feat(tokens): add bearer token auth support (#364)

Co-authored-by: riku salkia <riku.salkia@upcloud.com>

Author: kangasta

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Added support for Valkey properties
 - Add termination_protection to upctl database show output
+- Experimental support for token authentication by defining token in `UPCLOUD_TOKEN` environment variable.
 
 ### Changed
 

go.mod

@@ -4,7 +4,7 @@ go 1.22
 
 require (
 	github.com/UpCloudLtd/progress v1.0.2
-	github.com/UpCloudLtd/upcloud-go-api/v8 v8.14.0
+	github.com/UpCloudLtd/upcloud-go-api/v8 v8.16.0
 	github.com/adrg/xdg v0.3.2
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d
 	github.com/gemalto/flume v0.12.0

go.sum

@@ -17,8 +17,8 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/UpCloudLtd/progress v1.0.2 h1:CTr1bBuFuXop9TEhR1PakbUMPTlUVL7Bgae9JgqXwPg=
 github.com/UpCloudLtd/progress v1.0.2/go.mod h1:iGxOnb9HvHW0yrLGUjHr0lxHhn7TehgWwh7a8NqK6iQ=
-github.com/UpCloudLtd/upcloud-go-api/v8 v8.14.0 h1:bJozr/MtrSl4P3ynq4Nkr8kGPQfPAGpGJ7/S/iVI1cc=
-github.com/UpCloudLtd/upcloud-go-api/v8 v8.14.0/go.mod h1:bFnrOkfsDDmsb94nnBV5eSQjjsfDnwAzLnCt9+b4t/4=
+github.com/UpCloudLtd/upcloud-go-api/v8 v8.16.0 h1:sF4RgPKdz5BgN+KMHeHTcTRxuq06cA/VIxV4Mcs/A6I=
+github.com/UpCloudLtd/upcloud-go-api/v8 v8.16.0/go.mod h1:bFnrOkfsDDmsb94nnBV5eSQjjsfDnwAzLnCt9+b4t/4=
 github.com/adrg/xdg v0.3.2 h1:GUSGQ5pHdev83AYhDSS1A/CX+0JIsxbiWtow2DSA+RU=
 github.com/adrg/xdg v0.3.2/go.mod h1:7I2hH/IT30IsupOpKZ5ue7/qNi3CoKzD6tL3HwpaRMQ=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=

internal/config/config.go

@@ -187,8 +187,9 @@ func (s *Config) Context() context.Context {
 func (s *Config) CreateService() (internal.AllServices, error) {
 	username := s.GetString("username")
 	password := s.GetString("password")
+	token := s.GetString("token")
 
-	if username == "" || password == "" {
+	if token == "" && (username == "" || password == "") {
 		// This might give silghtly unexpected results on OS X, as xdg.ConfigHome points to ~/Library/Application Support
 		// while we really use/prefer/document ~/.config - which does work on osx as well but won't be displayed here.
 		configDetails := fmt.Sprintf("default location %s", filepath.Join(xdg.ConfigHome, "upctl.yaml"))
@@ -198,7 +199,16 @@ func (s *Config) CreateService() (internal.AllServices, error) {
 		return nil, clierrors.MissingCredentialsError{ConfigFile: configDetails}
 	}
 
-	client := client.New(username, password, client.WithTimeout(s.ClientTimeout()))
+	configs := []client.ConfigFn{
+		client.WithTimeout(s.ClientTimeout()),
+	}
+	if token != "" {
+		configs = append(configs, client.WithBearerAuth(token))
+	} else {
+		configs = append(configs, client.WithBasicAuth(username, password))
+	}
+
+	client := client.New("", "", configs...)
 	client.UserAgent = fmt.Sprintf("upctl/%s", GetVersion())
 
 	svc := service.New(client)