Class: Dagger::Client

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(http, host = nil) ⇒ Client

Returns a new instance of Client.



86
87
88
 
# File 'lib/dagger.rb', line 86

def initialize(http, host = nil)
  @http, @host = http, host
end

Class Method Details

.init(uri, opts) ⇒ Object 



64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
# File 'lib/dagger.rb', line 64

def self.init(uri, opts)
  uri  = Utils.parse_uri(uri)
  http = if opts.delete(:persistent)
    pool_size = opts[:pool_size] || Net::HTTP::Persistent::DEFAULT_POOL_SIZE
    Net::HTTP::Persistent.new(name: DAGGER_NAME, pool_size: pool_size)
  else
    Net::HTTP.new(opts[:ip] || uri.host, uri.port)
  end

  if uri.port == 443
    http.use_ssl = true if http.respond_to?(:use_ssl=) # persistent does it automatically
    http.verify_mode = opts[:verify_ssl] === false ? OpenSSL::SSL::VERIFY_NONE : OpenSSL::SSL::VERIFY_PEER
  end

  [:open_timeout, :read_timeout, :ssl_version, :ciphers].each do |key|
    http.send("#{key}=", opts[key]) if opts.has_key?(key)
  end

  # new(http, [uri.scheme, uri.host].join('://'))
  new(http, uri.scheme_and_host)
end

Instance Method Details

#close ⇒ Object 



220
221
222
223
224
225
226
 
# File 'lib/dagger.rb', line 220

def close
  if @http.is_a?(Net::HTTP::Persistent)
    @http.shutdown # calls finish on pool connections
  else
    @http.finish if @http.started?
  end
end

#delete(uri, data, options = {}) ⇒ Object 



147
148
149
 
# File 'lib/dagger.rb', line 147

def delete(uri, data, options = {})
  request(:delete, uri, data, options)
end

#get(uri, opts = {}) ⇒ Object 



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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
 
# File 'lib/dagger.rb', line 90

def get(uri, opts = {})
  uri = Utils.resolve_uri(uri, @host, opts[:query])
  if @host != uri.scheme_and_host
    raise ArgumentError.new("#{uri.scheme_and_host} doesn't match #{@host}")
  end

  opts[:follow] = 10 if opts[:follow] == true
  headers = opts[:headers] || {}
  headers['Accept'] = 'application/json' if opts[:json] && headers['Accept'].nil?

  if opts[:ip]
    headers['Host'] = uri.host
    uri = opts[:ip]
  end

  request = Net::HTTP::Get.new(uri, DEFAULT_HEADERS.merge(headers))
  request.basic_auth(opts.delete(:username), opts.delete(:password)) if opts[:username]

  if @http.respond_to?(:started?) # regular Net::HTTP
    @http.start unless @http.started?
    resp, data = @http.request(request)
  else # persistent
    resp, data = @http.request(uri, request)
  end

  if REDIRECT_CODES.include?(resp.code.to_i) && resp['Location'] && (opts[:follow] && opts[:follow] > 0)
    opts[:follow] -= 1
    debug "Following redirect to #{resp['Location']}"
    return get(resp['Location'], opts)
  end

  @response = build_response(resp, data || resp.body)

rescue Errno::ECONNREFUSED, Errno::ECONNRESET, Errno::ETIMEDOUT, Errno::EINVAL, Timeout::Error, \
  SocketError, EOFError, Net::ReadTimeout, Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError, Net::ProtocolError, OpenSSL::SSL::SSLError => e

  if retries = opts[:retries] and retries.to_i > 0
    debug "Got #{e.class}! Retrying in a sec (#{retries} retries left)"
    sleep (opts[:retry_wait] || DEFAULT_RETRY_WAIT)
    get(uri, opts.merge(retries: retries - 1))
  else
    raise
  end
end

#open(&block) ⇒ Object 



210
211
212
213
214
215
216
217
218
 
# File 'lib/dagger.rb', line 210

def open(&block)
  if @http.is_a?(Net::HTTP::Persistent)
    instance_eval(&block)
  else
    @http.start do
      instance_eval(&block)
    end
  end
end

#patch(uri, data, options = {}) ⇒ Object 



143
144
145
 
# File 'lib/dagger.rb', line 143

def patch(uri, data, options = {})
  request(:patch, uri, data, options)
end

#post(uri, data, options = {}) ⇒ Object 



135
136
137
 
# File 'lib/dagger.rb', line 135

def post(uri, data, options = {})
  request(:post, uri, data, options)
end

#put(uri, data, options = {}) ⇒ Object 



139
140
141
 
# File 'lib/dagger.rb', line 139

def put(uri, data, options = {})
  request(:put, uri, data, options)
end

#request(method, uri, data, opts = {}) ⇒ Object 



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
 
# File 'lib/dagger.rb', line 151

def request(method, uri, data, opts = {})
  if method.to_s.downcase == 'get'
    query = (opts[:query] || {}).merge(data || {})
    return get(uri, opts.merge(query: query))
  end

  uri = Utils.resolve_uri(uri, @host)
  if @host != uri.scheme_and_host
    raise ArgumentError.new("#{uri.scheme_and_host} doesn't match #{@host}")
  end

  headers = DEFAULT_HEADERS.merge(opts[:headers] || {})
  query = if data.is_a?(String)
    data
  elsif opts[:json]
    headers['Content-Type'] = 'application/json'
    headers['Accept'] = 'application/json' if headers['Accept'].nil?
    Oj.dump(data, mode: :compat) # compat ensures symbols are converted to strings
  else # querystring, then
    Utils.encode(data)
  end

  if opts[:username] # opts[:password] is optional
    str = [opts[:username], opts[:password]].compact.join(':')
    headers['Authorization'] = 'Basic ' + Base64.encode64(str)
  end

  if @http.respond_to?(:started?) # regular Net::HTTP
    args = [method.to_s.downcase, uri.path, query, headers]
    args.delete_at(2) if args[0] == 'delete' # Net::HTTP's delete does not accept data

    @http.start unless @http.started?
    resp, data = @http.send(*args)
  else # Net::HTTP::Persistent
    req = Kernel.const_get("Net::HTTP::#{method.capitalize}").new(uri.path, headers)
    # req.set_form_data(query)
    req.body = query
    resp, data = @http.request(uri, req)
  end

  @response = build_response(resp, data || resp.body)

rescue Errno::ECONNREFUSED, Errno::ECONNRESET, Errno::ETIMEDOUT, Errno::EINVAL, Timeout::Error, \
  Net::OpenTimeout, Net::ReadTimeout, Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError, Net::ProtocolError, \
  SocketError, EOFError, OpenSSL::SSL::SSLError => e

  if method.to_s.downcase != 'get' && retries = opts[:retries] and retries.to_i > 0
    debug "[#{DAGGER_NAME}] Got #{e.class}! Retrying in a sec (#{retries} retries left)"
    sleep (opts[:retry_wait] || DEFAULT_RETRY_WAIT)
    request(method, uri, data, opts.merge(retries: retries - 1))
  else
    raise
  end
end

#response ⇒ Object 



206
207
208
 
# File 'lib/dagger.rb', line 206

def response
  @response or raise 'Request not sent!'
end