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PCF
Rajan Prasad Upadhyay
Rajan p Upadhyay 1
PCF Keywords
? Api endpoint
? Org, spaces
? Target
? Push
? logs
? Scale
? Service, cups service
? Binding/unbinding
? routes
Rajan p Upadhyay 2
Basic Commands
? Cf api
? Cf login
? Cf logout
? Cf target
Rajan p Upadhyay 3
Other commands
? Cf apps
? Cf app APP_NAME
? Cf push APP_NAME
? Cf push ¨Cf <manifest_file> -p<package_file>
? Cf scale APP_NAME
? Cf scale APP_name ¨Ci <instances_num> -k <disk_limit> -m<memory>
-f
? Cf delete APP_NAME -r
Rajan p Upadhyay 4
More commands
? Cf rename APP_NAME NEW_NAME
? Cf start APP_NAME
? Cf stop APP_NAME
? Cf restart APP_NAME
? Cf restage APP_NAME
? Cf events APP_NAME
? Cf restart-app-instance APP_NAME Index
? Cf logs APP_NAME
Rajan p Upadhyay 5
Even more commands
? Cf env App_Name
? Cf set-env APP_NAME <Key> <Value>
? Cf unset-env APP_NAME <Key>
Rajan p Upadhyay 6
Services command
? Cf marketplace
? Cf services
? Cf service SERVICE_INSTANCE
? Cf create-service SERVICE PLAN SERVICE_INSTANCE
? Cf delete-service SERVICE_INSTANCE
? Cf rename-service SERVICE_INSTANCE NEW_SERVICE_INSTANCE
? Cf bind-service APP_NAME SERVICE_INSTANCE
? Cf unbind-service APP_NAME SERVICE_INSTANCE
? Cf create-user-provided-service SERVICE_INSTANCE
? Cf update-user-provided-service SERVICE_INSTANCE
? Eg. Create database user provided service in interactive mode
cf cups SERVICE_NAME -p "url, username, password, encrypted"
Rajan p Upadhyay 7
Org commands
? Cf orgs
? Cf org ORG_NAME
? Cf create-org ORG_NAME
? Cf delete-org ORG_NAME
? Cf rename-org ORG_NAME NEW_ORG_NAME
Rajan p Upadhyay 8
Spaces
? Cf spaces
? Cf space SPACE_NAME
? Cf create-space SPACE
? Cf delete-space SPACE
? Cf rename-space SPACE NEW_SPACE
Rajan p Upadhyay 9
Domain commands
? Cf domains
? Cf create-domain ORG DOMAIN
? Cf delete-domain DOMAIN
? -- shared domain can only be created by admins
? Cf create-shared-domain DOMAIN
? Cf delete-shared-domain DOMAIN
Rajan p Upadhyay 10
Routes command
? Cf routes
? Cf create-route SPACE DOMAIN [-n HOST]
? Cf check-route HOST DOMAIN
? Cf map-route APP_NAME DOMAIN [-n HOST]
? Cf unmap-route APP_NAME DOMAIN
? Cf delete-orphaned-routes
? -- routing is very important
Rajan p Upadhyay 11
extra commands
? Cf buildpacks
? Cf feature-flags
Rajan p Upadhyay 12
Blue Green JVM
? For zero down-time in production
? Route = host + shared_domain
? We can have many routes point to same application
? Blue Gree JVM
? deploy application in PR with a non production route. One prefixed green
and one prefixed blue
? Create the production route manually: without mapping to any jvm
? Which ever instance is tested, point the PR_ROUTE to that jvm instance
Rajan p Upadhyay 13
Blue green jvm example
? Say in PR, an application ABC needs to be deployed with a route abc.
rajanu.com.np
Where shared-domain=rajanu.com.np and host=abc
? Deploy the application with a host green-abc and app-name green-abc
ie route = green-abc.rajanu.com.np
? Create the abc route manually
cf creae-route <SPACE> rajanu.com.np ¨Cn abc
? When testing is finished with the application and it ok, map the route
cf map-route ABC rajanu.com.np ¨Cn abc
? Now route abc. rajanu.com.np will also point to the application ABC in
addition to green-abc.rajanu.com.np
? you can unmap the green-abc route from the application
Rajan p Upadhyay 14
Blue green jvm example continued
? Next time you have some change in code and want to deploy in PR
? Deploy it with host blue-abc with a new applicationName blue-abc.
? So the new instance will have a mapped route of blue-abc.rajanu.com.np
? Lets say the testing is complete and you want to make this the production
version. You can map the abc route to blue-abc application.
Cf map-route blue-abc rajanu.com.np ¨Cn abc
? Now the route abc. rajanu.com.np will be pointing to both the instances green-
abc and blue-abc
? Now unmap the route from the green-abc instance so that it will only point to
blue-abc instance
? Cf unmap-route green-abc rajanu.com.np ¨Cn abc
? If some problem is discovered and you want to backout the changes, simply map
the route to green-abc and unmap it from blue-abc.
Rajan p Upadhyay 15
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Pcf commands

  • 2. PCF Keywords ? Api endpoint ? Org, spaces ? Target ? Push ? logs ? Scale ? Service, cups service ? Binding/unbinding ? routes Rajan p Upadhyay 2
  • 3. Basic Commands ? Cf api ? Cf login ? Cf logout ? Cf target Rajan p Upadhyay 3
  • 4. Other commands ? Cf apps ? Cf app APP_NAME ? Cf push APP_NAME ? Cf push ¨Cf <manifest_file> -p<package_file> ? Cf scale APP_NAME ? Cf scale APP_name ¨Ci <instances_num> -k <disk_limit> -m<memory> -f ? Cf delete APP_NAME -r Rajan p Upadhyay 4
  • 5. More commands ? Cf rename APP_NAME NEW_NAME ? Cf start APP_NAME ? Cf stop APP_NAME ? Cf restart APP_NAME ? Cf restage APP_NAME ? Cf events APP_NAME ? Cf restart-app-instance APP_NAME Index ? Cf logs APP_NAME Rajan p Upadhyay 5
  • 6. Even more commands ? Cf env App_Name ? Cf set-env APP_NAME <Key> <Value> ? Cf unset-env APP_NAME <Key> Rajan p Upadhyay 6
  • 7. Services command ? Cf marketplace ? Cf services ? Cf service SERVICE_INSTANCE ? Cf create-service SERVICE PLAN SERVICE_INSTANCE ? Cf delete-service SERVICE_INSTANCE ? Cf rename-service SERVICE_INSTANCE NEW_SERVICE_INSTANCE ? Cf bind-service APP_NAME SERVICE_INSTANCE ? Cf unbind-service APP_NAME SERVICE_INSTANCE ? Cf create-user-provided-service SERVICE_INSTANCE ? Cf update-user-provided-service SERVICE_INSTANCE ? Eg. Create database user provided service in interactive mode cf cups SERVICE_NAME -p "url, username, password, encrypted" Rajan p Upadhyay 7
  • 8. Org commands ? Cf orgs ? Cf org ORG_NAME ? Cf create-org ORG_NAME ? Cf delete-org ORG_NAME ? Cf rename-org ORG_NAME NEW_ORG_NAME Rajan p Upadhyay 8
  • 9. Spaces ? Cf spaces ? Cf space SPACE_NAME ? Cf create-space SPACE ? Cf delete-space SPACE ? Cf rename-space SPACE NEW_SPACE Rajan p Upadhyay 9
  • 10. Domain commands ? Cf domains ? Cf create-domain ORG DOMAIN ? Cf delete-domain DOMAIN ? -- shared domain can only be created by admins ? Cf create-shared-domain DOMAIN ? Cf delete-shared-domain DOMAIN Rajan p Upadhyay 10
  • 11. Routes command ? Cf routes ? Cf create-route SPACE DOMAIN [-n HOST] ? Cf check-route HOST DOMAIN ? Cf map-route APP_NAME DOMAIN [-n HOST] ? Cf unmap-route APP_NAME DOMAIN ? Cf delete-orphaned-routes ? -- routing is very important Rajan p Upadhyay 11
  • 12. extra commands ? Cf buildpacks ? Cf feature-flags Rajan p Upadhyay 12
  • 13. Blue Green JVM ? For zero down-time in production ? Route = host + shared_domain ? We can have many routes point to same application ? Blue Gree JVM ? deploy application in PR with a non production route. One prefixed green and one prefixed blue ? Create the production route manually: without mapping to any jvm ? Which ever instance is tested, point the PR_ROUTE to that jvm instance Rajan p Upadhyay 13
  • 14. Blue green jvm example ? Say in PR, an application ABC needs to be deployed with a route abc. rajanu.com.np Where shared-domain=rajanu.com.np and host=abc ? Deploy the application with a host green-abc and app-name green-abc ie route = green-abc.rajanu.com.np ? Create the abc route manually cf creae-route <SPACE> rajanu.com.np ¨Cn abc ? When testing is finished with the application and it ok, map the route cf map-route ABC rajanu.com.np ¨Cn abc ? Now route abc. rajanu.com.np will also point to the application ABC in addition to green-abc.rajanu.com.np ? you can unmap the green-abc route from the application Rajan p Upadhyay 14
  • 15. Blue green jvm example continued ? Next time you have some change in code and want to deploy in PR ? Deploy it with host blue-abc with a new applicationName blue-abc. ? So the new instance will have a mapped route of blue-abc.rajanu.com.np ? Lets say the testing is complete and you want to make this the production version. You can map the abc route to blue-abc application. Cf map-route blue-abc rajanu.com.np ¨Cn abc ? Now the route abc. rajanu.com.np will be pointing to both the instances green- abc and blue-abc ? Now unmap the route from the green-abc instance so that it will only point to blue-abc instance ? Cf unmap-route green-abc rajanu.com.np ¨Cn abc ? If some problem is discovered and you want to backout the changes, simply map the route to green-abc and unmap it from blue-abc. Rajan p Upadhyay 15