Detecting and aborting hanging Steps

You can detect and abort hanging Steps that do not produce any log output for a certain amount of time using the No Output Timeout function. You can use this function to automatically abort hung builds after a configurable timeout period to save credits and to enable Bitrise to gather data on hanging builds.

You can use the No Output Timeout function in two ways:

• Enable globally for all Steps.
• Enable for specific Steps only.

The No Output Timeout function can be used alongside other timeout functionalities, such as the one described in the M1 Hanging builds issue guide or in Setting a time limit for Steps.

Enabling the No Output Timeout function globally for all Steps

Bitrise 1.50.0 or newer is required

You must use Bitrise 1.50.0 or a newer version to use the No Output Timeout function.

To enable the No Output Timeout globally for all Steps:

1. Log in to Bitrise and select Bitrise CI on the left, then select your project.

2. Click the Workflows button on the main page.

   

3. Go to the Secrets tab.

4. Add a new secret Env Var: BITRISE_NO_OUTPUT_TIMEOUT and set its value to the number of seconds you want the build to wait for output logs before aborting.

   We recommend setting it to 600 seconds (10 minutes).

   

   Aborting a hanging build automatically

   Compared to setting a time limit for Steps, the No Output Timeout function only aborts a build no output log is generated for a set amount of time.

   Any log output will reset the timeout. This can result in a Step running longer than the value you set in BITRISE_NO_OUTPUT_TIMEOUT.

5. Click Save. You can check the Build log of your build to determine if the function is enabled.

   

And that's it! From now on, whenever a Step does not produce an output log for the number of seconds you set in BITRISE_NO_OUTPUT_TIMEOUT , your build automatically aborts with the message: Abort via Bitrise CLI (no output timeout).

Disabling the No Output Timeout function for a specific Step

If you enabled the No Output Timeout function globally and want to disable it for specific Steps, you can add the no_output_timeout: 0 Step property just above the inputs: part of the chosen Step(s) in the bitrise.yml.

For example:

steps:    
    - virtual-device-testing-for-ios@1:
        no_output_timeout: 0
        inputs:
        - zip_path: "$BITRISE_PROJECT_PATH"

Enabling the No Output Timeout function for specific Steps

Bitrise 1.50.0 or newer is required

You must use Bitrise 1.50.0 or a newer version to use the No Output Timeout function.

You can enable the No Output Timeout function for specific Steps by adding the no_output_timeout Step property below a Step in your bitrise.yml file.

To do so with the Workflow Editor:

1. Log in to Bitrise and select Bitrise CI on the left, then select your project.

2. Click the Workflows button on the main page.

   

3. Go to the bitrise.yml tab.

4. Search for the Step(s) where you would like to use the function.

5. Insert no_output_timeout: 12 Step property and value just above the inputs: part of the chosen Step(s) to automatically abort a build if the Step does not produce an output log for 12 seconds.

   Setting the no_output_timeout Step property to 0

   You can disable the No Output Timeout function for a Step by setting the no_output_timeout Step property to 0.

   Let's look at an example where a Script Step will always be aborted automatically:

   output_slows_down:
       steps:
       - script@1:
           title: Output is slower and slower
           no_output_timeout: 12
           inputs:
           - content: |-
               #!/usr/bin/env bash
               for i in {1..5}
               do
                 DURATION=$((5*i))
                 echo "🏃‍step output (sleeping ${DURATION}s)"
                 sleep $DURATION
               done

And that's it! Now, if your Step hangs and does not produce a single output log for the number of seconds you specified in the no_output_timeout Step property, the build will be aborted automatically.