Class: Bosh::Cli::ReleaseTarball

Inherits:
Object
  • Object
show all
Includes:
DependencyHelper, Validation
Defined in:
lib/cli/release_tarball.rb

Defined Under Namespace

Classes: TarballArtifact

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from DependencyHelper

#tsort_packages

Methods included from Validation

#errors, #reset_validation, #valid?, #validate

Constructor Details

#initialize(tarball_path) ⇒ ReleaseTarball

Returns a new instance of ReleaseTarball.



9
10
11
12
13
14
15
16
17
18
19
20
 
# File 'lib/cli/release_tarball.rb', line 9

def initialize(tarball_path)
  @tarball_path = File.expand_path(tarball_path, Dir.pwd)
  @unpack_dir   = Dir.mktmpdir
  @jobs = []
  @packages = []

  if compiled_release?
    @packages_folder = "compiled_packages"
  else
    @packages_folder = "packages"
  end
end

Instance Attribute Details

#jobs ⇒ Object (readonly)

Returns the value of attribute jobs.



6
7
8
 
# File 'lib/cli/release_tarball.rb', line 6

def jobs
  @jobs
end

#packages ⇒ Object (readonly)

Returns the value of attribute packages.



6
7
8
 
# File 'lib/cli/release_tarball.rb', line 6

def packages
  @packages
end

#release_name ⇒ Object (readonly)

Returns the value of attribute release_name.



6
7
8
 
# File 'lib/cli/release_tarball.rb', line 6

def release_name
  @release_name
end

#skipped ⇒ Object (readonly)

Mostly for tests



7
8
9
 
# File 'lib/cli/release_tarball.rb', line 7

def skipped
  @skipped
end

#unpack_dir ⇒ Object (readonly)

Mostly for tests



7
8
9
 
# File 'lib/cli/release_tarball.rb', line 7

def unpack_dir
  @unpack_dir
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



6
7
8
 
# File 'lib/cli/release_tarball.rb', line 6

def version
  @version
end

Instance Method Details

#affected_jobs ⇒ Object 



421
422
423
 
# File 'lib/cli/release_tarball.rb', line 421

def affected_jobs
  []
end

#all_release_jobs_unpacked? ⇒ Boolean

verifies that all jobs in release manifest were unpacked

Returns:

  • (Boolean) 


95
96
97
98
99
100
101
 
# File 'lib/cli/release_tarball.rb', line 95

def all_release_jobs_unpacked?
  return false if manifest_yaml['jobs'].nil?

  manifest_job_names = manifest_yaml['jobs'].map { |j| j['name'] }.sort
  unpacked_job_file_names = Dir.glob(File.join(@unpack_dir, 'jobs', '*')).map { |f| File.basename(f, '.*') }.sort
  unpacked_job_file_names == manifest_job_names
end

#compiled_release? ⇒ Boolean

Returns:

  • (Boolean) 


133
134
135
 
# File 'lib/cli/release_tarball.rb', line 133

def compiled_release?
  manifest_yaml.has_key?('compiled_packages')
end

#convert_to_old_format ⇒ Object 



161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
 
# File 'lib/cli/release_tarball.rb', line 161

def convert_to_old_format
  step('Converting to old format',
       "Cannot extract tarball #{@tarball_path}", :fatal) do
    unpack
  end

  manifest_file = File.expand_path('release.MF', @unpack_dir)
  manifest = load_yaml_file(manifest_file)
  old_format_version = Bosh::Common::Version::ReleaseVersion.parse(manifest['version']).to_old_format
  manifest['version'] = old_format_version
  write_yaml(manifest, manifest_file)
  tmpdir = Dir.mktmpdir
  repacked_path = File.join(tmpdir, 'release-reformat.tgz')

  Dir.chdir(@unpack_dir) do
    exit_success = system("tar", "-czf", repacked_path, ".", out: "/dev/null", err: "/dev/null")
    return repacked_path if exit_success
  end
end

#create_from_unpacked(target_path) ⇒ Object

Creates a new tarball from the current contents of @unpack_dir



111
112
113
114
 
# File 'lib/cli/release_tarball.rb', line 111

def create_from_unpacked(target_path)
  raise "Not unpacked yet!" unless @unpacked
  SortedReleaseArchiver.new(@unpack_dir).archive(File.expand_path(target_path))
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


116
117
118
 
# File 'lib/cli/release_tarball.rb', line 116

def exists?
  File.exists?(@tarball_path) && File.readable?(@tarball_path)
end

#handle_dot_slash_prefix(target) ⇒ Object

This will [add or remove] the ‘./’ when trying to extract a specific file from archive



65
66
67
68
69
70
71
 
# File 'lib/cli/release_tarball.rb', line 65

def handle_dot_slash_prefix(target)
  if target =~ /^\.\/.*/
    target.sub!(/^\.\//, '')
  else
    target.prepend("./")
  end
end

#job_tarball_path(name) ⇒ Object 



143
144
145
146
147
 
# File 'lib/cli/release_tarball.rb', line 143

def job_tarball_path(name)
  return nil unless valid?
  unpack
  File.join(@unpack_dir, 'jobs', "#{name}.tgz")
end

#license ⇒ Object 



401
402
403
404
405
406
407
 
# File 'lib/cli/release_tarball.rb', line 401

def license
  m = Psych.load(manifest)
  license = m['license']
  return nil if !license
  license['name'] = 'license'
  TarballArtifact.new(license)
end

#license_resource ⇒ Object 



155
156
157
158
159
 
# File 'lib/cli/release_tarball.rb', line 155

def license_resource
  return nil unless valid?
  unpack
  return Resources::License.new(@unpack_dir)
end

#manifest ⇒ Object 



120
121
122
123
124
 
# File 'lib/cli/release_tarball.rb', line 120

def manifest
  return nil unless valid?
  unpack_manifest
  File.read(File.join(@unpack_dir, "release.MF"))
end

#manifest_yaml ⇒ Object 



126
127
128
129
130
131
 
# File 'lib/cli/release_tarball.rb', line 126

def manifest_yaml
  return @manifest_yaml unless @manifest_yaml.nil?
  unpack_manifest
  manifest_file = File.expand_path("release.MF", @unpack_dir)
  @manifest_yaml = load_yaml_file(manifest_file)
end

#package_tarball_path(name) ⇒ Object 



149
150
151
152
153
 
# File 'lib/cli/release_tarball.rb', line 149

def package_tarball_path(name)
  return nil unless valid?
  unpack
  File.join(@unpack_dir, 'packages', "#{name}.tgz")
end

#perform_validation(options = {}) ⇒ Object

If sparse release is allowed we bypass the requirement of having all jobs and packages in place when we do validation. However for jobs and packages that are present we still need to validate checksums



231
232
233
234
235
236
237
238
239
240
241
 
# File 'lib/cli/release_tarball.rb', line 231

def perform_validation(options = {})
  step("File exists and readable", "Cannot find release file #{@tarball_path}", :fatal) do
    exists?
  end

  validate_manifest if options.fetch(:validate_manifest, true)
  validate_packages(options)
  validate_jobs(options)

  print_manifest if options.fetch(:print_release_info, true)
end

#print_manifest ⇒ Object 



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
454
455
456
457
458
459
460
 
# File 'lib/cli/release_tarball.rb', line 425

def print_manifest
  manifest = manifest_yaml
  say("\nRelease info")
  say("------------")

  say("Name:    #{manifest["name"]}")
  say("Version: #{manifest["version"]}")

  say("\nPackages")

  if manifest[@packages_folder].empty?
    say("  - none")
  end

  for package in manifest[@packages_folder]
    say("  - #{package["name"]} (#{package["version"]})")
  end

  say("\nJobs")

  if manifest["jobs"].empty?
    say("  - none")
  end

  for job in manifest["jobs"]
    say("  - #{job["name"]} (#{job["version"]})")
  end

  say("\nLicense")
  if manifest["license"].nil? || manifest["license"].empty?
    say("  - none")
  else
    say("  - license (#{manifest["license"]["version"]})")
  end
  nl
end

#raw_fast_unpack(target) ⇒ Object 



73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
 
# File 'lib/cli/release_tarball.rb', line 73

def raw_fast_unpack(target)
  tar_version, _, _ = Open3.capture3('tar', '--version')

  case tar_version
    when /.*gnu.*/i
        Kernel.system("tar", "-C", @unpack_dir, "-xzf", @tarball_path, "--occurrence", "#{target}", out: "/dev/null", err: "/dev/null")
    when /.*bsd.*/i
      if target[-1, 1] == "/"
        raw_unpack(target)
      else
        Kernel.system("tar", "-C", @unpack_dir, "--fast-read", "-xzf", @tarball_path, "#{target}", out: "/dev/null", err: "/dev/null")
      end
    else
      raw_unpack(target)
  end
end

#raw_unpack(target) ⇒ Object 



90
91
92
 
# File 'lib/cli/release_tarball.rb', line 90

def raw_unpack(target)
  Kernel.system("tar", "-C", @unpack_dir, "-xzf", @tarball_path, "#{target}", out: "/dev/null", err: "/dev/null")
end

#repack(package_matches = []) ⇒ Object

Repacks tarball according to the structure of remote release Return path to repackaged tarball or nil if repack has failed



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
218
219
220
221
222
223
224
225
226
 
# File 'lib/cli/release_tarball.rb', line 188

def repack(package_matches = [])
  return nil unless valid?
  unpack if upload_packages?(package_matches)

  tmpdir = Dir.mktmpdir
  repacked_path = File.join(tmpdir, "release-repack.tgz")

  manifest = load_yaml_file(File.join(@unpack_dir, "release.MF"))

  local_packages = manifest[@packages_folder]
  local_jobs = manifest["jobs"]

  @skipped = 0

  Dir.chdir(@unpack_dir) do
    local_packages.each do |package|
      say("#{package["name"]} (#{package["version"]})".ljust(30), " ")

      if  package_matches and package_matches.include?(package["sha1"]) ||
         (package["fingerprint"] &&
          package_matches.include?(package["fingerprint"]))
        say("SKIP".make_green)
        @skipped += 1
        FileUtils.rm_rf(File.join(@packages_folder, "#{package["name"]}.tgz"))
      else
        say("UPLOAD".make_red)
      end
    end

    local_jobs.each do |job|
      say("#{job["name"]} (#{job["version"]})".ljust(30), " ")
      say("UPLOAD".make_red)
    end

    return nil if @skipped == 0
    exit_success = system("tar", "-czf", repacked_path, ".", out: "/dev/null", err: "/dev/null")
    return repacked_path if exit_success
  end
end

#replace_manifest(hash) ⇒ Object 



137
138
139
140
141
 
# File 'lib/cli/release_tarball.rb', line 137

def replace_manifest(hash)
  return nil unless valid?
  unpack
  write_yaml(hash, File.join(@unpack_dir, "release.MF"))
end

#safe_fast_unpack(target) ⇒ Object

On machines using GNU based tar command, it should be able to unpack files irrespective of the ./ prefix in the file name



46
47
48
49
50
51
52
53
 
# File 'lib/cli/release_tarball.rb', line 46

def safe_fast_unpack(target)
  exit_status = raw_fast_unpack(target)
  if !exit_status
    processed_target = handle_dot_slash_prefix(target)
    exit_status = raw_fast_unpack(processed_target)
  end
  exit_status
end

#safe_unpack(target) ⇒ Object 



55
56
57
58
59
60
61
62
 
# File 'lib/cli/release_tarball.rb', line 55

def safe_unpack(target)
  exit_status = raw_unpack(target)
  if !exit_status
    processed_target = handle_dot_slash_prefix(target)
    exit_status = raw_unpack(processed_target)
  end
  exit_status
end

#unpack ⇒ Object

Unpacks tarball to @unpack_dir, returns true if succeeded, false if failed



104
105
106
107
108
 
# File 'lib/cli/release_tarball.rb', line 104

def unpack
  return @unpacked unless @unpacked.nil?
  exit_success = system("tar", "-C", @unpack_dir, "-xzf", @tarball_path, out: "/dev/null", err: "/dev/null")
  @unpacked = !!exit_success
end

#unpack_jobs ⇒ Object 



28
29
30
31
32
33
34
35
 
# File 'lib/cli/release_tarball.rb', line 28

def unpack_jobs
  return @unpacked_jobs unless @unpacked_jobs.nil?
  exit_success = safe_fast_unpack('./jobs/')
  unless all_release_jobs_unpacked?
    exit_success = safe_unpack('./jobs/')
  end
  @unpacked_jobs = !!exit_success
end

#unpack_license ⇒ Object 



37
38
39
40
41
42
 
# File 'lib/cli/release_tarball.rb', line 37

def unpack_license
  return false if manifest_yaml['license'].nil?
  return @unpacked_license unless @unpacked_license.nil?
  exit_success = safe_fast_unpack('./license.tgz')
  @unpacked_license = !!exit_success
end

#unpack_manifest ⇒ Object 



22
23
24
25
26
 
# File 'lib/cli/release_tarball.rb', line 22

def unpack_manifest
  return @unpacked_manifest unless @unpacked_manifest.nil?
  exit_success = safe_fast_unpack('./release.MF')
  @unpacked_manifest = !!exit_success
end

#upload_packages?(package_matches = []) ⇒ Boolean

Returns:

  • (Boolean) 


181
182
183
184
 
# File 'lib/cli/release_tarball.rb', line 181

def upload_packages?(package_matches = [])
  return true if package_matches.nil?
  package_matches.uniq.size != manifest_yaml[@packages_folder].map { |p| p['version'] }.uniq.size
end

#validate_jobs(options = {}) ⇒ Object 



312
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
338
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
375
376
377
378
379
380
381
382
383
384
385
386
 
# File 'lib/cli/release_tarball.rb', line 312

def validate_jobs(options = {})
  allow_sparse = options.fetch(:allow_sparse, false)
  unpack_jobs
  unpack_license

  total_jobs = manifest_yaml["jobs"].size

  step("Checking jobs format",
       "Jobs are not versioned, please re-create release with current CLI version (or any CLI >= 0.4.4)", :fatal) do
    total_jobs > 0 && manifest_yaml["jobs"][0].is_a?(Hash)
  end

  manifest_yaml["jobs"].each_with_index do |job, i|
    @jobs << job

    name    = job["name"]
    version = job["version"]

    job_file   = File.expand_path(name + ".tgz", @unpack_dir + "/jobs")
    job_exists = File.exists?(job_file)

    step("Read job '%s' (%d of %d), version %s" % [name, i+1, total_jobs, version],
         "Job '#{name}' not found") do
      job_exists || allow_sparse
    end

    if job_exists
      job_tmp_dir = Dir.mktmpdir
      FileUtils.mkdir_p(job_tmp_dir)
      job_extracted = !!system("tar", "-C", job_tmp_dir, "-xzf", job_file, out: "/dev/null", err: "/dev/null")

      step("Extract job '#{name}'", "Cannot extract job '#{name}'") do
        job_extracted
      end

      if job_extracted
        job_manifest_file = File.expand_path("job.MF", job_tmp_dir)
        if File.exists?(job_manifest_file)
          job_manifest = load_yaml_file(job_manifest_file)
        end
        job_manifest_valid = job_manifest.is_a?(Hash)

        step("Read job '#{name}' manifest",
             "Invalid job '#{name}' manifest") do
          job_manifest_valid
        end

        if job_manifest_valid && job_manifest["templates"]
          job_manifest["templates"].each_key do |template|
            step("Check template '#{template}' for '#{name}'",
                 "No template named '#{template}' for '#{name}'") do
              File.exists?(File.expand_path(template, job_tmp_dir + "/templates"))
            end
          end
        end

        validate_job_packages = options.fetch(:validate_job_packages, true)

        if validate_job_packages && job_manifest_valid && job_manifest["packages"]
          job_manifest["packages"].each do |package_name|
            step("Job '#{name}' needs '#{package_name}' package",
                 "Job '#{name}' references missing package '#{package_name}'") do
              @available_packages[package_name] || allow_sparse
            end
          end
        end

        step("Monit file for '#{name}'",
             "Monit script missing for job '#{name}'") do
          File.exists?(File.expand_path("monit", job_tmp_dir)) || Dir.glob("#{job_tmp_dir}/*.monit").size > 0
        end
      end
    end
  end
end

#validate_manifest ⇒ Object 



243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
 
# File 'lib/cli/release_tarball.rb', line 243

def validate_manifest
  step("Extract manifest",
       "Cannot extract manifest #{@tarball_path}", :fatal) do
    unpack_manifest
  end

  manifest_file = File.expand_path("release.MF", @unpack_dir)
  step("Manifest exists", "Cannot find release manifest", :fatal) do
    File.exists?(manifest_file)
  end

  @manifest_yaml = nil

  step("Release name/version",
       "Manifest doesn't contain release name and/or version") do
    manifest_yaml.is_a?(Hash) &&
        manifest_yaml.has_key?("name") &&
        manifest_yaml.has_key?("version")
  end

  @release_name = manifest_yaml["name"]
  @version = manifest_yaml["version"].to_s
  @validated = true
end

#validate_packages(options = {}) ⇒ Object 



268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
 
# File 'lib/cli/release_tarball.rb', line 268

def validate_packages(options = {})
  allow_sparse = options.fetch(:allow_sparse, false)
  unpack

  total_packages = manifest_yaml[@packages_folder].size
  @available_packages = {}

  manifest_yaml[@packages_folder].each_with_index do |package, i|
    @packages << package
    name = package['name']

    package_file   = File.expand_path(name + ".tgz", File.join(@unpack_dir, @packages_folder))
    package_exists = File.exists?(package_file)

    step("Read package '%s' (%d of %d)" % [name, i+1, total_packages],
         "Missing package '#{name}'") do
      package_exists || allow_sparse
    end

    if package_exists
      @available_packages[name] = true
    end
  end

  # Check package dependencies
  # Note that we use manifest["packages"] here; manifest contains
  # all packages even if release is sparse, so we can detect problems
  # even in sparse release tarball.
  if total_packages > 0
    step("Package dependencies",
         "Package dependencies couldn't be resolved") do
      begin
        tsort_packages(manifest_yaml[@packages_folder].inject({}) { |h, p|
                         h[p["name"]] = p["dependencies"] || []; h })
        true
      rescue Bosh::Cli::CircularDependency,
          Bosh::Cli::MissingDependency => e
        errors << e.message
        false
      end
    end
  end
end