X-Git-Url: https://code.grnet.gr/git/ganeti-local/blobdiff_plain/79f87a76432e3dff9bd5b61841bf18617638c7b3..da961187f97344fde390140ebb2f10d10d334d51:/tools/burnin diff --git a/tools/burnin b/tools/burnin index 4110c48..d0ef877 100755 --- a/tools/burnin +++ b/tools/burnin @@ -1,20 +1,51 @@ #!/usr/bin/python # +# Copyright (C) 2006, 2007 Google Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + + +"""Burnin program + +""" + +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 objects 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.""" @@ -23,193 +54,747 @@ def Usage(): sys.exit(2) -def Feedback(msg): +def Log(msg, indent=0): """Simple function that prints out its argument. """ - print msg - - -def ParseOptions(): - """Parses the command line options. - - In case of command line errors, it will show the usage and exit the - program. - - Returns: - (options, args), as returned by OptionParser.parse_args - """ - - 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="") - parser.add_option("--os-size", dest="os_size", help="Disk size", - default=4 * 1024, type="unit", metavar="") - parser.add_option("--swap-size", dest="swap_size", help="Swap size", - default=4 * 1024, type="unit", metavar="") - 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="Do disk replacement with the same secondary", - action="store_false", default=True) - parser.add_option("--no-replace2", dest="do_replace2", - help="Do disk replacement with a different secondary", - action="store_false", default=True) - parser.add_option("--no-failover", dest="do_failover", - help="Do instance failovers", action="store_false", - default=True) - parser.add_option("-t", "--disk-template", dest="disk_template", - choices=("remote_raid1", "drbd8"), default="remote_raid1", - help="Template type for network mirroring (remote_raid1" - " or drbd8) [remote_raid1]") - - options, args = parser.parse_args() - if len(args) < 1 or options.os is None: - Usage() - - return options, args - - -def BurninCluster(opts, args): - """Test a cluster intensively. - - This will create instances and then start/stop/failover them. - It is safe for existing instances but could impact performance. + 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. """ - - logger.SetupLogging(debug=True, program="ganeti/burnin") - proc = mcpu.Processor(feedback=Feedback) - result = proc.ExecOpCode(opcodes.OpQueryNodes(output_fields=["name"], - names=[])) - nodelist = [data[0] for data in result] - - Feedback("- Testing global parameters") - - result = proc.ExecOpCode(opcodes.OpDiagnoseOS()) - - if not result: - Feedback("Can't get the OS list") - return 1 - - # filter non-valid OS-es - oses = {} - for node_name in result: - oses[node_name] = [obj for obj in result[node_name] - if isinstance(obj, objects.OS)] - - 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]]) - - if opts.os not in os_set: - Feedback("OS '%s' not found" % opts.os) - return 1 - - to_remove = [] - if opts.disk_template == "remote_raid1": - disk_template = constants.DT_REMOTE_RAID1 - elif opts.disk_template == "drbd8": - disk_template = constants.DT_DRBD8 - else: - Feedback("Unknown disk template '%s'" % opts.disk_template) - return 1 - try: - idx = 0 - for instance_name in args: - next_idx = idx + 1 - if next_idx >= len(nodelist): - next_idx = 0 - pnode = nodelist[idx] - snode = nodelist[next_idx] - if len(nodelist) > 1: - tplate = disk_template + 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.""" + 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.ParseOptions() + self.cl = cli.GetClient() + self.GetState() + + def ClearFeedbackBuf(self): + """Clear the feedback buffer.""" + self._feed_buf.truncate(0) + + def GetFeedbackBuf(self): + """Return the contents of the buffer.""" + return self._feed_buf.getvalue() + + def Feedback(self, msg): + """Acumulate feedback in our buffer.""" + self._feed_buf.write("%s %s\n" % (time.ctime(utils.MergeTime(msg[0])), + msg[2])) + if self.opts.verbose: + 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 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() + 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. + + In case of command line errors, it will show the usage and exit the + 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="") + parser.add_option("--disk-size", dest="disk_size", + help="Disk size (determines disk count)", + default="128m", type="string", metavar="") + parser.add_option("--disk-growth", dest="disk_growth", help="Disk growth", + default="128m", type="string", metavar="") + parser.add_option("--mem-size", dest="mem_size", help="Memory size", + default=128, type="unit", metavar="") + 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="") + 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("-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: + 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.""" + if self.opts.nodes: + names = self.opts.nodes.split(",") + else: + names = [] + try: + 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] or data[2])] + + result = self.ExecOp(opcodes.OpDiagnoseOS(output_fields=["name", "valid"], + names=[])) + + 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]] + + if self.opts.os not in os_set: + Err("OS '%s' not found" % self.opts.os) + + def BurnCreateInstances(self): + """Create the given instances. + + """ + self.to_rem = [] + 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: - tplate = constants.DT_PLAIN + msg = "on %s, %s" % (pnode, snode) - op = opcodes.OpCreateInstance(instance_name=instance_name, mem_size=128, - disk_size=opts.os_size, - swap_size=opts.swap_size, - disk_template=tplate, + Log(msg, indent=2) + + op = opcodes.OpCreateInstance(instance_name=instance, + 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=opts.os, pnode=pnode, - snode=snode, vcpus=1, + os_type=self.opts.os, + pnode=pnode, + snode=snode, start=True, ip_check=True, - wait_for_sync=True) - Feedback("- Add instance %s on node %s" % (instance_name, pnode)) - result = proc.ExecOpCode(op) - to_remove.append(instance_name) - idx = next_idx - - - if opts.do_replace1: - if len(nodelist) > 1: - # failover - for instance_name in args: - op = opcodes.OpReplaceDisks(instance_name=instance_name, - remote_node=None, - mode=constants.REPLACE_DISK_ALL, - disks=["sda", "sdb"]) - - Feedback("- Replace disks for instance %s" % (instance_name)) - result = proc.ExecOpCode(op) + wait_for_sync=True, + 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) + + 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=[i for i in range(self.disk_count)]) + Log("run %s" % mode, indent=2) + ops.append(op) + self.ExecOrQueue(instance, *ops) + self.CommitQueue() + + 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) + if self.opts.iallocator: + tnode = None + msg = "with iallocator %s" % self.opts.iallocator else: - Feedback("- Can't run replace1, not enough nodes") - - if opts.do_failover: - if len(nodelist) > 1: - # failover - for instance_name in args: - op = opcodes.OpFailoverInstance(instance_name=instance_name, - ignore_consistency=True) - - Feedback("- Failover instance %s" % (instance_name)) - result = proc.ExecOpCode(op) + msg = tnode + op = opcodes.OpReplaceDisks(instance_name=instance, + 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.ExecOrQueue(instance, op) + self.CommitQueue() + + 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) + + 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) + + 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: - Feedback("- Can't run failovers, not enough nodes") - - # stop / start - for instance_name in args: - op = opcodes.OpShutdownInstance(instance_name=instance_name) - Feedback("- Shutdown instance %s" % instance_name) - result = proc.ExecOpCode(op) - op = opcodes.OpStartupInstance(instance_name=instance_name, force=False) - Feedback("- Start instance %s" % instance_name) - result = proc.ExecOpCode(op) - - finally: - # remove - for instance_name in to_remove: - op = opcodes.OpRemoveInstance(instance_name=instance_name) - Feedback("- Remove instance %s" % instance_name) - result = proc.ExecOpCode(op) - - return 0 + 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, + ignore_failures=True) + imp_dir = os.path.join(constants.EXPORT_DIR, full_name) + imp_op = opcodes.OpCreateInstance(instance_name=instance, + 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, + start=True, + ip_check=True, + wait_for_sync=True, + 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 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: + 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: + 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. + + This will create instances and then start/stop/failover them. + It is safe for existing instances but could impact performance. + + """ + + opts = self.opts + + Log("Testing global parameters") + + if (len(self.nodes) == 1 and + 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.BurnCreateInstances() + if opts.do_replace1 and opts.disk_template in constants.DTS_NET_MIRROR: + self.BurnReplaceDisks1D8() + if (opts.do_replace2 and len(self.nodes) > 2 and + opts.disk_template in constants.DTS_NET_MIRROR) : + 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.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.rename: + self.BurnRename() + + if opts.do_startstop: + self.BurnStopStart() + + has_err = False + finally: + if has_err: + Log("Error detected: opcode buffer follows:\n\n") + Log(self.GetFeedbackBuf()) + Log("\n\n") + if not self.opts.keep_instances: + self.BurnRemove() + + return 0 + def main(): """Main function""" - opts, args = ParseOptions() - try: - utils.Lock('cmd', max_retries=15, debug=True) - except errors.LockError, err: - logger.ToStderr(str(err)) - return 1 - try: - retval = BurninCluster(opts, args) - finally: - utils.Unlock('cmd') - utils.LockCleanup() - return retval + burner = Burner() + return burner.BurninCluster() + if __name__ == "__main__": main()