az postgres flexible-server replica promote failing when doing planned promote #33776

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1. narayana471

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   bugThis issue requires a change to an existing behavior in the product in order to be resolved.This issue requires a change to an existing behavior in the product in order to be resolved.

   on Jul 23, 2026
2. microsoft-github-policy-service

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   customer-reportedIssues that are reported by GitHub users external to the Azure organization.Issues that are reported by GitHub users external to the Azure organization.

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   Service AttentionThis issue is responsible by Azure service team.This issue is responsible by Azure service team.

   PostgreSQL

   act-codegen-extensibility-squad

   on Jul 23, 2026
3. yonzhan commented on Jul 23, 2026

   

   Yong Zhang (yonzhan)

   on Jul 23, 2026

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   Thank you for opening this issue, we will look into it.
4. Aditya Pujara (a0x1ab)

   assigned

   Copilot

   on Jul 23, 2026
5. a0x1ab commented on Jul 23, 2026

   

   Aditya Pujara (a0x1ab)

   on Jul 23, 2026

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   Bug Analysis

   Regression between azure-cli 2.87.0 and 2.88.0: az postgres flexible-server replica promote with --promote-mode SwitchOver --promote-option Planned now fails with:

   (MissingRequiredParameter) Parameter 'properties.sourceServerResourceId' must be specified. This parameter cannot be NULL or empty.
   

   The service (Postgres Flexible Server RP) requires properties.sourceServerResourceId to be set on the update payload for a planned promote of a read replica, but the CLI's rdbms module custom command for replica promote is not populating this field before calling the underlying begin_update operation. Likely the fix needs to look up the read replica's source_server_resource_id (available via replica show/the server's replica.source_server_resource_id property, as the reporter confirmed show returns it) and pass it through in the update body when --promote-mode SwitchOver --promote-option Planned is used, restoring the pre-2.88.0 behavior.

   Please investigate src/azure-cli/azure/cli/command_modules/rdbms/ (custom command implementation for flexible-server replica promote) to find where the update payload is constructed and ensure sourceServerResourceId is populated automatically instead of requiring the user to supply it.

   Use this EXACT PR title: [RDBMS] Fix #33776: az postgres flexible-server replica promote: Populate sourceServerResourceId when doing a planned promote

   PR title & description format (required)

   This repo enforces a PR format (guide). Please author the PR exactly as follows or CI's Check the Format of Pull Request Title and Content will fail.

   Use this EXACT PR title (copy verbatim, do not reword):

   [RDBMS] Fix #33776: `az postgres flexible-server replica promote`: Populate sourceServerResourceId when doing a planned promote
   

   Keep the backticks around the command and the Fix #33776: prefix. You may only adjust the wording after the command (the final summary) if the fix changes; the [RDBMS] prefix, issue link, and backticked command must stay.

   Description — follow the PR template and fill in:

   • Link the issue — start the Description with a closing keyword so the PR auto-links and closes it: Fixes #33776.
   • Related command — the az ... command this affects.
   • Description (mandatory) — why the bug happens, what you changed, and the resulting behavior.
   • Testing Guide — example command(s) showing the fix works.
   • History Notes — leave the title to drive the history note, or add extra lines in the same format (component in brackets + the command in backticks), e.g. [RDBMS] `az <command>`: <note>.
   • Keep the template checklist and tick the items you've satisfied.

   ---

   Posted by agent-assist (autonomous bug-fix pipeline).
6. Aditya Pujara (a0x1ab)

   self-assigned this

   on Jul 23, 2026
7. Copilot

   linked a pull request that will close this issue[RDBMS] Fix Azure/azure-cli#33776: `az postgres flexible-server replica promote`: Populate sourceServerResourceId when doing a planned promote #33777on Jul 23, 2026
8. Copilot

   added a commit that references this issue on Jul 23, 2026

   [RDBMS] Fix #33776: `az postgres flexible-server replica promote`: Po…

   ...

   This issue will close once commit 43bc36c is merged into the 'dev' branch.

   43bc36c
9. Yabo Hu (VeryEarly)

   closed this as completedin #33777on Aug 17, 2026
10. Yabo Hu (VeryEarly)

    added a commit that references this issue on Aug 17, 2026

    [RDBMS] Fix #33776: `az postgres flexible-server replica promote`: Po…

    ...

    This issue will close once commit 9ee8f0e is merged into the 'dev' branch.

    9ee8f0e