Class: Onering::API::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/onering/api.rb

Direct Known Subclasses

Auth, Devices

Constant Summary collapse

DEFAULT_BASE = 
"https://onering"
DEFAULT_PATH = 
"/api"
DEFAULT_OPTIONS_FILE = 
[
  "./cli.yml",
  "~/.onering/cli.yml",
  "/etc/onering/cli.yml"
]
DEFAULT_CLIENT_PEM = 
[
  "./client.pem",
  "~/.onering/client.pem",
  "/etc/onering/client.pem"
]

Class Method Summary collapse

Class Method Details

.connect(options = {}) ⇒ Object 



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# File 'lib/onering/api.rb', line 32

def connect(options={})
# list all existing config files from least specific to most
  @_configfiles = ([options[:config]] + DEFAULT_OPTIONS_FILE).compact.select{|i|
    (File.exists?(File.expand_path(i)) rescue false)
  }.reverse

# merge all config files with more-specific values overriding less-specific ones
  @_config = {}
  @_configfiles.each do |i|
    c = YAML.load(File.read(File.expand_path(i))) rescue {}
    @_config.deep_merge!(c)
  end

  if options[:host].is_a?(URI)
    @_uri = options[:host]
  elsif options[:host].is_a?(String)
    @_uri = Addressable::URI.parse("#{options[:host]}/#{DEFAULT_PATH}")
  else
    @_uri = Addressable::URI.parse("#{@_config['url'] || DEFAULT_BASE}/#{@_config['apiroot'] || DEFAULT_PATH}")
  end

  if @_uri
    @_pemfile = ([options[:pemfile], @_config['pemfile']]+DEFAULT_CLIENT_PEM).compact.select{|i|
      (File.exists?(File.expand_path(i)) rescue false)
    }.first

    if @_pemfile
      @_pem = File.read(File.expand_path(@_pemfile))
      @_http = Net::HTTP.new(@_uri.host, (@_uri.port || 443))
      @_http.use_ssl = true
      @_http.cert = OpenSSL::X509::Certificate.new(@_pem)
      @_http.key = OpenSSL::PKey::RSA.new(@_pem)
      @_http.verify_mode = OpenSSL::SSL::VERIFY_NONE
    end
  end
end

.echo(obj) ⇒ Object 



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# File 'lib/onering/api.rb', line 125

def echo(obj)
  if obj.is_a?(Array)
    obj.each do |i|
      puts i
    end
  end
end

.make_filter(filter) ⇒ Object 



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# File 'lib/onering/api.rb', line 119

def make_filter(filter)
  filter = filter.collect{|k,v| "#{k}/#{v}" } if filter.is_a?(Hash)
  filter = filter.collect{|i| i.sub(':','/') }.join("/") if filter.is_a?(Array)
  filter
end

.request(endpoint, options = {}) ⇒ Object

Raises:



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# File 'lib/onering/api.rb', line 69

def request(endpoint, options={})
  options = @_config.merge(options)
  options[:method] = options[:method].to_s.downcase.to_sym
  request = nil

  uri = Addressable::URI.parse("#{@_uri.to_s}/#{endpoint}")
  uri.query_values = options[:fields] if options[:fields]

  raise Errors::NotConnected unless @_http

  #STDERR.puts "DEBUG: Request #{options[:method].to_s.upcase} #{uri.normalize.to_s}"

  case options[:method]
  when :post
    request = Net::HTTP::Post.new(uri.request_uri)
    request.body = options[:data].to_json if options[:data]

  when :delete
    request = Net::HTTP::Delete.new(uri.request_uri)

  else
    request = Net::HTTP::Get.new(uri.request_uri)

  end

  response = @_http.request(request)

  if response.code.to_i >= 400
    rv = JSON.load(response.body) unless response.body.empty?

    if rv['errors']
      msg = "#{rv['errors']['type']}: #{rv['errors']['message']}"
    end

    if response.code.to_i >= 500
      raise Errors::ServerError.new("HTTP #{response.code}: #{msg}")
    else
      raise Errors::ClientError.new("HTTP #{response.code}: #{msg}")
    end
  else
    if response['Content-Type'] == 'application/json'
      rv = (response.body.empty? ? nil : JSON.load(response.body))
    else
      rv = response.body
    end
  end

  rv
end