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 SourceChief 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 AutomationBuild Automation
•
Test AutomationTest Automation
•
IACIAC
● Monitoring , Metrics ...Monitoring , Metrics ...
● SharingSharing

Monitoring is usually anMonitoring is usually an
aftertoughtaftertought
ENOBUDGET, ENOTIMEENOBUDGET, ENOTIME

#monitoringsucks#monitoringsucks
● John Vincent (@lusis)John Vincent (@lusis)
● A sub movementA 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 infrastructureModel 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 makeFor years we've tolerated humans to to make
structural manual changes to the infrastructurestructural manual changes to the infrastructure
our critical applications are running on.our critical applications are running on.
Whilst at the same time demanding those criticalWhilst 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 = CodeCode = Code
● Version ControlVersion Control
● Quality ChecksQuality Checks
● TestingTesting
● Continuous IntegrationContinuous Integration
● Continous DeliveryContinous Delivery

Infrastructure as CodeInfrastructure as Code
● Core InfrastructureCore Infrastructure
● Middleware deployment andMiddleware deployment and
integrationintegration
● Automated continuous applicationAutomated continuous application
deploymentdeployment
● Integrated Security enforcementIntegrated Security enforcement
● Host, Service and ApplicationHost, 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 ?
● DevDev
● 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 cleanpuppet node clean

Exporting and CollectingExporting 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 doneA 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 things
SharingSharing

Deploy StatisticsDeploy Statistics
● Time To DeployTime To Deploy
● DeployDeploy
FrequencyFrequency
● LifecycleLifecycle
frequencyfrequency
● Map toMap to

Application MetricsApplication Metrics
● Number of current usersNumber of current users
● Number of sign upsNumber of sign ups
● Response timesResponse times
● TroughputTroughput
● XYZ UsageXYZ Usage
● # restarts# restarts
● Insert your specific valuable stuffInsert your specific valuable stuff

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 onCollect JMX Exports on
JMXTransNodeJMXTransNode
● Graph EmGraph Em
Collect Nagios ConfigsCollect Nagios Configs
on Nagios Serveron Nagios Server

Triggers on GraphsTriggers on Graphs

Triggers on GraphsTriggers on Graphs

Self ServiceSelf Service
Gdash based pipelinesGdash based pipelines
Puppetized Templates (wip)Puppetized Templates (wip)

Up Next:Up Next:
•
Creating Information out of this dataCreating Information out of this data
•
Big dataBig data
•
Machine LearningMachine Learning

HomeworkHomework
SkylineSkyline
OculusOculus
DuskDusk
RiemannRiemann
EsperEsper
Puppetdb externalPuppetdb external
NaginatorNaginator

ContactContact
Kris.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
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2060 Antwerpen2060 Antwerpen
BelgiumBelgium
891.514.231891.514.231
+32 475 961221+32 475 961221