Frequently Asked Questions

Adaptor module

  1. How do I use this module ?

Security

  1. What security context should I use ?
  2. Where can I run the adaptor ?
  3. How to get access to the EGI FedCloud ?

Execution management

  1. What is the URL syntax understood by this plug-in ?
  2. Which parameters can be specified in the service URL ?

Adaptor module

How do I use this module ?
The command "jsaga-help" provides some useful information about the usage and the current configuration of the plug-ins. 
jsaga-help -help
If this command does not provides the answer to your question, then please contact us so that we can fill out this FAQ.

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Security

What security context should I use ?
Use a context of type "rocci". This context encapsulates both a VOMS context (for accessing the OCCI server) and a SSH context (for accessing the instanciated VM). Please refer to documentation of the SSH and the VOMS context for available attributes.

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Where can I run the adaptor ?
The following adaptor has been successfully tested on the EGI FedCloud testbed. For further information about the testbed, please refer to this web link: https://wiki.egi.eu/wiki/Fedcloud-tf:FederatedCloudsTaskForce

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How to get access to the EGI FedCloud ?
Please, follow the instructions reported in the web link: https://wiki.egi.eu/wiki/Fedcloud-tf:Users

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Execution management

What is the URL syntax understood by this plug-in ?
The URL must be: 
rocci://<HOSTNAME>[:<PORT>]/[?<PARAMETERS>]
Where:
    <HOSTNAME> is the OCCI server URI
    <PORT> is the port used by the OCCI server for the incoming connections (default is 11443). 
    <PARAMETERS> are mandatory parameters described in the following section.
    
E.g.: rocci://carach5.ics.muni.cz:11443/
      rocci://occi.cloud.gwdg.de:3100/
      rocci://okeanos-occi2.hellasgrid.gr:9000/
      rocci://egi-cloud.zam.kfa-juelich.de:8787/
      rocci://egi.cloud.pdc.kth.se:443/
      rocci://cloud.cesga.es:3202/

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Which parameters can be specified in the service URL ?
The URL parameters are: 
resource=<RESOURCE>
auth=<AUTH>
attributes_title=<ATTRIBUTES>
mixin_os_tpl=<MIXIN_OS_TPL>
mixin_resource_tpl=<MIXIN_RESOURCE_TPL>
prefix=<PREFIX>

Where:
    <RESOURCE> is the type of resource (default is "compute")
    <AUTH> is the type of authentication (default is "x509")
    <ATTRIBUTES> is a comma separated attributes for new resources such as title='Name'
    <MIXIN_OS_TPL> is the name of the OS template (e.g. os_tpl#generic_vm)
    <MIXIN_RESOURCE_TPL> is the name of the resource template (e.g. resource_tpl#small|medium|large|extra large)
    <PREFIX> is the directory where the occi client binary is installed (optional is it is in the standard PATH)
    
E.g.: rocci://carach5.ics.muni.cz:11443/?attributes_title=MyDebianROCCITest&mixin_os_tpl=generic_vm&mixin_resource_tpl=small\

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