Class: Winter::Dependency

Inherits:
Object
  • Object
show all
Defined in:
lib/winter/dependency.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Dependency

Returns a new instance of Dependency.



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# File 'lib/winter/dependency.rb', line 32

def initialize
  @artifact     = nil
  @group        = nil
  @version      = 'LATEST'
  @repositories = []
  @package      = 'jar'
  @offline      = false
  @transative   = false
  @verbose      = false 
  @destination  = '.'
end

Instance Attribute Details

#artifact ⇒ Object

Returns the value of attribute artifact.



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# File 'lib/winter/dependency.rb', line 23

def artifact
  @artifact
end

#destination ⇒ Object

Returns the value of attribute destination.



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# File 'lib/winter/dependency.rb', line 30

def destination
  @destination
end

#group ⇒ Object

Returns the value of attribute group.



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# File 'lib/winter/dependency.rb', line 24

def group
  @group
end

#offline ⇒ Object

Returns the value of attribute offline.



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# File 'lib/winter/dependency.rb', line 28

def offline
  @offline
end

#package ⇒ Object

Returns the value of attribute package.



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# File 'lib/winter/dependency.rb', line 27

def package
  @package
end

#repositories ⇒ Object

Returns the value of attribute repositories.



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# File 'lib/winter/dependency.rb', line 26

def repositories
  @repositories
end

#transative ⇒ Object

Returns the value of attribute transative.



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# File 'lib/winter/dependency.rb', line 29

def transative
  @transative
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/winter/dependency.rb', line 25

def version
  @version
end

Instance Method Details

#artifactory_path ⇒ Object 



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# File 'lib/winter/dependency.rb', line 61

def artifactory_path
  "#{@group.gsub(/\./,'/')}/#{@artifact}/#{@version}/#{@artifact}-#{@version}.#{@package}"
end

#dest_file ⇒ Object 



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# File 'lib/winter/dependency.rb', line 65

def dest_file
  File.join(@destination,outputFilename)
end

#get ⇒ Object 



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# File 'lib/winter/dependency.rb', line 44

def get    
  if ! File.directory?(@destination)  
    $LOG.debug "Create the destination folder if its not already there."
    FileUtils.mkdir_p @destination  
  end
  #Try and get file in a couple different ways. If we succeed then move on. 
  #Artifacts in your local .m2 ALWAYS take precedence over a remote artifact...
  #Unless we fail so hard we end up using mvn as a last ditched effort. 
  success = getLocalM2
  success = getRestArtifactory if ! success and ! @offline 
  success = getMaven if ! success and system( 'which mvn > /dev/null' ) 
  if ! success
    $LOG.info "[failed] #{outputFilename}"
  end
  return success
end

#getLocalM2 ⇒ Object 



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# File 'lib/winter/dependency.rb', line 110

def getLocalM2 
  log_prefix = "[local]  "
  begin
    artifact = "#{ENV["HOME"]}/.m2/repository/#{artifactory_path}"
    $LOG.debug "#{log_prefix}#{outputFilename}: Copying #{artifact} to #{dest_file}"
    FileUtils.cp(artifact,dest_file)
  rescue Errno::ENOENT
  	$LOG.debug "#{log_prefix}#{outputFilename}: #{artifact} does not exist."
  rescue SystemCallError => e
    $LOG.error "#{log_prefix}#{outputFilename}: Failed to copy file from local m2 repository."
    $LOG.error e
  else #Yay we got it
    $LOG.debug "#{log_prefix}#{outputFilename}: Successfully copied from local m2 repository."
    $LOG.info "#{log_prefix}#{outputFilename}"
    return true
  end
  return false
end

#getMaven ⇒ Object

Depricated because its slow and expensive to use… leaving it here for now.



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# File 'lib/winter/dependency.rb', line 130

def getMaven
  log_prefix = "[maven]  "
  c =  "mvn org.apache.maven.plugins:maven-dependency-plugin:2.5:get " 
  c << " -DremoteRepositories=#{@repositories.join(',').shellescape}" 
  c << " -Dtransitive=#{@transative}" 
  c << " -Dartifact=#{@group.shellescape}:#{@artifact.shellescape}:#{@version.shellescape}:#{@package.shellescape}" 
  c << " -Ddest=#{dest_file.shellescape} &>/dev/null"

  if @offline
    c << " --offline"
  end

  if !@verbose
    #quiet mode is default
    c << " -q"
  end

  result = system( c )
  if result == false
    $LOG.error("#{log_prefix}#{outputFilename}: Failed to retrieve artifact. -- #{c}")
  else
    $LOG.info "#{log_prefix}#{@group}:#{@artifact}:#{@version}:#{@package}"
    $LOG.debug "#{log_prefix}#{dest_file}"
  end
  return result
end

#getRestArtifactory ⇒ Object 



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# File 'lib/winter/dependency.rb', line 76

def getRestArtifactory 
  log_prefix = '[remote] '
  $LOG.debug "#{log_prefix}#{outputFilename}: Attempting to fetch via the artifactory rest api."
  #Loop through all the repos until something works
  @repositories.each { |repo| 
    begin
      open(dest_file,"wb") { |file|
        file.write(restRequest(URI.parse("#{repo}/#{artifactory_path}")))
      }
    rescue SocketError,RuntimeError => e # :( Maybe do better handling later. 
      $LOG.error "#{log_prefix}#{outputFilename}: Unable to fetch Artifact from #{repo}/#{artifactory_path}"  
      $LOG.debug e
      next
    end 
    #Check to make sure the md5sum of what we downloaded matches what's in the artifactory.
    begin
      artifactory_md5 = restRequest(URI.parse("#{repo}/#{artifactory_path}.md5"))
      my_md5 = Digest::MD5.file("#{dest_file}").hexdigest
    rescue SocketError, RuntimeError => e # :( Do better handling later. 
      $LOG.error "#{log_prefix}#{outputFilename}: Blew up while attempting to get md5s."
    else
      if artifactory_md5 == my_md5
        $LOG.debug "#{log_prefix}#{outputFilename}: Successfully fetched via artifactory rest api."
        $LOG.info "#{log_prefix}#{outputFilename}"
        return true 
      end
      $LOG.error "#{log_prefix}#{outputFilename}: Comparing remote MD5 #{artifactory_md5} to local md5 #{my_md5} (#{dest_file})" 
      $LOG.error "#{log_prefix}#{outputFilename}: Comparison failed. Deleting the 'bad' jar and moving on." 
      FileUtils.rm(dest_file)
    end
  }
  return false
end

#outputFilename ⇒ Object 



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# File 'lib/winter/dependency.rb', line 157

def outputFilename
  "#{@artifact}-#{@version}.#{@package}"
end

#restRequest(uri) ⇒ Object 



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# File 'lib/winter/dependency.rb', line 69

def restRequest(uri)
  response = Net::HTTP.get_response(uri)
  return response.body if response.is_a?(Net::HTTPSuccess)
  $LOG.debug "#{outputFilename}: Rest request to #{uri.inspect} #{response.inspect}"
  raise "Rest request got a bad response code back [#{response.code}]" 
end