Fixes Issue #538 (#539)

* Adds openshift to autodetect node type

* detect okd node units

* OCP fixes

cmd/common.go

@@ -90,7 +90,7 @@ func runChecks(nodetype check.NodeType, testYamlFile string) {
 
 	// Checks that the executables we need for the section are running.
 	if err != nil {
-		exitWithError(err)
+		exitWithError(fmt.Errorf("failed to get a set of executables needed for tests: %v", err))
 	}
 
 	confmap := getFiles(typeConf, "config")
@@ -229,7 +229,7 @@ func loadConfig(nodetype check.NodeType) string {
 
 	benchmarkVersion, err := getBenchmarkVersion(kubeVersion, benchmarkVersion, viper.GetViper())
 	if err != nil {
-		exitWithError(err)
+		exitWithError(fmt.Errorf("failed to get benchMark version: %v", err))
 	}
 
 	path, err := getConfigFilePath(benchmarkVersion, file)

cmd/run.go

@@ -29,12 +29,12 @@ var runCmd = &cobra.Command{
 	Run: func(cmd *cobra.Command, args []string) {
 		targets, err := cmd.Flags().GetStringSlice("targets")
 		if err != nil {
-			exitWithError(err)
+			exitWithError(fmt.Errorf("unable to get `targets` from command line :%v", err))
 		}
 
 		benchmarkVersion, err := getBenchmarkVersion(kubeVersion, benchmarkVersion, viper.GetViper())
 		if err != nil {
-			exitWithError(err)
+			exitWithError(fmt.Errorf("unable to get benchmark version. error: %v", err))
 		}
 
 		glog.V(2).Infof("Checking targets %v for %v", targets, benchmarkVersion)