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GRPC Health Checks #2246

jmccann opened this Issue Oct 18, 2017 · 3 comments


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jmccann commented Oct 18, 2017

Currently agent connectivity to server can be terminated under certain conditions (e.g. no jobs for a while and/or firewall/LB terminating idle connections). This results in jobs being triggered and sitting in pending until the agent is restarted and "reconnected" to the server.

GRPC health checks could help prevent/correct this issue and make the Drone platform more stable in general.

Discussion regarding this in Discourse:
GRPC Health Checks docs:


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appleboy commented Oct 18, 2017

The same issue in kubernetes.


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Franklin89 commented Oct 18, 2017

I am also seeing this while running in Docker Swarm.

@drone drone locked and limited conversation to collaborators Oct 18, 2017


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bradrydzewski commented Oct 18, 2017

Until we have a patch, it is not recommended to route agent communication through a load balancer or reverse proxy. When I start working on this I will update the issue status, but in the meantime, please feel free to send a patch if you want to expedite a resolution to this issue.

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