Class: Microstatic::S3Deployer

Inherits:
Object
  • Object
show all
Includes:
UsesFog
Defined in:
lib/microstatic/s3_deployer.rb

Overview

The following is based on code generously shared by Giles Alexander (@gga)

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from UsesFog

#check_and_store_aws_creds, #connection, #dns

Constructor Details

#initialize(local_dir, bucket, aws_creds) ⇒ S3Deployer

Returns a new instance of S3Deployer.



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# File 'lib/microstatic/s3_deployer.rb', line 14

def initialize( local_dir, bucket, aws_creds )
  check_and_store_aws_creds(aws_creds)

  @local_dir = Pathname.new(local_dir)
  @file_list = ::Rake::FileList.new( (@local_dir+"**/*").to_s )
  @bucket = bucket
end

Instance Attribute Details

#file_list ⇒ Object (readonly)

TODO: don’t expose this directly



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# File 'lib/microstatic/s3_deployer.rb', line 12

def file_list
  @file_list
end

Instance Method Details

#upload ⇒ Object 



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# File 'lib/microstatic/s3_deployer.rb', line 22

def upload
  @file_list.each do |entry|
    entry = Pathname.new(entry)
    upload_file(entry) unless entry.directory?
  end
end

#upload_file(file) ⇒ Object 



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# File 'lib/microstatic/s3_deployer.rb', line 29

def upload_file( file )
  s3_key = file.relative_path_from(@local_dir).to_s

  begin
    s3_object = connection.head_object(@bucket,s3_key)
  rescue Excon::Errors::NotFound
    s3_object = false
  end

  if !s3_object
    log_action('CREATE', s3_key)
    put_file( s3_key, file )
  else
    s3_md5 = s3_object.headers['ETag'].sub(/"(.*)"/,'\1')
    local_md5 = Digest::MD5.hexdigest( file.read )

    if( s3_md5 == local_md5 )
      log_action('NO CHANGE', s3_key)
    else
      log_action('UPDATE', s3_key)
      put_file( s3_key, file )
    end
  end
end