GitHub Actions job name based on matrix index instead of matrix value

Question

I'm using GitHub Actions to run a workflow using a matrix strategy, as follows (simplified):

name: Functional Tests
...
jobs:
  functional:
    ...
    strategy:
      matrix:
        range:
          - -e FT_FROM_IX=0 -e FT_TO_IX=300
          - -e FT_FROM_IX=301 -e FT_TO_IX=600
          - -e FT_FROM_IX=601 -e FT_TO_IX=900
          - -e FT_FROM_IX=901 -e FT_TO_IX=1200
          - -e FT_FROM_IX=1201

    steps:
      - uses: actions/checkout@v2

      - name: Run functional test
        run: |
          docker run  --network host -t --rm ${{ matrix.range }} -v $(pwd):/opt/fiware-orion ${{ env.TEST_IMAGE_NAME }} build -miqts functional

It works fine, but I get a ugly description at GitHub because the matrix.range value appears as part of the job name:

I would like to have my jobs numbered (e.g. functional-1, functional-2, etc.). Is that possible using some expression to get the index of the matrix element (something like ${{ matrix.range.index }}) or any other way?

I'm afraid no luck so far :( It would be great if GitHub staff could have a look to this post and tell something :) — fgalan
– fgalan, Commented Nov 30, 2021 at 10:43

AranS · Accepted Answer · 2021-12-01 12:59:57Z

7

I had a similar use case, found a simple solution:

Change matrix range to a list of objects, containing order and range.
Concatenate order with the job's name key.
Use range key as before.

Hopefully, Github Actions will add an index to the matrix jobs, simplifying the way we distinguish between them.

name: Functional Tests
...
jobs:
  functional:
    name: functional - ${{ matrix.payload.order }}
    ...
    strategy:
      matrix:
        payload:
          - { order: 1, range: '-e FT_FROM_IX=0 -e FT_TO_IX=300' }
          - { order: 2, range: '-e FT_FROM_IX=301 -e FT_TO_IX=600' }
          - { order: 3, range: '-e FT_FROM_IX=601 -e FT_TO_IX=900' }
          ...

    steps:
      - uses: actions/checkout@v2

      - name: Run functional test
        run: |
          docker run  --network host -t --rm ${{ matrix.payload.range }} -v $(pwd):/opt/fiware-orion ${{ env.TEST_IMAGE_NAME }} build -miqts functional

answered Dec 1, 2021 at 12:59

AranS

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3 Comments

fgalan Over a year ago

Thanks! It works nicely :) As additional information, order could be also a non-numeric field, i.e. order: 'f1'

AranS Over a year ago

Yes, order can be anything, happy that helped!

Sankar Feb 28 at 12:03

Do you have any screenshot, How it is picking that name lable and value sometime my value taking as secrets ?

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