[one-users] OCCI syntax - [Wrong type! error]

[Daniel Molina Aranda]

Hi,

The reason of that error is a typo in the common.erb file. It was fixed in
the last maintenance release. [1]

In the python code, you have to use the VM template syntax [2], because you
are interacting with the core using the xmlrpc api.

Hope this helps.

[1]
http://dev.opennebula.org/projects/opennebula/repository/revisions/18361ccfe643632aba5dd84e5128d8fbaa1774bb/diff/src/cloud/occi/etc/templates/common.erb
[2] http://www.opennebula.org/documentation:rel2.0:template

On 20 December 2010 10:18, Strutz, Marco <
marco.strutz at fokus-extern.fraunhofer.de> wrote:

> Hi.
>
> I want to use OpenNebula for dynamic instantiation of virtual machines
> by interfacing OCCI.
> Unfortunately I'm facing some problems with the occi template definition
> syntax.
> Can you please help with the "Wrong type!" error?
>
>
>
>
> the problem:
> ************
> $ occi-compute create occiTemplate.xml
> Wrong type!
>
>
> --> "Wrong type!" is the response of the OCCIServer. 'occi-compute'
> works fine.
>
>
>
> the template
> *************
> $ cat occiTemplate.xml
> <COMPUTE>
>        <NAME>sl5.5</NAME>
>        <STORAGE>
>                <DISK image="3" dev="hda" />
>        </STORAGE>
>        <NETWORK>
>                <NIC network="2" />
>        </NETWORK>
>        <INSTANCE_TYPE>
>                        small
>        </INSTANCE_TYPE>
>        <CONTEXT>
>                <HOSTNAME>
>                        onevm
>                </HOSTNAME>
>                <FILES>
>                        /srv/cloud/one/context/resources/software.tar.gz
> /srv/cloud/one/context/resources/init.sh
>                </FILES>
>                <TARGET>
>                             hdb
>                </TARGET>
>        </CONTEXT>
> </COMPUTE>
>
>
>
>
>
>
>
> same template but this time as xmlrpc request
> *********************************************
> $ python xmlrpcDeploy.py
> xmlrpc-response.status  = False
> xmlrpc-response.message = [VirtualMachineAllocate] Error trying to PARSE
>
> VM TEMPLATE Returned error code [1].. Reason: syntax error, unexpected
> VARIABLE, expecting EQUAL or EQUAL_EMPTY at line 1, columns 15:19
>
>
>
>
> python source for xmlrpc request
> ********************************
> $ cat xmlrpcDeploy.py
> import xmlrpclib
> server=xmlrpclib.ServerProxy("http://localhost:2633/RPC2")
> oneAuth = "oneadmin:7bc8559a8fe509e680562b85c337f170956fcb06"
> template = (
> '<COMPUTE>'
> ' <NAME>sl5.5</NAME>'
> ' <STORAGE>'
> ' <DISK image="3" dev="hda" />'
> ' </STORAGE>'
> ' <NETWORK>'
> ' <NIC network="2" />'
> ' </NETWORK>'
> ' <INSTANCE_TYPE>'
> '        small'
> ' </INSTANCE_TYPE>'
> ' <CONTEXT>'
> ' <HOSTNAME>'
> '            onevm'
> ' </HOSTNAME>'
> ' <FILES>'
> '            /srv/cloud/one/context/resources/software.tar.gz
> /srv/cloud/one/context/resources/init.sh'
> ' </FILES>'
> ' <TARGET>'
> '            hdb'
> ' </TARGET>'
> ' </CONTEXT>'
> '</COMPUTE>'
> )
>
> response = server.one.vm.allocate(oneAuth, str(template))
> status = str(response[0])
> message = str(response[1])
> print 'xmlrpc-response.status  = ' + status
> print 'xmlrpc-response.message = ' + message
>
>
>
>
> occi-server.log
> **************
> (...)
> 127.0.0.1 - - [17/Dec/2010 16:51:27] "POST /compute HTTP/1.1" 500 11
> 0.0016
>
>
> one_xmlrpc.log
> **************
> (...)
> 127.0.0.1 -  - [17/Dec/2010:17:43:54 +0100] "POST" 200 463
>
>
>
> --> no more hints
>
>
>  opennebula version
> *******************
> $ git log | head -n 3
> commit 5f6b326c52a53fbc709c1c35bf1a301b1593a775
> Author: Jaime Melis <j.melis at fdi.ucm.es>
> Date:   Mon Nov 8 19:35:42 2010 +0100
>
>
> python version
> **************
> $ python
> Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41)
> [GCC 4.4.3] on linux2
>
>
>
>
> thanks in advance
> Marco
>
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> 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
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