added force option

tools/configure_server_settings.rb

@@ -9,13 +9,15 @@
          "Example (String): #{__FILE__} -d -s 1 -p reporting/history/keep_reports -v 42\n" \
          "Example (Integer): #{__FILE__} -s 1 -p workers/worker_base/queue_worker_base/ems_metrics_collector_worker/defaults/count -v 1 -t integer\n" \
          "Example (Boolean): #{__FILE__} -s 1 -p ui/mark_translated_strings -v true -t boolean\n" \
+         "Example (Symbol): #{__FILE__} -s 1 -p workers/worker_base/queue_worker_base/ems_metrics_collector_worker/defaults/poll_method -v :escalate -t symbol\n" \
          "Example (Float): #{__FILE__} -s 1 -p capacity/profile/1/vcpu_commitment_ratio -v 1.5 -t float"
 
   opt :dry_run,  "Dry Run",                                  :short => "d"
   opt :serverid, "Server Id",                                :short => "s", :type => :integer, :required => true
   opt :path,     "Path within advanced settings hash",       :short => "p", :type => :string,  :required => true
   opt :value,    "New Value for setting",                    :short => "v", :type => :string,  :required => true
-  opt :type,     "Type of value provided, #{TYPES.inspect}", :short => "t", :type => :string,  :default => "string"
+  opt :force,    "Force change value regardless of type",    :short => "f", :type => :boolean, :default  => false
+  opt :type,     "Type of value provided, #{TYPES.inspect}", :short => "t", :type => :string,  :default  => "string"
 end
 
 puts opts.inspect
@@ -25,7 +27,7 @@
 Trollop.die :value,    "is required" unless opts[:value_given]
 Trollop.die :type,     "must be one of #{TYPES.inspect}" unless TYPES.include?(opts[:type])
 
-# Grab the value that we have set
+# Grab the value that we have set and translate to appropriate var class
 case opts[:type]
 when "integer"
   newval = opts[:value].to_i
@@ -54,6 +56,15 @@
 key = keys.pop.to_sym
 keys.each { |p| path = path[p.to_sym] }
 
+# allow user to escape if the new value's class is not the same as the original,
+# such as setting a String where it was previously an Integer
+if opts[:force]
+  puts "Change [#{opts[:path]}], old class: [#{path[key].class}], new class: [#{newval.class}]"
+elsif path[key] && path[key].class != newval.class
+  STDERR.puts "The new value's class #{newval.class} does not match the prior one's #{path[key].class}.  Use -f to force update, this may break things!"
+  exit 1
+end
+
 puts "Setting [#{opts[:path]}], old value: [#{path[key]}], new value: [#{opts[:value]}]"
 path[key] = newval