Module: Deb::S3::Utils

Included in:
Manifest, Package, Package, Release
Defined in:
lib/deb/s3/utils.rb

Defined Under Namespace

Classes: AlreadyExistsError, SafeSystemError

Class Method Summary collapse

Class Method Details

.access_policy ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 11

def access_policy; @access_policy end

.access_policy=(v) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 12

def access_policy= v; @access_policy = v end

.bucket ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 9

def bucket; @bucket end

.bucket=(v) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 10

def bucket= v; @bucket = v end

.debianize_op(op) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 33

def debianize_op(op)
  # Operators in debian packaging are <<, <=, =, >= and >>
  # So any operator like < or > must be replaced
  {:< => "<<", :> => ">>"}[op.to_sym] or op
end

.encryption ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 19

def encryption; @encryption end

.encryption=(v) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 20

def encryption= v; @encryption = v end

.gpg_options ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 15

def gpg_options; @gpg_options end

.gpg_options=(v) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 16

def gpg_options= v; @gpg_options = v end

.prefix ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 17

def prefix; @prefix end

.prefix=(v) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 18

def prefix= v; @prefix = v end

.s3 ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 7

def s3; @s3 end

.s3=(v) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 8

def s3= v; @s3 = v end

.s3_escape(string) ⇒ Object

from fog, Fog::AWS.escape



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# File 'lib/deb/s3/utils.rb', line 50

def s3_escape(string)
  string.gsub(/([^a-zA-Z0-9_.\-~+]+)/) {
    "%" + $1.unpack("H2" * $1.bytesize).join("%").upcase
  }
end

.s3_exists?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/deb/s3/utils.rb', line 56

def s3_exists?(path)
  Deb::S3::Utils.s3.head_object(
    :bucket => Deb::S3::Utils.bucket,
    :key => s3_path(path),
  )
rescue Aws::S3::Errors::NotFound
  false
end

.s3_path(path) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 45

def s3_path(path)
  File.join(*[Deb::S3::Utils.prefix, path].compact)
end

.s3_read(path) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 65

def s3_read(path)
  Deb::S3::Utils.s3.get_object(
    :bucket => Deb::S3::Utils.bucket,
    :key => s3_path(path),
  )[:body].read
rescue Aws::S3::Errors::NoSuchKey
  nil
end

.s3_remove(path) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 110

def s3_remove(path)
  if s3_exists?(path)
    Deb::S3::Utils.s3.delete_object(
      :bucket =>Deb::S3::Utils.bucket,
      :key => s3_path(path),
    )
  end
end

.s3_store(path, filename = nil, content_type = 'application/octet-stream; charset=binary', cache_control = nil, fail_if_exists = false) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 74

def s3_store(path, filename=nil, content_type='application/octet-stream; charset=binary', cache_control=nil, fail_if_exists=false)
  filename = File.basename(path) unless filename
  obj = s3_exists?(filename)

  file_md5 = Digest::MD5.file(path)

  # check if the object already exists
  if obj != false
    return if (file_md5.to_s == obj[:etag].gsub('"', '') or file_md5.to_s == obj[:metadata]['md5'])
    raise AlreadyExistsError, "file #{filename} already exists with different contents" if fail_if_exists
  end

  options = {
    :bucket => Deb::S3::Utils.bucket,
    :key => s3_path(filename),
    :content_type => content_type,
    :metadata => { "md5" => file_md5.to_s },
  }

  if !Deb::S3::Utils.access_policy.nil?
    options[:acl] = Deb::S3::Utils.access_policy
  end
  if !cache_control.nil?
    options[:cache_control] = cache_control
  end

  # specify if encryption is required
  options[:server_side_encryption] = "AES256" if Deb::S3::Utils.encryption

  # upload the file
  File.open(path) do |f|
    options[:body] = f
    Deb::S3::Utils.s3.put_object(options)
  end
end

.safesystem(*args) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 25

def safesystem(*args)
  success = system(*args)
  if !success
    raise SafeSystemError, "'system(#{args.inspect})' failed with error code: #{$?.exitstatus}"
  end
  return success
end

.signing_key ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 13

def signing_key; @signing_key end

.signing_key=(v) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 14

def signing_key= v; @signing_key = v end

.template(path) ⇒ Object 



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# File 'lib/deb/s3/utils.rb', line 39

def template(path)
  template_file = File.join(File.dirname(__FILE__), "templates", path)
  template_code = File.read(template_file)
  ERB.new(template_code, trim_mode: "-")
end