Class: Bosh::Cli::ReleaseTarball

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

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
 
# 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 = []
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

#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

#convert_to_old_format ⇒ Object 



33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
 
# File 'lib/cli/release_tarball.rb', line 33

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
    `tar -czf #{repacked_path} . 2>&1`
    return repacked_path if $? == 0
  end
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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

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

#manifest ⇒ Object 



27
28
29
30
31
 
# File 'lib/cli/release_tarball.rb', line 27

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



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
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
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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
 
# File 'lib/cli/release_tarball.rb', line 97

def perform_validation(options = {})
  # CLEANUP this syntax
  allow_sparse = options.has_key?(:allow_sparse) ?
      !!options[:allow_sparse] :
      false

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

  step("Extract tarball",
       "Cannot extract tarball #{@tarball_path}", :fatal) do
    unpack
  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 = load_yaml_file(manifest_file)

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

  @release_name = manifest["name"]
  @version = manifest["version"].to_s

  # Check packages
  total_packages = manifest["packages"].size
  available_packages = {}

  manifest["packages"].each_with_index do |package, i|
    @packages << package
    name, version = package['name'], package['version']

    package_file   = File.expand_path(name + ".tgz",
                                      @unpack_dir + "/packages")
    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
      step("Package '#{name}' checksum",
           "Incorrect checksum for package '#{name}'") do
        Digest::SHA1.file(package_file).hexdigest == package["sha1"]
      end
    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["packages"].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

  # Check jobs
  total_jobs = manifest["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["jobs"][0].is_a?(Hash)
  end

  manifest["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
      step("Job '#{name}' checksum",
           "Incorrect checksum for job '#{name}'") do
        Digest::SHA1.file(job_file).hexdigest == job["sha1"]
      end

      job_tmp_dir = Dir.mktmpdir
      FileUtils.mkdir_p(job_tmp_dir)
      `tar -C #{job_tmp_dir} -xzf #{job_file} 2>&1`
      job_extracted = $?.exitstatus == 0

      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

        if 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

  print_info(manifest)
end

#print_info(manifest) ⇒ Object 



258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
 
# File 'lib/cli/release_tarball.rb', line 258

def print_info(manifest)
  say("\nRelease info")
  say("------------")

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

  say("\nPackages")

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

  for package in manifest["packages"]
    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
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



55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
 
# File 'lib/cli/release_tarball.rb', line 55

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

  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"]
  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.include?(package["sha1"]) ||
         (package["fingerprint"] &&
          package_matches.include?(package["fingerprint"]))
        say("SKIP".make_green)
        @skipped += 1
        FileUtils.rm_rf(File.join("packages", "#{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
    `tar -czf #{repacked_path} . 2>&1`
    return repacked_path if $? == 0
  end
end

#unpack ⇒ Object

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



17
18
19
20
21
 
# File 'lib/cli/release_tarball.rb', line 17

def unpack
  return @unpacked unless @unpacked.nil?
  `tar -C #{@unpack_dir} -xzf #{@tarball_path} 2>&1`
  @unpacked = $?.exitstatus == 0
end