Fix getting node name

Change-Id: Id34db7684a132a3e5eb108b4d5e925714e3b1fec

main.go

@@ -64,7 +64,7 @@ func main() {
 			"node.vexxhost.com/product": slug.Make(product.Name),
 		}
 
-		if checkComputeNode() {
+		if CheckComputeNode(nodeName) {
 			labels["node-role.openstack.org"] = "compute"
 		}
 
@@ -91,26 +91,15 @@ func main() {
 	}
 }
 
-// checkComputeNode checks if the current node is a compute node.
-func checkComputeNode() bool {
-
-	hostname, err := os.Hostname()
-	if err != nil {
-		log.Fatal(err.Error())
-	}
-	// Now there is only one check logic for now using hostname
-	return CheckComputeSubstring(hostname)
-}
-
-// checkComputeSubstring checks if the string includes compute substring.
-func CheckComputeSubstring(label string) bool {
+// checkComputeSubstring checks if the node name includes compute substring.
+func CheckComputeNode(nodeName string) bool {
 	compute_tag := []string{
 		"kvm",
 		"compute",
 	}
 
 	for _, sub := range compute_tag {
-		if strings.Contains(label, sub) {
+		if strings.Contains(nodeName, sub) {
 			return true
 		}
 	}

units_test.go

@@ -6,28 +6,28 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func assertCheckComputeSubstring(t *testing.T, label string, expected bool) {
-	res := CheckComputeSubstring(label)
+func assertCheckComputeNode(t *testing.T, label string, expected bool) {
+	res := CheckComputeNode(label)
 	assert.Equal(t, expected, res)
 }
 
 func TestCheckComputeSubstringWithkvmHostname(t *testing.T) {
 	hostname := string("kvm10.specterops.iad1.vexxhost.net")
 	expected := bool(true)
-	assertCheckComputeSubstring(t, hostname, expected)
+	assertCheckComputeNode(t, hostname, expected)
 
 }
 
-func TestCheckComputeSubstringWithcomputeHostname(t *testing.T) {
+func TestCheckComputeNodeWithcomputeHostname(t *testing.T) {
 	hostname := string("compute.specterops.iad1.vexxhost.net")
 	expected := bool(true)
-	assertCheckComputeSubstring(t, hostname, expected)
+	assertCheckComputeNode(t, hostname, expected)
 
 }
 
-func TestCheckComputeSubstringWithNoneComputeHostname(t *testing.T) {
+func TestCheckComputeNodeWithNoneComputeHostname(t *testing.T) {
 	hostname := string("ctl1.specterops.iad1.vexxhost.net")
 	expected := bool(false)
-	assertCheckComputeSubstring(t, hostname, expected)
+	assertCheckComputeNode(t, hostname, expected)
 
 }