| # Copyright 2024 Apache Software Foundation (ASF) |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| apiVersion: sonataflow.org/v1alpha08 |
| kind: SonataFlow |
| metadata: |
| name: callbackstatetimeouts |
| annotations: |
| sonataflow.org/description: Callback State Timeouts Example k8s |
| sonataflow.org/version: 0.0.1 |
| spec: |
| persistence: |
| postgresql: |
| secretRef: |
| name: postgres-secrets |
| userKey: POSTGRES_USER |
| passwordKey: POSTGRES_PASSWORD |
| serviceRef: |
| name: postgres |
| port: 5432 |
| databaseName: sonataflow |
| databaseSchema: callbackstatetimeouts |
| podTemplate: |
| container: |
| env: |
| # set the flyway initialization in the WF container env |
| - name: QUARKUS_FLYWAY_MIGRATE_AT_START |
| value: "true" |
| initContainers: |
| - name: init-postgres |
| image: registry.access.redhat.com/ubi9/ubi-micro:latest |
| imagePullPolicy: IfNotPresent |
| command: [ 'sh', '-c', 'until (echo 1 > /dev/tcp/postgres.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local/5432) >/dev/null 2>&1; do echo "Waiting for postgres server"; sleep 3; done;' ] |
| flow: |
| start: PrintStartMessage |
| events: |
| - name: callbackEvent |
| source: '' |
| type: callback_event_type |
| functions: |
| - name: systemOut |
| type: custom |
| operation: sysout |
| states: |
| - name: PrintStartMessage |
| type: operation |
| actions: |
| - name: printSystemOut |
| functionRef: |
| refName: systemOut |
| arguments: |
| message: "${\"callback-state-timeouts: \" + $WORKFLOW.instanceId + \" has started.\"}" |
| transition: CallbackState |
| - name: CallbackState |
| type: callback |
| action: |
| name: callbackAction |
| functionRef: |
| refName: systemOut |
| arguments: |
| message: "${\"callback-state-timeouts: \" + $WORKFLOW.instanceId + \" has executed the callbackFunction.\"}" |
| eventRef: callbackEvent |
| transition: CheckEventArrival |
| timeouts: |
| eventTimeout: PT30S |
| - name: CheckEventArrival |
| type: switch |
| dataConditions: |
| - condition: "${ .eventData != null }" |
| transition: EventArrived |
| defaultCondition: |
| transition: EventNotArrived |
| - name: EventArrived |
| type: inject |
| data: |
| exitMessage: "The callback event has arrived." |
| transition: PrintExitMessage |
| - name: EventNotArrived |
| type: inject |
| data: |
| exitMessage: "The callback event has not arrived, and the timeout has overdue." |
| transition: PrintExitMessage |
| - name: PrintExitMessage |
| type: operation |
| actions: |
| - name: printSystemOut |
| functionRef: |
| refName: systemOut |
| arguments: |
| message: "${\"callback-state-timeouts: \" + $WORKFLOW.instanceId + \" has finalized. \" + .exitMessage + \" eventData: \" + .eventData}" |
| end: true |