from ganeti import http
from ganeti import constants
from ganeti import cli
-from ganeti import utils
from ganeti import rapi
+from ganeti import ht
from ganeti.rapi import baserlib
_NR_REGULAR = "regular"
_NR_MAP = {
- "M": _NR_MASTER,
- "C": _NR_MASTER_CANDIATE,
- "D": _NR_DRAINED,
- "O": _NR_OFFLINE,
- "R": _NR_REGULAR,
+ constants.NR_MASTER: _NR_MASTER,
+ constants.NR_MCANDIDATE: _NR_MASTER_CANDIATE,
+ constants.NR_DRAINED: _NR_DRAINED,
+ constants.NR_OFFLINE: _NR_OFFLINE,
+ constants.NR_REGULAR: _NR_REGULAR,
}
+assert frozenset(_NR_MAP.keys()) == constants.NR_ALL
+
# Request data version field
_REQ_DATA_VERSION = "__version__"
"""
cl = baserlib.GetClient()
- op = opcodes.OpDiagnoseOS(output_fields=["name", "variants"], names=[])
+ op = opcodes.OpOsDiagnose(output_fields=["name", "variants"], names=[])
job_id = baserlib.SubmitJob([op], cl)
# we use custom feedback function, instead of print we log the status
result = cli.PollJob(job_id, cl, feedback_fn=baserlib.FeedbackFn)
else:
raise http.HttpBadRequest("Can't set '%s' role" % role)
- op = opcodes.OpSetNodeParams(node_name=node_name,
+ op = opcodes.OpNodeSetParams(node_name=node_name,
master_candidate=candidate,
offline=offline,
drained=drained,
cl = baserlib.GetClient()
- op = opcodes.OpNodeEvacuationStrategy(nodes=[node_name],
- iallocator=iallocator,
- remote_node=remote_node)
+ op = opcodes.OpNodeEvacStrategy(nodes=[node_name],
+ iallocator=iallocator,
+ remote_node=remote_node)
job_id = baserlib.SubmitJob([op], cl)
# we use custom feedback function, instead of print we log the status
result = cli.PollJob(job_id, cl, feedback_fn=baserlib.FeedbackFn)
jobs = []
- for iname, node in result:
+ for iname, node in result[0]:
if dry_run:
jid = None
else:
- op = opcodes.OpReplaceDisks(instance_name=iname,
- remote_node=node, disks=[],
- mode=constants.REPLACE_DISK_CHG,
- early_release=early_r)
+ op = opcodes.OpInstanceReplaceDisks(instance_name=iname,
+ remote_node=node, disks=[],
+ mode=constants.REPLACE_DISK_CHG,
+ early_release=early_r)
jid = baserlib.SubmitJob([op])
jobs.append((jid, iname, node))
else:
mode = self._checkStringVariable("mode", default=None)
- op = opcodes.OpMigrateNode(node_name=node_name, mode=mode)
+ op = opcodes.OpNodeMigrate(node_name=node_name, mode=mode)
return baserlib.SubmitJob([op])
"""/2/nodes/[node_name]/storage resource.
"""
- # LUQueryNodeStorage acquires locks, hence restricting access to GET
+ # LUNodeQueryStorage acquires locks, hence restricting access to GET
GET_ACCESS = [rapi.RAPI_ACCESS_WRITE]
def GET(self):
raise http.HttpBadRequest("Missing the required 'output_fields'"
" parameter")
- op = opcodes.OpQueryNodeStorage(nodes=[node_name],
+ op = opcodes.OpNodeQueryStorage(nodes=[node_name],
storage_type=storage_type,
output_fields=output_fields.split(","))
return baserlib.SubmitJob([op])
changes[constants.SF_ALLOCATABLE] = \
bool(self._checkIntVariable("allocatable", default=1))
- op = opcodes.OpModifyNodeStorage(node_name=node_name,
+ op = opcodes.OpNodeModifyStorage(node_name=node_name,
storage_type=storage_type,
name=name,
changes=changes)
@return: Group creation opcode
"""
- group_name = baserlib.CheckParameter(data, "name")
- alloc_policy = baserlib.CheckParameter(data, "alloc_policy", default=None)
+ override = {
+ "dry_run": dry_run,
+ }
+
+ rename = {
+ "name": "group_name",
+ }
- return opcodes.OpGroupAdd(group_name=group_name,
- alloc_policy=alloc_policy,
- dry_run=dry_run)
+ return baserlib.FillOpcode(opcodes.OpGroupAdd, data, override,
+ rename=rename)
class R_2_groups(baserlib.R_Generic):
def _ParseModifyGroupRequest(name, data):
"""Parses a request for modifying a node group.
- @rtype: L{opcodes.OpSetGroupParams}
+ @rtype: L{opcodes.OpGroupSetParams}
@return: Group modify opcode
"""
- alloc_policy = baserlib.CheckParameter(data, "alloc_policy", default=None)
- return opcodes.OpSetGroupParams(group_name=name, alloc_policy=alloc_policy)
+ return baserlib.FillOpcode(opcodes.OpGroupSetParams, data, {
+ "group_name": name,
+ })
+
class R_2_groups_name_modify(baserlib.R_Generic):
@return: Node group rename opcode
"""
- old_name = name
- new_name = baserlib.CheckParameter(data, "new_name")
-
- return opcodes.OpGroupRename(old_name=old_name, new_name=new_name,
- dry_run=dry_run)
+ return baserlib.FillOpcode(opcodes.OpGroupRename, data, {
+ "group_name": name,
+ "dry_run": dry_run,
+ })
class R_2_groups_name_rename(baserlib.R_Generic):
def _ParseInstanceCreateRequestVersion1(data, dry_run):
"""Parses an instance creation request version 1.
- @rtype: L{opcodes.OpCreateInstance}
+ @rtype: L{opcodes.OpInstanceCreate}
@return: Instance creation opcode
"""
- # Disks
- disks_input = baserlib.CheckParameter(data, "disks", exptype=list)
-
- disks = []
- for idx, i in enumerate(disks_input):
- baserlib.CheckType(i, dict, "Disk %d specification" % idx)
-
- # Size is mandatory
- try:
- size = i[constants.IDISK_SIZE]
- except KeyError:
- raise http.HttpBadRequest("Disk %d specification wrong: missing disk"
- " size" % idx)
-
- disk = {
- constants.IDISK_SIZE: size,
- }
-
- # Optional disk access mode
- try:
- disk_access = i[constants.IDISK_MODE]
- except KeyError:
- pass
- else:
- disk[constants.IDISK_MODE] = disk_access
-
- disks.append(disk)
+ override = {
+ "dry_run": dry_run,
+ }
- assert len(disks_input) == len(disks)
+ rename = {
+ "os": "os_type",
+ "name": "instance_name",
+ }
- # Network interfaces
- nics_input = baserlib.CheckParameter(data, "nics", exptype=list)
-
- nics = []
- for idx, i in enumerate(nics_input):
- baserlib.CheckType(i, dict, "NIC %d specification" % idx)
-
- nic = {}
-
- for field in constants.INIC_PARAMS:
- try:
- value = i[field]
- except KeyError:
- continue
-
- nic[field] = value
-
- nics.append(nic)
-
- assert len(nics_input) == len(nics)
-
- # HV/BE parameters
- hvparams = baserlib.CheckParameter(data, "hvparams", default={})
- utils.ForceDictType(hvparams, constants.HVS_PARAMETER_TYPES)
-
- beparams = baserlib.CheckParameter(data, "beparams", default={})
- utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
-
- return opcodes.OpCreateInstance(
- mode=baserlib.CheckParameter(data, "mode"),
- instance_name=baserlib.CheckParameter(data, "name"),
- os_type=baserlib.CheckParameter(data, "os"),
- osparams=baserlib.CheckParameter(data, "osparams", default={}),
- force_variant=baserlib.CheckParameter(data, "force_variant",
- default=False),
- no_install=baserlib.CheckParameter(data, "no_install", default=False),
- pnode=baserlib.CheckParameter(data, "pnode", default=None),
- snode=baserlib.CheckParameter(data, "snode", default=None),
- disk_template=baserlib.CheckParameter(data, "disk_template"),
- disks=disks,
- nics=nics,
- src_node=baserlib.CheckParameter(data, "src_node", default=None),
- src_path=baserlib.CheckParameter(data, "src_path", default=None),
- start=baserlib.CheckParameter(data, "start", default=True),
- wait_for_sync=True,
- ip_check=baserlib.CheckParameter(data, "ip_check", default=True),
- name_check=baserlib.CheckParameter(data, "name_check", default=True),
- file_storage_dir=baserlib.CheckParameter(data, "file_storage_dir",
- default=None),
- file_driver=baserlib.CheckParameter(data, "file_driver",
- default=constants.FD_LOOP),
- source_handshake=baserlib.CheckParameter(data, "source_handshake",
- default=None),
- source_x509_ca=baserlib.CheckParameter(data, "source_x509_ca",
- default=None),
- source_instance_name=baserlib.CheckParameter(data, "source_instance_name",
- default=None),
- iallocator=baserlib.CheckParameter(data, "iallocator", default=None),
- hypervisor=baserlib.CheckParameter(data, "hypervisor", default=None),
- hvparams=hvparams,
- beparams=beparams,
- dry_run=dry_run,
- )
+ return baserlib.FillOpcode(opcodes.OpInstanceCreate, data, override,
+ rename=rename)
class R_2_instances(baserlib.R_Generic):
return baserlib.BuildUriList(instanceslist, "/2/instances/%s",
uri_fields=("id", "uri"))
- def _ParseVersion0CreateRequest(self):
- """Parses an instance creation request version 0.
-
- Request data version 0 is deprecated and should not be used anymore.
-
- @rtype: L{opcodes.OpCreateInstance}
- @return: Instance creation opcode
-
- """
- # Do not modify anymore, request data version 0 is deprecated
- beparams = baserlib.MakeParamsDict(self.request_body,
- constants.BES_PARAMETERS)
- hvparams = baserlib.MakeParamsDict(self.request_body,
- constants.HVS_PARAMETERS)
- fn = self.getBodyParameter
-
- # disk processing
- disk_data = fn('disks')
- if not isinstance(disk_data, list):
- raise http.HttpBadRequest("The 'disks' parameter should be a list")
- disks = []
- for idx, d in enumerate(disk_data):
- if not isinstance(d, int):
- raise http.HttpBadRequest("Disk %d specification wrong: should"
- " be an integer" % idx)
- disks.append({"size": d})
-
- # nic processing (one nic only)
- nics = [{"mac": fn("mac", constants.VALUE_AUTO)}]
- if fn("ip", None) is not None:
- nics[0]["ip"] = fn("ip")
- if fn("mode", None) is not None:
- nics[0]["mode"] = fn("mode")
- if fn("link", None) is not None:
- nics[0]["link"] = fn("link")
- if fn("bridge", None) is not None:
- nics[0]["bridge"] = fn("bridge")
-
- # Do not modify anymore, request data version 0 is deprecated
- return opcodes.OpCreateInstance(
- mode=constants.INSTANCE_CREATE,
- instance_name=fn('name'),
- disks=disks,
- disk_template=fn('disk_template'),
- os_type=fn('os'),
- pnode=fn('pnode', None),
- snode=fn('snode', None),
- iallocator=fn('iallocator', None),
- nics=nics,
- start=fn('start', True),
- ip_check=fn('ip_check', True),
- name_check=fn('name_check', True),
- wait_for_sync=True,
- hypervisor=fn('hypervisor', None),
- hvparams=hvparams,
- beparams=beparams,
- file_storage_dir=fn('file_storage_dir', None),
- file_driver=fn('file_driver', constants.FD_LOOP),
- dry_run=bool(self.dryRun()),
- )
-
def POST(self):
"""Create an instance.
data_version = self.getBodyParameter(_REQ_DATA_VERSION, 0)
if data_version == 0:
- op = self._ParseVersion0CreateRequest()
+ raise http.HttpBadRequest("Instance creation request version 0 is no"
+ " longer supported")
elif data_version == 1:
- op = _ParseInstanceCreateRequestVersion1(self.request_body,
- self.dryRun())
+ data = self.request_body.copy()
+ # Remove "__version__"
+ data.pop(_REQ_DATA_VERSION, None)
+ op = _ParseInstanceCreateRequestVersion1(data, self.dryRun())
else:
raise http.HttpBadRequest("Unsupported request data version %s" %
data_version)
"""Delete an instance.
"""
- op = opcodes.OpRemoveInstance(instance_name=self.items[0],
+ op = opcodes.OpInstanceRemove(instance_name=self.items[0],
ignore_failures=False,
dry_run=bool(self.dryRun()))
return baserlib.SubmitJob([op])
instance_name = self.items[0]
static = bool(self._checkIntVariable("static", default=0))
- op = opcodes.OpQueryInstanceData(instances=[instance_name],
+ op = opcodes.OpInstanceQueryData(instances=[instance_name],
static=static)
return baserlib.SubmitJob([op])
reboot_type = self.queryargs.get('type',
[constants.INSTANCE_REBOOT_HARD])[0]
ignore_secondaries = bool(self._checkIntVariable('ignore_secondaries'))
- op = opcodes.OpRebootInstance(instance_name=instance_name,
+ op = opcodes.OpInstanceReboot(instance_name=instance_name,
reboot_type=reboot_type,
ignore_secondaries=ignore_secondaries,
dry_run=bool(self.dryRun()))
"""
instance_name = self.items[0]
force_startup = bool(self._checkIntVariable('force'))
- op = opcodes.OpStartupInstance(instance_name=instance_name,
+ op = opcodes.OpInstanceStartup(instance_name=instance_name,
force=force_startup,
dry_run=bool(self.dryRun()))
return baserlib.SubmitJob([op])
+def _ParseShutdownInstanceRequest(name, data, dry_run):
+ """Parses a request for an instance shutdown.
+
+ @rtype: L{opcodes.OpInstanceShutdown}
+ @return: Instance shutdown opcode
+
+ """
+ return baserlib.FillOpcode(opcodes.OpInstanceShutdown, data, {
+ "instance_name": name,
+ "dry_run": dry_run,
+ })
+
+
class R_2_instances_name_shutdown(baserlib.R_Generic):
"""/2/instances/[instance_name]/shutdown resource.
def PUT(self):
"""Shutdown an instance.
+ @return: a job id
+
"""
- instance_name = self.items[0]
- op = opcodes.OpShutdownInstance(instance_name=instance_name,
- dry_run=bool(self.dryRun()))
+ baserlib.CheckType(self.request_body, dict, "Body contents")
+
+ op = _ParseShutdownInstanceRequest(self.items[0], self.request_body,
+ bool(self.dryRun()))
return baserlib.SubmitJob([op])
if not isinstance(data, dict):
raise http.HttpBadRequest("Invalid body contents, not a dictionary")
- ostype = baserlib.CheckParameter(data, "os")
+ ostype = baserlib.CheckParameter(data, "os", default=None)
start = baserlib.CheckParameter(data, "start", exptype=bool,
default=True)
osparams = baserlib.CheckParameter(data, "osparams", default=None)
ops = [
- opcodes.OpShutdownInstance(instance_name=name),
- opcodes.OpReinstallInstance(instance_name=name, os_type=ostype,
+ opcodes.OpInstanceShutdown(instance_name=name),
+ opcodes.OpInstanceReinstall(instance_name=name, os_type=ostype,
osparams=osparams),
]
if start:
- ops.append(opcodes.OpStartupInstance(instance_name=name, force=False))
+ ops.append(opcodes.OpInstanceStartup(instance_name=name, force=False))
return ops
raise http.HttpBadRequest("Can't combine query and body parameters")
body = self.request_body
- else:
- if not self.queryargs:
- raise http.HttpBadRequest("Missing query parameters")
+ elif self.queryargs:
# Legacy interface, do not modify/extend
body = {
"os": self._checkStringVariable("os"),
"start": not self._checkIntVariable("nostartup"),
}
+ else:
+ body = {}
ops = _ParseInstanceReinstallRequest(self.items[0], body)
return baserlib.SubmitJob(ops)
+def _ParseInstanceReplaceDisksRequest(name, data):
+ """Parses a request for an instance export.
+
+ @rtype: L{opcodes.OpInstanceReplaceDisks}
+ @return: Instance export opcode
+
+ """
+ override = {
+ "instance_name": name,
+ }
+
+ # Parse disks
+ try:
+ raw_disks = data["disks"]
+ except KeyError:
+ pass
+ else:
+ if not ht.TListOf(ht.TInt)(raw_disks): # pylint: disable-msg=E1102
+ # Backwards compatibility for strings of the format "1, 2, 3"
+ try:
+ data["disks"] = [int(part) for part in raw_disks.split(",")]
+ except (TypeError, ValueError), err:
+ raise http.HttpBadRequest("Invalid disk index passed: %s" % str(err))
+
+ return baserlib.FillOpcode(opcodes.OpInstanceReplaceDisks, data, override)
+
+
class R_2_instances_name_replace_disks(baserlib.R_Generic):
"""/2/instances/[instance_name]/replace-disks resource.
"""Replaces disks on an instance.
"""
- instance_name = self.items[0]
- remote_node = self._checkStringVariable("remote_node", default=None)
- mode = self._checkStringVariable("mode", default=None)
- raw_disks = self._checkStringVariable("disks", default=None)
- iallocator = self._checkStringVariable("iallocator", default=None)
-
- if raw_disks:
- try:
- disks = [int(part) for part in raw_disks.split(",")]
- except ValueError, err:
- raise http.HttpBadRequest("Invalid disk index passed: %s" % str(err))
- else:
- disks = []
-
- op = opcodes.OpReplaceDisks(instance_name=instance_name,
- remote_node=remote_node,
- mode=mode,
- disks=disks,
- iallocator=iallocator)
+ op = _ParseInstanceReplaceDisksRequest(self.items[0], self.request_body)
return baserlib.SubmitJob([op])
instance_name = self.items[0]
ignore_size = bool(self._checkIntVariable('ignore_size'))
- op = opcodes.OpActivateInstanceDisks(instance_name=instance_name,
+ op = opcodes.OpInstanceActivateDisks(instance_name=instance_name,
ignore_size=ignore_size)
return baserlib.SubmitJob([op])
"""
instance_name = self.items[0]
- op = opcodes.OpDeactivateInstanceDisks(instance_name=instance_name)
+ op = opcodes.OpInstanceDeactivateDisks(instance_name=instance_name)
return baserlib.SubmitJob([op])
@return: Instance export opcode
"""
- mode = baserlib.CheckParameter(data, "mode",
- default=constants.EXPORT_MODE_LOCAL)
- target_node = baserlib.CheckParameter(data, "destination")
- shutdown = baserlib.CheckParameter(data, "shutdown", exptype=bool)
- remove_instance = baserlib.CheckParameter(data, "remove_instance",
- exptype=bool, default=False)
- x509_key_name = baserlib.CheckParameter(data, "x509_key_name", default=None)
- destination_x509_ca = baserlib.CheckParameter(data, "destination_x509_ca",
- default=None)
-
- return opcodes.OpBackupExport(instance_name=name,
- mode=mode,
- target_node=target_node,
- shutdown=shutdown,
- remove_instance=remove_instance,
- x509_key_name=x509_key_name,
- destination_x509_ca=destination_x509_ca)
+ # Rename "destination" to "target_node"
+ try:
+ data["target_node"] = data.pop("destination")
+ except KeyError:
+ pass
+
+ return baserlib.FillOpcode(opcodes.OpBackupExport, data, {
+ "instance_name": name,
+ })
class R_2_instances_name_export(baserlib.R_Generic):
def _ParseMigrateInstanceRequest(name, data):
"""Parses a request for an instance migration.
- @rtype: L{opcodes.OpMigrateInstance}
+ @rtype: L{opcodes.OpInstanceMigrate}
@return: Instance migration opcode
"""
- mode = baserlib.CheckParameter(data, "mode", default=None)
- cleanup = baserlib.CheckParameter(data, "cleanup", exptype=bool,
- default=False)
-
- return opcodes.OpMigrateInstance(instance_name=name, mode=mode,
- cleanup=cleanup)
+ return baserlib.FillOpcode(opcodes.OpInstanceMigrate, data, {
+ "instance_name": name,
+ })
class R_2_instances_name_migrate(baserlib.R_Generic):
def _ParseRenameInstanceRequest(name, data):
"""Parses a request for renaming an instance.
- @rtype: L{opcodes.OpRenameInstance}
+ @rtype: L{opcodes.OpInstanceRename}
@return: Instance rename opcode
"""
- new_name = baserlib.CheckParameter(data, "new_name")
- ip_check = baserlib.CheckParameter(data, "ip_check", default=True)
- name_check = baserlib.CheckParameter(data, "name_check", default=True)
-
- return opcodes.OpRenameInstance(instance_name=name, new_name=new_name,
- name_check=name_check, ip_check=ip_check)
+ return baserlib.FillOpcode(opcodes.OpInstanceRename, data, {
+ "instance_name": name,
+ })
class R_2_instances_name_rename(baserlib.R_Generic):
def _ParseModifyInstanceRequest(name, data):
"""Parses a request for modifying an instance.
- @rtype: L{opcodes.OpSetInstanceParams}
+ @rtype: L{opcodes.OpInstanceSetParams}
@return: Instance modify opcode
"""
- osparams = baserlib.CheckParameter(data, "osparams", default={})
- force = baserlib.CheckParameter(data, "force", default=False)
- nics = baserlib.CheckParameter(data, "nics", default=[])
- disks = baserlib.CheckParameter(data, "disks", default=[])
- disk_template = baserlib.CheckParameter(data, "disk_template", default=None)
- remote_node = baserlib.CheckParameter(data, "remote_node", default=None)
- os_name = baserlib.CheckParameter(data, "os_name", default=None)
- force_variant = baserlib.CheckParameter(data, "force_variant", default=False)
-
- # HV/BE parameters
- hvparams = baserlib.CheckParameter(data, "hvparams", default={})
- utils.ForceDictType(hvparams, constants.HVS_PARAMETER_TYPES,
- allowed_values=[constants.VALUE_DEFAULT])
-
- beparams = baserlib.CheckParameter(data, "beparams", default={})
- utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES,
- allowed_values=[constants.VALUE_DEFAULT])
-
- return opcodes.OpSetInstanceParams(instance_name=name, hvparams=hvparams,
- beparams=beparams, osparams=osparams,
- force=force, nics=nics, disks=disks,
- disk_template=disk_template,
- remote_node=remote_node, os_name=os_name,
- force_variant=force_variant)
+ return baserlib.FillOpcode(opcodes.OpInstanceSetParams, data, {
+ "instance_name": name,
+ })
class R_2_instances_name_modify(baserlib.R_Generic):
@return: a job id
"""
- op = baserlib.FillOpcode(opcodes.OpGrowDisk, self.request_body, {
+ op = baserlib.FillOpcode(opcodes.OpInstanceGrowDisk, self.request_body, {
"instance_name": self.items[0],
"disk": int(self.items[1]),
})
return baserlib.SubmitJob([op])
+class R_2_instances_name_console(baserlib.R_Generic):
+ """/2/instances/[instance_name]/console resource.
+
+ """
+ GET_ACCESS = [rapi.RAPI_ACCESS_WRITE]
+
+ def GET(self):
+ """Request information for connecting to instance's console.
+
+ @return: Serialized instance console description, see
+ L{objects.InstanceConsole}
+
+ """
+ client = baserlib.GetClient()
+
+ ((console, ), ) = client.QueryInstances([self.items[0]], ["console"], False)
+
+ if console is None:
+ raise http.HttpServiceUnavailable("Instance console unavailable")
+
+ assert isinstance(console, dict)
+ return console
+
+
+def _GetQueryFields(args):
+ """
+
+ """
+ try:
+ fields = args["fields"]
+ except KeyError:
+ raise http.HttpBadRequest("Missing 'fields' query argument")
+
+ return _SplitQueryFields(fields[0])
+
+
+def _SplitQueryFields(fields):
+ """
+
+ """
+ return [i.strip() for i in fields.split(",")]
+
+
+class R_2_query(baserlib.R_Generic):
+ """/2/query/[resource] resource.
+
+ """
+ # Results might contain sensitive information
+ GET_ACCESS = [rapi.RAPI_ACCESS_WRITE]
+
+ def _Query(self, fields, filter_):
+ return baserlib.GetClient().Query(self.items[0], fields, filter_).ToDict()
+
+ def GET(self):
+ """Returns resource information.
+
+ @return: Query result, see L{objects.QueryResponse}
+
+ """
+ return self._Query(_GetQueryFields(self.queryargs), None)
+
+ def PUT(self):
+ """Submits job querying for resources.
+
+ @return: Query result, see L{objects.QueryResponse}
+
+ """
+ body = self.request_body
+
+ baserlib.CheckType(body, dict, "Body contents")
+
+ try:
+ fields = body["fields"]
+ except KeyError:
+ fields = _GetQueryFields(self.queryargs)
+
+ return self._Query(fields, self.request_body.get("filter", None))
+
+
+class R_2_query_fields(baserlib.R_Generic):
+ """/2/query/[resource]/fields resource.
+
+ """
+ def GET(self):
+ """Retrieves list of available fields for a resource.
+
+ @return: List of serialized L{objects.QueryFieldDefinition}
+
+ """
+ try:
+ raw_fields = self.queryargs["fields"]
+ except KeyError:
+ fields = None
+ else:
+ fields = _SplitQueryFields(raw_fields[0])
+
+ return baserlib.GetClient().QueryFields(self.items[0], fields).ToDict()
+
+
class _R_Tags(baserlib.R_Generic):
""" Quasiclass for tagging resources