[英]How to access the outputs in a workflow which are generated in another workflow template in argo
I've a requirement to pass the Argo outputs back to workflow which are generated in a another workflow template我需要将 Argo 输出传递回在另一个工作流模板中生成的工作流
So I have ONE Workflow called A
and TWO WorkflowTemplates called B
and C
所以我有一个名为
A
工作流程和两个名为B
和C
的工作流程模板
When I run my Workflow A
it invokes WorkflowTemplate B
and then B
invokes another WorkflowTemplate C
当我运行我的 Workflow
A
时,它调用 WorkflowTemplate B
,然后B
调用另一个 WorkflowTemplate C
The trigger flow is like this A -> B -> c
触发流程是这样
A -> B -> c
Now the WorkflowTemplate C
produces the outputs as an artifact.现在 WorkflowTemplate
C
将输出作为工件生成。 I want to pass these outputs back to WorkflowTemplate B
and the same should be passed back to Workflow A
.我想将这些输出传递回 WorkflowTemplate
B
并且应该将它们传递回 Workflow A
。 So that I can use that output as an input to another task in the same Workflow A
这样我就可以使用 output 作为同一工作流
A
中另一个任务的输入
The outputs passing flow should be like C -> B -> A
输出通过流应该像
C -> B -> A
Is there any way in argo workflows to do this? argo 工作流程中有什么方法可以做到这一点吗? Can you point me to an example?
你能给我举个例子吗?
Invoking a template from another WorkflowTemplate via templateRef
works precisely the same as invoking a template from the same Workflow via template
.通过 templateRef 从另一个 WorkflowTemplate 调用模板与通过
templateRef
从同一个 Workflow 调用template
完全相同。
(Note: I wrote a post on differentiating uses of the word "template" in Argo Workflows .) (注意:我写了一篇关于区分 Argo Workflows 中“模板”一词的用法的帖子。)
Here's an example adapted from the artifact passing example :这是一个改编自工件传递示例的示例:
apiVersion: argoproj.io/v1alpha1
kind: WorkflowTemplate
metadata:
name: templates
spec:
templates:
- name: whalesay
container:
image: docker/whalesay:latest
command: [sh, -c]
args: ["cowsay hello world | tee /tmp/hello_world.txt"]
outputs:
artifacts:
- name: hello-art
path: /tmp/hello_world.txt
- name: print-message
inputs:
artifacts:
- name: message
path: /tmp/message
container:
image: alpine:latest
command: [sh, -c]
args: ["cat /tmp/message"]
---
apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
generateName: artifact-passing-
spec:
entrypoint: artifact-example
templates:
- name: artifact-example
steps:
- - name: generate-artifact
templateRef:
name: templates
template: whalesay
- - name: consume-artifact
templateRef:
name: templates
template: print-message
arguments:
artifacts:
- name: message
from: "{{steps.generate-artifact.outputs.artifacts.hello-art}}"
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