"""
-# pylint: disable-msg=R0904
+# pylint: disable=R0904
# R0904: Too many public methods
import os
return new_resource
+def _MatchNameComponentIgnoreCase(short_name, names):
+ """Wrapper around L{utils.text.MatchNameComponent}.
+
+ """
+ return utils.MatchNameComponent(short_name, names, case_sensitive=False)
+
+
class ConfigWriter:
"""The interface to the cluster configuration.
def GetNdParams(self, node):
"""Get the node params populated with cluster defaults.
- @type node: L{object.Node}
+ @type node: L{objects.Node}
@param node: The node we want to know the params for
@return: A dict with the filled in node params
configuration errors
"""
- # pylint: disable-msg=R0914
+ # pylint: disable=R0914
result = []
seen_macs = []
ports = {}
cluster.SimpleFillND(nodegroup.ndparams),
constants.NDS_PARAMETER_TYPES)
-
# drbd minors check
_, duplicates = self._UnlockedComputeDRBDMap()
for node, minor, instance_a, instance_b in duplicates:
return self._config_data.cluster.file_storage_dir
@locking.ssynchronized(_config_lock, shared=1)
+ def GetSharedFileStorageDir(self):
+ """Get the shared file storage dir for this cluster.
+
+ """
+ return self._config_data.cluster.shared_file_storage_dir
+
+ @locking.ssynchronized(_config_lock, shared=1)
def GetHypervisorType(self):
"""Get the hypervisor type for this cluster.
"""
return self._config_data.nodegroups.keys()
+ @locking.ssynchronized(_config_lock, shared=1)
+ def GetNodeGroupMembersByNodes(self, nodes):
+ """Get nodes which are member in the same nodegroups as the given nodes.
+
+ """
+ ngfn = lambda node_name: self._UnlockedGetNodeInfo(node_name).group
+ return frozenset(member_name
+ for node_name in nodes
+ for member_name in
+ self._UnlockedGetNodeGroup(ngfn(node_name)).members)
+
@locking.ssynchronized(_config_lock)
def AddInstance(self, instance, ec_id):
"""Add an instance to the config.
"""
return self._UnlockedGetInstanceList()
- @locking.ssynchronized(_config_lock, shared=1)
def ExpandInstanceName(self, short_name):
"""Attempt to expand an incomplete instance name.
"""
- return utils.MatchNameComponent(short_name,
- self._config_data.instances.keys(),
- case_sensitive=False)
+ # Locking is done in L{ConfigWriter.GetInstanceList}
+ return _MatchNameComponentIgnoreCase(short_name, self.GetInstanceList())
def _UnlockedGetInstanceInfo(self, instance_name):
"""Returns information about an instance.
return self._UnlockedGetInstanceInfo(instance_name)
@locking.ssynchronized(_config_lock, shared=1)
+ def GetInstanceNodeGroups(self, instance_name, primary_only=False):
+ """Returns set of node group UUIDs for instance's nodes.
+
+ @rtype: frozenset
+
+ """
+ instance = self._UnlockedGetInstanceInfo(instance_name)
+ if not instance:
+ raise errors.ConfigurationError("Unknown instance '%s'" % instance_name)
+
+ if primary_only:
+ nodes = [instance.primary_node]
+ else:
+ nodes = instance.all_nodes
+
+ return frozenset(self._UnlockedGetNodeInfo(node_name).group
+ for node_name in nodes)
+
+ @locking.ssynchronized(_config_lock, shared=1)
+ def GetMultiInstanceInfo(self, instances):
+ """Get the configuration of multiple instances.
+
+ @param instances: list of instance names
+ @rtype: list
+ @return: list of tuples (instance, instance_info), where
+ instance_info is what would GetInstanceInfo return for the
+ node, while keeping the original order
+
+ """
+ return [(name, self._UnlockedGetInstanceInfo(name)) for name in instances]
+
+ @locking.ssynchronized(_config_lock, shared=1)
def GetAllInstancesInfo(self):
"""Get the configuration of all instances.
self._config_data.cluster.serial_no += 1
self._WriteConfig()
- @locking.ssynchronized(_config_lock, shared=1)
def ExpandNodeName(self, short_name):
- """Attempt to expand an incomplete instance name.
+ """Attempt to expand an incomplete node name.
"""
- return utils.MatchNameComponent(short_name,
- self._config_data.nodes.keys(),
- case_sensitive=False)
+ # Locking is done in L{ConfigWriter.GetNodeList}
+ return _MatchNameComponentIgnoreCase(short_name, self.GetNodeList())
def _UnlockedGetNodeInfo(self, node_name):
"""Get the configuration of a node, as stored in the config.
sec.append(inst.name)
return (pri, sec)
+ @locking.ssynchronized(_config_lock, shared=1)
+ def GetNodeGroupInstances(self, uuid, primary_only=False):
+ """Get the instances of a node group.
+
+ @param uuid: Node group UUID
+ @param primary_only: Whether to only consider primary nodes
+ @rtype: frozenset
+ @return: List of instance names in node group
+
+ """
+ if primary_only:
+ nodes_fn = lambda inst: [inst.primary_node]
+ else:
+ nodes_fn = lambda inst: inst.all_nodes
+
+ return frozenset(inst.name
+ for inst in self._config_data.instances.values()
+ for node_name in nodes_fn(inst)
+ if self._UnlockedGetNodeInfo(node_name).group == uuid)
+
def _UnlockedGetNodeList(self):
"""Return the list of nodes which are in the configuration.
return [node.name for node in all_nodes if not node.vm_capable]
@locking.ssynchronized(_config_lock, shared=1)
+ def GetMultiNodeInfo(self, nodes):
+ """Get the configuration of multiple nodes.
+
+ @param nodes: list of node names
+ @rtype: list
+ @return: list of tuples of (node, node_info), where node_info is
+ what would GetNodeInfo return for the node, in the original
+ order
+
+ """
+ return [(name, self._UnlockedGetNodeInfo(name)) for name in nodes]
+
+ @locking.ssynchronized(_config_lock, shared=1)
def GetAllNodesInfo(self):
"""Get the configuration of all nodes.
self._config_data.nodegroups.values()]
nodegroups_data = fn(utils.NiceSort(nodegroups))
- return {
+ ssconf_values = {
constants.SS_CLUSTER_NAME: cluster.cluster_name,
constants.SS_CLUSTER_TAGS: cluster_tags,
constants.SS_FILE_STORAGE_DIR: cluster.file_storage_dir,
+ constants.SS_SHARED_FILE_STORAGE_DIR: cluster.shared_file_storage_dir,
constants.SS_MASTER_CANDIDATES: mc_data,
constants.SS_MASTER_CANDIDATES_IPS: mc_ips_data,
constants.SS_MASTER_IP: cluster.master_ip,
constants.SS_UID_POOL: uid_pool,
constants.SS_NODEGROUPS: nodegroups_data,
}
+ bad_values = [(k, v) for k, v in ssconf_values.items()
+ if not isinstance(v, (str, basestring))]
+ if bad_values:
+ err = utils.CommaJoin("%s=%s" % (k, v) for k, v in bad_values)
+ raise errors.ConfigurationError("Some ssconf key(s) have non-string"
+ " values: %s" % err)
+ return ssconf_values
@locking.ssynchronized(_config_lock, shared=1)
def GetSsconfValues(self):