🚧 Prototype gke and style fixed

Author: MickaelFontes

go.mod

@@ -91,6 +91,7 @@ require (
 )
 
 require (
+	cloud.google.com/go v0.81.0 // indirect
 	github.com/fsnotify/fsnotify v1.5.4 // indirect
 	github.com/inconshreveable/mousetrap v1.0.1 // indirect
 	github.com/mattn/go-isatty v0.0.16

go.sum

@@ -21,6 +21,7 @@ cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKP
 cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
 cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
 cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
+cloud.google.com/go v0.81.0 h1:at8Tk2zUz63cLPR0JPWm5vp77pEZmzxEQBEfRKn1VV8=
 cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=

pkg/oci/authn/client.go

@@ -20,7 +20,9 @@ import (
 	"net/http"
 	"time"
 
+	"golang.org/x/oauth2"
 	"golang.org/x/oauth2/clientcredentials"
+	"golang.org/x/oauth2/google"
 	"oras.land/oras-go/v2/registry/remote"
 	"oras.land/oras-go/v2/registry/remote/auth"
 )
@@ -45,6 +47,9 @@ func NewClient(options ...func(*Options)) remote.Client {
 		o(opt)
 	}
 
+	ts := google.ComputeTokenSource("")
+	return oauth2.NewClient(opt.Ctx, ts)
+
 	if opt.Oauth && opt.ClientCredentials != nil {
 		return opt.ClientCredentials.Client(opt.Ctx)
 	} else {