MAX:\"%4.0lf max\\n\" " ;
// LOGGING
$def[1] .= "AREA:var8#8000FF:\"Logging \":STACK ";
$def[1] .= "GPRINT:var8:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var8:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var8:MAX:\"%4.0lf max\\n\" " ;
// GRACEFUL
$def[1] .= "AREA:var9#FF00FF:\"Gracefully finishing \":STACK ";
$def[1] .= "GPRINT:var9:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var9:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var9:MAX:\"%4.0lf max\\n\" " ;
// IDLE
$def[1] .= "AREA:var10#FF80FF:\"Idle cleanup of worker \":STACK ";
$def[1] .= "GPRINT:var10:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var10:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var10:MAX:\"%4.0lf max\\n\" " ;
// FREE
$def[1] .= "AREA:var11#D0D0D0:\"Open slot with no current process \":STACK ";
$def[1] .= "GPRINT:var11:LAST:\"%4.0lf last\" " ;
$def[1] .= "GPRINT:var11:AVERAGE:\"%4.0lf avg\" " ;
$def[1] .= "GPRINT:var11:MAX:\"%4.0lf max\\n\" " ;
// Draw last line
if($this->MACRO['TIMET'] != ""){
$def[1] .= "VRULE:".$this->MACRO['TIMET']."#000000:\"Last Service Check \\n\" ";
}
// apache >= 2.4? Build chart for rates (if data exists)
if(isset($DS[12])) {
// Request per Second
$opt[2] = " --vertical-label \"Anzahl\" --title \"Apache Requests per Second for $hostname\" --lower-limit 0 ";
$ds_name[2] = 'Server-Status';
$def[2] = "DEF:var12=$RRDFILE[12]:$DS[12]:AVERAGE " ;
$def[2] .= "LINE1:var12#ffae2d:\"Requests per Second \" ";
$def[2] .= "GPRINT:var12:LAST:\"%4.0lf last\" " ;
$def[2] .= "GPRINT:var12:AVERAGE:\"%4.0lf avg\" " ;
$def[2] .= "GPRINT:var12:MAX:\"%4.0lf max\\n\" " ;
// Bytes per Second and Bytes per Request
$opt[3] = " --vertical-label \"Anzahl\" --title \"Apache Bytes per ... for $hostname\" --lower-limit 0 ";
$ds_name[3] = 'Server-Status';
$def[3] = "DEF:var13=$RRDFILE[13]:$DS[13]:AVERAGE " ;
$def[3] .= "DEF:var14=$RRDFILE[14]:$DS[14]:AVERAGE " ;
$def[3] .= "LINE1:var13#db60f7:\"Bytes per Second \" ";
$def[3] .= "GPRINT:var13:LAST:\"%4.0lf last\" " ;
$def[3] .= "GPRINT:var13:AVERAGE:\"%4.0lf avg\" " ;
$def[3] .= "GPRINT:var13:MAX:\"%4.0lf max\\n\" " ;
$def[3] .= "LINE1:var14#5fe27b:\"Bytes per Request \" ";
$def[3] .= "GPRINT:var14:LAST:\"%4.0lf last\" " ;
$def[3] .= "GPRINT:var14:AVERAGE:\"%4.0lf avg\" " ;
$def[3] .= "GPRINT:var14:MAX:\"%4.0lf max\\n\" " ;
}
?>