Split Docker provider

pkg/provider/docker/label.go

@@ -1,63 +0,0 @@
-package docker
-
-import (
-	"fmt"
-
-	"github.com/traefik/traefik/v3/pkg/config/label"
-)
-
-const (
-	labelDockerComposeProject = "com.docker.compose.project"
-	labelDockerComposeService = "com.docker.compose.service"
-)
-
-// configuration Contains information from the labels that are globals (not related to the dynamic configuration)
-// or specific to the provider.
-type configuration struct {
-	Enable bool
-	Docker specificConfiguration
-}
-
-type specificConfiguration struct {
-	Network string
-	LBSwarm bool
-}
-
-func (p *Provider) getConfiguration(container dockerData) (configuration, error) {
-	conf := configuration{
-		Enable: p.ExposedByDefault,
-		Docker: specificConfiguration{
-			Network: p.Network,
-		},
-	}
-
-	err := label.Decode(container.Labels, &conf, "traefik.docker.", "traefik.enable")
-	if err != nil {
-		return configuration{}, err
-	}
-
-	return conf, nil
-}
-
-// getStringMultipleStrict get multiple string values associated to several labels.
-// Fail if one label is missing.
-func getStringMultipleStrict(labels map[string]string, labelNames ...string) (map[string]string, error) {
-	foundLabels := map[string]string{}
-	for _, name := range labelNames {
-		value := getStringValue(labels, name, "")
-		// Error out only if one of them is not defined.
-		if len(value) == 0 {
-			return nil, fmt.Errorf("label not found: %s", name)
-		}
-		foundLabels[name] = value
-	}
-	return foundLabels, nil
-}
-
-// getStringValue get string value associated to a label.
-func getStringValue(labels map[string]string, labelName, defaultValue string) string {
-	if value, ok := labels[labelName]; ok && len(value) > 0 {
-		return value
-	}
-	return defaultValue
-}