[#1183] node/config: Add NATS configuration

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

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

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 	"strconv"
+	"time"
 
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
@@ -32,6 +33,9 @@ const (
 
 	// PersistentStatePathDefault is a default path for persistent state file.
 	PersistentStatePathDefault = ".neofs-storage-state"
+
+	// NotificationTimeoutDefault is a default timeout for object notification operation.
+	NotificationTimeoutDefault = 5 * time.Second
 )
 
 // Key returns value of "key" config parameter
@@ -203,3 +207,48 @@ func (n NotificationConfig) Enabled() bool {
 func (n NotificationConfig) DefaultTopic() string {
 	return config.StringSafe(n.cfg, "default_topic")
 }
+
+// Endpoint returns value of "endpoint" config parameter from "notification"
+// subsection of "node" section.
+//
+// Returns empty string if value is not presented.
+func (n NotificationConfig) Endpoint() string {
+	return config.StringSafe(n.cfg, "endpoint")
+}
+
+// Timeout returns value of "timeout" config parameter from "notification"
+// subsection of "node" section.
+//
+// Returns NotificationTimeoutDefault if value is not positive.
+func (n NotificationConfig) Timeout() time.Duration {
+	v := config.DurationSafe(n.cfg, "timeout")
+	if v > 0 {
+		return v
+	}
+
+	return NotificationTimeoutDefault
+}
+
+// CertPath returns value of "certificate_path" config parameter from "notification"
+// subsection of "node" section.
+//
+// Returns empty string if value is not presented.
+func (n NotificationConfig) CertPath() string {
+	return config.StringSafe(n.cfg, "certificate")
+}
+
+// KeyPath returns value of "key_path" config parameter from
+// "notification" subsection of "node" section.
+//
+// Returns empty string if value is not presented.
+func (n NotificationConfig) KeyPath() string {
+	return config.StringSafe(n.cfg, "key")
+}
+
+// CAPath returns value of "ca_path" config parameter from
+// "notification" subsection of "node" section.
+//
+// Returns empty string if value is not presented.
+func (n NotificationConfig) CAPath() string {
+	return config.StringSafe(n.cfg, "ca")
+}

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

@@ -2,6 +2,7 @@ package nodeconfig
 
 import (
 	"testing"
+	"time"
 
 	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
 	"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
@@ -31,14 +32,24 @@ func TestNodeSection(t *testing.T) {
 		attribute := Attributes(empty)
 		relay := Relay(empty)
 		persistatePath := PersistentState(empty).Path()
-		notificationEnabled := Notification(empty).Enabled()
+		notificationDefaultEnabled := Notification(empty).Enabled()
+		notificationDefaultEndpoint := Notification(empty).Endpoint()
+		notificationDefaultTimeout := Notification(empty).Timeout()
 		notificationDefaultTopic := Notification(empty).DefaultTopic()
+		notificationDefaultCertPath := Notification(empty).CertPath()
+		notificationDefaultKeyPath := Notification(empty).KeyPath()
+		notificationDefaultCAPath := Notification(empty).CAPath()
 
 		require.Empty(t, attribute)
 		require.Equal(t, false, relay)
 		require.Equal(t, PersistentStatePathDefault, persistatePath)
-		require.Equal(t, false, notificationEnabled)
+		require.Equal(t, false, notificationDefaultEnabled)
+		require.Equal(t, "", notificationDefaultEndpoint)
+		require.Equal(t, NotificationTimeoutDefault, notificationDefaultTimeout)
 		require.Equal(t, "", notificationDefaultTopic)
+		require.Equal(t, "", notificationDefaultCertPath)
+		require.Equal(t, "", notificationDefaultKeyPath)
+		require.Equal(t, "", notificationDefaultCAPath)
 
 		var subnetCfg SubnetConfig
 
@@ -65,7 +76,12 @@ func TestNodeSection(t *testing.T) {
 		wKey := Wallet(c)
 		persistatePath := PersistentState(c).Path()
 		notificationEnabled := Notification(c).Enabled()
+		notificationEndpoint := Notification(c).Endpoint()
+		notificationTimeout := Notification(c).Timeout()
 		notificationDefaultTopic := Notification(c).DefaultTopic()
+		notificationCertPath := Notification(c).CertPath()
+		notificationKeyPath := Notification(c).KeyPath()
+		notificationCAPath := Notification(c).CAPath()
 
 		expectedAddr := []struct {
 			str  string
@@ -120,7 +136,12 @@ func TestNodeSection(t *testing.T) {
 
 		require.Equal(t, "/state", persistatePath)
 		require.Equal(t, true, notificationEnabled)
+		require.Equal(t, "tls://localhost:4222", notificationEndpoint)
+		require.Equal(t, 6*time.Second, notificationTimeout)
 		require.Equal(t, "topic", notificationDefaultTopic)
+		require.Equal(t, "/cert/path", notificationCertPath)
+		require.Equal(t, "/key/path", notificationKeyPath)
+		require.Equal(t, "/ca/path", notificationCAPath)
 
 		var subnetCfg SubnetConfig
 

config/example/node.env

@@ -19,7 +19,12 @@ NEOFS_NODE_PERSISTENT_STATE_PATH=/state
 NEOFS_NODE_SUBNET_EXIT_ZERO=true
 NEOFS_NODE_SUBNET_ENTRIES=123 456 789
 NEOFS_NODE_NOTIFICATION_ENABLED=true
+NEOFS_NODE_NOTIFICATION_ENDPOINT=tls://localhost:4222
+NEOFS_NODE_NOTIFICATION_TIMEOUT=6s
 NEOFS_NODE_NOTIFICATION_DEFAULT_TOPIC=topic
+NEOFS_NODE_NOTIFICATION_CERTIFICATE=/cert/path
+NEOFS_NODE_NOTIFICATION_KEY=/key/path
+NEOFS_NODE_NOTIFICATION_CA=/ca/path
 
 # gRPC section
 NEOFS_GRPC_NUM=2

config/example/node.json

@@ -39,7 +39,12 @@
     },
     "notification": {
       "enabled": true,
-      "default_topic": "topic"
+      "endpoint": "tls://localhost:4222",
+      "timeout": "6s",
+      "default_topic": "topic",
+      "certificate": "/cert/path",
+      "key": "/key/path",
+      "ca": "/ca/path"
     }
   },
   "grpc": {

config/example/node.yaml

@@ -32,8 +32,13 @@ node:
       - 456
       - 789
   notification:
-    enabled: true
+    enabled: true  # turn on object notification service
-    default_topic: "topic"
+    endpoint: "tls://localhost:4222"  # notification server endpoint
+    timeout: "6s"  # timeout for object notification client connection
+    default_topic: "topic"  # default topic for object notifications if not found in object's meta
+    certificate: "/cert/path"  # path to TLS certificate
+    key: "/key/path"  # path to TLS key
+    ca: "/ca/path"  # path to optional CA certificate
 
 grpc:
   num: 2  # total number of listener endpoints