Add security context to init containers -- Added unit test for it (#76)

* Add security context to init containers -- Added unit test for it

* Minor cleaning

---------

Co-authored-by: Laszlo Fogas <laszlo@gimlet.io>

charts/onechart/templates/deployment.yaml

@@ -68,6 +68,10 @@ spec:
             name: {{ .name }}
           {{- end }}
           {{- end }}
+          {{if .securityContext }}
+          securityContext:
+          {{- toYaml .securityContext | nindent 12 }}
+          {{- end}}
         {{- end }}      
       containers:
         - name: {{ template "robustName" .Release.Name }}

charts/onechart/tests/deployment_initcontainers_test.yaml

@@ -27,5 +27,12 @@ tests:
           path: spec.template.spec.initContainers[0].command
           value: ['/bin/sh', '-c', 'while true; do date; sleep 2; done && ls /data && printf something']
 
-     
-  
+  - it: Should set security context
+    set:
+      initContainers:
+          - securityContext:
+              runAsNonRoot: true
+    asserts:
+      - equal:
+          path: spec.template.spec.initContainers[0].securityContext.runAsNonRoot
+          value: true