Skip to content

Synchronization Mutex Tmpl Level

Note

This example is a replication of an Argo Workflow example in Hera. The upstream example can be found here.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
from hera.workflows import (
    Container,
    Steps,
    Workflow,
    models as m,
)

with Workflow(
    generate_name="synchronization-tmpl-level-mutex-",
    entrypoint="synchronization-tmpl-level-mutex-example",
) as w:
    acquire_lock = Container(
        name="acquire-lock",
        image="alpine:latest",
        command=["sh", "-c"],
        args=["sleep 20; echo acquired lock"],
        synchronization=m.Synchronization(mutex=m.Mutex(name="welcome")),
    )
    acquire_lock_1 = Container(
        name="acquire-lock-1",
        image="alpine:latest",
        command=["sh", "-c"],
        args=["sleep 50; echo acquired lock"],
        synchronization=m.Synchronization(mutex=m.Mutex(name="test")),
    )
    with Steps(name="synchronization-tmpl-level-mutex-example") as s:
        with s.parallel():
            acquire_lock(
                name="synchronization-acquire-lock",
                arguments={"seconds": "{{item}}"},
                with_param='["1","2","3","4","5"]',
            )

            acquire_lock_1(
                name="synchronization-acquire-lock1",
                arguments={"seconds": "{{item}}"},
                with_param='["1","2","3","4","5"]',
            )

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: synchronization-tmpl-level-mutex-
spec:
  entrypoint: synchronization-tmpl-level-mutex-example
  templates:
  - container:
      args:
      - sleep 20; echo acquired lock
      command:
      - sh
      - -c
      image: alpine:latest
    name: acquire-lock
    synchronization:
      mutex:
        name: welcome
  - container:
      args:
      - sleep 50; echo acquired lock
      command:
      - sh
      - -c
      image: alpine:latest
    name: acquire-lock-1
    synchronization:
      mutex:
        name: test
  - name: synchronization-tmpl-level-mutex-example
    steps:
    - - arguments:
          parameters:
          - name: seconds
            value: '{{item}}'
        name: synchronization-acquire-lock
        template: acquire-lock
        withParam: '["1","2","3","4","5"]'
      - arguments:
          parameters:
          - name: seconds
            value: '{{item}}'
        name: synchronization-acquire-lock1
        template: acquire-lock-1
        withParam: '["1","2","3","4","5"]'

Comments