Add taskgroups plugin

Taskgroups are what we grant permission to with the new ACI system.

install/updates/Makefile.am

@@ -11,6 +11,7 @@ app_DATA =				\
 	RFC4876.update			\
 	netgroups.update		\
 	policy.update			\
+	taskgroups.update		\
 	winsync_index.update		\
 	$(NULL)
 

install/updates/taskgroup.update

@@ -0,0 +1,5 @@
+# Add the taskgroup container
+
+dn: cn=taskgroups,$SUFFIX
+add:objectClass: nsContainer
+add:cn: taskgroups

ipalib/plugins/taskgroup.py

@@ -0,0 +1,228 @@
+# Authors:
+#   Rob Crittenden <rcritten@redhat.com>
+#
+# Copyright (C) 2009  Red Hat
+# see file 'COPYING' for use and warranty information
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; version 2 only
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+"""
+Frontend plugins for taskgroups.
+"""
+
+from ipalib import api, crud, errors, errors2
+from ipalib import Object, Command  # Plugin base classes
+from ipalib import Str, Int, Flag  # Parameter types
+
+default_attributes = ['cn','description']
+container_taskgroup = "cn=taskgroups"
+
+def make_taskgroup_dn(cn):
+    """
+    Construct group dn from cn.
+    """
+    import ldap
+    return 'cn=%s,%s,%s' % (
+        ldap.dn.escape_dn_chars(cn),
+        container_taskgroup,
+        api.env.basedn,
+    )
+
+class taskgroup(Object):
+    """
+    taskgroup object.
+    """
+    takes_params = (
+        Str('description',
+            doc='A description of this group',
+            attribute=True,
+        ),
+        Str('cn',
+            cli_name='name',
+            primary_key=True,
+            normalizer=lambda value: value.lower(),
+            attribute=True,
+        ),
+    )
+api.register(taskgroup)
+
+
+class taskgroup_add(crud.Add):
+    'Add a new group.'
+
+    def execute(self, cn, **kw):
+        """
+        Execute the taskgroup-add operation.
+
+        The dn should not be passed as a keyword argument as it is constructed
+        by this method.
+
+        Returns the entry as it will be created in LDAP.
+
+        No need to explicitly set gidNumber. The dna_plugin will do this
+        for us if the value isn't provided by the caller.
+
+        :param cn: The name of the group being added.
+        :param kw: Keyword arguments for the other LDAP attributes.
+        """
+        assert 'cn' not in kw
+        assert 'dn' not in kw
+        ldap = self.api.Backend.ldap
+        entry = self.args_options_2_entry(cn, **kw)
+        entry['dn'] = make_taskgroup_dn(cn)
+
+        # some required objectclasses
+        entry['objectClass'] = ['top','groupofnames']
+
+        return ldap.create(**entry)
+
+    def output_for_cli(self, textui, result, *args, **options):
+        """
+        Output result of this command to command line interface.
+        """
+        textui.print_name(self.name)
+        textui.print_entry(result)
+        textui.print_dashed('Added group "%s"' % result['cn'])
+
+api.register(taskgroup_add)
+
+
+class taskgroup_del(crud.Del):
+    'Delete an existing group.'
+    def execute(self, cn, **kw):
+        """
+        Delete a group
+
+        :param cn: The name of the group being removed
+        :param kw: Unused
+        """
+        ldap = self.api.Backend.ldap
+        dn = ldap.find_entry_dn("cn", cn, "groupofnames", container_taskgroup)
+        self.log.info("IPA: taskgroup-del '%s'" % dn)
+
+        return ldap.delete(dn)
+
+    def output_for_cli(self, textui, result, cn):
+        """
+        Output result of this command to command line interface.
+        """
+        textui.print_plain("Deleted group %s" % cn)
+
+api.register(taskgroup_del)
+
+
+class taskgroup_mod(crud.Mod):
+    'Edit an existing group.'
+    def execute(self, cn, **kw):
+        """
+        Execute the taskgroup-mod operation.
+
+        The dn should not be passed as a keyword argument as it is constructed
+        by this method.
+
+        Returns the entry
+
+        :param cn: The name of the group to update.
+        :param kw: Keyword arguments for the other LDAP attributes.
+        """
+        assert 'cn' not in kw
+        assert 'dn' not in kw
+        ldap = self.api.Backend.ldap
+        dn = ldap.find_entry_dn("cn", cn, "groupofnames", container_taskgroup)
+
+        return ldap.update(dn, **kw)
+
+    def output_for_cli(self, textui, result, cn, **options):
+        """
+        Output result of this command to command line interface.
+        """
+        if result:
+            textui.print_plain("Group updated")
+
+api.register(taskgroup_mod)
+
+
+class taskgroup_find(crud.Find):
+    'Search the groups.'
+    def execute(self, term, **kw):
+        ldap = self.api.Backend.ldap
+
+        # Pull the list of searchable attributes out of the configuration.
+        config = ldap.get_ipa_config()
+        search_fields_conf_str = config.get('ipagroupsearchfields')
+        search_fields = search_fields_conf_str.split(",")
+
+        search_kw = {}
+        for s in search_fields:
+            search_kw[s] = term
+
+        object_type = ldap.get_object_type("cn")
+        if object_type and not kw.get('objectclass'):
+            search_kw['objectclass'] = object_type
+        search_kw['base'] = container_taskgroup
+        search_kw['objectclass'] = "groupofnames"
+        return ldap.search(**search_kw)
+
+    def output_for_cli(self, textui, result, uid, **options):
+        counter = result[0]
+        groups = result[1:]
+        if counter == 0 or len(groups) == 0:
+            textui.print_plain("No entries found")
+            return
+        if len(groups) == 1:
+            textui.print_entry(groups[0])
+            return
+        textui.print_name(self.name)
+
+        for g in groups:
+            textui.print_entry(g)
+            textui.print_plain('')
+        if counter == -1:
+            textui.print_plain("These results are truncated.")
+            textui.print_plain("Please refine your search and try again.")
+        textui.print_count(groups, '%d groups matched')
+
+api.register(taskgroup_find)
+
+
+class taskgroup_show(crud.Get):
+    'Examine an existing group.'
+    takes_options = (
+        Flag('all', doc='Retrieve all attributes'),
+    )
+    def execute(self, cn, **kw):
+        """
+        Execute the taskgroup-show operation.
+
+        The dn should not be passed as a keyword argument as it is constructed
+        by this method.
+
+        Returns the entry
+
+        :param cn: The group name to retrieve.
+        :param kw: Not used.
+        """
+        ldap = self.api.Backend.ldap
+        dn = ldap.find_entry_dn("cn", cn, "groupofnames", container_taskgroup)
+
+        # FIXME: should kw contain the list of attributes to display?
+        if kw.get('all', False):
+            return ldap.retrieve(dn)
+        else:
+            return ldap.retrieve(dn, default_attributes)
+
+    def output_for_cli(self, textui, result, *args, **options):
+        textui.print_entry(result)
+
+api.register(taskgroup_show)