Module: Fog::OpenStack

Extended by:
Provider
Defined in:
lib/fog/openstack.rb,
lib/fog/openstack/core.rb,
lib/fog/openstack/errors.rb,
lib/fog/openstack/models/model.rb,
lib/fog/openstack/models/collection.rb

Defined Under Namespace

Modules: Core, Errors Classes: Collection, Model

Constant Summary collapse

@@token_cache = 
{}

Class Method Summary collapse

Class Method Details

.authenticate(options, connection_options = {}) ⇒ Object 



92
93
94
95
96
97
98
99
100
101
102
103
 
# File 'lib/fog/openstack.rb', line 92

def self.authenticate(options, connection_options = {})
  case options[:openstack_auth_uri].path
  when /v1(\.\d+)?/
    authenticate_v1(options, connection_options)
  when /v2(\.\d+)?/
    authenticate_v2(options, connection_options)
  when /v3(\.\d+)?/
    authenticate_v3(options, connection_options)
  else
    authenticate_v2(options, connection_options)
  end
end

.authenticate_v1(options, connection_options = {}) ⇒ Object

legacy v1.0 style auth



106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
 
# File 'lib/fog/openstack.rb', line 106

def self.authenticate_v1(options, connection_options = {})
  uri = options[:openstack_auth_uri]
  connection = Fog::Core::Connection.new(uri.to_s, false, connection_options)
  @openstack_api_key  = options[:openstack_api_key]
  @openstack_username = options[:openstack_username]

  response = connection.request({
    :expects  => [200, 204],
    :headers  => {
      'X-Auth-Key'  => @openstack_api_key,
      'X-Auth-User' => @openstack_username
    },
    :method   => 'GET',
    :path     =>  (uri.path and not uri.path.empty?) ? uri.path : 'v1.0'
  })

  return {
    :token => response.headers['X-Auth-Token'],
    :server_management_url => response.headers['X-Server-Management-Url'] || response.headers['X-Storage-Url'],
    :identity_public_endpoint => response.headers['X-Keystone']
  }
end

.authenticate_v2(options, connection_options = {}) ⇒ Object

Keystone Style Auth



130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
 
# File 'lib/fog/openstack.rb', line 130

def self.authenticate_v2(options, connection_options = {})
  uri                   = options[:openstack_auth_uri]
  tenant_name           = options[:openstack_tenant]
  service_type          = options[:openstack_service_type]
  service_name          = options[:openstack_service_name]
  identity_service_type = options[:openstack_identity_service_type]
  endpoint_type         = (options[:openstack_endpoint_type] || 'publicURL').to_s
  openstack_region      = options[:openstack_region]

  body = retrieve_tokens_v2(options, connection_options)
  service = get_service(body, service_type, service_name)

  options[:unscoped_token] = body['access']['token']['id']

  unless service
    unless tenant_name
      response = Fog::Core::Connection.new(
        "#{uri.scheme}://#{uri.host}:#{uri.port}/v2.0/tenants", false, connection_options).request({
        :expects => [200, 204],
        :headers => {'Content-Type' => 'application/json',
                     'Accept' => 'application/json',
                     'X-Auth-Token' => body['access']['token']['id']},
        :method  => 'GET'
      })

      body = Fog::JSON.decode(response.body)
      if body['tenants'].empty?
        raise Fog::Errors::NotFound.new('No Tenant Found')
      else
        options[:openstack_tenant] = body['tenants'].first['name']
      end
    end

    body = retrieve_tokens_v2(options, connection_options)
    service = get_service(body, service_type, service_name)

  end

  unless service
    available = body['access']['serviceCatalog'].map { |endpoint|
      endpoint['type']
    }.sort.join ', '

    missing = service_type.join ', '

    message = "Could not find service #{missing}.  Have #{available}"

    raise Fog::Errors::NotFound, message
  end

  service['endpoints'] = service['endpoints'].select do |endpoint|
    endpoint['region'] == openstack_region
  end if openstack_region

  if service['endpoints'].empty?
    raise Fog::Errors::NotFound.new("No endpoints available for region '#{openstack_region}'")
  end if openstack_region

  regions = service["endpoints"].map{ |e| e['region'] }.uniq
  if regions.count > 1
    raise Fog::Errors::NotFound.new("Multiple regions available choose one of these '#{regions.join(',')}'")
  end

  identity_service = get_service(body, identity_service_type) if identity_service_type
  tenant = body['access']['token']['tenant']
  user = body['access']['user']

  management_url = service['endpoints'].find{|s| s[endpoint_type]}[endpoint_type]
  identity_url   = identity_service['endpoints'].find{|s| s['publicURL']}['publicURL'] if identity_service

  {
    :user                     => user,
    :tenant                   => tenant,
    :identity_public_endpoint => identity_url,
    :server_management_url    => management_url,
    :token                    => body['access']['token']['id'],
    :expires                  => body['access']['token']['expires'],
    :current_user_id          => body['access']['user']['id'],
    :unscoped_token           => options[:unscoped_token]
  }
end

.authenticate_v3(options, connection_options = {}) ⇒ Object

Keystone Style Auth



213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
 
# File 'lib/fog/openstack.rb', line 213

def self.authenticate_v3(options, connection_options = {})
  uri = options[:openstack_auth_uri]
  project_name          = options[:openstack_project_name]
  service_type          = options[:openstack_service_type]
  service_name          = options[:openstack_service_name]
  identity_service_type = options[:openstack_identity_service_type]
  endpoint_type         = map_endpoint_type(options[:openstack_endpoint_type] || 'publicURL')
  openstack_region      = options[:openstack_region]

  token, body = retrieve_tokens_v3 options, connection_options

  service = get_service_v3(body, service_type, service_name, openstack_region, options)

  options[:unscoped_token] = token

  unless service
    unless project_name
      request_body = {
          :expects => [200],
          :headers => {'Content-Type' => 'application/json',
                       'Accept' => 'application/json',
                       'X-Auth-Token' => token},
          :method => 'GET'
      }
      user_id = body['token']['user']['id']
      project_uri = uri.clone
      project_uri.path = uri.path.sub('/auth/tokens', "/users/#{user_id}/projects")
      project_uri_param = "#{project_uri.scheme}://#{project_uri.host}:#{project_uri.port}#{project_uri.path}"
      response = Fog::Core::Connection.new(project_uri_param, false, connection_options).request(request_body)

      projects_body = Fog::JSON.decode(response.body)
      if projects_body['projects'].empty?
        options[:openstack_domain_id] = body['token']['user']['domain']['id']
      else
        options[:openstack_project_id] = projects_body['projects'].first['id']
        options[:openstack_project_name] = projects_body['projects'].first['name']
        options[:openstack_domain_id] = projects_body['projects'].first['domain_id']
      end
    end

    token, body = retrieve_tokens_v3(options, connection_options)
    service = get_service_v3(body, service_type, service_name, openstack_region, options)
  end

  unless service
    available_services = body['token']['catalog'].map { |service|
      service['type']
    }.sort.join ', '

    available_regions = body['token']['catalog'].map { |service|
      service['endpoints'].map { |endpoint|
        endpoint['region']
      }.uniq
    }.uniq.sort.join ', '

    missing = service_type.join ', '

    message = "Could not find service #{missing}#{(' in region '+openstack_region) if openstack_region}."+
        " Have #{available_services}#{(' in regions '+available_regions) if openstack_region}"

    raise Fog::Errors::NotFound, message
  end

  service['endpoints'] = service['endpoints'].select do |endpoint|
    endpoint['region'] == openstack_region && endpoint['interface'] == endpoint_type
  end if openstack_region

  if service['endpoints'].empty?
    raise Fog::Errors::NotFound.new("No endpoints available for region '#{openstack_region}'")
  end if openstack_region

  regions = service["endpoints"].map { |e| e['region'] }.uniq
  if regions.count > 1
    raise Fog::Errors::NotFound.new("Multiple regions available choose one of these '#{regions.join(',')}'")
  end

  identity_service = get_service_v3(body, identity_service_type, nil, nil, :openstack_endpoint_path_matches => /\/v3/) if identity_service_type

  management_url = service['endpoints'].find { |e| e['interface']==endpoint_type }['url']
  identity_url = identity_service['endpoints'].find { |e| e['interface']=='public' }['url'] if identity_service

  if body['token']['project']
    tenant = body['token']['project']
  elsif body['token']['user']['project']
    tenant = body['token']['user']['project']
  end

  return {
      :user                     => body['token']['user']['name'],
      :tenant                   => tenant,
      :identity_public_endpoint => identity_url,
      :server_management_url    => management_url,
      :token                    => token,
      :expires                  => body['token']['expires_at'],
      :current_user_id          => body['token']['user']['id'],
      :unscoped_token           => options[:unscoped_token]
  }
end

.clear_token_cache ⇒ Object 



88
89
90
 
# File 'lib/fog/openstack.rb', line 88

def self.clear_token_cache
  @@token_cache.clear
end

.endpoint_path_match?(endpoint, match_regex) ⇒ Boolean

Returns:

  • (Boolean) 


483
484
485
 
# File 'lib/fog/openstack.rb', line 483

def self.endpoint_path_match?(endpoint, match_regex)
  match_regex.nil? || URI(endpoint['url']).path =~ match_regex
end

.endpoint_region?(endpoint, region) ⇒ Boolean

Returns:

  • (Boolean) 


479
480
481
 
# File 'lib/fog/openstack.rb', line 479

def self.endpoint_region?(endpoint, region)
  region.nil? || endpoint['region'] == region
end

.escape(str, extra_exclude_chars = '') ⇒ Object

CGI.escape, but without special treatment on spaces



546
547
548
549
550
 
# File 'lib/fog/openstack.rb', line 546

def self.escape(str, extra_exclude_chars = '')
  str.gsub(/([^a-zA-Z0-9_.-#{extra_exclude_chars}]+)/) do
    '%' + $1.unpack('H2' * $1.bytesize).join('%').upcase
  end
end

.get_service(body, service_type = [], service_name = nil) ⇒ Object 



312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
 
# File 'lib/fog/openstack.rb', line 312

def self.get_service(body, service_type=[], service_name=nil)
  if not body['access'].nil?
    body['access']['serviceCatalog'].find do |s|
      if service_name.nil? or service_name.empty?
        service_type.include?(s['type'])
      else
        service_type.include?(s['type']) and s['name'] == service_name
      end
    end
  elsif not body['token']['catalog'].nil?
    body['token']['catalog'].find do |s|
      if service_name.nil? or service_name.empty?
        service_type.include?(s['type'])
      else
        service_type.include?(s['type']) and s['name'] == service_name
      end
    end

  end
end

.get_service_v3(hash, service_type = [], service_name = nil, region = nil, options = {}) ⇒ Object 



461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
 
# File 'lib/fog/openstack.rb', line 461

def self.get_service_v3(hash, service_type=[], service_name=nil, region=nil, options={})

  # Find all services matching any of the types in service_type, filtered by service_name if it's non-nil
  services = hash['token']['catalog'].find_all do |s|
    if service_name.nil? or service_name.empty?
      service_type.include?(s['type'])
    else
      service_type.include?(s['type']) and s['name'] == service_name
    end
  end if hash['token']['catalog']

  # Filter the found services by region (if specified) and whether the endpoint path matches the given regex (e.g. /\/v3/)
  services.find do |s|
    s['endpoints'].any? { |ep| endpoint_region?(ep, region) && endpoint_path_match?(ep, options[:openstack_endpoint_path_matches])}
  end if services

end

.get_supported_version(supported_versions, uri, auth_token, connection_options = {}) ⇒ Object 



487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
 
# File 'lib/fog/openstack.rb', line 487

def self.get_supported_version(supported_versions, uri, auth_token, connection_options = {})
  connection = Fog::Core::Connection.new("#{uri.scheme}://#{uri.host}:#{uri.port}", false, connection_options)
  response = connection.request({
                                    :expects => [200, 204, 300],
                                    :headers => {'Content-Type' => 'application/json',
                                                 'Accept' => 'application/json',
                                                 'X-Auth-Token' => auth_token},
                                    :method => 'GET'
                                })

  body = Fog::JSON.decode(response.body)
  version = nil
  unless body['versions'].empty?
    supported_version = body['versions'].find do |x|
      x["id"].match(supported_versions) &&
          (x["status"] == "CURRENT" || x["status"] == "SUPPORTED")
    end
    version = supported_version["id"] if supported_version
  end
  if version.nil?
    raise Fog::OpenStack::Errors::ServiceUnavailable.new(
              "OpenStack service only supports API versions #{supported_versions.inspect}")
  end

  version
end

.get_supported_version_path(supported_versions, uri, auth_token, connection_options = {}) ⇒ Object 



514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
 
# File 'lib/fog/openstack.rb', line 514

def self.get_supported_version_path(supported_versions, uri, auth_token, connection_options = {})
  # Find a version in the path (e.g. the v1 in /xyz/v1/tenantid/abc) and get the path up until that version (e.g. /xyz))
  path_components = uri.path.split '/'
  version_component_index = path_components.index{|comp| comp.match(/v[0-9].?[0-9]?/) }
  versionless_path = (path_components.take(version_component_index).join '/' if version_component_index) || uri.path
  connection = Fog::Core::Connection.new("#{uri.scheme}://#{uri.host}:#{uri.port}#{versionless_path}", false, connection_options)
  response = connection.request({
                                    :expects => [200, 204, 300],
                                    :headers => {'Content-Type' => 'application/json',
                                                 'Accept' => 'application/json',
                                                 'X-Auth-Token' => auth_token},
                                    :method => 'GET'
                                })

  body = Fog::JSON.decode(response.body)
  path = nil
  unless body['versions'].empty?
    supported_version = body['versions'].find do |x|
      x["id"].match(supported_versions) &&
          (x["status"] == "CURRENT" || x["status"] == "SUPPORTED")
    end
    path = URI.parse(supported_version['links'].first['href']).path if supported_version
  end
  if path.nil?
    raise Fog::OpenStack::Errors::ServiceUnavailable.new(
              "OpenStack service only supports API versions #{supported_versions.inspect}")
  end

  path.chomp '/'
end

.map_endpoint_type(type) ⇒ Object 



552
553
554
555
556
557
558
559
560
561
562
 
# File 'lib/fog/openstack.rb', line 552

def self.map_endpoint_type type
  case type
    when "publicURL"
      "public"
    when "internalURL"
      "internal"
    when "adminURL"
      "admin"
  end

end

.retrieve_tokens_v2(options, connection_options = {}) ⇒ Object 



333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
 
# File 'lib/fog/openstack.rb', line 333

def self.retrieve_tokens_v2(options, connection_options = {})
  api_key           = options[:openstack_api_key].to_s
  username          = options[:openstack_username].to_s
  tenant_name       = options[:openstack_tenant].to_s
  auth_token        = options[:openstack_auth_token] || options[:unscoped_token]
  uri               = options[:openstack_auth_uri]
  omit_default_port = options[:openstack_auth_omit_default_port]

  identity_v2_connection = Fog::Core::Connection.new(uri.to_s, false, connection_options)
  request_body = {:auth => Hash.new}

  if auth_token
    request_body[:auth][:token] = {
      :id => auth_token
    }
  else
    request_body[:auth][:passwordCredentials] = {
      :username => username,
      :password => api_key
    }
  end
  request_body[:auth][:tenantName] = tenant_name if tenant_name

  request = {
    :expects => [200, 204],
    :headers => {'Content-Type' => 'application/json'},
    :body    => Fog::JSON.encode(request_body),
    :method  => 'POST',
    :path    => (uri.path and not uri.path.empty?) ? uri.path : 'v2.0'
  }
  request[:omit_default_port] = omit_default_port unless omit_default_port.nil?

  response = identity_v2_connection.request(request)

  Fog::JSON.decode(response.body)
end

.retrieve_tokens_v3(options, connection_options = {}) ⇒ Object 



370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
 
# File 'lib/fog/openstack.rb', line 370

def self.retrieve_tokens_v3(options, connection_options = {})

  api_key           = options[:openstack_api_key].to_s
  username          = options[:openstack_username].to_s
  userid            = options[:openstack_userid]
  domain_id         = options[:openstack_domain_id]
  domain_name       = options[:openstack_domain_name]
  project_domain    = options[:openstack_project_domain]
  project_domain_id = options[:openstack_project_domain_id]
  user_domain       = options[:openstack_user_domain]
  user_domain_id    = options[:openstack_user_domain_id]
  project_name      = options[:openstack_project_name]
  project_id        = options[:openstack_project_id]
  auth_token        = options[:openstack_auth_token] || options[:unscoped_token]
  uri               = options[:openstack_auth_uri]
  omit_default_port = options[:openstack_auth_omit_default_port]
  cache_ttl         = options[:openstack_cache_ttl] || 0

  connection = Fog::Core::Connection.new(uri.to_s, false, connection_options)
  request_body = {:auth => {}}

  scope = {}

  if project_name || project_id
    scope[:project] = if project_id.nil? then
                        if project_domain || project_domain_id
                          {:name => project_name, :domain => project_domain_id.nil? ? {:name => project_domain} : {:id => project_domain_id}}
                        else
                          {:name => project_name, :domain => domain_id.nil? ? {:name => domain_name} : {:id => domain_id}}
                        end
                      else
                        {:id => project_id}
                      end
  elsif domain_name || domain_id
    scope[:domain] = domain_id.nil? ? {:name => domain_name} : {:id => domain_id}
  else
    # unscoped token
  end

  if auth_token
    request_body[:auth][:identity] = {
        :methods => %w{token},
        :token => {
            :id => auth_token
        }
    }
  else
    request_body[:auth][:identity] = {
        :methods => %w{password},
        :password => {
            :user => {
                :password => api_key
            }
        }
    }

    if userid
      request_body[:auth][:identity][:password][:user][:id] = userid
    else
      if user_domain || user_domain_id
        request_body[:auth][:identity][:password][:user].merge! :domain => user_domain_id.nil? ? {:name => user_domain} : {:id => user_domain_id}
      elsif domain_name || domain_id
        request_body[:auth][:identity][:password][:user].merge! :domain => domain_id.nil? ? {:name => domain_name} : {:id => domain_id}
      end
      request_body[:auth][:identity][:password][:user][:name] = username
    end

  end
  request_body[:auth][:scope] = scope unless scope.empty?

  path     = (uri.path and not uri.path.empty?) ? uri.path : 'v3'

  response, expires = @@token_cache[{:body => request_body, :path => path}] if cache_ttl > 0

  unless response && expires > Time.now
    request = {
      :expects => [201],
      :headers => {'Content-Type' => 'application/json'},
      :body    => Fog::JSON.encode(request_body),
      :method  => 'POST',
      :path    => path
    }
    request[:omit_default_port] = omit_default_port unless omit_default_port.nil?

    response = connection.request(request)
    @@token_cache[{:body => request_body, :path => path}] = response, Time.now + cache_ttl if cache_ttl > 0
  end

  [response.headers["X-Subject-Token"], Fog::JSON.decode(response.body)]
end