[Users] Fwd: Sample code for setting NIC - CloudInit
Juan Hernandez
jhernand at redhat.com
Fri Feb 21 10:40:40 UTC 2014
On 02/20/2014 08:42 PM, Greg Padgett wrote:
> On 02/20/2014 02:26 PM, Juan Hernandez wrote:
>> On 02/20/2014 04:28 PM, Juan Hernandez wrote:
>>> On 02/20/2014 10:40 AM, Tejesh M wrote:
>>>> I wrote this code to assign IP address to VM interface eth0, but not
>>>> luck. Also, have attached debug log.
>>>>
>>>
>>> I'm attaching a complete examaple of how to do this. However, I think
>>> that setting the DNS information doesn't currently work. Apparently
>>> cloud-init is expecting a network configuration containing the DNS
>>> settings inside the network interface, something like this:
>>>
>>> iface eth0 inet static
>>> dns-nameservers 1.1.2.2 1.2.3.4
>>> dns-search google.com
>>> address 192.168.1.102
>>> netmask 255.255.0.0
>>> gateway 192.168.2.1
>>> auto eth0
>>>
>>> But we actually pass them outside of the network interface, like this:
>>>
>>> dns-nameservers 1.1.2.2 1.2.3.4
>>> dns-search google.com
>>> iface eth0 inet static
>>> address 192.168.1.102
>>> netmask 255.255.0.0
>>> gateway 192.168.2.1
>>> auto eth0
>>>
>>> I need to check it.
>>>
>>
>> I have modified the code that generates the cloud-init files to put the
>> DNS configuration inside the "iface" configuration, and then it works:
>>
>> http://gerrit.ovirt.org/24850
>>
>> So this is probably a bug, either in our side or in cloud-init itself.
>> Greg, Shahar, you know cloud-init better, what do you think?
>>
I opened the following bug to track it:
https://bugzilla.redhat.com/1067906
>
> It looks like our bug. Cloud-init wants to see a standard debian/ubuntu
> style /etc/network/interfaces, and the documentation for that format
> supports your change. Thanks for posting the patch!
>
>>>> _*Java Code:*_
>>>> 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);
>>>> Host hostData = new Host();
>>>> hostData.setAddress(vmName);
>>>> cloudData.setHost(hostData);
>>>>
>>>> org.ovirt.engine.sdk.entities.CloudInit.Network
>>>> networkConfiguration=new org.ovirt.engine.sdk.entities.CloudInit.Network();
>>>>
>>>> DNS dns = new DNS();
>>>> dns.setServers(createServersList("1.1.2.2", "1.2.3.4"));
>>>> dns.setSearchDomains(createServersList("google.com
>>>> <http://google.com>"));
>>>> networkConfiguration.setDns(dns);
>>>> networkConfiguration.setNics(new Nics());
>>>>
>>>> Nics nics = networkConfiguration.getNics();
>>>> nics.getNics().add(createNic("eth0", "STATIC",
>>>> createNetwork("192.168.1.102", "255.255.0.0", "192.168.2.1"), true));
>>>>
>>>> networkConfiguration.setNics(nics);
>>>>
>>>> cloudData.setNetwork(networkConfiguration);
>>>>
>>>> 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);
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Thu, Feb 20, 2014 at 1:39 PM, Moti Asayag <masayag at redhat.com
>>>> <mailto:masayag at redhat.com>> wrote:
>>>>
>>>>
>>>>
>>>> ----- Original Message -----
>>>> > From: "Tejesh M" <tejeshmk at gmail.com <mailto:tejeshmk at gmail.com>>
>>>> > To: "Moti Asayag" <masayag at redhat.com <mailto:masayag at redhat.com>>
>>>> > Cc: "users at oVirt.org" <users at ovirt.org <mailto:users at ovirt.org>>
>>>> > Sent: Thursday, February 20, 2014 8:52:52 AM
>>>> > Subject: Re: [Users] Fwd: Sample code for setting NIC - CloudInit
>>>> >
>>>> > I'm not getting below class:
>>>> >
>>>> > import org.ovirt.engine.sdk.entities.*NetworkConfiguration*;
>>>>
>>>> Which version of ovirt-engine-sdk-java are you using ?
>>>>
>>>> I used ovirt-engine-sdk-java-3.4.0.1-1, added to my project's pom.xml:
>>>>
>>>> <dependency>
>>>> <groupId>org.ovirt.engine.sdk</groupId>
>>>> <artifactId>ovirt-engine-sdk-java</artifactId>
>>>> <version>3.4.0.1-1</version>
>>>> <type>jar</type>
>>>> <scope>compile</scope>
>>>> </dependency>
>>>>
>>>> >
>>>> >
>>>> > On Thu, Feb 20, 2014 at 4:11 AM, Moti Asayag <masayag at redhat.com
>>>> <mailto:masayag at redhat.com>> wrote:
>>>> >
>>>> > >
>>>> > >
>>>> > > ----- Original Message -----
>>>> > > > From: "Tejesh M" <tejeshmk at gmail.com <mailto:tejeshmk at gmail.com>>
>>>> > > > To: "users at oVirt.org" <users at ovirt.org <mailto:users at ovirt.org>>
>>>> > > > Sent: Wednesday, February 19, 2014 3:24:40 PM
>>>> > > > Subject: [Users] Fwd: Sample code for setting NIC - CloudInit
>>>> > > >
>>>> > > > Hi,
>>>> > > >
>>>> > > > Can someone share me sample java code for assigning IP address
>>>> for VM on
>>>> > > eth0
>>>> > > > through Java SDK via CloudInit ?
>>>> > > >
>>>> > >
>>>> > > Hi Tejesh,
>>>> > >
>>>> > > I've attached a sample code that sends the required request (as
>>>> the output
>>>> > > is demonstrated in debug mode).
>>>> > > Note that the code is jdk-7 compliant.
>>>> > > I haven't configured cloud-init and haven't tested it end-to-end.
>>>> > > Please try to test it on your environment and provide a feedback
>>>> for it.
>>>> > >
>>>> > > Thanks,
>>>> > > Moti
>>>> > >
>>>> > > > Something Like this but in Java:
>>>> > > > <network_configuration>
>>>> > > > <nics>
>>>> > > > <nic>
>>>> > > > <name>eth0</name>
>>>> > > > <boot_protocol>STATIC</boot_protocol>
>>>> > > > <network>
>>>> > > > <ip address="192.168.2.11" netmask="255.255.0.0"
>>>> > > > gateway="192.168.2.1" />
>>>> > > > </network>
>>>> > > > <on_boot>true</on_boot>
>>>> > > > </nic>
>>>> > > > <nic>
>>>> > > > <name>eth1</name>
>>>> > > > <boot_protocol>DHCP</boot_protocol>
>>>> > > > </nic>
>>>> > > > <nic>
>>>> > > > <name>eth2</name>
>>>> > > > <boot_protocol>NONE</boot_protocol>
>>>> > > > <on_boot>true</on_boot>
>>>> > > > </nic>
>>>> > > > </nics>
>>>> > > > <dns>
>>>> > > > <servers>
>>>> > > > <host>
>>>> > > > <address>1.1.2.2</address>
>>>> > > > </host>
>>>> > > > <host>
>>>> > > > <address>1.2.3.4</address>
>>>> > > > </host>
>>>> > > > </servers>
>>>> > > > <search_domains>
>>>> > > > <host>
>>>> > > > <address>qa.lab</address>
>>>> > > > </host>
>>>> > > > <host>
>>>> > > > <address> google.com <http://google.com> </address>
>>>> > > > </host>
>>>> > > > </search_domains>
>>>> > > > </dns>
>>>> > > > </network_configuration>
>>>
>>
>>
>
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