def save_vm(vm_name, hostname='.'):
conn = create_virt_conn(hostname)
vm = get_vm(vm_name, hostname)
# get the current state of the VM
current_state = get_vm_state(vm_name, hostname)
print current_state
if current_state == VM_STATE_RUNNING:
job_path, requested_state = vm.RequestStateChange(VM_STATE_SAVED)
elif current_state == VM_STATE_SAVED:
return True
else:
return False
if requested_state == STATE_CODE_STARTED:
if utils.job_completed(job_path):
print vm_name, "saved."
return True
else:
print vm_name, "failed to save."
else:
print "cannot change", vm_name, "to saved."
return False
def add_kvp_item(kvp_key, kvp_value, vm_name, hostname='.'):
# http://blogs.msdn.com/b/taylorb/archive/2008/07/06/hyper-v-wmi-kvp-exchange-aka-data-exchange-adding-new-items-from-parent-host.aspx
conn = create_virt_conn(hostname)
vm = get_vm(vm_name, hostname)
kvps = vm.associators("Msvm_SystemDevice", wmi_result_class="Msvm_KvpExchangeComponent")
vmms = get_vmms(hostname)
data_item = conn.Msvm_KvpExchangeDataItem.new()
data_item.Name = kvp_key
data_item.Data = kvp_value
data_item.Source = 0
job_path, ret_val = vmms.AddKvpItems(TargetSystem=vm.path_(), DataItems=[data_item.GetText_(1)])
if ret_val == STATE_CODE_STARTED:
if utils.job_completed(job_path):
print vm_name, " KVP item added."
return True
else:
print vm_name, "failed to add KVP item, code:", ret_val
else:
print "Cannot add KVP item"
return False
def remove_kvp_item(kvp_key, vm_name, hostname='.'):
conn = create_virt_conn(hostname)
vm = get_vm(vm_name, hostname)
kvps = vm.associators("Msvm_SystemDevice", wmi_result_class="Msvm_KvpExchangeComponent")
vmms = get_vmms(hostname)
data_item = conn.Msvm_KvpExchangeDataItem.new()
data_item.Name = kvp_key
data_item.Data = ''
data_item.Source = 0
job_path, ret_val = vmms.RemoveKvpItems(TargetSystem=vm.path_(), DataItems=[data_item.GetText_(1)])
if ret_val == STATE_CODE_STARTED:
if utils.job_completed(job_path):
print vm_name, " KVP item removed."
return True
else:
print vm_name, "failed to remove KVP item, code:", ret_val
else:
print "Cannot remove KVP item"
return False
def save_vm(vm_name, hostname='.'):
conn = create_virt_conn(hostname)
vm = get_vm(vm_name, hostname)
# get the current state of the VM
current_state = get_vm_state(vm_name, hostname)
print current_state
if current_state == VM_STATE_RUNNING:
job_path, requested_state = vm.RequestStateChange(VM_STATE_SAVED)
elif current_state == VM_STATE_SAVED:
return True
else:
return False
if requested_state == STATE_CODE_STARTED:
if utils.job_completed(job_path):
print vm_name, "saved."
return True
else:
print vm_name, "failed to save."
else:
print "cannot change", vm_name, "to saved."
return False
def revert_to_snapshot(snapshot_name, vm_name, hostname='.'):
conn = create_virt_conn(hostname)
snapshot_service = get_snapshot_service(hostname)
vm = get_vm(vm_name, hostname)
snapshots = vm.associators(wmi_result_class="Msvm_VirtualSystemSettingData")
for s in snapshots:
if s.ElementName == snapshot_name:
# snapshot found, reverting...
snapshot = s
print 'Reverting to snapshot "%s"' % snapshot_name
job_path, ret = snapshot_service.ApplySnapshot(Snapshot=snapshot.path_())
if ret == STATE_CODE_STARTED:
if utils.job_completed(job_path):
print 'VM "%s" reverted to snapshot "%s"' % (vm_name, snapshot_name)
else:
print 'VM "%s" failed to revert to snapshot "%s"' % (vm_name, snapshot_name)
# return now since we found the correct snapshot object
return True
else:
continue
return False
def remove_kvp_item(kvp_key, vm_name, hostname='.'):
conn = create_virt_conn(hostname)
vm = get_vm(vm_name, hostname)
kvps = vm.associators("Msvm_SystemDevice",
wmi_result_class="Msvm_KvpExchangeComponent")
vmms = get_vmms(hostname)
data_item = conn.Msvm_KvpExchangeDataItem.new()
data_item.Name = kvp_key
data_item.Data = ''
data_item.Source = 0
job_path, ret_val = vmms.RemoveKvpItems(TargetSystem=vm.path_(),
DataItems=[data_item.GetText_(1)])
if ret_val == STATE_CODE_STARTED:
if utils.job_completed(job_path):
print vm_name, " KVP item removed."
return True
else:
print vm_name, "failed to remove KVP item, code:", ret_val
else:
print "Cannot remove KVP item"
return False
def add_kvp_item(kvp_key, kvp_value, vm_name, hostname='.'):
# http://blogs.msdn.com/b/taylorb/archive/2008/07/06/hyper-v-wmi-kvp-exchange-aka-data-exchange-adding-new-items-from-parent-host.aspx
conn = create_virt_conn(hostname)
vm = get_vm(vm_name, hostname)
kvps = vm.associators("Msvm_SystemDevice",
wmi_result_class="Msvm_KvpExchangeComponent")
vmms = get_vmms(hostname)
data_item = conn.Msvm_KvpExchangeDataItem.new()
data_item.Name = kvp_key
data_item.Data = kvp_value
data_item.Source = 0
job_path, ret_val = vmms.AddKvpItems(TargetSystem=vm.path_(),
DataItems=[data_item.GetText_(1)])
if ret_val == STATE_CODE_STARTED:
if utils.job_completed(job_path):
print vm_name, " KVP item added."
return True
else:
print vm_name, "failed to add KVP item, code:", ret_val
else:
print "Cannot add KVP item"
return False
def revert_to_snapshot(snapshot_name, vm_name, hostname='.'):
conn = create_virt_conn(hostname)
snapshot_service = get_snapshot_service(hostname)
vm = get_vm(vm_name, hostname)
snapshots = vm.associators(
wmi_result_class="Msvm_VirtualSystemSettingData")
for s in snapshots:
if s.ElementName == snapshot_name:
# snapshot found, reverting...
snapshot = s
print 'Reverting to snapshot "%s"' % snapshot_name
job_path, ret = snapshot_service.ApplySnapshot(
Snapshot=snapshot.path_())
if ret == STATE_CODE_STARTED:
if utils.job_completed(job_path):
print 'VM "%s" reverted to snapshot "%s"' % (vm_name,
snapshot_name)
else:
print 'VM "%s" failed to revert to snapshot "%s"' % (
vm_name, snapshot_name)
# return now since we found the correct snapshot object
return True
else:
continue
return False
def stop_vm(vm_name, hostname='.'):
conn = create_virt_conn(hostname)
vm = get_vm(vm_name, hostname)
current_state = get_vm_state(vm_name, hostname)
print current_state
if current_state != VM_STATE_OFF:
job_path, ret = vm.RequestStateChange(VM_STATE_OFF)
if ret == STATE_CODE_STARTED:
if utils.job_completed(job_path):
print vm_name, "stopped."
return True
else:
print vm_name, "failed to stop."
else:
print "Cannot turn off VM"
return False
def stop_vm(vm_name, hostname='.'):
conn = create_virt_conn(hostname)
vm = get_vm(vm_name, hostname)
current_state = get_vm_state(vm_name, hostname)
print current_state
if current_state != VM_STATE_OFF:
job_path, ret = vm.RequestStateChange(VM_STATE_OFF)
if ret == STATE_CODE_STARTED:
if utils.job_completed(job_path):
print vm_name, "stopped."
return True
else:
print vm_name, "failed to stop."
else:
print "Cannot turn off VM"
return False
