/lib/rapi/rlib2.py - ganeti-local - Greek Research and Technology Network's projects

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+      #
+      #
       # Copyright (C) 2006, 2007, 2008 Google Inc.
+      #
       # This program is free software; you can redistribute it and/or modify
       # it under the terms of the GNU General Public License as published by
       # the Free Software Foundation; either version 2 of the License, or
       # (at your option) any later version.
+      #
       # This program is distributed in the hope that it will be useful, but
       # WITHOUT ANY WARRANTY; without even the implied warranty of
       # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
       # General Public License for more details.
+      #
       # You should have received a copy of the GNU General Public License
       # along with this program; if not, write to the Free Software
       # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
       # 02110-1301, USA.
       """Remote API version 2 baserlib.library.
       """
       # pylint: disable-msg=C0103
       # C0103: Invalid name, since the R_* names are not conforming
       from ganeti import opcodes
       from ganeti import http
       from ganeti import constants
       from ganeti import cli
       from ganeti import rapi
       from ganeti.rapi import baserlib
       _COMMON_FIELDS = ["ctime", "mtime", "uuid", "serial_no", "tags"]
       I_FIELDS = ["name", "admin_state", "os",
                   "pnode", "snodes",
                   "disk_template",
                   "nic.ips", "nic.macs", "nic.modes", "nic.links", "nic.bridges",
                   "network_port",
                   "disk.sizes", "disk_usage",
                   "beparams", "hvparams",
                   "oper_state", "oper_ram", "status",
                   ] + _COMMON_FIELDS
       N_FIELDS = ["name", "offline", "master_candidate", "drained",
                   "dtotal", "dfree",
                   "mtotal", "mnode", "mfree",
                   "pinst_cnt", "sinst_cnt",
                   "ctotal", "cnodes", "csockets",
                   "pip", "sip", "role",
                   "pinst_list", "sinst_list",
                   ] + _COMMON_FIELDS
       _NR_DRAINED = "drained"
       _NR_MASTER_CANDIATE = "master-candidate"
       _NR_MASTER = "master"
       _NR_OFFLINE = "offline"
       _NR_REGULAR = "regular"
       _NR_MAP = {
         "M": _NR_MASTER,
         "C": _NR_MASTER_CANDIATE,
         "D": _NR_DRAINED,
         "O": _NR_OFFLINE,
         "R": _NR_REGULAR,
+        }
       class R_version(baserlib.R_Generic):
         """/version resource.
         This resource should be used to determine the remote API version and
         to adapt clients accordingly.
         """
         @staticmethod
         def GET():
           """Returns the remote API version.
           """
           return constants.RAPI_VERSION
       class R_2_info(baserlib.R_Generic):
         """Cluster info.
         """
         @staticmethod
         def GET():
           """Returns cluster information.
           """
           client = baserlib.GetClient()
           return client.QueryClusterInfo()
       class R_2_os(baserlib.R_Generic):
         """/2/os resource.
         """
         @staticmethod
         def GET():
           """Return a list of all OSes.
           Can return error 500 in case of a problem.
           Example: ["debian-etch"]
           """
           cl = baserlib.GetClient()
           op = opcodes.OpDiagnoseOS(output_fields=["name", "valid", "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)
           diagnose_data = result[0]
           if not isinstance(diagnose_data, list):
             raise http.HttpBadGateway(message="Can't get OS list")
           os_names = []
           for (name, valid, variants) in diagnose_data:
             if valid:
               os_names.extend(cli.CalculateOSNames(name, variants))
           return os_names
       class R_2_redist_config(baserlib.R_Generic):
         """/2/redistribute-config resource.
         """
         @staticmethod
         def PUT():
           """Redistribute configuration to all nodes.
           """
           return baserlib.SubmitJob([opcodes.OpRedistributeConfig()])
       class R_2_jobs(baserlib.R_Generic):
         """/2/jobs resource.
         """
         @staticmethod
         def GET():
           """Returns a dictionary of jobs.
           @return: a dictionary with jobs id and uri.
           """
           fields = ["id"]
           cl = baserlib.GetClient()
           # Convert the list of lists to the list of ids
           result = [job_id for [job_id] in cl.QueryJobs(None, fields)]
           return baserlib.BuildUriList(result, "/2/jobs/%s",
                                        uri_fields=("id", "uri"))
       class R_2_jobs_id(baserlib.R_Generic):
         """/2/jobs/[job_id] resource.
         """
         def GET(self):
           """Returns a job status.
           @return: a dictionary with job parameters.
               The result includes:
                   - id: job ID as a number
                   - status: current job status as a string
                   - ops: involved OpCodes as a list of dictionaries for each
                     opcodes in the job
                   - opstatus: OpCodes status as a list
                   - opresult: OpCodes results as a list of lists
           """
           fields = ["id", "ops", "status", "summary",
                     "opstatus", "opresult", "oplog",
                     "received_ts", "start_ts", "end_ts",
+                    ]
           job_id = self.items[0]
           result = baserlib.GetClient().QueryJobs([job_id, ], fields)[0]
           if result is None:
             raise http.HttpNotFound()
           return baserlib.MapFields(fields, result)
         def DELETE(self):
           """Cancel not-yet-started job.
           """
           job_id = self.items[0]
           result = baserlib.GetClient().CancelJob(job_id)
           return result
       class R_2_nodes(baserlib.R_Generic):
         """/2/nodes resource.
         """
         def GET(self):
           """Returns a list of all nodes.
           """
           client = baserlib.GetClient()
           if self.useBulk():
             bulkdata = client.QueryNodes([], N_FIELDS, False)
             return baserlib.MapBulkFields(bulkdata, N_FIELDS)
           else:
             nodesdata = client.QueryNodes([], ["name"], False)
             nodeslist = [row[0] for row in nodesdata]
             return baserlib.BuildUriList(nodeslist, "/2/nodes/%s",
                                          uri_fields=("id", "uri"))
       class R_2_nodes_name(baserlib.R_Generic):
         """/2/nodes/[node_name] resources.
         """
         def GET(self):
           """Send information about a node.
           """
           node_name = self.items[0]
           client = baserlib.GetClient()
           result = client.QueryNodes(names=[node_name], fields=N_FIELDS,
                                      use_locking=self.useLocking())
           return baserlib.MapFields(N_FIELDS, result[0])
       class R_2_nodes_name_role(baserlib.R_Generic):
         """ /2/nodes/[node_name]/role resource.
         """
         def GET(self):
           """Returns the current node role.
           @return: Node role
           """
           node_name = self.items[0]
           client = baserlib.GetClient()
           result = client.QueryNodes(names=[node_name], fields=["role"],
                                      use_locking=self.useLocking())
           return _NR_MAP[result[0][0]]
         def PUT(self):
           """Sets the node role.
           @return: a job id
           """
           if not isinstance(self.req.request_body, basestring):
             raise http.HttpBadRequest("Invalid body contents, not a string")
           node_name = self.items[0]
           role = self.req.request_body
           if role == _NR_REGULAR:
             candidate = False
             offline = False
             drained = False
           elif role == _NR_MASTER_CANDIATE:
             candidate = True
             offline = drained = None
           elif role == _NR_DRAINED:
             drained = True
             candidate = offline = None
           elif role == _NR_OFFLINE:
             offline = True
             candidate = drained = None
           else:
             raise http.HttpBadRequest("Can't set '%s' role" % role)
           op = opcodes.OpSetNodeParams(node_name=node_name,
                                        master_candidate=candidate,
                                        offline=offline,
                                        drained=drained,
                                        force=bool(self.useForce()))
           return baserlib.SubmitJob([op])
       class R_2_nodes_name_evacuate(baserlib.R_Generic):
         """/2/nodes/[node_name]/evacuate resource.
         """
         def POST(self):
           """Evacuate all secondary instances off a node.
           """
           node_name = self.items[0]
           remote_node = self._checkStringVariable("remote_node", default=None)
           iallocator = self._checkStringVariable("iallocator", default=None)
           op = opcodes.OpEvacuateNode(node_name=node_name,
                                       remote_node=remote_node,
                                       iallocator=iallocator)
           return baserlib.SubmitJob([op])
       class R_2_nodes_name_migrate(baserlib.R_Generic):
         """/2/nodes/[node_name]/migrate resource.
         """
         def POST(self):
           """Migrate all primary instances from a node.
           """
           node_name = self.items[0]
           live = bool(self._checkIntVariable("live", default=1))
           op = opcodes.OpMigrateNode(node_name=node_name, live=live)
           return baserlib.SubmitJob([op])
       class R_2_nodes_name_storage(baserlib.R_Generic):
         """/2/nodes/[node_name]/storage ressource.
         """
         # LUQueryNodeStorage acquires locks, hence restricting access to GET
         GET_ACCESS = [rapi.RAPI_ACCESS_WRITE]
         def GET(self):
           node_name = self.items[0]
           storage_type = self._checkStringVariable("storage_type", None)
           if not storage_type:
             raise http.HttpBadRequest("Missing the required 'storage_type'"
                                       " parameter")
           output_fields = self._checkStringVariable("output_fields", None)
           if not output_fields:
             raise http.HttpBadRequest("Missing the required 'output_fields'"
                                       " parameter")
           op = opcodes.OpQueryNodeStorage(nodes=[node_name],
                                           storage_type=storage_type,
                                           output_fields=output_fields.split(","))
           return baserlib.SubmitJob([op])
       class R_2_nodes_name_storage_modify(baserlib.R_Generic):
         """/2/nodes/[node_name]/storage/modify ressource.
         """
         def PUT(self):
           node_name = self.items[0]
           storage_type = self._checkStringVariable("storage_type", None)
           if not storage_type:
             raise http.HttpBadRequest("Missing the required 'storage_type'"
                                       " parameter")
           name = self._checkStringVariable("name", None)
           if not name:
             raise http.HttpBadRequest("Missing the required 'name'"
                                       " parameter")
           changes = {}
           if "allocatable" in self.queryargs:
             changes[constants.SF_ALLOCATABLE] = \
               bool(self._checkIntVariable("allocatable", default=1))
           op = opcodes.OpModifyNodeStorage(node_name=node_name,
                                            storage_type=storage_type,
                                            name=name,
                                            changes=changes)
           return baserlib.SubmitJob([op])
       class R_2_nodes_name_storage_repair(baserlib.R_Generic):
         """/2/nodes/[node_name]/storage/repair ressource.
         """
         def PUT(self):
           node_name = self.items[0]
           storage_type = self._checkStringVariable("storage_type", None)
           if not storage_type:
             raise http.HttpBadRequest("Missing the required 'storage_type'"
                                       " parameter")
           name = self._checkStringVariable("name", None)
           if not name:
             raise http.HttpBadRequest("Missing the required 'name'"
                                       " parameter")
           op = opcodes.OpRepairNodeStorage(node_name=node_name,
                                            storage_type=storage_type,
                                            name=name)
           return baserlib.SubmitJob([op])
       class R_2_instances(baserlib.R_Generic):
         """/2/instances resource.
         """
         def GET(self):
           """Returns a list of all available instances.
           """
           client = baserlib.GetClient()
           use_locking = self.useLocking()
           if self.useBulk():
             bulkdata = client.QueryInstances([], I_FIELDS, use_locking)
             return baserlib.MapBulkFields(bulkdata, I_FIELDS)
           else:
             instancesdata = client.QueryInstances([], ["name"], use_locking)
             instanceslist = [row[0] for row in instancesdata]
             return baserlib.BuildUriList(instanceslist, "/2/instances/%s",
                                          uri_fields=("id", "uri"))
         def POST(self):
           """Create an instance.
           @return: a job id
           """
           if not isinstance(self.req.request_body, dict):
             raise http.HttpBadRequest("Invalid body contents, not a dictionary")
           beparams = baserlib.MakeParamsDict(self.req.request_body,
                                              constants.BES_PARAMETERS)
           hvparams = baserlib.MakeParamsDict(self.req.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")
           op = 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', 'loop'),
             dry_run=bool(self.dryRun()),
+            )
           return baserlib.SubmitJob([op])
       class R_2_instances_name(baserlib.R_Generic):
         """/2/instances/[instance_name] resources.
         """
         def GET(self):
           """Send information about an instance.
           """
           client = baserlib.GetClient()
           instance_name = self.items[0]
           result = client.QueryInstances(names=[instance_name], fields=I_FIELDS,
                                          use_locking=self.useLocking())
           return baserlib.MapFields(I_FIELDS, result[0])
         def DELETE(self):
           """Delete an instance.
           """
           op = opcodes.OpRemoveInstance(instance_name=self.items[0],
                                         ignore_failures=False,
                                         dry_run=bool(self.dryRun()))
           return baserlib.SubmitJob([op])
       class R_2_instances_name_info(baserlib.R_Generic):
         """/2/instances/[instance_name]/info resource.
         """
         def GET(self):
           """Request detailed instance information.
           """
           instance_name = self.items[0]
           static = bool(self._checkIntVariable("static", default=0))
           op = opcodes.OpQueryInstanceData(instances=[instance_name],
                                            static=static)
           return baserlib.SubmitJob([op])
       class R_2_instances_name_reboot(baserlib.R_Generic):
         """/2/instances/[instance_name]/reboot resource.
         Implements an instance reboot.
         """
         def POST(self):
           """Reboot an instance.
           The URI takes type=[hard|soft|full] and
           ignore_secondaries=[False|True] parameters.
           """
           instance_name = self.items[0]
           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,
                                         reboot_type=reboot_type,
                                         ignore_secondaries=ignore_secondaries,
                                         dry_run=bool(self.dryRun()))
           return baserlib.SubmitJob([op])
       class R_2_instances_name_startup(baserlib.R_Generic):
         """/2/instances/[instance_name]/startup resource.
         Implements an instance startup.
         """
         def PUT(self):
           """Startup an instance.
           The URI takes force=[False|True] parameter to start the instance
           if even if secondary disks are failing.
           """
           instance_name = self.items[0]
           force_startup = bool(self._checkIntVariable('force'))
           op = opcodes.OpStartupInstance(instance_name=instance_name,
                                          force=force_startup,
                                          dry_run=bool(self.dryRun()))
           return baserlib.SubmitJob([op])
       class R_2_instances_name_shutdown(baserlib.R_Generic):
         """/2/instances/[instance_name]/shutdown resource.
         Implements an instance shutdown.
         """
         def PUT(self):
           """Shutdown an instance.
           """
           instance_name = self.items[0]
           op = opcodes.OpShutdownInstance(instance_name=instance_name,
                                           dry_run=bool(self.dryRun()))
           return baserlib.SubmitJob([op])
       class R_2_instances_name_reinstall(baserlib.R_Generic):
         """/2/instances/[instance_name]/reinstall resource.
         Implements an instance reinstall.
         """
         def POST(self):
           """Reinstall an instance.
           The URI takes os=name and nostartup=[0|1] optional
           parameters. By default, the instance will be started
           automatically.
           """
           instance_name = self.items[0]
           ostype = self._checkStringVariable('os')
           nostartup = self._checkIntVariable('nostartup')
           ops = [
             opcodes.OpShutdownInstance(instance_name=instance_name),
             opcodes.OpReinstallInstance(instance_name=instance_name, os_type=ostype),
+            ]
           if not nostartup:
             ops.append(opcodes.OpStartupInstance(instance_name=instance_name,
                                                  force=False))
           return baserlib.SubmitJob(ops)
       class R_2_instances_name_replace_disks(baserlib.R_Generic):
         """/2/instances/[instance_name]/replace-disks resource.
         """
         def POST(self):
           """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)
           return baserlib.SubmitJob([op])
       class _R_Tags(baserlib.R_Generic):
         """ Quasiclass for tagging resources
         Manages tags. When inheriting this class you must define the
         TAG_LEVEL for it.
         """
         TAG_LEVEL = None
         def __init__(self, items, queryargs, req):
           """A tag resource constructor.
           We have to override the default to sort out cluster naming case.
           """
           baserlib.R_Generic.__init__(self, items, queryargs, req)
           if self.TAG_LEVEL != constants.TAG_CLUSTER:
             self.name = items[0]
           else:
             self.name = ""
         def GET(self):
           """Returns a list of tags.
           Example: ["tag1", "tag2", "tag3"]
           """
           # pylint: disable-msg=W0212
           return baserlib._Tags_GET(self.TAG_LEVEL, name=self.name)
         def PUT(self):
           """Add a set of tags.
           The request as a list of strings should be PUT to this URI. And
           you'll have back a job id.
           """
           # pylint: disable-msg=W0212
           if 'tag' not in self.queryargs:
             raise http.HttpBadRequest("Please specify tag(s) to add using the"
                                       " the 'tag' parameter")
           return baserlib._Tags_PUT(self.TAG_LEVEL,
                                     self.queryargs['tag'], name=self.name,
                                     dry_run=bool(self.dryRun()))
         def DELETE(self):
           """Delete a tag.
           In order to delete a set of tags, the DELETE
           request should be addressed to URI like:
           /tags?tag=[tag]&tag=[tag]
           """
           # pylint: disable-msg=W0212
           if 'tag' not in self.queryargs:
             # no we not gonna delete all tags
             raise http.HttpBadRequest("Cannot delete all tags - please specify"
                                       " tag(s) using the 'tag' parameter")
           return baserlib._Tags_DELETE(self.TAG_LEVEL,
                                        self.queryargs['tag'],
                                        name=self.name,
                                        dry_run=bool(self.dryRun()))
       class R_2_instances_name_tags(_R_Tags):
         """ /2/instances/[instance_name]/tags resource.
         Manages per-instance tags.
         """
         TAG_LEVEL = constants.TAG_INSTANCE
       class R_2_nodes_name_tags(_R_Tags):
         """ /2/nodes/[node_name]/tags resource.
         Manages per-node tags.
         """
         TAG_LEVEL = constants.TAG_NODE
       class R_2_tags(_R_Tags):
         """ /2/instances/tags resource.
         Manages cluster tags.
         """
         TAG_LEVEL = constants.TAG_CLUSTER

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root / lib / rapi / rlib2.py @ 7e950d31