Dynamic Configuration Refactoring

old/provider/consul/consul.go

@@ -0,0 +1,48 @@
+package consul
+
+import (
+	"fmt"
+
+	"github.com/abronan/valkeyrie/store"
+	"github.com/abronan/valkeyrie/store/consul"
+	"github.com/containous/traefik/old/provider"
+	"github.com/containous/traefik/old/provider/kv"
+	"github.com/containous/traefik/old/types"
+	"github.com/containous/traefik/safe"
+)
+
+var _ provider.Provider = (*Provider)(nil)
+
+// Provider holds configurations of the p.
+type Provider struct {
+	kv.Provider `mapstructure:",squash" export:"true"`
+}
+
+// Init the provider
+func (p *Provider) Init(constraints types.Constraints) error {
+	err := p.Provider.Init(constraints)
+	if err != nil {
+		return err
+	}
+
+	store, err := p.CreateStore()
+	if err != nil {
+		return fmt.Errorf("failed to Connect to KV store: %v", err)
+	}
+
+	p.SetKVClient(store)
+	return nil
+}
+
+// Provide allows the consul provider to provide configurations to traefik
+// using the given configuration channel.
+func (p *Provider) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool) error {
+	return p.Provider.Provide(configurationChan, pool)
+}
+
+// CreateStore creates the KV store
+func (p *Provider) CreateStore() (store.Store, error) {
+	p.SetStoreType(store.CONSUL)
+	consul.Register()
+	return p.Provider.CreateStore()
+}