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Issue 850796 link

Starred by 5 users

Issue metadata

Status: Fixed
Owner:
User never visited
Closed: Jun 2018
Cc:
Components:
EstimatedDays: ----
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Pri: 1
Type: Bug



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LUCI outage due to luci-config serving 404 on all requests

Project Member Reported by vadimsh@chromium.org, Jun 8 2018

Issue description

(Note: this bug is public)

A change [1] has been deployed that caused luci-config to serve 404 on all requests. 404 is interpreted by clients as "no such config file".

This caused many LUCI services to "forget" their configs: all Milo consoles gone, Logdog refusing log uploads due to "no such project" error, all luci-scheduler jobs gone, etc.

We reverted the change, the services should be recovering now. Assigning this to myself as on-call, to monitor the recovery.

[1] https://chromium.googlesource.com/infra/luci/luci-py/+/2bb891ae32138026f1762af2cd1fa8d000dbe648
 
Issue 850790 has been merged into this issue.
Issue 850791 has been merged into this issue.
It appears everything has come back online successfully. 

Here is a graph (for those who have access) of infra build errors spiking and coming back down: http://shortn/_j1gfxRtJDy

Looking at other graphs, the only anomaly I don't understand is a huge spike in Logdog HTTP 500 (1500 QPS!): http://shortn/_rkZKYvRUhc
Cc: vadimsh@chromium.org
Owner: s...@google.com
Assigning to Sana to write a postmortem when details of the root cause are clear.

Comment 5 by efoo@chromium.org, Jun 12 2018

Sana wrote go/cit-pm-85

Comment 6 by s...@google.com, Jun 12 2018

Cc: -s...@google.com
Labels: cit-pm-85
Owner: smut@chromium.org
Status: Fixed (was: Assigned)

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