[one-users] Using Ruby API with OCA gem

Mon Nov 29 02:58:44 PST 2010

Hi,

Sorry it was my mistake, copy/paste issue.
Check it now [1[, i think that you will be able to make your own script with
this correction.

Regards.

[1] http://www.opennebula.org/documentation:rel2.0:ruby

On 29 November 2010 11:20, KING LABS <kinglabs.in at gmail.com> wrote:

> Thank you I am getting the following error when I used the updated example,
> while when I am using xmlrpc script its working .
>
>
> king at king-desktop:~$ ruby opennebula_ruby_api.rb
> opennebula_ruby_api.rb:22:in `<main>': unexpected return (LocalJumpError)
>
> ------------------------------------------------------------------------
>
> xmlrpc using ruby:
> ---------------------------
>
> #!/usr/bin/env ruby
> require 'xmlrpc/client'
> require 'pp'
> server_url="http://192.168.138.230:2633/RPC2"
> server=XMLRPC::Client.new2(server_url)
> vmpool = server.call("one.vmpool.info
> ","oneadmin:7bc8559a8fe509e680562b85c337f170956fcb06",-1)
> pp vmpool
>
> OUTPUT:
> ----------------
>
> king at king-desktop:~$ ruby opennebula.rb
> [true,
>
>  "<VM_POOL><VM><ID>28</ID><UID>0</UID><USERNAME>oneadmin</USERNAME><NAME>test3</NAME><LAST_POLL>1291025778</LAST_POLL><STATE>3</STATE><LCM_STATE>3</LCM_STATE><STIME>1290752714</STIME><ETIME>0</ETIME><DEPLOY_ID>one-28</DEPLOY_ID><MEMORY>131072</MEMORY><CPU>0</CPU><NET_TX>0</NET_TX><NET_RX>0</NET_RX><LAST_SEQ>0</LAST_SEQ><TEMPLATE><CPU><![CDATA[1]]></CPU><DISK><CLONE><![CDATA[YES]]></CLONE><DISK_ID><![CDATA[0]]></DISK_ID><IMAGE><![CDATA[UbuntuApp]]></IMAGE><IMAGE_ID><![CDATA[1]]></IMAGE_ID><READONLY><![CDATA[NO]]></READONLY><SAVE><![CDATA[NO]]></SAVE><SOURCE><![CDATA[/var/lib/one//images/2a4e357eac97900cc1eedd570eaa87050e11aa98]]></SOURCE><TARGET><![CDATA[hda]]></TARGET><TYPE><![CDATA[DISK]]></TYPE></DISK><GRAPHICS><LISTEN><![CDATA[0.0.0.0]]></LISTEN><PORT><![CDATA[17]]></PORT><TYPE><![CDATA[vnc]]></TYPE></GRAPHICS><MEMORY><![CDATA[128]]></MEMORY><NAME><![CDATA[test3]]></NAME><NIC><BRIDGE><![CDATA[br0]]></BRIDGE><IP><![CDATA[192.168.138.1]]></IP><MAC><![CDATA[02:00:c0:a8:8a:01]]></MAC><NETWORK><![CDATA[RANGED]]></NETWORK><NETWORK_ID><![CDATA[2]]></NETWORK_ID></NIC><VMID><![CDATA[28]]></VMID></TEMPLATE><HISTORY><SEQ>0</SEQ><HOSTNAME>192.168.138.231</HOSTNAME><HID>0</HID><STIME>1290752718</STIME><ETIME>0</ETIME><PSTIME>1290752718</PSTIME><PETIME>1290752770</PETIME><RSTIME>1290752770</RSTIME><RETIME>0</RETIME><ESTIME>0</ESTIME><EETIME>0</EETIME><REASON>0</REASON></HISTORY></VM><VM><ID>29</ID><UID>0</UID><USERNAME>oneadmin</USERNAME><NAME>test4</NAME><LAST_POLL>1291025838</LAST_POLL><STATE>3</STATE><LCM_STATE>3</LCM_STATE><STIME>1291008373</STIME><ETIME>0</ETIME><DEPLOY_ID>one-29</DEPLOY_ID><MEMORY>131072</MEMORY><CPU>0</CPU><NET_TX>0</NET_TX><NET_RX>0</NET_RX><LAST_SEQ>0</LAST_SEQ><TEMPLATE><CPU><![CDATA[1]]></CPU><DISK><CLONE><![CDATA[YES]]></CLONE><DISK_ID><![CDATA[0]]></DISK_ID><IMAGE><![CDATA[UbuntuApp]]></IMAGE><IMAGE_ID><![CDATA[1]]></IMAGE_ID><READONLY><![CDATA[NO]]></READONLY><SAVE><![CDATA[NO]]></SAVE><SOURCE><![CDATA[/var/lib/one//images/2a4e357eac97900cc1eedd570eaa87050e11aa98]]></SOURCE><TARGET><![CDATA[hda]]></TARGET><TYPE><![CDATA[DISK]]></TYPE></DISK><GRAPHICS><LISTEN><![CDATA[0.0.0.0]]></LISTEN><PORT><![CDATA[18]]></PORT><TYPE><![CDATA[vnc]]></TYPE></GRAPHICS><MEMORY><![CDATA[128]]></MEMORY><NAME><![CDATA[test4]]></NAME><NIC><BRIDGE><![CDATA[br0]]></BRIDGE><IP><![CDATA[192.168.138.2]]></IP><MAC><![CDATA[02:00:c0:a8:8a:02]]></MAC><NETWORK><![CDATA[RANGED]]></NETWORK><NETWORK_ID><![CDATA[2]]></NETWORK_ID></NIC><VMID><![CDATA[29]]></VMID></TEMPLATE><HISTORY><SEQ>0</SEQ><HOSTNAME>192.168.138.231</HOSTNAME><HID>0</HID><STIME>1291008378</STIME><ETIME>0</ETIME><PSTIME>1291008378</PSTIME><PETIME>1291008429</PETIME><RSTIME>1291008429</RSTIME><RETIME>0</RETIME><ESTIME>0</ESTIME><EETIME>0</EETIME><REASON>0</REASON></HISTORY></VM></VM_POOL>"]
> king at king-desktop:~$
>
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>
> I am just tying to understand API. I am new to ruby/opennebula/xml .... can
> you please give me the example for the same above script using ruby api ...
> that should help me.
>
> Regards
>
>
>
> On Mon, Nov 29, 2010 at 2:00 PM, Daniel Molina Aranda <danmolin at fdi.ucm.es
> > wrote:
>
>> Hi,
>>
>> The problem is that the info method returns an OpenNebula error when it
>> fails. You should change the return statement to:
>>
>> --8<------
>> rc = vm_pool.info()
>>
>> if OpenNebula.is_error?(rc)
>>      return rc.message
>> else
>>      return rc
>> end
>> ------>8--
>>
>> I have updated the documentation script [1], if you want to check it.
>>
>> Hope this helps.
>>
>> [1] http://www.opennebula.org/documentation:rel2.0:ruby
>>
>> On 29 November 2010 08:49, KING LABS <kinglabs.in at gmail.com> wrote:
>>
>>> I have installed ruby oca gem and tried using it with given example
>>> script at http://www.opennebula.org/documentation:rel2.0:ruby , script
>>> executes with out any results, it doesnt give me any error even when the
>>> user credentials given wrong.
>>>
>>> also i tried with little modified script based on example script is as
>>> follows which is giving a error
>>>
>>>
>>> --------------------------------------------------------------------------------------------------------------------------------------------------
>>>
>>> #!/usr/bin/env ruby
>>>
>>>
>>> ##############################################################################
>>> # Required libraries
>>>
>>> ##############################################################################
>>> require 'rubygems'
>>> require 'oca'
>>>
>>> include OpenNebula
>>>
>>> # OpenNebula credentials
>>>
>>> CREDENTIALS = "oneadmin:7bc8559a8fe509e680562b85c337f170956fcb06"
>>>
>>> # XML_RPC endpoint where OpenNebula is listening
>>>
>>> ENDPOINT    = "http://192.168.138.230:2633/RPC2"
>>>
>>> client = Client.new(CREDENTIALS, ENDPOINT)
>>>
>>> vm_pool = VirtualMachinePool.new(client, -1)
>>>
>>> puts vm_pool.info()
>>>
>>>
>>> -------------------------------------------------------------------------------------------------------------------------
>>>
>>> Output:
>>>
>>> king at king-desktop:~$ ruby opennebula_ruby_api.rb
>>> #<OpenNebula::Error:0x00000002050a80>
>>> king at king-desktop:~$
>>>
>>>
>>> Few working examples are welcomed.
>>>
>>> Regards.
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opennebula.org
>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>
>>>
>>
>>
>> --
>> Daniel Molina, Cloud Technology Engineer/Researcher
>> DSA Research Group: web http://dsa-research.org and blog
>> http://blog.dsa-research.org
>> OpenNebula Open Source Toolkit for Cloud Computing:
>> http://www.OpenNebula.org
>>
>
>

-- 
Daniel Molina, Cloud Technology Engineer/Researcher
DSA Research Group: web http://dsa-research.org and blog
http://blog.dsa-research.org
OpenNebula Open Source Toolkit for Cloud Computing:
http://www.OpenNebula.org
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