Re: [Engine-devel] Problem with detachment of host interface using ovirt-sdk

Sunday, 25 March 2012

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On 03/22/2012 10:43 AM, Itzik Brown wrote:
...

 Hi,

 I'm using ovirt-sdk to attach and detach a network to a host's Interface.

 Once the network is attached to the interface I try to detach the 
 network from the interface using the following steps:

 1.Detach the network from the cluster through the GUI.

 2.Remove the network from the datacenter through the GUI.

 3.Detach the network from the host's interface using the SDK:

 nic = api.hosts.get(name=host).nics.get(name=if_name)

 net = params.Network(name=net_name)

 act = params.Action(network=net)

 nic.detach(act)

 api.hosts.get(name=host).commitnetconfig()

 Then I get the error:

 http://pastebin.com/3Md07huE

 The same flow using the GUI works fine.

 Network removal from the Datacenter is a trigger for me to run the 
 detachment operation therefore I use this flow.

 I use the following components:

 rhevm-3.0.2_0001-2

 ovirt-sdk (Using the latest from git repository)

 Please advise how to proceed.

 Thanks,

 Itzik

 This body part will be downloaded on demand. Ovirt-sdk and rhevm don't comply
(ovirt-sdk is based on the upstream 
version of rhevm)

Use the REST api instead:

curl -X POST user@domain:password -H "Content-Type: application/xml" 
-d(a)/path/to/file.xml 
https://rhevm:8843/api/hosts/{host-id}/nics/{nic-id}/detach

file.xml:

<action>
<host_nic>
<name>eth0</name>
</host_nic>
</action>

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    On 03/22/2012 10:43 AM, Itzik Brown wrote:
    <blockquote
      cite="mid:4488206DC085244C886DBC9E7038B68918D382CE@MTRDAG01.mtl.com"
      type="cite">
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      <div class="WordSection1">
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed">Hi,<o:p></o:p></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">I'm
          using ovirt-sdk to attach and detach a network to a host's
          Interface.<o:p></o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">Once
          the network is attached to the interface I try to detach the
          network from the interface using the following steps:<span
            dir="RTL"

style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;"
            lang="HE"><o:p></o:p></span></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">1.Detach
          the network from the cluster through the GUI.<o:p></o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">2.Remove
          the network from the datacenter through the
GUI.<o:p></o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">3.Detach
          the network from the host's interface using the
SDK:<o:p></o:p></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"
style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed"><span
            style="font-size:10.0pt;font-family:&quot;Courrier
            New&quot;">nic =
            api.hosts.get(name=host).nics.get(name=if_name)<span

style="color:#404040;background:gray;mso-highlight:gray"><o:p></o:p></span></span></p>
        <p class="MsoNormal"
style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed"><span
            style="font-size:10.0pt;font-family:&quot;Courrier
            New&quot;">net = params.Network(name=net_name)<span

style="color:#404040;background:gray;mso-highlight:gray"><o:p></o:p></span></span></p>
        <p class="MsoNormal"
style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed"><span
            style="font-size:10.0pt;font-family:&quot;Courrier
            New&quot;">act = params.Action(network=net)<span

style="color:#404040;background:gray;mso-highlight:gray"><o:p></o:p></span></span></p>
        <p class="MsoNormal"
style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed"><span
            style="font-size:10.0pt;font-family:&quot;Courrier
            New&quot;">nic.detach(act)<span

style="color:#404040;background:gray;mso-highlight:gray"><o:p></o:p></span></span></p>
        <p class="MsoNormal"
style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed"><span
            style="font-size:10.0pt;font-family:&quot;Courrier
            New&quot;">api.hosts.get(name=host).commitnetconfig()<span

style="color:#404040;background:gray;mso-highlight:gray"><o:p></o:p></span></span></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">Then
          I get the error:<o:p></o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed"><a
            moz-do-not-send="true"
href="http://pastebin.com/3Md07huE">http://pastebin.com/3Md0...
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">The
          same flow using the GUI works fine.<o:p></o:p></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">Network
          removal from the Datacenter is a trigger for me to run the
          detachment operation therefore I use this
flow.<o:p></o:p></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">I use
          the following components:<o:p></o:p></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed"><span
            style="font-size:10.0pt;font-family:&quot;Courrier

New&quot;">rhevm-3.0.2_0001-2</span><o:p></o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">ovirt-sdk
          (Using the latest from git repository)<o:p></o:p></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"
          style="text-align:left;direction:ltr;unicode-bidi:embed">Please
          advise how to proceed.<o:p></o:p></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p>&nbsp;</o:p></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed">Thanks,<o:p></o:p></p>
        <p class="MsoNormal"

style="text-align:left;direction:ltr;unicode-bidi:embed">Itzik<o:p></o:p></p>
      </div>
      <br>
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      <br>
      <pre wrap="">This body part will be downloaded on
demand.</pre>
    </blockquote>
    Ovirt-sdk and rhevm don't comply (ovirt-sdk is based on the upstream
    version of rhevm)<br>
    <br>
    Use the REST api instead:<br>
    <br>
    curl -X POST user@domain:password -H "Content-Type: application/xml"
    -d(a)/path/to/file.xml
    <a class="moz-txt-link-freetext"
href="https://rhevm:8843/api/hosts/">https://rhevm:8843/api/hosts/</a>{host-id}/nics/{nic-id}/detach<br>
    <br>
    file.xml:<br>
    <br>
    &lt;action&gt;<br>
    &nbsp; &lt;host_nic&gt;<br>
    &nbsp;&nbsp;&nbsp;
&lt;name&gt;eth0&lt;/name&gt;<br>
    &nbsp; &lt;/host_nic&gt;<br>
    &lt;/action&gt;<br>
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Re: [Engine-devel] Problem with detachment of host interface using ovirt-sdk