Cleanup vmfloaty library and command line functions

lib/vmfloaty/utils.rb

@@ -0,0 +1,50 @@
+
+require 'vmfloaty/pooler'
+
+class Utils
+  # TODO: Takes the json response body from an HTTP GET
+  # request and "pretty prints" it
+  def self.format_hosts(hostname_hash)
+    host_hash = {}
+
+    hostname_hash.delete("ok")
+    hostname_hash.each do |type, hosts|
+      if type == "domain"
+        host_hash[type] = hosts
+      else
+        host_hash[type] = hosts["hostname"]
+      end
+    end
+
+    host_hash.to_json
+  end
+
+  def self.generate_os_hash(os_args)
+    # expects args to look like:
+    # ["centos", "debian=5", "windows=1"]
+
+    # Build vm hash where
+    #
+    #  [operating_system_type1 -> total,
+    #   operating_system_type2 -> total,
+    #   ...]
+    os_types = {}
+    os_args.each do |arg|
+      os_arr = arg.split("=")
+      if os_arr.size == 1
+        # assume they didn't specify an = sign if split returns 1 size
+        os_types[os_arr[0]] = 1
+      else
+        os_types[os_arr[0]] = os_arr[1].to_i
+      end
+    end
+    os_types
+  end
+
+  def self.prettyprint_hosts(hosts)
+    puts "Running VMs:"
+    running_vms.each do |vm|
+      puts "- #{vm}"
+    end
+  end
+end