Fix registry timeout context (#221)

Image closer not required while fetching tags

docs/config/regopts.md

@@ -9,7 +9,7 @@ regopts:
   - name: "myregistry"
     username: fii
     password: bor
-    timeout: 5s
+    timeout: 30s
   - name: "docker.io"
     selector: image
     username: foo
@@ -128,13 +128,13 @@ Use content of secret file as registry password if `password` not defined.
 
 ### `timeout`
 
-Timeout is the maximum amount of time for the TCP connection to establish. (default `10s`)
+Timeout is the maximum amount of time for the TCP connection to establish. (default `0` ; no timeout)
 
 !!! example "Config file"
     ```yaml
     regopts:
       - name: "myregistry"
-        timeout: 10s
+        timeout: 30s
     ```
 
 !!! abstract "Environment variables"

internal/config/config_test.go

@@ -179,7 +179,7 @@ func TestLoadFile(t *testing.T) {
 						Username:    "foo",
 						Password:    "bar",
 						InsecureTLS: utl.NewFalse(),
-						Timeout:     utl.NewDuration(10 * time.Second),
+						Timeout:     utl.NewDuration(0),
 					},
 					{
 						Name:         "docker.io/crazymax",
@@ -187,7 +187,7 @@ func TestLoadFile(t *testing.T) {
 						UsernameFile: "./fixtures/run_secrets_username",
 						PasswordFile: "./fixtures/run_secrets_password",
 						InsecureTLS:  utl.NewFalse(),
-						Timeout:      utl.NewDuration(10 * time.Second),
+						Timeout:      utl.NewDuration(0),
 					},
 				},
 				Providers: &model.Providers{

internal/model/regopts.go

@@ -21,7 +21,7 @@ type RegOpt struct {
 	Password     string         `yaml:"password,omitempty" json:"password,omitempty" validate:"omitempty"`
 	PasswordFile string         `yaml:"passwordFile,omitempty" json:"passwordFile,omitempty" validate:"omitempty,file"`
 	InsecureTLS  *bool          `yaml:"insecureTLS,omitempty" json:"insecureTLS,omitempty" validate:"required"`
-	Timeout      *time.Duration `yaml:"timeout,omitempty" json:"timeout,omitempty" validate:"required"`
+	Timeout      *time.Duration `yaml:"timeout,omitempty" json:"timeout,omitempty"`
 }
 
 // RegOpt selector constants
@@ -44,7 +44,7 @@ func (s *RegOpt) GetDefaults() *RegOpt {
 func (s *RegOpt) SetDefaults() {
 	s.Selector = RegOptSelectorName
 	s.InsecureTLS = utl.NewFalse()
-	s.Timeout = utl.NewDuration(10 * time.Second)
+	s.Timeout = utl.NewDuration(0)
 }
 
 // Select returns a registry based on its selector

pkg/registry/tags.go

@@ -32,13 +32,7 @@ func (c *Client) Tags(opts TagsOptions) (*Tags, error) {
 		return nil, errors.Wrap(err, "Cannot parse reference")
 	}
 
-	imgCloser, err := imgRef.NewImage(ctx, c.sysCtx)
-	if err != nil {
-		return nil, errors.Wrap(err, "Cannot create image closer")
-	}
-	defer imgCloser.Close()
-
-	tags, err := docker.GetRepositoryTags(ctx, c.sysCtx, imgCloser.Reference())
+	tags, err := docker.GetRepositoryTags(ctx, c.sysCtx, imgRef)
 	if err != nil {
 		return nil, err
 	}