Commit 069dcc86 authored by Iustin Pop's avatar Iustin Pop
Browse files

Enable LUQueryInstances to work with a given list of instances

As per the changes to LUQueryNodes, the QueryInstances LU is modified to
accept a list of instances for which to compute and return information.

Reviewed-by: imsnah
parent 4a72cc75
......@@ -2091,7 +2091,7 @@ class LUQueryInstances(NoHooksLU):
"""Logical unit for querying instances.
_OP_REQP = ["output_fields"]
_OP_REQP = ["output_fields", "names"]
def CheckPrereq(self):
"""Check prerequisites.
......@@ -2107,11 +2107,13 @@ class LUQueryInstances(NoHooksLU):
self.wanted = _GetWantedInstances(self, self.op.names)
def Exec(self, feedback_fn):
"""Computes the list of nodes and their attributes.
instance_names = utils.NiceSort(self.cfg.GetInstanceList())
instance_names = self.wanted
instance_list = [self.cfg.GetInstanceInfo(iname) for iname
in instance_names]
......@@ -202,7 +202,7 @@ class OpDeactivateInstanceDisks(OpCode):
class OpQueryInstances(OpCode):
"""Compute the list of instances."""
__slots__ = ["output_fields"]
__slots__ = ["output_fields", "names"]
class OpQueryInstanceData(OpCode):
......@@ -41,7 +41,7 @@ def ListInstances(opts, args):
selected_fields = opts.output.split(",")
op = opcodes.OpQueryInstances(output_fields=selected_fields)
op = opcodes.OpQueryInstances(output_fields=selected_fields, names=[])
output = SubmitOpCode(op)
if not opts.no_headers:
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