Gremlin Spoke

  • Release version: Xanadu
  • Updated August 1, 2024
  • 2 minutes to read
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    Summary of Gremlin Spoke Release version: Xanadu

    The Gremlin Spoke enables ServiceNow customers to simulate outages and manage attacks directly from their ServiceNow instance. It requires an Integration Hub subscription and provides various automation actions related to attack management and scheduling on the Gremlin platform.

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    Key Features

    • Spoke Version: The latest version is Gremlin spoke v1.0.3, designed for Gremlin version v1 but may support later versions.
    • Requirements: Admin access to the Gremlin dashboard, a team set up for integration, and the Team ID and API Key for authentication.
    • Dependencies: Ensure necessary plugins are installed, such as ServiceNow IntegrationHub Runtime and ServiceNow Flow Designer - Dynamic Inputs.
    • Actions: Automate tasks including:
      • Create and manage attacks and attack schedules.
      • Retrieve details about attacks and executions.
      • Halt all active attacks.
    • Data Retrieval Limits: Default data retrieval is up to 5 MB, configurable to a maximum of 10 MB.

    Key Outcomes

    By leveraging the Gremlin Spoke, ServiceNow customers can efficiently simulate and manage attack scenarios, improving their incident response and resilience strategies. The integration streamlines operations by automating actions and providing real-time insights into attack management.

    Simulate outages and manage attacks using Gremlin instance from your ServiceNow instance.

    Request apps on the Store

    Visit the ServiceNow Store website to view all the available apps and for information about submitting requests to the store. For cumulative release notes information for all released apps, see the ServiceNow Store version history release notes.

    Integration Hub subscription

    This spoke requires an Integration Hub subscription. For more information, see Legal schedules - IntegrationHub overview.

    Spoke version

    Gremlin spoke v1.0.3 is the latest version.

    Supported versions

    This spoke was built for Gremlin version v1, but may be compatible with later versions.

    Spoke requirements

    • Set up clients as per your requirement.
    • Admin access to the Gremlin dashboard.
    • Team in your Gremlin account for integration with ServiceNow instance. For more information about creating teams, see Teams.
    • Team ID and API Key of the team. Copy and record these value for later use. For more information about accessing these values, see the Signature-based Authentication section.

    Spoke dependencies

    If you’re having trouble installing the app, ensure that these dependent plugins are installed:
    • ServiceNow IntegrationHub Runtime (com.glide.hub.integration.runtime)
    • Complex Object (com.glide.cobject)
    • ServiceNow Flow Designer - Dynamic Inputs (com.glide.hub.dynamic_inputs)
    • ServiceNow IntegrationHub Action Step - REST (com.glide.hub.action_step.rest)
    Note:
    Some of these plugins are licensable features and require appropriate licenses, if used outside the spoke implementation.

    Spoke actions

    The Gremlin spoke provides actions to automate Gremlin tasks when events occurs in your ServiceNow instance. Available actions include:

    Category Action Description
    Attack Management Create Attack Creates an attack on the Gremlin platform.
    Get Attack Details Retrieves details about an attack.
    Get Attack Executions Retrieves a list of executions associated with an attack.
    Halt All Attacks Idempotently halts all active attacks across the Gremlin platform.
    Look up Attacks Lists all attacks on the Gremlin platform.
    Note:
    • By default, this action can retrieve data up to 5 MB. You can configure the glide.pf.rest.response_payload_max_size property to retrieve data up to 10 MB. If the data in the response is more 10 MB, an error is displayed.
    • As data up to 10 MB only can be retrieved, you can also specify number of records that should be retrieved in the input field, Number of records to return.
    Attack Schedule Management Create Attack Schedule Creates an attack schedule on the Gremlin platform.
    Delete Attack Schedule Deletes the specified attach schedule.
    Get Attack Schedule Details Retrieves details about the specified attack schedule.
    Look up Active Attack Schedules Lists all the attack schedules on the Gremlin platform.
    Note:
    • Time zone that is considered in the spoke actions, is same as the time zone of your ServiceNow instance.
    • Based on your Gremlin license, if you don't have access to certain Gremlin functionality, you can't use the associated spoke actions in your ServiceNow instance as well.
    • For some arguments that take True or False as input, the actual value that the Gremlin platform considers, might be different from the value you have provided.

    Connection and credential alias requirements

    Integration Hub uses aliases to manage connection and credential information, and OAuth credentials. Using an alias eliminates the need to configure multiple credentials and connection information profiles when using multiple environments. If the connection or credential information changes, you don't need to update any actions that use the connection.

    For information about setting up the spoke, see Create Connection and Credential record for the Gremlin spoke.