add upstart init

recipes/_service.rb

@@ -133,13 +133,22 @@
 
 case node['consul']['init_style']
 when 'init'
+  if platform?("ubuntu")
+    init_file = '/etc/init/consul.conf'
+    init_tmpl = 'consul.conf.erb'
+  else
+    init_file = '/etc/init.d/consul'
+    init_tmpl = 'consul-init.erb'
+  end
+
   template node['consul']['etc_config_dir'] do
     source 'consul-sysconfig.erb'
     mode 0755
-    notifies :create, 'template[/etc/init.d/consul]', :immediately
+    notifies :create, "template[#{init_file}]", :immediately
   end
-  template '/etc/init.d/consul' do
-    source 'consul-init.erb'
+
+  template init_file do
+    source init_tmpl
     mode 0755
     variables(
       consul_binary: "#{node['consul']['install_dir']}/consul",
@@ -149,6 +158,7 @@
   end
 
   service 'consul' do
+    provider Chef::Provider::Service::Upstart if platform?("ubuntu")
     supports status: true, restart: true, reload: true
     action [:enable, :start]
     subscribes :restart, "file[#{consul_config_filename}", :delayed

spec/unit/recipes/_service_spec.rb

@@ -18,22 +18,22 @@
         .with(group: 'root')
         .with(mode: 0600)
     end
-    it do
-      expect(chef_run).to create_template('/etc/init.d/consul')
-        .with(source: 'consul-init.erb')
-        .with(mode: 0755)
-    end
     it do
       expect(chef_run).to enable_service('consul')
         .with(supports: {status: true, restart: true, reload: true})
       expect(chef_run).to start_service('consul')
     end
   end
 
-  context 'config on centos' do
+  context 'init on centos' do
     let(:chef_run) do
       ChefSpec::Runner.new(platform: 'centos', version: '6.3').converge(described_recipe)
     end
+    it do
+      expect(chef_run).to create_template('/etc/init.d/consul')
+        .with(source: 'consul-init.erb')
+        .with(mode: 0755)
+    end
     it do
       expect(chef_run).to create_template('/etc/sysconfig/consul')
         .with(source: 'consul-sysconfig.erb')
@@ -44,10 +44,15 @@
     end
   end
 
-  context 'config on ubuntu' do
+  context 'init on ubuntu' do
     let(:chef_run) do
       ChefSpec::Runner.new(platform: 'ubuntu', version: '14.04').converge(described_recipe)
     end
+    it do
+      expect(chef_run).to create_template('/etc/init/consul.conf')
+        .with(source: 'consul.conf.erb')
+        .with(mode: 0755)
+    end
     it do
       expect(chef_run).to create_template('/etc/default/consul')
         .with(source: 'consul-sysconfig.erb')

templates/default/consul.conf.erb

@@ -0,0 +1,20 @@
+description "Consul Service Discovery Platform"
+
+emits consul-up
+
+start on runlevel [2345]
+stop on runlevel [!2345]
+
+script
+  if [ -f <%= node['consul']['etc_config_dir'] %> ]; then
+    . <%= node['consul']['etc_config_dir'] %>
+  fi
+  export GOMAXPROCS=${GOMAXPROCS}
+  CMD="<%= @consul_binary %> agent -config-dir <%= @config_dir %>"
+  LOGFILE="/var/log/consul.log"
+  exec $CMD >> "$LOGFILE"
+end script
+
+post-start exec initctl emit consul-up
+
+kill signal INT