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require 'puppet_x/bodeco/util'
module Puppet::Parser::Functions
# Public: go file md5 checksum
#
# args[0] - username
# args[1] - password
# args[2] - file_name
# args[3] - go md5 checksum url
#
# http://www.thoughtworks.com/products/docs/go/12.4/help/Artifacts_API.html
#
# Returns specific file's md5 from go server md5 checksum file
newfunction(:go_md5, type: :rvalue) do |args|
raise(ArgumentError, "Invalid go md5 info url #{args}") unless args.size == 4
username, password, file, url = args
uri = URI(url)
response = PuppetX::Bodeco::Util.content(uri, username: username, password: password)
checksums = response.split("\n")
line = checksums.find { |x| x =~ %r{#{file}=} }
md5 = line.match(%r{\b[0-9a-f]{5,40}\b})
raise("Could not parse md5 from url#{url} response: #{response.body}") unless md5
md5[0]
end
end
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