moby / moby/libnetwork

IP Addresses in KV are not released if the docker engine crashes

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Dominant language
Go
Stars
2.2k
Forks
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PR merge metrics
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Description

If a container is started on a global network with --ip to use a specific ip address, and the docker daemon crashes, the IP address is still stuck in the KV store so the container cannot start again.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No files, tests, or entry points are named. Start by reproducing a global-network container with --ip across a Docker daemon crash, then trace the KV-store IP allocation and recovery path; done means the address is released or safely reusable when the container is started again.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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