test(services): fix path for debian family

test/integration/default/controls/archive_spec.rb

@@ -3,6 +3,14 @@
 control 'prometheus components' do
   title 'should be installed'
 
+  service_dir =
+    case platform[:family]
+    when 'debian'
+      '/lib/systemd/system'
+    else
+      '/usr/lib/systemd/system'
+    end
+
   # describe package('cron') do
   #   it { should be_installed }  # not available on amazonlinux?
   # end
@@ -39,7 +47,7 @@ control 'prometheus components' do
     it { should exist }
     its('group') { should eq 'prometheus' }
   end
-  describe file('/usr/lib/systemd/system/prometheus.service') do
+  describe file("#{service_dir}/prometheus.service") do
     it { should exist }
     its('group') { should eq 'root' }
     its('mode') { should cmp '0644' }
@@ -56,7 +64,7 @@ control 'prometheus components' do
     it { should exist }
     its('group') { should eq 'alertmanager' }
   end
-  describe file('/usr/lib/systemd/system/alertmanager.service') do
+  describe file("#{service_dir}/alertmanager.service") do
     it { should exist }
     its('group') { should eq 'root' }
     its('mode') { should cmp '0644' }
@@ -73,7 +81,7 @@ control 'prometheus components' do
     it { should exist }
     its('group') { should eq 'node_exporter' }
   end
-  describe file('/usr/lib/systemd/system/node_exporter.service') do
+  describe file("#{service_dir}/node_exporter.service") do
     it { should exist }
     its('group') { should eq 'root' }
     its('mode') { should cmp '0644' }

test/salt/pillar/default.sls

@@ -93,7 +93,7 @@ prometheus:
         archive:
           source_hash: b2503fd932f85f4e5baf161268854bf5d22001869b84f00fd2d1f57b51b72424
         service:
-          # name: prometheus-node-exporter
+          name: node_exporter
           args:
             web.listen-address: ":9110"
             # collector.textfile.directory: /var/tmp/node_exporter