"""
-import os
import sys
import optparse
import time
import socket
-import urllib2
-import errno
+import urllib
from itertools import izip, islice, cycle
from cStringIO import StringIO
from ganeti import opcodes
-from ganeti import mcpu
from ganeti import constants
from ganeti import cli
from ganeti import errors
from ganeti import utils
+from ganeti import hypervisor
+from ganeti import compat
+
+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"""
+class BurninFailure(Exception):
+ """Failure detected during burning"""
+
+
def Usage():
"""Shows program usage information and exits the program."""
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.
sys.stderr.flush()
sys.exit(exit_code)
+
+class SimpleOpener(urllib.FancyURLopener):
+ """A simple url opener"""
+ # pylint: disable-msg=W0221
+
+ 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):
+ """Custom error handling"""
+ # make sure sockets are not left in CLOSE_WAIT, this is similar
+ # but with a different exception to the BasicURLOpener class
+ _ = fp.read() # throw away data
+ fp.close()
+ raise InstanceDown("HTTP error returned: code %s, msg %s" %
+ (errcode, errmsg))
+
+
+OPTIONS = [
+ cli.cli_option("-o", "--os", dest="os", default=None,
+ help="OS to use during burnin",
+ metavar="<OS>",
+ completion_suggest=cli.OPT_COMPL_ONE_OS),
+ cli.HYPERVISOR_OPT,
+ cli.cli_option("--disk-size", dest="disk_size",
+ help="Disk size (determines disk count)",
+ default="128m", type="string", metavar="<size,size,...>",
+ completion_suggest=("128M 512M 1G 4G 1G,256M"
+ " 4G,1G,1G 10G").split()),
+ cli.cli_option("--disk-growth", dest="disk_growth", help="Disk growth",
+ default="128m", type="string", metavar="<size,size,...>"),
+ cli.cli_option("--mem-size", dest="mem_size", help="Memory size",
+ 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-replace2", dest="do_replace2",
+ help="Skip disk replacement with a different secondary",
+ action="store_false", default=True),
+ cli.cli_option("--no-failover", dest="do_failover",
+ help="Skip instance failovers", action="store_false",
+ default=True),
+ cli.cli_option("--no-migrate", dest="do_migrate",
+ help="Skip instance live migration",
+ action="store_false", default=True),
+ cli.cli_option("--no-move", dest="do_move",
+ help="Skip instance moves", action="store_false",
+ default=True),
+ cli.cli_option("--no-importexport", dest="do_importexport",
+ help="Skip instance export/import", action="store_false",
+ default=True),
+ cli.cli_option("--no-startstop", dest="do_startstop",
+ help="Skip instance stop/start", action="store_false",
+ default=True),
+ cli.cli_option("--no-reinstall", dest="do_reinstall",
+ help="Skip instance reinstall", action="store_false",
+ default=True),
+ cli.cli_option("--no-reboot", dest="do_reboot",
+ help="Skip instance reboot", action="store_false",
+ default=True),
+ cli.cli_option("--reboot-types", dest="reboot_types",
+ help="Specify the reboot types", default=None),
+ cli.cli_option("--no-activate-disks", dest="do_activate_disks",
+ help="Skip disk activation/deactivation",
+ action="store_false", default=True),
+ cli.cli_option("--no-add-disks", dest="do_addremove_disks",
+ help="Skip disk addition/removal",
+ action="store_false", default=True),
+ cli.cli_option("--no-add-nics", dest="do_addremove_nics",
+ help="Skip NIC addition/removal",
+ 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"),
+ metavar="<instance_name>"),
+ cli.cli_option("-t", "--disk-template", dest="disk_template",
+ choices=list(constants.DISK_TEMPLATES),
+ default=constants.DT_DRBD8,
+ help="Disk template (diskless, file, plain or drbd) [drbd]"),
+ cli.cli_option("-n", "--nodes", dest="nodes", default="",
+ help=("Comma separated list of nodes to perform"
+ " the burnin on (defaults to all nodes)"),
+ completion_suggest=cli.OPT_COMPL_MANY_NODES),
+ cli.cli_option("-I", "--iallocator", dest="iallocator",
+ default=None, type="string",
+ help=("Perform the allocation using an iallocator"
+ " instead of fixed node spread (node restrictions no"
+ " longer apply, therefore -n/--nodes must not be"
+ " used"),
+ completion_suggest=cli.OPT_COMPL_ONE_IALLOCATOR),
+ cli.cli_option("-p", "--parallel", default=False, action="store_true",
+ dest="parallel",
+ help=("Enable parallelization of some operations in"
+ " order to speed burnin or to test granular locking")),
+ cli.cli_option("--net-timeout", default=15, type="int",
+ dest="net_timeout",
+ help=("The instance check network timeout in seconds"
+ " (defaults to 15 seconds)"),
+ completion_suggest="15 60 300 900".split()),
+ cli.cli_option("-C", "--http-check", default=False, action="store_true",
+ dest="http_check",
+ help=("Enable checking of instance status via http,"
+ " looking for /hostname.txt that should contain the"
+ " name of the instance")),
+ cli.cli_option("-K", "--keep-instances", default=False,
+ action="store_true",
+ dest="keep_instances",
+ help=("Leave instances on the cluster after burnin,"
+ " for investigation in case of errors or simply"
+ " to use them")),
+ ]
+
+# Mainly used for bash completion
+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."""
def __init__(self):
"""Constructor."""
utils.SetupLogging(constants.LOG_BURNIN, debug=False, stderr_logging=True)
+ self.url_opener = SimpleOpener()
self._feed_buf = StringIO()
self.nodes = []
self.instances = []
self.to_rem = []
+ self.queued_ops = []
self.opts = None
- self.cl = cli.GetClient()
+ self.queue_retry = False
+ self.disk_count = self.disk_growth = self.disk_size = None
+ self.hvp = self.bep = None
self.ParseOptions()
+ self.cl = cli.GetClient()
self.GetState()
def ClearFeedbackBuf(self):
def Feedback(self, msg):
"""Acumulate feedback in our buffer."""
- self._feed_buf.write("%s %s\n" % (time.ctime(utils.MergeTime(msg[0])),
- msg[2]))
+ formatted_msg = "%s %s" % (time.ctime(utils.MergeTime(msg[0])), msg[2])
+ self._feed_buf.write(formatted_msg + "\n")
if self.opts.verbose:
- Log(msg, indent=3)
+ Log(formatted_msg, indent=3)
+
+ def MaybeRetry(self, retry_count, msg, fn, *args):
+ """Possibly retry a given function execution.
+
+ @type retry_count: int
+ @param retry_count: retry counter:
+ - 0: non-retryable action
+ - 1: last retry for a retryable action
+ - MAX_RETRIES: original try for a retryable action
+ @type msg: str
+ @param msg: the kind of the operation
+ @type fn: callable
+ @param fn: the function to be called
+
+ """
+ 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)
+ return val
+ except Exception, err: # pylint: disable-msg=W0703
+ if retry_count == 0:
+ Log("Non-idempotent %s failed, aborting", msg)
+ raise
+ elif retry_count == 1:
+ 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)
+ 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.
- def ExecOp(self, op):
+ @return: if only opcode has been passed, we return its result;
+ otherwise we return the list of results
+
+ """
+ job_id = cli.SendJob(ops, cl=self.cl)
+ results = cli.PollJob(job_id, cl=self.cl, feedback_fn=self.Feedback)
+ if len(ops) == 1:
+ return results[0]
+ else:
+ return results
+
+ def ExecOp(self, retry, *ops):
+ """Execute one or more opcodes and manage the exec buffer.
+
+ @return: if only opcode has been passed, we return its result;
+ otherwise we return the list of results
+
+ """
+ if retry:
+ rval = MAX_RETRIES
+ else:
+ rval = 0
+ self._SetDebug(ops)
+ return self.MaybeRetry(rval, "opcode", self._ExecOp, *ops)
+
+ def ExecOrQueue(self, name, ops, post_process=None):
"""Execute an opcode and manage the exec buffer."""
- self.ClearFeedbackBuf()
- return cli.SubmitOpCode(op, feedback_fn=self.Feedback, cl=self.cl)
+ if self.opts.parallel:
+ self._SetDebug(ops)
+ self.queued_ops.append((ops, name, post_process))
+ else:
+ val = self.ExecOp(self.queue_retry, *ops) # pylint: disable-msg=W0142
+ if post_process is not None:
+ post_process()
+ return val
+
+ def StartBatch(self, retry):
+ """Start a new batch of jobs.
+
+ @param retry: whether this is a retryable batch
+
+ """
+ self.queued_ops = []
+ self.queue_retry = retry
+
+ def CommitQueue(self):
+ """Execute all submitted opcodes in case of parallel burnin"""
+ if not self.opts.parallel:
+ return
+
+ if self.queue_retry:
+ rval = MAX_RETRIES
+ else:
+ rval = 0
+
+ try:
+ results = self.MaybeRetry(rval, "jobset", self.ExecJobSet,
+ self.queued_ops)
+ finally:
+ self.queued_ops = []
+ return results
def ExecJobSet(self, jobs):
"""Execute a set of jobs and return once all are done.
The method will return the list of results, if all jobs are
- successfull. Otherwise, OpExecError will be raised from within
+ successful. Otherwise, OpExecError will be raised from within
cli.py.
"""
self.ClearFeedbackBuf()
- job_ids = [cli.SendJob(job, cl=self.cl) for job in jobs]
- Log("Submitted job IDs %s" % ", ".join(job_ids), indent=1)
- results = []
- for jid in job_ids:
- Log("Waiting for job %s" % jid, indent=2)
- results.append(cli.PollJob(jid, cl=self.cl, feedback_fn=self.Feedback))
+ 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()
+
+ fail = False
+ val = []
+ for (_, name, post_process), (success, result) in zip(jobs, results):
+ if success:
+ if post_process:
+ try:
+ post_process()
+ except Exception, err: # pylint: disable-msg=W0703
+ Log("Post process call for job %s failed: %s", name, err)
+ fail = True
+ val.append(result)
+ else:
+ fail = True
- return results
+ if fail:
+ raise BurninFailure()
+
+ return val
def ParseOptions(self):
"""Parses the command line options.
program.
"""
-
parser = optparse.OptionParser(usage="\n%s" % USAGE,
- version="%%prog (ganeti) %s" %
- constants.RELEASE_VERSION,
- option_class=cli.CliOption)
-
- parser.add_option("-o", "--os", dest="os", default=None,
- help="OS to use during burnin",
- metavar="<OS>")
- parser.add_option("--disk-size", dest="disk_size",
- help="Disk size (determines disk count)",
- default="128m", type="string", metavar="<size,size,...>")
- parser.add_option("--disk-growth", dest="disk_growth", help="Disk growth",
- default="128m", type="string", metavar="<size,size,...>")
- parser.add_option("--mem-size", dest="mem_size", help="Memory size",
- default=128, type="unit", metavar="<size>")
- parser.add_option("-v", "--verbose",
- action="store_true", dest="verbose", default=False,
- help="print command execution messages to stdout")
- parser.add_option("--no-replace1", dest="do_replace1",
- help="Skip disk replacement with the same secondary",
- action="store_false", default=True)
- parser.add_option("--no-replace2", dest="do_replace2",
- help="Skip disk replacement with a different secondary",
- action="store_false", default=True)
- parser.add_option("--no-failover", dest="do_failover",
- help="Skip instance failovers", action="store_false",
- default=True)
- parser.add_option("--no-migrate", dest="do_migrate",
- help="Skip instance live migration",
- action="store_false", default=True)
- parser.add_option("--no-importexport", dest="do_importexport",
- help="Skip instance export/import", action="store_false",
- default=True)
- parser.add_option("--no-startstop", dest="do_startstop",
- help="Skip instance stop/start", action="store_false",
- default=True)
- parser.add_option("--no-reinstall", dest="do_reinstall",
- help="Skip instance reinstall", action="store_false",
- default=True)
- parser.add_option("--no-reboot", dest="do_reboot",
- help="Skip instance reboot", action="store_false",
- default=True)
- parser.add_option("--no-activate-disks", dest="do_activate_disks",
- help="Skip disk activation/deactivation",
- action="store_false", default=True)
- parser.add_option("--no-add-disks", dest="do_addremove_disks",
- help="Skip disk addition/removal",
- action="store_false", default=True)
- parser.add_option("--no-add-nics", dest="do_addremove_nics",
- help="Skip NIC addition/removal",
- action="store_false", default=True)
- parser.add_option("--no-nics", dest="nics",
- help="No network interfaces", action="store_const",
- const=[], default=[{}])
- parser.add_option("--rename", dest="rename", default=None,
- help="Give one unused instance name which is taken"
- " to start the renaming sequence",
- metavar="<instance_name>")
- parser.add_option("-t", "--disk-template", dest="disk_template",
- choices=("diskless", "file", "plain", "drbd"),
- default="drbd",
- help="Disk template (diskless, file, plain or drbd)"
- " [drbd]")
- parser.add_option("-n", "--nodes", dest="nodes", default="",
- help="Comma separated list of nodes to perform"
- " the burnin on (defaults to all nodes)")
- parser.add_option("--iallocator", dest="iallocator",
- default=None, type="string",
- help="Perform the allocation using an iallocator"
- " instead of fixed node spread (node restrictions no"
- " longer apply, therefore -n/--nodes must not be used")
- parser.add_option("-p", "--parallel", default=False, action="store_true",
- dest="parallel",
- help="Enable parallelization of some operations in"
- " order to speed burnin or to test granular locking")
- parser.add_option("--net-timeout", default=15, type="int",
- dest="net_timeout",
- help="The instance check network timeout in seconds"
- " (defaults to 15 seconds)")
- parser.add_option("-C", "--http-check", default=False, action="store_true",
- dest="http_check",
- help="Enable checking of instance status via http,"
- " looking for /hostname.txt that should contain the"
- " name of the instance")
-
+ version=("%%prog (ganeti) %s" %
+ constants.RELEASE_VERSION),
+ option_list=OPTIONS)
options, args = parser.parse_args()
if len(args) < 1 or options.os is None:
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 = {
constants.BE_MEMORY: options.mem_size,
constants.BE_VCPUS: 1,
}
+
+ self.hypervisor = None
self.hvp = {}
+ if options.hypervisor:
+ self.hypervisor, self.hvp = options.hypervisor
+
+ if options.reboot_types is None:
+ options.reboot_types = constants.REBOOT_TYPES
+ else:
+ options.reboot_types = options.reboot_types.split(",")
+ rt_diff = set(options.reboot_types).difference(constants.REBOOT_TYPES)
+ if rt_diff:
+ Err("Invalid reboot types specified: %s" % utils.CommaJoin(rt_diff))
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:
names = []
try:
- op = opcodes.OpQueryNodes(output_fields=["name", "offline"], names=names)
- result = self.ExecOp(op)
+ op = opcodes.OpQueryNodes(output_fields=["name", "offline", "drained"],
+ names=names, use_locking=True)
+ result = self.ExecOp(True, op)
except errors.GenericError, err:
err_code, msg = cli.FormatError(err)
Err(msg, exit_code=err_code)
- self.nodes = [data[0] for data in result if not data[1]]
+ self.nodes = [data[0] for data in result if not (data[1] or data[2])]
- result = self.ExecOp(opcodes.OpDiagnoseOS(output_fields=["name", "valid"],
- names=[]))
+ 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)
- def CreateInstances(self):
+ 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
+ if self.hypervisor is None:
+ self.hypervisor = self.cluster_info["default_hypervisor"]
+ self.hv_class = hypervisor.GetHypervisorClass(self.hypervisor)
+
+ @_DoCheckInstances
+ @_DoBatch(False)
+ def BurnCreateInstances(self):
"""Create the given instances.
"""
mytor = izip(cycle(self.nodes),
islice(cycle(self.nodes), 1, None),
self.instances)
- jobset = []
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,
iallocator=self.opts.iallocator,
beparams=self.bep,
hvparams=self.hvp,
+ hypervisor=self.hypervisor,
)
+ remove_instance = lambda name: lambda: self.to_rem.append(name)
+ self.ExecOrQueue(instance, [op], post_process=remove_instance(instance))
- if self.opts.parallel:
- jobset.append([op])
- # FIXME: here we should not append to to_rem uncoditionally,
- # but only when the job is successful
- self.to_rem.append(instance)
- else:
- self.ExecOp(op)
- self.to_rem.append(instance)
- if self.opts.parallel:
- self.ExecJobSet(jobset)
-
- for instance in self.instances:
- self._CheckInstanceAlive(instance)
-
- def GrowDisks(self):
+ @_DoBatch(False)
+ def BurnGrowDisks(self):
"""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)
- self.ExecOp(op)
+ Log("increase disk/%s by %s MB", idx, growth, indent=2)
+ self.ExecOrQueue(instance, [op])
- def ReplaceDisks1D8(self):
+ @_DoBatch(True)
+ def BurnReplaceDisks1D8(self):
"""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)
- self.ExecOp(op)
-
- def ReplaceDisks2(self):
+ 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)
+
+ @_DoBatch(True)
+ def BurnReplaceDisks2(self):
"""Replace secondary node."""
Log("Changing the secondary node")
mode = constants.REPLACE_DISK_CHG
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=[i for i in range(self.disk_count)])
- Log("run %s %s" % (mode, msg), indent=2)
- self.ExecOp(op)
-
- def Failover(self):
+ disks=[],
+ early_release=self.opts.early_release)
+ Log("run %s %s", mode, msg, indent=2)
+ self.ExecOrQueue(instance, [op])
+
+ @_DoCheckInstances
+ @_DoBatch(False)
+ def BurnFailover(self):
"""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])
+
+ @_DoCheckInstances
+ @_DoBatch(False)
+ def BurnMove(self):
+ """Move the instances."""
+ Log("Moving instances")
+ mytor = izip(islice(cycle(self.nodes), 1, None),
+ self.instances)
+ for tnode, instance in mytor:
+ Log("instance %s", instance, indent=1)
+ op = opcodes.OpMoveInstance(instance_name=instance,
+ target_node=tnode)
+ self.ExecOrQueue(instance, [op])
- self.ExecOp(op)
- for instance in self.instances:
- self._CheckInstanceAlive(instance)
-
- def Migrate(self):
+ @_DoBatch(False)
+ def BurnMigrate(self):
"""Migrate the instances."""
Log("Migrating instances")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
- op = opcodes.OpMigrateInstance(instance_name=instance, live=True,
- cleanup=False)
-
- Log("migration", indent=2)
- self.ExecOp(op)
- op = opcodes.OpMigrateInstance(instance_name=instance, live=True,
- cleanup=True)
- Log("migration cleanup", indent=2)
- self.ExecOp(op)
-
- def ImportExport(self):
+ Log("instance %s", instance, indent=1)
+ op1 = opcodes.OpMigrateInstance(instance_name=instance, live=True,
+ cleanup=False)
+
+ op2 = opcodes.OpMigrateInstance(instance_name=instance, live=True,
+ cleanup=True)
+ Log("migration and migration cleanup", indent=2)
+ self.ExecOrQueue(instance, [op1, op2])
+
+ @_DoCheckInstances
+ @_DoBatch(False)
+ def BurnImportExport(self):
"""Export the instance, delete it, and import it back.
"""
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)
+ full_name = self.ExecOp(False, nam_op)[0][0]
+
if self.opts.iallocator:
pnode = snode = None
import_log_msg = ("import from %s"
shutdown=True)
rem_op = opcodes.OpRemoveInstance(instance_name=instance,
ignore_failures=True)
- nam_op = opcodes.OpQueryInstances(output_fields=["name"],
- names=[instance])
- full_name = self.ExecOp(nam_op)[0][0]
- 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)
- self.ExecOp(exp_op)
+ Log("export to node %s", enode, indent=2)
Log("remove instance", indent=2)
- self.ExecOp(rem_op)
- self.to_rem.remove(instance)
Log(import_log_msg, indent=2)
- self.ExecOp(imp_op)
Log("remove export", indent=2)
- self.ExecOp(erem_op)
+ self.ExecOrQueue(instance, [exp_op, rem_op, imp_op, erem_op])
- self.to_rem.append(instance)
-
- for instance in self.instances:
- self._CheckInstanceAlive(instance)
-
- def StopInstance(self, instance):
+ @staticmethod
+ def StopInstanceOp(instance):
"""Stop given instance."""
- op = opcodes.OpShutdownInstance(instance_name=instance)
- Log("shutdown", indent=2)
- self.ExecOp(op)
+ return opcodes.OpShutdownInstance(instance_name=instance)
- def StartInstance(self, instance):
+ @staticmethod
+ def StartInstanceOp(instance):
"""Start given instance."""
- op = opcodes.OpStartupInstance(instance_name=instance, force=False)
- Log("startup", indent=2)
- self.ExecOp(op)
+ return opcodes.OpStartupInstance(instance_name=instance, force=False)
- def RenameInstance(self, instance, instance_new):
+ @staticmethod
+ def RenameInstanceOp(instance, instance_new):
"""Rename instance."""
- op = opcodes.OpRenameInstance(instance_name=instance,
- new_name=instance_new)
- Log("rename to %s" % instance_new, indent=2)
- self.ExecOp(op)
+ return opcodes.OpRenameInstance(instance_name=instance,
+ new_name=instance_new)
- def StopStart(self):
+ @_DoCheckInstances
+ @_DoBatch(True)
+ def BurnStopStart(self):
"""Stop/start the instances."""
Log("Stopping and starting instances")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
- self.StopInstance(instance)
- self.StartInstance(instance)
-
- for instance in self.instances:
- self._CheckInstanceAlive(instance)
+ Log("instance %s", instance, indent=1)
+ op1 = self.StopInstanceOp(instance)
+ op2 = self.StartInstanceOp(instance)
+ self.ExecOrQueue(instance, [op1, op2])
- def Remove(self):
+ @_DoBatch(False)
+ def BurnRemove(self):
"""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.ExecOp(op)
+ self.ExecOrQueue(instance, [op])
- def Rename(self):
- """Rename the instances."""
+ def BurnRename(self):
+ """Rename the instances.
+
+ Note that this function will not execute in parallel, since we
+ only have one target for rename.
+
+ """
Log("Renaming instances")
rename = self.opts.rename
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
- self.StopInstance(instance)
- self.RenameInstance(instance, rename)
- self.StartInstance(rename)
+ Log("instance %s", instance, indent=1)
+ op_stop1 = self.StopInstanceOp(instance)
+ op_stop2 = self.StopInstanceOp(rename)
+ op_rename1 = self.RenameInstanceOp(instance, rename)
+ op_rename2 = self.RenameInstanceOp(rename, instance)
+ op_start1 = self.StartInstanceOp(rename)
+ op_start2 = self.StartInstanceOp(instance)
+ self.ExecOp(False, op_stop1, op_rename1, op_start1)
self._CheckInstanceAlive(rename)
- self.StopInstance(rename)
- self.RenameInstance(rename, instance)
- self.StartInstance(instance)
-
- for instance in self.instances:
+ self.ExecOp(False, op_stop2, op_rename2, op_start2)
self._CheckInstanceAlive(instance)
- def Reinstall(self):
+ @_DoCheckInstances
+ @_DoBatch(True)
+ def BurnReinstall(self):
"""Reinstall the instances."""
Log("Reinstalling instances")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
- self.StopInstance(instance)
- op = opcodes.OpReinstallInstance(instance_name=instance)
+ Log("instance %s", instance, indent=1)
+ op1 = self.StopInstanceOp(instance)
+ op2 = opcodes.OpReinstallInstance(instance_name=instance)
Log("reinstall without passing the OS", indent=2)
- self.ExecOp(op)
- op = opcodes.OpReinstallInstance(instance_name=instance,
- os_type=self.opts.os)
+ op3 = opcodes.OpReinstallInstance(instance_name=instance,
+ os_type=self.opts.os)
Log("reinstall specifying the OS", indent=2)
- self.ExecOp(op)
- self.StartInstance(instance)
- for instance in self.instances:
- self._CheckInstanceAlive(instance)
+ op4 = self.StartInstanceOp(instance)
+ self.ExecOrQueue(instance, [op1, op2, op3, op4])
- def Reboot(self):
+ @_DoCheckInstances
+ @_DoBatch(True)
+ def BurnReboot(self):
"""Reboot the instances."""
Log("Rebooting instances")
for instance in self.instances:
- Log("instance %s" % instance, indent=1)
- for reboot_type in constants.REBOOT_TYPES:
+ Log("instance %s", instance, indent=1)
+ ops = []
+ for reboot_type in self.opts.reboot_types:
op = opcodes.OpRebootInstance(instance_name=instance,
reboot_type=reboot_type,
ignore_secondaries=False)
- Log("reboot with type '%s'" % reboot_type, indent=2)
- self.ExecOp(op)
- self._CheckInstanceAlive(instance)
+ Log("reboot with type '%s'", reboot_type, indent=2)
+ ops.append(op)
+ self.ExecOrQueue(instance, ops)
- def ActivateDisks(self):
+ @_DoCheckInstances
+ @_DoBatch(True)
+ def BurnActivateDisks(self):
"""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)
+ op_stop = self.StopInstanceOp(instance)
Log("activate disks when online", indent=2)
- self.ExecOp(op_act)
- self.StopInstance(instance)
Log("activate disks when offline", indent=2)
- self.ExecOp(op_act)
Log("deactivate disks (when offline)", indent=2)
- self.ExecOp(op_deact)
- self.StartInstance(instance)
- for instance in self.instances:
- self._CheckInstanceAlive(instance)
+ self.ExecOrQueue(instance, [op_act, op_stop, op_act, op_deact, op_start])
- def AddRemoveDisks(self):
+ @_DoCheckInstances
+ @_DoBatch(False)
+ def BurnAddRemoveDisks(self):
"""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]})])
op_rem = opcodes.OpSetInstanceParams(\
instance_name=instance, disks=[(constants.DDM_REMOVE, {})])
+ op_stop = self.StopInstanceOp(instance)
+ op_start = self.StartInstanceOp(instance)
Log("adding a disk", indent=2)
- self.ExecOp(op_add)
- self.StopInstance(instance)
Log("removing last disk", indent=2)
- self.ExecOp(op_rem)
- self.StartInstance(instance)
- for instance in self.instances:
- self._CheckInstanceAlive(instance)
+ self.ExecOrQueue(instance, [op_add, op_stop, op_rem, op_start])
- def AddRemoveNICs(self):
+ @_DoBatch(False)
+ def BurnAddRemoveNICs(self):
"""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(\
instance_name=instance, nics=[(constants.DDM_REMOVE, {})])
Log("adding a NIC", indent=2)
- self.ExecOp(op_add)
Log("removing last NIC", indent=2)
- self.ExecOp(op_rem)
+ 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")
+
+ 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.GetConfdClient(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 not self.opts.http_check:
return
- try:
- for retries in range(self.opts.net_timeout):
- try:
- url = urllib2.urlopen("http://%s/hostname.txt" % instance)
- except urllib2.URLError, err:
- if err.args[0][0] == errno.ECONNREFUSED:
- time.sleep(1)
- continue
- raise
- except urllib2.URLError, err:
- raise InstanceDown(instance, str(err))
+ end_time = time.time() + self.opts.net_timeout
+ url = None
+ while time.time() < end_time and url is None:
+ try:
+ url = self.url_opener.open("http://%s/hostname.txt" % instance)
+ except IOError:
+ # here we can have connection refused, no route to host, etc.
+ time.sleep(1)
+ if url is None:
+ raise InstanceDown(instance, "Cannot contact instance")
hostname = url.read().strip()
+ url.close()
if hostname != instance:
raise InstanceDown(instance, ("Hostname mismatch, expected %s, got %s" %
(instance, hostname)))
has_err = True
try:
- self.CreateInstances()
+ self.BurnCreateInstances()
if opts.do_replace1 and opts.disk_template in constants.DTS_NET_MIRROR:
- self.ReplaceDisks1D8()
+ self.BurnReplaceDisks1D8()
if (opts.do_replace2 and len(self.nodes) > 2 and
opts.disk_template in constants.DTS_NET_MIRROR) :
- self.ReplaceDisks2()
+ self.BurnReplaceDisks2()
- if opts.disk_template != constants.DT_DISKLESS:
- self.GrowDisks()
+ if (opts.disk_template in constants.DTS_GROWABLE and
+ compat.any(self.disk_growth, lambda n: n > 0)):
+ self.BurnGrowDisks()
if opts.do_failover and opts.disk_template in constants.DTS_NET_MIRROR:
- self.Failover()
+ self.BurnFailover()
- if opts.do_migrate and opts.disk_template == constants.DT_DRBD8:
- self.Migrate()
+ if opts.do_migrate:
+ if opts.disk_template != constants.DT_DRBD8:
+ Log("Skipping migration (disk template not DRBD8)")
+ elif not self.hv_class.CAN_MIGRATE:
+ Log("Skipping migration (hypervisor %s does not support it)",
+ self.hypervisor)
+ else:
+ self.BurnMigrate()
+
+ 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
opts.disk_template not in (constants.DT_DISKLESS,
constants.DT_FILE)):
- self.ImportExport()
+ self.BurnImportExport()
if opts.do_reinstall:
- self.Reinstall()
+ self.BurnReinstall()
if opts.do_reboot:
- self.Reboot()
+ self.BurnReboot()
if opts.do_addremove_disks:
- self.AddRemoveDisks()
+ 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.AddRemoveNICs()
+ 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.ActivateDisks()
+ self.BurnActivateDisks()
if opts.rename:
- self.Rename()
+ self.BurnRename()
+
+ if opts.do_confd_tests:
+ self.BurnConfd()
if opts.do_startstop:
- self.StopStart()
+ self.BurnStopStart()
has_err = False
finally:
Log("Error detected: opcode buffer follows:\n\n")
Log(self.GetFeedbackBuf())
Log("\n\n")
- self.Remove()
+ if not self.opts.keep_instances:
+ try:
+ self.BurnRemove()
+ 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", err)
+ else: # non-expected error
+ raise
return 0
projects / ganeti-local / blobdiff