Use go template for hostPort check (#474)

* Use go template for hostPort check

* Address comments 1

Author: sebrandon1

pkg/tnf/testcases/data/cnf/privilegedpod.go

@@ -17,6 +17,7 @@
 package cnf
 
 // PrivilegedPodJSON test templates for privileged pods
+//nolint:lll
 var PrivilegedPodJSON = string(`{
   "testcase": [
     {
@@ -33,7 +34,7 @@ var PrivilegedPodJSON = string(`{
       "name": "HOST_PORT_CHECK",
       "skiptest": true,
       "loop": 1,
-      "command": "oc get pod %s -n %s -o json | jq -r '.spec.containers[%d] | select(.ports) | .ports[].hostPort'",
+      "command": "oc get pod %s -n %s -o go-template='{{$putName := .metadata.name}}{{$cut := (index .spec.containers %d)}}{{range $cut.ports }}{{if .hostPort}}PUT {{$putName}} - CUT {{$cut.name}} has declared hostPort {{.hostPort}}{{\"\\n\"}}{{end}}{{end}}'",
       "action": "allow",
       "expectedstatus": [
         "^(<no value>)*$"

pkg/tnf/testcases/files/cnf/privilegedpod.yml

@@ -10,7 +10,7 @@ testcase:
   - name: HOST_PORT_CHECK
     skiptest: true
     loop: 0
-    command: "oc get pod %s -n %s -o json | jq -r '.spec.containers[%d] | select(.ports) | .ports[].hostPort'"
+    command: "oc get pod %s -n %s -o go-template='{{$putName := .metadata.name}}{{$cut := (index .spec.containers %d)}}{{range $cut.ports }}{{if .hostPort}}PUT {{$putName}} - CUT {{$cut.name}} has declared hostPort {{.hostPort}}{{\"\\n\"}}{{end}}{{end}}'"
     action: allow
     expectedType: "regex"
     expectedstatus: