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Discovery

This plugin can be integrated with Pandora FMS Discovery.

To do this, the corresponding .disco package must be uploaded from the Pandora FMS library or from the console plugin system.

Once loaded, Azure Load Balancer resources can be monitored by creating Discovery tasks from the corresponding Cloud/Application Discovery section.

For each task, the following data will be requested in the Azure Base step:

  • Azure Subscription ID: identifier of the Azure subscription where Load Balancers will be discovered.
  • Azure Tenant ID: identifier of the Azure Active Directory tenant used by the Service Principal.
  • Azure Client ID: application identifier of the Service Principal.
  • Azure Client Secret: Service Principal secret.
  • Resource group: optional filter to limit discovery to one resource group. If left empty, Load Balancers from the whole subscription are discovered.

In the Azure Load Balancer Detailed step, additional options can be configured:

  • Max threads: maximum number of threads used to process the discovered Load Balancers.
  • Target agent: target agent where all modules will be stored when agent creation per Load Balancer is not enabled.
  • Custom module prefix: optional prefix for all generated module names.
  • Scan Load Balancers: enables automatic Load Balancer discovery.
  • Create agent per Load Balancer: if enabled, each Load Balancer generates its own agent. If disabled, all modules are sent to the agent indicated in Target agent.
  • Custom Load Balancer agent prefix: optional prefix for agents created per Load Balancer. For example, Azure LB will create agents such as Azure LB my-load-balancer.
  • Enable entities file re-scan interval: enables periodic refresh of the temporary discovered entities file.
  • Re-scan entities file interval: interval used to rebuild the entities cache when re-scan is enabled.
  • Metric time window: time window used to query Azure Monitor metrics. It should normally match or be slightly higher than the task interval.
  • Availability metrics: creates availability modules: data path availability and health probe status.
  • Traffic metrics: creates traffic modules: byte count, packet count, and SYN count.
  • SNAT metrics: creates SNAT modules: allocated SNAT ports, used SNAT ports, and SNAT connection count.
  • Backend pool host count: creates the backend pool configured hosts count module.
  • Load Balancer count: creates the discovered Load Balancer resource count module.
  • Azure Monitor metric interval: Azure Monitor granularity in ISO-8601 format. Default is PT1M.
  • Azure API timeout: timeout in seconds for each Azure call. If 0 or a negative value is configured, the plugin will use 30 seconds.
  • Azure API max retries: maximum number of retries for temporary API errors, including HTTP 429 rate limiting.

Successfully completed tasks will have an execution summary with information similar to:

  • Total agents: total number of agents generated by the task.
  • Targets up: number of Load Balancers available or correctly discovered.
  • Targets down: number of previously stored Load Balancers that no longer appear in the current discovery.
  • Load Balancers discovered: number of Load Balancers discovered in the current execution.
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