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Implementing "Undo" for Cloud Foundry Service B...
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Dr Nic Williams
September 28, 2016
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Implementing "Undo" for Cloud Foundry Service Brokers - CF Summit Frankfurt 2016
Dr Nic Williams
September 28, 2016
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Transcript
Dingo PostgreSQL Implementing “Undo” for Cloud Foundry Service Brokers
Justin Carter & Dr Nic Williams
Dingo PostgreSQL Problem
Dingo PostgreSQL Problem
Dingo PostgreSQL Problem
Plan First-class love for databases Implementing “undo” Ǚ No
CF CLI plugin required Example of Dingo PostgreSQL
For the love of databases Cloud Foundry loves developers
For the love of databases Does Cloud Foundry
love DBs?
361 v2 API endpoints For the love of databases
81 v2 services APIs
For the love of databases 51 v3 API endpoints
4 v3 APIs for service bindings
For the love of databases 172 cf commands 31
cf commands for ‘services’
For the love of databases Create service instance
Bind to an application Unbind from an app Delete service instance Ǚ
For the love of databases Dz 0 commands for
listing backups 0 commands for viewing DB logs 0 commands for health/monitoring ǟ 0 commands to “undo” mistakes Ǚ
For the love of databases TCP router is for
apps Diego persistence is for apps Loggregator is app centric CLI plugins decoupled from brokers Lj
Undo How can we offer “undo” to users?
Undo Ŏ “clone-from” parameter
Idea Perform “actions” via parameters
Problem ŏ Broker only receives UUIDs, not “production” provided by
user ŏ Cloud Controller doesn’t remember “production” after delete
Implement broker 1 Receive service instance ID only 3 Look
up service name from CF 2 Continue asynchronously 4 Cache service name independently of CF
CLI to Cloud Controller
Cloud Controller to Broker
Undo Ŏ Able to map “production” to backups
clone-from: production
Space restriction Ȓ Restrict to same space_guid Else complex authorisation
system
“Daily” backups Ɍ Daily backups can be 23+ hours old
… Continuous archiving … PostgreSQL write ahead logs (WAL)
MySQL binary log files MongoDB /dev/null Ǚ
Dingo PostgreSQL Dingo PostgreSQL <insert video of 3D animation>
User Experience User-initiated data recovery Continuous/near-real time archives …
Users expect all data is recoverable ȑ Native CLI experience would be much nicer please
Future Auto-discovery of broker plugin Point in time recovery …
CLI plugins for full experience Lj Operator cleanup of legacy backups Ǎ
Team 30 staff, 6 countries Platform experts Cloud Foundry experts
Dingo PostgreSQL