Class: Fog::Metering::OpenStack::Real

Inherits:
Object
  • Object
show all
Defined in:
lib/fog/openstack/metering.rb,
lib/fog/openstack/requests/metering/get_samples.rb,
lib/fog/openstack/requests/metering/list_meters.rb,
lib/fog/openstack/requests/metering/get_resource.rb,
lib/fog/openstack/requests/metering/get_statistics.rb,
lib/fog/openstack/requests/metering/list_resources.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Real

Returns a new instance of Real.



87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
 
# File 'lib/fog/openstack/metering.rb', line 87

def initialize(options={})
  @openstack_auth_token = options[:openstack_auth_token]

  unless @openstack_auth_token
    missing_credentials = Array.new
    @openstack_api_key  = options[:openstack_api_key]
    @openstack_username = options[:openstack_username]

    missing_credentials << :openstack_api_key  unless @openstack_api_key
    missing_credentials << :openstack_username unless @openstack_username
    raise ArgumentError, "Missing required arguments: #{missing_credentials.join(', ')}" unless missing_credentials.empty?
  end

  @openstack_tenant               = options[:openstack_tenant]
  @openstack_auth_uri             = URI.parse(options[:openstack_auth_url])
  @openstack_management_url       = options[:openstack_management_url]
  @openstack_must_reauthenticate  = false
  @openstack_service_type         = options[:openstack_service_type] || ['metering']
  @openstack_service_name         = options[:openstack_service_name]

  @openstack_endpoint_type        = options[:openstack_endpoint_type] || 'adminURL'
  @connection_options = options[:connection_options] || {}

  @current_user = options[:current_user]
  @current_tenant = options[:current_tenant]

  authenticate

  @persistent = options[:persistent] || false
  @connection = Fog::Core::Connection.new("#{@scheme}://#{@host}:#{@port}", @persistent, @connection_options)
end

Instance Attribute Details

#current_tenant ⇒ Object (readonly)

Returns the value of attribute current_tenant.



85
86
87
 
# File 'lib/fog/openstack/metering.rb', line 85

def current_tenant
  @current_tenant
end

#current_user ⇒ Object (readonly)

Returns the value of attribute current_user.



84
85
86
 
# File 'lib/fog/openstack/metering.rb', line 84

def current_user
  @current_user
end

Instance Method Details

#credentials ⇒ Object 



119
120
121
122
123
124
125
126
 
# File 'lib/fog/openstack/metering.rb', line 119

def credentials
  { :provider                 => 'openstack',
    :openstack_auth_url       => @openstack_auth_uri.to_s,
    :openstack_auth_token     => @auth_token,
    :openstack_management_url => @openstack_management_url,
    :current_user             => @current_user,
    :current_tenant           => @current_tenant }
end

#get_resource(resource_id) ⇒ Object 



5
6
7
8
9
10
11
 
# File 'lib/fog/openstack/requests/metering/get_resource.rb', line 5

def get_resource(resource_id)
  request(
    :expects  => 200,
    :method   => 'GET',
    :path     => "resources/#{resource_id}"
  )
end

#get_samples(meter_id, options = []) ⇒ Object 



5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/fog/openstack/requests/metering/get_samples.rb', line 5

def get_samples(meter_id, options=[])
  data = {
    'q' => Array.new
  }

  options.each do |opt|
    filter = {}

    ['field', 'op', 'value'].each do |key|
      filter[key] = opt[key] if opt[key]
    end

    data['q'] << filter unless filter.empty?
  end

  request(
    :body     => Fog::JSON.encode(data),
    :expects  => 200,
    :method   => 'GET',
    :path     => "meters/#{meter_id}"
  )
end

#get_statistics(meter_id, options = {}) ⇒ Object 



5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/fog/openstack/requests/metering/get_statistics.rb', line 5

def get_statistics(meter_id, options={})
  data = {
    'period' => options['period'],
    'q'      => Array.new
  }

  options['q'].each do |opt|
    filter = {}

    ['field', 'op', 'value'].each do |key|
      filter[key] = opt[key] if opt[key]
    end

    data['q'] << filter unless filter.empty?
  end if options['q'].is_a? Array

  request(
    :body     => Fog::JSON.encode(data),
    :expects  => 200,
    :method   => 'GET',
    :path     => "meters/#{meter_id}/statistics"
  )
end

#list_meters(options = []) ⇒ Object 



5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/fog/openstack/requests/metering/list_meters.rb', line 5

def list_meters(options=[])
  data = {
    'q' => Array.new
  }

  options.each do |opt|
    filter = {}

    ['field', 'op', 'value'].each do |key|
      filter[key] = opt[key] if opt[key]
    end

    data['q'] << filter unless filter.empty?
  end

  request(
    :body     => Fog::JSON.encode(data),
    :expects  => 200,
    :method   => 'GET',
    :path     => 'meters'
  )
end

#list_resources(options = {}) ⇒ Object 



5
6
7
8
9
10
11
 
# File 'lib/fog/openstack/requests/metering/list_resources.rb', line 5

def list_resources(options = {})
  request(
    :expects  => 200,
    :method   => 'GET',
    :path     => 'resources'
  )
end

#reload ⇒ Object 



128
129
130
 
# File 'lib/fog/openstack/metering.rb', line 128

def reload
  @connection.reset
end

#request(params) ⇒ Object 



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
 
# File 'lib/fog/openstack/metering.rb', line 132

def request(params)
  begin
    response = @connection.request(params.merge({
      :headers  => {
        'Content-Type' => 'application/json',
        'Accept' => 'application/json',
        'X-Auth-Token' => @auth_token
      }.merge!(params[:headers] || {}),
      :path     => "#{@path}/v2/#{params[:path]}"#,
      # Causes errors for some requests like tenants?limit=1
      # :query    => ('ignore_awful_caching' << Time.now.to_i.to_s)
    }))
  rescue Excon::Errors::Unauthorized => error
    if error.response.body != 'Bad username or password' # token expiration
      @openstack_must_reauthenticate = true
      authenticate
      retry
    else # bad credentials
      raise error
    end
  rescue Excon::Errors::HTTPStatusError => error
    raise case error
    when Excon::Errors::NotFound
      Fog::Compute::OpenStack::NotFound.slurp(error)
    else
      error
    end
  end
  unless response.body.empty?
    response.body = Fog::JSON.decode(response.body)
  end
  response
end