Fixes for evaluating systemd and init

Author: Dale McDiarmid

test/integration/helpers/serverspec/config_spec.rb

@@ -61,10 +61,6 @@
     it { should be_owned_by 'elasticsearch' }
   end
 
-  describe file('/etc/init.d/node1_elasticsearch') do
-    it { should be_file }
-  end
-
   #test we started on the correct port was used
   describe command('curl -s "localhost:9201"') do
     #TODO: This is returning an empty string
@@ -87,7 +83,6 @@
     end
   end
 
-
   describe file('/etc/init.d/elasticsearch') do
     it { should_not exist }
   end
@@ -108,11 +103,23 @@
     it { should_not exist }
   end
 
-  #Not copied on Debian 8
-  #describe file('/usr/lib/systemd/system/node1_elasticsearch.service') do
-  #  it { should be_file }
-  #  it { should contain 'LimitMEMLOCK=infinity' }
-  #end
 
+  #Init vs Systemd tests
+  #Ubuntu 15 and up
+  #Debian 8 and up
+  #Centos 7 and up
+
+  if ((os[:family] == 'centos' && os[:release].to_f >= 7.0) ||
+      (os[:family] == 'ubuntu' && os[:release].to_f >= 15.0) ||
+      (os[:family] == 'debian' && os[:release].to_f >= 8.0))
+    describe file('/usr/lib/systemd/system/node1_elasticsearch.service') do
+      it { should be_file }
+      it { should contain 'LimitMEMLOCK=infinity' }
+    end
+  else
+    describe file('/etc/init.d/node1_elasticsearch') do
+      it { should be_file }
+    end
+  end
 end