Architecture

Original FIZ-Oai-Docu: https://fiznetz.fiz-karlsruhe.de/display/IEEpubFIZ/FIZ-OAI

OAI-Backend:

Bitbucket: https://dev.fiz-karlsruhe.de/stash/projects/FIZ-OAI/repos/fiz-oai-backend/

warfile, Java 11, Tomcat

or dependency

        <dependency>
            <groupId>de.fiz.oai.backend</groupId>
            <artifactId>oai-backend</artifactId>
            <version>${fiz.oaibackend.version}</version>
            <classifier>classes</classifier>
        </dependency>

Prerequisites:

• Cassanda-Tables
  • Schema: https://fiznetz.fiz-karlsruhe.de/display/IEEpubFIZ/Data+Model
  • Tables are created when calling de.fiz.oai.backend.utils.CassandraUtils.createKeyspace()
• SOLR-Index
  • Schema can be found in oai-backend-project, src/main/resources/solr
• Configuration

  • fiz-oai-backend.properties

     Expand source

    #DI
    cassandra.nodes=141.66.133.19:8842,141.66.133.20:8842,141.66.133.21:8842,141.66.133.22:8842,141.66.133.23:8842,141.66.133.24:8842
    cassandra.datacenter=DC_DI
    cassandra.replication.factor={'class': 'NetworkTopologyStrategy', 'DC_DI': '3'}
    cassandra.keyspace=oai_di
    #PROD
    #cassandra.nodes=141.66.7.34:8842
    #cassandra.datacenter=DC_LOAD01
    #cassandra.replication.factor={'class': 'NetworkTopologyStrategy', 'DC_LOAD01': '3'}
    #cassandra.keyspace=oai_p
    
    cassandra.username=ddbuser
    cassandra.password=f6Th!eoP
    cassandra.sessions=1
    cassandra.requesttimeout=10
    
    class.impl.search=de.fiz.oai.backend.service.impl.SolrSearchServiceImpl
    
    solr.url=http://ddb-di-vm05:8183/solr/oaiitems
    
    elasticsearch.host=ddb-di-vm08
    elasticsearch.port=8200
    [admin@ddb-di-vm08 conf]$ vi fiz-oai-backend.properties
    [admin@ddb-di-vm08 conf]$ more fiz-oai-backend.properties
    #DI
    cassandra.nodes=141.66.133.19:8842,141.66.133.20:8842,141.66.133.21:8842,141.66.133.22:8842,141.66.133.23:8842,141.66.133.24:8842
    cassandra.datacenter=DC_DI
    cassandra.replication.factor={'class': 'NetworkTopologyStrategy', 'DC_DI': '3'}
    cassandra.keyspace=oai_di
    #PROD
    #cassandra.nodes=141.66.7.34:8842,141.66.7.35:8842,141.66.7.36:8842,141.66.7.37:8842,141.66.7.38:8842,141.66.7.39:8842,141.66.7.40:8842,141.66.7.41:8842
    #cassandra.datacenter=DC_LOAD01
    #cassandra.replication.factor={'class': 'NetworkTopologyStrategy', 'DC_LOAD01': '3'}
    #cassandra.keyspace=oai_p
    
    cassandra.username=ddbuser
    cassandra.password=f6Th!eoP
    cassandra.sessions=1
    cassandra.requesttimeout=10
    
    class.impl.search=de.fiz.oai.backend.service.impl.SolrSearchServiceImpl
    
    solr.url=http://ddb-di-vm05:8183/solr/oaiitems
    
    elasticsearch.host=ddb-di-vm08
    elasticsearch.port=8200
    
    

• Initial Data: create with project https://dev.fiz-karlsruhe.de/stash/projects/FIZ-OAI/repos/fiz-oai-ddb-importer

OAI-Frontend:

warfile, Java 11, Tomcat

Frontend needs own Tomcat because of startorder. First start OAI-Backend, then start OAI-Frontend

DI-Net:

PROD-Net: