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DescribeTags error in buildkite logs, no EC2 tags #3533

@LukevanTricht

Description

@LukevanTricht

Using the latest patch update for the Buidkite Agent, 3.109.1, I'm still getting an error in my logs around the DescribeTags function, and I'm not getting an EC2 tags in my agent tags.

buildkite-agent[3850]: 2025-10-15 23:51:56 NOTICE Starting buildkite-agent v3.109.1 with PID: 3850
buildkite-agent[3850]: 2025-10-15 23:51:56 NOTICE The agent source code can be found here: https://github.com/buildkite/agent
buildkite-agent[3850]: 2025-10-15 23:51:56 NOTICE For questions and support, email us at: [email protected]
buildkite-agent[3850]: 2025-10-15 23:51:56 INFO Configuration loaded path=/etc/buildkite-agent/buildkite-agent.cfg
buildkite-agent[3850]: 2025-10-15 23:51:56 INFO Fetching EC2 meta-data...
buildkite-agent[3850]: 2025-10-15 23:51:56 INFO Successfully fetched EC2 meta-data
buildkite-agent[3850]: 2025-10-15 23:51:56 INFO Fetching EC2 tags...
buildkite-agent[3850]: 2025-10-15 23:51:56 WARN operation error EC2: DescribeTags, failed to resolve service endpoint, endpoint rule error, Invalid Configuration: Missing Region (Attempt 1/5 Retrying in 2.962013476s)
buildkite-agent[3850]: 2025-10-15 23:51:59 WARN operation error EC2: DescribeTags, failed to resolve service endpoint, endpoint rule error, Invalid Configuration: Missing Region (Attempt 2/5 Retrying in 2.109908528s)
buildkite-agent[3850]: 2025-10-15 23:52:01 WARN operation error EC2: DescribeTags, failed to resolve service endpoint, endpoint rule error, Invalid Configuration: Missing Region (Attempt 3/5 Retrying in 2.73163947s)
buildkite-agent[3850]: 2025-10-15 23:52:04 WARN operation error EC2: DescribeTags, failed to resolve service endpoint, endpoint rule error, Invalid Configuration: Missing Region (Attempt 4/5 Retrying in 2.699027363s)
buildkite-agent[3850]: 2025-10-15 23:52:07 WARN operation error EC2: DescribeTags, failed to resolve service endpoint, endpoint rule error, Invalid Configuration: Missing Region (Attempt 5/5)
buildkite-agent[3850]: 2025-10-15 23:52:07 ERROR Failed to find EC2 tags: operation error EC2: DescribeTags, failed to resolve service endpoint, endpoint rule error, Invalid Configuration: Missing Region

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