Created
December 22, 2025 08:20
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notify on dag task level on failure
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| apiVersion: argoproj.io/v1alpha1 | |
| kind: Workflow | |
| metadata: | |
| generateName: dag-diamond-hooks- | |
| spec: | |
| entrypoint: main | |
| templates: | |
| - name: main | |
| dag: | |
| tasks: | |
| - name: A | |
| template: worker | |
| hooks: | |
| failure: | |
| expression: "true" # Required by some 'main' branch builds | |
| template: notifier | |
| arguments: | |
| parameters: [{name: task-id, value: "Node A"}] | |
| - name: B | |
| depends: "A" | |
| template: worker | |
| hooks: | |
| failure: | |
| expression: "true" | |
| template: notifier | |
| arguments: | |
| parameters: [{name: task-id, value: "Node B"}] | |
| - name: C | |
| depends: "A" | |
| template: worker | |
| hooks: | |
| failure: | |
| expression: "true" | |
| template: notifier | |
| arguments: | |
| parameters: [{name: task-id, value: "Node C"}] | |
| - name: D | |
| depends: "B && C" | |
| template: worker | |
| hooks: | |
| failure: | |
| expression: "true" | |
| template: notifier | |
| arguments: | |
| parameters: [{name: task-id, value: "Node D"}] | |
| - name: worker | |
| container: | |
| image: alpine:latest | |
| command: [sh, -c] | |
| args: ["if [ $(($RANDOM % 2)) -eq 0 ]; then echo 'Success'; exit 0; else echo 'Failing'; exit 1; fi"] | |
| - name: notifier | |
| inputs: | |
| parameters: | |
| - name: task-id | |
| container: | |
| image: alpine:latest | |
| command: [echo] | |
| args: ["ALERT: Task '{{inputs.parameters.task-id}}' failed."] |
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