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Buildout recipe that installs and configures Apache Solr.
Python
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solr_recipe
.gitignore
LICENSE
MANIFEST.in
README.rst
setup.py

README.rst

solr_recipe

Buildout recipe that installs and configures Apache Solr. The recipe was made to make it easy to setup Solr for Haystack. It has only been tested with Haystack 1.2.3 and Solr 3.6.2.

Requirements

  • Java 1.5 or greater from Oracle, OpenJDK or IMB. Gnu GCJ does not work. Run java -version to see what version you have installed if any.

Usage

  1. Add something like this to your buildout.cfg:

    [buildout]
    ...
    parts =
        ...
        solr
    ...
    
    [solr]
    recipe = solr_recipe
    solr_version = 3.6.2
    loglevel = INFO
    
  2. The configuration above will work with Haystack. It installs a run_solr.sh script in bin/, and stores data in var/solr/data/.

  3. Run bin/buildout.

  4. Add schema.xml to var/solr/home/. See solr_classpath for information about how this works.

  5. Run bin/run_solr.sh

Haystack?

If you use Haystack, you should use:

$ python manage.py build_solr_schema -f var/solr/home/conf/schema.xml

in step 3. See the run_solr_extra_startup_commands option below for how to automate this.

Options

solr_version (required)
The solr version to download from the mirror.
mirror
The Apache mirror to download from. Defaults to http://archive.apache.org/dist/lucene/solr/.
java_executable
The Java executable to use in run_solr.sh. Defaults to java.
solr_logconfig_tplfile

A Jinja2 template used to generate the solr logging.properties file. It gets all options added to the section as template variables, so loglevel and any other options you add will be available in the template. If no template file is specified, we use this template:

.level = {{ loglevel }}

# Write to the console:
handlers = java.util.logging.ConsoleHandler
loglevel
Specifies the loglevel for the solr_logconfig_tplfile. Defaults to INFO.
solr_datadir
The directory where solr should store data. This is forwarded to solr via -Dsolr.data.dir in run_solr.sh. Defaults to var/<sectionname>/data/, where <sectionname> is the name of the buildout config section (solr in the example above). The directory is created (recursively) if it does not exist.
solr_home
Instead of using our example config-directory, you can configure your own using this option. Defaults to var/<sectionname>/home/, which is copied from the solr_recipe/files/example-solr3.6-config/-directory in the python package if it does not exists (links to the latest version - select the tag matching your version to view the actual files). The default directory does not include a schema.xml.
solr_classpath
Add extra directories to the Java classpath. Added to run_solr.sh with the -classpath option. Refer to java -help for more info about the format. You can use this to provide a directory where you override any config files in solr_home. Defaults to var/<sectionname>/config_overrides.
run_solr_extra_startup_commands

Extra shell commands to run before starting solr in run_solr.sh. Typically used to generate the Haystack schema automatically before starting solr. Example:

[solr]
recipe = solr_recipe
...
run_solr_extra_startup_commands =
    echo "Starting Apache Solr"
    python ${buildout:directory}/manage.py build_solr_schema -f ${buildout:directory}/var/solr/home/conf/schema.xml
run_solr_extra_shutdown_commands

Just like run_solr_extra_startup_commands, but these are added to run_solr.sh after the command to start/run Solr. Example:

[solr]
recipe = solr_recipe
...
run_solr_extra_shutdown_commands =
    echo "Solr was stopped. Exited with exit code $?"
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