The devops approach to monitoring, Open Source and Infrastructure as Code Style

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The devops approach to monitoring,The devops approach to monitoring,

Open Source and IAC StyleOpen Source and IAC Style

Julien PivottoJulien Pivotto

Open World ForumOpen World ForumOctober 4, 2013October 4, 2013

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whoamiwhoami• sysadmin @ inuitssysadmin @ inuits• open-source defender for 7+ yearsopen-source defender for 7+ years• devops believerdevops believer• @roidelapluie on twitter/github@roidelapluie on twitter/github

Julien Pivotto DevOps and monitoring

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DevOpsDevOps

• CultureCulture• AutomationAutomation• MeasurementMeasurement• SharingSharing

Damon Edwards and John WillisDamon Edwards and John Willis


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Monitoring is usuallyMonitoring is usuallyan afterthoughtan afterthought

ENOTIME, ENOBUDGETENOTIME, ENOBUDGET


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#monitoringsucks#monitoringsucks

• A movement started in 2011A movement started in 2011• http://github.com/monitoringsuckshttp://github.com/monitoringsucks• A lot of tools and informationA lot of tools and information


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GoalsGoals• Find when a service is unavailableFind when a service is unavailable• Understand failure post-mortemUnderstand failure post-mortem

• Learn from your infrastructureLearn from your infrastructure• AnticipateAnticipate


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GoalsGoals• Find when a service is unavailableFind when a service is unavailable• Understand failure post-mortemUnderstand failure post-mortem• Learn from your infrastructureLearn from your infrastructure• AnticipateAnticipate


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Monitor everythingMonitor everything

• ServersServers• ServicesServices• UsageUsage• HardwareHardware• SoftwareSoftware• PeoplePeople


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Monitor every environmentMonitor every environment

• See performance changes in devSee performance changes in dev• Fix them before it hits productionFix them before it hits production


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MetricMetric

• Time + name + value = metricTime + name + value = metric• Can be anythingCan be anything


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EventEvent

• Time + fields = metricTime + fields = metric• Logs become usable dataLogs become usable data• Can be transformed into metricsCan be transformed into metrics


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Metrics + eventsMetrics + events• Overview of your infrastructureOverview of your infrastructure• Usage and state of the servicesUsage and state of the services• Combine several metricsCombine several metrics• Extract business valuesExtract business values


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AutomationAutomation

• Infrastructure as CodeInfrastructure as Code• Automate everythingAutomate everything⇒ One source of truthOne source of truth


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DeploymentDeployment• Definitions of a service includes monitoringDefinitions of a service includes monitoring• Deployed ⇔ monitoredDeployed ⇔ monitored


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ToolsTools

• No all-in-one toolNo all-in-one tool• No autodiscovery toolNo autodiscovery tool• Text-based configurationText-based configuration• ScalableScalable⇒ The Unix philosphyThe Unix philosphy


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IcingaIcinga

• Fork of nagiosFork of nagios• Large and vibrant communityLarge and vibrant community• Configuration compatible with nagiosConfiguration compatible with nagios• User-friendly interfaceUser-friendly interface• Use Icinga Classic!Use Icinga Classic!


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IcingaIcingahttps://icinga.org


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SensuSensu• FlexibilityFlexibility• Compatible with nagios pluginsCompatible with nagios plugins• Connects to your source of trustConnects to your source of trust• Relies on RabbitMQRelies on RabbitMQ


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CollectdCollectd

• Statistics collection daemonStatistics collection daemon• A lot of plugins available. . .A lot of plugins available. . .• Can send data to graphiteCan send data to graphite• Simple configurationSimple configuration


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Collectd pluginsCollectd pluginshttp://www.flickr.com/photos/juhansonin/3141561416/


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Collectd pluginsCollectd pluginsAMQP Apache APC_UPS Apple_Sensors Ascent Battery BIND CarbonAMQP Apache APC_UPS Apple_Sensors Ascent Battery BIND CarbonConnTrack ContextSwitch CPU CPUFreq CSV cURL cURL-JSON cURL-XMLConnTrack ContextSwitch CPU CPUFreq CSV cURL cURL-JSON cURL-XMLDBI DF Disk DNS E-Mail Entropy Exec FileCount FSCache GenericJMXDBI DF Disk DNS E-Mail Entropy Exec FileCount FSCache GenericJMXgmond HDDTemp Interface IPMI IPTables IPVS IRQ Java libvirt Loadgmond HDDTemp Interface IPMI IPTables IPVS IRQ Java libvirt LoadLogFile LPAR MadWifi MBMon memcachec memcached Memory ModbusLogFile LPAR MadWifi MBMon memcachec memcached Memory Modbus

Monitorus Multimeter MySQL NetApp Netlink Network NFS nginxMonitorus Multimeter MySQL NetApp Netlink Network NFS nginxNotify_Desktop Notify_Email NTPd NUT olsrd OneWire OpenVPN OpenVZNotify_Desktop Notify_Email NTPd NUT olsrd OneWire OpenVPN OpenVZOracle Perl Pinba Ping PostgreSQL PowerDNS Processes Protocols PythonOracle Perl Pinba Ping PostgreSQL PowerDNS Processes Protocols PythonRedis RouterOS RRDCacheD RRDtool Sensors Serial SNMP Swap SysLogRedis RouterOS RRDCacheD RRDtool Sensors Serial SNMP Swap SysLogTable Tail Tape TCPConns TeamSpeak2 TED thermal TokyoTyrant UnixSockTable Tail Tape TCPConns TeamSpeak2 TED thermal TokyoTyrant UnixSock

Uptime Users UUID Varnish vmem VServer Wireless XMMSUptime Users UUID Varnish vmem VServer Wireless XMMSWrite_Graphite Write_HTTP Write_MongoDBWrite_Graphite Write_HTTP Write_MongoDB

Write_Redis Write_Riemann ZFS_ARCWrite_Redis Write_Riemann ZFS_ARC


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LogstashLogstash

• Ship logs from any sourceShip logs from any source• Filter themFilter them• Index themIndex them• Search themSearch them• Backed with elasticsearchBacked with elasticsearch


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LogstashLogstash


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GraphiteGraphite

• GraphingGraphing• Accept any metricAccept any metric• Store data in files (whisper)Store data in files (whisper)• A lot of helpers functionsA lot of helpers functions• Listen on UDP and TCPListen on UDP and TCP


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Send data to graphiteSend data to graphiteecho "stats.sshd.login 1 $(date +%s)" | nc -u graphite.example.com 2003echo "stats.sshd.login 1 $(date +%s)" | nc -u graphite.example.com 2003


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Graphite APIGraphite API


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StatsdStatsd

• Graphite friendGraphite friend• Stats aggregationStats aggregation• Simple countersSimple counters• Flushes every XX seconds to graphiteFlushes every XX seconds to graphite• UDPUDP


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Feeding statsdFeeding statsdecho "stats.sshd.login:1|c" |nc -u statsd.example.com 8125


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gdashgdashhttps://github.com/ripienaar/gdash


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giraffegiraffe

Alternative to gdash


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KibanaKibana• Kibana is a web interface for Logstash/ESKibana is a web interface for Logstash/ES• Kibana 1 was written in PHPKibana 1 was written in PHP• Kibana 2 was written in RubyKibana 2 was written in Ruby• Kibana 3 is written in AngularJSKibana 3 is written in AngularJS


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Kibana 3Kibana 3• Everything happens in the browserEverything happens in the browser• The browser is connected to ElasticsearchThe browser is connected to Elasticsearch• You can save dashboards into ESYou can save dashboards into ES• You can write/template dashboards to filesYou can write/template dashboards to files


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Kibana queriesKibana queriesExample of a kibana [email protected]_program:"httpd" [email protected]_host:"test.example.com" [email protected]:"404"

• LLucene query syntax• SSimple and effective• PPoint & click web interface


;Julien Pivotto DevOps and monitoring



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Toolchain exampleToolchain example• Apache ships logs to rsyslogApache ships logs to rsyslog• Rsyslog ships logs to logstashRsyslog ships logs to logstash• Logstash ships metrics to statsdLogstash ships metrics to statsd• Statsd ships metrics to GraphiteStatsd ships metrics to Graphite• Icinga query metric from graphiteIcinga query metric from graphite• https://github.com/etsy/nagios_toolshttps://github.com/etsy/nagios_tools


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Reusing Icinga/Nagios perfdataReusing Icinga/Nagios perfdata• Icinga performs various checksIcinga performs various checks• Icinga sends perfdata to graphiteIcinga sends perfdata to graphite• Graphite stores the dataGraphite stores the data• Gdash serves them inside dashboardsGdash serves them inside dashboards• https://github.com/roidelapluie/icinga-to-graphitehttps://github.com/roidelapluie/icinga-to-graphite


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SharingSharing• Build dashboard: dashing, teamdashBuild dashboard: dashing, teamdash• Share with developersShare with developers• Share with managersShare with managers


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Try them yourselfTry them yourselfhttps://github.com/KrisBuytaert/vagrant-graphitehttps://github.com/KrisBuytaert/vagrant-graphite


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Thank youThank youAny question?Any question?


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ContactContactJulien PivottoJulien [email protected]@inuits.eu@roidelapluie@roidelapluie

INUITS bvbaINUITS bvbaDuboisstraat 50Duboisstraat 502060 Antwerp2060 AntwerpBelgiumBelgium+32 473 441 636+32 473 441 636https://inuits.euhttps://inuits.eu


Date post:	26-Jan-2015
Category:	Technology
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The devops approach to monitoring, Open Source and Infrastructure as Code Style

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