cache enabled option, cache hosts data if only enabled

config/config.go

@@ -91,6 +91,7 @@ type ServerConfig struct {
 	Environment                string        `yaml:"environment"`
 	JwtValidityDuration        time.Duration `yaml:"jwt_validity_duration"`
 	RacAutoDisable             bool          `yaml:"rac_auto_disable"`
+	CacheEnabled               bool          `yaml:"caching_enabled"`
 }
 
 // SQLConfig - Generic SQL Config

logic/hosts.go

@@ -81,16 +81,21 @@ const (
 
 // GetAllHosts - returns all hosts in flat list or error
 func GetAllHosts() ([]models.Host, error) {
-	currHosts := getHostsFromCache()
-	if len(currHosts) != 0 {
-		return currHosts, nil
+	var currHosts []models.Host
+	if servercfg.CacheEnabled() {
+		currHosts := getHostsFromCache()
+		if len(currHosts) != 0 {
+			return currHosts, nil
+		}
 	}
 	records, err := database.FetchRecords(database.HOSTS_TABLE_NAME)
 	if err != nil && !database.IsEmptyRecord(err) {
 		return nil, err
 	}
 	currHostsMap := make(map[string]models.Host)
-	defer loadHostsIntoCache(currHostsMap)
+	if servercfg.CacheEnabled() {
+		defer loadHostsIntoCache(currHostsMap)
+	}
 	for k := range records {
 		var h models.Host
 		err = json.Unmarshal([]byte(records[k]), &h)
@@ -116,16 +121,20 @@ func GetAllHostsAPI(hosts []models.Host) []models.ApiHost {
 
 // GetHostsMap - gets all the current hosts on machine in a map
 func GetHostsMap() (map[string]models.Host, error) {
-	hostsMap := getHostsMapFromCache()
-	if len(hostsMap) != 0 {
-		return hostsMap, nil
+	if servercfg.CacheEnabled() {
+		hostsMap := getHostsMapFromCache()
+		if len(hostsMap) != 0 {
+			return hostsMap, nil
+		}
 	}
 	records, err := database.FetchRecords(database.HOSTS_TABLE_NAME)
 	if err != nil && !database.IsEmptyRecord(err) {
 		return nil, err
 	}
 	currHostMap := make(map[string]models.Host)
-	defer loadHostsIntoCache(currHostMap)
+	if servercfg.CacheEnabled() {
+		defer loadHostsIntoCache(currHostMap)
+	}
 	for k := range records {
 		var h models.Host
 		err = json.Unmarshal([]byte(records[k]), &h)
@@ -140,8 +149,10 @@ func GetHostsMap() (map[string]models.Host, error) {
 
 // GetHost - gets a host from db given id
 func GetHost(hostid string) (*models.Host, error) {
-	if host, ok := getHostFromCache(hostid); ok {
-		return &host, nil
+	if servercfg.CacheEnabled() {
+		if host, ok := getHostFromCache(hostid); ok {
+			return &host, nil
+		}
 	}
 	record, err := database.FetchRecord(database.HOSTS_TABLE_NAME, hostid)
 	if err != nil {
@@ -152,7 +163,10 @@ func GetHost(hostid string) (*models.Host, error) {
 	if err = json.Unmarshal([]byte(record), &h); err != nil {
 		return nil, err
 	}
-	storeHostInCache(h)
+	if servercfg.CacheEnabled() {
+		storeHostInCache(h)
+	}
+
 	return &h, nil
 }
 
@@ -265,7 +279,10 @@ func UpsertHost(h *models.Host) error {
 	if err != nil {
 		return err
 	}
-	storeHostInCache(*h)
+	if servercfg.CacheEnabled() {
+		storeHostInCache(*h)
+	}
+
 	return nil
 }
 
@@ -289,8 +306,10 @@ func RemoveHost(h *models.Host, forceDelete bool) error {
 	if err != nil {
 		return err
 	}
+	if servercfg.CacheEnabled() {
+		deleteHostFromCache(h.ID.String())
+	}
 
-	deleteHostFromCache(h.ID.String())
 	return nil
 }
 
@@ -304,7 +323,9 @@ func RemoveHostByID(hostID string) error {
 	if err != nil {
 		return err
 	}
-	deleteHostFromCache(hostID)
+	if servercfg.CacheEnabled() {
+		deleteHostFromCache(hostID)
+	}
 	return nil
 }
 

scripts/netmaker.default.env

@@ -81,3 +81,5 @@ OIDC_ISSUER=
 JWT_VALIDITY_DURATION=43200
 # Auto disable a user's connecteds clients bassed on JWT token expiration
 RAC_AUTO_DISABLE="true"
+# if turned on data will be cached on to improve performance significantly (IMPORTANT: If HA set to `false` )
+CACHING_ENABLED="true

servercfg/serverconf.go

@@ -207,6 +207,17 @@ func GetDB() string {
 	return database
 }
 
+// CacheEnabled - checks if cache is enabled
+func CacheEnabled() bool {
+	caching := false
+	if os.Getenv("CACHING_ENABLED") != "" {
+		caching = os.Getenv("CACHING_ENABLED") == "true"
+	} else if config.Config.Server.Database != "" {
+		caching = config.Config.Server.CacheEnabled
+	}
+	return caching
+}
+
 // GetAPIHost - gets the api host
 func GetAPIHost() string {
 	serverhost := "127.0.0.1"