Adds Kubernetes provider support

Co-authored-by: Julien Salleyron <julien@containo.us>

provider/kubernetes/client_mock_test.go

@@ -0,0 +1,71 @@
+package kubernetes
+
+import (
+	corev1 "k8s.io/api/core/v1"
+	extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
+)
+
+type clientMock struct {
+	ingresses []*extensionsv1beta1.Ingress
+	services  []*corev1.Service
+	secrets   []*corev1.Secret
+	endpoints []*corev1.Endpoints
+	watchChan chan interface{}
+
+	apiServiceError       error
+	apiSecretError        error
+	apiEndpointsError     error
+	apiIngressStatusError error
+}
+
+func (c clientMock) GetIngresses() []*extensionsv1beta1.Ingress {
+	return c.ingresses
+}
+
+func (c clientMock) GetService(namespace, name string) (*corev1.Service, bool, error) {
+	if c.apiServiceError != nil {
+		return nil, false, c.apiServiceError
+	}
+
+	for _, service := range c.services {
+		if service.Namespace == namespace && service.Name == name {
+			return service, true, nil
+		}
+	}
+	return nil, false, c.apiServiceError
+}
+
+func (c clientMock) GetEndpoints(namespace, name string) (*corev1.Endpoints, bool, error) {
+	if c.apiEndpointsError != nil {
+		return nil, false, c.apiEndpointsError
+	}
+
+	for _, endpoints := range c.endpoints {
+		if endpoints.Namespace == namespace && endpoints.Name == name {
+			return endpoints, true, nil
+		}
+	}
+
+	return &corev1.Endpoints{}, false, nil
+}
+
+func (c clientMock) GetSecret(namespace, name string) (*corev1.Secret, bool, error) {
+	if c.apiSecretError != nil {
+		return nil, false, c.apiSecretError
+	}
+
+	for _, secret := range c.secrets {
+		if secret.Namespace == namespace && secret.Name == name {
+			return secret, true, nil
+		}
+	}
+	return nil, false, nil
+}
+
+func (c clientMock) WatchAll(namespaces Namespaces, stopCh <-chan struct{}) (<-chan interface{}, error) {
+	return c.watchChan, nil
+}
+
+func (c clientMock) UpdateIngressStatus(namespace, name, ip, hostname string) error {
+	return c.apiIngressStatusError
+}