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
sys.stderr.flush()
sys.exit(exit_code)
+
+class SimpleOpener(urllib.FancyURLopener):
+ """A simple url opener"""
+
+ def prompt_user_passwd(self, host, realm, clear_cache = 0):
+ """No-interaction version of prompt_user_passwd."""
+ 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))
+
+
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.ParseOptions()
+ self.cl = cli.GetClient()
self.GetState()
def ClearFeedbackBuf(self):
if self.opts.verbose:
Log(msg, indent=3)
- def ExecOp(self, op):
+ def ExecOp(self, *ops):
+ """Execute one or more opcodes and manage the exec buffer.
+
+ @result: 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 ExecOrQueue(self, name, *ops):
"""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.queued_ops.append((ops, name))
+ else:
+ return self.ExecOp(*ops)
+
+ def CommitQueue(self):
+ """Execute all submitted opcodes in case of parallel burnin"""
+ if not self.opts.parallel:
+ return
+
+ try:
+ results = 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)
+ 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 in job_ids:
- Log("Waiting for job %s" % jid, indent=2)
+ for jid, (_, iname) in zip(job_ids, jobs):
+ Log("waiting for job %s for %s" % (jid, iname), indent=2)
results.append(cli.PollJob(jid, cl=self.cl, feedback_fn=self.Feedback))
return results
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",
+ parser.add_option("-I", "--iallocator", dest="iallocator",
default=None, type="string",
help="Perform the allocation using an iallocator"
" instead of fixed node spread (node restrictions no"
help="Enable checking of instance status via http,"
" looking for /hostname.txt that should contain the"
" name of the instance")
+ parser.add_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")
options, args = parser.parse_args()
else:
names = []
try:
- op = opcodes.OpQueryNodes(output_fields=["name", "offline"], names=names)
+ op = opcodes.OpQueryNodes(output_fields=["name", "offline", "drained"],
+ names=names, use_locking=True)
result = self.ExecOp(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=[]))
if self.opts.os not in os_set:
Err("OS '%s' not found" % self.opts.os)
- def CreateInstances(self):
+ 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:
hvparams=self.hvp,
)
- 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)
+ self.ExecOrQueue(instance, op)
+ self.to_rem.append(instance)
+
+ self.CommitQueue()
for instance in self.instances:
self._CheckInstanceAlive(instance)
- def GrowDisks(self):
+ 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:
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)
+ self.ExecOrQueue(instance, op)
+ self.CommitQueue()
- def ReplaceDisks1D8(self):
+ 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)
+ 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)
+ ops.append(op)
+ self.ExecOrQueue(instance, *ops)
+ self.CommitQueue()
- def ReplaceDisks2(self):
+ def BurnReplaceDisks2(self):
"""Replace secondary node."""
Log("Changing the secondary node")
mode = constants.REPLACE_DISK_CHG
iallocator=self.opts.iallocator,
disks=[i for i in range(self.disk_count)])
Log("run %s %s" % (mode, msg), indent=2)
- self.ExecOp(op)
+ self.ExecOrQueue(instance, op)
+ self.CommitQueue()
- def Failover(self):
+ def BurnFailover(self):
"""Failover the instances."""
Log("Failing over instances")
for instance in self.instances:
op = opcodes.OpFailoverInstance(instance_name=instance,
ignore_consistency=False)
- self.ExecOp(op)
+ self.ExecOrQueue(instance, op)
+ self.CommitQueue()
for instance in self.instances:
self._CheckInstanceAlive(instance)
- def Migrate(self):
+ def BurnMigrate(self):
"""Migrate the instances."""
-
- for instance in self.instances:
- op = opcodes.OpMigrateInstance(instance_name=instance, live=True,
- cleanup=False)
-
- Log("- Migrate instance %s" % (instance))
- self.ExecOp(op)
+ Log("Migrating instances")
for instance in self.instances:
- op = opcodes.OpMigrateInstance(instance_name=instance, live=True,
- cleanup=True)
+ Log("instance %s" % instance, indent=1)
+ op1 = opcodes.OpMigrateInstance(instance_name=instance, live=True,
+ cleanup=False)
- Log("- Testing 'migrate --cleanup' for instance %s" % (instance))
- self.ExecOp(op)
+ op2 = opcodes.OpMigrateInstance(instance_name=instance, live=True,
+ cleanup=True)
+ Log("migration and migration cleanup", indent=2)
+ self.ExecOrQueue(instance, op1, op2)
+ self.CommitQueue()
- def ImportExport(self):
+ def BurnImportExport(self):
"""Export the instance, delete it, and import it back.
"""
for pnode, snode, enode, instance in mytor:
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(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_op = opcodes.OpCreateInstance(instance_name=instance,
disks = [ {"size": size}
erem_op = opcodes.OpRemoveExport(instance_name=instance)
Log("export to node %s" % enode, indent=2)
- self.ExecOp(exp_op)
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.to_rem.append(instance)
+ self.ExecOrQueue(instance, exp_op, rem_op, imp_op, erem_op)
+ self.CommitQueue()
for instance in self.instances:
self._CheckInstanceAlive(instance)
- def StopInstance(self, instance):
+ def StopInstanceOp(self, 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):
+ def StartInstanceOp(self, 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):
+ def RenameInstanceOp(self, 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):
+ 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)
+ op1 = self.StopInstanceOp(instance)
+ op2 = self.StartInstanceOp(instance)
+ self.ExecOrQueue(instance, op1, op2)
+
+ self.CommitQueue()
for instance in self.instances:
self._CheckInstanceAlive(instance)
- def Remove(self):
+ def BurnRemove(self):
"""Remove the instances."""
Log("Removing instances")
for instance in self.to_rem:
Log("instance %s" % instance, indent=1)
op = opcodes.OpRemoveInstance(instance_name=instance,
ignore_failures=True)
- self.ExecOp(op)
+ self.ExecOrQueue(instance, op)
+
+ self.CommitQueue()
- 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)
+ 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(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(op_stop2, op_rename2, op_start2)
self._CheckInstanceAlive(instance)
- def Reinstall(self):
+ 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)
+ 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)
+ op4 = self.StartInstanceOp(instance)
+ self.ExecOrQueue(instance, op1, op2, op3, op4)
+
+ self.CommitQueue()
+
for instance in self.instances:
self._CheckInstanceAlive(instance)
- def Reboot(self):
+ def BurnReboot(self):
"""Reboot the instances."""
Log("Rebooting instances")
for instance in self.instances:
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)
- self.ExecOp(op)
- self._CheckInstanceAlive(instance)
+ ops.append(op)
+ self.ExecOrQueue(instance, *ops)
+
+ self.CommitQueue()
+
+ for instance in self.instances:
+ self._CheckInstanceAlive(instance)
- def ActivateDisks(self):
+ 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)
+ 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)
+ self.ExecOrQueue(instance, op_act, op_stop, op_act, op_deact, op_start)
+ self.CommitQueue()
for instance in self.instances:
self._CheckInstanceAlive(instance)
- def AddRemoveDisks(self):
+ def BurnAddRemoveDisks(self):
"""Add and remove an extra disk for the instances."""
Log("Adding and removing disks")
for instance in self.instances:
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)
+ self.ExecOrQueue(instance, op_add, op_stop, op_rem, op_start)
+ self.CommitQueue()
for instance in self.instances:
self._CheckInstanceAlive(instance)
- def AddRemoveNICs(self):
+ def BurnAddRemoveNICs(self):
"""Add and remove an extra NIC for the instances."""
Log("Adding and removing NICs")
for instance in self.instances:
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)
+ self.CommitQueue()
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 != constants.DT_DISKLESS and
+ utils.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()
+ self.BurnMigrate()
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()
if opts.do_addremove_nics:
- self.AddRemoveNICs()
+ self.BurnAddRemoveNICs()
if opts.do_activate_disks:
- self.ActivateDisks()
+ self.BurnActivateDisks()
if opts.rename:
- self.Rename()
+ self.BurnRename()
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:
+ self.BurnRemove()
return 0
projects / ganeti-local / blobdiff