[#1255] node/config: Add persistent storage

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

cmd/neofs-node/config/node/config.go

@@ -12,6 +12,12 @@ import (
 	utilConfig "github.com/nspcc-dev/neofs-node/pkg/util/config"
 )
 
+// PersistentSessionsConfig is a wrapper over "persistent_sessions" config section
+// which provides access to persistent session tokens storage configuration of node.
+type PersistentSessionsConfig struct {
+	cfg *config.Config
+}
+
 // PersistentStateConfig is a wrapper over "persistent_state" config section
 // which provides access to persistent state storage configuration of node.
 type PersistentStateConfig struct {
@@ -25,9 +31,10 @@ type NotificationConfig struct {
 }
 
 const (
-	subsection                = "node"
-	persistentStateSubsection = "persistent_state"
-	notificationSubsection    = "notification"
+	subsection                   = "node"
+	persistentSessionsSubsection = "persistent_sessions"
+	persistentStateSubsection    = "persistent_state"
+	notificationSubsection       = "notification"
 
 	attributePrefix = "attribute"
 
@@ -137,6 +144,21 @@ func Relay(c *config.Config) bool {
 	return config.BoolSafe(c.Sub(subsection), "relay")
 }
 
+// PersistentSessions returns structure that provides access to "persistent_sessions"
+// subsection of "node" section.
+func PersistentSessions(c *config.Config) PersistentSessionsConfig {
+	return PersistentSessionsConfig{
+		c.Sub(subsection).Sub(persistentSessionsSubsection),
+	}
+}
+
+// Path returns value of "path" config parameter.
+//
+// Returns PersistentStatePathDefault if value is not a non-empty string.
+func (p PersistentSessionsConfig) Path() string {
+	return config.String(p.cfg, "path")
+}
+
 // PersistentState returns structure that provides access to "persistent_state"
 // subsection of "node" section.
 func PersistentState(c *config.Config) PersistentStateConfig {

cmd/neofs-node/config/node/config_test.go

@@ -31,6 +31,7 @@ func TestNodeSection(t *testing.T) {
 
 		attribute := Attributes(empty)
 		relay := Relay(empty)
+		persisessionsPath := PersistentSessions(empty).Path()
 		persistatePath := PersistentState(empty).Path()
 		notificationDefaultEnabled := Notification(empty).Enabled()
 		notificationDefaultEndpoint := Notification(empty).Endpoint()
@@ -42,6 +43,7 @@ func TestNodeSection(t *testing.T) {
 
 		require.Empty(t, attribute)
 		require.Equal(t, false, relay)
+		require.Equal(t, "", persisessionsPath)
 		require.Equal(t, PersistentStatePathDefault, persistatePath)
 		require.Equal(t, false, notificationDefaultEnabled)
 		require.Equal(t, "", notificationDefaultEndpoint)
@@ -74,6 +76,7 @@ func TestNodeSection(t *testing.T) {
 		attributes := Attributes(c)
 		relay := Relay(c)
 		wKey := Wallet(c)
+		persisessionsPath := PersistentSessions(c).Path()
 		persistatePath := PersistentState(c).Path()
 		notificationEnabled := Notification(c).Enabled()
 		notificationEndpoint := Notification(c).Endpoint()
@@ -134,6 +137,7 @@ func TestNodeSection(t *testing.T) {
 			config.StringSafe(c.Sub("node").Sub("wallet"), "address"),
 			address.Uint160ToString(wKey.GetScriptHash()))
 
+		require.Equal(t, "/sessions", persisessionsPath)
 		require.Equal(t, "/state", persistatePath)
 		require.Equal(t, true, notificationEnabled)
 		require.Equal(t, "tls://localhost:4222", notificationEndpoint)

config/example/node.env

@@ -15,6 +15,7 @@ NEOFS_NODE_ADDRESSES="s01.neofs.devenv:8080 /dns4/s02.neofs.devenv/tcp/8081 grpc
 NEOFS_NODE_ATTRIBUTE_0=Price:11
 NEOFS_NODE_ATTRIBUTE_1="UN-LOCODE:RU MSK"
 NEOFS_NODE_RELAY=true
+NEOFS_NODE_PERSISTENT_SESSIONS_PATH=/sessions
 NEOFS_NODE_PERSISTENT_STATE_PATH=/state
 NEOFS_NODE_SUBNET_EXIT_ZERO=true
 NEOFS_NODE_SUBNET_ENTRIES=123 456 789

config/example/node.json

@@ -26,6 +26,9 @@
     "attribute_0": "Price:11",
     "attribute_1": "UN-LOCODE:RU MSK",
     "relay": true,
+    "persistent_sessions": {
+      "path": "/sessions"
+    },
     "persistent_state": {
       "path": "/state"
     },

config/example/node.yaml

@@ -23,8 +23,10 @@ node:
   attribute_0: "Price:11"
   attribute_1: UN-LOCODE:RU MSK
   relay: true  # start Storage node in relay mode without bootstrapping into the Network map
-  persistent_state:  # path to persistent state file of Storage node
-    path: /state
+  persistent_sessions:
+    path: /sessions  # path to persistent session tokens file of Storage node
+  persistent_state:
+    path: /state  # path to persistent state file of Storage node
   subnet:
     exit_zero: true # toggle entrance to zero subnet (overrides corresponding attribute and occurrence in `entries`)
     entries: # list of IDs of subnets to enter in a text format of NeoFS API protocol (overrides corresponding attributes)