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Add support for multiple upgrade artifact source URIs - #7682

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lorienhu wants to merge 3 commits into
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lhu-multiple-artifact-uris
Open

Add support for multiple upgrade artifact source URIs#7682
lorienhu wants to merge 3 commits into
mainfrom
lhu-multiple-artifact-uris

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@lorienhu

@lorienhu lorienhu commented Aug 22, 2026

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What is the problem this PR solves?

Currently, only one source for upgrade artifacts can be specified, meaning upgrades fail if that source is down.

How does this PR solve the problem?

Adds support for sending multiple upgrade artifact source URIs in an upgrade action with a new sources that deprecates source_uri. Backwards compatibility is maintained.

Design Checklist

  • I have ensured my design is stateless and will work when multiple fleet-server instances are behind a load balancer.
  • I have or intend to scale test my changes, ensuring it will work reliably with 100K+ agents connected.
  • I have included fail safe mechanisms to limit the load on fleet-server: rate limiting, circuit breakers, caching, load shedding, etc.

Checklist

  • I have commented my code, particularly in hard-to-understand areas
  • I have made corresponding changes to the documentation
  • I have made corresponding change to the default configuration files
  • I have added tests that prove my fix is effective or that my feature works
  • I have added an entry in ./changelog/fragments using the changelog tool

Related issues

@lorienhu lorienhu self-assigned this Aug 22, 2026
@lorienhu
lorienhu requested a review from a team as a code owner August 22, 2026 00:37
@lorienhu lorienhu added enhancement New feature or request backport-skip Skip notification from the automated backport with mergify Team:Elastic-Agent-Control-Plane Label for the Agent Control Plane team labels Aug 22, 2026
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backport-skip Skip notification from the automated backport with mergify enhancement New feature or request Team:Elastic-Agent-Control-Plane Label for the Agent Control Plane team

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Successfully merging this pull request may close these issues.

[Fleet Server] Allow multiple artifact URLs to be configured for a single policy

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