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#author("2018-08-29T17:29:40+09:00","","") #author("2018-08-29T17:30:29+09:00","","") [[CentOS7]] *性能統計グラフ追加(Nagios+PNP4Nagios) [#b99c5cd9] [[Nagios>Nagiosインストール]]のアドオン[[PNP4Nagios>http://docs.pnp4nagios.org/start]]を導入して、Nagios監視項目の性能統計データをグラフ化する。 &color(red){※[[Nagios>Nagiosインストール]]導入済であることが前提}; *PNP4Nagiosインストール [#w808a914] |BGCOLOR(black):COLOR(white):|c |[root@localhost ~]# yum -y install rrdtool php-gd &color(lime){← PNP4Nagiosに必要なパッケージインストール};| |[root@localhost ~]# wget http://downloads.sourceforge.net/project/pnp4nagios/PNP-0.6/pnp4nagios-0.6.25.tar.gz &color(lime){← PNP4Nagiosダウンロード};| |&color(lightpink){※最新版のURLは[[ダウンロードページ>http://sourceforge.net/project/showfiles.php?group_id=191615]]で確認すること};| |[root@localhost ~]# tar zxvf pnp4nagios-0.6.25.tar.gz &color(lime){← PNP4Nagios展開};| |[root@localhost ~]# cd pnp4nagios-0.6.25/ &color(lime){← PNP4Nagios展開先ディレクトリへ移動};| |[root@localhost pnp4nagios-0.6.25]# ./configure && make all && make fullinstall &color(lime){← PNP4Nagiosインストール};| |[root@localhost pnp4nagios-0.6.25]# cd &color(lime){← PNP4Nagios展開先ディレクトリを抜ける};| |[root@localhost ~]# rm -rf pnp4nagios-0.6.25 &color(lime){← PNP4Nagios展開先ディレクトリを削除};| |[root@localhost ~]# rm -f pnp4nagios-0.6.25.tar.gz &color(lime){← ダウンロードしたファイルを削除};| |[root@localhost ~]# systemctl restart httpd &color(lime){← Apache再起動};| http://サーバー名/pnp4nagios/へアクセスして全項目グリーン表示されることを確認 |BGCOLOR(black):COLOR(white):|c |[root@localhost ~]# rm -f /usr/local/pnp4nagios/share/install.php &color(lime){← インストールスクリプト削除};| *PNP4Nagios設定 [#y8f61bcb] **PNP4Nagios設定 [#l680463f] |BGCOLOR(black):COLOR(white):|c |[root@localhost ~]# vi /usr/local/pnp4nagios/etc/config_local.php &color(lime){← PNP4Nagios設定ファイル編集};| |# &br; # Date format &br; # &br; $conf['date_fmt'] = "Y.m.d G:i"; &color(lime){← 日付形式をYYYY.MM.DDにする};| |[root@localhost ~]# wget "https://exchange.nagios.org/components/com_mtree/attachment.php?link_id=4174&cf_id=24" -O check_mem &color(lime){← check_memプラグインのPNPテンプレートダウンロード};| |[root@localhost ~]# /bin/mv check_mem.php /usr/local/pnp4nagios/share/templates.dist/ &color(lime){← check_memプラグインのPNPテンプレートを所定のディレクトリへ移動};| |[root@localhost ~]# wget "https://exchange.nagios.org/components/com_mtree/attachment.php?link_id=4105&cf_id=29" -O check_traffic.php &color(lime){← check_traffic_pnp4naiosプラグインのPNPテンプレートダウンロード};| |[root@localhost ~]# mv check_traffic.php /usr/local/pnp4nagios/share/templates.dist/ &color(lime){← check_traffic_pnp4naiosプラグインのPNPテンプレートを所定のディレクトリへ移動};| |[root@localhost ~]# vi /usr/local/pnp4nagios/share/templates.dist/check_traffic.php &color(lime){← check_traffic_pnp4naiosプラグインのPNPテンプレート編集};| |<?php &br; $ds_name[1] = "Traffic Usage"; &color(lime){← 追加（表タイトル） &br; $opt[1] = "--vertical-label bits/s --title \"Traffic for $hostname / $servicedesc\" ";};| **Nagios設定 [#bd530718] |BGCOLOR(black):COLOR(white):|c |[root@localhost ~]# vi /usr/local/nagios/etc/nagios.cfg &color(lime){← nagios.cfg編集};| |process_performance_data=1 &color(lime){← パフォーマンスデータ取得を有効化}; &br; &br; host_perfdata_command=process-host-perfdata &color(lime){← ホストパフォーマンスデータ取得コマンドを有効化}; &br; service_perfdata_command=process-service-perfdata &color(lime){← サービスパフォーマンスデータ取得コマンドを有効化}; &br; &br; &color(lime){以下を最終行へ追加}; &br; # &br; # service performance data &br; # &br; service_perfdata_file=/usr/local/pnp4nagios/var/service-perfdata &br; service_perfdata_file_template=DATATYPE::SERVICEPERFDATA\tTIMET:: \ &br; $TIMET$\tHOSTNAME::$HOSTNAME$\tSERVICEDESC::$SERVICEDESC$\tSERVICEPERFDATA:: \ &br; $SERVICEPERFDATA$\tSERVICECHECKCOMMAND::$SERVICECHECKCOMMAND$\tHOSTSTATE:: \ &br; $HOSTSTATE$\tHOSTSTATETYPE::$HOSTSTATETYPE$\tSERVICESTATE::$SERVICESTATE$\tSERVICESTATETYPE:: \ &br; $SERVICESTATETYPE$ &br; service_perfdata_file_mode=a &br; service_perfdata_file_processing_interval=15 &br; service_perfdata_file_processing_command=process-service-perfdata-file &br; &br; # &br; # host performance data starting with Nagios 3.0 &br; # &br; host_perfdata_file=/usr/local/pnp4nagios/var/host-perfdata &br; host_perfdata_file_template=DATATYPE::HOSTPERFDATA\tTIMET::$TIMET$\tHOSTNAME:: \ &br; $HOSTNAME$\tHOSTPERFDATA::$HOSTPERFDATA$\tHOSTCHECKCOMMAND::$HOSTCHECKCOMMAND$\tHOSTSTATE:: \ &br; $HOSTSTATE$\tHOSTSTATETYPE::$HOSTSTATETYPE$ &br; host_perfdata_file_mode=a &br; host_perfdata_file_processing_interval=15 &br; host_perfdata_file_processing_command=process-host-perfdata-file| |[root@localhost ~]# vi /usr/local/nagios/etc/objects/commands.cfg &color(lime){← commands.cfg編集};| |&color(lime){－－削除(ここから)－－};| |# 'process-host-perfdata' command definition &br; define command{ &br; command_name process-host-perfdata &br; command_line /usr/bin/printf "%b" "$LASTHOSTCHECK$\t$HOSTNAME$\ \ t$HOSTSTATE$\t$HOSTATTEMPT$\t$HOSTSTATETYPE$\t$HOSTEXECUTIONTIME$\t$HOSTOUTPUT$\t$HOSTPERFDATA$\n" >> /usr/local/nagios/var/host-perfdata.out &br; }| |# 'process-service-perfdata' command definition &br; define command{ &br; command_name process-service-perfdata &br; command_line /usr/bin/printf "%b" "$LASTSERVICECHECK$\t$HOSTNAME$\t$SERVICEDESC$\t$SERVICESTATE$\t$SERVICEATTEMPT$\t$SERVICESTATETYPE$\t$SERVICEEXECUTIONTIME$\t$SERVICELATENCY$\t$SERVICEOUTPUT$\t$SERVICEPERFDATA$\n" >> /usr/local/nagios/var/service-perfdata.out &br; } &br; &color(lime){－－削除(ここまで)－－};| |&color(lime){以下を最終行へ追加};| |define command{ &br; command_name process-service-perfdata-file &br; command_line /bin/mv /usr/local/pnp4nagios/var/service-perfdata /usr/local/pnp4nagios/var/spool/service-perfdata.$TIMET$ &br; }| |define command{ &br; command_name process-host-perfdata-file &br; command_line /bin/mv /usr/local/pnp4nagios/var/host-perfdata /usr/local/pnp4nagios/var/spool/host-perfdata.$TIMET$ &br; }| |[root@localhost ~]# vi /usr/local/nagios/etc/objects/templates.cfg &color(lime){← templates.cfg編集};| |############################################################################### &br; ############################################################################### &br; # &br; # HOST TEMPLATES &br; # &br; ############################################################################### &br; ############################################################################### &br; &br; # Generic host definition template - This is NOT a real host, just a template! &br; &br; define host{ &br; name generic-host ; The name of this host template &br; notifications_enabled 1 ; Host notifications are enabled &br; event_handler_enabled 1 ; Host event handler is enabled &br; flap_detection_enabled 1 ; Flap detection is enabled &br; failure_prediction_enabled 1 ; Failure prediction is enabled &br; process_perf_data 1 ; Process performance data &br; retain_status_information 1 ; Retain status information across program restarts &br; retain_nonstatus_information 1 ; Retain non-status information across program restarts &br; notification_period 24x7 ; Send host notifications at any time &br; register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE! &br; action_url /pnp4nagios/graph?host=$HOSTNAME$' onmouseover="get_g('$HOSTNAME$','_HOST_')" onmouseout="clear_g()" &color(lime){← 追加(Nagios画面からPNP画面へのリンク表示(ホスト)) &br; } &br; &br; ############################################################################### &br; ## SERVICE TEMPLATES &br; # &br; ############################################################################### &br; ############################################################################### &br; &br; # Generic service definition template - This is NOT a real service, just a template! &br; &br; define service{ &br; name generic-service ; The 'name' of this service template &br; active_checks_enabled 1 ; Active service checks are enabled &br; passive_checks_enabled 1 ; Passive service checks are enabled/accepted &br; parallelize_check 1 ; Active service checks should be parallelized (disabling this can lead to major performance problems) &br; obsess_over_service 1 ; We should obsess over this service (if necessary) &br; check_freshness 0 ; Default is to NOT check service 'freshness' &br; notifications_enabled 1 ; Service notifications are enabled &br; event_handler_enabled 1 ; Service event handler is enabled &br; flap_detection_enabled 1 ; Flap detection is enabled &br; failure_prediction_enabled 1 ; Failure prediction is enabled &br; process_perf_data 1 ; Process performance data &br; retain_status_information 1 ; Retain status information across program restarts &br; retain_nonstatus_information 1 ; Retain non-status information across program restarts &br; is_volatile 0 ; The service is not volatile &br; check_period 24x7 ; The service can be checked at any time of the day &br; max_check_attempts 3 ; Re-check the service up to 3 times in order to determine its final (hard) state &br; normal_check_interval 10 ; Check the service every 10 minutes under normal conditions &br; retry_check_interval 2 ; Re-check the service every two minutes until a hard state can be determined &br; contact_groups admins ; Notifications get sent out to everyone in the 'admins' group &br; notification_options w,u,c,r ; Send notifications about warning, unknown, critical, and recovery events &br; notification_interval 60 ; Re-notify about service problems every hour &br; notification_period 24x7 ; Notifications can be sent out at any time &br; register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL SERVICE, JUST A TEMPLATE! &br; action_url /pnp4nagios/graph?host=$HOSTNAME$&srv=$SERVICEDESC$' onmouseover="get_g('$HOSTNAME$','$SERVICEDESC$')" onmouseout="clear_g()" &color(lime){← 追加(Nagios画面からPNP画面へのリンク表示(サービス)) &br; }| |[root@localhost ~]# /etc/rc.d/init.d/npcd start &color(lime){← NPCD起動};| |[root@localhost ~]# chkconfig npcd on &color(lime){← NPCD自動起動設定};| |[root@localhost ~]# /etc/rc.d/init.d/nagios restart &color(lime){← Nagios再起動};| *PNP確認 [#b3887a99] http://サーバー名/nagios/へアクセスし、「ホスト」または「サービス」でをクリックして性能統計グラフが表示されることを確認。 &color(red){※一部監視項目はパフォーマンスデータを出力しないため、グラフ表示できない};
