Remove attempt to restart services via post installation script for RPM packages.

Author: nzlosh

packages/st2/rpm/postinst_script.spec

@@ -1,8 +1,4 @@
 set -e
 
 # Reload systemd to run generators for unit and socket files.
-systemctl daemon-reload >/dev/null 2>&1 || true
-
-# Enable services created by systemd generator
-systemctl enable st2api st2auth st2stream >/dev/null 2>&1  || true
-systemctl start st2api st2auth st2stream >/dev/null 2>&1  || true
+systemctl daemon-reload

packages/st2/rpm/st2.spec

@@ -85,11 +85,12 @@ Conflicts: st2common
 %pre
   %include rpm/preinst_script.spec
 
+# Execute postinst_script before start post install services so the generators have created .service and .socket files.
 %post
-  %service_post st2actionrunner st2api st2stream st2auth st2notifier st2workflowengine
+  %include rpm/postinst_script.spec
+  %service_post st2api st2stream st2auth st2actionrunner st2notifier st2workflowengine
   %service_post st2rulesengine st2timersengine st2sensorcontainer st2garbagecollector
   %service_post st2scheduler
-  %include rpm/postinst_script.spec
 
 %preun
   %service_preun st2actionrunner %{worker_name} st2api st2stream st2auth st2notifier st2workflowengine