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Gerrit Code Review - Automatic Site Initialization on Startup
Gerrit supports automatic site initialization on server startup
when Gerrit runs in a servlet container. Both creation of a new site
and upgrade of an existing site are supported. Installation of
plugins during the site creation/initialization is not yet supported.
This feature may be useful for such setups where Gerrit administrators
don't have direct access to the database and the file system of the
server where Gerrit should be deployed and, therefore, cannot perform
the init from their local machine prior to deploying Gerrit on such a
server. It may also make deployment and testing in a local servlet
container faster to setup as the init step could be skipped.
Gerrit Configuration
The site initialization will be performed only if the `gerrit.init`
system property exists (the value of the property is not used, only the
existence of the property matters).
If the `gerrit.site_path` system property is defined then the init is
run for that site. The database connectivity, in that case, is defined
in the `etc/gerrit.config`.
If `gerrit.site_path` is not defined then Gerrit will try to find an
existing site by looking into the `system_config` table in the database
defined via the `jdbc/ReviewDb` JNDI property. If the `system_config`
table exists then the `site_path` from that table is used for the
initialization. The database connectivity is defined by the
`jdbc/ReviewDb` JNDI property.
Finally, if neither the `gerrit.site_path` property nor the
`system_config` table exists, the `gerrit.init_path` system property,
if defined, will be used to determine the site path. The database
connectivity, also for this case, is defined by the `jdbc/ReviewDb`
JNDI property.
Example 1
Prepare Tomcat so that a site is initialized at a given path using
the H2 database (if the site doesn't exist yet) or using whatever
database is defined in `etc/gerrit.config` of that site:
$ export CATALINA_OPTS='-Dgerrit.init -Dgerrit.site_path=/path/to/site'
$ start
Example 2
Prepare Tomcat so that an existing site with the path defined in the
`system_config` table is initialized (upgraded) on Gerrit startup. The
assumption is that the `jdbc/ReviewDb` JNDI property is defined in
$ export CATALINA_OPTS='-Dgerrit.init'
$ start
Example 3
Assuming the database schema doesn't exist in the database defined
via the `jdbc/ReviewDb` JNDI property, initialize a new site using that
database and a given path:
$ export CATALINA_OPTS='-Dgerrit.init -Dgerrit.init_path=/path/to/site'
$ start
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