Serverless orchestration with Workflows

Transcript

1. Proprietary + Confidential Serverless orchestration with Workflows Mete Atamel Developer Advocate Google Cloud
2. Proprietary + Confidential Orchestration vs Choreography in microservices
3. Proprietary + Confidential Imagine an e-commerce transaction Too much coupling between services What if one of the services goes down?
4. Proprietary + Confidential Choreographed services Services are loosely coupled Who ensures that the transaction is complete?
5. Proprietary + Confidential Imagine a more complex transaction
6. Proprietary + Confidential Orchestrated services Best of both worlds: Loosely coupled + orchestrator to capture the transaction
7. Proprietary + Confidential What’s Workflows?
8. Proprietary + Confidential Serverless Compute External API’s Google API’s etc... Workflows - orchestrate & integrate SaaS API’s Private API’s Other Clouds
9. - callMyFunction: call: http.get args: url: https://us-central1-project123.cloudfunctions.net/... query: metric: NoOfTrs result: metricResult - saveResult: switch: - condition: ${ metricResult.body.TrNo > 100 } call: http.post args: url: https://mydeployment.... body: Metric: ${ metricResult.body.TrNo } getMetric TrNo>100 End Yes No {“metric”:”NoOfTrs”} Notify
10. Proprietary + Confidential Steps
11. Proprietary + Confidential Expression language
12. Proprietary + Confidential Errors and retries
13. Proprietary + Confidential Conditional Expressions
14. Proprietary + Confidential How do I use Workflows?
15. Proprietary + Confidential # Deploy a workflow gcloud workflows deploy my-workflow --source=workflow.yaml # Execute a workflow gcloud workflows execute my-workflow # See the result gcloud workflows executions describe <your-execution-id> --workflow my-workflow gcloud
16. Proprietary + Confidential Cloud Console
17. Proprietary + Confidential Workflows cloud.google.com/workflows Quickstarts cloud.google.com/workflows/docs/quickstarts Codelab: Introduction to serverless orchestration with Workflows codelabs.developers.google.com/codelabs/cloud-workflows-intro Thank you