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-rw-r--r--lib/puppet/parser/functions/validate_ip_address.rb50
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/validate_ip_address.rb b/lib/puppet/parser/functions/validate_ip_address.rb
new file mode 100644
index 0000000..c0baf82
--- /dev/null
+++ b/lib/puppet/parser/functions/validate_ip_address.rb
@@ -0,0 +1,50 @@
+module Puppet::Parser::Functions
+
+ newfunction(:validate_ip_address, :doc => <<-ENDHEREDOC
+ Validate that all values passed are valid IP addresses,
+ regardless they are IPv4 or IPv6
+ Fail compilation if any value fails this check.
+ The following values will pass:
+ $my_ip = "1.2.3.4"
+ validate_ip_address($my_ip)
+ validate_bool("8.8.8.8", "172.16.0.1", $my_ip)
+
+ $my_ip = "3ffe:505:2"
+ validate_ip_address(1)
+ validate_ip_address($my_ip)
+ validate_bool("fe80::baf6:b1ff:fe19:7507", $my_ip)
+
+ The following values will fail, causing compilation to abort:
+ $some_array = [ 1, true, false, "garbage string", "3ffe:505:2" ]
+ validate_ip_address($some_array)
+ ENDHEREDOC
+ ) do |args|
+
+ require "ipaddr"
+ rescuable_exceptions = [ ArgumentError ]
+
+ if defined?(IPAddr::InvalidAddressError)
+ rescuable_exceptions << IPAddr::InvalidAddressError
+ end
+
+ unless args.length > 0 then
+ raise Puppet::ParseError, ("validate_ip_address(): wrong number of arguments (#{args.length}; must be > 0)")
+ end
+
+ args.each do |arg|
+ unless arg.is_a?(String)
+ raise Puppet::ParseError, "#{arg.inspect} is not a string."
+ end
+
+ begin
+ unless IPAddr.new(arg).ipv4? or IPAddr.new(arg).ipv6?
+ raise Puppet::ParseError, "#{arg.inspect} is not a valid IP address."
+ end
+ rescue *rescuable_exceptions
+ raise Puppet::ParseError, "#{arg.inspect} is not a valid IP address."
+ end
+ end
+
+ end
+
+end