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Parameters

Given the highly customizable nature of the command Action, users may often find that they need to pass in a number of parameters into subsequent steps during their workflows. This Action provides a way to pass in parameters to your command without any required structure or format.

All examples will use .restart as the example command

Example

Here are a few examples of how to pass in parameters to the .restart command and why they might be used.

Example 1

Command:

.restart | LOG_LEVEL=debug CPU_CORES=4

Outputs: params = LOG_LEVEL=debug CPU_CORES=4

Why: A user might need to restart a VM and tell subsequent workflow steps to use a LOG_LEVEL of debug and during the restart we should use CPU_CORES of 4

Example 2

Command:

.restart | server1 server2 server3

Outputs: params = server1 server2 server3

Why: This example shows that the params output is just a string that can be literally anything your heart desires. It is up to the user to parse the string and use it in subsequent steps.

Parameter Separator

The param_separator input defaults to | and will collect any text that is provided after this character and save it as a GitHub Actions output called params. This output can then be used in subsequent steps.

This value can be configured to be any character (or string) that you want.

Parameter Output

The params output can be accessed just like any other output from the command Action. Here is a quick example:

- name: command
  id: command
  uses: github/[email protected]
  with:
    command: .restart
    param_separator: "|"

- name: example
  if: steps.command.outputs.continue == 'true'
  run: |
    echo "params: ${{ steps.command.outputs.params }}"

If a user were to comment .restart | superServer1 on a pull request, the result of this Action workflow would be the command step succeeding, setting a continue = "true" output, and then the example step running which would echo params: superServer1 to the console's stdout.