Class: FPM::Fry::Command::Cook

Inherits:
FPM::Fry::Command show all
Defined in:
lib/fpm/fry/command/cook.rb

Defined Under Namespace

Classes: BuildFailed

Constant Summary collapse

UPDATE_VALUES = 
['auto','never','always']

Instance Attribute Summary collapse

Attributes inherited from FPM::Fry::Command

#client, #ui

Instance Method Summary collapse

Methods inherited from FPM::Fry::Command

#parse

Constructor Details

#initialize(invocation_path, ctx = {}, parent_attribute_values = {}) ⇒ Cook

Returns a new instance of Cook.



27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/fpm/fry/command/cook.rb', line 27

def initialize(invocation_path, ctx = {}, parent_attribute_values = {})
  @tls = nil
  require 'digest'
  require 'fileutils'
  require 'fpm/fry/with_data'
  require 'fpm/fry/recipe'
  require 'fpm/fry/recipe/builder'
  require 'fpm/fry/detector'
  require 'fpm/fry/docker_file'
  require 'fpm/fry/stream_parser'
  require 'fpm/fry/block_enumerator'
  require 'fpm/fry/build_output_parser'
  require 'fpm/fry/inspector'
  require 'fpm/fry/plugin/config'
  super
end

Instance Attribute Details

#build_image ⇒ Object 



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
 
# File 'lib/fpm/fry/command/cook.rb', line 117

def build_image
  @build_image ||= begin
    sum = Digest::SHA256.hexdigest( image_id + "\0" + cache.cachekey )
    cachetag = "fpm-fry:#{sum[0..30]}"
    res = begin
            url = client.url("images/#{cachetag}/json")
            client.get(
              expects: [200,404],
              path: url
            )
          rescue Excon::Error
            logger.error "could not fetch image json for #{image}, url: #{url}"
            raise
          end
    if res.status == 404
      df = DockerFile::Source.new(builder.variables.merge(image: image_id),cache)
      begin
        url = client.url("build")
        query = { rm: 1, dockerfile: DockerFile::NAME, t: cachetag }
        query[:platform] = platform if platform
        client.post(
          headers: {
            'Content-Type'=>'application/tar'
          },
          query: query,
          expects: [200],
          path: url,
          request_block: BlockEnumerator.new(df.tar_io)
        )
      rescue Excon::Error
        logger.error "could not build #{image}, url: #{url}"
        raise
      end
    else
      # Hack to trigger hints/warnings even when the cache is valid.
      DockerFile::Source.new(builder.variables.merge(image: image_id),cache).send(:file_map)
    end

    df = DockerFile::Build.new(cachetag, builder.variables.dup,builder.recipe, update: update?)
    parser = BuildOutputParser.new(out)
    begin
      url = client.url("build")
      query = { rm: 1, dockerfile: DockerFile::NAME}
      query[:platform] = platform if platform
      res = client.post(
        headers: {
          'Content-Type'=>'application/tar'
        },
        query: query,
        expects: [200],
        path: url,
        request_block: BlockEnumerator.new(df.tar_io),
        response_block: parser
      )
    rescue Excon::Error
      logger.error "could not build #{image}, url: #{url}"
      raise
    end
    if parser.images.none?
      raise "Didn't find a build image in the stream. This usually means that the build script failed."
    end
    image = parser.images.last
    logger.debug("Detected build image", image: image)
    image
  end
end

#builder ⇒ Object 



61
62
63
64
65
66
67
68
69
70
71
72
73
 
# File 'lib/fpm/fry/command/cook.rb', line 61

def builder
  @builder ||= begin
    b = nil
    Inspector.for_image(client, image) do |inspector|
      variables = Detector.detect(inspector)
      variables[:architecture] = platform
      logger.debug("Loading recipe",variables: variables, recipe: recipe)
      b = Recipe::Builder.new(variables, logger: ui.logger, inspector: inspector)
      b.load_file( recipe )
    end
    b
  end
end

#cache ⇒ Object 



80
81
82
 
# File 'lib/fpm/fry/command/cook.rb', line 80

def cache
  @cache ||= builder.recipe.source.build_cache(tmpdir)
end

#image_id ⇒ Object 



103
104
105
106
107
108
109
110
111
112
113
114
 
# File 'lib/fpm/fry/command/cook.rb', line 103

def image_id
  @image_id ||=
    begin
      url = client.url("images/#{image}/json")
      res = client.get(expects: [200], path: url)
      body = JSON.parse(res.body)
      body.fetch('id'){ body.fetch('Id') }
    rescue Excon::Error
      logger.error "could not fetch image json for #{image}, url: #{url}"
      raise
    end
end

#output_class ⇒ Object 



44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
 
# File 'lib/fpm/fry/command/cook.rb', line 44

def output_class
  @output_class ||= begin
    logger.debug("Autodetecting package type",flavour: flavour)
    case(flavour)
    when 'debian'
      require 'fpm/package/deb'
      FPM::Package::Deb
    when 'redhat'
      require 'fpm/package/rpm'
      FPM::Package::RPM
    else
      raise "Cannot auto-detect package type."
    end
  end
end

Instance Method Details

#adjust_config_files(output) ⇒ Object 



388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
 
# File 'lib/fpm/fry/command/cook.rb', line 388

def adjust_config_files( output )
  # FPM flags all files in /etc as config files but only for debian :/.
  # Actually this behavior makes sense to me for all packages because it's
  # the thing I usually want. By setting this attribute at least the
  # misleading warning goes away.
  output.attributes[:deb_no_default_config_files?] = true
  output.attributes[:deb_auto_config_files?] = false

  return if output.attributes[:fry_config_explicitly_used]

  # Now that we have disabled this for debian we have to reenable if it for
  # all.
  etc = File.expand_path('etc', output.staging_path)
  if File.exist?( etc )
    # Config plugin wasn't used. Add everything under /etc
    prefix_length = output.staging_path.size + 1
    added = []
    Find.find(etc) do | path |
      next unless File.file? path
      name = path[prefix_length..-1]
      if !output.config_files.include? name
        added << name
        output.config_files << name
      end
    end
    if added.any?
      logger.hint( "#{output.name} contains some config files in /etc. They were automatically added. You can customize this using the \"config\" plugin.",
                  documentation: "https://github.com/xing/fpm-fry/wiki/Plugin-config",
                  files: added)
    end
  end
end

#adjust_package_architecture(output) ⇒ Object 



376
377
378
379
 
# File 'lib/fpm/fry/command/cook.rb', line 376

def adjust_package_architecture(output)
  # strip prefix and only use the architecture part
  output.architecture = platform.split("/").last if platform
end

#adjust_package_settings(output) ⇒ Object 



381
382
383
384
385
386
 
# File 'lib/fpm/fry/command/cook.rb', line 381

def adjust_package_settings( output )
  # FPM ignores the file permissions on rpm packages.
  output.attributes[:rpm_use_file_permissions?] = true
  output.attributes[:rpm_user] = 'root'
  output.attributes[:rpm_group] = 'root'
end

#attach_to_build_container_and_stream_logs(container) ⇒ Object 



263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
 
# File 'lib/fpm/fry/command/cook.rb', line 263

def attach_to_build_container_and_stream_logs(container)
  url = client.url('containers',container,'attach?stderr=1&stdout=1&stream=1&logs=1')
  client.post(
    path: url,
    body: '',
    expects: [200],
    middlewares: [
      StreamParser.new(out,err),
      Excon::Middleware::Expects,
      Excon::Middleware::Instrumentor,
      Excon::Middleware::Mock
    ]
  )
rescue Excon::Error
  logger.error "could not attach to container #{container}, url: #{url}"
  raise
end

#build! ⇒ Object 



218
219
220
221
222
223
224
225
226
227
228
 
# File 'lib/fpm/fry/command/cook.rb', line 218

def build!
  container = create_build_container
  start_build_container(container)
  attach_to_build_container_and_stream_logs(container)
  wait_for_build_container_to_shut_down(container)
  yield container
ensure
  unless keep?
    client.destroy(container) if container
  end
end

#create_build_container ⇒ Object 



230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
 
# File 'lib/fpm/fry/command/cook.rb', line 230

def create_build_container
  url = client.url('containers','create')
  args = {
    headers: {
      'Content-Type' => 'application/json'
    },
    path: url,
    expects: [201],
    body: JSON.generate({"Image" => build_image})
  }
  args[:query] = { platform: platform } if platform
  res = client.post(args)
  JSON.parse(res.body)['Id']
rescue Excon::Error
  logger.error "could not create #{build_image}, url: #{url}"
  raise
end

#execute ⇒ Object 



423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
 
# File 'lib/fpm/fry/command/cook.rb', line 423

def execute
  pull_base_image! if pull?

  # force some eager loading
  lint_recipe_file!
  builder
  lint_output_class!
  lint_recipe!
  cache

  image_id
  build_image

  packages do | dir_map |

    build! do |container|
      input_package(container) do |input|
        input.split( container, dir_map )
      end
    end

  end

  return 0
rescue Recipe::NotFound => e
  logger.error("Recipe not found", recipe: recipe, exception: e)
  return 1
rescue => e
  logger.error(e)
  return 1
end

#flavour ⇒ Object 



76
77
78
 
# File 'lib/fpm/fry/command/cook.rb', line 76

def flavour
  builder.variables[:flavour]
end

#input_package(container) ⇒ Object 



296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
 
# File 'lib/fpm/fry/command/cook.rb', line 296

def input_package(container)
  input = FPM::Package::Docker.new(
    logger: logger,
    client: client,
    keep_modified_files: builder.keep_modified_files,
    verbose: verbose?,
  )
  builder.recipe.apply_input(input)
  begin
    input.input(container)
    return yield(input)
  ensure
    input.cleanup_staging
    input.cleanup_build
  end
end

#lint_output_class! ⇒ Object 



85
86
87
 
# File 'lib/fpm/fry/command/cook.rb', line 85

def lint_output_class!

end

#lint_recipe! ⇒ Object 



93
94
95
96
97
98
99
100
101
 
# File 'lib/fpm/fry/command/cook.rb', line 93

def lint_recipe!
  problems = builder.recipe.lint
  if problems.any?
    problems.each do |p|
      logger.error(p)
    end
    raise
  end
end

#lint_recipe_file! ⇒ Object 



89
90
91
 
# File 'lib/fpm/fry/command/cook.rb', line 89

def lint_recipe_file!
  File.exist?(recipe) || raise(Recipe::NotFound)
end

#packages ⇒ Object 



339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
 
# File 'lib/fpm/fry/command/cook.rb', line 339

def packages
  dir_map = []
  out_map = {}

  builder.recipe.packages.each do | package |
    output = output_class.new
    output.instance_variable_set(:@logger,logger)
    package.files.each do | pattern |
      dir_map << [ pattern, output.staging_path ]
    end
    out_map[ output ] = package
  end

  dir_map = Hash[ dir_map.reverse ]

  yield dir_map

  out_map.each do |output, package|
    package.apply_output(output)
    adjust_package_architecture(output)
    adjust_package_settings(output)
    adjust_config_files(output)
  end

  out_map.each do |output, _|
    write_output!(output)
  end

ensure

  out_map.each do |output, _|
    output.cleanup_staging
    output.cleanup_build
  end

end

#pull_base_image! ⇒ Object 



211
212
213
214
215
216
 
# File 'lib/fpm/fry/command/cook.rb', line 211

def pull_base_image!
  client.pull(image)
rescue Excon::Error
  logger.error "could not pull base image #{image}"
  raise
end

#start_build_container(container) ⇒ Object 



248
249
250
251
252
253
254
255
256
257
258
259
260
261
 
# File 'lib/fpm/fry/command/cook.rb', line 248

def start_build_container(container)
  url = client.url('containers',container,'start')
  client.post(
    headers: {
      'Content-Type' => 'application/json'
    },
    path: url,
    expects: [204],
    body: JSON.generate({})
  )
rescue Excon::Error
  logger.error "could not start container #{container}, url: #{url}"
  raise
end

#update? ⇒ Boolean

Returns:

  • (Boolean) 


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
 
# File 'lib/fpm/fry/command/cook.rb', line 185

def update?
  if flavour == 'debian'
    case(update)
    when 'auto'
      Inspector.for_image(client, image) do |inspector|
        begin
          inspector.read('/var/lib/apt/lists') do |file|
            next if file.header.name == 'lists/'
            logger.hint("/var/lib/apt/lists is not empty, you could try to speed up builds with --update=never", documentation: 'https://github.com/xing/fpm-fry/wiki/The-update-parameter')
            break
          end
        rescue FPM::Fry::Client::FileNotFound
          logger.hint("/var/lib/apt/lists does not exists, so we will autoupdate")
        end
      end
      return true
    when 'always'
      return true
    when 'never'
      return false
    end
  else
    return false
  end
end

#wait_for_build_container_to_shut_down(container) ⇒ Object 



281
282
283
284
285
286
287
288
289
290
291
292
293
294
 
# File 'lib/fpm/fry/command/cook.rb', line 281

def wait_for_build_container_to_shut_down(container)
  res = client.post(
    path: client.url('containers',container,'wait'),
    expects: [200],
    body: ''
  )
  json = JSON.parse(res.body)
  if json["StatusCode"] != 0
    raise BuildFailed.new("Build script failed with non zero exit code", json)
  end
rescue Excon::Error
  logger.error "could not wait successfully for container #{container}, url: #{url}"
  raise
end

#write_output!(output) ⇒ Object 



313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
 
# File 'lib/fpm/fry/command/cook.rb', line 313

def write_output!(output)
  package_file = File.expand_path(output.to_s(nil))
  FileUtils.mkdir_p(File.dirname(package_file))
  tmp_package_file = package_file + '.tmp'
  begin
    FileUtils.rm_rf tmp_package_file
  rescue Errno::ENOENT
  end

  output.output(tmp_package_file)

  if output.config_files.any?
    logger.debug("Found config files for #{output.name}", files: output.config_files)
  else
    logger.debug("No config files for #{output.name}")
  end

  begin
    FileUtils.rm_rf package_file
  rescue Errno::ENOENT
  end
  File.rename tmp_package_file, package_file

  logger.info("Created package", :path => package_file)
end