change salt upgrade process

salt/salt/minion.sls

@@ -39,11 +39,17 @@ unhold_salt_packages:
 
 install_salt_minion:
   cmd.run:
-    - name: |
-        exec 0>&- # close stdin
-        exec 1>&- # close stdout
-        exec 2>&- # close stderr
-        nohup /bin/sh -c '{{ UPGRADECOMMAND }}' &
+    - name: /bin/sh -c '{{ UPGRADECOMMAND }}'
+
+# minion service is in failed state after upgrade. this command will start it after the state run for the upgrade completes
+start_minion:
+  cmd.run:
+    - name: nohup /bin/sh -c 'sleep 30; systemctl start salt-minion' &
+    - require:
+      - cmd: install_salt_minion
+    - watch:
+      - cmd: install_salt_minion
+    - order: last
 
 {% endif %}