[#91] Add support namespaces

Signed-off-by: Roman Loginov <r.loginov@yadro.com>

CHANGELOG.md

@@ -18,6 +18,7 @@ This document outlines major changes between releases.
   - Add bucket/container caching
   - Disable homomorphic hash for PUT if it's disabled in container itself
 - Add new `logger.destination` config param (#89)
+- Add support namespaces (#91)
 
 ### Changed
 - Update prometheus to v1.15.0 (#35)

cmd/http-gw/app.go

@@ -7,13 +7,16 @@ import (
 	"os"
 	"os/signal"
 	"runtime/debug"
+	"strings"
 	"sync"
 	"syscall"
 	"time"
 
+	v2container "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/container"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/cache"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/frostfs/services"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/handler"
+	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/handler/middleware"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/logs"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/metrics"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/resolver"
@@ -34,6 +37,7 @@ import (
 	"github.com/spf13/viper"
 	"github.com/valyala/fasthttp"
 	"go.uber.org/zap"
+	"golang.org/x/exp/slices"
 )
 
 type (
@@ -78,6 +82,8 @@ type (
 		zipCompression      bool
 		clientCut           bool
 		bufferMaxSizeForPut uint64
+		namespaceHeader     string
+		defaultNamespaces   []string
 	}
 )
 
@@ -209,6 +215,7 @@ func (a *app) getResolverConfig() ([]string, *resolver.Config) {
 	resolveCfg := &resolver.Config{
 		FrostFS:    resolver.NewFrostFSResolver(a.pool),
 		RPCAddress: a.cfg.GetString(cfgRPCEndpoint),
+		Settings:   a.settings,
 	}
 
 	order := a.cfg.GetStringSlice(cfgResolveOrder)
@@ -477,6 +484,8 @@ func (a *app) updateSettings() {
 	a.settings.setZipCompression(a.cfg.GetBool(cfgZipCompression))
 	a.settings.setClientCut(a.cfg.GetBool(cfgClientCut))
 	a.settings.setBufferMaxSizeForPut(a.cfg.GetUint64(cfgBufferMaxSizeForPut))
+	a.settings.setNamespaceHeader(a.cfg.GetString(cfgResolveNamespaceHeader))
+	a.settings.setDefaultNamespaces(a.cfg.GetStringSlice(cfgResolveDefaultNamespaces))
 }
 
 func (a *app) startServices() {
@@ -510,15 +519,15 @@ func (a *app) configureRouter(handler *handler.Handler) {
 		response.Error(r, "Method Not Allowed", fasthttp.StatusMethodNotAllowed)
 	}
 
-	r.POST("/upload/{cid}", a.logger(a.tokenizer(a.tracer(handler.Upload))))
+	r.POST("/upload/{cid}", a.logger(a.tokenizer(a.tracer(a.reqNamespace(handler.Upload)))))
 	a.log.Info(logs.AddedPathUploadCid)
-	r.GET("/get/{cid}/{oid:*}", a.logger(a.tokenizer(a.tracer(handler.DownloadByAddressOrBucketName))))
-	r.HEAD("/get/{cid}/{oid:*}", a.logger(a.tokenizer(a.tracer(handler.HeadByAddressOrBucketName))))
+	r.GET("/get/{cid}/{oid:*}", a.logger(a.tokenizer(a.tracer(a.reqNamespace(handler.DownloadByAddressOrBucketName)))))
+	r.HEAD("/get/{cid}/{oid:*}", a.logger(a.tokenizer(a.tracer(a.reqNamespace(handler.HeadByAddressOrBucketName)))))
 	a.log.Info(logs.AddedPathGetCidOid)
-	r.GET("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", a.logger(a.tokenizer(a.tracer(handler.DownloadByAttribute))))
-	r.HEAD("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", a.logger(a.tokenizer(a.tracer(handler.HeadByAttribute))))
+	r.GET("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", a.logger(a.tokenizer(a.tracer(a.reqNamespace(handler.DownloadByAttribute)))))
+	r.HEAD("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", a.logger(a.tokenizer(a.tracer(a.reqNamespace(handler.HeadByAttribute)))))
 	a.log.Info(logs.AddedPathGetByAttributeCidAttrKeyAttrVal)
-	r.GET("/zip/{cid}/{prefix:*}", a.logger(a.tokenizer(a.tracer(handler.DownloadZipped))))
+	r.GET("/zip/{cid}/{prefix:*}", a.logger(a.tokenizer(a.tracer(a.reqNamespace(handler.DownloadZipped)))))
 	a.log.Info(logs.AddedPathZipCidPrefix)
 
 	a.webServer.Handler = r.Handler
@@ -562,6 +571,18 @@ func (a *app) tracer(h fasthttp.RequestHandler) fasthttp.RequestHandler {
 	}
 }
 
+func (a *app) reqNamespace(h fasthttp.RequestHandler) fasthttp.RequestHandler {
+	return func(req *fasthttp.RequestCtx) {
+		appCtx := utils.GetContextFromRequest(req)
+
+		nsBytes := req.Request.Header.Peek(a.settings.NamespaceHeader())
+		appCtx = middleware.SetNamespace(appCtx, string(nsBytes))
+
+		utils.SetContextToRequest(appCtx, req)
+		h(req)
+	}
+}
+
 func (a *app) AppParams() *utils.AppParams {
 	return &utils.AppParams{
 		Logger:   a.log,
@@ -669,3 +690,36 @@ func (a *app) setRuntimeParameters() {
 			zap.Int64("old_value", previous))
 	}
 }
+
+func (s *appSettings) NamespaceHeader() string {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	return s.namespaceHeader
+}
+
+func (s *appSettings) setNamespaceHeader(nsHeader string) {
+	s.mu.Lock()
+	s.namespaceHeader = nsHeader
+	s.mu.Unlock()
+}
+
+func (s *appSettings) FormContainerZone(ns string) (zone string, isDefault bool) {
+	s.mu.RLock()
+	namespaces := s.defaultNamespaces
+	s.mu.RUnlock()
+	if slices.Contains(namespaces, ns) {
+		return v2container.SysAttributeZoneDefault, true
+	}
+
+	return ns + ".ns", false
+}
+
+func (s *appSettings) setDefaultNamespaces(namespaces []string) {
+	for i := range namespaces { // to be set namespaces in env variable as `HTTP_GW_RESOLVE_BUCKET_DEFAULT_NAMESPACES="" "root"`
+		namespaces[i] = strings.Trim(namespaces[i], "\"")
+	}
+
+	s.mu.Lock()
+	s.defaultNamespaces = namespaces
+	s.mu.Unlock()
+}

cmd/http-gw/integration_test.go

@@ -29,6 +29,7 @@ import (
 	"github.com/stretchr/testify/require"
 	"github.com/testcontainers/testcontainers-go"
 	"github.com/testcontainers/testcontainers-go/wait"
+	"go.uber.org/zap/zapcore"
 )
 
 type putResponse struct {
@@ -68,6 +69,7 @@ func TestIntegration(t *testing.T) {
 		t.Run("simple get "+version, func(t *testing.T) { simpleGet(ctx, t, clientPool, ownerID, CID, version) })
 		t.Run("get by attribute "+version, func(t *testing.T) { getByAttr(ctx, t, clientPool, ownerID, CID, version) })
 		t.Run("get zip "+version, func(t *testing.T) { getZip(ctx, t, clientPool, ownerID, CID, version) })
+		t.Run("test namespaces "+version, func(t *testing.T) { checkNamespaces(ctx, t, clientPool, ownerID, CID, version) })
 
 		cancel()
 		server.Wait()
@@ -81,7 +83,7 @@ func runServer() (App, context.CancelFunc) {
 	cancelCtx, cancel := context.WithCancel(context.Background())
 
 	v := getDefaultConfig()
-	l, lvl := newLogger(v)
+	l, lvl := newStdoutLogger(zapcore.DebugLevel)
 	application := newApp(cancelCtx, WithConfig(v), WithLogger(l, lvl))
 	go application.Serve()
 
@@ -338,6 +340,40 @@ func checkZip(t *testing.T, data []byte, length int64, names, contents []string)
 	}
 }
 
+func checkNamespaces(ctx context.Context, t *testing.T, clientPool *pool.Pool, ownerID user.ID, CID cid.ID, version string) {
+	content := "content of file"
+	attributes := map[string]string{
+		"some-attr": "some-get-value",
+	}
+
+	id := putObject(ctx, t, clientPool, ownerID, CID, content, attributes)
+
+	req, err := http.NewRequest(http.MethodGet, testHost+"/get/"+testContainerName+"/"+id.String(), nil)
+	require.NoError(t, err)
+	req.Header.Set(defaultNamespaceHeader, "")
+
+	resp, err := http.DefaultClient.Do(req)
+	require.NoError(t, err)
+	checkGetResponse(t, resp, content, attributes)
+
+	req, err = http.NewRequest(http.MethodGet, testHost+"/get/"+testContainerName+"/"+id.String(), nil)
+	require.NoError(t, err)
+	req.Header.Set(defaultNamespaceHeader, "root")
+
+	resp, err = http.DefaultClient.Do(req)
+	require.NoError(t, err)
+	checkGetResponse(t, resp, content, attributes)
+
+	req, err = http.NewRequest(http.MethodGet, testHost+"/get/"+testContainerName+"/"+id.String(), nil)
+	require.NoError(t, err)
+	req.Header.Set(defaultNamespaceHeader, "root2")
+
+	resp, err = http.DefaultClient.Do(req)
+	require.NoError(t, err)
+	require.Equal(t, http.StatusNotFound, resp.StatusCode)
+
+}
+
 func createDockerContainer(ctx context.Context, t *testing.T, image string) testcontainers.Container {
 	req := testcontainers.ContainerRequest{
 		Image:       image,

cmd/http-gw/settings.go

@@ -49,6 +49,8 @@ const (
 
 	defaultBufferMaxSizeForPut = 1024 * 1024 // 1mb
 
+	defaultNamespaceHeader = "X-Frostfs-Namespace"
+
 	cfgServer      = "server"
 	cfgTLSEnabled  = "tls.enabled"
 	cfgTLSCertFile = "tls.cert_file"
@@ -116,6 +118,10 @@ const (
 	cfgBucketsCacheLifetime = "cache.buckets.lifetime"
 	cfgBucketsCacheSize     = "cache.buckets.size"
 
+	// Bucket resolving options.
+	cfgResolveNamespaceHeader   = "resolve_bucket.namespace_header"
+	cfgResolveDefaultNamespaces = "resolve_bucket.default_namespaces"
+
 	// Command line args.
 	cmdHelp          = "help"
 	cmdVersion       = "version"
@@ -199,6 +205,10 @@ func settings() *viper.Viper {
 	v.SetDefault(cfgPprofAddress, "localhost:8083")
 	v.SetDefault(cfgPrometheusAddress, "localhost:8084")
 
+	// resolve bucket
+	v.SetDefault(cfgResolveNamespaceHeader, defaultNamespaceHeader)
+	v.SetDefault(cfgResolveDefaultNamespaces, []string{"", "root"})
+
 	// Binding flags
 	if err := v.BindPFlag(cfgPprofEnabled, flags.Lookup(cmdPprof)); err != nil {
 		panic(err)

config/config.env

@@ -109,3 +109,8 @@ HTTP_GW_FROSTFS_BUFFER_MAX_SIZE_FOR_PUT=1048576
 # Cache which contains mapping of bucket name to bucket info
 HTTP_GW_CACHE_BUCKETS_LIFETIME=1m
 HTTP_GW_CACHE_BUCKETS_SIZE=1000
+
+# Header to determine zone to resolve bucket name
+HTTP_GW_RESOLVE_BUCKET_NAMESPACE_HEADER=X-Frostfs-Namespace
+# Namespaces that should be handled as default
+HTTP_GW_RESOLVE_BUCKET_DEFAULT_NAMESPACES="" "root"

config/config.yaml

@@ -119,3 +119,7 @@ cache:
   buckets:
     lifetime: 1m
     size: 1000
+
+resolve_bucket:
+  namespace_header: X-Frostfs-Namespace
+  default_namespaces: [ "", "root" ]

docs/gate-configuration.md

@@ -40,22 +40,23 @@ $ cat http.log
 
 # Structure
 
-| Section         | Description                                           |
-|-----------------|-------------------------------------------------------|
-| no section      | [General parameters](#general-section)                |
-| `wallet`        | [Wallet configuration](#wallet-section)               |
-| `peers`         | [Nodes configuration](#peers-section)                 |
-| `logger`        | [Logger configuration](#logger-section)               |
-| `web`           | [Web configuration](#web-section)                     |
-| `server`        | [Server configuration](#server-section)               |
-| `upload-header` | [Upload header configuration](#upload-header-section) |
-| `zip`           | [ZIP configuration](#zip-section)                     |
-| `pprof`         | [Pprof configuration](#pprof-section)                 |
-| `prometheus`    | [Prometheus configuration](#prometheus-section)       |
-| `tracing`       | [Tracing configuration](#tracing-section)             |
-| `runtime`       | [Runtime configuration](#runtime-section)             |
-| `frostfs`       | [Frostfs configuration](#frostfs-section)             |
-| `cache`         | [Cache configuration](#cache-section)                 |
+| Section          | Description                                                    |
+|------------------|----------------------------------------------------------------|
+| no section       | [General parameters](#general-section)                         |
+| `wallet`         | [Wallet configuration](#wallet-section)                        |
+| `peers`          | [Nodes configuration](#peers-section)                          |
+| `logger`         | [Logger configuration](#logger-section)                        |
+| `web`            | [Web configuration](#web-section)                              |
+| `server`         | [Server configuration](#server-section)                        |
+| `upload-header`  | [Upload header configuration](#upload-header-section)          |
+| `zip`            | [ZIP configuration](#zip-section)                              |
+| `pprof`          | [Pprof configuration](#pprof-section)                          |
+| `prometheus`     | [Prometheus configuration](#prometheus-section)                |
+| `tracing`        | [Tracing configuration](#tracing-section)                      |
+| `runtime`        | [Runtime configuration](#runtime-section)                      |
+| `frostfs`        | [Frostfs configuration](#frostfs-section)                      |
+| `cache`          | [Cache configuration](#cache-section)                          |
+| `resolve_bucket` | [Bucket name resolving configuration](#resolve_bucket-section) |
 
 
 # General section
@@ -315,3 +316,19 @@ size: 1000
 |------------|------------|------------------|-------------------------------|
 | `lifetime` | `duration` | depends on cache | Lifetime of entries in cache. |
 | `size`     | `int`      | depends on cache | LRU cache size.               |
+
+
+# `resolve_bucket` section
+
+Bucket name resolving parameters from and to container ID.
+
+```yaml
+resolve_bucket:
+  namespace_header: X-Frostfs-Namespace
+  default_namespaces: [ "", "root" ]
+```
+
+| Parameter            | Type       | SIGHUP reload | Default value         | Description                                                                                                              |
+|----------------------|------------|---------------|-----------------------|--------------------------------------------------------------------------------------------------------------------------|
+| `namespace_header`   | `string`   | yes           | `X-Frostfs-Namespace` | Header to determine zone to resolve bucket name.                                                                         |
+| `default_namespaces` | `[]string` | yes           | ["","root"]           | Namespaces that should be handled as default.                                                                            |

go.mod

@@ -21,6 +21,7 @@ require (
 	go.opentelemetry.io/otel v1.16.0
 	go.opentelemetry.io/otel/trace v1.16.0
 	go.uber.org/zap v1.24.0
+	golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc
 	google.golang.org/grpc v1.55.0
 )
 
@@ -102,7 +103,6 @@ require (
 	go.uber.org/atomic v1.10.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/crypto v0.9.0 // indirect
-	golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc // indirect
 	golang.org/x/net v0.10.0 // indirect
 	golang.org/x/sync v0.2.0 // indirect
 	golang.org/x/sys v0.8.0 // indirect

internal/cache/buckets.go

@@ -46,8 +46,8 @@ func NewBucketCache(config *Config) *BucketCache {
 }
 
 // Get returns a cached object.
-func (o *BucketCache) Get(key string) *data.BucketInfo {
-	entry, err := o.cache.Get(key)
+func (o *BucketCache) Get(ns, bktName string) *data.BucketInfo {
+	entry, err := o.cache.Get(formKey(ns, bktName))
 	if err != nil {
 		return nil
 	}
@@ -64,5 +64,9 @@ func (o *BucketCache) Get(key string) *data.BucketInfo {
 
 // Put puts an object to cache.
 func (o *BucketCache) Put(bkt *data.BucketInfo) error {
-	return o.cache.Set(bkt.Name, bkt)
+	return o.cache.Set(formKey(bkt.Zone, bkt.Name), bkt)
+}
+
+func formKey(ns, name string) string {
+	return name + "." + ns
 }

internal/handler/handler.go

@@ -10,6 +10,7 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/cache"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/data"
+	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/handler/middleware"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/logs"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/resolver"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/response"
@@ -31,6 +32,7 @@ type Config interface {
 	ZipCompression() bool
 	ClientCut() bool
 	BufferMaxSizeForPut() uint64
+	NamespaceHeader() string
 }
 
 type Handler struct {
@@ -190,7 +192,12 @@ func (h *Handler) resolveContainer(ctx context.Context, containerID string) (*ci
 }
 
 func (h *Handler) getBucketInfo(ctx context.Context, containerName string, log *zap.Logger) (*data.BucketInfo, error) {
-	if bktInfo := h.cache.Get(containerName); bktInfo != nil {
+	ns, err := middleware.GetNamespace(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	if bktInfo := h.cache.Get(ns, containerName); bktInfo != nil {
 		return bktInfo, nil
 	}
 

internal/handler/middleware/util.go

@@ -0,0 +1,26 @@
+package middleware
+
+import (
+	"context"
+	"fmt"
+)
+
+// keyWrapper is wrapper for context keys.
+type keyWrapper string
+
+const nsKey = keyWrapper("namespace")
+
+// GetNamespace extract namespace from context.
+func GetNamespace(ctx context.Context) (string, error) {
+	ns, ok := ctx.Value(nsKey).(string)
+	if !ok {
+		return "", fmt.Errorf("couldn't get namespace from context")
+	}
+
+	return ns, nil
+}
+
+// SetNamespace sets namespace in the context.
+func SetNamespace(ctx context.Context, ns string) context.Context {
+	return context.WithValue(ctx, nsKey, ns)
+}

resolver/resolver.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"sync"
 
+	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/handler/middleware"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
 	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/ns"
@@ -28,9 +29,14 @@ type FrostFS interface {
 	SystemDNS(context.Context) (string, error)
 }
 
+type Settings interface {
+	FormContainerZone(ns string) (zone string, isDefault bool)
+}
+
 type Config struct {
 	FrostFS    FrostFS
 	RPCAddress string
+	Settings   Settings
 }
 
 type ContainerResolver struct {
@@ -135,29 +141,43 @@ func (r *ContainerResolver) equals(resolverNames []string) bool {
 func newResolver(name string, cfg *Config) (*Resolver, error) {
 	switch name {
 	case DNSResolver:
-		return NewDNSResolver(cfg.FrostFS)
+		return NewDNSResolver(cfg.FrostFS, cfg.Settings)
 	case NNSResolver:
-		return NewNNSResolver(cfg.RPCAddress)
+		return NewNNSResolver(cfg.RPCAddress, cfg.Settings)
 	default:
 		return nil, fmt.Errorf("unknown resolver: %s", name)
 	}
 }
 
-func NewDNSResolver(frostFS FrostFS) (*Resolver, error) {
+func NewDNSResolver(frostFS FrostFS, settings Settings) (*Resolver, error) {
 	if frostFS == nil {
 		return nil, fmt.Errorf("pool must not be nil for DNS resolver")
 	}
+	if settings == nil {
+		return nil, fmt.Errorf("resolver settings must not be nil for DNS resolver")
+	}
 
 	var dns ns.DNS
 
 	resolveFunc := func(ctx context.Context, name string) (*cid.ID, error) {
-		domain, err := frostFS.SystemDNS(ctx)
+		var err error
+
+		namespace, err := middleware.GetNamespace(ctx)
 		if err != nil {
-			return nil, fmt.Errorf("read system DNS parameter of the FrostFS: %w", err)
+			return nil, err
 		}
 
-		domain = name + "." + domain
+		zone, isDefault := settings.FormContainerZone(namespace)
+		if isDefault {
+			zone, err = frostFS.SystemDNS(ctx)
+			if err != nil {
+				return nil, fmt.Errorf("read system DNS parameter of the FrostFS: %w", err)
+			}
+		}
+
+		domain := name + "." + zone
 		cnrID, err := dns.ResolveContainerName(domain)
+
 		if err != nil {
 			return nil, fmt.Errorf("couldn't resolve container '%s' as '%s': %w", name, domain, err)
 		}
@@ -170,17 +190,32 @@ func NewDNSResolver(frostFS FrostFS) (*Resolver, error) {
 	}, nil
 }
 
-func NewNNSResolver(rpcAddress string) (*Resolver, error) {
+func NewNNSResolver(rpcAddress string, settings Settings) (*Resolver, error) {
+	if rpcAddress == "" {
+		return nil, fmt.Errorf("rpc address must not be empty for NNS resolver")
+	}
+	if settings == nil {
+		return nil, fmt.Errorf("resolver settings must not be nil for NNS resolver")
+	}
+
 	var nns ns.NNS
 
 	if err := nns.Dial(rpcAddress); err != nil {
 		return nil, fmt.Errorf("could not dial nns: %w", err)
 	}
 
-	resolveFunc := func(_ context.Context, name string) (*cid.ID, error) {
+	resolveFunc := func(ctx context.Context, name string) (*cid.ID, error) {
 		var d container.Domain
 		d.SetName(name)
 
+		namespace, err := middleware.GetNamespace(ctx)
+		if err != nil {
+			return nil, err
+		}
+
+		zone, _ := settings.FormContainerZone(namespace)
+		d.SetZone(zone)
+
 		cnrID, err := nns.ResolveContainerDomain(d)
 		if err != nil {
 			return nil, fmt.Errorf("couldn't resolve container '%s': %w", name, err)