"""
-import os
import sys
import optparse
import time
from ganeti import cli
from ganeti import errors
from ganeti import utils
+from ganeti import ssconf
+
+from ganeti.confd import client as confd_client
USAGE = ("\tburnin -o OS_NAME [options...] instance_name ...")
MAX_RETRIES = 3
+LOG_HEADERS = {
+ 0: "- ",
+ 1: "* ",
+ 2: ""
+ }
class InstanceDown(Exception):
"""The checked instance was not up"""
sys.exit(2)
-def Log(msg, indent=0):
+def Log(msg, *args, **kwargs):
"""Simple function that prints out its argument.
"""
- headers = {
- 0: "- ",
- 1: "* ",
- 2: ""
- }
+ if args:
+ msg = msg % args
+ indent = kwargs.get('indent', 0)
sys.stdout.write("%*s%s%s\n" % (2*indent, "",
- headers.get(indent, " "), msg))
+ LOG_HEADERS.get(indent, " "), msg))
sys.stdout.flush()
+
def Err(msg, exit_code=1):
"""Simple error logging that prints to stderr.
class SimpleOpener(urllib.FancyURLopener):
"""A simple url opener"""
+ # pylint: disable-msg=W0221
- def prompt_user_passwd(self, host, realm, clear_cache = 0):
+ def prompt_user_passwd(self, host, realm, clear_cache=0):
"""No-interaction version of prompt_user_passwd."""
+ # we follow parent class' API
+ # pylint: disable-msg=W0613
return None, None
def http_error_default(self, url, fp, errcode, errmsg, headers):
default=128, type="unit", metavar="<size>",
completion_suggest=("128M 256M 512M 1G 4G 8G"
" 12G 16G").split()),
+ cli.DEBUG_OPT,
cli.VERBOSE_OPT,
+ cli.NOIPCHECK_OPT,
+ cli.NONAMECHECK_OPT,
+ cli.EARLY_RELEASE_OPT,
cli.cli_option("--no-replace1", dest="do_replace1",
help="Skip disk replacement with the same secondary",
action="store_false", default=True),
cli.cli_option("--no-nics", dest="nics",
help="No network interfaces", action="store_const",
const=[], default=[{}]),
+ cli.cli_option("--no-confd", dest="do_confd_tests",
+ help="Skip confd queries",
+ action="store_false", default=True),
cli.cli_option("--rename", dest="rename", default=None,
help=("Give one unused instance name which is taken"
" to start the renaming sequence"),
ARGUMENTS = [cli.ArgInstance(min=1)]
+def _DoCheckInstances(fn):
+ """Decorator for checking instances.
+
+ """
+ def wrapper(self, *args, **kwargs):
+ val = fn(self, *args, **kwargs)
+ for instance in self.instances:
+ self._CheckInstanceAlive(instance) # pylint: disable-msg=W0212
+ return val
+
+ return wrapper
+
+
+def _DoBatch(retry):
+ """Decorator for possible batch operations.
+
+ Must come after the _DoCheckInstances decorator (if any).
+
+ @param retry: whether this is a retryable batch, will be
+ passed to StartBatch
+
+ """
+ def wrap(fn):
+ def batched(self, *args, **kwargs):
+ self.StartBatch(retry)
+ val = fn(self, *args, **kwargs)
+ self.CommitQueue()
+ return val
+ return batched
+
+ return wrap
+
+
class Burner(object):
"""Burner class."""
self.hvp = self.bep = None
self.ParseOptions()
self.cl = cli.GetClient()
+ self.ss = ssconf.SimpleStore()
self.GetState()
def ClearFeedbackBuf(self):
try:
val = fn(*args)
if retry_count > 0 and retry_count < MAX_RETRIES:
- Log("Idempotent %s succeeded after %d retries" %
- (msg, MAX_RETRIES - retry_count))
+ Log("Idempotent %s succeeded after %d retries",
+ msg, MAX_RETRIES - retry_count)
return val
- except Exception, err:
+ except Exception, err: # pylint: disable-msg=W0703
if retry_count == 0:
- Log("Non-idempotent %s failed, aborting" % (msg, ))
+ Log("Non-idempotent %s failed, aborting", msg)
raise
elif retry_count == 1:
- Log("Idempotent %s repeated failure, aborting" % (msg, ))
+ Log("Idempotent %s repeated failure, aborting", msg)
raise
else:
- Log("Idempotent %s failed, retry #%d/%d: %s" %
- (msg, MAX_RETRIES - retry_count + 1, MAX_RETRIES, err))
+ Log("Idempotent %s failed, retry #%d/%d: %s",
+ msg, MAX_RETRIES - retry_count + 1, MAX_RETRIES, err)
self.MaybeRetry(retry_count - 1, msg, fn, *args)
+ def _SetDebug(self, ops):
+ """Set the debug value on the given opcodes"""
+ for op in ops:
+ op.debug_level = self.opts.debug
+
def _ExecOp(self, *ops):
"""Execute one or more opcodes and manage the exec buffer.
rval = MAX_RETRIES
else:
rval = 0
+ self._SetDebug(ops)
return self.MaybeRetry(rval, "opcode", self._ExecOp, *ops)
def ExecOrQueue(self, name, *ops):
"""Execute an opcode and manage the exec buffer."""
if self.opts.parallel:
+ self._SetDebug(ops)
self.queued_ops.append((ops, name))
else:
return self.ExecOp(self.queue_retry, *ops)
"""
self.ClearFeedbackBuf()
- job_ids = [cli.SendJob(row[0], cl=self.cl) for row in jobs]
- Log("Submitted job ID(s) %s" % ", ".join(job_ids), indent=1)
- results = []
- for jid, (_, iname) in zip(job_ids, jobs):
- Log("waiting for job %s for %s" % (jid, iname), indent=2)
- try:
- results.append(cli.PollJob(jid, cl=self.cl, feedback_fn=self.Feedback))
- except Exception, err:
- Log("Job for %s failed: %s" % (iname, err))
- if len(results) != len(jobs):
+ jex = cli.JobExecutor(cl=self.cl, feedback_fn=self.Feedback)
+ for ops, name in jobs:
+ jex.QueueJob(name, *ops) # pylint: disable-msg=W0142
+ try:
+ results = jex.GetResults()
+ except Exception, err: # pylint: disable-msg=W0703
+ Log("Jobs failed: %s", err)
raise BurninFailure()
- return results
-
- def _DoCheckInstances(fn):
- """Decorator for checking instances.
- """
- def wrapper(self, *args, **kwargs):
- val = fn(self, *args, **kwargs)
- for instance in self.instances:
- self._CheckInstanceAlive(instance)
- return val
-
- return wrapper
-
- def _DoBatch(retry):
- """Decorator for possible batch operations.
-
- Must come after the _DoCheckInstances decorator (if any).
-
- @param retry: whether this is a retryable batch, will be
- passed to StartBatch
-
- """
- def wrap(fn):
- def batched(self, *args, **kwargs):
- self.StartBatch(retry)
- val = fn(self, *args, **kwargs)
- self.CommitQueue()
- return val
- return batched
+ if utils.any(results, lambda x: not x[0]):
+ raise BurninFailure()
- return wrap
+ return [i[1] for i in results]
def ParseOptions(self):
"""Parses the command line options.
if options.nodes and options.iallocator:
Err("Give either the nodes option or the iallocator option, not both")
+ if options.http_check and not options.name_check:
+ Err("Can't enable HTTP checks without name checks")
+
self.opts = options
self.instances = args
self.bep = {
socket.setdefaulttimeout(options.net_timeout)
def GetState(self):
- """Read the cluster state from the config."""
+ """Read the cluster state from the master daemon."""
if self.opts.nodes:
names = self.opts.nodes.split(",")
else:
Err(msg, exit_code=err_code)
self.nodes = [data[0] for data in result if not (data[1] or data[2])]
- op_diagos = opcodes.OpDiagnoseOS(output_fields=["name", "valid"], names=[])
- result = self.ExecOp(True, op_diagos)
+ op_diagnose = opcodes.OpDiagnoseOS(output_fields=["name", "valid",
+ "variants"], names=[])
+ result = self.ExecOp(True, op_diagnose)
if not result:
Err("Can't get the OS list")
- # filter non-valid OS-es
- os_set = [val[0] for val in result if val[1]]
+ found = False
+ for (name, valid, variants) in result:
+ if valid and self.opts.os in cli.CalculateOSNames(name, variants):
+ found = True
+ break
- if self.opts.os not in os_set:
+ if not found:
Err("OS '%s' not found" % self.opts.os)
+ cluster_info = self.cl.QueryClusterInfo()
+ self.cluster_info = cluster_info
+ if not self.cluster_info:
+ Err("Can't get cluster info")
+
+ default_nic_params = self.cluster_info["nicparams"][constants.PP_DEFAULT]
+ self.cluster_default_nicparams = default_nic_params
+
@_DoCheckInstances
@_DoBatch(False)
def BurnCreateInstances(self):
Log("Creating instances")
for pnode, snode, instance in mytor:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
if self.opts.iallocator:
pnode = snode = None
msg = "with iallocator %s" % self.opts.iallocator
pnode=pnode,
snode=snode,
start=True,
- ip_check=True,
+ ip_check=self.opts.ip_check,
+ name_check=self.opts.name_check,
wait_for_sync=True,
file_driver="loop",
file_storage_dir=None,
"""Grow both the os and the swap disks by the requested amount, if any."""
Log("Growing disks")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
for idx, growth in enumerate(self.disk_growth):
if growth > 0:
op = opcodes.OpGrowDisk(instance_name=instance, disk=idx,
amount=growth, wait_for_sync=True)
- Log("increase disk/%s by %s MB" % (idx, growth), indent=2)
+ Log("increase disk/%s by %s MB", idx, growth, indent=2)
self.ExecOrQueue(instance, op)
@_DoBatch(True)
"""Replace disks on primary and secondary for drbd8."""
Log("Replacing disks on the same nodes")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
ops = []
for mode in constants.REPLACE_DISK_SEC, constants.REPLACE_DISK_PRI:
op = opcodes.OpReplaceDisks(instance_name=instance,
mode=mode,
- disks=[i for i in range(self.disk_count)])
- Log("run %s" % mode, indent=2)
+ disks=[i for i in range(self.disk_count)],
+ early_release=self.opts.early_release)
+ Log("run %s", mode, indent=2)
ops.append(op)
- self.ExecOrQueue(instance, *ops)
+ self.ExecOrQueue(instance, *ops) # pylint: disable-msg=W0142
@_DoBatch(True)
def BurnReplaceDisks2(self):
mytor = izip(islice(cycle(self.nodes), 2, None),
self.instances)
for tnode, instance in mytor:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
if self.opts.iallocator:
tnode = None
msg = "with iallocator %s" % self.opts.iallocator
mode=mode,
remote_node=tnode,
iallocator=self.opts.iallocator,
- disks=[])
- Log("run %s %s" % (mode, msg), indent=2)
+ disks=[],
+ early_release=self.opts.early_release)
+ Log("run %s %s", mode, msg, indent=2)
self.ExecOrQueue(instance, op)
@_DoCheckInstances
"""Failover the instances."""
Log("Failing over instances")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
op = opcodes.OpFailoverInstance(instance_name=instance,
ignore_consistency=False)
self.ExecOrQueue(instance, op)
mytor = izip(islice(cycle(self.nodes), 1, None),
self.instances)
for tnode, instance in mytor:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
op = opcodes.OpMoveInstance(instance_name=instance,
target_node=tnode)
self.ExecOrQueue(instance, op)
"""Migrate the instances."""
Log("Migrating instances")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
op1 = opcodes.OpMigrateInstance(instance_name=instance, live=True,
cleanup=False)
self.instances)
for pnode, snode, enode, instance in mytor:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
# read the full name of the instance
nam_op = opcodes.OpQueryInstances(output_fields=["name"],
names=[instance], use_locking=True)
shutdown=True)
rem_op = opcodes.OpRemoveInstance(instance_name=instance,
ignore_failures=True)
- imp_dir = os.path.join(constants.EXPORT_DIR, full_name)
+ imp_dir = utils.PathJoin(constants.EXPORT_DIR, full_name)
imp_op = opcodes.OpCreateInstance(instance_name=instance,
disks = [ {"size": size}
for size in self.disk_size],
pnode=pnode,
snode=snode,
start=True,
- ip_check=True,
+ ip_check=self.opts.ip_check,
+ name_check=self.opts.name_check,
wait_for_sync=True,
file_storage_dir=None,
file_driver="loop",
erem_op = opcodes.OpRemoveExport(instance_name=instance)
- Log("export to node %s" % enode, indent=2)
+ Log("export to node %s", enode, indent=2)
Log("remove instance", indent=2)
Log(import_log_msg, indent=2)
Log("remove export", indent=2)
self.ExecOrQueue(instance, exp_op, rem_op, imp_op, erem_op)
- def StopInstanceOp(self, instance):
+ @staticmethod
+ def StopInstanceOp(instance):
"""Stop given instance."""
return opcodes.OpShutdownInstance(instance_name=instance)
- def StartInstanceOp(self, instance):
+ @staticmethod
+ def StartInstanceOp(instance):
"""Start given instance."""
return opcodes.OpStartupInstance(instance_name=instance, force=False)
- def RenameInstanceOp(self, instance, instance_new):
+ @staticmethod
+ def RenameInstanceOp(instance, instance_new):
"""Rename instance."""
return opcodes.OpRenameInstance(instance_name=instance,
new_name=instance_new)
"""Stop/start the instances."""
Log("Stopping and starting instances")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
op1 = self.StopInstanceOp(instance)
op2 = self.StartInstanceOp(instance)
self.ExecOrQueue(instance, op1, op2)
"""Remove the instances."""
Log("Removing instances")
for instance in self.to_rem:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
op = opcodes.OpRemoveInstance(instance_name=instance,
ignore_failures=True)
self.ExecOrQueue(instance, op)
Log("Renaming instances")
rename = self.opts.rename
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
op_stop1 = self.StopInstanceOp(instance)
op_stop2 = self.StopInstanceOp(rename)
op_rename1 = self.RenameInstanceOp(instance, rename)
"""Reinstall the instances."""
Log("Reinstalling instances")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
op1 = self.StopInstanceOp(instance)
op2 = opcodes.OpReinstallInstance(instance_name=instance)
Log("reinstall without passing the OS", indent=2)
"""Reboot the instances."""
Log("Rebooting instances")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
ops = []
for reboot_type in constants.REBOOT_TYPES:
op = opcodes.OpRebootInstance(instance_name=instance,
reboot_type=reboot_type,
ignore_secondaries=False)
- Log("reboot with type '%s'" % reboot_type, indent=2)
+ Log("reboot with type '%s'", reboot_type, indent=2)
ops.append(op)
- self.ExecOrQueue(instance, *ops)
+ self.ExecOrQueue(instance, *ops) # pylint: disable-msg=W0142
@_DoCheckInstances
@_DoBatch(True)
"""Activate and deactivate disks of the instances."""
Log("Activating/deactivating disks")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
op_start = self.StartInstanceOp(instance)
op_act = opcodes.OpActivateInstanceDisks(instance_name=instance)
op_deact = opcodes.OpDeactivateInstanceDisks(instance_name=instance)
"""Add and remove an extra disk for the instances."""
Log("Adding and removing disks")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
op_add = opcodes.OpSetInstanceParams(\
instance_name=instance,
disks=[(constants.DDM_ADD, {"size": self.disk_size[0]})])
"""Add and remove an extra NIC for the instances."""
Log("Adding and removing NICs")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
+ Log("instance %s", instance, indent=1)
op_add = opcodes.OpSetInstanceParams(\
instance_name=instance, nics=[(constants.DDM_ADD, {})])
op_rem = opcodes.OpSetInstanceParams(\
Log("removing last NIC", indent=2)
self.ExecOrQueue(instance, op_add, op_rem)
+ def ConfdCallback(self, reply):
+ """Callback for confd queries"""
+ if reply.type == confd_client.UPCALL_REPLY:
+ if reply.server_reply.status != constants.CONFD_REPL_STATUS_OK:
+ Err("Query %s gave non-ok status %s: %s" % (reply.orig_request,
+ reply.server_reply.status,
+ reply.server_reply))
+ if reply.orig_request.type == constants.CONFD_REQ_PING:
+ Log("Ping: OK", indent=1)
+ elif reply.orig_request.type == constants.CONFD_REQ_CLUSTER_MASTER:
+ if reply.server_reply.answer == self.cluster_info["master"]:
+ Log("Master: OK", indent=1)
+ else:
+ Err("Master: wrong: %s" % reply.server_reply.answer)
+ elif reply.orig_request.type == constants.CONFD_REQ_NODE_ROLE_BYNAME:
+ if reply.server_reply.answer == constants.CONFD_NODE_ROLE_MASTER:
+ Log("Node role for master: OK", indent=1)
+ else:
+ Err("Node role for master: wrong: %s" % reply.server_reply.answer)
+
+ def DoConfdRequestReply(self, req):
+ self.confd_counting_callback.RegisterQuery(req.rsalt)
+ self.confd_client.SendRequest(req, async=False)
+ while not self.confd_counting_callback.AllAnswered():
+ if not self.confd_client.ReceiveReply():
+ Err("Did not receive all expected confd replies")
+ break
+
+ def BurnConfd(self):
+ """Run confd queries for our instances.
+
+ The following confd queries are tested:
+ - CONFD_REQ_PING: simple ping
+ - CONFD_REQ_CLUSTER_MASTER: cluster master
+ - CONFD_REQ_NODE_ROLE_BYNAME: node role, for the master
+
+ """
+ Log("Checking confd results")
+
+ hmac_key = utils.ReadFile(constants.CONFD_HMAC_KEY)
+ mc_file = self.ss.KeyToFilename(constants.SS_MASTER_CANDIDATES_IPS)
+ mc_list = utils.ReadFile(mc_file).splitlines()
+ filter_callback = confd_client.ConfdFilterCallback(self.ConfdCallback)
+ counting_callback = confd_client.ConfdCountingCallback(filter_callback)
+ self.confd_counting_callback = counting_callback
+
+ self.confd_client = confd_client.ConfdClient(hmac_key, mc_list,
+ counting_callback)
+
+ req = confd_client.ConfdClientRequest(type=constants.CONFD_REQ_PING)
+ self.DoConfdRequestReply(req)
+
+ req = confd_client.ConfdClientRequest(
+ type=constants.CONFD_REQ_CLUSTER_MASTER)
+ self.DoConfdRequestReply(req)
+
+ req = confd_client.ConfdClientRequest(
+ type=constants.CONFD_REQ_NODE_ROLE_BYNAME,
+ query=self.cluster_info["master"])
+ self.DoConfdRequestReply(req)
+
def _CheckInstanceAlive(self, instance):
"""Check if an instance is alive by doing http checks.
if opts.do_migrate and opts.disk_template == constants.DT_DRBD8:
self.BurnMigrate()
- if opts.do_move and opts.disk_template in [constants.DT_PLAIN,
- constants.DT_FILE]:
+ if (opts.do_move and len(self.nodes) > 1 and
+ opts.disk_template in [constants.DT_PLAIN, constants.DT_FILE]):
self.BurnMove()
if (opts.do_importexport and
if opts.do_addremove_disks:
self.BurnAddRemoveDisks()
+ default_nic_mode = self.cluster_default_nicparams[constants.NIC_MODE]
+ # Don't add/remove nics in routed mode, as we would need an ip to add
+ # them with
if opts.do_addremove_nics:
- self.BurnAddRemoveNICs()
+ if default_nic_mode == constants.NIC_MODE_BRIDGED:
+ self.BurnAddRemoveNICs()
+ else:
+ Log("Skipping nic add/remove as the cluster is not in bridged mode")
if opts.do_activate_disks:
self.BurnActivateDisks()
if opts.rename:
self.BurnRename()
+ if opts.do_confd_tests:
+ self.BurnConfd()
+
if opts.do_startstop:
self.BurnStopStart()
if not self.opts.keep_instances:
try:
self.BurnRemove()
- except Exception, err:
+ except Exception, err: # pylint: disable-msg=W0703
if has_err: # already detected errors, so errors in removal
# are quite expected
- Log("Note: error detected during instance remove: %s" % str(err))
+ Log("Note: error detected during instance remove: %s", err)
else: # non-expected error
raise