feat(azure_metrics): add resource_manager_audience for sovereign cloud (GovCloud) support

[zmoog]

Summary

• Adds the missing resource_manager_audience configuration field to all eight azure_metrics data streams (monitor, compute_vm, compute_vm_scaleset, container_instance, container_registry, container_service, database_account, storage_account)
• Updates docs/README.md with field description and sovereign-cloud audience values
• Bumps package version to 1.15.0

Problem

Azure sovereign clouds (e.g. GovCloud) require three settings to be redirected correctly:

Setting	GovCloud value
resource_manager_endpoint	https://management.usgovcloudapi.net/
active_directory_endpoint	https://login.microsoftonline.us
resource_manager_audience	https://management.core.usgovcloudapi.net

azure_metrics exposed only the first two. Without resource_manager_audience, the Beats Azure Monitor client requests an OAuth2 token scoped for the public cloud audience (https://management.core.windows.net/) even when the other endpoints are set to GovCloud values. ARM then rejects the token with:

RESPONSE 404: 404 Not Found
ERROR CODE: SubscriptionNotFound

azure_billing already exposes all three settings correctly. This PR brings azure_metrics to parity.

Test plan

• Deploy azure_metrics integration with GovCloud endpoints and resource_manager_audience: https://management.core.usgovcloudapi.net — verify metrics are collected without SubscriptionNotFound errors
• Deploy without resource_manager_audience set — verify existing public-cloud behaviour is unchanged
• Confirm the field appears (hidden by default, show_user: false) in the Kibana integration UI advanced settings

🤖 Generated with Claude Code

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[github-actions]

TL;DR

The azure_metrics check failed because the generated docs/README.md was stale at commit 6c2ed327bcb70c68d424efd4251a025b3a4caccc. The Buildkite log reports that the existing README contained the new Resource Manager Audience section, while the generated output omitted it. This is a documentation-generation mismatch, not a runtime or test failure.

Remediation

• Rerun the Buildkite check against the current PR head ed9d73228eafddc14d33433fb57f501ee9590eda; that commit adds the field to packages/azure_metrics/_dev/build/docs/README.md and regenerates packages/azure_metrics/docs/README.md.
• If the check is rerun at the older commit, run elastic-package build for packages/azure_metrics and commit the generated README changes.

Investigation details

Root Cause

At the failed SHA, the README template at packages/azure_metrics/_dev/build/docs/README.md did not contain the newly added Resource Manager Audience section, while the checked-in generated README did. The package consistency check therefore rejected the generated output. The PR’s latest commit, ed9d73228eafddc14d33433fb57f501ee9590eda, explicitly fixes this by updating the template and regenerating the docs.

Evidence

• Build: https://buildkite.com/elastic/integrations/builds/46400
• Job/step: Check integrations azure_metrics
• Key log excerpt: README.md is outdated. Rebuild the package with 'elastic-package build'; the diff shows the Resource Manager Audience section present in want and absent from got.
• Failed commit: 6c2ed327bcb70c68d424efd4251a025b3a4caccc

Verification

No local package test was run because the workspace is on main, not the PR revision. The PR history confirms the generated-doc fix was added after the failed build.

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[elastic-vault-github-plugin-prod]

✅ All changelog entries have the correct PR link.

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💚 Build Succeeded

• Buildkite Build
• Commit: ed9d732

History

• 💔 Build #46400 failed 6c2ed32