CAPD: add env var to allow using remote Docker engines

Signed-off-by: Stefan Büringer [email protected]

Author: sbueringer

test/infrastructure/container/docker.go

@@ -59,7 +59,7 @@ type dockerRuntime struct {
 func NewDockerClient() (Runtime, error) {
 	dockerClient, err := getDockerClient()
 	if err != nil {
-		return nil, fmt.Errorf("failed to created docker runtime client")
+		return nil, errors.Wrapf(err, "failed to created docker runtime client")
 	}
 	return &dockerRuntime{
 		dockerClient: dockerClient,

test/infrastructure/docker/config/manager/manager.yaml

@@ -35,6 +35,8 @@ spec:
           valueFrom:
             fieldRef:
               fieldPath: metadata.uid
+        - name: DOCKER_HOST
+          value: ${CAPD_DOCKER_HOST:=""}
         ports:
         - containerPort: 9440
           name: healthz