Retries a Github Action step or command on failure.

Works with either shell commands or other actions to retry.

Github actions which use the Internet connection can fail when connection is lost :

Run actions/setup-node@v1
connect ETIMEDOUT 104.20.22.46:443
Waiting 15 seconds before trying again
connect ETIMEDOUT 104.20.22.46:443
Waiting 18 seconds before trying again
Error: connect ETIMEDOUT 104.20.22.46:443

It is a cause of failed jobs. For this case, the action wretry.action can retry the action immediately after fail or with some delay. And if the connection will be restored, then the job will continue the normal run.

• Retries Github JavaScript actions.
• Retries GitHub Docker actions utilizing a Dockerfile as the image source.
• Retries private actions. The option github_token is used for private repositories.
• The action can be an action repository that is not published on Marketplace.
• Retries shell commands. Uses default shells to run commands.
• Can retry single action or single command ( multiline command ), but not both simultaneously.
• Retries main, pre and post stages of external actions.
• Always has pre and post stages. If external action has pre or/and post stage, then action run it also.
• Action handles conditions in JavaScript and Docker actions ( fields pre-if and post-if ). Some conditions can be unsolvable and then action skips the stage.
• Resolves external action default inputs from next contexts : github, env, job, matrix, inputs.
• Retries actions with defined number of attempts ( default is 2 ).
• Retries actions with defined delay between attempts ( default is 0 ).

The name of a Github action. Format is {owner}/{repo_name}@{ref}.

Attention. Action requires defined action or command. If the fields action and commands are defined simultaneously, then action will throw error.

The command to run. The action runs the command in the default shell.

Attention. Action requires defined action or command. If the fields action and commands are defined simultaneously, then action will throw error.

An options map for Github action. It is a multiline string with pairs key : value.

An example of declaration of option with single line value :

- uses: Wandalen/wretry.action@master
  with:
    action: owner/action-repo@version
    with: |
      option1: value
      option2: value

An example of declaration of option with multiline string :

- uses: Wandalen/wretry.action@master
  with:
    action: owner/action-repo@version
    with: |
      option1: |
        value1
        value2
          value3
      option2: value

Setup working directory for the action. Works with only commands. Default is github.workspace path.

Set number of attempts. Default is 2.

Set delay between attempts in ms. Default is 0.

Set time out in ms for entire step including all retries. By default actions sets no time out.

Use any valid expression to decide the continuation of retries. If expression resolves to false, then the action interrupts retries. Default value is true.

- uses: Wandalen/wretry.action@master
  with:
    action: owner/action-repo@version
    retry_condition: github.ref_name == 'main'
    with: |
      option1: value
      option2: value

Attention. The expression can be wrapped by expression tokens ${{ <expr> }}. Github workflow runner resolves expressions wrapped in the tokens to a specific value and replaces action input. The expression without tokens will be resolved by the action for each retry. If you don't need recalculations put the expression in the expression tokens.

A token to access private actions. Does not required for public actions.

The action exposes single output named outputs. It collects all the outputs from the action/command in JSON map.

To access the value from an external action outputs parse the wretry.action output and select required key. To parse the outputs use builtin Github Actions function fromJSON.

Let's look at an example:

jobs:
  job1:
    runs-on: ubuntu-latest
    outputs:
      # extract `outputs` from a step
      out: ${{ steps.my-action.outputs.outputs }}
    steps:
      - id: my-action
        uses: Wandalen/wretry.action@1.2.0
        with:
          attempt_limit: 3
          action: user/action@version
          with: |
            foo: bar
  job2:
    runs-on: ubuntu-latest
    needs: job1
    steps:
      - env:
          # parse full map and store it to OUPUT1
          OUTPUT1: ${{ fromJSON( needs.job1.outputs.out ) }}
          # parse full map and extract field `foo`
          OUTPUT2: ${{ fromJSON( needs.job1.outputs.out ).foo }}
        run: echo "$OUTPUT1 $OUTPUT2"

To setup job output we access output outputs of the step my-action. In the job job2 we parse this output to JSON. The environment variable OUPUT1 represents full JSON and the variable OUPUT2 represents key foo of the parsed JSON.

- uses: Wandalen/wretry.action@master
  with:
    action: action/setup-node@2.3.0
    with: |
      node-version: 14.x
      architecture: x64
    attempt_limit: 3
    attempt_delay: 2000

- uses: Wandalen/wretry.action@master
  with:
    command: npm i
    attempt_limit: 3
    attempt_delay: 2000

To build compiled dependencies utility willbe is required. To install utility run :

npm i -g 'willbe@latest'

willbe is not required to use the action in your project as submodule.