ZC Buildout recipe for defining a Bebop instance
Project description
Bebop Instance Recipe
Derived from Jim Fultons Zope 3 Instance Recipe (zc.recipe.zope3instance). Difference: - corrected filepaths for binaries, config files, etc. - new Parameter:
- bebop-mode
If set to ‘on’, enables some bebop specific features, like a customized securitypolicy.zcml.
Jim’s original README follows:
The zc.recipe.zope3instance recipe creates a Zope 3 instance. A Zope 3 instance is a collection of scripts and configuration that define a Zope server process. This recipe is likely to evolve quite a bit as our knowledge of how to deploy applications with eggs evolves. For example, we now need to know the location of a Zope 3 installation, however, in the future, we may be able to express our dependence on Zope3 soley via eggs.
Note that, currently, this recipe is fairly unix-centric. Windows support will be added in the future.
The zope3 instance recipe takes a number of options:
- eggs
Specify one or more distribution requirements, on separate lines, for software to be included in the Zope instance.
- zope3
The name of a section defining a Zope3 installation location (as a location option). This can be either a checkout or a release installtion. (Unfortunately, we have to do some introspection to determine whether a checkout or release installation is provided.) Hopefully, this option will be unnecessary in the future and we’ll use egg depedencies to define the Zope software used.
- database
The names of one or more sections defining databases to be used. These sections must contain zconfig options giving configurations for individual databases.
- address
One or more addresses to listed for HTTP connections on. Each address of of the form “host:port” or just “port”.
- user
A global management user of the form: user:encyption:encrypted-password.
- zcml
Specifications for one or more zcml files to be loaded.
- zope-options
Top-level ZConfig options to be used for the instance, e.g. devmode on, threads 4, …
In addition, the find-links, index, python, interpreter, and extra-paths options of the zc.recipe.egg recipe are honored.
Let’s start with a minimal example. We have a sample buildout. Let’s write a buildout.cfg file that defines a zope instance:
>>> cd(sample_buildout) >>> write('buildout.cfg', ... """ ... [buildout] ... parts = instance ... ... [zope3] ... location = %(zope3_installation)s ... ... [mydata] ... zconfig = ... <zodb> ... <filestorage> ... path /foo/baz/Data.fs ... </filestorage> ... </zodb> ... ... [instance] ... database = mydata ... user = jim:SHA1:40bd001563085fc35165329ea1ff5c5ecbdbbeef ... ... """ ... % dict(zope3_installation=sample_zope3))
The Zope3 instance recipe needs to be told the location of a Zope 3 installation. This can be done in two ways:
Use a zope3checkout recipe to install Zope 3 from subversion,
Use the configure-make-make-install recipe to install a Zope release, or
Create a section with an option that provides the location of a Zope 3 installation.
We provided a zope3 section containing the location of an existing Zope3 installation.
We also provided a section that provided a zconfig option containing a ZConfig definition for a database. We provided it by hand, but one would normally provide it using a part that used a database recipe, such as zc.recipe.filestorage or zc.recipe.clientstorage recipe.
Let’s run the buildout:
>>> print system(join('bin', 'buildout')),
We’ll get a directory created in the buildout parts directory containing configuration files and some directories to contain og files, pid files, and so on.
>>> ls(join('parts', 'instance'))
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