set svn:keywords property for proper keywords expansion

[plcapi.git] / PLC / Nodes.py

diff --git a/PLC/Nodes.py b/PLC/Nodes.py
index 16c63cb..87f0d1c 100644 (file)
--- a/PLC/Nodes.py
+++ b/PLC/Nodes.py
@@ -4,7 +4,7 @@
 # Mark Huang <mlhuang@cs.princeton.edu>
 # Copyright (C) 2006 The Trustees of Princeton University
 #
 # Mark Huang <mlhuang@cs.princeton.edu>
 # Copyright (C) 2006 The Trustees of Princeton University
 #

-# $Id: Nodes.py,v 1.15 2006/10/27 15:32:43 mlhuang Exp $
+# $Id$

 #
 
 from types import StringTypes
 #
 
 from types import StringTypes


@@ -12,6 +12,7 @@ import re
 
 from PLC.Faults import *
 from PLC.Parameter import Parameter
 
 from PLC.Faults import *
 from PLC.Parameter import Parameter

+from PLC.Filter import Filter

 from PLC.Debug import profile
 from PLC.Table import Row, Table
 from PLC.NodeNetworks import NodeNetwork, NodeNetworks
 from PLC.Debug import profile
 from PLC.Table import Row, Table
 from PLC.NodeNetworks import NodeNetwork, NodeNetworks


@@ -37,6 +38,8 @@ class Node(Row):
 
     table_name = 'nodes'
     primary_key = 'node_id'
 
     table_name = 'nodes'
     primary_key = 'node_id'

+    # Thierry -- we use delete on nodenetworks so the related NodeNetworkSettings get deleted too
+    join_tables = ['nodegroup_node', 'conf_file_node', 'pcu_node', 'slice_node', 'slice_attribute', 'node_session', 'peer_node','node_slice_whitelist']

     fields = {
         'node_id': Parameter(int, "Node identifier"),
         'hostname': Parameter(str, "Fully qualified hostname", max = 255),
     fields = {
         'node_id': Parameter(int, "Node identifier"),
         'hostname': Parameter(str, "Fully qualified hostname", max = 255),


@@ -48,89 +51,130 @@ class Node(Row):
         'ssh_rsa_key': Parameter(str, "Last known SSH host key", max = 1024),
         'date_created': Parameter(int, "Date and time when node entry was created", ro = True),
         'last_updated': Parameter(int, "Date and time when node entry was created", ro = True),
         'ssh_rsa_key': Parameter(str, "Last known SSH host key", max = 1024),
         'date_created': Parameter(int, "Date and time when node entry was created", ro = True),
         'last_updated': Parameter(int, "Date and time when node entry was created", ro = True),

+       'last_contact': Parameter(int, "Date and time when node last contacted plc", ro = True), 

         'key': Parameter(str, "(Admin only) Node key", max = 256),
         'session': Parameter(str, "(Admin only) Node session value", max = 256, ro = True),
         'key': Parameter(str, "(Admin only) Node key", max = 256),
         'session': Parameter(str, "(Admin only) Node session value", max = 256, ro = True),

-        'nodenetwork_ids': Parameter([int], "List of network interfaces that this node has", ro = True),
-        'nodegroup_ids': Parameter([int], "List of node groups that this node is in", ro = True),
-        'conf_file_ids': Parameter([int], "List of configuration files specific to this node", ro = True),
-        # 'root_person_ids': Parameter([int], "(Admin only) List of people who have root access to this node", ro = True),
-        'slice_ids': Parameter([int], "List of slices on this node", ro = True),
-        'pcu_ids': Parameter([int], "List of PCUs that control this node", ro = True),
-        'ports': Parameter([int], "List of PCU ports that this node is connected to", ro = True),
+        'nodenetwork_ids': Parameter([int], "List of network interfaces that this node has"),
+        'nodegroup_ids': Parameter([int], "List of node groups that this node is in"),
+        'conf_file_ids': Parameter([int], "List of configuration files specific to this node"),
+        # 'root_person_ids': Parameter([int], "(Admin only) List of people who have root access to this node"),
+        'slice_ids': Parameter([int], "List of slices on this node"),
+       'slice_ids_whitelist': Parameter([int], "List of slices allowed on this node"),
+        'pcu_ids': Parameter([int], "List of PCUs that control this node"),
+        'ports': Parameter([int], "List of PCU ports that this node is connected to"),
+        'peer_id': Parameter(int, "Peer to which this node belongs", nullok = True),
+        'peer_node_id': Parameter(int, "Foreign node identifier at peer", nullok = True),

         }
 
         }
 

+    # for Cache
+    class_key = 'hostname'
+    foreign_fields = ['boot_state','model','version']
+    # forget about these ones, they are read-only anyway
+    # handling them causes Cache to re-sync all over again 
+    # 'date_created','last_updated'
+    foreign_xrefs = [
+       # in this case, we dont need the 'table' but Cache will look it up, so...
+        {'field' : 'site_id' , 'class' : 'Site' , 'table' : 'unused-on-direct-refs' } ,
+       ]
+

     def validate_hostname(self, hostname):
         if not valid_hostname(hostname):
             raise PLCInvalidArgument, "Invalid hostname"
 
         conflicts = Nodes(self.api, [hostname])
     def validate_hostname(self, hostname):
         if not valid_hostname(hostname):
             raise PLCInvalidArgument, "Invalid hostname"
 
         conflicts = Nodes(self.api, [hostname])

-        for node_id, node in conflicts.iteritems():
-            if 'node_id' not in self or self['node_id'] != node_id:
+        for node in conflicts:
+            if 'node_id' not in self or self['node_id'] != node['node_id']:

                 raise PLCInvalidArgument, "Hostname already in use"
 
         return hostname
 
     def validate_boot_state(self, boot_state):
                 raise PLCInvalidArgument, "Hostname already in use"
 
         return hostname
 
     def validate_boot_state(self, boot_state):

-        if boot_state not in BootStates(self.api):
+        boot_states = [row['boot_state'] for row in BootStates(self.api)]
+        if boot_state not in boot_states:

             raise PLCInvalidArgument, "Invalid boot state"
 
         return boot_state
 
             raise PLCInvalidArgument, "Invalid boot state"
 
         return boot_state
 

+    validate_date_created = Row.validate_timestamp
+    validate_last_updated = Row.validate_timestamp
+    validate_last_contact = Row.validate_timestamp
+
+    def update_last_contact(self, commit = True):
+       """
+       Update last_contact field with current time
+       """
+       
+       assert 'node_id' in self
+       assert self.table_name
+
+       self.api.db.do("UPDATE %s SET last_contact = CURRENT_TIMESTAMP " % (self.table_name) + \
+                      " where node_id = %d" % ( self['node_id']) )
+       self.sync(commit)
+
+
+    def update_last_updated(self, commit = True):
+        """
+        Update last_updated field with current time
+        """
+
+        assert 'node_id' in self
+        assert self.table_name
+
+        self.api.db.do("UPDATE %s SET last_updated = CURRENT_TIMESTAMP " % (self.table_name) + \
+                       " where node_id = %d" % (self['node_id']) )
+        self.sync(commit)
+

     def delete(self, commit = True):
         """
         Delete existing node.
         """
 
         assert 'node_id' in self
     def delete(self, commit = True):
         """
         Delete existing node.
         """
 
         assert 'node_id' in self

+       assert 'nodenetwork_ids' in self

 
 

-        # Delete all nodenetworks
-        nodenetworks = NodeNetworks(self.api, self['nodenetwork_ids'])
-        for nodenetwork in nodenetworks.values():
-            nodenetwork.delete(commit = False)
+       # we need to clean up NodeNetworkSettings, so handling nodenetworks as part of join_tables does not work
+       for nodenetwork in NodeNetworks(self.api,self['nodenetwork_ids']):
+           nodenetwork.delete()

 
         # Clean up miscellaneous join tables
 
         # Clean up miscellaneous join tables

-        for table in ['nodegroup_node', 'slice_node', 'slice_attribute', 'node_session']:
-            self.api.db.do("DELETE FROM %s" \
-                           " WHERE node_id = %d" % \
+        for table in self.join_tables:
+            self.api.db.do("DELETE FROM %s WHERE node_id = %d" % \

                            (table, self['node_id']))
 
         # Mark as deleted
         self['deleted'] = True
         self.sync(commit)
 
                            (table, self['node_id']))
 
         # Mark as deleted
         self['deleted'] = True
         self.sync(commit)
 

+

 class Nodes(Table):
     """
     Representation of row(s) from the nodes table in the
     database.
     """
 
 class Nodes(Table):
     """
     Representation of row(s) from the nodes table in the
     database.
     """
 

-    def __init__(self, api, node_id_or_hostname_list = None):
-        self.api = api
+    def __init__(self, api, node_filter = None, columns = None):
+        Table.__init__(self, api, Node, columns)

 
         sql = "SELECT %s FROM view_nodes WHERE deleted IS False" % \
 
         sql = "SELECT %s FROM view_nodes WHERE deleted IS False" % \

-              ", ".join(Node.fields)
-
-        if node_id_or_hostname_list:
-            # Separate the list into integers and strings
-            node_ids = filter(lambda node_id: isinstance(node_id, (int, long)),
-                              node_id_or_hostname_list)
-            hostnames = filter(lambda hostname: isinstance(hostname, StringTypes),
-                               node_id_or_hostname_list)
-            sql += " AND (False"
-            if node_ids:
-                sql += " OR node_id IN (%s)" % ", ".join(map(str, node_ids))
-            if hostnames:
-                sql += " OR hostname IN (%s)" % ", ".join(api.db.quote(hostnames)).lower()
-            sql += ")"
-
-        rows = self.api.db.selectall(sql)
-
-        for row in rows:
-            self[row['node_id']] = node = Node(api, row)
-            for aggregate in ['nodenetwork_ids', 'nodegroup_ids',
-                              'conf_file_ids', 'root_person_ids', 'slice_ids',
-                              'pcu_ids']:
-                if not node.has_key(aggregate) or node[aggregate] is None:
-                    node[aggregate] = []
-                else:
-                    node[aggregate] = map(int, node[aggregate].split(','))
+              ", ".join(self.columns)
+
+        if node_filter is not None:
+            if isinstance(node_filter, (list, tuple, set)):
+                # Separate the list into integers and strings
+                ints = filter(lambda x: isinstance(x, (int, long)), node_filter)
+                strs = filter(lambda x: isinstance(x, StringTypes), node_filter)
+                node_filter = Filter(Node.fields, {'node_id': ints, 'hostname': strs})
+                sql += " AND (%s) %s" % node_filter.sql(api, "OR")
+            elif isinstance(node_filter, dict):
+                node_filter = Filter(Node.fields, node_filter)
+                sql += " AND (%s) %s" % node_filter.sql(api, "AND")
+            elif isinstance (node_filter, StringTypes):
+                node_filter = Filter(Node.fields, {'hostname':[node_filter]})
+                sql += " AND (%s) %s" % node_filter.sql(api, "AND")
+            elif isinstance (node_filter, int):
+                node_filter = Filter(Node.fields, {'node_id':[node_filter]})
+                sql += " AND (%s) %s" % node_filter.sql(api, "AND")
+            else:
+                raise PLCInvalidArgument, "Wrong node filter %r"%node_filter
+
+        self.selectall(sql)