Handle errors with custom predicate

Defines a custom error handler, including a custom predicate and custom backoff parameters.

Explore further

For detailed documentation that includes this code sample, see the following:

Code sample

YAML

main:
  steps:
    - read_item:
        try:
          call: http.get
          args:
            url: https://example.com/someapi
          result: api_response
        retry:
          predicate: ${my_own_predicate}
          max_retries: 5
          backoff:
            initial_delay: 2
            max_delay: 60
            multiplier: 2
    - last_step:
        return: "OK"

my_own_predicate:
  params: [e]
  steps:
    - log_error_tags:
        call: sys.log
        args:
          data: ${e.tags}
          severity: "INFO"
    - log_error_message:
        call: sys.log
        args:
          data: ${e.message}
          severity: "INFO"
    - log_error_code:
        call: sys.log
        args:
          data: ${e.code}
          severity: "INFO"
    - what_to_repeat:
        switch:
          - condition: ${e.code == 202}
            return: true
    - otherwise:
        return: false

What's next

To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser.