Class: HpcloudController

Inherits:
Object
  • Object
show all
Defined in:
lib/process/cloud/providers/hpcloud/hpcloud.rb,
lib/process/cloud/providers/hpcloud/hpcloud_query.rb,
lib/process/cloud/providers/hpcloud/hpcloud_generic.rb,
lib/process/cloud/providers/hpcloud/hpcloud_refresh.rb

Overview

Defined Openstack object refresh.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.base_method(crud_type) ⇒ Object 



75
76
77
78
79
80
81
82
83
84
85
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 75

def self.base_method(crud_type)
  define_method(crud_type) do |sObjectType, p1|
    method_name = "#{crud_type}_#{sObjectType}"
    if self.class.method_defined? method_name
      send(method_name, p1)
    else
      controller_error "'%s' is not a valid object for '%s'",
                       sObjectType, crud_type
    end
  end
end

.def_cruds(*crud_types) ⇒ Object

Ready to convert the controller in more maintainable code Only refresh is currently used.



39
40
41
42
43
44
45
46
47
48
49
50
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 39

def self.def_cruds(*crud_types)
  crud_types.each do |crud_type|
    case crud_type
    when :create, :delete, :refresh
      base_method(crud_type)
    when :query, :get
      query_method(crud_type)
    when :update
      update_method(crud_type)
    end
  end
end

.def_query(requires, name, property_name = nil) ⇒ Object

Implementation of API NOT supporting query Hash The function will filter itself. It must support

  • Regexp

  • simple value equality



51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud_query.rb', line 51

def self.def_query(requires, name, property_name = nil)
  property_name = property_name.nil? ? name.to_s + 's' : property_name.to_s

  define_method("query_#{name}") do |hParams, query|
    requires = [requires] unless requires.is_a?(Array)
    requires.each { |r| required?(hParams, r) }

    connection = requires[0]

    yield hParams, query if block_given?

    func = hParams[connection].send(property_name).method(:all)
    objects = _compat_query(func, __method__, query)
    # Uses :[] or :<key> to match object and query attr.
    Lorj.debug(4, "'%s' gets %d records", __method__, objects.length)
    # Return the select objects.
    ctrl_query_each objects, query, :before => method(:refresh_bef),
                                    :after => method(:refresh_aft)
  end
end

.def_refresh(name) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud_refresh.rb', line 19

def self.def_refresh(name)
  define_method("refresh_#{name}") do |_object_type, object|
    if object.class.method_defined?(:reload)
      begin
        object.reload
      rescue => e
        PrcLib.error("'%s': %s", object.class, e)
        ret = false
      else
        ret = true
      end
    end
    # Uses :[] or :<key> to match object and query attr.
    Lorj.debug(4, "'%s' refreshed '%s'", __method__, object.class)
    ret
  end
end

.query_method(crud_type) ⇒ Object 



63
64
65
66
67
68
69
70
71
72
73
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 63

def self.query_method(crud_type)
  define_method(crud_type) do |sObjectType, sCondition, hParams|
    method_name = "#{crud_type}_#{sObjectType}"
    if self.class.method_defined? method_name
      send(method_name, hParams, sCondition)
    else
      controller_error "'%s' is not a valid object for '%s'",
                       sObjectType, crud_type
    end
  end
end

.update_method(crud_type) ⇒ Object 



51
52
53
54
55
56
57
58
59
60
61
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 51

def self.update_method(crud_type)
  define_method(crud_type) do |sObjectType, obj, hParams|
    method_name = "#{crud_type}_#{sObjectType}"
    if self.class.method_defined? method_name
      send(method_name, obj, hParams)
    else
      controller_error "'%s' is not a valid object for '%s'",
                       sObjectType, crud_type
    end
  end
end

Instance Method Details

#_compat_query(func, cur_method, query) ⇒ Object 



72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud_query.rb', line 72

def _compat_query(func, cur_method, query)
  # Ruby 1.9.2 introduce Method.parameters.
  if RUBY_VERSION < '1.9.2'
    Lorj.debug(4, "RUBY '%s': '%s' try Openstack API filter feature.",
               RUBY_VERSION, cur_method)
    begin
      objects = func.call ctrl_query_select(query, String)
    rescue
      Lorj.debug(4, "RUBY '%s': '%s' No filter parameter.",
                 RUBY_VERSION, cur_method)
      objects = func.call
    end
  else
    if func.parameters.length > 0
      Lorj.debug(4, "'%s' uses Openstack API filter feature.", cur_method)
      objects = func.call ctrl_query_select(query, String)
    else
      objects = func.call
    end
  end
  objects
end

#_get_instance_attr(oControlerObject, key) ⇒ Object 



270
271
272
273
274
275
276
277
278
279
280
281
282
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 270

def _get_instance_attr(oControlerObject, key)
  found, ret = _server_metadata_get(oControlerObject, key[0])
  found, ret = _get_from(oControlerObject, key[0]) unless found

  unless found
    Lorj.debug(4, "Unable to get '%s' from '%s'. Attribute inexistent.",
               key[0], oControlerObject.class)
    return nil
  end

  return ret if key.length == 1 || !ret.is_a?(Hash)
  ret.rh_get(key[1..-1])
end

#_server_metadata_get(oControlerObject, key) ⇒ Object 



259
260
261
262
263
264
265
266
267
268
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 259

def _server_metadata_get(oControlerObject, key)
  return [false, nil] unless key == :metadata
  ret = {}
  oControlerObject.metadata.each do |m|
    k = m.attributes[:key]
    v = m.attributes[:value]
    ret[k] = v
  end
  [true, ret]
end

#connect(sObjectType, hParams) ⇒ Object 



91
92
93
94
95
96
97
98
99
100
101
102
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 91

def connect(sObjectType, hParams)
  case sObjectType
  when :services
    Fog::HP.authenticate_v2(hParams[:hdata], hParams[:excon_opts])
  when :compute_connection
    Fog::Compute.new hParams[:hdata].merge(:provider => :hp, :version => 'v2')
  when :network_connection
    Fog::HP::Network.new(hParams[:hdata])
  else
    controller_error "'%s' is not a valid object for 'connect'", sObjectType
  end
end

#create(sObjectType, hParams) ⇒ Object

Create controller for Hpcloud



107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
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
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 107

def create(sObjectType, hParams)
  case sObjectType
  when :public_ip
    required?(hParams, :compute_connection)
    required?(hParams, :server)
    HPCompute.server_assign_address(hParams[:compute_connection],
                                    hParams[:server])
  when :server
    required?(hParams, :compute_connection)
    required?(hParams, :image)
    required?(hParams, :network)
    required?(hParams, :flavor)
    required?(hParams, :keypairs)
    required?(hParams, :security_groups)
    required?(hParams, :server_name)

    options = {
      :name => hParams[:server_name],
      :flavor_id => hParams[:flavor].id,
      :image_id => hParams[:image].id,
      :key_name => hParams[:keypairs].name,
      :security_groups => [hParams[:security_groups].name],
      :networks => [hParams[:network].id]
    }

    HPCompute.create_server(hParams[:compute_connection], options,
                            hParams[:user_data], hParams[:meta_data])
  when :image
    required?(hParams, :compute_connection)
    required?(hParams, 'server#image_name')

    HPCompute.get_image(hParams[:compute_connection],
                        hParams['server#image_name'])
  when :network
    required?(hParams, :network_connection)
    required?(hParams, :network_name)

    HPNetwork.create_network(hParams[:network_connection],
                             hParams[:network_name])
  when :subnetwork
    required?(hParams, :network_connection)
    required?(hParams, :network)
    required?(hParams, :subnetwork_name)

    HPNetwork.create_subnetwork(hParams[:network_connection],
                                hParams[:network],
                                hParams[:subnetwork_name])
  when :security_groups
    required?(hParams, :network_connection)
    required?(hParams, :security_group)

    HPSecurityGroups.create_sg(hParams[:network_connection],
                               hParams[:security_group], hParams[:sg_desc])
  when :keypairs
    required?(hParams, :compute_connection)
    required?(hParams, 'credentials#keypair_name')
    required?(hParams, :public_key)

    HPKeyPairs.create_keypair(hParams[:compute_connection],
                              hParams['credentials#keypair_name'],
                              hParams[:public_key])
  when :router
    required?(hParams, :network_connection)
    required?(hParams, :router_name)

    # Forcelly used admin_status_up to true.
    hParams[:hdata] = hParams[:hdata].merge(:admin_state_up => true)

    HPNetwork.create_router(hParams[:network_connection], hParams[:hdata])
  when :rule
    required?(hParams, :network_connection)
    required?(hParams, :security_groups)
    HPSecurityGroups.create_rule(hParams[:network_connection],
                                 hParams[:hdata])
  when :router_interface
    required?(hParams, :router)
    required?(hParams, :subnetwork)
    HPNetwork.add_interface(hParams[:router], hParams[:subnetwork])
  else
    controller_error "'%s' is not a valid object for 'create'", sObjectType
  end
end

#delete(sObjectType, hParams) ⇒ Object

rubocop: enable CyclomaticComplexity, MethodLength



192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 192

def delete(sObjectType, hParams)
  case sObjectType
  when :network
    HPNetwork.delete_network(hParams[:network_connection],
                             hParams[:network])
  when :rule
    HPSecurityGroups.delete_rule(hParams[:network_connection],
                                 hParams[:id])
    obj = hParams[:network_connection]
    obj.security_group_rules.get(hParams[:id]).destroy
  when :server
    required?(hParams, :compute_connection)
    required?(hParams, :server)
    HPCompute.delete_server(hParams[:compute_connection],
                            hParams[:server])
  end
end

#get(sObjectType, sUniqId, hParams) ⇒ Object

rubocop: disable CyclomaticComplexity,



210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 210

def get(sObjectType, sUniqId, hParams)
  case sObjectType
  when :server_log
    required?(hParams, :server)

    hParams[:server].console_output(sUniqId)
  when :server
    required?(hParams, :compute_connection)
    HPCompute.get_server(hParams[:compute_connection], sUniqId)
  when :image
    required?(hParams, :compute_connection)
    HPCompute.get_image(hParams[:compute_connection], sUniqId)
  when :network
    required?(hParams, :network_connection)
    HPNetwork.get_network(hParams[:network_connection], sUniqId)
  when :keypairs
    required?(hParams, :compute_connection)
    HPKeyPairs.get_keypair(hParams[:compute_connection], sUniqId)
  when :public_ip
    required?(hParams, :compute_connection)
    required?(hParams, :server)
    HPCompute.get_server_assigned_address(hParams[:compute_connection],
                                          sUniqId)
  else
    forjError "'%s' is not a valid object for 'get'", sObjectType
  end
end

#get_attr(oControlerObject, key) ⇒ Object 



249
250
251
252
253
254
255
256
257
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 249

def get_attr(oControlerObject, key)
  if oControlerObject.is_a?(Excon::Response)
    oControlerObject.data.rh_get(:body, key)
  else
    _get_instance_attr(oControlerObject, key)
  end
rescue => e
  controller_error "Unable to map '%s'. %s", key, e.message
end

#get_services(sObjectType, oParams) ⇒ Object

This function requires to return an Array of values or nil.



314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 314

def get_services(sObjectType, oParams)
  case sObjectType
  when :services
    # oParams[sObjectType] will provide the controller object.
    # This one can be interpreted only by controller code,
    # except if controller declares how to map with this object.
    # Processes can deal only process mapped data.
    # Currently there is no services process function. No need to map.
    services = oParams[:services]
    if !oParams[:list_services].is_a?(Array)
      service_to_find = [oParams[:list_services]]
    else
      service_to_find = oParams[:list_services]
    end
    # Search for service. Ex: Can be :Networking or network. I currently do
    # not know why...
    search_services = services.rh_get(:service_catalog)
    service = nil
    service_to_find.each do |sServiceElem|
      if search_services.key?(sServiceElem)
        service = sServiceElem
        break
      end
    end

    controller_error 'Unable to find services %s',
                     service_to_find if service.nil?
    result = services.rh_get(:service_catalog, service).keys
    result.delete('name')
    result.each_index do |iIndex|
      result[iIndex] = result[iIndex].to_s if result[iIndex].is_a?(Symbol)
    end
    return result
  else
    controller_error "'%s' is not a valid object for 'get_services'",
                     sObjectType
  end
end

#query_each(oFogObject) ⇒ Object

rubocop: enable CyclomaticComplexity



239
240
241
242
243
244
245
246
247
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 239

def query_each(oFogObject)
  case oFogObject.class.to_s
  when 'Fog::HP::Network::Networks'
    oFogObject.each { |value| yield(value) }
  else
    controller_error "'%s' is not a valid list for 'each'",
                     oFogObject.class
  end
end

#refresh_aft(*p) ⇒ Object 



34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud_query.rb', line 34

def refresh_aft(*p)
  o = p[0]
  selected = p[2]
  return selected unless o.is_a?(Fog::Compute::HPV2::Server)

  if selected && o.class.method_defined?(:created_at) && o.created_at.nil?
    o.reload
    Lorj.debug(3, '#refresh_bef: Object refreshed')
  end
  selected
end

#refresh_bef(*p) ⇒ Object

Ensure all data are loaded.



20
21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud_query.rb', line 20

def refresh_bef(*p)
  o = p[0]
  return true unless o.is_a?(Fog::Compute::HPV2::Server)

  query = p[1]
  return true if query.is_a?(Hash) &&
                 (query.keys - [:id, :name, 'id', 'name']).empty?
  if o.class.method_defined?(:created_at) && o.created_at.nil?
    Lorj.debug(3, '#refresh_bef: Object refreshed')
    o.reload
  end
  true
end

#set_attr(oControlerObject, key, value) ⇒ Object 



284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 284

def set_attr(oControlerObject, key, value)
  controller_class = oControlerObject.class

  controller_error "No set feature for '%s'",
                   controller_class if oControlerObject.is_a?(Excon::Response)

  attributes = oControlerObject.attributes
  def_attributes = oControlerObject.class.attributes
  controller_error "attribute '%s' is unknown in '%s'. Valid one are : '%s'",
                   key[0], oControlerObject.class,
                   def_attributes unless def_attributes.include?(key[0])
  attributes.rh_set(value, key)
rescue => e
  controller_error "Unable to map '%s' on '%s'\n%s",
                   key, sObjectType, e.message
end

#update(sObjectType, oObject, _hParams) ⇒ Object 



301
302
303
304
305
306
307
308
309
310
311
 
# File 'lib/process/cloud/providers/hpcloud/hpcloud.rb', line 301

def update(sObjectType, oObject, _hParams)
  case sObjectType
  when :router
    controller_error 'Object to update is nil' if oObject.nil?

    HPNetwork.update_router(oObject[:object])
  else
    controller_error "'%s' is not a valid list for 'update'",
                     oFogObject.class
  end
end