On 08/06/15 15:17, Martin Basti wrote:
On 08/06/15 12:12, Jan Cholasta wrote:
Dne 3.6.2015 v 15:02 Martin Basti napsal(a):
On 02/06/15 15:21, Jan Cholasta wrote:
Dne 11.5.2015 v 13:41 Jan Cholasta napsal(a):
Dne 6.5.2015 v 08:22 Jan Cholasta napsal(a):
Dne 6.5.2015 v 08:11 Martin Kosek napsal(a):
On 04/29/2015 06:25 PM, Jan Cholasta wrote:
Dne 20.4.2015 v 16:56 Jan Cholasta napsal(a):
Dne 20.4.2015 v 15:14 Martin Basti napsal(a):
On 17/04/15 16:15, Jan Cholasta wrote:
Dne 16.4.2015 v 16:46 Jan Cholasta napsal(a):
Hi,

the attached patch adds the basics of the new installer
framework.

As a next step, I plan to convert the install scripts to use the
framework with their old code (the old code will be gradually
ported to
the framework later).

(Note I didn't manage to write docstrings today, expect update
tomorrow.)

Added some docstrings.

Also updated the patch to reflect little brainstorming David and I
had
this morning.


Honza



Hello, see comments bellow:

1) We started using new shorter License header in files:
#
# Copyright (C) 2015 FreeIPA Contributors see COPYING for license
#

OK.


2) IMO this will not work, NoneType has no 'obj' attribute
+        else:
+            if isinstance(value, from_):
+                value = None
+                stack.append(value.obj)
+                continue

Right.


3) Multiple inheritance. I do not like it much.
+class CompositeInstaller(Installer, CompositeConfigurator):

I guess you are antagonistic to multiple inheritance because of how other languages (like C++) do it. In Python it can be pretty elegant
and
is basis for e.g. the mixin design pattern.


Installer and CompositeConfigurator inherites from Configurator
class,
and all of them implements _generator method.

Both of them call super()._generator(), so it's no problem (same for
other methods).


If I understand correctly
(https://www.python.org/download/releases/2.3/mro/) the
Installer._generator method will be used in this case.
However in case when CompositeConfigurator has more levels
(respectively
it is more specialized) of inheritance, it could take precedence
and its
_generator method may be used instead.

The order of precedence is defined by the order of base classes
in the
class definition.


I'm afraid this may suddenly stop working.
Maybe I'm wrong, please fix me.

As long as you call the super class, it will work fine.


And Multiple inheritance is not easily readable, this is even a
diamond
inheritance model.

Cooperative inheritance is used by design and IMHO is easily
readable if
you know how to read it. Every class defines a single bit of
behavior.
Without cooperative inheritance, it would have to be hardcoded
and/or
hacked around, which I wanted to avoid.

This blog post explains it nicely:
<https://rhettinger.wordpress.com/2011/05/26/super-considered-super/>.



Updated patch attached.

Also attached is patch 425 which migrates ipa-server-install to the
install
framework.

Good job there. I am just curious, will this framework and new option processing be friendly to other types of option passing than just via
options?
I mean tickets

https://fedorahosted.org/freeipa/ticket/4517
https://fedorahosted.org/freeipa/ticket/4468

Especially 4517 is important, we need to be able to run

# cat install.conf
ds_password=Secret123
admin_password=Secret456
ip_address=123456
setup_dns=False

# ipa-server-install --unattended --conf install.conf

I assume yes, but I am just making sure.

Yes, definitely.


Updated patches attached.

Another update, patches attached.

thank you,

1)
ipa-server-install --uninstall prints 0
...
Unconfiguring ipa_memcached
Unconfiguring ipa-otpd
0
The ipa-server-install command was successful

Fixed.



2)
ipa-server-install --setup-dns
'ServerOptions' object has no attribute 'dnssec_master'

Fixed.


3)
For record, this will be fixed in extra patch.
info messages from ldapupdate are printed to console

Could you provide the patch?


4)
+    if default is not _missing:
+        class_dict['default'] = default

Why is new _missing object needed? Isn't NoneType enough?

None is a valid value here, there needs to be a distinction between "value is not set" and "value is set to None".

Updated patches attached. Note you first have to apply my patches 436-438.


NACK

Please provide a realm name [ABC.EXAMPLE.COM]:
'installer(Server)' object has no attribute 'unattended'

also please fix private_ccache import. This function should be imported directly from ipautil, not via installutils

I forgot to paste the traceback, here it is:

DEBUG File "/usr/lib/python2.7/site-packages/ipapython/admintool.py", line 171, in execute
    return_value = self.run()
File "/usr/lib/python2.7/site-packages/ipapython/install/cli.py", line 216, in run
    cfgr.run()
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 278, in run
    self.validate()
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 287, in validate
    for nothing in self._validator():
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 342, in __runner
    self._handle_exception(exc_info)
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 364, in _handle_exception
    util.raise_exc_info(exc_info)
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 332, in __runner
    step()
File "/usr/lib/python2.7/site-packages/ipapython/install/util.py", line 87, in run_generator_with_yield_from
    raise_exc_info(exc_info)
File "/usr/lib/python2.7/site-packages/ipapython/install/util.py", line 65, in run_generator_with_yield_from
    value = gen.send(prev_value)
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 501, in _configure
    validator.next()
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 342, in __runner
    self._handle_exception(exc_info)
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 420, in _handle_exception
    self.__parent._handle_exception(exc_info)
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 364, in _handle_exception
    util.raise_exc_info(exc_info)
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 417, in _handle_exception
    super(ComponentBase, self)._handle_exception(exc_info)
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 364, in _handle_exception
    util.raise_exc_info(exc_info)
File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 332, in __runner
    step()
File "/usr/lib/python2.7/site-packages/ipapython/install/util.py", line 87, in run_generator_with_yield_from
    raise_exc_info(exc_info)
File "/usr/lib/python2.7/site-packages/ipapython/install/util.py", line 65, in run_generator_with_yield_from
    value = gen.send(prev_value)
File "/usr/lib/python2.7/site-packages/ipapython/install/common.py", line 63, in _install
    for nothing in self._installer(self.parent):
File "/usr/lib/python2.7/site-packages/ipaserver/install/server/install.py", line 1633, in main
    install_check(self)
File "/usr/lib/python2.7/site-packages/ipaserver/install/server/install.py", line 264, in decorated
    func(installer)
File "/usr/lib/python2.7/site-packages/ipaserver/install/server/install.py", line 566, in install_check
    dns.install_check(False, False, options, host_name)
File "/usr/lib/python2.7/site-packages/ipaserver/install/dns.py", line 64, in install_check
    if not (bindinstance.check_inst(options.unattended) and


--
Martin Basti

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