func TestListener(t *testing.T) {
ctx := context.Background()
registry := storage.NewRegistryWithDriver(ctx, inmemory.New(), memory.NewInMemoryBlobDescriptorCacheProvider(), true)
tl := &testListener{
ops: make(map[string]int),
}
repository, err := registry.Repository(ctx, "foo/bar")
if err != nil {
t.Fatalf("unexpected error getting repo: %v", err)
}
repository = Listen(repository, tl)
// Now take the registry through a number of operations
checkExerciseRepository(t, repository)
expectedOps := map[string]int{
"manifest:push": 1,
"manifest:pull": 2,
// "manifest:delete": 0, // deletes not supported for now
"layer:push": 2,
"layer:pull": 2,
// "layer:delete": 0, // deletes not supported for now
}
if !reflect.DeepEqual(tl.ops, expectedOps) {
t.Fatalf("counts do not match:\n%v\n !=\n%v", tl.ops, expectedOps)
}
}
// TestAppDispatcher builds an application with a test dispatcher and ensures
// that requests are properly dispatched and the handlers are constructed.
// This only tests the dispatch mechanism. The underlying dispatchers must be
// tested individually.
func TestAppDispatcher(t *testing.T) {
driver := inmemory.New()
ctx := context.Background()
app := &App{
Config: configuration.Configuration{},
Context: ctx,
router: v2.Router(),
driver: driver,
registry: storage.NewRegistryWithDriver(ctx, driver, memorycache.NewInMemoryBlobDescriptorCacheProvider(), true),
}
server := httptest.NewServer(app)
router := v2.Router()
serverURL, err := url.Parse(server.URL)
if err != nil {
t.Fatalf("error parsing server url: %v", err)
}
varCheckingDispatcher := func(expectedVars map[string]string) dispatchFunc {
return func(ctx *Context, r *http.Request) http.Handler {
// Always checks the same name context
if ctx.Repository.Name() != getName(ctx) {
t.Fatalf("unexpected name: %q != %q", ctx.Repository.Name(), "foo/bar")
}
// Check that we have all that is expected
for expectedK, expectedV := range expectedVars {
if ctx.Value(expectedK) != expectedV {
t.Fatalf("unexpected %s in context vars: %q != %q", expectedK, ctx.Value(expectedK), expectedV)
}
}
// Check that we only have variables that are expected
for k, v := range ctx.Value("vars").(map[string]string) {
_, ok := expectedVars[k]
if !ok { // name is checked on context
// We have an unexpected key, fail
t.Fatalf("unexpected key %q in vars with value %q", k, v)
}
}
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
})
}
}
// unflatten a list of variables, suitable for gorilla/mux, to a map[string]string
unflatten := func(vars []string) map[string]string {
m := make(map[string]string)
for i := 0; i < len(vars)-1; i = i + 2 {
m[vars[i]] = vars[i+1]
}
return m
}
for _, testcase := range []struct {
endpoint string
vars []string
}{
{
endpoint: v2.RouteNameManifest,
vars: []string{
"name", "foo/bar",
"reference", "sometag",
},
},
{
endpoint: v2.RouteNameTags,
vars: []string{
"name", "foo/bar",
},
},
{
endpoint: v2.RouteNameBlob,
vars: []string{
"name", "foo/bar",
"digest", "tarsum.v1+bogus:abcdef0123456789",
},
},
{
endpoint: v2.RouteNameBlobUpload,
vars: []string{
"name", "foo/bar",
},
},
{
endpoint: v2.RouteNameBlobUploadChunk,
vars: []string{
"name", "foo/bar",
"uuid", "theuuid",
},
},
} {
app.register(testcase.endpoint, varCheckingDispatcher(unflatten(testcase.vars)))
route := router.GetRoute(testcase.endpoint).Host(serverURL.Host)
u, err := route.URL(testcase.vars...)
if err != nil {
t.Fatal(err)
}
resp, err := http.Get(u.String())
if err != nil {
t.Fatal(err)
}
if resp.StatusCode != http.StatusOK {
t.Fatalf("unexpected status code: %v != %v", resp.StatusCode, http.StatusOK)
}
}
}
// NewApp takes a configuration and returns a configured app, ready to serve
// requests. The app only implements ServeHTTP and can be wrapped in other
// handlers accordingly.
func NewApp(ctx context.Context, configuration configuration.Configuration) *App {
app := &App{
Config: configuration,
Context: ctx,
router: v2.RouterWithPrefix(configuration.HTTP.Prefix),
}
app.Context = ctxu.WithLogger(app.Context, ctxu.GetLogger(app, "instance.id"))
// Register the handler dispatchers.
app.register(v2.RouteNameBase, func(ctx *Context, r *http.Request) http.Handler {
return http.HandlerFunc(apiBase)
})
app.register(v2.RouteNameManifest, imageManifestDispatcher)
app.register(v2.RouteNameCatalog, catalogDispatcher)
app.register(v2.RouteNameTags, tagsDispatcher)
app.register(v2.RouteNameBlob, blobDispatcher)
app.register(v2.RouteNameBlobUpload, blobUploadDispatcher)
app.register(v2.RouteNameBlobUploadChunk, blobUploadDispatcher)
var err error
app.driver, err = factory.Create(configuration.Storage.Type(), configuration.Storage.Parameters())
if err != nil {
// TODO(stevvooe): Move the creation of a service into a protected
// method, where this is created lazily. Its status can be queried via
// a health check.
panic(err)
}
purgeConfig := uploadPurgeDefaultConfig()
if mc, ok := configuration.Storage["maintenance"]; ok {
for k, v := range mc {
switch k {
case "uploadpurging":
purgeConfig = v.(map[interface{}]interface{})
}
}
}
startUploadPurger(app, app.driver, ctxu.GetLogger(app), purgeConfig)
app.driver, err = applyStorageMiddleware(app.driver, configuration.Middleware["storage"])
if err != nil {
panic(err)
}
app.configureSecret(&configuration)
app.configureEvents(&configuration)
app.configureRedis(&configuration)
app.configureLogHook(&configuration)
deleteEnabled := false
if d, ok := configuration.Storage["delete"]; ok {
e, ok := d["enabled"]
if ok {
if deleteEnabled, ok = e.(bool); !ok {
deleteEnabled = false
}
}
}
// configure storage caches
if cc, ok := configuration.Storage["cache"]; ok {
v, ok := cc["blobdescriptor"]
if !ok {
// Backwards compatible: "layerinfo" == "blobdescriptor"
v = cc["layerinfo"]
}
switch v {
case "redis":
if app.redis == nil {
panic("redis configuration required to use for layerinfo cache")
}
app.registry = storage.NewRegistryWithDriver(app, app.driver, rediscache.NewRedisBlobDescriptorCacheProvider(app.redis), deleteEnabled)
ctxu.GetLogger(app).Infof("using redis blob descriptor cache")
case "inmemory":
app.registry = storage.NewRegistryWithDriver(app, app.driver, memorycache.NewInMemoryBlobDescriptorCacheProvider(), deleteEnabled)
ctxu.GetLogger(app).Infof("using inmemory blob descriptor cache")
default:
if v != "" {
ctxu.GetLogger(app).Warnf("unknown cache type %q, caching disabled", configuration.Storage["cache"])
}
}
}
if app.registry == nil {
// configure the registry if no cache section is available.
app.registry = storage.NewRegistryWithDriver(app.Context, app.driver, nil, deleteEnabled)
}
app.registry, err = applyRegistryMiddleware(app.registry, configuration.Middleware["registry"])
if err != nil {
panic(err)
}
authType := configuration.Auth.Type()
if authType != "" {
accessController, err := auth.GetAccessController(configuration.Auth.Type(), configuration.Auth.Parameters())
if err != nil {
panic(fmt.Sprintf("unable to configure authorization (%s): %v", authType, err))
}
app.accessController = accessController
ctxu.GetLogger(app).Debugf("configured %q access controller", authType)
}
return app
}