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

store/sql_cluster_discovery_store_test.go

@@ -0,0 +1,201 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package store
+
+import (
+	"testing"
+
+	"time"
+
+	"github.com/mattermost/platform/model"
+)
+
+func TestSqlClusterDiscoveryStore(t *testing.T) {
+	Setup()
+
+	discovery := &model.ClusterDiscovery{
+		ClusterName: "cluster_name",
+		Hostname:    "hostname" + model.NewId(),
+		Type:        "test_test",
+	}
+
+	if result := <-store.ClusterDiscovery().Save(discovery); result.Err != nil {
+		t.Fatal(result.Err)
+	}
+
+	if result := <-store.ClusterDiscovery().Cleanup(); result.Err != nil {
+		t.Fatal(result.Err)
+	}
+}
+
+func TestSqlClusterDiscoveryStoreDelete(t *testing.T) {
+	Setup()
+
+	discovery := &model.ClusterDiscovery{
+		ClusterName: "cluster_name",
+		Hostname:    "hostname" + model.NewId(),
+		Type:        "test_test",
+	}
+
+	if result := <-store.ClusterDiscovery().Save(discovery); result.Err != nil {
+		t.Fatal(result.Err)
+	}
+
+	if result := <-store.ClusterDiscovery().Delete(discovery); result.Err != nil {
+		t.Fatal(result.Err)
+	}
+}
+
+func TestSqlClusterDiscoveryStoreLastPing(t *testing.T) {
+	Setup()
+
+	discovery := &model.ClusterDiscovery{
+		ClusterName: "cluster_name_lastPing",
+		Hostname:    "hostname" + model.NewId(),
+		Type:        "test_test_lastPing" + model.NewId(),
+	}
+
+	if result := <-store.ClusterDiscovery().Save(discovery); result.Err != nil {
+		t.Fatal(result.Err)
+	}
+
+	if result := <-store.ClusterDiscovery().SetLastPingAt(discovery); result.Err != nil {
+		t.Fatal(result.Err)
+	}
+
+	ttime := model.GetMillis()
+
+	time.Sleep(1 * time.Second)
+
+	if result := <-store.ClusterDiscovery().SetLastPingAt(discovery); result.Err != nil {
+		t.Fatal(result.Err)
+	}
+
+	if result := <-store.ClusterDiscovery().GetAll(discovery.Type, "cluster_name_lastPing"); result.Err != nil {
+		t.Fatal(result.Err)
+	} else {
+		list := result.Data.([]*model.ClusterDiscovery)
+
+		if len(list) != 1 {
+			t.Fatal("should only be 1 items")
+			return
+		}
+
+		if list[0].LastPingAt-ttime < 500 {
+			t.Fatal("failed to set time")
+		}
+	}
+
+	discovery2 := &model.ClusterDiscovery{
+		ClusterName: "cluster_name_missing",
+		Hostname:    "hostname" + model.NewId(),
+		Type:        "test_test_missing",
+	}
+
+	if result := <-store.ClusterDiscovery().SetLastPingAt(discovery2); result.Err != nil {
+		t.Fatal(result.Err)
+	}
+}
+
+func TestSqlClusterDiscoveryStoreExists(t *testing.T) {
+	Setup()
+
+	discovery := &model.ClusterDiscovery{
+		ClusterName: "cluster_name_Exists",
+		Hostname:    "hostname" + model.NewId(),
+		Type:        "test_test_Exists" + model.NewId(),
+	}
+
+	if result := <-store.ClusterDiscovery().Save(discovery); result.Err != nil {
+		t.Fatal(result.Err)
+	}
+
+	if result := <-store.ClusterDiscovery().Exists(discovery); result.Err != nil {
+		t.Fatal(result.Err)
+	} else {
+		val := result.Data.(bool)
+		if !val {
+			t.Fatal("should be true")
+		}
+	}
+
+	discovery.ClusterName = "cluster_name_Exists2"
+
+	if result := <-store.ClusterDiscovery().Exists(discovery); result.Err != nil {
+		t.Fatal(result.Err)
+	} else {
+		val := result.Data.(bool)
+		if val {
+			t.Fatal("should be true")
+		}
+	}
+}
+
+func TestSqlClusterDiscoveryGetStore(t *testing.T) {
+	Setup()
+
+	testType1 := model.NewId()
+
+	discovery1 := &model.ClusterDiscovery{
+		ClusterName: "cluster_name",
+		Hostname:    "hostname1",
+		Type:        testType1,
+	}
+	Must(store.ClusterDiscovery().Save(discovery1))
+
+	discovery2 := &model.ClusterDiscovery{
+		ClusterName: "cluster_name",
+		Hostname:    "hostname2",
+		Type:        testType1,
+	}
+	Must(store.ClusterDiscovery().Save(discovery2))
+
+	discovery3 := &model.ClusterDiscovery{
+		ClusterName: "cluster_name",
+		Hostname:    "hostname3",
+		Type:        testType1,
+		CreateAt:    1,
+		LastPingAt:  1,
+	}
+	Must(store.ClusterDiscovery().Save(discovery3))
+
+	testType2 := model.NewId()
+
+	discovery4 := &model.ClusterDiscovery{
+		ClusterName: "cluster_name",
+		Hostname:    "hostname1",
+		Type:        testType2,
+	}
+	Must(store.ClusterDiscovery().Save(discovery4))
+
+	if result := <-store.ClusterDiscovery().GetAll(testType1, "cluster_name"); result.Err != nil {
+		t.Fatal(result.Err)
+	} else {
+		list := result.Data.([]*model.ClusterDiscovery)
+
+		if len(list) != 2 {
+			t.Fatal("Should only have returned 2")
+		}
+	}
+
+	if result := <-store.ClusterDiscovery().GetAll(testType2, "cluster_name"); result.Err != nil {
+		t.Fatal(result.Err)
+	} else {
+		list := result.Data.([]*model.ClusterDiscovery)
+
+		if len(list) != 1 {
+			t.Fatal("Should only have returned 1")
+		}
+	}
+
+	if result := <-store.ClusterDiscovery().GetAll(model.NewId(), "cluster_name"); result.Err != nil {
+		t.Fatal(result.Err)
+	} else {
+		list := result.Data.([]*model.ClusterDiscovery)
+
+		if len(list) != 0 {
+			t.Fatal("shouldn't be any")
+		}
+	}
+}