[Users] [rhevm-api] Assign IP address to VM using Java SDK

Shahar Havivi shaharh at redhat.com
Thu Feb 13 09:59:27 EST 2014


On 13.02.14 20:17, Tejesh M wrote:
> 1. The Version is RHEV-M 3.3 & Cloud-init is
> cloud-init-0.6.3-0.12.bzr532.el6.noarch
> 
> 2. In Webadmin, i don't find any option to set Cloud-init data's. I checked
> under New VM->Initial Run.. Am i looking at the right place?
> How to enable cloud-init support in engine?
You will not found it since you are working in 3.3 and this feature presented
in 3.4.
In 3.3 you can try to set the Cloud-Init via the Run-Once button.

> 
> I have installed cloud-init package in RHEV-M & also in Template.
> 
> Please suggest.
> 
> 
> On Thu, Feb 13, 2014 at 7:31 PM, Juan Hernandez <jhernand at redhat.com> wrote:
> 
> > On 02/13/2014 02:39 PM, Tejesh M wrote:
> > > Hi All,
> > >
> > > Thanks alot.
> > >
> > > I have created one VM with minimal installation & installed cloud-init
> > > package. And, converted that VM into Template. Then executed the code
> > > given in
> > > http://lists.ovirt.org/pipermail/users/2014-February/021302.html , but
> > > no luck, the code is not setting root password.
> > >
> >
> > What version of the engine are you running? I may not have the required
> > cloud-init support.
> >
> > Try to run the application in debug mode:
> >
> >   Api api = new Api(
> >     "https://whatever/api",
> >     "user at domain",
> >     "password",
> >     null,
> >     null,
> >     null,
> >     null,
> >     true,
> >     null,
> >     true  // <- This is to enable debug mode
> >   );
> >
> > It will send to the log the actual XML documents sent to the server. We
> > can use it to see if the request is generated correctly.
> >
> > It may also happen that cloud-init support isn't working correctly. To
> > verify this try to use the cloud-init support manually from webadmin.
> > Does it work from there?
> >
> > > Also, there is no option to set *Hostname *for the VM.
> > >
> >
> > To set the host name you need to add something like this:
> >
> >   Host hostData = new Host();
> >   hostData.setAddress("the.host.name");
> >   cloudData.setHost(hostData);
> >
> > >
> > >
> > > _*Code:*_
> > >
> > >         /*********************Begin Customize VM*********************/
> > >         // Generate the random password, using whatever mechanism you
> > >           // prefer:
> > >           String password = "cJql3P9XLQG4drCYVG/6Q/";
> > >
> > >           // You need to know the name of the template, the cluster and
> > >           // the VM you are going to create:
> > >           String templateName = "rhel2_temp";
> > >           String clusterName = "testCluster";
> > >           String vmName = "myvm";
> > >
> > >           // Prepare the data to create the VM from the template:
> > >           org.ovirt.engine.sdk.entities.Template templateData = new
> > > Template();
> > >           templateData.setName(templateName);
> > >           org.ovirt.engine.sdk.entities.Cluster clusterData = new
> > Cluster();
> > >           clusterData.setName(clusterName);
> > >           org.ovirt.engine.sdk.entities.VM vmDataForCreate = new VM();
> > >           vmDataForCreate.setName(vmName);
> > >           vmDataForCreate.setCluster(clusterData);
> > >           vmDataForCreate.setTemplate(templateData);
> > >
> > >           // Send the request to create the VM to the server:
> > >           api.getVMs().add(vmDataForCreate);
> > >           String state;
> > >           // White till the VM is down (it will be locked for a while):
> > >           for (;;) {
> > >              state = api.getVMs().get(vmName).getStatus().getState();
> > >             if ("down".equals(state)) {
> > >               break;
> > >             }
> > >             Thread.sleep(1000);
> > >           }
> > >           System.out.println("System Status:"+state);
> > >           // Populate parameters for the action to start the VM with
> > > cloud-init:
> > >           org.ovirt.engine.sdk.entities.User userData = new User();
> > >           userData.setUserName("root");
> > >           userData.setPassword(password);
> > >           Users usersData = new Users();
> > >           usersData.getUsers().add(userData);
> > >           CloudInit cloudData = new CloudInit();
> > >           cloudData.setUsers(usersData);
> > >
> > >           Initialization initData = new Initialization();
> > >           initData.setCloudInit(cloudData);
> > >           VM vmDataForStart = new VM();
> > >           vmDataForStart.setInitialization(initData);
> > >           Action actionData = new Action();
> > >           actionData.setVm(vmDataForStart);
> > >
> > >           // Send the request to start the VM to the server:
> > >           api.getVMs().get(vmName).start(actionData);
> > >           System.out.println("After :
> > > "+api.getVMs().get(vmName).getStatus());
> > >           /*********************End Customize VM*********************/
> > >
> > >
> > >
> > > Thanks & Regards,
> > > Tejesh
> > >
> > >
> > >
> > > On Thu, Feb 13, 2014 at 2:26 PM, Juan Hernandez <jhernand at redhat.com
> > > <mailto:jhernand at redhat.com>> wrote:
> > >
> > >     On 02/13/2014 09:29 AM, Shahar Havivi wrote:
> > >     > On 13.02.14 00:59, Oved Ourfalli wrote:
> > >     >>
> > >     >>
> > >     >> ----- Original Message -----
> > >     >>> From: "Shahar Havivi" <shaharh at redhat.com
> > >     <mailto:shaharh at redhat.com>>
> > >     >>> To: users at ovirt.org <mailto:users at ovirt.org>
> > >     >>> Cc: "Juan Antonio Hernandez Fernandez" <jhernand at redhat.com
> > >     <mailto:jhernand at redhat.com>>, rhevm-api at lists.fedorahosted.org
> > >     <mailto:rhevm-api at lists.fedorahosted.org>, "Tejesh M"
> > >     >>> <tejeshmk at gmail.com <mailto:tejeshmk at gmail.com>>
> > >     >>> Sent: Wednesday, February 12, 2014 11:22:20 PM
> > >     >>> Subject: Re: [Users] [rhevm-api] Assign IP address to VM using
> > >     Java SDK
> > >     >>>
> > >     >>> On 12.02.14 22:55, Itamar Heim wrote:
> > >     >>>> On 02/12/2014 03:14 PM, Tejesh M wrote:
> > >     >>>>> Hi,
> > >     >>>>>
> > >     >>>>> Can anyone share sample code on how to assign IP address to
> > >     guest os &
> > >     >>>>> changing the root password while creating VM from Template
> > >     using Java SDK?
> > >     >>> Hi Tejesh,
> > >     >>> You should start here:
> > >     >>> http://www.ovirt.org/Api
> > >     >>> This link will explain the basics for fetching VM via the API
> > >     using HTTP via
> > >     >>> curl command line.
> > >     >>>
> > >     >>> Every VM have a collection of networks and manipulating them can
> > >     be seeing
> > >     >>> here with the REST API examples:
> > >     >>> http://www.ovirt.org/Features/Design/Network/SetupNetworks#REST
> > >     >>> the section for you is "Attaching a network to a NIC" under the
> > REST
> > >     >>> category.
> > >     >>>
> > >     >>> Shahar Havivi.
> > >     >>>
> > >     >>
> > >     >> Actually it looks like Tejesh is referring to the Guests and not
> > >     the hosts, so you can use cloud-init in order to do that.
> > >     >> See more in "http://www.ovirt.org/Features/Cloud-Init_Integration
> > ".
> > >     >> If the VM's operating system is defined as some kind of Linux,
> > >     then you'll be able to set some stuff using cloud-init, either via
> > >     the Run-Once Dialog, or in the regular VM properties dialog.
> > >     >>
> > >     >> Omer - we have REST API support for cloud-init, right?
> > >     > Yes, more on that can be found here:
> > >     > http://www.ovirt.org/Features/vm-init-persistent
> > >     >>
> > >
> > >     Tajesh, you have a detailed example of how to set the password in the
> > >     following message:
> > >
> > >     http://lists.ovirt.org/pipermail/users/2014-February/021302.html
> > >
> > >     Setting the IP address is similar.
> > >
> >
> > --
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> > 3ºD, 28016 Madrid, Spain
> > Inscrita en el Reg. Mercantil de Madrid - C.I.F. B82657941 - Red Hat S.L.
> >
> 
> 
> 
> -- 
> Thanks & Regards
> Tejesh


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