Munin contributed plugins

#!/bin/bash

: << =cut

=head1 NAME

php_errors - Plugin to monitor error.log from apache server

=head1 CONFIGURATION

 [php_errors_newsite]

 user www-data

 env.logfile /home/newsite/logs/errors.log /var/log/php/otherlog.log

=head1 AUTHOR

Copyright (C) 2011 Ulrich Lusseau

Copyright (C) 2016 Raphaël Droz <raphael.droz+floss@gmail.com>

=head1 MAGICK MARKERS

 #%# family=auto

 #%# capabilities=autoconf

=cut

. $MUNIN_LIBDIR/plugins/plugin.sh

LOGS=${logfile:-/var/log/apache2/error.log}

if [[ $1 == autoconf ]]; then

    for LOG in $LOGS; do

        if [[ ! -r $LOG ]]; then

            echo "no (cannot read '$LOG')"

            exit 0

        fi

    done

    echo yes

    exit 0

fi

if [[ $1 == config ]]; then

        echo 'graph_title PHP Errors from ' $LOGS

        echo 'graph_args --base 1000 -l 0'

        echo 'graph_category webserver'

        echo 'graph_vlabel Errors'

        echo 'LogWarning.label PHP Warning errors'

        echo 'LogNotice.label PHP Notice errors'

        echo 'LogFatal.label PHP Fatal errors'

        echo 'LogFile.label File does not exist errors'

        exit 0

fi

awk -f - $LOGS <<EOF

BEGIN { c["LogWarning"]=0; c["LogNotice"]=0; c["LogFatal"]=0; c["LogFile"]=0; }

/PHP Warning/{         c["LogWarning"]++ }

/PHP Notice/{          c["LogNotice"]++  }

/PHP Fatal error/{     c["LogFatal"]++   }

/File does not exist/{ c["LogFile"]++    }

END{ for(i in c) { print i".value " c[i] } }

EOF