class Bosh::Director::Canonicalizer
Public Class Methods
canonicalize(string, opts = {})
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# File lib/bosh/director/dns/canonicalizer.rb, line 4 def self.canonicalize(string, opts = {}) # a-z, 0-9, -, case insensitive, and must start with a letter string = string.downcase.gsub(/_/, "-") if opts[:allow_dots] string = string.gsub(/[^a-z0-9\-\.]/, "") else string = string.gsub(/[^a-z0-9\-]/, "") end validate_dns_name(string) end
validate_dns_name(string)
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# File lib/bosh/director/dns/canonicalizer.rb, line 16 def self.validate_dns_name(string) if string =~ /^(\d|-)/ raise DnsInvalidCanonicalName, "Invalid DNS canonical name '#{string}', must begin with a letter" end if string =~ /-$/ raise DnsInvalidCanonicalName, "Invalid DNS canonical name '#{string}', can't end with a hyphen" end string end