kolla-ansible/tests/check-logs.sh
Michal Nasiadka ba54f8cdda CI: Fail on fluentd log parsing errors
Change-Id: Ie3963f5ed20f7fb61ef2e03f0cf12a4ea1c87c9c
2023-11-29 17:42:44 +00:00

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#!/bin/bash
# Check for CRITICAL, ERROR or WARNING messages in log files.
set -o errexit
set -o pipefail
# Enable unbuffered output for Ansible in Jenkins.
export PYTHONUNBUFFERED=1
declare -a fluentchecks=("got incomplete line before first line" "pattern not matched")
function check_openstack_log_file_for_level {
# $1: file
# $2: log level
# Filter out false positives from logged config options.
sudo egrep " $2 " $1 | egrep -v "(logging_exception_prefix|rate_limit_except_level)"
}
function check_fluentd_log_file_for_level {
# $1: file
# $2: log level
sudo egrep "\[$2\]:" $1
}
function check_fluentd_log_file_for_content {
# $1: file
# $2: content
sudo egrep " $2 " $1
}
function check_docker_log_file_for_sigkill {
sudo journalctl --no-pager -u ${CONTAINER_ENGINE}.service | grep "signal 9"
}
function filter_out_expected_critical {
# $1: file
# Filter out expected critical log messages that we do not want to fail the
# job.
case $1 in
*/neutron-server.log)
# Sometimes we see this during shutdown (upgrade).
# See: https://bugs.launchpad.net/neutron/+bug/1863579
grep -v "Unhandled error: oslo_db.exception.DBConnectionError" |
grep -v "WSREP has not yet prepared node for application use" |
grep -v "Failed to fetch token data from identity server"
;;
*)
# Sometimes we see this during upgrades of Keystone.
# Usually in Placement but also in Neutron and Nova.
# Especially in AIO.
grep -v "Failed to fetch token data from identity server"
;;
esac
}
any_critical=0
for level in CRITICAL ERROR WARNING; do
all_file=/tmp/logs/kolla/all-${level}.log
# remove the file to avoid collecting duplicates (upgrade, post)
rm -f $all_file
any_matched=0
echo "Checking for $level log messages"
for f in $(sudo find /var/log/kolla/ -type f); do
if check_openstack_log_file_for_level $f $level >/dev/null; then
any_matched=1
if [[ $level = CRITICAL ]]; then
if check_openstack_log_file_for_level $f $level | filter_out_expected_critical $f >/dev/null; then
any_critical=1
fi
fi
echo $f >> $all_file
check_openstack_log_file_for_level $f $level >> $all_file
echo >> $all_file
fi
done
if [[ $any_matched -eq 1 ]]; then
echo "Found some $level log messages. Matches in $all_file"
fi
done
# check fluentd errors (we consider them critical)
fluentd_log_file=/var/log/kolla/fluentd/fluentd.log
fluentd_error_summary_file=/tmp/logs/kolla/fluentd-error.log
if check_fluentd_log_file_for_level $fluentd_log_file error >/dev/null; then
any_critical=1
echo "(critical) Found some error log messages in fluentd logs. Matches in $fluentd_error_summary_file"
check_fluentd_log_file_for_level $fluentd_log_file error > $fluentd_error_summary_file
echo >> $fluentd_error_summary_file
fi
for string in "${fluentchecks[@]}"; do
fluentd_file=/tmp/logs/kolla/fluentd-errors.log
if check_fluentd_log_file_for_content $fluentd_log_file "$string" >/dev/null; then
any_critical=1
echo "$string" >> $fluentd_file
check_fluentd_log_file_for_content $fluentd_log_file "$string" >> $fluentd_file
echo >> $fluentd_file
fi
done
if check_docker_log_file_for_sigkill >/dev/null; then
any_critical=1
echo "(critical) Found containers killed using signal 9 (SIGKILL) in docker logs."
fi
if [[ $any_critical -eq 1 ]]; then
echo "Found critical log messages - failing job."
exit 1
fi