diff options
| -rw-r--r-- | lib/custodian/util/ping.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/custodian/util/ping.rb b/lib/custodian/util/ping.rb index 86fa2ab..9abc746 100644 --- a/lib/custodian/util/ping.rb +++ b/lib/custodian/util/ping.rb @@ -25,6 +25,10 @@ module Custodian # Save the hostname away, resolve it if possible. # def initialize( hostname ) + + raise ArgumentError, "Hostname must not be nil" if ( hostname.nil? ) + raise ArgumentError, "Hostname must be a String" unless hostname.kind_of?( String ) + @hostname = hostname @resolved = Custodian::Util::DNS.hostname_to_ip( hostname ) end |