PLT-6080 moving clustering to memberlist (#6499)

* PLT-6080 adding cluster discovery service

* Adding memberlist lib

* Adding memberlist lib

* WIP

* WIP

* WIP

* WIP

* Rolling back config changes

* Fixing make file

* Fixing config for cluster

* WIP

* Fixing system console for clustering

* Fixing default config

* Fixing config

* Fixing system console for clustering

* Tweaking hub setting

* Bumping up time

* merging vendor dir

* Updating vendor dir

* Fixing unit test

* Fixing bad merge

* Remove some testing code

* Moving comment

* PLT-6868 adding db ping retry

* Removing unused loc strings

* Adding defer to cancel

model/utils_test.go

@@ -193,6 +193,12 @@ func TestIsValidAlphaNum(t *testing.T) {
 	}
 }
 
+func TestGetServerIpAddress(t *testing.T) {
+	if len(GetServerIpAddress()) == 0 {
+		t.Fatal("Should find local ip address")
+	}
+}
+
 func TestIsValidAlphaNumHyphenUnderscore(t *testing.T) {
 	casesWithFormat := []struct {
 		Input  string