Amazon ElastiCache Snapshot pattern-based discovery

  • Release version: Yokohama
  • Updated June 16, 2026
  • 2 minutes to read
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    Summary of Amazon ElastiCache Snapshot pattern-based discovery

    The Amazon ElastiCache Snapshot pattern-based discovery in ServiceNow enables automated identification and mapping of ElastiCache snapshot resources within your AWS cloud environment. This discovery leverages the Discovery and Service Mapping Patterns application, which must be kept up to date to ensure comprehensive detection of AWS services, including ElastiCache snapshots.

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    This pattern is disabled by default and requires activation. It supports discovery of resources in both CMDB and non-CMDB tables, providing detailed information about ElastiCache snapshots and their relationships within your cloud infrastructure.

    Key Features

    • Prerequisites: Ensure AWS discovery prerequisites are met and the resource is not duplicated in the Resource Inclusion List to avoid redundant discovery.
    • Pattern Activation: Enable the Amazon ElastiCache Snapshot pattern, which from version 6.28.0 onwards, can be activated or deactivated without losing updates during upgrades.
    • AWS GovCloud Support: When discovering AWS GovCloud (US) accounts, configure the discovery schedule with datacenter URLs and set up AWS service accounts accordingly.
    • Data Population: Discovery results populate both CMDB tables (for core configuration management) and non-CMDB tables (for extended inventory data), ensuring comprehensive resource tracking.
    • Tag Collection: AWS tags are discovered and stored in the Key Value [cmdbkeyvalue] table, enabling enhanced resource categorization and management.

    Data Details and Relationships

    Non-CMDB Table - AWS ElastiCache Snapshot [cmdbawselasticachesnapshot]:

    • Contains snapshot-specific fields such as Amazon Resource Name (ARN), snapshot name, status, cache cluster ID, engine type (e.g., Redis or Memcached), and engine version.
    • References the Cloud Resource table for linked configuration items.

    CMDB Table - Cloud Resource [cmdbcicmpresource]:

    • Stores core CI data including ARN, name, resource type (set as AWS::ElastiCache::Snapshot), install status (default Installed), and operational status (default Operational).

    CI Relationships:

    • Defines “Hosted on” relationships connecting the Cloud Resource CI to the AWS Datacenter CI.
    • Establishes “References” relationships linking the ElastiCache Snapshot to the Cloud Resource CI.

    Practical Benefits for ServiceNow Customers

    • Automates discovery and accurate modeling of ElastiCache snapshots within your CMDB, enhancing cloud resource visibility.
    • Improves asset management by capturing detailed snapshot metadata and their contextual relationships.
    • Supports compliance and operational efficiency by integrating AWS tags for better resource classification.
    • Facilitates effective cloud governance through up-to-date, pattern-driven discovery that adapts with ServiceNow updates.

    Discovery and Service Mapping Patterns finds AWS services 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 Amazon AWS Cloud components 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 Amazon Web Services (AWS) Resource Inventory.
    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 - ElastiCache Snapshot - 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 ElastiCache - Snapshot [cmdb_aws_elasticache_snapshot]
    Field Description
    Object Id [object_id] The Amazon Resource Name (ARN) uniquely identifying the ElastiCache snapshot.
    Name [name] The name of the snapshot.
    Status [status] The current status of the snapshot.
    Cache Cluster ID [cache_cluster_id] The identifier of the cache cluster from which the snapshot was taken.
    Configuration Item [configuration_item] References the Cloud Resource [cmdb_ci_cmp_resource] table.
    Engine [engine] The type of caching engine used. For example: Redis or Memcached.
    Engine Version [engine_version] The version of the cache engine used for the snapshot.

    Data stored in CMDB tables

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

    Table 2. Cloud Resource [cmdb_ci_cmp_resource]
    Field Description
    Object ID [object_id] The ARN uniquely identifying the ElastiCache snapshot.
    Name [name] The name of the snapshot.
    Resource type [resource_type] Type of resource. The value is set to AWS::ElastiCache::Snapshot.
    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 - ElastiCache Snapshot - Extended Inventory (LP) pattern creates these relationships to support Amazon ElastiCache Snapshot discovery.

    CI Relationship CI
    Cloud Resource [cmdb_ci_cmp_resource] Hosted on::Hosts AWS Datacenter [cmdb_ci_aws_datacenter]
    AWS ElastiCache - Snapshot [cmdb_aws_elasticache_snapshot] References Cloud Resource [cmdb_ci_cmp_resource]

    AWS tag discovery

    The pattern collects tags and populates them in the Key Value [cmdb_key_value] table.
    Table 3. Key Value [cmdb_key_value]
    Field Description
    Key [key] Tag name.
    Value [value] Tag value.