This variable can be used by other tools to determine in a generic way
whether a given hypervisor supports migration or not.
---
lib/hypervisor/hv_base.py | 4 ++++
lib/hypervisor/hv_fake.py | 2 ++
lib/hypervisor/hv_kvm.py | 1 +
lib/hypervisor/hv_xen.py | 1 +
4 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/lib/hypervisor/hv_base.py b/lib/hypervisor/hv_base.py
index af7aa95..96e688f 100644
--- a/lib/hypervisor/hv_base.py
+++ b/lib/hypervisor/hv_base.py
@@ -101,10 +101,14 @@ class BaseHypervisor(object):
- a function to check for parameter validity on the remote node,
in the L{ValidateParameters} function
- an error message for the above function
+ @type CAN_MIGRATE: boolean
+ @cvar CAN_MIGRATE: whether this hypervisor can do migration (either
+ live or non-live)
"""
PARAMETERS = {}
ANCILLARY_FILES = []
+ CAN_MIGRATE = False
def __init__(self):
pass
diff --git a/lib/hypervisor/hv_fake.py b/lib/hypervisor/hv_fake.py
index cea05d6..a97bebe 100644
--- a/lib/hypervisor/hv_fake.py
+++ b/lib/hypervisor/hv_fake.py
@@ -40,6 +40,8 @@ class FakeHypervisor(hv_base.BaseHypervisor):
a real virtualisation software installed.
"""
+ CAN_MIGRATE = True
+
_ROOT_DIR = constants.RUN_DIR + "/ganeti-fake-hypervisor"
def __init__(self):
diff --git a/lib/hypervisor/hv_kvm.py b/lib/hypervisor/hv_kvm.py
index fd36efe..5e666e8 100644
--- a/lib/hypervisor/hv_kvm.py
+++ b/lib/hypervisor/hv_kvm.py
@@ -42,6 +42,7 @@ from ganeti.hypervisor import hv_base
class KVMHypervisor(hv_base.BaseHypervisor):
"""KVM hypervisor interface"""
+ CAN_MIGRATE = True
_ROOT_DIR = constants.RUN_GANETI_DIR + "/kvm-hypervisor"
_PIDS_DIR = _ROOT_DIR + "/pid" # contains live instances pids
diff --git a/lib/hypervisor/hv_xen.py b/lib/hypervisor/hv_xen.py
index 575e3b9..a281e6a 100644
--- a/lib/hypervisor/hv_xen.py
+++ b/lib/hypervisor/hv_xen.py
@@ -39,6 +39,7 @@ class XenHypervisor(hv_base.BaseHypervisor):
all the functionality that is identical for both.
"""
+ CAN_MIGRATE = True
REBOOT_RETRY_COUNT = 60
REBOOT_RETRY_INTERVAL = 10
--
1.7.0.4
--
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