Azure Application LB pattern-based discovery
Summarize
Summary of Azure Application LB pattern-based discovery
The Azure Application LB pattern-based discovery enables ServiceNow customers to discover and map Azure application load balancers within their cloud environment using Discovery and Service Mapping Patterns. This process updates the Configuration Management Database (CMDB) with detailed data about Azure load balancer resources, supporting accurate service mapping and cloud infrastructure visibility.
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Key Features
- Pattern-based discovery: Uses the Azure - Application LB (LP) pattern to identify and collect information on Azure load balancers and related components.
- Prerequisites: Requires meeting Microsoft Azure discovery prerequisites and configuring Discovery schedules appropriately, including specific setup for Azure GovCloud accounts using datacenter URLs.
- Comprehensive data collection: Discovers key load balancer details such as Name, Object ID, Location, State, IP Address, DNS, and install status, populating corresponding CMDB tables.
- Relationship mapping: Automatically creates CI relationships linking load balancers to Azure Datacenters, IP addresses, load balancer pools and services, cloud subnets, and resource groups to maintain accurate infrastructure context.
- Tag discovery: Captures Azure tags and stores them in the Key Value table, associating tags with the Cloud Load Balancer CIs for enhanced filtering and reporting.
What Customers Can Expect
By implementing this discovery pattern, ServiceNow customers can expect an automated, accurate population of Azure Application Load Balancer data into their CMDB, improving cloud asset visibility and operational management. The pattern supports governance scenarios by ensuring GovCloud environments are discoverable with correct service account configurations. The established relationships between CIs provide a clear infrastructure topology, aiding troubleshooting, impact analysis, and service mapping. Additionally, tag data integration allows for better categorization and management of Azure load balancer resources.
Discovery and Service Mapping Patterns finds Azure application load balancers 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 Microsoft Azure discovery prerequisites
- For more information, see the prerequisites section in Microsoft Azure Cloud discovery using patterns.
- Configure the Discovery schedule to support GovCloud
- Discovering Azure GovCloud (US) accounts requires using a datacenter URL when setting up an Azure service account. For more information, see Set up Azure service accounts.
Data collected by Discovery during horizontal discovery
Discovery populates the data in the CMDB when running the Azure - Application LB (LP) pattern.
| Field | Description |
|---|---|
| Name [name] | The Name or ID if no Name is specified for the load balancer. |
| Object ID [object_id] | A unique identifier, allocated by Azure for this resource. |
| Location [location] | The path of the load balancer. |
| State [state] | The current state of the load balancer. |
| IP Address [ip_address] | IP address of the load balancer. |
| Fully qualified domain name [fqdn] | The fully qualified domain name of the load balancer. |
| DNS Name [dns_name] | The DNS name of the load balancer. |
| Comments [comments] | Identifier for internal usage (deletion strategy). |
| Install Status [install_status] | Install status of the resource. Default value is Installed. |
| Field | Description |
|---|---|
| Object ID [object_id] | A unique identifier, allocated by Azure for this resource. |
| IP Address [ip_address] | IP address of the load balancer. |
| IPAddress Type [ipaddress_type] | The type of the IP address. Possible values are private or public. |
| Fully qualified domain name [fqdn] | The fully qualified domain name of the load balancer. |
| Comments [comments] | Identifier for internal usage (deletion strategy). |
| Install Status [install_status] | Install status of the resource. Default value is Installed. |
| Field | Description |
|---|---|
| Name [name] | The Name or ID if no Name is specified for the load balancer pool. |
| Object ID [object_id] | A unique identifier, allocated by Azure for this resource. |
| Location [location] | Path of the load balancer pool. |
| Comments [comments] | Identifier for internal usage (deletion strategy). |
| Install Status [install_status] | Install status of the resource. Default value is Installed. |
| Field | Description |
|---|---|
| Name [name] | The Name or ID if no Name is specified for the load balancer service. |
| Object ID [object_id] | A unique identifier, allocated by Azure for this resource. |
| Location [location] | Path of the load balancer service. |
| Port [port] | The TCP port that the load balancer service listens to. |
| Comments [comments] | Identifier for internal usage (deletion strategy). |
| Install Status [install_status] | Install status of the resource. Default value is Installed. |
CI relationships
The Azure - Application LB (LP) pattern creates the following relationships and references to support Azure Application LB discovery. References link to records in other tables and don't appear in the CI Relationship [cmdb_rel_ci] table.
| CI | Relationship | CI |
|---|---|---|
| Cloud Load Balancer [cmdb_ci_cloud_load_balancer] | Hosted on::Hosts | Azure Datacenter [cmdb_ci_azure_datacenter] |
| Cloud Load Balancer [cmdb_ci_cloud_load_balancer] | Owns::Owned by | Cloud LB IPAddress [cmdb_ci_cloud_lb_ipaddress] |
| Load Balancer Pool [cmdb_ci_lb_pool] | Hosted on::Hosts | Cloud Load Balancer [cmdb_ci_cloud_load_balancer] |
| Load Balancer Service [cmdb_ci_lb_service] | Hosted on::Hosts | Cloud Load Balancer [cmdb_ci_cloud_load_balancer] |
| Cloud Subnet [cmdb_ci_cloud_subnet] | Contains::Contained by | Cloud Load Balancer [cmdb_ci_cloud_load_balancer] |
| Resource Group [cmdb_ci_resource_group] | Contains::Contained by | Cloud Load Balancer [cmdb_ci_cloud_load_balancer] |
| CI | Field | Referenced CI |
|---|---|---|
| Key Value [cmdb_key_value] | Configuration item [configuration_item] | Cloud Load Balancer [cmdb_ci_cloud_load_balancer] |
Azure Tag discovery
The Azure - Application LB (LP) pattern collects tags and populates them in the Key Value [cmdb_key_value] table.
| Field | Description |
|---|---|
| Key [key] | Tag name. |
| Value [value] | Tag value. |
| Configuration item [configuration_item] | References the Cloud Load Balancer [cmdb_ci_cloud_load_balancer] table. |