gLite 3.1
glite-AMGA_postgres - Update to version 3.1.1-0
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| Date |
18.01.08 |
| Priority |
Normal |
Description
This is the initial release of the AMGA metadata catalogue for the gLite 3.1 / SL4 platform.
As all the gLite 3.1 services, it uses VDT 1.6 and is totally built with ETICS.
glite-AMGA_postgres
AMGA is a generic metadata catalogue that is intended to provide access to relational data
for a wide range of applications. The main features of the AMGA catalogue are high performance
access to relational databases, especially on WAN connections. An SQL-like query language
providing most of the features of modern SQL dialects provides complex joins and includes
string and mathematical functions. This query language serves to hide the differences of
various vendor dialects of SQL and is translated into the correct dialect of the back-end.
In addition this query language allows to implement a fine grained access control, which
is based on the built-in support for user and group management. VOMS groups and roles are
supported.
AMGA has two different front-ends, a web service front-end implemented using gSOAP, which
strives to become WS-DAIR compliant, and a text-protocol based front-end. Considerable
effort has been spent on providing native client APIs for C, C++, Python, Perl and Java,
both for the SOAP and the text protocol. A PHP API is available, too. AMGA allows access
to existing databases without the need to copy the pre-existing data into the AMGA service
to make it available.
To configure AMGA with yaim use "-n glite-AMGA". The postgresql-odbc
rpm has to be installed by hand:
https://twiki.cern.ch/twiki/bin/view/LCG/GenericInstallGuide310#The_DAG_repository
This rpm has dependencies on unixODBC and postgresql-libs. If they are not yet present,
you can install them with:
yum install unixODBC postgresql-libs
AMGA uses either the "compat" or "oneline" (recommended) representation
of the DN when authenticating a user via matching the certificate subject. You can get this
representation by issuing:
openssl x509 -subject -in cert.pem -nameopt oneline -noout
This DN then is used in setting up user-credentials via the AMGA user_subject_add administrative command.
WARNING: The accepted DN string representations differ from the format displayed by grid-proxy-info
and voms-proxy-info.
Please also have a look at the list of known issues.
Updated rpms
The RPMs can be updated using yum via
Service reconfiguration after update
Service must be reconfigured.
Service restart after update
Service must be restarted.
How to apply the fix
- Update the RPMs (see above)
- Update configuration (see above)
- Restart the service if necessary (see above)
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