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A quick glimpse on https://openqa.opensuse.org/tests/2256377#next_previous shows 7/100 test failures in "build", all on 2022-03-21, no failures in "build" since then. In all cases it were different specific errors but all within zypper calls. Within os-autoinst-distri-opensuse zypper is already mostly called with retrying. Likely we should do the equivalent here. Sadly there is no movement on https://github.com/openSUSE/zypper/issues/420 to do that within zypper itself. Created https://github.com/os-autoinst/os-autoinst-distri-openQA/pull/81 for a trivial timeout bump. This accounts for 3/10 job failures. The other 7 are all failing in some zypper internal step so we need actual retry with potential parsing of the error message to only retry on them, not all in general.

I am thinking of a more generic retry wrapper. For this I am trying to continue with https://github.com/okurz/scripts/blob/master/retry which I slightly optimized in https://github.com/okurz/scripts/commit/aacb70e8281e2783877e18286b2d4cafe5f60ec5 and added tests with https://github.com/okurz/scripts/commit/2a4d102305eec3ec93b831a88d421b35fe14c276 and https://github.com/okurz/scripts/commit/8048a66b662dcf15c977fc63d5d2f54e3b45c34b and https://github.com/okurz/scripts/commit/0509f3f1e4084e68d7f5a5d3460b532ba83be0d3 before I go about extending it. I am thinking of extending the retry script to have a passlist and blocklist of regex matches on the command output so that it would, if specified, only retry if a passlist entry matches the command output or retry unless a blocklist entry matches the command output. https://unix.stackexchange.com/a/499091 looks promising