import sys
import os
+import itertools
from optparse import make_option
from cStringIO import StringIO
from ganeti import logger
from ganeti import constants
from ganeti import utils
+from ganeti import errors
+
+
+_SHUTDOWN_CLUSTER = "cluster"
+_SHUTDOWN_NODES_BOTH = "nodes"
+_SHUTDOWN_NODES_PRI = "nodes-pri"
+_SHUTDOWN_NODES_SEC = "nodes-sec"
+_SHUTDOWN_INSTANCES = "instances"
+
+def _ExpandMultiNames(mode, names):
+ """Expand the given names using the passed mode.
+
+ Args:
+ - mode, which can be one of _SHUTDOWN_CLUSTER, _SHUTDOWN_NODES_BOTH,
+ _SHUTDOWN_NODES_PRI, _SHUTDOWN_NODES_SEC or _SHUTDOWN_INSTANCES
+ - names, which is a list of names; for cluster, it must be empty,
+ and for node and instance it must be a list of valid item
+ names (short names are valid as usual, e.g. node1 instead of
+ node1.example.com)
+
+ For _SHUTDOWN_CLUSTER, all instances will be returned. For
+ _SHUTDOWN_NODES_PRI/SEC, all instances having those nodes as
+ primary/secondary will be shutdown. For _SHUTDOWN_NODES_BOTH, all
+ instances having those nodes as either primary or secondary will be
+ returned. For _SHUTDOWN_INSTANCES, the given instances will be
+ returned.
+
+ """
+ if mode == _SHUTDOWN_CLUSTER:
+ if names:
+ raise errors.OpPrereqError("Cluster filter mode takes no arguments")
+ op = opcodes.OpQueryInstances(output_fields=["name"], names=[])
+ idata = SubmitOpCode(op)
+ inames = [row[0] for row in idata]
+
+ elif mode in (_SHUTDOWN_NODES_BOTH,
+ _SHUTDOWN_NODES_PRI,
+ _SHUTDOWN_NODES_SEC):
+ if not names:
+ raise errors.OpPrereqError("No node names passed")
+ op = opcodes.OpQueryNodes(output_fields=["name", "pinst_list",
+ "sinst_list"], names=names)
+ ndata = SubmitOpCode(op)
+ ipri = [row[1] for row in ndata]
+ pri_names = list(itertools.chain(*ipri))
+ isec = [row[2] for row in ndata]
+ sec_names = list(itertools.chain(*isec))
+ if mode == _SHUTDOWN_NODES_BOTH:
+ inames = pri_names + sec_names
+ elif mode == _SHUTDOWN_NODES_PRI:
+ inames = pri_names
+ elif mode == _SHUTDOWN_NODES_SEC:
+ inames = sec_names
+ else:
+ raise errors.ProgrammerError("Unhandled shutdown type")
+
+ elif mode == _SHUTDOWN_INSTANCES:
+ if not names:
+ raise errors.OpPrereqError("No instance names passed")
+ op = opcodes.OpQueryInstances(output_fields=["name"], names=names)
+ idata = SubmitOpCode(op)
+ inames = [row[0] for row in idata]
+
+ else:
+ raise errors.OpPrereqError("Unknown mode '%s'" % mode)
+
+ return inames
+
+
+def _ConfirmOperation(inames, text):
+ """Ask the user to confirm an operation on a list of instances.
+
+ This function is used to request confirmation for doing an operation
+ on a given list of instances.
+
+ The inames argument is what the selection algorithm computed, and
+ the text argument is the operation we should tell the user to
+ confirm (e.g. 'shutdown' or 'startup').
+
+ Returns: boolean depending on user's confirmation.
+
+ """
+ count = len(inames)
+ msg = ("The %s will operate on %d instances.\n"
+ "Do you want to continue?" % (text, count))
+ affected = ("\nAffected instances:\n" +
+ "\n".join([" %s" % name for name in inames]))
+
+ choices = [('y', True, 'Yes, execute the %s' % text),
+ ('n', False, 'No, abort the %s' % text)]
+
+ if count > 20:
+ choices.insert(1, ('v', 'v', 'View the list of affected instances'))
+ ask = msg
+ else:
+ ask = msg + affected
+
+ choice = AskUser(ask, choices)
+ if choice == 'v':
+ choices.pop(1)
+ choice = AskUser(choices, msg + affected)
+ return choice
def ListInstances(opts, args):
- """List nodes and their properties.
+ """List instances and their properties.
"""
if opts.output is None:
else:
selected_fields = opts.output.split(",")
- op = opcodes.OpQueryInstances(output_fields=selected_fields)
+ op = opcodes.OpQueryInstances(output_fields=selected_fields, names=[])
output = SubmitOpCode(op)
if not opts.no_headers:
numfields = ["admin_ram", "oper_ram", "sda_size", "sdb_size"]
+ # change raw values to nicer strings
+ for row in output:
+ for idx, field in enumerate(selected_fields):
+ val = row[idx]
+ if field == "snodes":
+ val = ",".join(val) or "-"
+ elif field == "admin_state":
+ if val:
+ val = "yes"
+ else:
+ val = "no"
+ elif field == "oper_state":
+ if val is None:
+ val = "(node down)"
+ elif val: # True
+ val = "running"
+ else:
+ val = "stopped"
+ elif field == "oper_ram":
+ if val is None:
+ val = "(node down)"
+ elif field == "sda_size" or field == "sdb_size":
+ if val is None:
+ val = "N/A"
+ row[idx] = str(val)
+
data = GenerateTable(separator=opts.separator, headers=headers,
fields=selected_fields, unitfields=unitfields,
numfields=numfields, data=output)
"""
instance = args[0]
+ (pnode, snode) = SplitNodeOption(opts.node)
+
op = opcodes.OpCreateInstance(instance_name=instance, mem_size=opts.mem,
disk_size=opts.size, swap_size=opts.swap,
disk_template=opts.disk_template,
mode=constants.INSTANCE_CREATE,
- os_type=opts.os, pnode=opts.node,
- snode=opts.snode, vcpus=opts.vcpus,
- ip=opts.ip, bridge=opts.bridge, start=True,
+ os_type=opts.os, pnode=pnode,
+ snode=snode, vcpus=opts.vcpus,
+ ip=opts.ip, bridge=opts.bridge,
+ start=opts.start, ip_check=opts.ip_check,
wait_for_sync=opts.wait_for_sync)
SubmitOpCode(op)
return 0
if not opts.force:
usertext = ("This will reinstall the instance %s and remove "
"all data. Continue?") % instance_name
- if not opts._ask_user(usertext):
+ if not AskUser(usertext):
return 1
op = opcodes.OpReinstallInstance(instance_name=instance_name,
usertext = ("This will remove the volumes of the instance %s"
" (including mirrors), thus removing all the data"
" of the instance. Continue?") % instance_name
- if not opts._ask_user(usertext):
+ if not AskUser(usertext):
return 1
- op = opcodes.OpRemoveInstance(instance_name=instance_name)
+ op = opcodes.OpRemoveInstance(instance_name=instance_name,
+ ignore_failures=opts.ignore_failures)
SubmitOpCode(op)
return 0
+def RenameInstance(opts, args):
+ """Rename an instance.
+
+ Args:
+ opts - class with options as members
+ args - list containing two elements, the instance name and the new name
+
+ """
+ op = opcodes.OpRenameInstance(instance_name=args[0],
+ new_name=args[1],
+ ignore_ip=opts.ignore_ip)
+ SubmitOpCode(op)
+
+ return 0
+
+
def ActivateDisks(opts, args):
"""Activate an instance's disks.
def StartupInstance(opts, args):
- """Shutdown an instance.
+ """Startup an instance.
Args:
opts - class with options as members
args - list containing a single element, the instance name
"""
- instance_name = args[0]
- op = opcodes.OpStartupInstance(instance_name=instance_name, force=opts.force,
- extra_args=opts.extra_args)
- SubmitOpCode(op)
+ if opts.multi_mode is None:
+ opts.multi_mode = _SHUTDOWN_INSTANCES
+ inames = _ExpandMultiNames(opts.multi_mode, args)
+ if not inames:
+ raise errors.OpPrereqError("Selection filter does not match any instances")
+ multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1
+ if not (opts.force_multi or not multi_on
+ or _ConfirmOperation(inames, "startup")):
+ return 1
+ for name in inames:
+ op = opcodes.OpStartupInstance(instance_name=name,
+ force=opts.force,
+ extra_args=opts.extra_args)
+ if multi_on:
+ logger.ToStdout("Starting up %s" % name)
+ SubmitOpCode(op)
return 0
+def RebootInstance(opts, args):
+ """Reboot an instance
+
+ Args:
+ opts - class with options as members
+ args - list containing a single element, the instance name
+
+ """
+ if opts.multi_mode is None:
+ opts.multi_mode = _SHUTDOWN_INSTANCES
+ inames = _ExpandMultiNames(opts.multi_mode, args)
+ if not inames:
+ raise errors.OpPrereqError("Selection filter does not match any instances")
+ multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1
+ if not (opts.force_multi or not multi_on
+ or _ConfirmOperation(inames, "reboot")):
+ return 1
+ for name in inames:
+ op = opcodes.OpRebootInstance(instance_name=name,
+ reboot_type=opts.reboot_type,
+ ignore_secondaries=opts.ignore_secondaries)
+
+ SubmitOpCode(op)
+ return 0
def ShutdownInstance(opts, args):
"""Shutdown an instance.
args - list containing a single element, the instance name
"""
- instance_name = args[0]
- op = opcodes.OpShutdownInstance(instance_name=instance_name)
- SubmitOpCode(op)
+ if opts.multi_mode is None:
+ opts.multi_mode = _SHUTDOWN_INSTANCES
+ inames = _ExpandMultiNames(opts.multi_mode, args)
+ if not inames:
+ raise errors.OpPrereqError("Selection filter does not match any instances")
+ multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1
+ if not (opts.force_multi or not multi_on
+ or _ConfirmOperation(inames, "shutdown")):
+ return 1
+ for name in inames:
+ op = opcodes.OpShutdownInstance(instance_name=name)
+ if multi_on:
+ logger.ToStdout("Shutting down %s" % name)
+ SubmitOpCode(op)
return 0
"""
instance_name = args[0]
- new_secondary = opts.new_secondary
- op = opcodes.OpReplaceDisks(instance_name=args[0],
- remote_node=opts.new_secondary)
+ new_2ndary = opts.new_secondary
+ if opts.disks is None:
+ disks = ["sda", "sdb"]
+ else:
+ disks = opts.disks.split(",")
+ if opts.on_primary == opts.on_secondary: # no -p or -s passed, or both passed
+ mode = constants.REPLACE_DISK_ALL
+ elif opts.on_primary: # only on primary:
+ mode = constants.REPLACE_DISK_PRI
+ if new_2ndary is not None:
+ raise errors.OpPrereqError("Can't change secondary node on primary disk"
+ " replacement")
+ elif opts.on_secondary is not None: # only on secondary
+ mode = constants.REPLACE_DISK_SEC
+
+ op = opcodes.OpReplaceDisks(instance_name=args[0], disks=disks,
+ remote_node=new_2ndary, mode=mode)
SubmitOpCode(op)
return 0
usertext = ("Failover will happen to image %s."
" This requires a shutdown of the instance. Continue?" %
(instance_name,))
- if not opts._ask_user(usertext):
+ if not AskUser(usertext):
return 1
op = opcodes.OpFailoverInstance(instance_name=instance_name,
instance_name = args[0]
op = opcodes.OpConnectConsole(instance_name=instance_name)
- node, console_cmd = SubmitOpCode(op)
+ cmd, argv = SubmitOpCode(op)
# drop lock and exec so other commands can run while we have console
utils.Unlock("cmd")
try:
- os.execv("/usr/bin/ssh", ["ssh", "-qt", node, console_cmd])
+ os.execvp(cmd, argv)
finally:
- sys.stderr.write("Can't run console command %s on node %s" %
- (console_cmd, node))
+ sys.stderr.write("Can't run console command %s with arguments:\n'%s'" %
+ (cmd, " ".join(argv)))
os._exit(1)
if not status:
buf.write("not active\n")
else:
- (path, major, minor, syncp, estt, degr) = status
+ (path, major, minor, syncp, estt, degr, ldisk) = status
buf.write("%s (%d:%d)" % (path, major, minor))
- if dtype in ("md_raid1", "drbd"):
+ if dtype in (constants.LD_MD_R1, constants.LD_DRBD7, constants.LD_DRBD8):
if syncp is not None:
sync_text = "*RECOVERING* %5.2f%%," % syncp
if estt:
degr_text = "*DEGRADED*"
else:
degr_text = "ok"
- buf.write(" %s, status %s" % (sync_text, degr_text))
+ if ldisk:
+ ldisk_text = " *MISSING DISK*"
+ else:
+ ldisk_text = ""
+ buf.write(" %s, status %s%s" % (sync_text, degr_text, ldisk_text))
+ elif dtype == constants.LD_LV:
+ if ldisk:
+ ldisk_text = " *FAILED* (failed drive?)"
+ else:
+ ldisk_text = ""
+ buf.write(ldisk_text)
buf.write("\n")
if dev["iv_name"] is not None:
buf.write(" - secondaries: %s\n" % ", ".join(instance["snodes"]))
buf.write(" Operating system: %s\n" % instance["os"])
buf.write(" Hardware:\n")
+ buf.write(" - VCPUs: %d\n" % instance["vcpus"])
buf.write(" - memory: %dMiB\n" % instance["memory"])
buf.write(" - NICs: %s\n" %
", ".join(["{MAC: %s, IP: %s, bridge: %s}" %
os_opt = cli_option("-o", "--os-type", dest="os", help="What OS to run",
metavar="<os>")
+# multi-instance selection options
+m_force_multi = make_option("--force-multiple", dest="force_multi",
+ help="Do not ask for confirmation when more than"
+ " one instance is affected",
+ action="store_true", default=False)
+
+m_pri_node_opt = make_option("--primary", dest="multi_mode",
+ help="Filter by nodes (primary only)",
+ const=_SHUTDOWN_NODES_PRI, action="store_const")
+
+m_sec_node_opt = make_option("--secondary", dest="multi_mode",
+ help="Filter by nodes (secondary only)",
+ const=_SHUTDOWN_NODES_SEC, action="store_const")
+
+m_node_opt = make_option("--node", dest="multi_mode",
+ help="Filter by nodes (primary and secondary)",
+ const=_SHUTDOWN_NODES_BOTH, action="store_const")
+
+m_clust_opt = make_option("--all", dest="multi_mode",
+ help="Select all instances in the cluster",
+ const=_SHUTDOWN_CLUSTER, action="store_const")
+
+m_inst_opt = make_option("--instance", dest="multi_mode",
+ help="Filter by instance name [default]",
+ const=_SHUTDOWN_INSTANCES, action="store_const")
+
+
# this is defined separately due to readability only
add_opts = [
DEBUG_OPT,
- node_opt,
- cli_option("-s", "--os-size", dest="size", help="Disk size",
+ make_option("-n", "--node", dest="node",
+ help="Target node and optional secondary node",
+ metavar="<pnode>[:<snode>]"),
+ cli_option("-s", "--os-size", dest="size", help="Disk size, in MiB unless"
+ " a suffix is used",
default=20 * 1024, type="unit", metavar="<size>"),
- cli_option("--swap-size", dest="swap", help="Swap size",
+ cli_option("--swap-size", dest="swap", help="Swap size, in MiB unless a"
+ " suffix is used",
default=4 * 1024, type="unit", metavar="<size>"),
os_opt,
- cli_option("-m", "--memory", dest="mem", help="Memory size",
+ cli_option("-m", "--memory", dest="mem", help="Memory size (in MiB)",
default=128, type="unit", metavar="<mem>"),
make_option("-p", "--cpu", dest="vcpus", help="Number of virtual CPUs",
default=1, type="int", metavar="<PROC>"),
make_option("-t", "--disk-template", dest="disk_template",
- help="Custom disk setup (diskless, plain, local_raid1 or"
- " remote_raid1)", default=None, metavar="TEMPL"),
+ help="Custom disk setup (diskless, plain, local_raid1,"
+ " remote_raid1 or drbd)", default=None, metavar="TEMPL"),
make_option("-i", "--ip", dest="ip",
help="IP address ('none' [default], 'auto', or specify address)",
default='none', type="string", metavar="<ADDRESS>"),
make_option("--no-wait-for-sync", dest="wait_for_sync", default=True,
action="store_false", help="Don't wait for sync (DANGEROUS!)"),
- make_option("--secondary-node", dest="snode",
- help="Secondary node for remote_raid1 disk layout",
- metavar="<node>"),
make_option("-b", "--bridge", dest="bridge",
help="Bridge to connect this instance to",
- default=None, metavar="<bridge>")
+ default=None, metavar="<bridge>"),
+ make_option("--no-start", dest="start", default=True,
+ action="store_false", help="Don't start the instance after"
+ " creation"),
+ make_option("--no-ip-check", dest="ip_check", default=True,
+ action="store_false", help="Don't check that the instance's IP"
+ " is alive (only valid with --no-start)"),
]
commands = {
"", "Lists the instances and their status"),
'reinstall': (ReinstallInstance, ARGS_ONE, [DEBUG_OPT, FORCE_OPT, os_opt],
"[-f] <instance>", "Reinstall the instance"),
- 'remove': (RemoveInstance, ARGS_ONE, [DEBUG_OPT, FORCE_OPT],
+ 'remove': (RemoveInstance, ARGS_ONE,
+ [DEBUG_OPT, FORCE_OPT,
+ make_option("--ignore-failures", dest="ignore_failures",
+ action="store_true", default=False,
+ help=("Remove the instance from the cluster even"
+ " if there are failures during the removal"
+ " process (shutdown, disk removal, etc.)")),
+ ],
"[-f] <instance>", "Shuts down the instance and removes it"),
'remove-mirror': (RemoveMDDRBDComponent, ARGS_ONE,
[DEBUG_OPT, node_opt,
],
"-b disk -p port <instance>",
"Removes a mirror from the instance"),
+ 'rename': (RenameInstance, ARGS_FIXED(2),
+ [DEBUG_OPT,
+ make_option("--no-ip-check", dest="ignore_ip",
+ help="Do not check that the IP of the new name"
+ " is alive",
+ default=False, action="store_true"),
+ ],
+ "<instance> <new_name>", "Rename the instance"),
'replace-disks': (ReplaceDisks, ARGS_ONE,
[DEBUG_OPT,
make_option("-n", "--new-secondary", dest="new_secondary",
- metavar="NODE",
- help=("New secondary node (if you want to"
- " change the secondary)"))],
+ help=("New secondary node (for secondary"
+ " node change)"), metavar="NODE"),
+ make_option("-p", "--on-primary", dest="on_primary",
+ default=False, action="store_true",
+ help=("Replace the disk(s) on the primary"
+ " node (only for the drbd8 template)")),
+ make_option("-s", "--on-secondary", dest="on_secondary",
+ default=False, action="store_true",
+ help=("Replace the disk(s) on the secondary"
+ " node (only for the drbd8 template)")),
+ make_option("--disks", dest="disks", default=None,
+ help=("Comma-separated list of disks"
+ " to replace (e.g. sda) (optional,"
+ " defaults to all disks")),
+ ],
"[-n NODE] <instance>",
"Replaces all disks for the instance"),
'modify': (SetInstanceParms, ARGS_ONE,
default=None, type="string", metavar="<ADDRESS>"),
make_option("-b", "--bridge", dest="bridge",
help="Bridge to connect this instance to",
- default=None, type="string", metavar="<bridge>")
+ default=None, type="string", metavar="<bridge>"),
],
"<instance>", "Alters the parameters of an instance"),
- 'shutdown': (ShutdownInstance, ARGS_ONE, [DEBUG_OPT],
+ 'shutdown': (ShutdownInstance, ARGS_ANY,
+ [DEBUG_OPT, m_node_opt, m_pri_node_opt, m_sec_node_opt,
+ m_clust_opt, m_inst_opt, m_force_multi],
"<instance>", "Stops an instance"),
- 'startup': (StartupInstance, ARGS_ONE,
- [DEBUG_OPT, FORCE_OPT,
+ 'startup': (StartupInstance, ARGS_ANY,
+ [DEBUG_OPT, FORCE_OPT, m_force_multi,
make_option("-e", "--extra", dest="extra_args",
help="Extra arguments for the instance's kernel",
default=None, type="string", metavar="<PARAMS>"),
+ m_node_opt, m_pri_node_opt, m_sec_node_opt,
+ m_clust_opt, m_inst_opt,
],
"<instance>", "Starts an instance"),
+
+ 'reboot': (RebootInstance, ARGS_ANY,
+ [DEBUG_OPT, m_force_multi,
+ make_option("-e", "--extra", dest="extra_args",
+ help="Extra arguments for the instance's kernel",
+ default=None, type="string", metavar="<PARAMS>"),
+ make_option("-t", "--type", dest="reboot_type",
+ help="Type of reboot: soft/hard/full",
+ default=constants.INSTANCE_REBOOT_SOFT,
+ type="string", metavar="<REBOOT>"),
+ make_option("--ignore-secondaries", dest="ignore_secondaries",
+ default=False, action="store_true",
+ help="Ignore errors from secondaries"),
+ m_node_opt, m_pri_node_opt, m_sec_node_opt,
+ m_clust_opt, m_inst_opt,
+ ],
+ "<instance>", "Reboots an instance"),
'activate-disks': (ActivateDisks, ARGS_ONE, [DEBUG_OPT],
"<instance>",
"Activate an instance's disks"),
'deactivate-disks': (DeactivateDisks, ARGS_ONE, [DEBUG_OPT],
"<instance>",
"Deactivate an instance's disks"),
+ 'list-tags': (ListTags, ARGS_ONE, [DEBUG_OPT],
+ "<node_name>", "List the tags of the given instance"),
+ 'add-tags': (AddTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT],
+ "<node_name> tag...", "Add tags to the given instance"),
+ 'remove-tags': (RemoveTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT],
+ "<node_name> tag...", "Remove tags from given instance"),
}
if __name__ == '__main__':
- sys.exit(GenericMain(commands))
+ sys.exit(GenericMain(commands,
+ override={"tag_type": constants.TAG_INSTANCE}))