[ovirt-users] Passing custom script to cloud init using api

[Shanil S]

Hi Juan,

Okay.. Thanks for your update. Also i found some sample cloud init scripts
from here https://github.com/number5/cloud-init/tree/master/doc/examples
and i tried the following scripts

- type: foo/wark
filename: bar
content: |
This is my payload
hello
- this is also payload
- |
multi line payload
here
-
type: text/upstart-job
filename: my-upstart.conf
content: |
Test file contents

And run the start vm using the above script using cloud init and api, Could
you please tell me where i can find the result of the above script ?
I think the above script will create a file like my-upstart.conf

-- 
Regards
Shanil


On Thu, Sep 4, 2014 at 1:56 PM, Juan Hernandez <jhernand at redhat.com> wrote:

> On 09/04/2014 06:29 AM, Shanil S wrote:
> > Hi Juan,
> >
> > Is there anyways to specify the custom script from a file in the xml ?
> > ie, i have a script in a file called script.sh and i would like to
> > include this script in the xml with the api call. Is there any methods
> > for this ?
> >
>
> You can deploy files using cloud-init, and the run them using the custom
> script. Something like this:
>
>   <action>
>     ...
>     <initialization>
>       <cloud-init>
>         <files>
>           <file name="/root/myscript.sh"/>
>             <content><![CDATA[#!/bin/sh the content of your
> script]]></content>
>           </file>
>         </files>
>       </cloud-init>
>       <custom_script><![CDATA[runcmd:
>  - sh /root/myscript.sh
> ]]></custom_script>
>     </initialization>
>   </action>
>
> But I'm not a cloud-init expert, and I didn't test this, so I don't
> really know if the custom_script will run before or after the files are
> deployed. It makes more sense to run the scripts after deploying the
> files, but you will have to test it yourself.
>
> The content of the files and the scripts has to be embedded in the XML
> document that you send to the RESTAPI server, there is no way to send an
> XML document and a separate file. Building this kind of XML document
> shouldn't be complicated if you use the CDATA syntax like in the example
> above.
>
> Another thing that you may consider, if you have to run a complicated
> script or set of scripts, is to have them pre-installed in the template
> that you use to create the VM, then you just need to run them.
>
> > --
> > Regards
> > Shanil
> >
> >
> > On Tue, Sep 2, 2014 at 3:02 PM, Shanil S <xielesshanil at gmail.com
> > <mailto:xielesshanil at gmail.com>> wrote:
> >
> >     Hi Juan,
> >
> >     Thanks for the solution.
> >
> >     --
> >     Regards
> >     Shanil
> >
> >
> >     On Tue, Sep 2, 2014 at 2:59 PM, Juan Hernandez <jhernand at redhat.com
> >     <mailto:jhernand at redhat.com>> wrote:
> >
> >         On 09/02/2014 05:46 AM, Shanil S wrote:
> >         > Hi All,
> >         >
> >         > From the ovirt admin panel, there is an option to give the
> >         custom script
> >         > in the cloud init ( Run Once-> cloud init- > Custom script ).
> >         Is there
> >         > any ways to pass the custom script to cloud init using the
> >         rest api ?
> >         >
> >
> >         The custom script should go inside the "custom_script" element
> >         inside
> >         the "initialization" element:
> >
> >           <action>
> >             ...
> >             <initialization>
> >               <cloud_init>...</cloud_init>
> >               <custom_script>your custom script</custom_script>
> >             </initialization>
> >           </action>
> >
> >         --
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> >         planta
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> >         Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red
> >         Hat S.L.
> >
> >
> >
> >
> >
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> >
>
>
> --
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