[ovirt-users] yaml cloud-init custom scripts

[Shahar Havivi]

On 02.06.14 14:28, Nathanaël Blanchet wrote:
> 
> 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 at abes.fr>
> >>>>>To: "users" <users at ovirt.org>
> >>>>>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
So only when you copy/paste the custom script content it works for you?
> >>>>>--
> >>>>>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 at abes.fr
> >>>>>
> >>>>>_______________________________________________
> >>>>>Users mailing list
> >>>>>Users at ovirt.org
> >>>>>http://lists.ovirt.org/mailman/listinfo/users
> >>>>>
> >>>>_______________________________________________
> >>>>Users mailing list
> >>>>Users at 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
> >>blanchet at 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 at abes.fr
>