diff options
author | varac <varacanero@zeromail.org> | 2016-06-09 17:34:25 +0200 |
---|---|---|
committer | varac <varacanero@zeromail.org> | 2016-06-14 12:05:18 +0200 |
commit | 77450777e17522cc56874e35cceed997378ff3f1 (patch) | |
tree | 787552f1da6df3fbea685ac8c70f6a9db86b0ebc /puppet/modules/stdlib/lib/puppet/parser/functions/to_bytes.rb | |
parent | 1e5b7380fbb9da62e08fb0644e309c0afe709331 (diff) |
git subrepo clone https://leap.se/git/puppet_stdlib puppet/modules/stdlib
subrepo:
subdir: "puppet/modules/stdlib"
merged: "7112363"
upstream:
origin: "https://leap.se/git/puppet_stdlib"
branch: "master"
commit: "7112363"
git-subrepo:
version: "0.3.0"
origin: "https://github.com/ingydotnet/git-subrepo.git"
commit: "cb2995b"
Diffstat (limited to 'puppet/modules/stdlib/lib/puppet/parser/functions/to_bytes.rb')
-rw-r--r-- | puppet/modules/stdlib/lib/puppet/parser/functions/to_bytes.rb | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/lib/puppet/parser/functions/to_bytes.rb b/puppet/modules/stdlib/lib/puppet/parser/functions/to_bytes.rb new file mode 100644 index 00000000..df490ea8 --- /dev/null +++ b/puppet/modules/stdlib/lib/puppet/parser/functions/to_bytes.rb @@ -0,0 +1,31 @@ +module Puppet::Parser::Functions + newfunction(:to_bytes, :type => :rvalue, :doc => <<-EOS + Converts the argument into bytes, for example 4 kB becomes 4096. + Takes a single string value as an argument. + These conversions reflect a layperson's understanding of + 1 MB = 1024 KB, when in fact 1 MB = 1000 KB, and 1 MiB = 1024 KiB. + EOS + ) do |arguments| + + raise(Puppet::ParseError, "to_bytes(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size != 1 + + arg = arguments[0] + + return arg if arg.is_a? Numeric + + value,prefix = */([0-9.e+-]*)\s*([^bB]?)/.match(arg)[1,2] + + value = value.to_f + case prefix + when '' then return value.to_i + when 'k' then return (value*(1<<10)).to_i + when 'M' then return (value*(1<<20)).to_i + when 'G' then return (value*(1<<30)).to_i + when 'T' then return (value*(1<<40)).to_i + when 'P' then return (value*(1<<50)).to_i + when 'E' then return (value*(1<<60)).to_i + else raise Puppet::ParseError, "to_bytes(): Unknown prefix #{prefix}" + end + end +end |