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

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(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=d46ebd8712f3... >>>> 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(a)abes.fr >>>>>> >>>>>> _______________________________________________ >>>>>> Users mailing list >>>>>> Users(a)ovirt.org >>>>>> http://lists.ovirt.org/mailman/listinfo/users >>>>>> >>>>> _______________________________________________ >>>>> Users mailing list >>>>> 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 >>> 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 >