import os
import sys
import optparse
+import time
+import socket
+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 logger
from ganeti import errors
from ganeti import utils
USAGE = ("\tburnin -o OS_NAME [options...] instance_name ...")
+class InstanceDown(Exception):
+ """The checked instance was not up"""
+
+
def Usage():
"""Shows program usage information and exits the program."""
sys.exit(2)
-def Log(msg):
+def Log(msg, indent=0):
"""Simple function that prints out its argument.
"""
- print msg
+ headers = {
+ 0: "- ",
+ 1: "* ",
+ 2: ""
+ }
+ sys.stdout.write("%*s%s%s\n" % (2*indent, "",
+ headers.get(indent, " "), msg))
sys.stdout.flush()
+def Err(msg, exit_code=1):
+ """Simple error logging that prints to stderr.
+
+ """
+ sys.stderr.write(msg + "\n")
+ 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."""
- logger.SetupLogging(debug=False, program="ganeti/burnin")
+ utils.SetupLogging(constants.LOG_BURNIN, debug=False, stderr_logging=True)
+ self.url_opener = SimpleOpener()
self._feed_buf = StringIO()
- self.proc = mcpu.Processor(feedback=self.Feedback)
self.nodes = []
self.instances = []
self.to_rem = []
+ self.queued_ops = []
self.opts = 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(msg)
- self._feed_buf.write("\n")
+ self._feed_buf.write("%s %s\n" % (time.ctime(utils.MergeTime(msg[0])),
+ msg[2]))
if self.opts.verbose:
- Log(msg)
+ Log(msg, indent=3)
+
+ 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 ExecOp(self, op):
+ def ExecOrQueue(self, name, *ops):
"""Execute an opcode and manage the exec buffer."""
+ 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
+ successful. Otherwise, OpExecError will be raised from within
+ cli.py.
+
+ """
self.ClearFeedbackBuf()
- return self.proc.ExecOpCode(op)
+ 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)
+ results.append(cli.PollJob(jid, cl=self.cl, feedback_fn=self.Feedback))
+
+ return results
def ParseOptions(self):
"""Parses the command line options.
parser.add_option("-o", "--os", dest="os", default=None,
help="OS to use during burnin",
metavar="<OS>")
- parser.add_option("--os-size", dest="os_size", help="Disk size",
- default=4 * 1024, type="unit", metavar="<size>")
- parser.add_option("--swap-size", dest="swap_size", help="Swap size",
- default=4 * 1024, type="unit", metavar="<size>")
+ 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-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", "plain", "drbd"),
+ choices=("diskless", "file", "plain", "drbd"),
default="drbd",
- help="Disk template (diskless, plain or drbd) [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("-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")
+ 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")
+ 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()
if len(args) < 1 or options.os is None:
Usage()
supported_disk_templates = (constants.DT_DISKLESS,
+ constants.DT_FILE,
constants.DT_PLAIN,
constants.DT_DRBD8)
if options.disk_template not in supported_disk_templates:
- Log("Unknown disk template '%s'" % options.disk_template)
- sys.exit(1)
+ Err("Unknown disk template '%s'" % options.disk_template)
+
+ if options.disk_template == constants.DT_DISKLESS:
+ disk_size = disk_growth = []
+ options.do_addremove_disks = False
+ else:
+ disk_size = [utils.ParseUnit(v) for v in options.disk_size.split(",")]
+ disk_growth = [utils.ParseUnit(v)
+ for v in options.disk_growth.split(",")]
+ if len(disk_growth) != len(disk_size):
+ Err("Wrong disk sizes/growth combination")
+ if ((disk_size and options.disk_template == constants.DT_DISKLESS) or
+ (not disk_size and options.disk_template != constants.DT_DISKLESS)):
+ Err("Wrong disk count/disk template combination")
+
+ self.disk_size = disk_size
+ self.disk_growth = disk_growth
+ self.disk_count = len(disk_size)
+
+ if options.nodes and options.iallocator:
+ Err("Give either the nodes option or the iallocator option, not both")
self.opts = options
self.instances = args
+ self.bep = {
+ constants.BE_MEMORY: options.mem_size,
+ constants.BE_VCPUS: 1,
+ }
+ self.hvp = {}
+
+ socket.setdefaulttimeout(options.net_timeout)
def GetState(self):
"""Read the cluster state from the config."""
else:
names = []
try:
- op = opcodes.OpQueryNodes(output_fields=["name"], 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)
- Log(msg)
- sys.exit(err_code)
- self.nodes = [data[0] for data in result]
+ Err(msg, exit_code=err_code)
+ self.nodes = [data[0] for data in result if not (data[1] or data[2])]
- result = self.ExecOp(opcodes.OpDiagnoseOS())
+ result = self.ExecOp(opcodes.OpDiagnoseOS(output_fields=["name", "valid"],
+ names=[]))
if not result:
- Log("Can't get the OS list")
- sys.exit(1)
+ Err("Can't get the OS list")
# filter non-valid OS-es
- oses = {}
- for node_name in result:
- oses[node_name] = [obj for obj in result[node_name] if obj]
-
- fnode = oses.keys()[0]
- os_set = set([os_inst.name for os_inst in oses[fnode]])
- del oses[fnode]
- for node in oses:
- os_set &= set([os_inst.name for os_inst in oses[node]])
+ os_set = [val[0] for val in result if val[1]]
if self.opts.os not in os_set:
- Log("OS '%s' not found" % self.opts.os)
- sys.exit(1)
+ 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)
+
+ Log("Creating instances")
for pnode, snode, instance in mytor:
+ Log("instance %s" % instance, indent=1)
+ if self.opts.iallocator:
+ pnode = snode = None
+ msg = "with iallocator %s" % self.opts.iallocator
+ elif self.opts.disk_template not in constants.DTS_NET_MIRROR:
+ snode = None
+ msg = "on %s" % pnode
+ else:
+ msg = "on %s, %s" % (pnode, snode)
+
+ Log(msg, indent=2)
+
op = opcodes.OpCreateInstance(instance_name=instance,
- mem_size=128,
- disk_size=self.opts.os_size,
- swap_size=self.opts.swap_size,
+ disks = [ {"size": size}
+ for size in self.disk_size],
disk_template=self.opts.disk_template,
+ nics=self.opts.nics,
mode=constants.INSTANCE_CREATE,
os_type=self.opts.os,
pnode=pnode,
snode=snode,
- vcpus=1,
start=True,
ip_check=True,
wait_for_sync=True,
- mac="auto",
- kernel_path=None,
- initrd_path=None,
- hvm_boot_order=None)
- Log("- Add instance %s on nodes %s/%s" % (instance, pnode, snode))
- self.ExecOp(op)
+ file_driver="loop",
+ file_storage_dir=None,
+ iallocator=self.opts.iallocator,
+ beparams=self.bep,
+ hvparams=self.hvp,
+ )
+
+ self.ExecOrQueue(instance, op)
self.to_rem.append(instance)
- def ReplaceDisks1D8(self):
+ self.CommitQueue()
+
+ for instance in self.instances:
+ self._CheckInstanceAlive(instance)
+
+ 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)
+ 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.ExecOrQueue(instance, op)
+ self.CommitQueue()
+
+ 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=["sda", "sdb"])
- Log("- Replace disks (%s) for instance %s" % (mode, instance))
- self.ExecOp(op)
+ disks=[i for i in range(self.disk_count)])
+ Log("run %s" % mode, indent=2)
+ ops.append(op)
+ self.ExecOrQueue(instance, *ops)
+ self.CommitQueue()
- def ReplaceDisks2(self):
+ def BurnReplaceDisks2(self):
"""Replace secondary node."""
- mode = constants.REPLACE_DISK_SEC
+ 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)
+ if self.opts.iallocator:
+ tnode = None
+ msg = "with iallocator %s" % self.opts.iallocator
+ else:
+ msg = tnode
op = opcodes.OpReplaceDisks(instance_name=instance,
mode=mode,
remote_node=tnode,
- disks=["sda", "sdb"])
- Log("- Replace secondary (%s) for instance %s" % (mode, instance))
- self.ExecOp(op)
+ iallocator=self.opts.iallocator,
+ disks=[i for i in range(self.disk_count)])
+ Log("run %s %s" % (mode, msg), indent=2)
+ self.ExecOrQueue(instance, op)
+ self.CommitQueue()
- def Failover(self):
+ def BurnFailover(self):
"""Failover the instances."""
-
+ Log("Failing over instances")
for instance in self.instances:
+ Log("instance %s" % instance, indent=1)
op = opcodes.OpFailoverInstance(instance_name=instance,
ignore_consistency=False)
- Log("- Failover instance %s" % (instance))
- self.ExecOp(op)
+ self.ExecOrQueue(instance, op)
+ self.CommitQueue()
+ for instance in self.instances:
+ self._CheckInstanceAlive(instance)
+
+ def BurnMigrate(self):
+ """Migrate the instances."""
+ Log("Migrating instances")
+ for instance in self.instances:
+ Log("instance %s" % instance, indent=1)
+ op1 = opcodes.OpMigrateInstance(instance_name=instance, live=True,
+ cleanup=False)
- def ImportExport(self):
+ 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 BurnImportExport(self):
"""Export the instance, delete it, and import it back.
"""
-
+ Log("Exporting and re-importing instances")
mytor = izip(cycle(self.nodes),
islice(cycle(self.nodes), 1, None),
islice(cycle(self.nodes), 2, None),
self.instances)
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"
+ " with iallocator %s" %
+ (enode, self.opts.iallocator))
+ elif self.opts.disk_template not in constants.DTS_NET_MIRROR:
+ snode = None
+ import_log_msg = ("import from %s to %s" %
+ (enode, pnode))
+ else:
+ import_log_msg = ("import from %s to %s, %s" %
+ (enode, pnode, snode))
+
exp_op = opcodes.OpExportInstance(instance_name=instance,
target_node=enode,
shutdown=True)
- rem_op = opcodes.OpRemoveInstance(instance_name=instance)
- nam_op = opcodes.OpQueryInstances(output_fields=["name"],
- names=[instance])
- full_name = self.ExecOp(nam_op)[0][0]
+ rem_op = opcodes.OpRemoveInstance(instance_name=instance,
+ ignore_failures=True)
imp_dir = os.path.join(constants.EXPORT_DIR, full_name)
imp_op = opcodes.OpCreateInstance(instance_name=instance,
- mem_size=128,
- disk_size=self.opts.os_size,
- swap_size=self.opts.swap_size,
+ disks = [ {"size": size}
+ for size in self.disk_size],
disk_template=self.opts.disk_template,
+ nics=self.opts.nics,
mode=constants.INSTANCE_IMPORT,
src_node=enode,
src_path=imp_dir,
pnode=pnode,
snode=snode,
- vcpus=1,
start=True,
ip_check=True,
wait_for_sync=True,
- mac="auto")
-
- Log("- Export instance %s to node %s" % (instance, enode))
- self.ExecOp(exp_op)
- Log("- Remove instance %s" % (instance))
- self.ExecOp(rem_op)
- self.to_rem.remove(instance)
- Log("- Import instance %s from node %s to node %s" %
- (instance, enode, pnode))
- self.ExecOp(imp_op)
- self.to_rem.append(instance)
+ file_storage_dir=None,
+ file_driver="loop",
+ iallocator=self.opts.iallocator,
+ beparams=self.bep,
+ hvparams=self.hvp,
+ )
+
+ erem_op = opcodes.OpRemoveExport(instance_name=instance)
+
+ 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)
+
+ self.CommitQueue()
+ for instance in self.instances:
+ self._CheckInstanceAlive(instance)
+
+ def StopInstanceOp(self, instance):
+ """Stop given instance."""
+ return opcodes.OpShutdownInstance(instance_name=instance)
- def StopStart(self):
+ def StartInstanceOp(self, instance):
+ """Start given instance."""
+ return opcodes.OpStartupInstance(instance_name=instance, force=False)
+
+ def RenameInstanceOp(self, instance, instance_new):
+ """Rename instance."""
+ return opcodes.OpRenameInstance(instance_name=instance,
+ new_name=instance_new)
+
+ def BurnStopStart(self):
"""Stop/start the instances."""
+ Log("Stopping and starting instances")
for instance in self.instances:
- op = opcodes.OpShutdownInstance(instance_name=instance)
- Log("- Shutdown instance %s" % instance)
- self.ExecOp(op)
- op = opcodes.OpStartupInstance(instance_name=instance, force=False)
- Log("- Start instance %s" % instance)
- self.ExecOp(op)
-
- def Remove(self):
+ Log("instance %s" % instance, indent=1)
+ op1 = self.StopInstanceOp(instance)
+ op2 = self.StartInstanceOp(instance)
+ self.ExecOrQueue(instance, op1, op2)
+
+ self.CommitQueue()
+
+ for instance in self.instances:
+ self._CheckInstanceAlive(instance)
+
+ def BurnRemove(self):
"""Remove the instances."""
+ Log("Removing instances")
for instance in self.to_rem:
- op = opcodes.OpRemoveInstance(instance_name=instance)
- Log("- Remove instance %s" % instance)
- self.ExecOp(op)
+ Log("instance %s" % instance, indent=1)
+ op = opcodes.OpRemoveInstance(instance_name=instance,
+ ignore_failures=True)
+ self.ExecOrQueue(instance, op)
+
+ self.CommitQueue()
+
+ 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)
+ 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.ExecOp(op_stop2, op_rename2, op_start2)
+ self._CheckInstanceAlive(instance)
+
+ def BurnReinstall(self):
+ """Reinstall the instances."""
+ Log("Reinstalling instances")
+ for instance in self.instances:
+ Log("instance %s" % instance, indent=1)
+ op1 = self.StopInstanceOp(instance)
+ op2 = opcodes.OpReinstallInstance(instance_name=instance)
+ Log("reinstall without passing the OS", indent=2)
+ op3 = opcodes.OpReinstallInstance(instance_name=instance,
+ os_type=self.opts.os)
+ Log("reinstall specifying the OS", indent=2)
+ op4 = self.StartInstanceOp(instance)
+ self.ExecOrQueue(instance, op1, op2, op3, op4)
+
+ self.CommitQueue()
+
+ for instance in self.instances:
+ self._CheckInstanceAlive(instance)
+
+ 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)
+ ops.append(op)
+ self.ExecOrQueue(instance, *ops)
+
+ self.CommitQueue()
+
+ for instance in self.instances:
+ self._CheckInstanceAlive(instance)
+
+ 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)
+ Log("activate disks when offline", indent=2)
+ Log("deactivate disks (when offline)", indent=2)
+ self.ExecOrQueue(instance, op_act, op_stop, op_act, op_deact, op_start)
+ self.CommitQueue()
+ for instance in self.instances:
+ self._CheckInstanceAlive(instance)
+
+ 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)
+ 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)
+ Log("removing last disk", indent=2)
+ self.ExecOrQueue(instance, op_add, op_stop, op_rem, op_start)
+ self.CommitQueue()
+ for instance in self.instances:
+ self._CheckInstanceAlive(instance)
+
+ 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)
+ 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)
+ Log("removing last NIC", indent=2)
+ self.ExecOrQueue(instance, op_add, op_rem)
+ self.CommitQueue()
+
+ def _CheckInstanceAlive(self, instance):
+ """Check if an instance is alive by doing http checks.
+
+ This will try to retrieve the url on the instance /hostname.txt
+ and check that it contains the hostname of the instance. In case
+ we get ECONNREFUSED, we retry up to the net timeout seconds, for
+ any other error we abort.
+
+ """
+ if not self.opts.http_check:
+ return
+ 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)))
def BurninCluster(self):
"""Test a cluster intensively.
opts = self.opts
- Log("- Testing global parameters")
+ Log("Testing global parameters")
if (len(self.nodes) == 1 and
- opts.disk_template not in (constants.DT_DISKLESS, constants.DT_PLAIN)):
- Log("When one node is available/selected the disk template must"
- " be 'plain' or 'diskless'")
- sys.exit(1)
+ opts.disk_template not in (constants.DT_DISKLESS, constants.DT_PLAIN,
+ constants.DT_FILE)):
+ Err("When one node is available/selected the disk template must"
+ " be 'diskless', 'file' or 'plain'")
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 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.BurnMigrate()
+
+ if (opts.do_importexport and
+ opts.disk_template not in (constants.DT_DISKLESS,
+ constants.DT_FILE)):
+ self.BurnImportExport()
+
+ if opts.do_reinstall:
+ self.BurnReinstall()
+
+ if opts.do_reboot:
+ self.BurnReboot()
+
+ if opts.do_addremove_disks:
+ self.BurnAddRemoveDisks()
+
+ if opts.do_addremove_nics:
+ self.BurnAddRemoveNICs()
+
+ if opts.do_activate_disks:
+ self.BurnActivateDisks()
- if opts.do_importexport:
- self.ImportExport()
+ if opts.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
"""Main function"""
burner = Burner()
- try:
- utils.Lock('cmd', max_retries=15, debug=True)
- except errors.LockError, err:
- logger.ToStderr(str(err))
- return 1
- try:
- retval = burner.BurninCluster()
- finally:
- utils.Unlock('cmd')
- utils.LockCleanup()
- return retval
+ return burner.BurninCluster()
if __name__ == "__main__":
projects / ganeti-local / blobdiff