Class: ImageServer::Installer

Inherits:
Object
  • Object
show all
Defined in:
lib/image_server/installer.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(configuration = ImageServer.configuration) ⇒ Installer

Returns a new instance of Installer.



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# File 'lib/image_server/installer.rb', line 14

def initialize(configuration = ImageServer.configuration)
  @configuration = configuration
end

Instance Attribute Details

#configuration ⇒ Object (readonly)

Returns the value of attribute configuration.



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# File 'lib/image_server/installer.rb', line 8

def configuration
  @configuration
end

Class Method Details

.install(configuration = ImageServer.configuration) ⇒ Object 



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# File 'lib/image_server/installer.rb', line 10

def self.install(configuration = ImageServer.configuration)
  new(configuration).install
end

Instance Method Details

#bin_path ⇒ Object 



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# File 'lib/image_server/installer.rb', line 57

def bin_path
  configuration.path_to_binary
end

#current_version ⇒ Object 



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# File 'lib/image_server/installer.rb', line 39

def current_version
  '1.18.0'
end

#executable_name ⇒ Object 



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# File 'lib/image_server/installer.rb', line 43

def executable_name
  "images-#{platform}-#{current_version}"
end

#install ⇒ Object 



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# File 'lib/image_server/installer.rb', line 18

def install
  return unless valid_platform?
  return if installed_latest?

  FileUtils.mkdir_p 'bin'
  File.open(bin_path, 'wb') do |saved_file|
    open(remote_url, 'rb') do |read_file|
      saved_file.write(read_file.read)
    end
  end
  File.chmod(744, bin_path)
end

#installed_latest? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/image_server/installer.rb', line 51

def installed_latest?
  File.exist?(bin_path) && `#{bin_path} --version`.split(' ').last.chomp == current_version
rescue
  false
end

#platform ⇒ Object 



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# File 'lib/image_server/installer.rb', line 35

def platform
  `uname -s`.strip.downcase
end

#remote_url ⇒ Object 



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# File 'lib/image_server/installer.rb', line 47

def remote_url
  "https://github.com/image-server/image-server/releases/download/v#{current_version}/#{executable_name}"
end

#valid_platform? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/image_server/installer.rb', line 31

def valid_platform?
  %w(darwin linux).include?(platform)
end