Check if versionConfigPath, auto gen provider versions if the config …

…path existing.

cli/bpmetadata/int-test/goldens/golden-metadata.yaml

@@ -250,7 +250,7 @@ spec:
       - compute.googleapis.com
       - serviceusage.googleapis.com
     providerVersions:
-      - source: hashicorp/google
-        version: ">= 4.42, < 5.0"
       - source: hashicorp/random
         version: ">= 2.1"
+      - source: hashicorp/google
+        version: ">= 4.42, < 5.0"

cli/bpmetadata/tfconfig.go

@@ -310,23 +310,30 @@ func getBlueprintRequirements(rolesConfigPath, servicesConfigPath, versionsConfi
 		return nil, err
 	}
 
-	//parse blueprint provider versions
-	versionsFile, diags := p.ParseHCLFile(versionsConfigPath)
-	err = hasHclErrors(diags)
-	if err != nil {
-		return nil, err
-	}
+	if versionsConfigPath != "" {
+		//parse blueprint provider versions
+		versionsFile, diags := p.ParseHCLFile(versionsConfigPath)
+		err = hasHclErrors(diags)
+		if err != nil {
+			return nil, err
+		}
 
-	v, err := parseBlueprintProviderVersions(versionsFile)
-	if err != nil {
-		return nil, err
-	}
+		v, err := parseBlueprintProviderVersions(versionsFile)
+		if err != nil {
+			return nil, err
+		}
 
-	return &BlueprintRequirements{
-		Roles:            r,
-		Services:         s,
-		ProviderVersions: v,
-	}, nil
+		return &BlueprintRequirements{
+			Roles:            r,
+			Services:         s,
+			ProviderVersions: v,
+		}, nil
+	} else {
+		return &BlueprintRequirements{
+			Roles:    r,
+			Services: s,
+		}, nil
+	}
 }
 
 // parseBlueprintRoles gets the roles required for the blueprint to be provisioned