Description of problem: Running mysql-open-files-limit validation fails because of failing to find a container called /bin/bash <trim> b'SubjectAltNameWarning' b' [WARNING]: Could not match supplied host pattern, ignoring: Database' b"Task 'mysql-open-files-limit : Get the open_files_limit value' failed:" b'Host: controller-1' b'Message: Command `"podman" exec -u root $("podman" ps -q --filter "name=mysql|galera-bundle" | head -1) /bin/bash -c \'ulimit -n\'` exited with code: 125: non-zero return code' b'stderr:' b' unable to exec into /bin/bash: no container with name or ID /bin/bash found: no such container' b"Task 'mysql-open-files-limit : Get the open_files_limit value' failed:" b'Host: controller-0' b'Message: Command `"podman" exec -u root $("podman" ps -q --filter "name=mysql|galera-bundle" | head -1) /bin/bash -c \'ulimit -n\'` exited with code: 125: non-zero return code' b'stderr:' b' unable to exec into /bin/bash: no container with name or ID /bin/bash found: no such container' b"Task 'mysql-open-files-limit : Get the open_files_limit value' failed:" b'Host: controller-2' b'Message: Command `"podman" exec -u root $("podman" ps -q --filter "name=mysql|galera-bundle" | head -1) /bin/bash -c \'ulimit -n\'` exited with code: 125: non-zero return code' b'stderr:' b' unable to exec into /bin/bash: no container with name or ID /bin/bash found: no such container' b'Failure! The validation failed for all hosts:' b'* controller-0' b'* controller-1' b'* controller-2' Version-Release number of selected component (if applicable): openstack-tripleo-validations-10.5.1-0.20190724100449.23ebc8a.el8ost.noarch How reproducible: 100% Steps to Reproduce: 1. run the mysql-open-files-limit validation
This issue will be resolved once podman will support ps filter regular expressions. https://github.com/containers/libpod/pull/3599 https://bugzilla.redhat.com/show_bug.cgi?id=1731107
Works upstream with podman 1.5.1 and should work downstream as well. (undercloud) [stack@undercloud ~]$ podman -v podman version 1.5.1 (undercloud) [stack@undercloud ~]$ rpm -qa | grep podman podman-manpages-1.5.1-3.el7.noarch podman-1.5.1-3.el7.x86_64 (undercloud) [stack@undercloud ~]$ run-validations.sh --validation-name mysql-open-files-limit --ansible-default-callback --debug ansible-playbook 2.8.6 config file = /etc/ansible/ansible.cfg configured module search path = [u'/usr/share/openstack-tripleo-validations/library'] ansible python module location = /usr/lib/python2.7/site-packages/ansible executable location = /usr/bin/ansible-playbook python version = 2.7.5 (default, Aug 7 2019, 00:51:29) [GCC 4.8.5 20150623 (Red Hat 4.8.5-39)] Using /etc/ansible/ansible.cfg as config file setting up inventory plugins host_list declined parsing /usr/bin/tripleo-ansible-inventory as it did not pass it's verify_file() method Parsed /usr/bin/tripleo-ansible-inventory inventory source with script plugin Loading callback plugin default of type stdout, v2.0 from /usr/lib/python2.7/site-packages/ansible/plugins/callback/default.pyc Loading callback plugin fail_if_no_hosts of type old, v2.0 from /usr/share/openstack-tripleo-validations/callback_plugins/fail_if_no_hosts.pyc PLAYBOOK: mysql-open-files-limit.yaml ******************************************************************************************************************** Positional arguments: /usr/share/openstack-tripleo-validations/playbooks/mysql-open-files-limit.yaml ... ... ... ... ok: [overcloud-controller-0] => { "changed": false, "cmd": "\"podman\" exec -u root $(\"podman\" ps -q --filter \"name=mysql|galera-bundle\" | head -1) /bin/bash -c 'ulimit -n'", "delta": "0:00:02.013901", "end": "2020-01-15 15:06:20.195362", "invocation": { "module_args": { "_raw_params": "\"podman\" exec -u root $(\"podman\" ps -q --filter \"name=mysql|galera-bundle\" | head -1) /bin/bash -c 'ulimit -n'", "_uses_shell": true, "argv": null, "chdir": null, "creates": null, "executable": null, "removes": null, "stdin": null, "stdin_add_newline": true, "strip_empty_ends": true, "warn": true } }, "rc": 0, "start": "2020-01-15 15:06:18.181461", "stderr": "", "stderr_lines": [], "stdout": "1048576", "stdout_lines": [ "1048576" ] } TASK [mysql-open-files-limit : Test the open-files-limit value] ****************************************************************************************** task path: /usr/share/openstack-tripleo-validations/roles/mysql-open-files-limit/tasks/main.yml:15 ok: [overcloud-controller-0] => { "changed": false, "failed_when_result": false, "msg": "The open_files_limit option for mysql must be higher than 16384. Right now it's 1048576.\n" } META: ran handlers META: ran handlers PLAY RECAP *********************************************************************************************************************************************** overcloud-controller-0 : ok=4 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0