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Monitoring Drupal in an Monitoring Drupal in an IAC AgeIAC Age
DrupalCon Prague 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
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● Model our infrastructure Model our infrastructure
● A fast reproducable platformA fast reproducable platform
● Disaster discovery for “free”Disaster discovery for “free”
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
#monitoringsucks#monitoringsucks● John Vincent (@lusis)John Vincent (@lusis)
● A sub movement A sub movement
● https://github.com/monitoringsucks/https://github.com/monitoringsucks/
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
#monitoringlove#monitoringlove• #monitoringlove hacksessions#monitoringlove hacksessions
• #monitorama#monitorama
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
Puppet Apache Example:Puppet Apache Example:
E.g. Puppet Stored ConfigsE.g. Puppet Stored 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
Checking Drupal HealthChecking Drupal Health● Nagios PluginNagios Plugin
• Check updates Check updates
• Check cronjobsCheck cronjobs
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.
Self Service MetricsSelf Service Metrics
● Being able to add new metrics Being able to add new metrics
● Build your own dashboardsBuild your own dashboards
● Look at metrics / logs on all Look at metrics / logs on all platformsplatforms
● Learn from the platformLearn from the platform
● Collect from Collect from anywhereanywhere
● FilterFilter
● Send anywhereSend anywhere
● QueingQueing
StatsdStatsd
● A network daemon that runs on a A network daemon that runs on a zillion platform and listens for zillion platform and listens for statistics, like counters and timers, statistics, like counters and timers, sent over UDP and sends aggregates sent over UDP and sends aggregates to one or more pluggable backend to one or more pluggable backend services (e.g., Graphite).services (e.g., Graphite).
Graphite APIGraphite API
Math 101Math 101
● f(x)f(x)
● f'(x)f'(x)
● f''(x)f''(x)
● ... statistics 101... statistics 101
Triggers on GraphsTriggers on Graphs
Triggers on GraphsTriggers on Graphs
Self ServiceSelf ServiceGdash based pipelinesGdash based pipelines
Up Next: Up Next:
• Creating Information out of this data Creating Information out of this data
• Big dataBig data
• Machine LearningMachine Learning
Culture, Culture,
Automation, Automation,
Measurement,Measurement,
SharingSharing
Visualize Business MetricsVisualize Business Metrics
● $revenue$revenue
● #sales#sales
● signups signups
● conversionsconversions
● Api callsApi calls
● Application useApplication use
DashboardsDashboards
THANK YOU!
WHAT DID YOU THINK?
Locate this session at the DrupalCon Prague website:http://prague2013.drupal.org/schedule
Click the “Take the survey” link
[email protected]@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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