Merge pull request #17072 from sjug/cl_param_fix

Automatic merge from submit-queue (batch tested with PRs 17072, 17616).

Remove hardcoded fields for parameter substitution configuration in Cluster Loader

Fixes #17068

This should enable us to remove `fatih/structs` as a vendor dep as well.

Author: openshift-merge-robot

Diff for: glide.lock

@@ -92,15 +92,15 @@ var _ = g.Describe("[Feature:Performance][Serial][Slow] Load cluster", func() {
 					}
 					allArgs = append(allArgs, templateObj.Name)
 
-					if template.Parameters == (ParameterConfigType{}) {
-						e2e.Logf("Pod environment variables will not be modified.")
+					if template.Parameters == nil {
+						e2e.Logf("Template environment variables will not be modified.")
 					} else {
 						params := convertVariablesToString(template.Parameters)
 						allArgs = append(allArgs, params...)
 					}
 
 					config, err := oc.AdminTemplateClient().Template().Templates(nsName).Create(templateObj)
-					e2e.Logf("Template %v created, config: %+v", templateObj.Name, config)
+					e2e.Logf("Template %v created, arguments: %v, config: %+v", templateObj.Name, allArgs, config)
 
 					err = oc.SetNamespace(nsName).Run("new-app").Args(allArgs...).Execute()
 					o.Expect(err).NotTo(o.HaveOccurred())
@@ -110,7 +110,7 @@ var _ = g.Describe("[Feature:Performance][Serial][Slow] Load cluster", func() {
 					// Parse Pod file into struct
 					config := ParsePods(mkPath(pod.File))
 					// Check if environment variables are defined in CL config
-					if pod.Parameters == (ParameterConfigType{}) {
+					if pod.Parameters == nil {
 						e2e.Logf("Pod environment variables will not be modified.")
 					} else {
 						// Override environment variables for Pod using ConfigMap

Diff for: test/extended/cluster/cl.go

@@ -33,16 +33,7 @@ type ClusterLoaderObjectType struct {
 	Image      string
 	Basename   string
 	File       string
-	Parameters ParameterConfigType
-}
-
-// ParameterConfigType contains config parameters for each object
-type ParameterConfigType struct {
-	Run         string `mapstructure:"run"`
-	RouterIP    string `mapstructure:"router_ip"`
-	TargetHost  string `mapstructure:"target_host"`
-	DurationSec int    `mapstructure:"duration"`
-	Megabytes   int
+	Parameters map[string]interface{}
 }
 
 // TuningSetType is nested type for controlling Cluster Loader deployment pattern

Diff for: test/extended/cluster/context.go

@@ -13,8 +13,6 @@ import (
 	"time"
 	"unicode"
 
-	"github.com/fatih/structs"
-
 	kapiv1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
@@ -165,10 +163,9 @@ func firstLowercase(s string) string {
 }
 
 // convertVariables takes our loaded struct and converts it into a map[string]string.
-func convertVariablesToMap(params ParameterConfigType) map[string]string {
-	m := structs.Map(params)
+func convertVariablesToMap(params map[string]interface{}) map[string]string {
 	values := make(map[string]string)
-	for k, v := range m {
+	for k, v := range params {
 		k = firstLowercase(k)
 		if v != 0 && v != "" {
 			if _, ok := v.(int); ok {
@@ -181,9 +178,8 @@ func convertVariablesToMap(params ParameterConfigType) map[string]string {
 	return values
 }
 
-func convertVariablesToString(params ParameterConfigType) (args []string) {
-	m := structs.Map(params)
-	for k, v := range m {
+func convertVariablesToString(params map[string]interface{}) (args []string) {
+	for k, v := range params {
 		k = strings.ToUpper(k)
 		if v != 0 && v != "" {
 			args = append(args, "-p")
@@ -194,7 +190,7 @@ func convertVariablesToString(params ParameterConfigType) (args []string) {
 }
 
 // InjectConfigMap modifies the pod struct and replaces the environment variables.
-func InjectConfigMap(c kclientset.Interface, ns string, vars ParameterConfigType, config kapiv1.Pod) string {
+func InjectConfigMap(c kclientset.Interface, ns string, vars map[string]interface{}, config kapiv1.Pod) string {
 	configMapName := ns + "-configmap"
 	freshConfigVars := convertVariablesToMap(vars)
 	dirtyConfigVars := getClusterData(c, freshConfigVars)