lib/gogetit/util.rb in gogetit-0.2.1 vs lib/gogetit/util.rb in gogetit-0.3.0

@@ -89,11 +89,11 @@
 		    thing
 		  end
 		end
 
     def wait_until_available(fqdn, logger)
-      until ping_available?(fqdn)
+      until ping_available?(fqdn, logger)
         logger.info("Calling <#{__method__.to_s}> for ping to be ready..")
         sleep 3
       end
       logger.info("#{fqdn} is now available to ping..")
 
@@ -102,19 +102,35 @@
         sleep 3
       end
       logger.info("#{fqdn} is now available to ssh..")
     end
 
-    def ping_available?(fqdn)
-      `ping -c 1 -W 1 #{fqdn}`
+    def ping_available?(host, logger)
+      # host can be both IP and FQDN.
+      logger.info("Calling <#{__method__.to_s}> for #{host}")
+      `ping -c 1 -W 1 #{host}`
       $?.exitstatus == 0
     end
 
     def ssh_available?(fqdn, user)
       begin
         Net::SSH.start(fqdn, user).class
       rescue Exception => e
         puts e
       end
     end
+
+    def check_ip_available(addresses, maas, logger)
+      logger.info("Calling <#{__method__.to_s}>")
+      # to do a ping test
+      addresses.each do |ip|
+        abort("#{ip} is already being used.") if ping_available?(ip, logger)
+      end
+      # to check with MAAS
+      ifaces = maas.ip_reserved?(addresses)
+      abort("one of #{addresses.join(', ')} is already being used.") \
+        unless ifaces
+      return ifaces
+    end
+
   end
 end