Revision 175f44c2 tools/burnin
| b/tools/burnin | ||
|---|---|---|
| 1 | 1 |
#!/usr/bin/python |
| 2 | 2 |
# |
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|
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"""Burnin program""" |
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|
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import sys |
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import optparse |
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from itertools import izip, islice, cycle |
|
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|
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from ganeti import opcodes |
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from ganeti import mcpu |
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from ganeti import objects |
|
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from ganeti import constants |
| 11 | 13 |
from ganeti import cli |
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from ganeti import logger |
| ... | ... | |
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print >> sys.stderr, USAGE |
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sys.exit(2) |
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|
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def Feedback(msg): |
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"""Simple function that prints out its argument. |
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|
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""" |
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print msg |
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|
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def ParseOptions(): |
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"""Parses the command line options. |
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|
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In case of command line errors, it will show the usage and exit the |
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program. |
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|
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Returns: |
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(options, args), as returned by OptionParser.parse_args |
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""" |
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|
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parser = optparse.OptionParser(usage="\n%s" % USAGE, |
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version="%%prog (ganeti) %s" % |
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constants.RELEASE_VERSION, |
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option_class=cli.CliOption) |
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|
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parser.add_option("-o", "--os", dest="os", default=None,
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help="OS to use during burnin", |
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metavar="<OS>") |
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parser.add_option("--os-size", dest="os_size", help="Disk size",
|
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default=4 * 1024, type="unit", metavar="<size>") |
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parser.add_option("--swap-size", dest="swap_size", help="Swap size",
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default=4 * 1024, type="unit", metavar="<size>") |
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parser.add_option("-v", "--verbose",
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action="store_true", dest="verbose", default=False, |
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help="print command execution messages to stdout") |
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parser.add_option("--no-replace1", dest="do_replace1",
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help="Do disk replacement with the same secondary", |
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action="store_false", default=True) |
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parser.add_option("--no-replace2", dest="do_replace2",
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help="Do disk replacement with a different secondary", |
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action="store_false", default=True) |
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parser.add_option("--no-failover", dest="do_failover",
|
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help="Do instance failovers", action="store_false", |
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default=True) |
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parser.add_option("-t", "--disk-template", dest="disk_template",
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choices=("remote_raid1", "drbd8"), default="remote_raid1",
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help="Template type for network mirroring (remote_raid1" |
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" or drbd8) [remote_raid1]") |
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parser.add_option("-n", "--nodes", dest="nodes", default="",
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help="Comma separated list of nodes to perform the burnin" |
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" on (defaults to all nodes)") |
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|
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options, args = parser.parse_args() |
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if len(args) < 1 or options.os is None: |
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Usage() |
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|
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return options, args |
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|
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|
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def BurninCluster(opts, args): |
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"""Test a cluster intensively. |
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|
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This will create instances and then start/stop/failover them. |
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It is safe for existing instances but could impact performance. |
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|
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""" |
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|
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logger.SetupLogging(debug=True, program="ganeti/burnin") |
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proc = mcpu.Processor(feedback=Feedback) |
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if opts.nodes: |
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names = opts.nodes.split(",")
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else: |
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names = [] |
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try: |
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result = proc.ExecOpCode(opcodes.OpQueryNodes(output_fields=["name"], |
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names=names)) |
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except errors.GenericError, err: |
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err_code, msg = cli.FormatError(err) |
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Feedback(msg) |
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return err_code |
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nodelist = [data[0] for data in result] |
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Feedback("- Testing global parameters")
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result = proc.ExecOpCode(opcodes.OpDiagnoseOS()) |
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|
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if not result: |
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Feedback("Can't get the OS list")
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return 1 |
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|
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# filter non-valid OS-es |
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oses = {}
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for node_name in result: |
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oses[node_name] = [obj for obj in result[node_name] |
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if isinstance(obj, objects.OS)] |
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fnode = oses.keys()[0] |
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os_set = set([os_inst.name for os_inst in oses[fnode]]) |
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del oses[fnode] |
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for node in oses: |
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os_set &= set([os_inst.name for os_inst in oses[node]]) |
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|
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if opts.os not in os_set: |
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Feedback("OS '%s' not found" % opts.os)
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return 1 |
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to_remove = [] |
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if opts.disk_template == "remote_raid1": |
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disk_template = constants.DT_REMOTE_RAID1 |
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elif opts.disk_template == "drbd8": |
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disk_template = constants.DT_DRBD8 |
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else: |
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Feedback("Unknown disk template '%s'" % opts.disk_template)
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return 1 |
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try: |
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idx = 0 |
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for instance_name in args: |
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next_idx = idx + 1 |
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if next_idx >= len(nodelist): |
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next_idx = 0 |
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pnode = nodelist[idx] |
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snode = nodelist[next_idx] |
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if len(nodelist) > 1: |
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tplate = disk_template |
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else: |
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tplate = constants.DT_PLAIN |
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|
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op = opcodes.OpCreateInstance(instance_name=instance_name, mem_size=128, |
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disk_size=opts.os_size, |
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swap_size=opts.swap_size, |
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disk_template=tplate, |
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class Burner(object): |
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"""Burner class.""" |
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|
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def __init__(self): |
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"""Constructor.""" |
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logger.SetupLogging(debug=True, program="ganeti/burnin") |
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self.proc = mcpu.Processor(feedback=Feedback) |
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self.nodes = [] |
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self.instances = [] |
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self.to_rem = [] |
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self.opts = None |
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self.ParseOptions() |
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self.GetState() |
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|
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def ParseOptions(self): |
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"""Parses the command line options. |
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|
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In case of command line errors, it will show the usage and exit the |
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program. |
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|
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""" |
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|
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parser = optparse.OptionParser(usage="\n%s" % USAGE, |
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version="%%prog (ganeti) %s" % |
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constants.RELEASE_VERSION, |
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option_class=cli.CliOption) |
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|
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parser.add_option("-o", "--os", dest="os", default=None,
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help="OS to use during burnin", |
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metavar="<OS>") |
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parser.add_option("--os-size", dest="os_size", help="Disk size",
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default=4 * 1024, type="unit", metavar="<size>") |
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parser.add_option("--swap-size", dest="swap_size", help="Swap size",
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default=4 * 1024, type="unit", metavar="<size>") |
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parser.add_option("-v", "--verbose",
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action="store_true", dest="verbose", default=False, |
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help="print command execution messages to stdout") |
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parser.add_option("--no-replace1", dest="do_replace1",
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help="Skip disk replacement with the same secondary", |
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action="store_false", default=True) |
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parser.add_option("--no-replace2", dest="do_replace2",
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help="Skip disk replacement with a different secondary", |
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action="store_false", default=True) |
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parser.add_option("--no-failover", dest="do_failover",
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help="Skip instance failovers", action="store_false", |
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default=True) |
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parser.add_option("-t", "--disk-template", dest="disk_template",
|
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choices=("remote_raid1", "drbd8"),
|
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default="remote_raid1", |
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help="Template type for network mirroring (remote_raid1" |
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" or drbd8) [remote_raid1]") |
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parser.add_option("-n", "--nodes", dest="nodes", default="",
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help="Comma separated list of nodes to perform" |
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" the burnin on (defaults to all nodes)") |
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options, args = parser.parse_args() |
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if len(args) < 1 or options.os is None: |
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Usage() |
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|
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if options.disk_template == "plain": |
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disk_template = constants.DT_PLAIN |
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elif options.disk_template == "remote_raid1": |
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disk_template = constants.DT_REMOTE_RAID1 |
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elif options.disk_template == "drbd8": |
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disk_template = constants.DT_DRBD8 |
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else: |
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Feedback("Unknown disk template '%s'" % options.disk_template)
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sys.exit(1) |
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|
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options.disk_template = disk_template |
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self.opts = options |
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self.instances = args |
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|
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def GetState(self): |
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"""Read the cluster state from the config.""" |
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if self.opts.nodes: |
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names = self.opts.nodes.split(",")
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else: |
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names = [] |
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try: |
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op = opcodes.OpQueryNodes(output_fields=["name"], names=names) |
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result = self.proc.ExecOpCode(op) |
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except errors.GenericError, err: |
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err_code, msg = cli.FormatError(err) |
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Feedback(msg) |
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sys.exit(err_code) |
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self.nodes = [data[0] for data in result] |
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|
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result = self.proc.ExecOpCode(opcodes.OpDiagnoseOS()) |
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|
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if not result: |
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Feedback("Can't get the OS list")
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sys.exit(1) |
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|
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# filter non-valid OS-es |
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oses = {}
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for node_name in result: |
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oses[node_name] = [obj for obj in result[node_name] if obj] |
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|
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fnode = oses.keys()[0] |
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os_set = set([os_inst.name for os_inst in oses[fnode]]) |
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del oses[fnode] |
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for node in oses: |
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os_set &= set([os_inst.name for os_inst in oses[node]]) |
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|
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if self.opts.os not in os_set: |
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Feedback("OS '%s' not found" % self.opts.os)
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sys.exit(1) |
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|
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def CreateInstances(self): |
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"""Create the given instances. |
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|
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""" |
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self.to_rem = [] |
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mytor = izip(cycle(self.nodes), |
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islice(cycle(self.nodes), 1, None), |
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self.instances) |
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for pnode, snode, instance in mytor: |
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op = opcodes.OpCreateInstance(instance_name=instance, |
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mem_size=128, |
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disk_size=self.opts.os_size, |
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swap_size=self.opts.swap_size, |
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disk_template=self.opts.disk_template, |
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mode=constants.INSTANCE_CREATE, |
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os_type=opts.os, pnode=pnode, |
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snode=snode, vcpus=1, |
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os_type=self.opts.os, |
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pnode=pnode, |
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snode=snode, |
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vcpus=1, |
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start=True, |
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ip_check=True, |
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wait_for_sync=True) |
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Feedback("- Add instance %s on node %s" % (instance_name, pnode))
|
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result = proc.ExecOpCode(op) |
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to_remove.append(instance_name) |
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idx = next_idx |
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|
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if opts.do_replace1: |
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if len(nodelist) > 1: |
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# failover |
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for instance_name in args: |
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op = opcodes.OpReplaceDisks(instance_name=instance_name, |
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remote_node=None, |
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mode=constants.REPLACE_DISK_ALL, |
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disks=["sda", "sdb"]) |
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|
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Feedback("- Replace disks for instance %s" % (instance_name))
|
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result = proc.ExecOpCode(op) |
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else: |
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Feedback("- Can't run replace1, not enough nodes")
|
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|
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if opts.do_failover: |
|
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if len(nodelist) > 1: |
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# failover |
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for instance_name in args: |
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op = opcodes.OpFailoverInstance(instance_name=instance_name, |
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ignore_consistency=True) |
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|
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Feedback("- Failover instance %s" % (instance_name))
|
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result = proc.ExecOpCode(op) |
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else: |
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Feedback("- Can't run failovers, not enough nodes")
|
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|
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# stop / start |
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for instance_name in args: |
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op = opcodes.OpShutdownInstance(instance_name=instance_name) |
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Feedback("- Shutdown instance %s" % instance_name)
|
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result = proc.ExecOpCode(op) |
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op = opcodes.OpStartupInstance(instance_name=instance_name, force=False) |
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Feedback("- Start instance %s" % instance_name)
|
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result = proc.ExecOpCode(op) |
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|
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finally: |
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# remove |
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for instance_name in to_remove: |
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op = opcodes.OpRemoveInstance(instance_name=instance_name) |
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Feedback("- Remove instance %s" % instance_name)
|
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result = proc.ExecOpCode(op) |
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|
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| 208 |
return 0 |
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Feedback("- Add instance %s on node %s" % (instance, pnode))
|
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self.proc.ExecOpCode(op) |
|
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self.to_rem.append(instance) |
|
| 167 |
|
|
| 168 |
def ReplaceDisks1R1(self): |
|
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"""Replace disks with the same secondary for rr1.""" |
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| 170 |
# replace all, both disks |
|
| 171 |
for instance in self.instances: |
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| 172 |
op = opcodes.OpReplaceDisks(instance_name=instance, |
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| 173 |
remote_node=None, |
|
| 174 |
mode=constants.REPLACE_DISK_ALL, |
|
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disks=["sda", "sdb"]) |
|
| 176 |
|
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| 177 |
Feedback("- Replace disks for instance %s" % (instance))
|
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| 178 |
self.proc.ExecOpCode(op) |
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| 179 |
|
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| 180 |
def ReplaceDisks1D8(self): |
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"""Replace disks on primary and secondary for drbd8.""" |
|
| 182 |
for instance in self.instances: |
|
| 183 |
for mode in constants.REPLACE_DISK_SEC, constants.REPLACE_DISK_PRI: |
|
| 184 |
op = opcodes.OpReplaceDisks(instance_name=instance, |
|
| 185 |
mode=mode, |
|
| 186 |
disks=["sda", "sdb"]) |
|
| 187 |
Feedback("- Replace disks (%s) for instance %s" % (mode, instance))
|
|
| 188 |
self.proc.ExecOpCode(op) |
|
| 189 |
|
|
| 190 |
def ReplaceDisks2(self): |
|
| 191 |
"""Replace secondary node.""" |
|
| 192 |
if self.opts.disk_template == constants.DT_REMOTE_RAID1: |
|
| 193 |
mode = constants.REPLACE_DISK_ALL |
|
| 194 |
else: |
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| 195 |
mode = constants.REPLACE_DISK_SEC |
|
| 196 |
|
|
| 197 |
mytor = izip(islice(cycle(self.nodes), 2, None), |
|
| 198 |
self.instances) |
|
| 199 |
for tnode, instance in mytor: |
|
| 200 |
op = opcodes.OpReplaceDisks(instance_name=instance, |
|
| 201 |
mode=mode, |
|
| 202 |
remote_node=tnode, |
|
| 203 |
disks=["sda", "sdb"]) |
|
| 204 |
Feedback("- Replace secondary (%s) for instance %s" % (mode, instance))
|
|
| 205 |
self.proc.ExecOpCode(op) |
|
| 206 |
|
|
| 207 |
def Failover(self): |
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| 208 |
"""Failover the instances.""" |
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| 209 |
|
|
| 210 |
for instance in self.instances: |
|
| 211 |
op = opcodes.OpFailoverInstance(instance_name=instance, |
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| 212 |
ignore_consistency=False) |
|
| 213 |
|
|
| 214 |
Feedback("- Failover instance %s" % (instance))
|
|
| 215 |
self.proc.ExecOpCode(op) |
|
| 216 |
|
|
| 217 |
def StopStart(self): |
|
| 218 |
"""Stop/start the instances.""" |
|
| 219 |
for instance in self.instances: |
|
| 220 |
op = opcodes.OpShutdownInstance(instance_name=instance) |
|
| 221 |
Feedback("- Shutdown instance %s" % instance)
|
|
| 222 |
self.proc.ExecOpCode(op) |
|
| 223 |
op = opcodes.OpStartupInstance(instance_name=instance, force=False) |
|
| 224 |
Feedback("- Start instance %s" % instance)
|
|
| 225 |
self.proc.ExecOpCode(op) |
|
| 226 |
|
|
| 227 |
def Remove(self): |
|
| 228 |
"""Remove the instances.""" |
|
| 229 |
for instance in self.to_rem: |
|
| 230 |
op = opcodes.OpRemoveInstance(instance_name=instance) |
|
| 231 |
Feedback("- Remove instance %s" % instance)
|
|
| 232 |
self.proc.ExecOpCode(op) |
|
| 233 |
|
|
| 234 |
def BurninCluster(self): |
|
| 235 |
"""Test a cluster intensively. |
|
| 236 |
|
|
| 237 |
This will create instances and then start/stop/failover them. |
|
| 238 |
It is safe for existing instances but could impact performance. |
|
| 239 |
|
|
| 240 |
""" |
|
| 241 |
|
|
| 242 |
opts = self.opts |
|
| 243 |
|
|
| 244 |
Feedback("- Testing global parameters")
|
|
| 245 |
|
|
| 246 |
if len(self.nodes) == 1 and opts.disk_template != constants.DT_PLAIN: |
|
| 247 |
Feedback("When one node is available/selected the disk template must"
|
|
| 248 |
" be 'plain'") |
|
| 249 |
sys.exit(1) |
|
| 250 |
|
|
| 251 |
try: |
|
| 252 |
self.CreateInstances() |
|
| 253 |
if opts.do_replace1 and opts.disk_template in constants.DTS_NET_MIRROR: |
|
| 254 |
if opts.disk_template == constants.DT_REMOTE_RAID1: |
|
| 255 |
self.ReplaceDisks1R1() |
|
| 256 |
elif opts.disk_template == constants.DT_DRBD8: |
|
| 257 |
self.ReplaceDisks1D8() |
|
| 258 |
if (opts.do_replace2 and len(self.nodes) > 2 and |
|
| 259 |
opts.disk_template in constants.DTS_NET_MIRROR) : |
|
| 260 |
self.ReplaceDisks2() |
|
| 261 |
|
|
| 262 |
if opts.do_failover and opts.disk_template in constants.DTS_NET_MIRROR: |
|
| 263 |
self.Failover() |
|
| 264 |
|
|
| 265 |
self.StopStart() |
|
| 266 |
|
|
| 267 |
finally: |
|
| 268 |
self.Remove() |
|
| 269 |
|
|
| 270 |
return 0 |
|
| 209 | 271 |
|
| 210 | 272 |
def main(): |
| 211 | 273 |
"""Main function""" |
| 212 | 274 |
|
| 213 |
opts, args = ParseOptions()
|
|
| 275 |
burner = Burner()
|
|
| 214 | 276 |
try: |
| 215 | 277 |
utils.Lock('cmd', max_retries=15, debug=True)
|
| 216 | 278 |
except errors.LockError, err: |
| 217 | 279 |
logger.ToStderr(str(err)) |
| 218 | 280 |
return 1 |
| 219 | 281 |
try: |
| 220 |
retval = BurninCluster(opts, args)
|
|
| 282 |
retval = burner.BurninCluster()
|
|
| 221 | 283 |
finally: |
| 222 | 284 |
utils.Unlock('cmd')
|
| 223 | 285 |
utils.LockCleanup() |
Also available in: Unified diff