X-Git-Url: https://code.grnet.gr/git/ganeti-local/blobdiff_plain/65a6f9b7bf490d761d4631c5d6ddeb1c1260a921..97b40f39d75679418c8f6739331ffefeff1f3ce0:/lib/hypervisor/__init__.py

diff --git a/lib/hypervisor/__init__.py b/lib/hypervisor/__init__.py
index 639d0cf..e1b39ba 100644
--- a/lib/hypervisor/__init__.py
+++ b/lib/hypervisor/__init__.py
@@ -23,28 +23,53 @@
 
 """
 
-from ganeti import ssconf
 from ganeti import constants
 from ganeti import errors
 
-from ganeti.hypervisor import FakeHypervisor
-from ganeti.hypervisor import XenHypervisor
+from ganeti.hypervisor import hv_fake
+from ganeti.hypervisor import hv_xen
+from ganeti.hypervisor import hv_kvm
+from ganeti.hypervisor import hv_chroot
+from ganeti.hypervisor import hv_lxc
 
 
-def GetHypervisor():
-  """Return a Hypervisor instance.
+_HYPERVISOR_MAP = {
+  constants.HT_XEN_PVM: hv_xen.XenPvmHypervisor,
+  constants.HT_XEN_HVM: hv_xen.XenHvmHypervisor,
+  constants.HT_FAKE: hv_fake.FakeHypervisor,
+  constants.HT_KVM: hv_kvm.KVMHypervisor,
+  constants.HT_CHROOT: hv_chroot.ChrootManager,
+  constants.HT_LXC: hv_lxc.LXCHypervisor,
+  }
+
+
+def GetHypervisorClass(ht_kind):
+  """Return a Hypervisor class.
+
+  This function returns the hypervisor class corresponding to the
+  given hypervisor name.
 
-  This function parses the cluster hypervisor configuration file and
-  instantiates a class based on the value of this file.
+  @type ht_kind: string
+  @param ht_kind: The requested hypervisor type
 
   """
-  ht_kind = ssconf.SimpleStore().GetHypervisorType()
-  if ht_kind == constants.HT_XEN_PVM30:
-    cls = XenHypervisor.XenPvmHypervisor
-  elif ht_kind == constants.HT_XEN_HVM31:
-    cls = XenHypervisor.XenHvmHypervisor
-  elif ht_kind == constants.HT_FAKE:
-    cls = FakeHypervisor.FakeHypervisor
-  else:
+  if ht_kind not in _HYPERVISOR_MAP:
     raise errors.HypervisorError("Unknown hypervisor type '%s'" % ht_kind)
+
+  cls = _HYPERVISOR_MAP[ht_kind]
+  return cls
+
+
+def GetHypervisor(ht_kind):
+  """Return a Hypervisor instance.
+
+  This is a wrapper over L{GetHypervisorClass} which returns an
+  instance of the class.
+
+  @type ht_kind: string
+  @param ht_kind: The requested hypervisor type
+
+  """
+  cls = GetHypervisorClass(ht_kind)
+
   return cls()