+#
# Thierry Parmentelat - INRIA
-# $Id$
-
+#
from types import NoneType
-from PLC.Method import Method
+from PLC.Faults import *
+
from PLC.Auth import Auth
from PLC.Parameter import Parameter, Mixed
-
-from PLC.Faults import *
+from PLC.Method import Method
+from PLC.Accessor import Accessor, AccessorSingleton
from PLC.Nodes import Nodes, Node
from PLC.NodeTags import NodeTags, NodeTag
from PLC.InterfaceTags import InterfaceTags, InterfaceTag
from PLC.Slices import Slices, Slice
from PLC.SliceTags import SliceTags, SliceTag
+from PLC.Sites import Sites, Site
+from PLC.SiteTags import SiteTags, SiteTag
+from PLC.Persons import Persons, Person
+from PLC.PersonTags import PersonTags, PersonTag
# this is another story..
#from PLC.Ilinks import Ilink
-from PLC.TagTypes import TagTypes, TagType
-
-# known classes : { class -> secondary_key }
-taggable_classes = { Node : {'table_class' : Nodes,
+# known classes : { class -> details }
+taggable_classes = { Node : {'table_class' : Nodes,
'joins_class' : NodeTags, 'join_class' : NodeTag,
'secondary_key': 'hostname'},
- Interface : {'table_class' : Interfaces,
+ Interface : {'table_class' : Interfaces,
'joins_class': InterfaceTags, 'join_class': InterfaceTag,
'secondary_key' : 'ip'},
- Slice: {'table_class' : Slices,
+ Slice: {'table_class' : Slices,
'joins_class': SliceTags, 'join_class': SliceTag,
'secondary_key':'name'},
+ Site: {'table_class' : Sites,
+ 'joins_class': SiteTags, 'join_class': SiteTag,
+ 'secondary_key':'login_base'},
+ Person: {'table_class' : Persons,
+ 'joins_class': PersonTags, 'join_class': PersonTag,
+ 'secondary_key':'email'},
# Ilink : xxx
}
# xxx probably defined someplace else
+admin_roles = ['admin']
all_roles = [ 'admin', 'pi', 'tech', 'user', 'node' ]
tech_roles = [ 'admin', 'pi', 'tech' ]
#
# generates 2 method classes:
# Get<classname><methodsuffix> (auth, id_or_name) -> value or None
-# Set<classname><methodsuffix> (auth, id_or_name, value) -> None
+# Set<classname><methodsuffix> (auth, id_or_name, value) -> value
# value is always a string, no cast nor typecheck for now
#
-# The expose_in_api flag tells whether this tag may be handled
+# The expose_in_api flag tells whether this tag may be handled
# through the Add/Get/Update methods as a native field
#
-# note: tag_min_role_id gets attached to the tagtype instance,
+# note: roles get attached to the tagtype instance,
# while get_roles and set_roles get attached to the created methods
# this might need a cleanup
+#
+# in addition a convenience method like e.g. LocateNodeArch is defined
+# in the Accessor class; its purpose is to retrieve the tag, or to create it if needed
#
+# Legacy NOTE:
+# prior to plcapi-5.0-19, this used to accept an additional argument
+# named min_role_id; this was redundant and confusing, it has been
+# removed, we now use set_roles to restrict access on the corresponding tag
+
+def define_accessors (module, objclass, methodsuffix, tagname,
+ category, description,
+ get_roles=all_roles, admin_roles,
+ expose_in_api = False):
-def define_accessors (module, objclass, methodsuffix, tagname,
- category, description,
- get_roles=['admin'], set_roles=['admin'],
- tag_min_role_id=10, expose_in_api = False):
-
if objclass not in taggable_classes:
try:
raise PLCInvalidArgument,"PLC.Accessors.Factory: unknown class %s"%objclass.__name__
classname=objclass.__name__
get_name = "Get" + classname + methodsuffix
set_name = "Set" + classname + methodsuffix
+ locator_name = "Locate" + classname + methodsuffix
- # create method objects under PLC.Method.Method
+ # accessor method objects under PLC.Method.Method
get_class = type (get_name, (Method,),
{"__doc__":"Accessor 'get' method designed for %s objects using tag %s"%\
(classname,tagname)})
set_class = type (set_name, (Method,),
{"__doc__":"Accessor 'set' method designed for %s objects using tag %s"%\
(classname,tagname)})
- # accepts
+
+ # accepts
get_accepts = [ Auth () ]
primary_key=objclass.primary_key
secondary_key = taggable_classes[objclass]['secondary_key']
setattr(set_class,'accepts',set_accepts)
setattr(set_class,'returns', set_returns)
setattr(set_class,'skip_typecheck',True)
-
+
table_class = taggable_classes[objclass]['table_class']
joins_class = taggable_classes[objclass]['joins_class']
join_class = taggable_classes[objclass]['join_class']
+ # locate the tag and create it if needed
+ # this method is attached to the Accessor class
+ def locate_or_create_tag (self):
+ return self.locate_or_create_tag (tagname=tagname,
+ category=category,
+ description=description,
+ roles=set_roles)
+
+ # attach it to the Accessor class
+ setattr(Accessor,locator_name,locate_or_create_tag)
+
# body of the get method
def get_call (self, auth, id_or_name):
- # search the tagtype - xxx - might need a cache
- tag_types = TagTypes (self.api, {'tagname': tagname})
- if not tag_types:
- return None
- tag_type_id = tag_types[0]['tag_type_id']
+ # locate the tag, see above
+ locator = getattr(Accessor,locator_name)
+ tag_type_id = locator(AccessorSingleton(self.api))
+
filter = {'tag_type_id':tag_type_id}
if isinstance (id_or_name,int):
filter[primary_key]=id_or_name
filter[secondary_key]=id_or_name
joins = joins_class (self.api,filter,['value'])
if not joins:
- # xxx - we return None even if id_or_name is not valid
+ # xxx - we return None even if id_or_name is not valid
return None
else:
return joins[0]['value']
# attach it
setattr (get_class,"call",get_call)
- # body of the set method
+ # body of the set method
def set_call (self, auth, id_or_name, value):
# locate the object
if isinstance (id_or_name, int):
if not objs:
raise PLCInvalidArgument, "Cannot set tag on %s %r"%(objclass.__name__,id_or_name)
primary_id = objs[0][primary_key]
-
- # search tag type & create if needed
- tag_types = TagTypes (self.api, {'tagname':tagname})
- if tag_types:
- tag_type = tag_types[0]
- else:
- # not found: create it
- tag_type_fields = {'tagname':tagname,
- 'category' : category,
- 'description' : description,
- 'min_role_id': tag_min_role_id}
- tag_type = TagType (self.api, tag_type_fields)
- tag_type.sync()
- tag_type_id = tag_type['tag_type_id']
+
+ # locate the tag, see above
+ locator = getattr(Accessor,locator_name)
+ tag_type_id = locator(AccessorSingleton(self.api))
# locate the join object (e.g. NodeTag, SliceTag or InterfaceTag)
filter = {'tag_type_id':tag_type_id}
else:
self.message += " %d "%objs[0][primary_key]
self.message += "updated"
+ return value
# attach it
setattr (set_class,"call",set_call)
methods=[]
methods += [get_name,set_name]
setattr(module,'methods',methods)
-
git://git.onelab.eu / plcapi.git / blobdiff