[Pkg-zope-developers] Products path

Wed, 21 Jul 2004 15:12:35 +0200

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Igor Stroh écrivit:

> Encolpe DEGOUTE wrote:
> [...]
> >>>b) /usr/share/zope/Products
> >>>
> >>>You cannot use /usr/lib/zope/lib/python/Products if your Zope
> >>>instances use incompatible products.
> >>
> >>What do you mean by incompatible? If I'd like to install Products
> >that>don't "like"
> >>each other, I'd put them into the Products/ dir of the appropriate 
> >>instance, like
> >>/var/lib/zope[]2.7/instance/<instance name>/Products, right? Anyway,
> >>if a Product
> >>is incompatible with another Product then it's package should use
> >the >appropriate
> >>"Conflicts: [..]".
> > 
> > 
> > That's why default installation path for Zope products have to be
> > '/usr/share/zope/Products'. It permits to remove conflicts between
> > Plone and CPS packages for example.
> > With Zope 2.6 and abive there's no reason to use something else that
> > /var/lib/zope(|2.7)/instance/<instance name>/Products to install any
> > products but specific one like DirectoryStorage or ZopeTestCase.
> 
> Ok, sounds reasonable. Now what about the old packages using
> a) /usr/lib/zope/lib/python/Products? Should they move to
> b) /usr/share/zope/Products ASAP? If so, what's the best way to do it?
> I mean one definitely has to purge a) before an update, but is it safe
> to just remove those files? What if they were locally modified?

I have made it for several packages some months ago, but they was no
upload.
I do not think that we have to remove old installation: we can break
sites already used.
If there were locally change, a good admin will create a patch to
maintain his local change. We can add a message to remember this to
users.
We can create a zopeutils package with our administration scripts for
zope and products. I have began to work on it... but it stalled since
one month. You can see the specifications in attachment.

Regards,
-- 
Encolpe DEGOUTE

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This file describes what are the options available in the configuration file.
We try to keep this up to date.
The configuration files follow the .ini schema with section and value.

Base Configuration

The base configuration section begin with the [base_config] flag.

config_version
  Version of the config file for future incompatibility between version.

zope_available
  Dictionnary of Zope version available on the system.
  It accept that schema for an entry:
    'X.Y.Z': {
        'system_path': 'system path to accede at zope binary'
        'options': [list Zope compilation options but prefix]
        'version_plugin': 'override standard plugin for this Zope's version'
    }
  Every zope version must have a plugin or a plugin equivalence.

zope_default
  Default version of Zope use to create an instance.

product_path
  List of path where source products can be found on the filesystem.
  Products can be packaged or not. default: '/usr/share/zope/products'.

zope_version_plugins
  Dictionnary. Values follow this schema: Zope version as id and list of Zope's
  version compatible with this one.

Instance Configuration

The instance configuration section begin with the [instance] flag.
It contains only dictonnary values. The value's name is the instance's 
identifiant and the dictionary contains these values:

name
  Instance name. If it's empty, use the id instead.

port
  Base port use by the instance. Add 80 for HTTP port and 21 for FTP port.

status
  Status of the instance. The status determine if an instance is to run at 
  server startup, or if it will be archive in next cleaning. Status availables 
  are:
    test be runned manually.
    dev: be runned up by developpers. Data can be criticals.
    demo: up at every sever startup, but it can be stopped. Data are criticals.
    prod: up, always. Send mail to instance's administrator if down (cronjob).
          All data are criticals.
    obsolete: down, will be packed and archived during next cleaning

email
  The email of the administrator of this instance. Mail will be send on every
  product upgrade and when instance configuration is being modified.

product_list (name, version)
  It is the list of the products installed with the actual version. Version 
  will help to know what are the instances to update or if we have to keep 
  backward compatibility during major refactoring.

owner
  user id of the sytem owner. Alternative option to zope.conf owner to run the 
  instance.

zope_version
  Version of Zope used to run the instance.

instance_path
  Instance'ss root on filesystem. Used to find zopectl and zope.conf file.

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