#
import re
-
from types import StringTypes
+from urlparse import urlparse
from PLC.Faults import *
-from PLC.Parameter import Parameter
+from PLC.Parameter import Parameter, Mixed
from PLC.Filter import Filter
from PLC.Table import Row, Table
+import PLC.Auth
-from PLC.ForeignNodes import ForeignNodes,ForeignNode
+from PLC.Sites import Site, Sites
+from PLC.Persons import Person, Persons
+from PLC.Keys import Key, Keys
+from PLC.Nodes import Node, Nodes
+from PLC.SliceAttributeTypes import SliceAttributeType, SliceAttributeTypes
+from PLC.SliceAttributes import SliceAttribute, SliceAttributes
+from PLC.Slices import Slice, Slices
-class Peer (Row):
+class Peer(Row):
"""
Stores the list of peering PLCs in the peers table.
See the Row class for more details
table_name = 'peers'
primary_key = 'peer_id'
fields = {
- 'peer_id' : Parameter (int, "Peer identifier"),
- 'peername' : Parameter (str, "Peer name"),
- 'peer_url' : Parameter (str, "Peer API url"),
- 'person_id' : Parameter (int, "Person_id of the account storing credentials - temporary"),
- 'node_ids' : Parameter ([int], "This peer's nodes ids")
+ 'peer_id': Parameter (int, "Peer identifier"),
+ 'peername': Parameter (str, "Peer name"),
+ 'peer_url': Parameter (str, "Peer API URL"),
+ 'key': Parameter(str, "Peer GPG public key"),
+ 'cacert': Parameter(str, "Peer SSL public certificate"),
+ ### cross refs
+ 'site_ids': Parameter([int], "List of sites for this peer is authoritative"),
+ 'person_ids': Parameter([int], "List of users for this peer is authoritative"),
+ 'key_ids': Parameter([int], "List of keys for which this peer is authoritative"),
+ 'node_ids': Parameter([int], "List of nodes for which this peer is authoritative"),
+ 'attribute_type_ids': Parameter([int], "List of slice attribute types for which this peer is authoritative"),
+ 'slice_attribute_ids': Parameter([int], "List of slice attributes for which this peer is authoritative"),
+ 'slice_ids': Parameter([int], "List of slices for which this peer is authoritative"),
}
- def validate_peer_url (self, url):
+ def validate_peer_url(self, url):
"""
- Validate URL, checks it looks like https
+ Validate URL. Must be HTTPS.
"""
- invalid_url = PLCInvalidArgument("Invalid URL")
- if not re.compile ("^https://.*$").match(url) :
- raise invalid_url
- return url
- def manage_node (self, foreign_node, add_if_true_del_if_false=True, commit=True):
- """
- Add foreign node to a peer
- """
+ (scheme, netloc, path, params, query, fragment) = urlparse(url)
+ if scheme != "https":
+ raise PLCInvalidArgument, "Peer URL scheme must be https"
- assert 'peer_id' in self
- assert 'node_id' in foreign_node
-
- peer_id = self['peer_id']
- node_id = foreign_node ['node_id']
-
- if add_if_true_del_if_false:
- ### ADDING
- sql = "INSERT INTO peer_node VALUES (%d,%d)" % (peer_id,node_id)
- self.api.db.do(sql)
- if self['node_ids'] is None:
- self['node_ids']=[node_id,]
- self['node_ids'].append(node_id)
- ### DELETING
- else:
- sql = "DELETE FROM peer_node WHERE peer_id=%d AND node_id=%d" % (peer_id,node_id)
- self.api.db.do(sql)
- self['node_ids'].remove(node_id)
-
- if commit:
- self.api.db.commit()
-
- def refresh_nodes (self, current_peer_nodes):
- """
- refreshes the foreign_nodes and peer_node tables
- expected input is the current list of nodes as returned by GetNodes
-
- returns the number of new nodes on this peer (can be negative)
- """
+ return url
- peer_id = self['peer_id']
-
- # we get the whole table just in case
- # a host would have switched from one plc to the other
- local_foreign_nodes = ForeignNodes (self.api)
- # new to index it by hostname for searching later
- local_foreign_nodes.hostname_index()
-
- ### mark entries for this peer outofdate
- old_count=0;
- for foreign_node in local_foreign_nodes:
- if foreign_node['peer_id'] == peer_id:
- foreign_node.uptodate=False
- old_count += 1
-
- ### these fields get copied through
- ### xxx need to figure how to revert unix timestamp to db timestamp format
- remote_fields = ['boot_state','model','version','date_created','last_updated']
-
-
- ### scan the new entries, and mark them uptodate
- for node in current_peer_nodes:
- hostname = node['hostname']
- try:
- foreign_node = local_foreign_nodes.hostname_locate(hostname)
- if foreign_node['peer_id'] != peer_id:
- ### the node has changed its plc, needs to update peer_node
- old_peer_id = foreign_node['peer_id']
- old_peers=Peers(self.api,[peer_id])
- assert old_peer[0]
- old_peers[0].manage_node(foreign_node,False)
- self.manage_node(foreign_node,True)
- foreign_node['peer_id'] = peer_id
- ### update it anyway: copy other relevant fields
- for field in remote_fields:
- foreign_node[field]=node[field]
- # this row is now valid
- foreign_node.uptodate=True
- foreign_node.sync()
- except:
- new_foreign_node = ForeignNode(self.api, {'hostname':hostname})
- for field in remote_fields:
- new_foreign_node[field]=node[field]
- ### need to sync so we get a node_id
- new_foreign_node.sync()
- new_foreign_node.uptodate = True
- self.manage_node(new_foreign_node,True)
- local_foreign_nodes.hostname_add_by(new_foreign_node)
-
-
- ### delete entries that are not uptodate
- for foreign_node in local_foreign_nodes:
- if not foreign_node.uptodate:
- foreign_node.delete()
-
- return len(current_peer_nodes)-old_count
-
-
- def delete (self, commit=True):
+ def delete(self, commit = True):
"""
- Delete peer
+ Deletes this peer and all related entities.
"""
-
+
assert 'peer_id' in self
+ # Remove all related entities
+ for obj in \
+ Sites(self.api, self['site_ids']) + \
+ Persons(self.api, self['person_ids']) + \
+ Keys(self.api, self['key_ids']) + \
+ Nodes(self.api, self['node_ids']) + \
+ SliceAttributeTypes(self.api, self['attribute_type_ids']) + \
+ SliceAttributes(self.api, self['slice_attribute_ids']) + \
+ Slices(self.api, self['slice_ids']):
+ assert obj['peer_id'] == self['peer_id']
+ obj.delete(commit = False)
+
+ # Mark as deleted
self['deleted'] = True
self.sync(commit)
+ def connect(self, **kwds):
+ """
+ Connect to this peer via XML-RPC.
+ """
+
+ import xmlrpclib
+ from PLC.PyCurl import PyCurlTransport
+ self.server = xmlrpclib.ServerProxy(self['peer_url'],
+ PyCurlTransport(self['peer_url'], self['cacert']),
+ allow_none = 1, **kwds)
+
+ def add_auth(self, function, methodname, **kwds):
+ """
+ Sign the specified XML-RPC call and add an auth struct as the
+ first argument of the call.
+ """
+
+ def wrapper(*args, **kwds):
+ from PLC.GPG import gpg_sign
+ signature = gpg_sign(methodname, args,
+ self.api.config.PLC_ROOT_GPG_KEY,
+ self.api.config.PLC_ROOT_GPG_KEY_PUB)
+
+ auth = {'AuthMethod': "gpg",
+ 'name': self.api.config.PLC_NAME,
+ 'signature': signature}
+
+ # Automagically add auth struct to every call
+ args = (auth,) + args
+
+ return function(*args)
+
+ return wrapper
+
+ def __getattr__(self, methodname):
+ """
+ Fetch a callable for the specified method.
+ """
+
+ function = getattr(self.server, methodname)
+
+ try:
+ # Figure out if the function is a PLCAPI function and
+ # requires an authentication structure as its first
+ # argument.
+ api_function = self.api.callable(methodname)
+ if api_function.accepts and \
+ (isinstance(api_function.accepts[0], PLC.Auth.Auth) or \
+ (isinstance(api_function.accepts[0], Mixed) and \
+ filter(lambda param: isinstance(param, Auth), func.accepts[0]))):
+ function = self.add_auth(function, methodname)
+ except Exception, err:
+ pass
+
+ return function
+
class Peers (Table):
"""
Maps to the peers table in the database
git://git.onelab.eu / plcapi.git / blobdiff