Orchestrate your business logic reliably with Dapr Workflows - TEQnation

Transcript

1. Orchestrate your
   business logic
   reliably with
   Dapr Workflows
   

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2. 2
   Azure MVP
   Dapr Community
   Manager
   ❤ pixel art
   Marc Duiker
   Sr Dev Advocate
   [email protected]
   

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3. 3
   3
   Checkout
   Dapr
   Chaining
   Workflows
   End
   Start
   Fan-out/Fan-in
   Eternal workflow Timers
   Q&A
   

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4. What is Dapr?
   4
   

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5. 5
   E-commerce system
   State
   Management
   Email Payment
   Front-end
   Shipping
   Checkout
   Inventory
   Cart
   Internet
   Queue
   I just want to
   trace my calls
   end-to-end.
   How do I encrypt
   calls with ongoing
   cert rotation?
   How do applications
   discover and call
   each other?
   How do I handle
   failed calls and
   perform retries?
   How do I secure
   access to my
   data layer?
   How do I handle
   state conflicts
   from multiple
   apps?
   How do I
   measure latency
   on my database?
   How do I
   orchestrate
   business logic
   transactions?
   How do I send
   messages to many
   applications?
   Developer
   challenges
   

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6. 6
   Distributed
   application
   runtime
   

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7. Dapr is a portable, event-
   driven, runtime for building
   distributed applications across
   cloud and edge.
   7
   

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8. 8
   virtual or
   physical machines
   

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9. Speeds up microservice
   development by providing
   a common set of building
   block APIs.
   9
   

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10. 10
    Service
    invocation
    State
    Management
    Publish &
    subscribe
    Bindings
    (input & output)
    Actors Secret
    Stores
    Configuration
    Observability
    Workflows
    Distributed Lock
    Building block APIs
    

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11. 11
    HTTP/gRPC
    Dapr API
    Dapr sidecar
    Application
    App
    

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12. 12
    POST http:// localhost:3500/v1.0/invoke/cart/method/order
    GET http:// localhost:3500/v1.0/state/inventory/item67
    POST http:// localhost:3500/v1.0/publish/order
    GET http:// localhost:3500/v1.0/secrets/vault/password42
    POST http:// localhost:3500/v1.0-alpha1/workflows/dapr/businessprocess/1234/start
    HTTP/gRPC
    Dapr API
    App
    

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13. 13
    Python
    Java
    Script
    Java
    Go
    Client
    SDKs
    C#
    

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14. 19
    Bindings
    Configuration
    State
    Management
    Publish &
    subscribe
    Observability
    Actors
    Secret
    Stores
    Workflows
    Distributed
    Lock
    Components
    AWS
    DynamoDB
    Azure
    CosmosDB
    GCP
    Firebase
    Redis
    Cassandra
    AWS
    SQS
    Azure
    Service Bus
    GCP
    Pub/Sub
    Redis
    RabbitMQ
    AWS
    Secrets mngr
    Azure
    KeyVault
    GCP
    Secret mngr
    HashiCorp
    Vault
    Kubernetes
    Secrets
    AWS
    DynamoDB
    Azure
    CosmosDB
    Redis
    MongoDB
    Postgres
    AWS
    S3
    Azure
    Storage
    GCP
    Storage
    Twilio
    Kafka
    Jeager
    Zipkin
    Prometheus
    App
    Insights
    Datadog
    Redis
    Redis Azure App
    Configuration
    Dapr
    Workflow
    Building Block APIs
    

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15. Workflows
    38
    

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16. A sequence of tasks or
    activities that are performed to
    accomplish a specific goal.
    39
    

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17. 40
    Business Process Automation
    Durable
    Logic Apps
    

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18. Dapr workflow works with all the
    other building block APIs 🎉
    41
    

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19. Workflow patterns
    42
    Workflows
    

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20. 43
    Workflows
    Activity 1
    Activity 3
    Activity 2
    End
    Start Chaining
    

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21. 44
    Workflows
    Activity 1 Activity 3
    Activity 2
    End
    Start
    Fan-out
    fan-in
    

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22. 45
    Workflows
    Eternal
    Activity
    Start
    Continue
    

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23. 46
    Workflows
    Timer
    Activity
    Timer
    End
    Start
    

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24. 47
    The workflow engine
    

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25. 48
    Your
    Workflow
    App
    Workflow
    engine
    Append-only
    state store
    

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26. 49
    Your
    Workflow
    App
    Contains definition of
    a sequence of
    activities
    Schedules and manages
    activity executions
    (incl resiliency)
    Contains workflow
    state, input and
    outputs of activities
    

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27. End
    Activity 3
    Activity 2
    Activity 1
    50
    Start
    Replay &
    checkpointing
    

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28. End
    End
    Activity 3
    Activity 3
    Activity 2
    Activity 2
    Activity 1
    Activity 1
    51
    Start Workflow
    Start
    Store start & input
    

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29. End
    End
    Activity 3
    Activity 3
    Activity 2
    Activity 2
    Activity 1
    52
    Start
    Start
    Store input
    & output
    Schedule & execute
    Activity 1
    

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30. End
    End
    Activity 3
    Activity 3
    Activity 2
    Activity 2
    Activity 1
    53
    Replay Workflow
    Start
    Activity 1 has
    been executed already
    

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31. End
    End
    Activity 3
    Activity 3
    Activity 2
    Activity 1
    54
    Start
    Start
    Store input
    & output
    Schedule & execute
    Activity 2
    Activity 1
    

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32. End
    End
    Activity 3
    Activity 3
    Activity 2
    Activity 1
    55
    Replay Workflow
    Start
    Activity 1 & 2 have
    been executed already
    

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33. End
    End
    Activity 3
    Activity 2
    Activity 1
    56
    Schedule & execute
    Activity 3
    Start
    Start
    Store input
    & output
    Activity 2
    Activity 1
    

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34. End
    End
    Activity 3
    Activity 2
    Activity 1
    57
    Replay Workflow
    Start
    Activity 1,2 & 3 have
    been executed already
    

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35. End
    Activity 3
    Activity 2
    Activity 1
    58
    Workflow is completed
    Start
    Store completion &
    output
    

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36. Workflow demos
    59
    https://github.com/diagrid-labs/dapr-workflow-demos
    

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37. Join the Dapr Discord!
    bit.ly/dapr-discord
    

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