Git over ssh seems to be unavailable for projects on canary (in `gitlab*` groups)

Summary

➜  gitlab git:(282465-add-service-for-migrating-individual-project-with-pages-to-zip-deployment) git pull origin 
client_loop: send disconnect: Broken pipe
fatal: the remote end hung up upon initial contact
➜  gitlab git:(282465-add-service-for-migrating-individual-project-with-pages-to-zip-deployment) git remote -v
origin	git@gitlab.com:gitlab-org/gitlab.git (fetch)
origin	git@gitlab.com:gitlab-org/gitlab.git (push)

It finished successfully after a few attempts.

More information will be added as we investigate the issue.

Timeline

All times UTC.

2020-12-10

13:57 - vshushlin declares incident in Slack.

Corrective Actions


Click to expand or collapse the Incident Review section.

Incident Review

Summary

  1. Service(s) affected:
  2. Team attribution:
  3. Time to detection:
  4. Minutes downtime or degradation:

Metrics

Customer Impact

  1. Who was impacted by this incident? (i.e. external customers, internal customers)
    1. ...
  2. What was the customer experience during the incident? (i.e. preventing them from doing X, incorrect display of Y, ...)
    1. ...
  3. How many customers were affected?
    1. ...
  4. If a precise customer impact number is unknown, what is the estimated impact (number and ratio of failed requests, amount of traffic drop, ...)?
    1. ...

What were the root causes?

"5 Whys"

Incident Response Analysis

  1. How was the incident detected?
    1. ...
  2. How could detection time be improved?
    1. ...
  3. How was the root cause diagnosed?
    1. ...
  4. How could time to diagnosis be improved?
    1. ...
  5. How did we reach the point where we knew how to mitigate the impact?
    1. ...
  6. How could time to mitigation be improved?
    1. ...
  7. What went well?
    1. ...

Post Incident Analysis

  1. Did we have other events in the past with the same root cause?
    1. ...
  2. Do we have existing backlog items that would've prevented or greatly reduced the impact of this incident?
    1. ...
  3. Was this incident triggered by a change (deployment of code or change to infrastructure)? If yes, link the issue.
    1. ...

Lessons Learned

Guidelines

Resources

  1. If the Situation Zoom room was utilised, recording will be automatically uploaded to Incident room Google Drive folder (private)

Incident Review Stakeholders

Edited by Alberto Ramos