[#10] Add __FROSTFS__ system attributes

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

container/attributes.go

@@ -1,7 +1,7 @@
 package container
 
 // SysAttributePrefix is a prefix of key to system attribute.
-const SysAttributePrefix = "__NEOFS__"
+const SysAttributePrefix = "__FROSTFS__"
 
 const (
 	// SysAttributeSubnet is a string ID of container's storage subnet.
@@ -17,6 +17,23 @@ const (
 	SysAttributeHomomorphicHashing = SysAttributePrefix + "DISABLE_HOMOMORPHIC_HASHING"
 )
 
+// SysAttributePrefixNeoFS is a prefix of key to system attribute.
+const SysAttributePrefixNeoFS = "__NEOFS__"
+
+const (
+	// SysAttributeSubnetNeoFS is a string ID of container's storage subnet.
+	SysAttributeSubnetNeoFS = SysAttributePrefixNeoFS + "SUBNET"
+
+	// SysAttributeNameNeoFS is a string of human-friendly container name registered as the domain in NNS contract.
+	SysAttributeNameNeoFS = SysAttributePrefixNeoFS + "NAME"
+
+	// SysAttributeZoneNeoFS is a string of zone for container name.
+	SysAttributeZoneNeoFS = SysAttributePrefixNeoFS + "ZONE"
+
+	// SysAttributeHomomorphicHashingNeoFS is a container's homomorphic hashing state.
+	SysAttributeHomomorphicHashingNeoFS = SysAttributePrefixNeoFS + "DISABLE_HOMOMORPHIC_HASHING"
+)
+
 // SysAttributeZoneDefault is a default value for SysAttributeZone attribute.
 const SysAttributeZoneDefault = "container"
 
@@ -33,7 +50,7 @@ const disabledHomomorphicHashingValue = "true"
 // See also SetHomomorphicHashingState.
 func (c Container) HomomorphicHashingState() bool {
 	for i := range c.attr {
-		if c.attr[i].GetKey() == SysAttributeHomomorphicHashing {
+		if c.attr[i].GetKey() == SysAttributeHomomorphicHashing || c.attr[i].GetKey() == SysAttributeHomomorphicHashingNeoFS {
 			return c.attr[i].GetValue() != disabledHomomorphicHashingValue
 		}
 	}
@@ -50,7 +67,7 @@ func (c Container) HomomorphicHashingState() bool {
 // See also HomomorphicHashingState.
 func (c *Container) SetHomomorphicHashingState(enable bool) {
 	for i := range c.attr {
-		if c.attr[i].GetKey() == SysAttributeHomomorphicHashing {
+		if c.attr[i].GetKey() == SysAttributeHomomorphicHashing || c.attr[i].GetKey() == SysAttributeHomomorphicHashingNeoFS {
 			if enable {
 				// approach without allocation/waste
 				// coping works since the attributes

netmap/attributes.go

@@ -9,7 +9,10 @@ import (
 )
 
 // prefix of keys to subnet attributes.
-const attrSubnetPrefix = "__NEOFS__SUBNET_"
+const attrSubnetPrefix = "__FROSTFS__SUBNET_"
+
+// prefix of keys to subnet attributes.
+const attrSubnetPrefixNeoFS = "__NEOFS__SUBNET_"
 
 const (
 	// subnet attribute's value denoting subnet entry
@@ -62,7 +65,7 @@ func subnetAttributeKey(id *refs.SubnetID) string {
 //   - disables non-zero subnet;
 //   - enables zero subnet.
 //
-// Attribute key is calculated from ID using format `__NEOFS__SUBNET_%s`.
+// Attribute key is calculated from ID using format `__FROSTFS__SUBNET_%s`.
 // Attribute Value is:
 //   - `True` if node enters the subnet;
 //   - `False`, otherwise.
@@ -143,8 +146,11 @@ func IterateSubnets(node *NodeInfo, f func(refs.SubnetID) error) error {
 		// cut subnet ID string
 		idTxt := strings.TrimPrefix(key, attrSubnetPrefix)
 		if len(idTxt) == len(key) {
-			// not a subnet attribute
-			continue
+			idTxt = strings.TrimPrefix(key, attrSubnetPrefixNeoFS)
+			if len(idTxt) == len(key) {
+				// not a subnet attribute
+				continue
+			}
 		}
 
 		// check value

netmap/attributes_test.go

@@ -11,7 +11,7 @@ import (
 )
 
 func subnetAttrKey(val string) string {
-	return "__NEOFS__SUBNET_" + val
+	return "__FROSTFS__SUBNET_" + val
 }
 
 func assertSubnetAttrKey(t *testing.T, attr *netmap.Attribute, num uint32) {

object/attributes.go

@@ -7,7 +7,7 @@ import (
 )
 
 // SysAttributePrefix is a prefix of key to system attribute.
-const SysAttributePrefix = "__NEOFS__"
+const SysAttributePrefix = "__FROSTFS__"
 
 const (
 	// SysAttributeUploadID marks smaller parts of a split bigger object.
@@ -25,6 +25,25 @@ const (
 	SysAttributeTickTopic = SysAttributePrefix + "TICK_TOPIC"
 )
 
+// SysAttributePrefixNeoFS is a prefix of key to system attribute.
+const SysAttributePrefixNeoFS = "__NEOFS__"
+
+const (
+	// SysAttributeUploadIDNeoFS marks smaller parts of a split bigger object.
+	SysAttributeUploadIDNeoFS = SysAttributePrefixNeoFS + "UPLOAD_ID"
+
+	// SysAttributeExpEpochNeoFS tells GC to delete object after that epoch.
+	SysAttributeExpEpochNeoFS = SysAttributePrefixNeoFS + "EXPIRATION_EPOCH"
+
+	// SysAttributeTickEpochNeoFS defines what epoch must produce object
+	// notification.
+	SysAttributeTickEpochNeoFS = SysAttributePrefixNeoFS + "TICK_EPOCH"
+
+	// SysAttributeTickTopicNeoFS defines what topic object notification
+	// must be sent to.
+	SysAttributeTickTopicNeoFS = SysAttributePrefixNeoFS + "TICK_TOPIC"
+)
+
 // NotificationInfo groups information about object notification
 // that can be written to object.
 //
@@ -81,10 +100,10 @@ func WriteNotificationInfo(o *Object, ni NotificationInfo) {
 
 	for i := range attrs {
 		switch attrs[i].GetKey() {
-		case SysAttributeTickEpoch:
+		case SysAttributeTickEpoch, SysAttributeTickEpochNeoFS:
 			attrs[i].SetValue(epoch)
 			changedEpoch = true
-		case SysAttributeTickTopic:
+		case SysAttributeTickTopic, SysAttributeTickTopicNeoFS:
 			changedTopic = true
 
 			if topic == "" {
@@ -141,7 +160,7 @@ func GetNotificationInfo(o *Object) (*NotificationInfo, error) {
 
 	for _, attr := range o.GetHeader().GetAttributes() {
 		switch key := attr.GetKey(); key {
-		case SysAttributeTickEpoch:
+		case SysAttributeTickEpoch, SysAttributeTickEpochNeoFS:
 			epoch, err := strconv.ParseUint(attr.GetValue(), 10, 64)
 			if err != nil {
 				return nil, fmt.Errorf("could not parse epoch: %w", err)
@@ -150,7 +169,7 @@ func GetNotificationInfo(o *Object) (*NotificationInfo, error) {
 			ni.SetEpoch(epoch)
 
 			foundEpoch = true
-		case SysAttributeTickTopic:
+		case SysAttributeTickTopic, SysAttributeTickTopicNeoFS:
 			ni.SetTopic(attr.GetValue())
 		}
 	}

session/xheaders.go

@@ -1,7 +1,7 @@
 package session
 
 // ReservedXHeaderPrefix is a prefix of keys to "well-known" X-headers.
-const ReservedXHeaderPrefix = "__NEOFS__"
+const ReservedXHeaderPrefix = "__FROSTFS__"
 
 const (
 	// XHeaderNetmapEpoch is a key to the reserved X-header that specifies netmap epoch
@@ -14,3 +14,18 @@ const (
 	// set, the current epoch only will be used.
 	XHeaderNetmapLookupDepth = ReservedXHeaderPrefix + "NETMAP_LOOKUP_DEPTH"
 )
+
+// ReservedXHeaderPrefixNeoFS is a prefix of keys to "well-known" X-headers.
+const ReservedXHeaderPrefixNeoFS = "__NEOFS__"
+
+const (
+	// XHeaderNetmapEpochNeoFS is a key to the reserved X-header that specifies netmap epoch
+	// to use for object placement calculation. If set to '0' or not set, the current
+	// epoch only will be used.
+	XHeaderNetmapEpochNeoFS = ReservedXHeaderPrefixNeoFS + "NETMAP_EPOCH"
+
+	// XHeaderNetmapLookupDepthNeoFS is a key to the reserved X-header that limits
+	// how many past epochs back the node will can lookup. If set to '0' or not
+	// set, the current epoch only will be used.
+	XHeaderNetmapLookupDepthNeoFS = ReservedXHeaderPrefixNeoFS + "NETMAP_LOOKUP_DEPTH"
+)