class Chef::Digester
Public Class Methods
checksum_for_file(*args)
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# File lib/chef/digester.rb, line 28 def self.checksum_for_file(*args) instance.checksum_for_file(*args) end
generate_md5_checksum_for_file(*args)
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# File lib/chef/digester.rb, line 48 def self.generate_md5_checksum_for_file(*args) instance.generate_md5_checksum_for_file(*args) end
Public Instance Methods
checksum_for_file(file)
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# File lib/chef/digester.rb, line 36 def checksum_for_file(file) generate_checksum(file) end
generate_checksum(file)
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# File lib/chef/digester.rb, line 40 def generate_checksum(file) if file.is_a?(StringIO) checksum_io(file, OpenSSL::Digest::SHA256.new) else checksum_file(file, OpenSSL::Digest::SHA256.new) end end
generate_md5_checksum(io)
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# File lib/chef/digester.rb, line 56 def generate_md5_checksum(io) checksum_io(io, OpenSSL::Digest::MD5.new) end
generate_md5_checksum_for_file(file)
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# File lib/chef/digester.rb, line 52 def generate_md5_checksum_for_file(file) checksum_file(file, OpenSSL::Digest::MD5.new) end
validate_checksum(*args)
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# File lib/chef/digester.rb, line 32 def validate_checksum(*args) self.class.validate_checksum(*args) end
Private Instance Methods
checksum_file(file, digest)
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# File lib/chef/digester.rb, line 62 def checksum_file(file, digest) File.open(file, "rb") { |f| checksum_io(f, digest) } end
checksum_io(io, digest)
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# File lib/chef/digester.rb, line 66 def checksum_io(io, digest) while chunk = io.read(1024 * 8) digest.update(chunk) end digest.hexdigest end