import itertools
import simplejson
import time
-from optparse import make_option
from cStringIO import StringIO
from ganeti.cli import *
json_filename = args[0]
try:
- fd = open(json_filename, 'r')
- instance_data = simplejson.load(fd)
- fd.close()
+ instance_data = simplejson.loads(utils.ReadFile(json_filename))
except Exception, err:
ToStderr("Can't parse the instance definition file: %s" % str(err))
return 1
return 0
+def MoveInstance(opts, args):
+ """Move an instance.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain only one element, the instance name
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ cl = GetClient()
+ instance_name = args[0]
+ force = opts.force
+
+ if not force:
+ usertext = ("Instance %s will be moved."
+ " This requires a shutdown of the instance. Continue?" %
+ (instance_name,))
+ if not AskUser(usertext):
+ return 1
+
+ op = opcodes.OpMoveInstance(instance_name=instance_name,
+ target_node=opts.target_node)
+ SubmitOrSend(op, opts, cl=cl)
+ return 0
+
+
def ConnectToInstanceConsole(opts, args):
"""Connect to the console of an instance.
# options used in more than one cmd
-node_opt = make_option("-n", "--node", dest="node", help="Target node",
- metavar="<node>")
+node_opt = cli_option("-n", "--node", dest="node", help="Target node",
+ metavar="<node>",
+ completion_suggest=OPT_COMPL_ONE_NODE)
os_opt = cli_option("-o", "--os-type", dest="os", help="What OS to run",
- metavar="<os>")
+ metavar="<os>",
+ completion_suggest=OPT_COMPL_ONE_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_force_multi = cli_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_pri_node_opt = cli_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_sec_node_opt = cli_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_node_opt = cli_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_clust_opt = cli_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")
+m_inst_opt = cli_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,
- make_option("-n", "--node", dest="node",
- help="Target node and optional secondary node",
- metavar="<pnode>[:<snode>]"),
+ cli_option("-n", "--node", dest="node",
+ help="Target node and optional secondary node",
+ metavar="<pnode>[:<snode>]",
+ completion_suggest=OPT_COMPL_INST_ADD_NODES),
os_opt,
cli_option("-B", "--backend", dest="beparams",
type="keyval", default={},
help="Backend parameters"),
- make_option("-t", "--disk-template", dest="disk_template",
- help="Custom disk setup (diskless, file, plain or drbd)",
- default=None, metavar="TEMPL"),
+ cli_option("-t", "--disk-template", dest="disk_template",
+ help="Custom disk setup (diskless, file, plain or drbd)",
+ default=None, metavar="TEMPL",
+ choices=list(constants.DISK_TEMPLATES)),
cli_option("-s", "--os-size", dest="sd_size", help="Disk size for a"
" single-disk configuration, when not using the --disk option,"
" in MiB unless a suffix is used",
default=[], dest="nics",
action="append",
type="identkeyval"),
- make_option("--no-nics", default=False, action="store_true",
- help="Do not create any network cards for the instance"),
- make_option("--no-wait-for-sync", dest="wait_for_sync", default=True,
- action="store_false", help="Don't wait for sync (DANGEROUS!)"),
- 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)"),
- make_option("--file-storage-dir", dest="file_storage_dir",
- help="Relative path under default cluster-wide file storage dir"
- " to store file-based disks", default=None,
- metavar="<DIR>"),
- make_option("--file-driver", dest="file_driver", help="Driver to use"
- " for image files", default="loop", metavar="<DRIVER>"),
- make_option("-I", "--iallocator", metavar="<NAME>",
- help="Select nodes for the instance automatically using the"
- " <NAME> iallocator plugin", default=None, type="string"),
+ cli_option("--no-nics", default=False, action="store_true",
+ help="Do not create any network cards for the instance"),
+ cli_option("--no-wait-for-sync", dest="wait_for_sync", default=True,
+ action="store_false", help="Don't wait for sync (DANGEROUS!)"),
+ cli_option("--no-start", dest="start", default=True,
+ action="store_false", help="Don't start the instance after"
+ " creation"),
+ cli_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)"),
+ cli_option("--file-storage-dir", dest="file_storage_dir",
+ help="Relative path under default cluster-wide file storage dir"
+ " to store file-based disks", default=None,
+ metavar="<DIR>"),
+ cli_option("--file-driver", dest="file_driver", help="Driver to use"
+ " for image files", default="loop", metavar="<DRIVER>",
+ choices=list(constants.FILE_DRIVER)),
+ cli_option("-I", "--iallocator", metavar="<NAME>",
+ help="Select nodes for the instance automatically using the"
+ " <NAME> iallocator plugin", default=None, type="string",
+ completion_suggest=OPT_COMPL_ONE_IALLOCATOR),
cli_option("-H", "--hypervisor", dest="hypervisor",
- help="Hypervisor and hypervisor options, in the format"
- " hypervisor:option=value,option=value,...", default=None,
- type="identkeyval"),
+ help="Hypervisor and hypervisor options, in the format"
+ " hypervisor:option=value,option=value,...", default=None,
+ type="identkeyval"),
SUBMIT_OPT,
]
commands = {
- 'add': (AddInstance, ARGS_ONE, add_opts,
+ 'add': (AddInstance, [ArgHost(min=1, max=1)], add_opts,
"[...] -t disk-type -n node[:secondary-node] -o os-type <name>",
"Creates and adds a new instance to the cluster"),
- 'batch-create': (BatchCreate, ARGS_ONE,
+ 'batch-create': (BatchCreate, [ArgFile(min=1, max=1)],
[DEBUG_OPT],
"<instances_file.json>",
"Create a bunch of instances based on specs in the file."),
- 'console': (ConnectToInstanceConsole, ARGS_ONE,
+ 'console': (ConnectToInstanceConsole, ARGS_ONE_INSTANCE,
[DEBUG_OPT,
- make_option("--show-cmd", dest="show_command",
- action="store_true", default=False,
- help=("Show command instead of executing it"))],
+ cli_option("--show-cmd", dest="show_command",
+ action="store_true", default=False,
+ help=("Show command instead of executing it"))],
"[--show-cmd] <instance>",
"Opens a console on the specified instance"),
- 'failover': (FailoverInstance, ARGS_ONE,
+ 'failover': (FailoverInstance, ARGS_ONE_INSTANCE,
[DEBUG_OPT, FORCE_OPT,
- make_option("--ignore-consistency", dest="ignore_consistency",
- action="store_true", default=False,
- help="Ignore the consistency of the disks on"
- " the secondary"),
+ cli_option("--ignore-consistency", dest="ignore_consistency",
+ action="store_true", default=False,
+ help="Ignore the consistency of the disks on"
+ " the secondary"),
SUBMIT_OPT,
],
"[-f] <instance>",
"Stops the instance and starts it on the backup node, using"
" the remote mirror (only for instances of type drbd)"),
- 'migrate': (MigrateInstance, ARGS_ONE,
+ 'migrate': (MigrateInstance, ARGS_ONE_INSTANCE,
[DEBUG_OPT, FORCE_OPT,
- make_option("--non-live", dest="live",
- default=True, action="store_false",
- help="Do a non-live migration (this usually means"
- " freeze the instance, save the state,"
- " transfer and only then resume running on the"
- " secondary node)"),
- make_option("--cleanup", dest="cleanup",
- default=False, action="store_true",
- help="Instead of performing the migration, try to"
- " recover from a failed cleanup. This is safe"
- " to run even if the instance is healthy, but it"
- " will create extra replication traffic and "
- " disrupt briefly the replication (like during the"
- " migration"),
+ cli_option("--non-live", dest="live",
+ default=True, action="store_false",
+ help="Do a non-live migration (this usually means"
+ " freeze the instance, save the state,"
+ " transfer and only then resume running on the"
+ " secondary node)"),
+ cli_option("--cleanup", dest="cleanup",
+ default=False, action="store_true",
+ help="Instead of performing the migration, try to"
+ " recover from a failed cleanup. This is safe"
+ " to run even if the instance is healthy, but it"
+ " will create extra replication traffic and "
+ " disrupt briefly the replication (like during the"
+ " migration"),
],
"[-f] <instance>",
"Migrate instance to its secondary node"
" (only for instances of type drbd)"),
- 'info': (ShowInstanceConfig, ARGS_ANY,
+ 'move': (MoveInstance, ARGS_ONE_INSTANCE,
+ [DEBUG_OPT, FORCE_OPT, SUBMIT_OPT,
+ cli_option("-n", "--new-node", dest="target_node",
+ help="Destinattion node", metavar="NODE",
+ default=None,
+ completion_suggest=OPT_COMPL_ONE_NODE),
+ ],
+ "[-f] <instance>",
+ "Move instance to an arbitrary node"
+ " (only for instances of type file and lv)"),
+ 'info': (ShowInstanceConfig, ARGS_MANY_INSTANCES,
[DEBUG_OPT,
- make_option("-s", "--static", dest="static",
- action="store_true", default=False,
- help="Only show configuration data, not runtime data"),
- make_option("--all", dest="show_all",
- default=False, action="store_true",
- help="Show info on all instances on the cluster."
- " This can take a long time to run, use wisely."),
+ cli_option("-s", "--static", dest="static",
+ action="store_true", default=False,
+ help="Only show configuration data, not runtime data"),
+ cli_option("--all", dest="show_all",
+ default=False, action="store_true",
+ help="Show info on all instances on the cluster."
+ " This can take a long time to run, use wisely."),
], "[-s] {--all | <instance>...}",
"Show information on the specified instance(s)"),
- 'list': (ListInstances, ARGS_ANY,
+ 'list': (ListInstances, ARGS_MANY_INSTANCES,
[DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, SYNC_OPT],
"[<instance>...]",
"Lists the instances and their status. The available fields are"
" The default field"
" list is (in order): %s." % ", ".join(_LIST_DEF_FIELDS),
),
- 'reinstall': (ReinstallInstance, ARGS_ANY,
+ 'reinstall': (ReinstallInstance, [ArgInstance(min=1)],
[DEBUG_OPT, FORCE_OPT, os_opt,
m_force_multi,
m_node_opt, m_pri_node_opt, m_sec_node_opt,
m_clust_opt, m_inst_opt,
- make_option("--select-os", dest="select_os",
- action="store_true", default=False,
- help="Interactive OS reinstall, lists available"
- " OS templates for selection"),
+ cli_option("--select-os", dest="select_os",
+ action="store_true", default=False,
+ help="Interactive OS reinstall, lists available"
+ " OS templates for selection"),
SUBMIT_OPT,
],
"[-f] <instance>", "Reinstall a stopped instance"),
- 'remove': (RemoveInstance, ARGS_ONE,
+ 'remove': (RemoveInstance, ARGS_ONE_INSTANCE,
[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.)")),
+ cli_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.)")),
SUBMIT_OPT,
],
"[-f] <instance>", "Shuts down the instance and removes it"),
- 'rename': (RenameInstance, ARGS_FIXED(2),
+ 'rename': (RenameInstance,
+ [ArgInstance(min=1, max=1), ArgHost(min=1, max=1)],
[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"),
+ cli_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"),
SUBMIT_OPT,
],
"<instance> <new_name>", "Rename the instance"),
- 'replace-disks': (ReplaceDisks, ARGS_ONE,
+ 'replace-disks': (ReplaceDisks, ARGS_ONE_INSTANCE,
[DEBUG_OPT,
- make_option("-n", "--new-secondary", dest="new_secondary",
- help=("New secondary node (for secondary"
- " node change)"), metavar="NODE",
- default=None),
- 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 drbd 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 drbd template)")),
- make_option("-a", "--auto", dest="auto",
- default=False, action="store_true",
- help=("Automatically replace faulty disks"
- " (only for the drbd template)")),
- make_option("--disks", dest="disks", default=None,
- help="Comma-separated list of disks"
- " indices to replace (e.g. 0,2) (optional,"
- " defaults to all disks)"),
- make_option("-I", "--iallocator", metavar="<NAME>",
- help="Select new secondary for the instance"
- " automatically using the"
- " <NAME> iallocator plugin (enables"
- " secondary node replacement)",
- default=None, type="string"),
+ cli_option("-n", "--new-secondary", dest="new_secondary",
+ help=("New secondary node (for secondary"
+ " node change)"), metavar="NODE",
+ default=None,
+ completion_suggest=OPT_COMPL_ONE_NODE),
+ cli_option("-p", "--on-primary", dest="on_primary",
+ default=False, action="store_true",
+ help=("Replace the disk(s) on the primary"
+ " node (only for the drbd template)")),
+ cli_option("-s", "--on-secondary", dest="on_secondary",
+ default=False, action="store_true",
+ help=("Replace the disk(s) on the secondary"
+ " node (only for the drbd template)")),
+ cli_option("-a", "--auto", dest="auto",
+ default=False, action="store_true",
+ help=("Automatically replace faulty disks"
+ " (only for the drbd template)")),
+ cli_option("--disks", dest="disks", default=None,
+ help="Comma-separated list of disks"
+ " indices to replace (e.g. 0,2) (optional,"
+ " defaults to all disks)"),
+ cli_option("-I", "--iallocator", metavar="<NAME>",
+ help="Select new secondary for the instance"
+ " automatically using the"
+ " <NAME> iallocator plugin (enables"
+ " secondary node replacement)",
+ default=None, type="string",
+ completion_suggest=OPT_COMPL_ONE_IALLOCATOR),
SUBMIT_OPT,
],
"[-s|-p|-n NODE|-I NAME] <instance>",
"Replaces all disks for the instance"),
- 'modify': (SetInstanceParams, ARGS_ONE,
+ 'modify': (SetInstanceParams, ARGS_ONE_INSTANCE,
[DEBUG_OPT, FORCE_OPT,
cli_option("-H", "--hypervisor", type="keyval",
default={}, dest="hypervisor",
SUBMIT_OPT,
],
"<instance>", "Alters the parameters of an instance"),
- 'shutdown': (ShutdownInstance, ARGS_ANY,
+ 'shutdown': (ShutdownInstance, [ArgInstance(min=1)],
[DEBUG_OPT, m_node_opt, m_pri_node_opt, m_sec_node_opt,
m_clust_opt, m_inst_opt, m_force_multi,
SUBMIT_OPT,
],
"<instance>", "Stops an instance"),
- 'startup': (StartupInstance, ARGS_ANY,
+ 'startup': (StartupInstance, [ArgInstance(min=1)],
[DEBUG_OPT, FORCE_OPT, m_force_multi,
m_node_opt, m_pri_node_opt, m_sec_node_opt,
m_clust_opt, m_inst_opt,
default={}, dest="hvparams",
help="Temporary hypervisor parameters"),
cli_option("-B", "--backend", type="keyval",
- default={}, dest="beparams",
- help="Temporary backend parameters"),
+ default={}, dest="beparams",
+ help="Temporary backend parameters"),
],
"<instance>", "Starts an instance"),
-
- 'reboot': (RebootInstance, ARGS_ANY,
+ 'reboot': (RebootInstance, [ArgInstance(min=1)],
[DEBUG_OPT, m_force_multi,
- make_option("-t", "--type", dest="reboot_type",
- help="Type of reboot: soft/hard/full",
- default=constants.INSTANCE_REBOOT_HARD,
- type="string", metavar="<REBOOT>"),
- make_option("--ignore-secondaries", dest="ignore_secondaries",
- default=False, action="store_true",
- help="Ignore errors from secondaries"),
+ cli_option("-t", "--type", dest="reboot_type",
+ help="Type of reboot: soft/hard/full",
+ default=constants.INSTANCE_REBOOT_HARD,
+ metavar="<REBOOT>",
+ choices=list(constants.REBOOT_TYPES)),
+ cli_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,
SUBMIT_OPT,
],
"<instance>", "Reboots an instance"),
- 'activate-disks': (ActivateDisks, ARGS_ONE,
+ 'activate-disks': (ActivateDisks, ARGS_ONE_INSTANCE,
[DEBUG_OPT, SUBMIT_OPT,
- make_option("--ignore-size", dest="ignore_size",
- default=False, action="store_true",
- help="Ignore current recorded size"
- " (useful for forcing activation when"
- " the recorded size is wrong)"),
+ cli_option("--ignore-size", dest="ignore_size",
+ default=False, action="store_true",
+ help="Ignore current recorded size"
+ " (useful for forcing activation when"
+ " the recorded size is wrong)"),
],
"<instance>",
"Activate an instance's disks"),
- 'deactivate-disks': (DeactivateDisks, ARGS_ONE, [DEBUG_OPT, SUBMIT_OPT],
+ 'deactivate-disks': (DeactivateDisks, ARGS_ONE_INSTANCE,
+ [DEBUG_OPT, SUBMIT_OPT],
"<instance>",
"Deactivate an instance's disks"),
- 'recreate-disks': (RecreateDisks, ARGS_ONE,
+ 'recreate-disks': (RecreateDisks, ARGS_ONE_INSTANCE,
[DEBUG_OPT, SUBMIT_OPT,
- make_option("--disks", dest="disks", default=None,
- help="Comma-separated list of disks"
- " indices to replace (e.g. 0,2) (optional,"
- " defaults to all disks)"),
+ cli_option("--disks", dest="disks", default=None,
+ help="Comma-separated list of disks"
+ " indices to replace (e.g. 0,2) (optional,"
+ " defaults to all disks)"),
],
"<instance>",
"Recreate an instance's disks"),
- 'grow-disk': (GrowDisk, ARGS_FIXED(3),
+ 'grow-disk': (GrowDisk,
+ [ArgInstance(min=1, max=1), ArgUnknown(min=1, max=1),
+ ArgUnknown(min=1, max=1)],
[DEBUG_OPT, SUBMIT_OPT,
- make_option("--no-wait-for-sync",
- dest="wait_for_sync", default=True,
- action="store_false",
- help="Don't wait for sync (DANGEROUS!)"),
+ cli_option("--no-wait-for-sync",
+ dest="wait_for_sync", default=True,
+ action="store_false",
+ help="Don't wait for sync (DANGEROUS!)"),
],
"<instance> <disk> <size>", "Grow an instance's disk"),
- 'list-tags': (ListTags, ARGS_ONE, [DEBUG_OPT],
+ 'list-tags': (ListTags, ARGS_ONE_INSTANCE, [DEBUG_OPT],
"<instance_name>", "List the tags of the given instance"),
- 'add-tags': (AddTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT],
+ 'add-tags': (AddTags, [ArgInstance(min=1, max=1), ArgUnknown()],
+ [DEBUG_OPT, TAG_SRC_OPT],
"<instance_name> tag...", "Add tags to the given instance"),
- 'remove-tags': (RemoveTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT],
+ 'remove-tags': (RemoveTags, [ArgInstance(min=1, max=1), ArgUnknown()],
+ [DEBUG_OPT, TAG_SRC_OPT],
"<instance_name> tag...", "Remove tags from given instance"),
}
'stop': 'shutdown',
}
+
if __name__ == '__main__':
sys.exit(GenericMain(commands, aliases=aliases,
override={"tag_type": constants.TAG_INSTANCE}))