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Dynamic Namespace

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This commit is contained in:
Ben Toogood 2020-04-09 11:03:33 +01:00
parent 27eb7db1c2
commit 4ff959ef50
5 changed files with 31 additions and 9 deletions
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2
api/handler/http/http_test.go
View File

@ -58,7 +58,7 @@ func testHttp(t *testing.T, path, service, ns string) {
router.WithHandler("http"),
router.WithRegistry(r),
router.WithResolver(vpath.NewResolver(
resolver.WithNamespace(ns),
resolver.WithNamespace(resolver.StaticNamespace(ns)),
)),
)

15
api/resolver/options.go
View File

@ -1,11 +1,22 @@
package resolver
import (
"net/http"
"github.com/micro/go-micro/v2/auth"
)
// NewOptions returns new initialised options
func NewOptions(opts ...Option) Options {
var options Options
for _, o := range opts {
o(&options)
}
if options.Namespace == nil {
options.Namespace = StaticNamespace(auth.DefaultNamespace)
}
return options
}
@ -16,8 +27,8 @@ func WithHandler(h string) Option {
}
}
// WithNamespace sets the namespace being used
func WithNamespace(n string) Option {
// WithNamespace sets the function which determines the namespace for a request
func WithNamespace(n func(*http.Request) string) Option {
return func(o *Options) {
o.Namespace = n
}

4
api/resolver/path/path.go
View File

@ -18,8 +18,10 @@ func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
}
parts := strings.Split(req.URL.Path[1:], "/")
ns := r.opts.Namespace(req)
return &resolver.Endpoint{
Name: r.opts.Namespace + "." + parts[0],
Name: ns + "." + parts[0],
Host: req.Host,
Method: req.Method,
Path: req.URL.Path,

9
api/resolver/resolver.go
View File

@ -31,7 +31,14 @@ type Endpoint struct {
type Options struct {
Handler string
Namespace string
Namespace func(*http.Request) string
}
type Option func(o *Options)
// StaticNamespace returns the same namespace for each request
func StaticNamespace(ns string) func(*http.Request) string {
return func(*http.Request) string {
return ns
}
}

10
api/resolver/vpath/vpath.go
View File

@ -33,7 +33,7 @@ func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
parts := strings.Split(req.URL.Path[1:], "/")
if len(parts) == 1 {
return &resolver.Endpoint{
Name: addNamespace(r.opts.Namespace, parts...),
Name: r.withNamespace(req, parts...),
Host: req.Host,
Method: req.Method,
Path: req.URL.Path,
@ -43,7 +43,7 @@ func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
// /v1/foo
if re.MatchString(parts[0]) {
return &resolver.Endpoint{
Name: addNamespace(r.opts.Namespace, parts[0:2]...),
Name: r.withNamespace(req, parts[0:2]...),
Host: req.Host,
Method: req.Method,
Path: req.URL.Path,
@ -51,7 +51,7 @@ func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
}
return &resolver.Endpoint{
Name: addNamespace(r.opts.Namespace, parts[0]),
Name: r.withNamespace(req, parts[0]),
Host: req.Host,
Method: req.Method,
Path: req.URL.Path,
@ -62,9 +62,11 @@ func (r *Resolver) String() string {
return "path"
}
func addNamespace(ns string, parts ...string) string {
func (r *Resolver) withNamespace(req *http.Request, parts ...string) string {
ns := r.opts.Namespace(req)
if len(ns) == 0 {
return strings.Join(parts, ".")
}
return strings.Join(append([]string{ns}, parts...), ".")
}