Re: [ovirt-users] yaml cloud-init custom scripts

Le 02/06/2014 13:25, Shahar Havivi a écrit : >On 02.06.14 13:07, Nathanaël Blanchet wrote: >>Le 01/06/2014 20:00, Shahar Havivi a écrit : >>>On 01.06.14 11:20, Omer Frenkel wrote: >>>>----- Original Message ----- >>>>>From: "Nathanaël Blanchet" <blanchet(a)abes.fr&gt; >>>>>To: "users" <users(a)ovirt.org&gt; >>>>>Sent: Friday, May 30, 2014 6:49:34 PM >>>>>Subject: [ovirt-users] yaml cloud-init custom scripts >>>>> >>>>>Hello, >>>>> >>>>>I've been unsuccessfully trying to make work a custom yalm script with the >>>>>cloud-init option in 3.4.1. >>>>>All other native UI parameters are correctly configured (hostname...) >>>>> >>>>>My goal is to change the keyboard layout: >>>>>write_files: >>>>>- content: | >>>>># My new /etc/sysconfig/keyboard file >>>>>KEYTABLE="fr" >>>>>MODEL="pc105" >>>>>LAYOUT="fr" >>>>>KEYBOARDTYPE="pc" >>>>>path: /etc/sysconfig/keyboard >>>>>permissions: '0644' >>>>> >>>>>I can't see what is wrong and there is nothing into cloud-init logs on the >>>>>guest (/var/log/clou-init-output.log). >>>>isn't it in /var/log/cloud-init.log ? >>>> >>>>>Is it possible to see the whole yalm file generated by the engine somewhere? >>>>> >>>>the cloud init data is attached to the vm as a cd-rom >>>>you can mount it locally and look inside the drive name is config-2 (look for it with blkid) >>>>for me on fedora 19 it always appear in /dev/sr1 >>>First look at the mounted content as Omer suggested and take a look if the YAML >>>output as you expected. >>>You can also try to set the data that is written in the "custom script" >>>commit: >>>http://gerrit.ovirt.org/gitweb?p=ovirt-engine.git;a=commit;h=d46ebd8712f369b924e199b82197e59568a686ff >>>see if adding this content is working for your setup: >>>write_files: >>>- content: | >>> # some file content >>> path: /root/myfile >>> >>>This sample was tested and worked under RHEL 6 and Fedora 19. >>>Please note that you need to add a tab/4 spaces as shown above. >>> >>>What OS and what version of cloud-init you are using? >>that's it, I finally managed to make it work after many an many tests, that >>wasn't so trivial. >>First I followed your advices and I successfully tested the sample script >>you suggested without modify it. Then each time I attempted to add a line to >>the same file, it wasn't executed anymore. I read the file with cat -T >>/media/openstack/latest/user_data and then noticed that the lines weren't >>uniformly formated : some were with tab and other ones with 8 spaces. >>Following "Please note that you need to add a tab/4 spaces as shown above" I >>added tab on every lines related to content of the file, but it didn't work. >>I began again with only 8 spaces and then it ran. >>Seems YAML to be very format sensitive and it is not clear enough when >>begining this kind of job, so that I hope my leak will help many other ones. >>I think the custom script field in the UI is not helpful because it is >>impossible to insert a line, when doing a CR it leads to the end of file, >>and it is a behaviour which easily leads to format error. It could be a good >>idea to refuse validating OK if any tab is detected there. >>Can I have your feeling about this? >The problem was the CR at the end of the "custom script" field, or any CR? any CR in the field leads to the end on the script

>>>>>-- >>>>>Nathanaël Blanchet >>>>> >>>>>Supervision réseau >>>>>Pôle exploitation et maintenance >>>>>Département des systèmes d'information >>>>>227 avenue Professeur-Jean-Louis-Viala >>>>>34193 MONTPELLIER CEDEX 5 >>>>>Tél. 33 (0)4 67 54 84 55 >>>>>Fax 33 (0)4 67 54 84 14 blanchet(a)abes.fr >>>>> >>>>>_______________________________________________ >>>>>Users mailing list &gt;&gt;&gt;&gt;&gt;Users(a)ovirt.org >>>>>http://lists.ovirt.org/mailman/listinfo/users >>>>> >>>>_______________________________________________ >>>>Users mailing list &gt;&gt;&gt;&gt;Users(a)ovirt.org >>>>http://lists.ovirt.org/mailman/listinfo/users >>-- >>Nathanaël Blanchet >> >>Supervision réseau >>Pôle exploitation et maintenance >>Département des systèmes d'information >>227 avenue Professeur-Jean-Louis-Viala >>34193 MONTPELLIER CEDEX 5 >>Tél. 33 (0)4 67 54 84 55 >>Fax 33 (0)4 67 54 84 14 &gt;&gt;blanchet(a)abes.fr >> -- Nathanaël Blanchet Supervision réseau Pôle exploitation et maintenance Département des systèmes d'information 227 avenue Professeur-Jean-Louis-Viala 34193 MONTPELLIER CEDEX 5 Tél. 33 (0)4 67 54 84 55 Fax 33 (0)4 67 54 84 14 blanchet(a)abes.fr