[MM-31085] Create a db init command to initialize the database (#16489)

Automatic Merge

config/store.go

@@ -6,7 +6,6 @@ package config
 import (
 	"bytes"
 	"encoding/json"
-	"strings"
 	"sync"
 
 	"github.com/mattermost/mattermost-server/v5/model"
@@ -83,7 +82,7 @@ func NewStoreFromBacking(backingStore BackingStore, customDefaults *model.Config
 }
 
 func getBackingStore(dsn string, watch bool) (BackingStore, error) {
-	if strings.HasPrefix(dsn, "mysql://") || strings.HasPrefix(dsn, "postgres://") {
+	if IsDatabaseDSN(dsn) {
 		return NewDatabaseStore(dsn)
 	}
 

config/utils.go

@@ -173,6 +173,10 @@ func Merge(cfg *model.Config, patch *model.Config, mergeConfig *utils.MergeConfi
 	return &retCfg, nil
 }
 
+func IsDatabaseDSN(dsn string) bool {
+	return strings.HasPrefix(dsn, "mysql://") || strings.HasPrefix(dsn, "postgres://")
+}
+
 // stripPassword remove the password from a given DSN
 func stripPassword(dsn, schema string) string {
 	prefix := schema + "://"

config/utils_test.go

@@ -145,6 +145,51 @@ func TestFixInvalidLocales(t *testing.T) {
 	assert.Contains(t, *cfg.LocalizationSettings.AvailableLocales, *cfg.LocalizationSettings.DefaultClientLocale, "DefaultClientLocale should have been added to AvailableLocales")
 }
 
+func TestIsDatabaseDSN(t *testing.T) {
+	testCases := []struct {
+		Name     string
+		DSN      string
+		Expected bool
+	}{
+		{
+			Name:     "Mysql DSN",
+			DSN:      "mysql://localhost",
+			Expected: true,
+		},
+		{
+			Name:     "Mysql DSN",
+			DSN:      "mysql://localhost",
+			Expected: true,
+		},
+		{
+			Name:     "Empty DSN",
+			DSN:      "",
+			Expected: false,
+		},
+		{
+			Name:     "Default file DSN",
+			DSN:      "config.json",
+			Expected: false,
+		},
+		{
+			Name:     "Relative path DSN",
+			DSN:      "configuration/config.json",
+			Expected: false,
+		},
+		{
+			Name:     "Absolute path DSN",
+			DSN:      "/opt/mattermost/configuration/config.json",
+			Expected: false,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.Name, func(t *testing.T) {
+			assert.Equal(t, tc.Expected, IsDatabaseDSN(tc.DSN))
+		})
+	}
+}
+
 func TestStripPassword(t *testing.T) {
 	for name, test := range map[string]struct {
 		DSN         string