Merge pull request #23 from opscode/ryan/fire_and_forget

Add --no-wait option to asynchronously start multiple jobs

README.rdoc

@@ -44,6 +44,10 @@ The maximum amount of time (in seconds) by which a job must complete, before it
 The minimum number of nodes that match the search criteria, are available, and acknowledge the job request. This can be expressed as a
 percentage (e.g. 50%) or as an absolute number of nodes (e.g. 145). Default value: 100%
 
+  -b --no-wait
+
+Exit immediately after starting a job instead of waiting for it to complete.
+
 == Examples
 For example, to search for nodes assigned the role “webapp”, and where 90% of those nodes must be available, enter:
 

knife-push.gemspec

@@ -19,6 +19,7 @@ Gem::Specification.new do |s|
   # s.add_dependency "mixlib-cli", ">= 1.2.2"
 
   s.add_dependency 'chef', '>= 11.10.4'
+  s.add_development_dependency 'rspec'
   s.require_path = 'lib'
   s.files = %w(LICENSE README.rdoc Rakefile) + Dir.glob("{lib,spec}/**/*")
 end

lib/chef/knife/job_start.rb

@@ -43,6 +43,13 @@ class JobStart < Chef::Knife
             :required => false,
             :description => 'Solr query for list of job candidates.'
 
+      option :nowait,
+        :long => '--no-wait',
+        :short => '-b',
+        :boolean => true,
+        :default => false,
+        :description => "Rather than waiting for each job to complete, exit immediately after starting the job."
+
       def run
         @node_names = []
 
@@ -85,6 +92,7 @@ def run
         result = rest.post_rest('pushy/jobs', job_json)
         job_uri = result['uri']
         puts "Started.  Job ID: #{job_uri[-32,32]}"
+        exit(0) if config[:nowait]
         previous_state = "Initialized."
         begin
           sleep(0.1)