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OpenShift Masters - Debug & Collect Logs

Requirements

OpenShift version 3.10 or 3.11.

Increase the log

ansible-playbook -i inventory playbooks/master-log/config.yaml -t loglevel -e debug_loglevel=6

Do your test case

Wait the api and controller to be up and running again, before proceed.

Collect the logs

ansible-playbook -i inventory playbooks/master-log/config.yaml -t collect,fetch

Logs are saved under /tmp/master-logs/ of your ansible host, for each master <hostname>.tar.gz. It contains OpenShift Master API, Controllers and ETCD logs.

Unarchive the logs

ansible-playbook -i inventory playbooks/master-log/config.yaml -t unarchive

ls -l /tmp/master-logs/
drwxr-xr-x. 2 root    root         60 Apr 10 13:16 ip-10-152-32-111
-rw-rw-r--. 1 root    root    5801123 Apr 10 13:16 ip-10-152-32-111.tar.gz
drwxr-xr-x. 2 root    root         60 Apr 10 13:16 ip-10-152-12-22
-rw-rw-r--. 1 root    root    1604685 Apr 10 13:16 ip-10-152-12-22.tar.gz
drwxr-xr-x. 2 root    root         60 Apr 10 13:16 ip-10-152-44-66
-rw-rw-r--. 1 root    root     996041 Apr 10 13:16 ip-10-152-44-66.tar.gz

Restore log level

ansible-playbook -i inventory playbooks/master-log/config.yaml -t loglevel -e debug_loglevel=2