Vendor integration dependencies.

integration/vendor/github.com/docker/libcompose/docker/functions.go

@@ -0,0 +1,42 @@
+package docker
+
+import (
+	"golang.org/x/net/context"
+
+	"github.com/docker/engine-api/client"
+	"github.com/docker/engine-api/types"
+	"github.com/docker/engine-api/types/filters"
+)
+
+// GetContainersByFilter looks up the hosts containers with the specified filters and
+// returns a list of container matching it, or an error.
+func GetContainersByFilter(ctx context.Context, clientInstance client.APIClient, containerFilters ...map[string][]string) ([]types.Container, error) {
+	filterArgs := filters.NewArgs()
+
+	// FIXME(vdemeester) I don't like 3 for loops >_<
+	for _, filter := range containerFilters {
+		for key, filterValue := range filter {
+			for _, value := range filterValue {
+				filterArgs.Add(key, value)
+			}
+		}
+	}
+
+	return clientInstance.ContainerList(ctx, types.ContainerListOptions{
+		All:    true,
+		Filter: filterArgs,
+	})
+}
+
+// GetContainer looks up the hosts containers with the specified ID
+// or name and returns it, or an error.
+func GetContainer(ctx context.Context, clientInstance client.APIClient, id string) (*types.ContainerJSON, error) {
+	container, err := clientInstance.ContainerInspect(ctx, id)
+	if err != nil {
+		if client.IsErrContainerNotFound(err) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	return &container, nil
+}