/lib/rapi/rlib2.py - snf-ganeti - 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.
       """
       import ganeti.opcodes
       from ganeti import http
       from ganeti import luxi
       from ganeti import constants
       from ganeti.rapi import baserlib
       I_FIELDS = ["name", "os", "pnode", "snodes", "admin_state", "disk_template",
                   "ip", "mac", "bridge", "sda_size", "sdb_size", "beparams",
                   "oper_state", "status", "tags"]
       N_FIELDS = ["name", "dtotal", "dfree",
                   "mtotal", "mnode", "mfree",
                   "pinst_cnt", "sinst_cnt", "tags"]
       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": 3,
               "name": "cluster1.example.com",
               "software_version": "1.2.4",
               "os_api_version": 5,
               "export_version": 0,
               "master": "node1.example.com",
               "architecture": [
                 "64bit",
                 "x86_64"
               ],
               "hypervisor_type": "xen-pvm",
               "protocol_version": 12
+            }
           """
           op = ganeti.opcodes.OpQueryClusterInfo()
           return ganeti.cli.SubmitOpCode(op)
       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"]
           """
           op = ganeti.opcodes.OpDiagnoseOS(output_fields=["name", "valid"],
                                            names=[])
           diagnose_data = ganeti.cli.SubmitOpCode(op)
           if not isinstance(diagnose_data, list):
             raise http.HttpInternalServerError(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"]
           # Convert the list of lists to the list of ids
           result = [job_id for [job_id] in luxi.Client().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", "opstatus", "opresult"]
           job_id = self.items[0]
           result = luxi.Client().QueryJobs([job_id, ], fields)[0]
           return baserlib.MapFields(fields, result)
         def DELETE(self):
           """Cancel not-yet-started job.
           """
           job_id = self.items[0]
           result = luxi.Client().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
               },
               ...
+            ]
           @return: a dictionary with 'name' and 'uri' keys for each of them
           """
           client = luxi.Client()
           nodesdata = client.QueryNodes([], ["name"])
           nodeslist = [row[0] for row in nodesdata]
           if 'bulk' in self.queryargs:
             bulkdata = client.QueryNodes(nodeslist, N_FIELDS)
             return baserlib.MapBulkFields(bulkdata, N_FIELDS)
           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]
           op = ganeti.opcodes.OpQueryNodes(output_fields=N_FIELDS,
                                            names=[node_name])
           result = ganeti.cli.SubmitOpCode(op)
           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",
                  "bridge": "xen-br0",
                  "name": "web.example.com",
                  "tags": ["tag1", "tag2"],
                  "admin_ram": 512,
                  "sda_size": 20480,
                  "pnode": "node1.example.com",
                  "mac": "01:23:45:67:89:01",
                  "sdb_size": 4096,
                  "snodes": ["node2.example.com"],
                  "disk_template": "drbd",
                  "ip": null,
                  "admin_state": true,
                  "os": "debian-etch",
                  "vcpus": 2,
                  "oper_state": true
               },
               ...
+            ]
           @returns: a dictionary with 'name' and 'uri' keys for each of them.
           """
           client = luxi.Client()
           instancesdata = client.QueryInstances([], ["name"])
           instanceslist = [row[0] for row in instancesdata]
           if 'bulk' in self.queryargs:
             bulkdata = client.QueryInstances(instanceslist, I_FIELDS)
             return baserlib.MapBulkFields(bulkdata, I_FIELDS)
           else:
             return baserlib.BuildUriList(instanceslist, "/2/instances/%s",
                                          uri_fields=("id", "uri"))
         def POST(self):
           """Create an instance.
           @returns: a job id
           """
           opts = self.req.request_post_data
           beparams = baserlib.MakeParamsDict(opts, constants.BES_PARAMETERS)
           hvparams = baserlib.MakeParamsDict(opts, constants.HVS_PARAMETERS)
           op = ganeti.opcodes.OpCreateInstance(
               instance_name=opts.get('name'),
               disk_size=opts.get('size', 20 * 1024),
               swap_size=opts.get('swap', 4 * 1024),
               disk_template=opts.get('disk_template', None),
               mode=constants.INSTANCE_CREATE,
               os_type=opts.get('os'),
               pnode=opts.get('pnode'),
               snode=opts.get('snode'),
               ip=opts.get('ip', 'none'),
               bridge=opts.get('bridge', None),
               start=opts.get('start', True),
               ip_check=opts.get('ip_check', True),
               wait_for_sync=opts.get('wait_for_sync', True),
               mac=opts.get('mac', 'auto'),
               hypervisor=opts.get('hypervisor', None),
               hvparams=hvparams,
               beparams=beparams,
               iallocator=opts.get('iallocator', None),
               file_storage_dir=opts.get('file_storage_dir', None),
               file_driver=opts.get('file_driver', 'loop'),
+              )
           job_id = ganeti.cli.SendJob([op])
           return job_id
       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.
           """
           instance_name = self.items[0]
           op = ganeti.opcodes.OpQueryInstances(output_fields=I_FIELDS,
                                                names=[instance_name])
           result = ganeti.cli.SubmitOpCode(op)
           return baserlib.MapFields(I_FIELDS, result[0])
       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 = ganeti.opcodes.OpRebootInstance(
               instance_name=instance_name,
               reboot_type=reboot_type,
               ignore_secondaries=ignore_secondaries)
           job_id = ganeti.cli.SendJob([op])
           return job_id
       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 = ganeti.opcodes.OpStartupInstance(instance_name=instance_name,
                                                 force=force_startup)
           job_id = ganeti.cli.SendJob([op])
           return job_id
       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 = ganeti.opcodes.OpShutdownInstance(instance_name=instance_name)
           job_id = ganeti.cli.SendJob([op])
           return job_id
       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.
         """
         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.
           """
           return baserlib._Tags_PUT(self.TAG_LEVEL,
                                     self.req.request_post_data, 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.HttpNotImplemented()
           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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root / lib / rapi / rlib2.py @ 18cb43a2