Class: Mixlib::Install

Inherits:
Object
  • Object
show all
Defined in:
lib/mixlib/install.rb,
lib/mixlib/install/cli.rb,
lib/mixlib/install/dist.rb,
lib/mixlib/install/util.rb,
lib/mixlib/install/backend.rb,
lib/mixlib/install/options.rb,
lib/mixlib/install/product.rb,
lib/mixlib/install/version.rb,
lib/mixlib/install/generator.rb,
lib/mixlib/install/backend/base.rb,
lib/mixlib/install/artifact_info.rb,
lib/mixlib/install/generator/base.rb,
lib/mixlib/install/generator/bourne.rb,
lib/mixlib/install/script_generator.rb,
lib/mixlib/install/generator/powershell.rb,
lib/mixlib/install/backend/package_router.rb

Defined Under Namespace

Classes: ArtifactInfo, Backend, Cli, Dist, Generator, Options, Product, ProductMatrix, ScriptGenerator, Util

Constant Summary collapse

VERSION = 
"3.14.0"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Install

Returns a new instance of Install.



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# File 'lib/mixlib/install.rb', line 35

def initialize(options = {})
  @options = Options.new(options)
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/mixlib/install.rb', line 33

def options
  @options
end

Class Method Details

.available_versions(product_name, channel) ⇒ Array<String>

List available versions

product_name and channel.

Parameters:

  • product (String) —

    name

  • channel (String, Symbol)

Returns:

  • (Array<String>) —

    list of available versions for the given



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# File 'lib/mixlib/install.rb', line 68

def self.available_versions(product_name, channel)
  Backend.available_versions(
    Mixlib::Install::Options.new(
      product_name: product_name,
      channel: channel.to_sym
    )
  )
end

.detect_platform ⇒ Object

Returns a Hash containing the platform info options



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# File 'lib/mixlib/install.rb', line 213

def self.detect_platform
  output = if Gem.win_platform?
             # For Windows we write the detect platform script and execute the
             # powershell.exe program with Mixlib::ShellOut
             Dir.mktmpdir do |d|
               File.open(File.join(d, "detect_platform.ps1"), "w+") do |f|
                 f.puts detect_platform_ps1
               end

               # An update to most Windows versions > 2008r2 now sets the execution policy
               # to disallow unsigned powershell scripts. This changes it for just this
               # powershell session, which allows this to run even if the execution policy
               # is set higher.
               Mixlib::ShellOut.new("powershell.exe -NoProfile -file #{File.join(d, "detect_platform.ps1")}", :env => { "PSExecutionPolicyPreference" => "Bypass" }).run_command
             end
           else
             Mixlib::ShellOut.new(detect_platform_sh).run_command
           end

  platform_info = output.stdout.split

  {
    platform: platform_info[0],
    platform_version: platform_info[1],
    architecture: platform_info[2],
  }
end

.detect_platform_ps1 ⇒ Object

Returns the platform_detection.ps1 script



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# File 'lib/mixlib/install.rb', line 251

def self.detect_platform_ps1
  Mixlib::Install::Generator::PowerShell.detect_platform_ps1
end

.detect_platform_sh ⇒ Object

Returns the platform_detection.sh script



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# File 'lib/mixlib/install.rb', line 244

def self.detect_platform_sh
  Mixlib::Install::Generator::Bourne.detect_platform_sh
end

.install_ps1(context = {}) ⇒ Object

Returns the install.ps1 script Supported context parameters:

base_url [String]

url pointing to the omnitruck to be queried by the script.



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# File 'lib/mixlib/install.rb', line 273

def self.install_ps1(context = {})
  Mixlib::Install::Generator::PowerShell.install_ps1(context)
end

.install_sh(context = {}) ⇒ Object

Returns the install.sh script Supported context parameters:

base_url [String]

url pointing to the omnitruck to be queried by the script.



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# File 'lib/mixlib/install.rb', line 262

def self.install_sh(context = {})
  Mixlib::Install::Generator::Bourne.install_sh(context)
end

Instance Method Details

#artifact_info ⇒ Array<ArtifactInfo>, ArtifactInfo

Fetch artifact metadata information

channel, product name, and product version. channel, product name, product version and platform info

Returns:

  • (Array<ArtifactInfo>) —

    list of fetched artifact data for the configured

  • (ArtifactInfo) —

    fetched artifact data for the configured



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# File 'lib/mixlib/install.rb', line 46

def artifact_info
  Backend.info(options)
end

#available_versions ⇒ Array<String>

List available versions

product_name and channel.

Returns:

  • (Array<String>) —

    list of available versions for the given



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# File 'lib/mixlib/install.rb', line 55

def available_versions
  self.class.available_versions(options.product_name, options.channel)
end

#current_version ⇒ Object

Returns the current version of the installed product. Returns nil if the product is not installed.



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# File 'lib/mixlib/install.rb', line 172

def current_version
  # Note that this logic does not work for products other than
  # chef & chefdk since version-manifest is created under the
  # install directory which can be different than the product name (e.g.
  # chef-server -> /opt/opscode). But this is OK for now since
  # chef & chefdk are the only supported products.
  version_manifest_file = if options.for_ps1?
                            "$env:systemdrive\\#{Mixlib::Install::Dist::WINDOWS_INSTALL_DIR}\\#{options.product_name}\\version-manifest.json"
                          else
                            "/opt/#{options.product_name}/version-manifest.json"
                          end

  if File.exist? version_manifest_file
    JSON.parse(File.read(version_manifest_file))["build_version"]
  end
end

#detect_platform ⇒ Object

Automatically set the platform options



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# File 'lib/mixlib/install.rb', line 205

def detect_platform
  options.set_platform_info(self.class.detect_platform)
  self
end

#download_artifact(directory = Dir.pwd) ⇒ String

Download a single artifact

Parameters:

  • download (String) —

    directory. Default: Dir.pwd

Returns:

  • (String) —

    file path of downloaded artifact



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# File 'lib/mixlib/install.rb', line 93

def download_artifact(directory = Dir.pwd)
  if options.platform.nil? || options.platform_version.nil? || options.architecture.nil?
    raise "Must provide platform options to download a specific artifact"
  end

  artifact = artifact_info

  FileUtils.mkdir_p directory

  # Handle the full URL including query string and redirects
  uri = URI.parse(artifact.url)
  filename = nil
  final_body = nil

  Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == "https") do |http|
    # Build the request path including query string
    request_path = uri.path
    request_path += "?#{uri.query}" if uri.query

    # Get the response, following redirects
    response = http.request_get(request_path)

    # Follow redirects
    redirect_limit = 5
    while response.is_a?(Net::HTTPRedirection) && redirect_limit > 0
      redirect_uri = URI.parse(response["location"])
      # Handle relative redirects
      redirect_uri = uri + redirect_uri if redirect_uri.relative?

      Net::HTTP.start(redirect_uri.host, redirect_uri.port, use_ssl: redirect_uri.scheme == "https") do |redirect_http|
        redirect_path = redirect_uri.path
        redirect_path += "?#{redirect_uri.query}" if redirect_uri.query
        response = redirect_http.request_get(redirect_path)

        # Try to get filename from Content-Disposition or final URL
        if response["content-disposition"]
          filename = response["content-disposition"][/filename="?([^"]+)"?/, 1]
        else
          filename = File.basename(redirect_uri.path)
        end
      end

      redirect_limit -= 1
    end

    final_body = response.body
  end

  # Use the extracted filename or fall back to basename of original URL
  filename ||= File.basename(uri.path)
  file = File.join(directory, filename)

  # Write the final response body to file
  File.open(file, "wb") do |io|
    io.write(final_body)
  end

  file
end

#install_command ⇒ String

Returns an install script for the given options

Returns:

  • (String) —

    script for installing with given options



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# File 'lib/mixlib/install.rb', line 82

def install_command
  Generator.install_command(options)
end

#root ⇒ String

Returns the base installation directory for the given options

Returns:

  • (String) —

    the installation directory for the project



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# File 'lib/mixlib/install.rb', line 158

def root
  # This only works for chef and chefdk but they are the only projects
  # we are supporting as of now.
  if options.for_ps1?
    "$env:systemdrive\\#{Mixlib::Install::Dist::WINDOWS_INSTALL_DIR}\\#{options.product_name}"
  else
    "/opt/#{options.product_name}"
  end
end

#upgrade_available? ⇒ Boolean

Returns true if an upgradable version is available, false otherwise.

Returns:

  • (Boolean) 


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# File 'lib/mixlib/install.rb', line 192

def upgrade_available?
  return true if current_version.nil?

  artifact = artifact_info
  artifact = artifact.first if artifact.is_a? Array
  available_ver = Mixlib::Versioning.parse(artifact.version)
  current_ver = Mixlib::Versioning.parse(current_version)
  (available_ver > current_ver)
end