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project: ignore more curl failure modes

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Current clone bundle fetches from Google storage results HTTP/404
and curl exiting 56.  This is basically WAI, so stop emitting
verbose error output whenever that happens.  Also add a few more
curl exit statuses based on chromite history, and document them.

Change-Id: I3109f8a8a19109ba9bbd62780b40bbcd4fce9b76
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/432197
Commit-Queue: Mike Frysinger <vapier@google.com>
Reviewed-by: Gavin Mak <gavinmak@google.com>
Tested-by: Mike Frysinger <vapier@google.com>
This commit is contained in:
Mike Frysinger 2024-07-02 14:52:22 -04:00 committed by LUCI
parent 9bf8236c24
commit 0444ddf78e
1 changed files with 13 additions and 4 deletions
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15
project.py
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@ -2806,6 +2806,8 @@ class Project:
def _FetchBundle(self, srcUrl, tmpPath, dstPath, quiet, verbose):
platform_utils.remove(dstPath, missing_ok=True)
# We do not use curl's --retry option since it generally doesn't
# actually retry anything; code 18 for example, it will not retry on.
cmd = ["curl", "--fail", "--output", tmpPath, "--netrc", "--location"]
if quiet:
cmd += ["--silent", "--show-error"]
@ -2842,11 +2844,18 @@ class Project:
(output, _) = proc.communicate()
curlret = proc.returncode
if curlret == 22:
if curlret in (22, 35, 56, 92):
# We use --fail so curl exits with unique status.
# From curl man page:
# 22: HTTP page not retrieved. The requested url was not found
# or returned another error with the HTTP error code being 400
# or above. This return code only appears if -f, --fail is used.
# or returned another error with the HTTP error code being
# 400 or above.
# 35: SSL connect error. The SSL handshaking failed. This can
# be thrown by Google storage sometimes.
# 56: Failure in receiving network data. This shows up with
# HTTP/404 on Google storage.
# 92: Stream error in HTTP/2 framing layer. Basically the same
# as 22 -- Google storage sometimes throws 500's.
if verbose:
print(
"%s: Unable to retrieve clone.bundle; ignoring."