/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.
       """
       from ganeti import opcodes
       from ganeti import http
       from ganeti import constants
       from ganeti import cli
       from ganeti.rapi import baserlib
       I_FIELDS = ["name", "admin_state", "os",
                   "pnode", "snodes",
                   "disk_template",
                   "nic.ips", "nic.macs", "nic.bridges",
                   "network_port",
                   "disk.sizes", "disk_usage",
                   "beparams", "hvparams",
                   "oper_state", "oper_ram", "status",
                   "tags"]
       N_FIELDS = ["name", "offline", "master_candidate", "drained",
                   "dtotal", "dfree",
                   "mtotal", "mnode", "mfree",
                   "pinst_cnt", "sinst_cnt", "tags",
                   "ctotal", "cnodes", "csockets",
+                  ]
       class R_version(baserlib.R_Generic):
         """/version resource.
         This resource should be used to determine the remote API version and
         to adapt clients accordingly.
         """
         DOC_URI = "/version"
         def GET(self):
           """Returns the remote API version.
           """
           return constants.RAPI_VERSION
       class R_2_info(baserlib.R_Generic):
         """Cluster info.
         """
         DOC_URI = "/2/info"
         def GET(self):
           """Returns cluster information.
           Example::
+          {
             "config_version": 2000000,
             "name": "cluster",
             "software_version": "2.0.0~beta2",
             "os_api_version": 10,
             "export_version": 0,
             "candidate_pool_size": 10,
             "enabled_hypervisors": [
               "fake"
             ],
             "hvparams": {
               "fake": {}
              },
             "default_hypervisor": "fake",
             "master": "node1.example.com",
             "architecture": [
               "64bit",
               "x86_64"
             ],
             "protocol_version": 20,
             "beparams": {
               "default": {
                 "auto_balance": true,
                 "vcpus": 1,
                 "memory": 128
+               }
+              }
+            }
           """
           client = baserlib.GetClient()
           return client.QueryClusterInfo()
       class R_2_os(baserlib.R_Generic):
         """/2/os resource.
         """
         DOC_URI = "/2/os"
         def GET(self):
           """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"], 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")
           return [row[0] for row in diagnose_data if row[1]]
       class R_2_jobs(baserlib.R_Generic):
         """/2/jobs resource.
         """
         DOC_URI = "/2/jobs"
         def GET(self):
           """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.
         """
         DOC_URI = "/2/jobs/[job_id]"
         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.
         """
         DOC_URI = "/2/nodes"
         def GET(self):
           """Returns a list of all nodes.
           Example::
+            [
+              {
                 "id": "node1.example.com",
                 "uri": "\/instances\/node1.example.com"
               },
+              {
                 "id": "node2.example.com",
                 "uri": "\/instances\/node2.example.com"
+              }
+            ]
           If the optional 'bulk' argument is provided and set to 'true'
           value (i.e '?bulk=1'), the output contains detailed
           information about nodes as a list.
           Example::
+            [
+              {
                 "pinst_cnt": 1,
                 "mfree": 31280,
                 "mtotal": 32763,
                 "name": "www.example.com",
                 "tags": [],
                 "mnode": 512,
                 "dtotal": 5246208,
                 "sinst_cnt": 2,
                 "dfree": 5171712,
                 "offline": false
               },
               ...
+            ]
           @return: a dictionary with 'name' and 'uri' keys for each of them
           """
           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.
         """
         DOC_URI = "/nodes/[node_name]"
         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_instances(baserlib.R_Generic):
         """/2/instances resource.
         """
         DOC_URI = "/2/instances"
         def GET(self):
           """Returns a list of all available instances.
           Example::
+            [
+              {
                 "name": "web.example.com",
                 "uri": "\/instances\/web.example.com"
               },
+              {
                 "name": "mail.example.com",
                 "uri": "\/instances\/mail.example.com"
+              }
+            ]
           If the optional 'bulk' argument is provided and set to 'true'
           value (i.e '?bulk=1'), the output contains detailed
           information about instances as a list.
           Example::
+            [
+              {
                  "status": "running",
                  "disk_usage": 20480,
                  "nic.bridges": [
                    "xen-br0"
                   ],
                  "name": "web.example.com",
                  "tags": ["tag1", "tag2"],
                  "beparams": {
                    "vcpus": 2,
                    "memory": 512
                  },
                  "disk.sizes": [
                  ],
                  "pnode": "node1.example.com",
                  "nic.macs": ["01:23:45:67:89:01"],
                  "snodes": ["node2.example.com"],
                  "disk_template": "drbd",
                  "admin_state": true,
                  "os": "debian-etch",
                  "oper_state": true
               },
               ...
+            ]
           @return: a dictionary with 'name' and 'uri' keys for each of them.
           """
           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")
             disks.append({"size": d})
           # nic processing (one nic only)
           nics = [{"mac": fn("mac", constants.VALUE_AUTO),
                    "ip": fn("ip", None),
                    "bridge": fn("bridge", None)}]
           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),
             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'),
+            )
           return baserlib.SubmitJob([op])
       class R_2_instances_name(baserlib.R_Generic):
         """/2/instances/[instance_name] resources.
         """
         DOC_URI = "/2/instances/[instance_name]"
         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)
           return baserlib.SubmitJob([op])
       class R_2_instances_name_reboot(baserlib.R_Generic):
         """/2/instances/[instance_name]/reboot resource.
         Implements an instance reboot.
         """
         DOC_URI = "/2/instances/[instance_name]/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.queryargs.get('ignore_secondaries',
                                                        [False])[0])
           op = opcodes.OpRebootInstance(instance_name=instance_name,
                                         reboot_type=reboot_type,
                                         ignore_secondaries=ignore_secondaries)
           return baserlib.SubmitJob([op])
       class R_2_instances_name_startup(baserlib.R_Generic):
         """/2/instances/[instance_name]/startup resource.
         Implements an instance startup.
         """
         DOC_URI = "/2/instances/[instance_name]/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.queryargs.get('force', [False])[0])
           op = opcodes.OpStartupInstance(instance_name=instance_name,
                                          force=force_startup)
           return baserlib.SubmitJob([op])
       class R_2_instances_name_shutdown(baserlib.R_Generic):
         """/2/instances/[instance_name]/shutdown resource.
         Implements an instance shutdown.
         """
         DOC_URI = "/2/instances/[instance_name]/shutdown"
         def PUT(self):
           """Shutdown an instance.
           """
           instance_name = self.items[0]
           op = opcodes.OpShutdownInstance(instance_name=instance_name)
           return baserlib.SubmitJob([op])
       class R_2_instances_name_reinstall(baserlib.R_Generic):
         """/2/instances/[instance_name]/reinstall resource.
         Implements an instance reinstall.
         """
         DOC_URI = "/2/instances/[instance_name]/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_Tags(baserlib.R_Generic):
         """ Quasiclass for tagging resources
         Manages tags. Inheriting this class you suppose to define DOC_URI and
         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"]
           """
           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.
           """
           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)
         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]
           """
           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)
       class R_2_instances_name_tags(_R_Tags):
         """ /2/instances/[instance_name]/tags resource.
         Manages per-instance tags.
         """
         DOC_URI = "/2/instances/[instance_name]/tags"
         TAG_LEVEL = constants.TAG_INSTANCE
       class R_2_nodes_name_tags(_R_Tags):
         """ /2/nodes/[node_name]/tags resource.
         Manages per-node tags.
         """
         DOC_URI = "/2/nodes/[node_name]/tags"
         TAG_LEVEL = constants.TAG_NODE
       class R_2_tags(_R_Tags):
         """ /2/instances/tags resource.
         Manages cluster tags.
         """
         DOC_URI = "/2/tags"
         TAG_LEVEL = constants.TAG_CLUSTER

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