[ovirt-users] Re: ovirt 4.4.1.1 hci and problems with ansible 2.9.10 and/or missing python2

On Fri, Jul 17, 2020 at 11:25 AM Gianluca Cecchi < gianluca.cecchi(a)gmail.com&gt; wrote: > On Fri, Jul 17, 2020 at 11:04 AM Gianluca Cecchi < > gianluca.cecchi(a)gmail.com&gt; wrote: > >> On Fri, Jul 17, 2020 at 10:58 AM Gianluca Cecchi < >> gianluca.cecchi(a)gmail.com&gt; wrote: >> >>> On Fri, Jul 17, 2020 at 10:54 AM Martin Perina <mperina(a)redhat.com&gt; >>> wrote: >>> >>>> Hi Gianluca, >>>> >>>> that's very strange error, because I'm 100% sure we are using yum >>>> module with Python3 in several other roles including adding host to engine >>>> or upgrading host and so far I haven't heard any issue with ansible 2.9.10 >>>> and yum module. >>>> >>>> Gobinda, wouldn't enforcing python interpreter version help there? >>>> >>>> >>>> https://github.com/oVirt/ovirt-engine/blob/master/packaging/ansible-runne... >>>> >>>> Regards, >>>> Martin >>>> >>>> >>> I have a very clean install from 4.1.1.1 node ng iso anf I'm the third >>> to notice that with this release. >>> The engine deployment is going on. Not finished yet, but to have ti go >>> I had to modify, with the same strategy ("use: dnf" with package module and >>> use "package" instead of "yum" and also specifying "use: dnf") in these >>> files under /usr/share/ansible/roles: >>> >>> ovirt.engine-setup/tasks/engine_setup.yml >>> ovirt.engine-setup/tasks/install_packages.yml >>> ovirt.hosted_engine_setup/tasks/install_packages.yml >>> >>> ovirt.hosted_engine_setup/tasks/create_target_vm/03_hosted_engine_final_tasks.yml >>> ovirt.hosted_engine_setup/tasks/install_appliance.yml >>> >>> Gianluca >>> >> >> The installation from the iso was with all default values. >> The only "non standard" thing, if we want it to call this way is that >> before running the wizard, on the host I pre-installed the appliance >> package, to shorten the deploy phase hereafter. >> And to do it I executed, because of habit: >> yum install ovirt-engine-appliance >> >> instead of "dnf install...", but I think this doesn't influence ansible >> autodetect when using "package" module or the error about python2 when >> using "yum" module... >> >> Gianluca >> > > The engine deployment failed in the phase where it tries to add the host > and waits for the host to be up and if I go into the logs in > > /var/log/ovirt-hosted-engine-setup/engine-logs-2020-07-17T08:30:48Z/ovirt-engine/host-deploy/ > > the file > ovirt-host-deploy-ansible-20200717104103-novirt2.example.net-3a710f0c.log > contains > > 020-07-17 10:41:17 CEST - fatal: [novirt2.example.net]: FAILED! => > {"changed": false, "module_stderr": "/bin/sh: /usr/bin > /python2: No such file or directory\n", "module_stdout": "", "msg": "The > module failed to execute correctly, you probably > need to set the interpreter.\nSee stdout/stderr for the exact error", > "rc": 127} > 2020-07-17 10:41:17 CEST - { > "status" : "OK", > "msg" : "", > "data" : { > "uuid" : "00f4c6a8-8423-4a2a-bfd5-f38c34f56ecf", > "counter" : 53, > "stdout" : "fatal: [novirt2.example.net]: FAILED! => {\"changed\": > false, \"module_stderr\": \"/bin/sh: /usr/bin/pytho > n2: No such file or directory\\n\", \"module_stdout\": \"\", \"msg\": > \"The module failed to execute correctly, you probab > ly need to set the interpreter.\\nSee stdout/stderr for the exact > error\", \"rc\": 127}", > > So I think I have to find and solve why it searches python2.... > I compared on an existing 4.4.0 environment I have (hci single node > installed from 4.4.0 node ng iso) and no python2 apparently there, only > ansible that is at ansible-2.9.9-1.el8.noarch instead of > ansible-2.9.10-1.el8.noarch of 4.4.1.1 > > Possibly any wrong default about python? > > Alternatives seems the same between 4.4.0 and 4.4.1.1 > > 4.4.0 > [g.cecchi@ovirt01 ~]$ alternatives --list > cifs-idmap-plugin auto /usr/lib64/cifs-utils/cifs_idmap_sss.so > ifup auto /etc/sysconfig/network-scripts/ifup > ld auto /usr/bin/ld.bfd > libnssckbi.so.x86_64 auto /usr/lib64/pkcs11/p11-kit-trust.so > libwbclient.so.0.15-64 auto > /usr/lib64/samba/wbclient/libwbclient.so.0.15 > mkisofs auto /usr/bin/genisoimage > mta auto /usr/sbin/sendmail.postfix > nmap auto /usr/bin/ncat > python auto /usr/libexec/no-python > python3 auto /usr/bin/python3.6 > [g.cecchi@ovirt01 ~]$ > > 4.4.1.1 > [root@novirt2 host-deploy]# alternatives --list > cifs-idmap-plugin auto /usr/lib64/cifs-utils/cifs_idmap_sss.so > ifup auto /etc/sysconfig/network-scripts/ifup > ld auto /usr/bin/ld.bfd > libnssckbi.so.x86_64 auto /usr/lib64/pkcs11/p11-kit-trust.so > libwbclient.so.0.15-64 auto > /usr/lib64/samba/wbclient/libwbclient.so.0.15 > mkisofs auto /usr/bin/genisoimage > mta auto /usr/sbin/sendmail.postfix > nmap auto /usr/bin/ncat > python auto /usr/libexec/no-python > python3 auto /usr/bin/python3.6 > [root@novirt2 host-deploy]# > > Not sure where to search if not somehow a bug of ansible 2.9.10 > Can I try to clean install a 4.4.1.1 host and downgrade ansible before > deploy, eg running > > rpm -Uvh --oldpackage ansible-2.9.9-1.el8.noarch > ? > > Where to get the 2.9.9 rpm to apply in case, just to exclude it? > > Gianluca > > Inside ovirt-host-deploy-ansible-20200717104103-novirt2.example.net-3a710f0c.log at the beginning the gathering of facts seems all ok and python3, but then I see this: 2020-07-17 10:41:14 CEST - TASK [ovirt-host-deploy-facts : Reset configuration of advanced virtualization module] *** 2020-07-17 10:41:14 CEST - TASK [ovirt-host-deploy-facts : Enable advanced virtualization module for relevant OS version] *** 2020-07-17 10:41:17 CEST - TASK [ovirt-host-deploy-facts : Install Python3 for CentOS/RHEL8 hosts] ******** 2020-07-17 10:41:17 CEST - 2020-07-17 10:41:17 CEST - skipping: [novirt2.example.net] 2020-07-17 10:41:17 CEST - TASK [ovirt-host-deploy-facts : Set facts] ************************************* 2020-07-17 10:41:17 CEST - 2020-07-17 10:41:17 CEST - ok: [novirt2.example.net] 2020-07-17 10:41:17 CEST - { "status" : "OK", "msg" : "", "data" : { "uuid" : "c6ab4add-cf41-41b0-b7c8-2a3d156542fa", "counter" : 39, "stdout" : "ok: [novirt2.example.net]", "start_line" : 37, "end_line" : 38, "runner_ident" : "402b6968-c809-11ea-9d36-00163e0765c1", "event" : "runner_on_ok", "pid" : 28793, "created" : "2020-07-17T08:41:14.380339", "parent_uuid" : "00163e07-65c1-0ebc-a725-000000000021", "event_data" : { "playbook" : "ovirt-host-deploy.yml", "playbook_uuid" : "eb09419a-dc4a-4ea7-9d94-3f666d9d17e0", "play" : "all", "play_uuid" : "00163e07-65c1-0ebc-a725-000000000006", "play_pattern" : "all", "task" : "Set facts", "task_uuid" : "00163e07-65c1-0ebc-a725-000000000021", "task_action" : "set_fact", "task_args" : "", "task_path" : "/usr/share/ovirt-engine/ansible-runner-service-project/project/roles/ovirt-host-deploy-facts/tasks/main.yml:26", "role" : "ovirt-host-deploy-facts", "host" : "novirt2.example.net", "remote_addr" : "novirt2.example.net", "res" : { "changed" : false, "ansible_facts" : { "ansible_python_interpreter" : "/usr/bin/python2" }, "_ansible_no_log" : false }, "start" : "2020-07-17T08:41:14.242287", "end" : "2020-07-17T08:41:14.379769", "duration" : 0.137482, "event_loop" : null, "uuid" : "c6ab4add-cf41-41b0-b7c8-2a3d156542fa" } } } and then the failure because the ansible_python_intepreter has been set to pythin2 Gianluca