4 # Copyright (C) 2006, 2007, 2008 Google Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 """Remote API connection map.
25 # pylint: disable-msg=C0103
27 # C0103: Invalid name, since the R_* names are not conforming
32 from ganeti import constants
33 from ganeti import http
35 from ganeti.rapi import baserlib
36 from ganeti.rapi import rlib2
39 _NAME_PATTERN = r"[\w\._-]+"
41 # the connection map is created at the end of this file
46 """Map resource to method.
49 def __init__(self, connector=None):
50 """Resource mapper constructor.
52 @param connector: a dictionary, mapping method name with URL path regexp
57 self._connector = connector
59 def getController(self, uri):
60 """Find method for a given URI.
62 @param uri: string with URI
64 @return: None if no method is found or a tuple containing
66 - method: name of method mapped to URI
67 - items: a list of variable intems in the path
68 - args: a dictionary with additional parameters from URL
72 (path, query) = uri.split('?', 1)
73 args = cgi.parse_qs(query)
81 for key, handler in self._connector.iteritems():
83 if hasattr(key, "match"):
86 result = (handler, list(m.groups()), args)
91 result = (handler, [], args)
97 raise http.HttpNotFound()
100 class R_root(baserlib.R_Generic):
106 """Show the list of mapped resources.
108 @return: a dictionary with 'name' and 'uri' keys for each of them.
111 root_pattern = re.compile('^R_([a-zA-Z0-9]+)$')
114 for handler in CONNECTOR.values():
115 m = root_pattern.match(handler.__name__)
119 rootlist.append(name)
121 return baserlib.BuildUriList(rootlist, "/%s")
124 def _getResources(id_):
125 """Return a list of resources underneath given id.
127 This is to generalize querying of version resources lists.
129 @return: a list of resources names.
132 r_pattern = re.compile('^R_%s_([a-zA-Z0-9]+)$' % id_)
135 for handler in CONNECTOR.values():
136 m = r_pattern.match(handler.__name__)
144 class R_2(baserlib.R_Generic):
145 """ /2 resource, the root of the version 2 API.
150 """Show the list of mapped resources.
152 @return: a dictionary with 'name' and 'uri' keys for each of them.
155 return baserlib.BuildUriList(_getResources("2"), "/2/%s")
158 def GetHandlers(node_name_pattern, instance_name_pattern, job_id_pattern):
159 """Returns all supported resources and their handlers.
162 # Important note: New resources should always be added under /2. During a
163 # discussion in July 2010 it was decided that having per-resource versions
164 # is more flexible and future-compatible than versioning the whole remote
169 "/version": rlib2.R_version,
173 "/2/nodes": rlib2.R_2_nodes,
174 re.compile(r'^/2/nodes/(%s)$' % node_name_pattern):
175 rlib2.R_2_nodes_name,
176 re.compile(r'^/2/nodes/(%s)/tags$' % node_name_pattern):
177 rlib2.R_2_nodes_name_tags,
178 re.compile(r'^/2/nodes/(%s)/role$' % node_name_pattern):
179 rlib2.R_2_nodes_name_role,
180 re.compile(r'^/2/nodes/(%s)/evacuate$' % node_name_pattern):
181 rlib2.R_2_nodes_name_evacuate,
182 re.compile(r'^/2/nodes/(%s)/migrate$' % node_name_pattern):
183 rlib2.R_2_nodes_name_migrate,
184 re.compile(r'^/2/nodes/(%s)/storage$' % node_name_pattern):
185 rlib2.R_2_nodes_name_storage,
186 re.compile(r'^/2/nodes/(%s)/storage/modify$' % node_name_pattern):
187 rlib2.R_2_nodes_name_storage_modify,
188 re.compile(r'^/2/nodes/(%s)/storage/repair$' % node_name_pattern):
189 rlib2.R_2_nodes_name_storage_repair,
191 "/2/instances": rlib2.R_2_instances,
192 re.compile(r'^/2/instances/(%s)$' % instance_name_pattern):
193 rlib2.R_2_instances_name,
194 re.compile(r'^/2/instances/(%s)/info$' % instance_name_pattern):
195 rlib2.R_2_instances_name_info,
196 re.compile(r'^/2/instances/(%s)/tags$' % instance_name_pattern):
197 rlib2.R_2_instances_name_tags,
198 re.compile(r'^/2/instances/(%s)/reboot$' % instance_name_pattern):
199 rlib2.R_2_instances_name_reboot,
200 re.compile(r'^/2/instances/(%s)/reinstall$' % instance_name_pattern):
201 rlib2.R_2_instances_name_reinstall,
202 re.compile(r'^/2/instances/(%s)/replace-disks$' % instance_name_pattern):
203 rlib2.R_2_instances_name_replace_disks,
204 re.compile(r'^/2/instances/(%s)/shutdown$' % instance_name_pattern):
205 rlib2.R_2_instances_name_shutdown,
206 re.compile(r'^/2/instances/(%s)/startup$' % instance_name_pattern):
207 rlib2.R_2_instances_name_startup,
208 re.compile(r'^/2/instances/(%s)/activate-disks$' % instance_name_pattern):
209 rlib2.R_2_instances_name_activate_disks,
210 re.compile(r'^/2/instances/(%s)/deactivate-disks$' % instance_name_pattern):
211 rlib2.R_2_instances_name_deactivate_disks,
212 re.compile(r'^/2/instances/(%s)/prepare-export$' % instance_name_pattern):
213 rlib2.R_2_instances_name_prepare_export,
214 re.compile(r'^/2/instances/(%s)/export$' % instance_name_pattern):
215 rlib2.R_2_instances_name_export,
216 re.compile(r'^/2/instances/(%s)/migrate$' % instance_name_pattern):
217 rlib2.R_2_instances_name_migrate,
218 re.compile(r'^/2/instances/(%s)/rename$' % instance_name_pattern):
219 rlib2.R_2_instances_name_rename,
220 re.compile(r'^/2/instances/(%s)/modify$' % instance_name_pattern):
221 rlib2.R_2_instances_name_modify,
223 "/2/jobs": rlib2.R_2_jobs,
224 re.compile(r"^/2/jobs/(%s)$" % job_id_pattern):
226 re.compile(r"^/2/jobs/(%s)/wait$" % job_id_pattern):
227 rlib2.R_2_jobs_id_wait,
229 "/2/tags": rlib2.R_2_tags,
230 "/2/info": rlib2.R_2_info,
231 "/2/os": rlib2.R_2_os,
232 "/2/redistribute-config": rlib2.R_2_redist_config,
233 "/2/features": rlib2.R_2_features,
237 CONNECTOR.update(GetHandlers(_NAME_PATTERN, _NAME_PATTERN,
238 constants.JOB_ID_TEMPLATE))