priv_key, pub_key, auth_keys = ssh.GetUserFiles(constants.GANETI_RUNAS,
mkdir=True)
except errors.OpExecError, err:
- logging.exception("Error while processing user ssh files")
- return False
+ msg = "Error while processing user ssh files"
+ logging.exception(msg)
+ return (False, "%s: %s" % (msg, err))
for name, content in [(priv_key, sshkey), (pub_key, sshpub)]:
utils.WriteFile(name, data=content, mode=0600)
utils.RunCmd([constants.SSH_INITD_SCRIPT, "restart"])
- return True
+ return (True, "Node added successfully")
def LeaveCluster():
result[constants.NV_VGLIST] = ListVolumeGroups()
if constants.NV_VERSION in what:
- result[constants.NV_VERSION] = constants.PROTOCOL_VERSION
+ result[constants.NV_VERSION] = (constants.PROTOCOL_VERSION,
+ constants.RELEASE_VERSION)
if constants.NV_HVINFO in what:
hyper = hypervisor.GetHypervisor(what[constants.NV_HVINFO])
result[constants.NV_HVINFO] = hyper.GetNodeInfo()
+ if constants.NV_DRBDLIST in what:
+ try:
+ used_minors = bdev.DRBD8.GetUsedDevs().keys()
+ except errors.BlockDeviceError:
+ logging.warning("Can't get used minors list", exc_info=True)
+ used_minors = []
+ result[constants.NV_DRBDLIST] = used_minors
+
return result
logging.error("os create command '%s' returned error: %s, logfile: %s,"
" output: %s", result.cmd, result.fail_reason, logfile,
result.output)
- return False
+ lines = [utils.SafeEncode(val)
+ for val in utils.TailFile(logfile, lines=20)]
+ return (False, "OS create script failed (%s), last lines in the"
+ " log file:\n%s" % (result.fail_reason, "\n".join(lines)))
- return True
+ return (True, "Successfully installed")
def RunRenameInstance(instance, old_name):
if result.failed:
logging.error("os create command '%s' returned error: %s output: %s",
result.cmd, result.fail_reason, result.output)
- return False
+ lines = [utils.SafeEncode(val)
+ for val in utils.TailFile(logfile, lines=20)]
+ return (False, "OS rename script failed (%s), last lines in the"
+ " log file:\n%s" % (result.fail_reason, "\n".join(lines)))
- return True
+ return (True, "Rename successful")
def _GetVGInfo(vg_name):
running_instances = GetInstanceList([instance.hypervisor])
if instance.name in running_instances:
- return True
+ return (True, "Already running")
try:
block_devices = _GatherAndLinkBlockDevs(instance)
hyper.StartInstance(instance, block_devices, extra_args)
except errors.BlockDeviceError, err:
logging.exception("Failed to start instance")
- return False
+ return (False, "Block device error: %s" % str(err))
except errors.HypervisorError, err:
logging.exception("Failed to start instance")
_RemoveBlockDevLinks(instance.name, instance.disks)
- return False
+ return (False, "Hypervisor error: %s" % str(err))
- return True
+ return (True, "Instance started successfully")
def ShutdownInstance(instance):
try:
hyper.StopInstance(instance)
except errors.HypervisorError, err:
- logging.error("Failed to stop instance")
+ logging.error("Failed to stop instance: %s" % err)
return False
# test every 10secs for 2min
time.sleep(10)
else:
# the shutdown did not succeed
- logging.error("shutdown of '%s' unsuccessful, using destroy", instance)
+ logging.error("Shutdown of '%s' unsuccessful, using destroy",
+ instance.name)
try:
hyper.StopInstance(instance, force=True)
except errors.HypervisorError, err:
- logging.exception("Failed to stop instance")
+ logging.exception("Failed to stop instance: %s" % err)
return False
time.sleep(1)
if instance.name in GetInstanceList([hv_name]):
- logging.error("could not shutdown instance '%s' even by destroy",
+ logging.error("Could not shutdown instance '%s' even by destroy",
instance.name)
return False
return True
+def MigrationInfo(instance):
+ """Gather information about an instance to be migrated.
+
+ @type instance: L{objects.Instance}
+ @param instance: the instance definition
+
+ """
+ hyper = hypervisor.GetHypervisor(instance.hypervisor)
+ try:
+ info = hyper.MigrationInfo(instance)
+ except errors.HypervisorError, err:
+ msg = "Failed to fetch migration information"
+ logging.exception(msg)
+ return (False, '%s: %s' % (msg, err))
+ return (True, info)
+
+
+def AcceptInstance(instance, info, target):
+ """Prepare the node to accept an instance.
+
+ @type instance: L{objects.Instance}
+ @param instance: the instance definition
+ @type info: string/data (opaque)
+ @param info: migration information, from the source node
+ @type target: string
+ @param target: target host (usually ip), on this node
+
+ """
+ hyper = hypervisor.GetHypervisor(instance.hypervisor)
+ try:
+ hyper.AcceptInstance(instance, info, target)
+ except errors.HypervisorError, err:
+ msg = "Failed to accept instance"
+ logging.exception(msg)
+ return (False, '%s: %s' % (msg, err))
+ return (True, "Accept successfull")
+
+
+def FinalizeMigration(instance, info, success):
+ """Finalize any preparation to accept an instance.
+
+ @type instance: L{objects.Instance}
+ @param instance: the instance definition
+ @type info: string/data (opaque)
+ @param info: migration information, from the source node
+ @type success: boolean
+ @param success: whether the migration was a success or a failure
+
+ """
+ hyper = hypervisor.GetHypervisor(instance.hypervisor)
+ try:
+ hyper.FinalizeMigration(instance, info, success)
+ except errors.HypervisorError, err:
+ msg = "Failed to finalize migration"
+ logging.exception(msg)
+ return (False, '%s: %s' % (msg, err))
+ return (True, "Migration Finalized")
+
+
def MigrateInstance(instance, target, live):
"""Migrates an instance to another node.
result = {}
result['OS_API_VERSION'] = '%d' % constants.OS_API_VERSION
result['INSTANCE_NAME'] = instance.name
+ result['INSTANCE_OS'] = instance.os
result['HYPERVISOR'] = instance.hypervisor
result['DISK_COUNT'] = '%d' % len(instance.disks)
result['NIC_COUNT'] = '%d' % len(instance.nics)
real_disk.Open()
result['DISK_%d_PATH' % idx] = real_disk.dev_path
# FIXME: When disks will have read-only mode, populate this
- result['DISK_%d_ACCESS' % idx] = 'W'
+ result['DISK_%d_ACCESS' % idx] = disk.mode
if constants.HV_DISK_TYPE in instance.hvparams:
result['DISK_%d_FRONTEND_TYPE' % idx] = \
instance.hvparams[constants.HV_DISK_TYPE]
#logging.exception("Error while closing fd %s", fd)
pass
- return result == 0, output
+ return result == 0, utils.SafeEncode(output.strip())
def RunHooks(self, hpath, phase, env):
"""Run the scripts in the hooks directory.
projects / ganeti-local / blobdiff