Class: VMC::CLI

Inherits:
Mothership show all
Includes:
Interactive, Spacing
Defined in:
lib/vmc/cli.rb

Direct Known Subclasses

V2CheckCLI, VMCTunnel::Tunnel

Constant Summary

Constants inherited from Mothership

Mothership::VERSION

Instance Attribute Summary

Attributes inherited from Mothership

#input

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Spacing

#indented, #justify, #line, #lines, #spaced, #start_line, #tabular, #text_width, #trim_escapes

Methods included from Interactive

#ask, #handler, #input_state, #list_choices, #prompt, #show_default

Methods inherited from Mothership

add_input, after, alias_command, around, before, change_argument, commands, desc, #exit_status, filter, #filter, global_option, group, #help, #initialize, input, #interact, interactions, #invoke, method_added, option, #run, start, #unknown_command, #with_filters

Constructor Details

This class inherits a constructor from Mothership

Class Method Details

.client ⇒ Object 



444
445
446
 
# File 'lib/vmc/cli.rb', line 444

def client
  @@client
end

.client=(c) ⇒ Object 



448
449
450
 
# File 'lib/vmc/cli.rb', line 448

def client=(c)
  @@client = c
end

Instance Method Details

#check_logged_in ⇒ Object 



75
76
77
78
79
80
81
82
83
84
85
86
 
# File 'lib/vmc/cli.rb', line 75

def check_logged_in
  unless client.logged_in?
    if force?
      fail "Please log in with 'cl login'."
    else
      line c("Please log in first to proceed.", :warning)
      line
      invoke :login
      invalidate_client
    end
  end
end

#check_target ⇒ Object 



69
70
71
72
73
 
# File 'lib/vmc/cli.rb', line 69

def check_target
  unless client && client.target
    fail "Please select a target with 'cl target'."
  end
end

#client(target = client_target) ⇒ Object 



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
 
# File 'lib/vmc/cli.rb', line 397

def client(target = client_target)
  return @@client if defined?(@@client) && @@client
  return unless target

  info = target_info(target)
  token = info[:token] && CFoundry::AuthToken.from_hash(info)

  @@client =
    case info[:version]
    when 2
      fail "User switching not implemented for v2." if input[:proxy]
      CFoundry::V2::Client.new(target, token)
    when 1
      CFoundry::V1::Client.new(target, token)
    else
      CFoundry::Client.new(target, token)
    end

  @@client.proxy = input[:proxy]
  #@@client.http_proxy = input[:http_proxy] || ENV['HTTP_PROXY'] || ENV['http_proxy'] || nil
  @@client.trace = input[:trace]

  uri = URI.parse(target)
  @@client.log = File.expand_path("#{LOGS_DIR}/#{uri.host}.log")

  unless info.key? :version
    info[:version] = @@client.version
    save_target_info(info, target)
  end

  if org = info[:organization]
    @@client.current_organization = @@client.organization(org)
  end

  if space = info[:space]
    @@client.current_space = @@client.space(space)
  end

  @@client
rescue CFoundry::InvalidTarget
end

#client_target ⇒ Object 



315
316
317
318
319
 
# File 'lib/vmc/cli.rb', line 315

def client_target
  if File.exists?(target_file)
    File.read(target_file).chomp
  end
end

#color_enabled? ⇒ Boolean

Returns:

  • (Boolean) 


231
232
233
 
# File 'lib/vmc/cli.rb', line 231

def color_enabled?
  input[:color]
end

#debug? ⇒ Boolean

Returns:

  • (Boolean) 


227
228
229
 
# File 'lib/vmc/cli.rb', line 227

def debug?
  !!input[:debug]
end

#default_action ⇒ Object 



61
62
63
64
65
66
67
 
# File 'lib/vmc/cli.rb', line 61

def default_action
  if input[:version]
    line "cloulu #{VERSION}"
  else
    super
  end
end

#ensure_config_dir ⇒ Object 



321
322
323
324
 
# File 'lib/vmc/cli.rb', line 321

def ensure_config_dir
  config = File.expand_path(VMC::CONFIG_DIR)
  FileUtils.mkdir_p(config) unless File.exist? config
end

#err(msg, status = 1) ⇒ Object 



262
263
264
265
 
# File 'lib/vmc/cli.rb', line 262

def err(msg, status = 1)
  $stderr.puts c(msg, :error)
  exit_status status
end

#execute(cmd, argv, global = {}) ⇒ Object 



147
148
149
150
151
152
153
154
155
156
157
158
159
160
 
# File 'lib/vmc/cli.rb', line 147

def execute(cmd, argv, global = {})
  if input[:help]
    invoke :help, :command => cmd.name.to_s
  else
    wrap_errors do
      @command = cmd
      precondition

      save_token_if_it_changes do
        super
      end
    end
  end
end

#fail(msg) ⇒ Object

Raises:



267
268
269
 
# File 'lib/vmc/cli.rb', line 267

def fail(msg)
  raise UserError, msg
end

#fail_unknown(display, name) ⇒ Object 



439
440
441
 
# File 'lib/vmc/cli.rb', line 439

def fail_unknown(display, name)
  fail("Unknown #{display} '#{name}'.")
end

#force? ⇒ Boolean

Returns:

  • (Boolean) 


223
224
225
 
# File 'lib/vmc/cli.rb', line 223

def force?
  input[:force]
end

#invalidate_client ⇒ Object 



392
393
394
395
 
# File 'lib/vmc/cli.rb', line 392

def invalidate_client
  @@client = nil
  client
end

#log_error(e) ⇒ Object 



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
211
212
213
214
215
216
217
 
# File 'lib/vmc/cli.rb', line 180

def log_error(e)
  ensure_config_dir

  msg = e.class.name
  msg << ": #{e}" unless e.to_s.empty?

  crash_file = File.expand_path(VMC::CRASH_FILE)

  FileUtils.mkdir_p(File.dirname(crash_file))

  File.open(crash_file, "w") do |f|
    f.puts "Time of crash:"
    f.puts "  #{Time.now}"
    f.puts ""
    f.puts msg
    f.puts ""

    if e.respond_to?(:request_trace)
      f.puts "<<<"
      f.puts e.request_trace
    end

    if e.respond_to?(:response_trace)
      f.puts e.response_trace
      f.puts ">>>"
      f.puts ""
    end

    vmc_dir = File.expand_path("../../../..", __FILE__) + "/"
    e.backtrace.each do |loc|
      if loc =~ /\/gems\//
        f.puts loc.sub(/.*\/gems\//, "")
      else
        f.puts loc.sub(vmc_dir, "")
      end
    end
  end
end

#name_list(xs) ⇒ Object 



277
278
279
280
281
282
283
 
# File 'lib/vmc/cli.rb', line 277

def name_list(xs)
  if xs.empty?
    d("none")
  else
    xs.collect { |x| c(x.name, :name) }.join(", ")
  end
end

#no_v2 ⇒ Object 



384
385
386
 
# File 'lib/vmc/cli.rb', line 384

def no_v2
  fail "Not implemented for v2." if v2?
end

#normalize_targets_info(info_by_url) ⇒ Object 



352
353
354
355
356
357
358
 
# File 'lib/vmc/cli.rb', line 352

def normalize_targets_info(info_by_url)
  info_by_url.reduce({}) do |hash, pair|
    key, value = pair
    hash[key] = value.is_a?(String) ? { :token => value } : value
    hash
  end
end

#one_of(*paths) ⇒ Object 



306
307
308
309
310
311
312
313
 
# File 'lib/vmc/cli.rb', line 306

def one_of(*paths)
  paths.each do |p|
    exp = File.expand_path(p)
    return exp if File.exist? exp
  end

  File.expand_path(paths.first)
end

#precondition ⇒ Object 



88
89
90
91
92
93
94
95
96
97
98
99
100
101
 
# File 'lib/vmc/cli.rb', line 88

def precondition
  check_target
  check_logged_in

  return unless v2?

  unless client.current_organization
    fail "Please select an organization with 'cl target --ask-org'."
  end

  unless client.current_space
    fail "Please select a space with 'cl target --ask-space'."
  end
end

#quiet? ⇒ Boolean

Returns:

  • (Boolean) 


219
220
221
 
# File 'lib/vmc/cli.rb', line 219

def quiet?
  input[:quiet]
end

#remove_target_info(target = client_target) ⇒ Object 



378
379
380
381
382
 
# File 'lib/vmc/cli.rb', line 378

def remove_target_info(target = client_target)
  ts = targets_info
  ts.delete target
  save_targets(ts)
end

#sane_target_url(url) ⇒ Object 



285
286
287
288
289
290
291
292
293
294
295
296
 
# File 'lib/vmc/cli.rb', line 285

def sane_target_url(url)
  unless url =~ /^https?:\/\//
    begin
      TCPSocket.new(url, Net::HTTP.https_default_port)
      url = "https://#{url}"
    rescue Errno::ECONNREFUSED, SocketError, Timeout::Error
      url = "http://#{url}"
    end
  end

  url.gsub(/\/$/, "")
end

#save_target_info(info, target = client_target) ⇒ Object 



372
373
374
375
376
 
# File 'lib/vmc/cli.rb', line 372

def save_target_info(info, target = client_target)
  ts = targets_info
  ts[target] = info
  save_targets(ts)
end

#save_targets(ts) ⇒ Object 



364
365
366
367
368
369
370
 
# File 'lib/vmc/cli.rb', line 364

def save_targets(ts)
  ensure_config_dir

  File.open(File.expand_path(VMC::TOKENS_FILE), "w") do |io|
    YAML.dump(ts, io)
  end
end

#save_token_if_it_changes ⇒ Object 



162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
 
# File 'lib/vmc/cli.rb', line 162

def save_token_if_it_changes
  return yield unless client && client.token

  before_token = client.token

  yield

  after_token = client.token

  return unless after_token

  if before_token != after_token
    info = target_info
    info[:token] = after_token.auth_header
    save_target_info(info)
  end
end

#set_target(url) ⇒ Object 



326
327
328
329
330
331
332
333
334
 
# File 'lib/vmc/cli.rb', line 326

def set_target(url)
  ensure_config_dir

  File.open(File.expand_path(VMC::TARGET_FILE), "w") do |f|
    f.write(sane_target_url(url))
  end

  invalidate_client
end

#table(headers, rows) ⇒ Object 



271
272
273
274
275
 
# File 'lib/vmc/cli.rb', line 271

def table(headers, rows)
  tabular(
    !quiet? && headers.collect { |h| h && b(h) },
    *rows)
end

#target_file ⇒ Object 



298
299
300
 
# File 'lib/vmc/cli.rb', line 298

def target_file
  one_of(VMC::TARGET_FILE, VMC::OLD_TARGET_FILE)
end

#target_info(target = client_target) ⇒ Object 



360
361
362
 
# File 'lib/vmc/cli.rb', line 360

def target_info(target = client_target)
  targets_info[target] || {}
end

#targets_info ⇒ Object 



336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
 
# File 'lib/vmc/cli.rb', line 336

def targets_info
  new_toks = File.expand_path(VMC::TOKENS_FILE)
  old_toks = File.expand_path(VMC::OLD_TOKENS_FILE)

  info =
    if File.exist? new_toks
      YAML.load_file(new_toks)
    elsif File.exist? old_toks
      MultiJson.load(File.read(old_toks))
    end

  info ||= {}

  normalize_targets_info(info)
end

#tokens_file ⇒ Object 



302
303
304
 
# File 'lib/vmc/cli.rb', line 302

def tokens_file
  one_of(VMC::TOKENS_FILE, VMC::OLD_TOKENS_FILE)
end

#user_colors ⇒ Object 



239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
 
# File 'lib/vmc/cli.rb', line 239

def user_colors
  return @user_colors if @user_colors

  colors = File.expand_path(COLORS_FILE)

  @user_colors = super.dup

  # most terminal schemes are stupid, so use cyan instead
  @user_colors.each do |k, v|
    if v == :blue
      @user_colors[k] = :cyan
    end
  end

  if File.exists?(colors)
    YAML.load_file(colors).each do |k, v|
      @user_colors[k.to_sym] = v.to_sym
    end
  end

  @user_colors
end

#v2? ⇒ Boolean

Returns:

  • (Boolean) 


388
389
390
 
# File 'lib/vmc/cli.rb', line 388

def v2?
  client.version == 2
end

#verbose? ⇒ Boolean

Returns:

  • (Boolean) 


235
236
237
 
# File 'lib/vmc/cli.rb', line 235

def verbose?
  input[:verbose]
end

#wrap_errors ⇒ Object 



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
134
135
136
137
138
139
140
141
142
143
144
145
 
# File 'lib/vmc/cli.rb', line 103

def wrap_errors
  yield
rescue CFoundry::Timeout => e
  err(e.message)
rescue Interrupt
  exit_status 130
rescue Mothership::Error
  raise
rescue UserError => e
  log_error(e)
  err e.message
rescue SystemExit
  raise
rescue UserFriendlyError => e
  err e.message
rescue CFoundry::Forbidden, CFoundry::InvalidAuthToken => e
  if !$vmc_asked_auth
    $vmc_asked_auth = true

    line
    line c("Not authenticated! Try logging in:", :warning)

    # TODO: there's no color here; global flags not being passed
    # through (mothership bug?)
    invoke :login

    retry
  end

  log_error(e)

  err "Denied: #{e.description}"

rescue Exception => e
  log_error(e)

  msg = e.class.name
  msg << ": #{e}" unless e.to_s.empty?
  msg << "\nFor more information, see #{VMC::CRASH_FILE}"
  err msg

  raise if debug?
end