Monitoring in an IAC AgeMonitoring in an IAC Age

PuppetConf 2013

Kris Buytaert

Kris BuytaertKris Buytaert● I used to be a Dev,I used to be a Dev,● Then Became an OpThen Became an Op● Chief Trolling Officer and Open Source Chief Trolling Officer and Open Source

Consultant @inuits.euConsultant @inuits.eu● Everything is an effing DNS ProblemEverything is an effing DNS Problem● Building Clouds since before the bookstoreBuilding Clouds since before the bookstore● Some books, some papers, some blogsSome books, some papers, some blogs● Evangelizing devopsEvangelizing devops

devops = clamsdevops = clams● CultureCulture

● (Lean)(Lean)

● Automate all the things ... Automate all the things ...

• Build Automation Build Automation

• Test Automation Test Automation

• IACIAC

● Monitoring , Metrics ... Monitoring , Metrics ...

● SharingSharing

Monitoring is usually an Monitoring is usually an aftertoughtaftertought

ENOBUDGET, ENOTIMEENOBUDGET, ENOTIME

#monitoringsucks#monitoringsucks● John Vincent (@lusis)John Vincent (@lusis)

● A sub movement A sub movement

● https://github.com/monitoringsucks/https://github.com/monitoringsucks/

#monitoringlove#monitoringlove• #monitoringlove hacksessions#monitoringlove hacksessions

• #monitorama#monitorama

Infrastructure as CodeInfrastructure as Code● Model our infrastructure Model our infrastructure

● A fast reproducable platformA fast reproducable platform

● Disaster discovery for “free”Disaster discovery for “free”

For years we've tolerated humans to to make For years we've tolerated humans to to make structural manual changes to the infrastructure structural manual changes to the infrastructure our critical applications are running on.our critical applications are running on.

Whilst at the same time demanding those critical Whilst at the same time demanding those critical applications to go trough rigid test scenarios.applications to go trough rigid test scenarios.

Who let this happen ?Who let this happen ?

Infrastructure as CodeInfrastructure as Code● Code = Code Code = Code

● Version Control Version Control

● Quality ChecksQuality Checks

● TestingTesting

● Continuous IntegrationContinuous Integration

● Continous DeliveryContinous Delivery

Infrastructure as CodeInfrastructure as Code● Core Infrastructure Core Infrastructure

● Middleware deployment and Middleware deployment and integrationintegration

● Automated continuous application Automated continuous application deploymentdeployment

● Integrated Security enforcementIntegrated Security enforcement

● Host, Service and Application Host, Service and Application Monitoring configuredMonitoring configured

Why #monitoringsucksWhy #monitoringsucks● Manual config (gui)Manual config (gui)

● Not in sync with realityNot in sync with reality

● Hosts onlyHosts only

● Services sometimesServices sometimes

● Appliccation neverAppliccation never

● ChaosChaos

Let's forget aboutLet's forget about● Tools with no (stable) APITools with no (stable) API

● Tools with strong focus on GUITools with strong focus on GUI

● Unless you are an SME with < 100 nodesUnless you are an SME with < 100 nodes

● Zabixx, Zenoss, Hyperic, GroundWork, ....Zabixx, Zenoss, Hyperic, GroundWork, ....

Where to monitor ?Where to monitor ?● Dev Dev

● AcceptanceAcceptance

● ProdProd

What we wantWhat we want

● Small , wel suited componentsSmall , wel suited components

• CollectCollect

• Transport / MangleTransport / Mangle

• Analyse / ActAnalyse / Act

• VisualizeVisualize

Monitoring BaselineMonitoring Baseline● Deploy a host,Deploy a host,

● Add it to the monitoringAdd it to the monitoring

● Add collection toolsAdd collection tools

● Add check definitionsAdd check definitions

● Update the monitoring tool configUpdate the monitoring tool config

Apache Example:Apache Example:

Icinga ?Icinga ?• Isn't nagios dead ?Isn't nagios dead ?

• Vibrant CommunityVibrant Community

• Throw great parties in NurnbergThrow great parties in Nurnberg

• Nobody can pronounce it anyhowNobody can pronounce it anyhow

• https://github.com/Inuits/puppet-icinga/https://github.com/Inuits/puppet-icinga/

Stored ConfigsStored Configs

Collection and ExportCollection and Export

Export :Export :

@@resource { @@resource {

... }... }

Collect:Collect:

Resource <<| Resource <<| query |>>query |>>

Clean out nodes that dissapearClean out nodes that dissapear

puppet node clean puppet node clean

Exporting and Collecting Exporting and Collecting

Monitoring a VhostMonitoring a Vhost

● AutodetectionAutodetection

● MultiplexingMultiplexing

● Trend ForecastingTrend Forecasting

I love CheckMKI love CheckMK

• Autodetection ?Autodetection ?

• Service,Service,

• FunctionalitiesFunctionalities

• eg. vhosts etceg. vhosts etc

• Single Source of TruthSingle Source of Truth

I hate CheckMKI hate CheckMK

Monitoring a service vs Monitoring a serviceMonitoring a service vs Monitoring a service

Definition of Done:Definition of Done:

monitored and in productionmonitored and in production

A software project is not done A software project is not done untill your last end user is deaduntill your last end user is dead

Exit DODExit DOD

Measure Application UsageMeasure Application Usage

But , err how do I ? But , err how do I ?

Culture, Culture,

Automation,Automation,

Measurement :Measurement :

measure all the thingsmeasure all the thingsSharingSharing

Deploy StatisticsDeploy Statistics● Time To DeployTime To Deploy

● Deploy Deploy FrequencyFrequency

● Lifecycle Lifecycle frequencyfrequency

● Map to Map to

Application MetricsApplication Metrics● Number of current usersNumber of current users

● Number of sign upsNumber of sign ups

● Response timesResponse times

● Troughput Troughput

● XYZ UsageXYZ Usage

● # restarts# restarts

● Insert your specific valuable stuff Insert your specific valuable stuff here.here.

Graphite APIGraphite API

Triggers on GraphsTriggers on Graphs● Export Java MetricsExport Java Metrics

● JMXTransJMXTrans

● Export JMXConfigsExport JMXConfigs

● Configure NRPE CheckConfigure NRPE Check

● Export NagiosCheckExport NagiosCheck

● Collect JMX Exports on Collect JMX Exports on JMXTransNodeJMXTransNode

● Graph EmGraph Em

Collect Nagios Configs Collect Nagios Configs on Nagios Serveron Nagios Server

Triggers on GraphsTriggers on Graphs

Triggers on GraphsTriggers on Graphs

Self ServiceSelf ServiceGdash based pipelinesGdash based pipelines

Puppetized Templates (wip)Puppetized Templates (wip)

Up Next: Up Next:

• Creating Information out of this data Creating Information out of this data

• Big dataBig data

• Machine LearningMachine Learning

HomeworkHomeworkSkylineSkyline

OculusOculus

Dusk Dusk

RiemannRiemann

EsperEsper

Puppetdb external Puppetdb external NaginatorNaginator

ContactContactKris.Buytaert@inuits.euKris.Buytaert@inuits.eu

Further ReadingFurther Reading@krisbuytaert @krisbuytaert http://www.krisbuytaert.be/blog/http://www.krisbuytaert.be/blog/http://www.inuits.eu/http://www.inuits.eu/

InuitsInuits

Duboistraat 50Duboistraat 502060 Antwerpen2060 AntwerpenBelgiumBelgium891.514.231891.514.231

+32 475 961221+32 475 961221