Amazon EventBridge Event Bus pattern-based discovery

  • Release version: Australia
  • Updated May 13, 2026
  • 2 minutes to read
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    Summary of Amazon EventBridge Event Bus pattern-based discovery

    The Amazon EventBridge Event Bus pattern-based discovery enables ServiceNow customers to identify and map Amazon EventBridge Event Buses within their AWS cloud environments. This discovery utilizes the Discovery and Service Mapping Patterns application, which must be updated to the latest version to ensure compatibility and receive ongoing updates. The discovery process populates data into both CMDB and non-CMDB tables, enriching the Configuration Management Database with detailed EventBridge Event Bus information.

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    Key Features

    • Pattern Activation: The EventBridge Event Bus discovery pattern is disabled by default and must be enabled manually. With Visibility Content version 6.28.0 and later, enabling or disabling patterns is streamlined and updates are preserved across upgrades.
    • Prerequisites and Configuration: Customers need to verify AWS discovery prerequisites and ensure relevant resources are not in the Resource Inclusion List to prevent duplicate discovery. For AWS GovCloud accounts, service account setup requires specific datacenter URL configuration.
    • Data Storage: The discovery populates non-CMDB tables for extended inventory data and CMDB tables for core configuration items. Key tables include:
      • cmdbawseventbridgeeventbus: Stores Event Bus name, ARN, and resource-based policy.
      • cmdbcicloudmessagingservice: Represents the Event Bus as a Configuration Item with details such as type, install status, and operational status.
      • cmdbkeyvalue: Captures AWS tags associated with Event Buses for flexible tagging and management.
    • Relationship Mapping: The discovery creates relationships between Event Buses and their hosting AWS Datacenter, supporting comprehensive cloud infrastructure mapping.

    Practical Benefits for ServiceNow Customers

    • Enables automated detection and accurate mapping of Amazon EventBridge Event Buses, enhancing cloud asset visibility.
    • Supports compliance and governance by capturing policies and operational statuses directly within the CMDB.
    • Improves cloud resource management through tag collection, aiding in categorization and reporting.
    • Facilitates integration with other ServiceNow modules by establishing clear relationships between Event Buses and AWS infrastructure components.
    • Ensures up-to-date discovery capabilities through pattern version management and simplified activation processes.

    Discovery and Service Mapping Patterns finds Amazon EventBridge Event Buses on your cloud environment. Discovering some of these resources may require updating to the latest version of the Discovery and Service Mapping Patterns application from the ServiceNow Store.

    Pattern-based discovery and mapping requirements

    Verify the AWS discovery prerequisites
    For more information, see the prerequisites section in AWS discovery using patterns.
    Remove resources from the Resource Inclusion List table
    Verify that the relevant resource isn't listed in the Resource Inclusion List [sa_cloud_inventory_resource_whitelist] table to avoid duplicate discovery. For more information on removing resources from the Resource Inclusion List, see AWS Resource Inventory discovery with Patterns.
    Enable the relevant pattern
    The pattern for this service is disabled by default. Starting with Visibility Content version 6.28.0, activating or deactivating a pattern won't be considered a customization, and it will continue to receive updates. Patterns that were previously activated or deactivated will reset to the latest predefined version after upgrading while retaining the last active field value. For more information on enabling patterns, see Activate a disabled pattern.
    Configure the Discovery schedule to support GovCloud
    Discovering AWS GovCloud (US) accounts requires using a datacenter URL when setting up an AWS service account. For more information, see Create AWS service accounts.

    Discovery and Service Mapping Patterns application populates data in both CMDB and non-CMDB tables.

    Data stored in non-CMDB tables

    Discovery and Service Mapping Patterns application populates data in the non-CMDB table when running the Amazon AWS - EventBridge Event Bus - Extended Inventory (LP) pattern.

    You can review the non-CMDB AWS tables by navigating to All > Configuration > AWS. You can also search the navigation filter for the specific pattern name.

    Table 1. AWS EventBridge Event Bus [cmdb_aws_eventbridge_event_bus]
    Field Description
    Name [name] Name of the event bus.
    Object ID [object_id] The Amazon Resource Name (ARN) of the event bus.
    Policy [policy] The resource-based policy that controls who can send events to the event bus.
    Configuration Item [configuration_item] References the Cloud Messaging Service [cmdb_ci_cloud_messaging_service] table.

    Data stored in CMDB tables

    Discovery and Service Mapping Patterns application populates data in the CMDB when running the Amazon AWS - EventBridge Event Bus - Extended Inventory (LP) pattern.

    Table 2. Cloud Messaging Service [cmdb_ci_cloud_messaging_service]
    Field Description
    Name [name] Name of the event bus.
    Object ID [object_id] The ARN of the event bus.
    Type [type] Type of resource. The value is set to AWS::EventBridge::EventBus.
    Install Status [install_status] Install status of the resource. Default value is Installed.
    Operational status [operational_status] Operational status of the resource. Default value is Operational.

    CI relationships

    The Amazon AWS - EventBridge Event Bus - Extended Inventory (LP) pattern creates the following relationships and references to support Amazon EventBridge Event Bus discovery. References link to records in other tables and don't appear in the CI Relationship [cmdb_rel_ci] table.

    Table 3. CI relationships
    CI Relationship CI
    Cloud Messaging Service [cmdb_ci_cloud_messaging_service] Hosted on::Hosts AWS Datacenter [cmdb_ci_aws_datacenter]
    Table 4. CI references
    CI Field Referenced CI
    AWS EventBridge Event Bus [cmdb_aws_eventbridge_event_bus] Configuration Item [configuration_item] Cloud Messaging Service [cmdb_ci_cloud_messaging_service]
    Key Value [cmdb_key_value] Configuration item [configuration_item] Cloud Messaging Service [cmdb_ci_cloud_messaging_service]

    AWS Tag discovery

    The Amazon AWS - EventBridge Event Bus - Extended Inventory (LP) pattern collects tags and populates them in the Key Value [cmdb_key_value] table.

    Table 5. Key Value [cmdb_key_value]
    Field Description
    Key [key] Tag name.
    Value [value] Tag value.
    Configuration item [configuration_item] References the Cloud Messaging Service [cmdb_ci_cloud_messaging_service] table.