Re: [Xen-API] Is the host a Xen Master ??

[SÃbastien RICCIO <sr@xxxxxxxxxxxxxxx>]

Just my two cents but to determinate if a host is the pool master, i 
just look for the word "master" in /etc/xensource/pool.conf
like :

# Check if we're running on the pool master
if [ `cat /etc/xensource/pool.conf` != "master" ]; then
  exit 0
fi

SÃbastien


------ Original Message ------
From: "Denis Cardon" <denis.cardon@xxxxxxxxxxxxxxxxxxxxxx>
To: "Shafi Mohammed S" <shafi@xxxxxxxxx>
Cc: "Thileepan S" <thileepan@xxxxxxxxx>; xen-api@xxxxxxxxxxxxx
Sent: 20.01.2014 10:35:27
Subject: Re: [Xen-API] Is the host a Xen Master ??

> Hi Shafi,
>
> >        Is there any API call or any other method to detect whether the
> > host in question is a Pool master or a member of a Xen POOL ?
> This question was covered a few days ago... Using python :
>
> session = XenAPI.Session('https://'+self.xcphost)
>         try:
>             session.login_with_password(user_xen,password_xen)
>         except XenAPI.Failure, error:
>             msg,ip = error.details
>
>             if msg == 'HOST_IS_SLAVE':
>                 xcphost = ip
>                 session = XenAPI.Session('https://'+xcphost)
>                 session.login_with_password(user_xen,password_xen)
>
> (sample code from 
> https://github.com/tranquilit/TISbackup/blob/master/libtisbackup/backup_xva.py)
> >      And is there a call to get the host info using the snapshot 
> > (UUID)
> > of its VMS ?
> by host info, do you mean the param-list of the host where the vm is 
> running?
> You can get the VM uuid from snapshot uuid using
> xe vm-list uuid=$(xe snapshot-param-get param-name=snapshot-of 
> uuid=35e68b3d-cadd-afc6-0f57-833be773b9ba )
> Then you can query the resident-on value (at least for running vm)
>
> xe vm-param-get param-name=resident-on 
> uuid=71e1795e-a1fa-16ea-4f22-77048d9c1e02
> It shouldn't be too hard to translate this in api calls. And like David 
> told earlier, xapi API doc is your best friend.
> Cheers,
>
> Denis
>
> > Thanks .
> >
> >
> > Regards,
> > Shafi,
> > Vembu Technologies.
> >
> >
> >
> > This body part will be downloaded on demand.
>
> -- Denis Cardon
> Tranquil IT Systems
> Les Espaces Jules Verne, bÃtiment A
> 12 avenue Jules Verne
> 44230 Saint SÃbastien sur Loire
> tel : +33 (0) 2.40.97.57.55
> http://www.tranquil-it-systems.fr
>
>
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