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Versions: 15
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Contents
module DnsOne; class Util
DOM_REGEX = /^[a-z0-9]+([\-\.][a-z0-9]+)*\.[a-z]{2,32}$/i
class << self
def die msg
Global.logger.fatal msg
exit 1
end
def run cmd
puts "Running #{cmd}..."
system cmd
end
def has_systemd?
File.exist?(`which systemctl`.strip) &&
File.writable?('/lib/systemd/system')
end
def ensure_sytemd
unless has_systemd?
STDERR.puts "Systemd not available. Aborting."
exit 1
end
end
def match_root stat
stat.uid == 0 && stat.gid == 0
end
def last_mod constant
constant.to_s.split('::').last
end
def const_underscore name
name = name.to_s.dup
name.gsub!('::', '/')
name.gsub!(/([A-Z\d]+)([A-Z][a-z])/,'\1_\2')
name.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
name.tr!("-", "_")
name.downcase!
name
end
def hash_to_ostruct_deep hash
os = OpenStruct.new
hash.each_pair{ |k, v|
if v.is_a? Hash
os[k] = hash_to_ostruct_deep v
else
os[k] = v
end
}
os
end
def init_logger logdev, level = Logger::WARN, shift_age = 10, shift_size = 2**20
if logdev.is_a? String
begin
FileUtils.mkdir_p File.dirname(logdev)
File.write logdev, ''
rescue => e
$stderr.puts "#{e.desc}\nCannot open log file #{logdev}. Will use STDOUT."
logdev = $stdout
end
end
l = Logger.new logdev, shift_age, shift_size
l.level = level
l
end
end
end; end
Version data entries
15 entries across 15 versions & 1 rubygems