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Upgrading from the Previous Release - API Manager 1.9.0 - WSO2 Documentation
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The following information describes how to upgrade your API Manager server from the previous release, which is APIM 1.8.0. To upgrade from a version older than 1.8.0, start from the doc that was released immediately after your current release and upgrade incrementally. 

Migrating the configurations

In this section, you move all existing API Manager configurations from the current environment to the new one.

  1. Back up the databases in your API Manager instances and synapse configs in of all the tenants, including the super tenant. You find the synapse configs in <APIM_1.8.0_HOME>/repository/deployment/server/synapse-config/default.

  2. Open the <APIM_1.9.0_HOME>/repository/conf/datasources/master-datasources.xml file and provide the datasource configurations for the following databases. You can copy the configurations from the same file in the API Manager 1.8.0 instance.

    • User Store
    • Registry database
    • API Manager Databases
  3. Edit the registry configurations in the <APIM_1.9.0_HOME>/repository/config/registry.xml and the user database in the <APIM_1.9.0_HOME>/repository/conf/user-mgt.xml file.

  4. Move all your synapse configurations by copying and replacing <APIM_1.8.0_HOME>/repository/deployment/server/synapse-config/default directory to <APIM_1.9.0_HOME>/repository/deployment/server/synapse-config/default directory.

    NOTE: Do not replace the _TokenAPI_.xml_RevokeAPI_.xml and _AuthorizeAPI_.xml files in the /default/api sub directory unless you use a custom token endpoint. They are application-specific APIs.

Upgrading the API Manager from 1.8.0 to 1.9.0

  1. Download the API Manager 1.9.0 from http://wso2.com/products/api-manager.  
  2. Stop all running API Manager server instances.
  3. Make sure you backed up all the databases and synapse configs as instructed in step 1 of the previous section.

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  5. Extract the file you downloaded in the previous step and do the following:
    1. Copy the org.wso2.carbon.apimgt.migrate.client-1.9.0.jar file to <APIM_1.9.0_HOME>/repository/components/dropins.
    2. Copy the migration-script folder into <APIM_1.9.0_HOME>
  6. If you are not using the MySQL database with the API Manager, change the query inside <APIM_1.9.0_HOME>/migration-scripts/18-19-migration/drop-fk.sql according to your database type. The scripts for each database type are given in the table below:

    Database typeScript
    MySQLNo changes are required as the default drop-fk.sql file already contains the scripts for MySQL.
    H2SELECT DISTINCT constraint_name FROM information_schema.constraints WHERE table_name = 'AM_APP_KEY_DOMAIN_MAPPING';
    ALTER TABLE AM_APP_KEY_DOMAIN_MAPPING DROP CONSTRAINT <temp_key_name>;
    OracleSELECT DISTINCT constraint_name FROM user_cons_columns WHERE table_name = 'AM_APP_KEY_DOMAIN_MAPPING'; 
    ALTER TABLE AM_APP_KEY_DOMAIN_MAPPING DROP CONSTRAINT <temp_key_name>;
    MS SQL ServerSELECT CONSTRAINT_NAME FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE WHERE TABLE_NAME = 'AM_APP_KEY_DOMAIN_MAPPING' AND COLUMN_NAME='CONSUMER_KEY'; 
    ALTER TABLE AM_APP_KEY_DOMAIN_MAPPING DROP CONSTRAINT <temp_key_name>;
    Postgresql

    SELECT CONSTRAINT_NAME FROM information_schema.constraint_table_usage WHERE TABLE_NAME = 'AM_APP_KEY_DOMAIN_MAPPING';
    ALTER TABLE AM_APP_KEY_DOMAIN_MAPPING DROP CONSTRAINT <temp_key_name>;

  7. Start the API Manager 1.9.0 with the following command options to migrate the database, registry and the file system together or separately.

    To migrate the database, registry and file system togetherDmigrate=1.9
    To migrate the database onlyDmigrateDB=1.9
    To migrate the registry onlyDmigrateReg=1.9
    To migrate the file system onlyDmigrateFS=1.9

    Tip: You can migrate all the resources together with the Dmigrate=1.9 command. If you need to perform single resource migrations, you can use the other commands separately. If you already executed -Dmigrate=1.9 once, you do not need to execute the rest.

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  8.  

  1. To re-index the artifacts in the registry, perform the two steps given below.

    a) Rename the lastAccessTimeLocation in the <APIM_1.9.0_HOME>/repository/conf/registry.xml file. For example, change the /_system/local/repository/components/org.wso2.carbon.registry/indexing/lastaccesstime registry path to /_system/local/repository/components/org.wso2.carbon.registry/indexing/lastaccesstime_1.

    b) Shut down AM 1.9.0, backup and delete the <APIM_1.9.0_HOME>/repository/conf/solr directory and restart the server.

     For a cluster

  1. If you use a cluster/distributed setup, then you need to copy the migration client to particular node and run -DmigrateDB=1.9 to migrate databases, -DmigrateReg=1.9 to migrate registry, -DmigrateFS=1.9 to migrate file system. You only need to copy migration-script folder into the node which hosts your databases

         Upgrading tenants

  1. If you have multiple tenants added to your API Manager instance, follow the steps below to migrate tenant configurations:
    1. Copy the contents from your previous <APIM_HOME>/repository/tenants directory to the same directory in the API Manager 1.9.0. Do not replace the _TokenAPI_.xml, _RevokeAPI_.xml and _AuthorizeAPI_.xml files in the /default/api sub directory.
    2. Start the server

    Upgrading external stores

  2. If you have external stores configured in the registry, follow the steps below:

    1. Log in to APIM 1.9.0 management console and click the Resources -> Browse menu.

    2. Load the /_system/governance/apimgt/externalstores/external-api-stores.xml resource in the registry browser UI, configure your external stores and save.

    Upgrading Google analytics

  3. If you have Google Analytics configured in the registry, follow the steps below:

    1. Log in to APIM 1.9.0 management console and go to Resources -> Browse menu.

    2. Load the /_system/governance/apimgt/statistics/ga-config.xml resource in the registry browser UI, configure the Google analytics and save.

    Upgrading workflows

  4. If you have Workflows configured in the registry, follow the steps below:

    1. Log in to APIM 1.9.0 management console and go to Resources -> Browse menu.

    2. Load the /_system/governance/apimgt/applicationdata/workflow-extensions.xml resource in the registry browser UI, configure your workflows and save.

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