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# Copyright (c) 2024 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -exuo pipefail
set +x
# This tool saves time for RCA after release.
# First argument: Jenkins job to analyze.
# Second argument: Pattern to looks for (e.g. identifying release instead of RC2).
# Example usage:
# bash rca_console_logs.sh 'https://s3-logs.fd.io/vex-yul-rot-jenkins-1/csit-vpp-perf-report-iterative-2410-2n-spr' '24.10-release'
# For each run, this script prints hints on whether skip or look deeper.
# Also testbeds are printed, to see possible correlations with failures.
jobname="${1}"
build_pattern="${2}"
skip_before="${3-1}"
# TODO: Detect last run and go backward?
for i in {1..999}; do
if (( ${i} < ${skip_before} )); then
# Silently skip.
continue
fi
if ! curl -sf "${jobname}/${i}/console.log.gz" | zcat > "console.log"; then
echo "${i}: failed to download. No more runs?"
exit 0
fi
if ! fgrep -q "${build_pattern}" "console.log"; then
echo "${i}: not matching the pattern, skip."
continue
fi
if ! grep '.* tests, .* passed, .* failed' "console.log" > "tests.txt"; then
echo "${i}: no tests run? suspicious."
continue
fi
final=$(tail -1 "tests.txt" | tee "final.txt")
if fgrep -q ', 0 failed' "final.txt"; then
echo -ne "${i}: skip ${final}\t\t"
else
echo
# fgrep '| FAIL' "console.log" | fgrep -v 'Tests'
awk '
/\| FAIL \|/ {
if ($0 !~ /Tests/) {
print
getline
while ($0 !~ /^[-=]+$/) {
last_line = $0
getline
}
print last_line
}
}
' "console.log"
echo -ne "${i}: investigate ${final}\t\t"
fi
# TODO: Simplify this topology detection.
line=$(grep 'TOPOLOGY_PATH:' "console.log")
topology_path=`echo "$line" | sed -n 's/.*TOPOLOGY_PATH:\([^ ]*\).*/\1/p'`
topology_name=$(basename "$topology_path" | sed 's/\.[^.]*$//')
echo "$topology_name"
done
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