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Difference between revisions of "GOCDB/Release4/Development/ExtensibilityMechanism"
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==PI Examples== | ==PI Examples== | ||
The URL query could be parameterised with a known GET request paramter (e.g. 'properties') with a simplified LDAP style query string for a value, eg: | The URL query could be parameterised with a known GET request paramter (e.g. 'properties') with a simplified LDAP style query string for a value, eg: | ||
https://goc.egi.eu/gocdbpi/private/?method=get_service_endpoint&properties=(MPI=True) | * https://goc.egi.eu/gocdbpi/private/?method=get_service_endpoint&properties=(MPI=True) | ||
This query would return all <SERVICE_ENDPOINT> elements that support the 'MPI' property with a value of 'True'. | This query would return all <SERVICE_ENDPOINT> elements that support the 'MPI' property with a value of 'True'. | ||
https://goc.egi.eu/gocdbpi/private/?method=get_service_endpoint&properties=(MPI=*) | * https://goc.egi.eu/gocdbpi/private/?method=get_service_endpoint&properties=(MPI=*) | ||
This query would return all <SERVICE_ENDPOINT> elements that support the 'MPI' property with any value. | This query would return all <SERVICE_ENDPOINT> elements that support the 'MPI' property with any value. | ||
==Sample XML Output== | |||
<source lang="XML"> | <source lang="XML"> | ||
<?xml version="1.0" encoding="UTF-8"?> | <?xml version="1.0" encoding="UTF-8"?> | ||
Revision as of 14:36, 31 July 2012
<< Back to GOCDB/Documentation_Index
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Key-Value Pair Property Bag Extensiblity Mechanism
Introduction
- Simiar to the GLUE2 extensibility mechanim, the core GOCDB entities (NGIs, Sites, Services, ServiceGroups, Endpoints) will be extended so that they can define an optional set of custom key-value pairs.
- In doing this, additional parameters could be supplied to the PI for selecting entities that define a particular set of properties.
- For example; select all Sites/Services that define the 'MPI=true' property.
PI Examples
The URL query could be parameterised with a known GET request paramter (e.g. 'properties') with a simplified LDAP style query string for a value, eg:
This query would return all <SERVICE_ENDPOINT> elements that support the 'MPI' property with a value of 'True'.
This query would return all <SERVICE_ENDPOINT> elements that support the 'MPI' property with any value.
Sample XML Output
<?xml version="1.0" encoding="UTF-8"?>
<results>
<SERVICE_ENDPOINT PRIMARY_KEY="50257G0">
<PRIMARY_KEY>50257G0</PRIMARY_KEY>
<HOSTNAME>dgiref-globus.fzk.de</HOSTNAME>
<GOCDB_PORTAL_URL>https://goc.egi.eu/portal/index.php?Page_Type=View_Object&object_id=77182&grid_id=0</GOCDB_PORTAL_URL>
<HOST_OS>SL5</HOST_OS>
<BETA>N</BETA>
<SERVICE_TYPE>GRAM5</SERVICE_TYPE>
<CORE></CORE>
<IN_PRODUCTION>Y</IN_PRODUCTION>
<NODE_MONITORED>Y</NODE_MONITORED>
<SITENAME>DGIREF</SITENAME>
<COUNTRY_NAME>Germany</COUNTRY_NAME>
<COUNTRY_CODE>DE</COUNTRY_CODE>
<ROC_NAME>NGI_DE</ROC_NAME>
<ENDPOINT>
<URL>ldap://ce-cms.vinca.rs:2170/mds-vo-name=AEGIS10-VINCA-CMS,o=grid</URL>
<InterfaceName>RIS</InterfaceName>
</ENDPOINT>
<!-- Key-Value Pair Property Bag attached to SERVICE_ENDPOINT entity -->
<Extensions>
<Extension>
<LocalID>1234</LocalID>
<Key>MPI</Key>
<Value>True</Value>
</Extension>
<Extension>
<LocalID>12345</LocalID>
<Key>someKey</Key>
<Value>someValue</Value>
</Extension>
</Extensions>
</SERVICE_ENDPOINT>
</results>