# W0614: Unused import %s from wildcard import (since we need cli)
# C0103: Invalid name gnt-instance
-import os
import itertools
import simplejson
+import logging
from cStringIO import StringIO
from ganeti.cli import *
from ganeti import utils
from ganeti import errors
from ganeti import netutils
+from ganeti import ssh
+from ganeti import objects
_SHUTDOWN_CLUSTER = "cluster"
"""
selected_fields = ParseFields(opts.output, _LIST_DEF_FIELDS)
- output = GetClient().QueryInstances(args, selected_fields, opts.do_locking)
-
- if not opts.no_headers:
- headers = {
- "name": "Instance", "os": "OS", "pnode": "Primary_node",
- "snodes": "Secondary_Nodes", "admin_state": "Autostart",
- "oper_state": "Running",
- "oper_ram": "Memory", "disk_template": "Disk_template",
- "oper_vcpus": "VCPUs",
- "ip": "IP_address", "mac": "MAC_address",
- "nic_mode": "NIC_Mode", "nic_link": "NIC_Link",
- "bridge": "Bridge",
- "sda_size": "Disk/0", "sdb_size": "Disk/1",
- "disk_usage": "DiskUsage",
- "status": "Status", "tags": "Tags",
- "network_port": "Network_port",
- "hv/kernel_path": "Kernel_path",
- "hv/initrd_path": "Initrd_path",
- "hv/boot_order": "Boot_order",
- "hv/acpi": "ACPI",
- "hv/pae": "PAE",
- "hv/cdrom_image_path": "CDROM_image_path",
- "hv/nic_type": "NIC_type",
- "hv/disk_type": "Disk_type",
- "hv/vnc_bind_address": "VNC_bind_address",
- "serial_no": "SerialNo", "hypervisor": "Hypervisor",
- "hvparams": "Hypervisor_parameters",
- "be/memory": "Configured_memory",
- "be/vcpus": "VCPUs",
- "vcpus": "VCPUs",
- "be/auto_balance": "Auto_balance",
- "disk.count": "Disks", "disk.sizes": "Disk_sizes",
- "nic.count": "NICs", "nic.ips": "NIC_IPs",
- "nic.modes": "NIC_modes", "nic.links": "NIC_links",
- "nic.bridges": "NIC_bridges", "nic.macs": "NIC_MACs",
- "ctime": "CTime", "mtime": "MTime", "uuid": "UUID",
- }
- else:
- headers = None
-
- unitfields = ["be/memory", "oper_ram", "sd(a|b)_size", "disk\.size/.*"]
- numfields = ["be/memory", "oper_ram", "sd(a|b)_size", "be/vcpus",
- "serial_no", "(disk|nic)\.count", "disk\.size/.*"]
-
- list_type_fields = ("tags", "disk.sizes", "nic.macs", "nic.ips",
- "nic.modes", "nic.links", "nic.bridges")
- # 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 == "oper_vcpus":
- if val is None:
- val = "(node down)"
- elif field == "sda_size" or field == "sdb_size":
- if val is None:
- val = "N/A"
- elif field == "ctime" or field == "mtime":
- val = utils.FormatTime(val)
- elif field in list_type_fields:
- val = ",".join(str(item) for item in val)
- elif val is None:
- val = "-"
- if opts.roman_integers and isinstance(val, int):
- val = compat.TryToRoman(val)
- row[idx] = str(val)
-
- data = GenerateTable(separator=opts.separator, headers=headers,
- fields=selected_fields, unitfields=unitfields,
- numfields=numfields, data=output, units=opts.units)
-
- for line in data:
- ToStdout(line)
+ fmtoverride = dict.fromkeys(["tags", "disk.sizes", "nic.macs", "nic.ips",
+ "nic.modes", "nic.links", "nic.bridges",
+ "snodes"],
+ (lambda value: ",".join(str(item)
+ for item in value),
+ False))
- return 0
+ return GenericList(constants.QR_INSTANCE, selected_fields, args, opts.units,
+ opts.separator, not opts.no_headers,
+ format_override=fmtoverride)
+
+
+def ListInstanceFields(opts, args):
+ """List instance fields.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: fields to list, or empty for all
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ return GenericListFields(constants.QR_INSTANCE, args, opts.separator,
+ not opts.no_headers)
def AddInstance(opts, args):
instance_name = args[0]
op = opcodes.OpConnectConsole(instance_name=instance_name)
- cmd = SubmitOpCode(op, opts=opts)
- if opts.show_command:
- ToStdout("%s", utils.ShellQuoteArgs(cmd))
+ cl = GetClient()
+ try:
+ cluster_name = cl.QueryConfigValues(["cluster_name"])[0]
+ console_data = SubmitOpCode(op, opts=opts, cl=cl)
+ finally:
+ # Ensure client connection is closed while external commands are run
+ cl.Close()
+
+ del cl
+
+ return _DoConsole(objects.InstanceConsole.FromDict(console_data),
+ opts.show_command, cluster_name)
+
+
+def _DoConsole(console, show_command, cluster_name, feedback_fn=ToStdout,
+ _runcmd_fn=utils.RunCmd):
+ """Acts based on the result of L{opcodes.OpConnectConsole}.
+
+ @type console: L{objects.InstanceConsole}
+ @param console: Console object
+ @type show_command: bool
+ @param show_command: Whether to just display commands
+ @type cluster_name: string
+ @param cluster_name: Cluster name as retrieved from master daemon
+
+ """
+ assert console.Validate()
+
+ if console.kind == constants.CONS_MESSAGE:
+ feedback_fn(console.message)
+ elif console.kind == constants.CONS_VNC:
+ feedback_fn("Instance %s has VNC listening on %s:%s (display %s),"
+ " URL <vnc://%s:%s/>",
+ console.instance, console.host, console.port,
+ console.display, console.host, console.port)
+ elif console.kind == constants.CONS_SSH:
+ # Convert to string if not already one
+ if isinstance(console.command, basestring):
+ cmd = console.command
+ else:
+ cmd = utils.ShellQuoteArgs(console.command)
+
+ srun = ssh.SshRunner(cluster_name=cluster_name)
+ ssh_cmd = srun.BuildCmd(console.host, console.user, cmd,
+ batch=True, quiet=False, tty=True)
+
+ if show_command:
+ feedback_fn(utils.ShellQuoteArgs(ssh_cmd))
+ else:
+ result = _runcmd_fn(ssh_cmd, interactive=True)
+ if result.failed:
+ logging.error("Console command \"%s\" failed with reason '%s' and"
+ " output %r", result.cmd, result.fail_reason,
+ result.output)
+ raise errors.OpExecError("Connection to console of instance %s failed,"
+ " please check cluster configuration" %
+ console.instance)
else:
- try:
- os.execvp(cmd[0], cmd)
- finally:
- ToStderr("Can't run console command %s with arguments:\n'%s'",
- cmd[0], " ".join(cmd))
- os._exit(1) # pylint: disable-msg=W0212
+ raise errors.GenericError("Unknown console type '%s'" % console.kind)
+
+ return constants.EXIT_SUCCESS
def _FormatLogicalID(dev_type, logical_id, roman):
# this is defined separately due to readability only
add_opts = [
- BACKEND_OPT,
- DISK_OPT,
- DISK_TEMPLATE_OPT,
- FILESTORE_DIR_OPT,
- FILESTORE_DRIVER_OPT,
- HYPERVISOR_OPT,
- IALLOCATOR_OPT,
- NET_OPT,
- NODE_PLACEMENT_OPT,
- NOIPCHECK_OPT,
- NONAMECHECK_OPT,
- NONICS_OPT,
NOSTART_OPT,
- NWSYNC_OPT,
- OSPARAMS_OPT,
OS_OPT,
FORCE_VARIANT_OPT,
NO_INSTALL_OPT,
- OS_SIZE_OPT,
- SUBMIT_OPT,
- DRY_RUN_OPT,
- PRIORITY_OPT,
]
commands = {
'add': (
- AddInstance, [ArgHost(min=1, max=1)], add_opts,
+ AddInstance, [ArgHost(min=1, max=1)], COMMON_CREATE_OPTS + add_opts,
"[...] -t disk-type -n node[:secondary-node] -o os-type <name>",
"Creates and adds a new instance to the cluster"),
'batch-create': (
"Show information on the specified instance(s)"),
'list': (
ListInstances, ARGS_MANY_INSTANCES,
- [NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, SYNC_OPT, ROMAN_OPT],
+ [NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT],
"[<instance>...]",
- "Lists the instances and their status. The available fields are"
- " (see the man page for details): status, oper_state, oper_ram,"
- " oper_vcpus, name, os, pnode, snodes, admin_state, admin_ram,"
- " disk_template, ip, mac, nic_mode, nic_link, sda_size, sdb_size,"
- " vcpus, serial_no,"
- " nic.count, nic.mac/N, nic.ip/N, nic.mode/N, nic.link/N,"
- " nic.macs, nic.ips, nic.modes, nic.links,"
- " disk.count, disk.size/N, disk.sizes,"
- " hv/NAME, be/memory, be/vcpus, be/auto_balance,"
- " hypervisor."
- " The default field"
- " list is (in order): %s." % utils.CommaJoin(_LIST_DEF_FIELDS),
+ "Lists the instances and their status. The available fields can be shown"
+ " using the \"list-fields\" command (see the man page for details)."
+ " The default field list is (in order): %s." %
+ utils.CommaJoin(_LIST_DEF_FIELDS),
),
+ "list-fields": (
+ ListInstanceFields, [ArgUnknown()],
+ [NOHDR_OPT, SEP_OPT],
+ "[fields...]",
+ "Lists all available fields for instances"),
'reinstall': (
ReinstallInstance, [ArgInstance()],
[FORCE_OPT, OS_OPT, FORCE_VARIANT_OPT, m_force_multi, m_node_opt,