Add cert watcher for target allocator TLS config #290
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This was referenced Mar 18, 2025
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This PR was marked stale due to lack of activity. It will be closed in 14 days. |
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Closed as inactive. Feel free to reopen if this PR is still being worked on. |
okankoAMZ
reviewed
May 20, 2025
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This PR was marked stale due to lack of activity. It will be closed in 14 days. |
sky333999
previously approved these changes
Jun 13, 2025
TravisStark
previously approved these changes
Jun 13, 2025
sky333999
approved these changes
Jun 13, 2025
TravisStark
approved these changes
Jun 13, 2025
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Description of the issue
The Target Allocator manager from the Prometheus receiver doesn't have a mechanism to reload the HTTP client when one of the TLS certificates (CAFile, CertFile, or KeyFile) change due to a refresh. This causes an error when the Target Allocator refreshes its credentials and the OTel Collector doesn't restart since it has a static HTTP client with old credentials.
Description of changes
Important
Co-PRs: 1) aws-observability/helm-charts#163; 2) aws/amazon-cloudwatch-agent#1510; aws/amazon-cloudwatch-agent-operator#284
httpClientinitialization tosetHTTPClient()function so that it can be called repeatedly.setupTLSWatchers()function to call thesetHTTPClient()function every time there is a change in one of the credentials.License
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
Tests
Before
Target Allocator
OTel Collector
After
Target Allocator
OTel Collector