Add Consul Catalog provider

pkg/provider/consulcatalog/label.go

@@ -0,0 +1,23 @@
+package consulcatalog
+
+import (
+	"github.com/containous/traefik/v2/pkg/config/label"
+)
+
+// 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
+}
+
+func (p *Provider) getConfiguration(item itemData) (configuration, error) {
+	conf := configuration{
+		Enable: p.ExposedByDefault,
+	}
+
+	err := label.Decode(item.Labels, &conf, "traefik.consulcatalog.", "traefik.enable")
+	if err != nil {
+		return configuration{}, err
+	}
+
+	return conf, nil
+}