My fork of airsonic with experimental fixes and improvements. See branch "custom"
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airsonic-custom/documentation/DATABASE.md

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Database Configuration

Before doing anything, make sure your database is properly backed up. Ensure your server is shutdown

Libresonic has the capability to override the database settings. If you wish to continue using the current hsql 1.8 database driver, no action is needed. When upgrading to a new version of Libresonic powered by liquibase you may see some liquibase logging to double check old migrations, but on subsequent startups it will not execute them again.

For those that wish to change their database, instructions differ based on whether you wish for your database connection to be managed by your container (tomcat), or whether you wish Libresonic to manage it for you. The former may offer some performance gains in the case of many concurrent users with connection pooling while the latter is easiest.

We will refer to container managed configuration as jndi and libresonic managed configuration as embedded.

Embedded

Before doing anything, make sure your database is properly backed up. Ensure your server is shutdown

In your libresonic.properties file, you will need to add the following settings (this is just an example):

DatabaseConfigType=embed
DatabaseConfigEmbedDriver=org.hsqldb.jdbcDriver
DatabaseConfigEmbedUrl=jdbc:hsqldb:file:/tmp/libre/db/libresonic
DatabaseConfigEmbedUsername=sa
DatabaseConfigEmbedPassword=

In addition, you will need to ensure that a jdbc driver suitable for your database is on the classpath.

Note adding to the classpath is currently pretty difficult for spring-boot. Tomcat is easy, just copy into tomcat home /lib. TODO: provide prebuilt artifacts with tested databases built in?

JNDI

Before doing anything, make sure your database is properly backed up. Ensure your server is shutdown

In your libresonic.properties file, you will need to add the following settings (this is just an example):

DatabaseConfigType=jndi
DatabaseConfigJNDIName=jdbc/libresonicDB

Then in your context.xml in your tomcat directory, add the jndi config:

    <Resource name="jdbc/libresonicDB" auth="Container"
        type="javax.sql.DataSource"
        maxActive="20"
        maxIdle="30"
        maxWait="10000"
        username="libresonic"
        password="REDACTED"
        driverClassName="com.mysql.jdbc.Driver"
        url="jdbc:mysql://hostname/libresonic?sessionVariables=sql_mode=ANSI_QUOTES"/>

Finally, copy the jdbc driver from the database vendor website to the lib directory in your tomcat folder.

Database Vendor Specific Notes

PostgreSQL

stringtype=unspecified on your jdbc url string is necessary.

You will also need to add DatabaseUsertableQuote=\" to your properties file. This is due to the fact that our user table is a keyword for postgres.

Troubleshooting

In the event that you change these settings, restart your server and it fails to start, you can remedy this by reverting to the LEGACY config by removing all Database* settings from your libresonic.properties file.