initial version of cli integration tests

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)

integration-cli/docker_utils.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"fmt"
+	"os/exec"
+	"strings"
+)
+
+func deleteContainer(container string) error {
+	container = strings.Replace(container, "\n", " ", -1)
+	container = strings.Trim(container, " ")
+	rmArgs := fmt.Sprintf("rm %v", container)
+	rmSplitArgs := strings.Split(rmArgs, " ")
+	rmCmd := exec.Command(dockerBinary, rmSplitArgs...)
+	exitCode, err := runCommand(rmCmd)
+	// set error manually if not set
+	if exitCode != 0 && err == nil {
+		err = fmt.Errorf("failed to remove container: `docker rm` exit is non-zero")
+	}
+
+	return err
+}
+
+func getAllContainers() (string, error) {
+	getContainersCmd := exec.Command(dockerBinary, "ps", "-q", "-a")
+	out, exitCode, err := runCommandWithOutput(getContainersCmd)
+	if exitCode != 0 && err == nil {
+		err = fmt.Errorf("failed to get a list of containers: %v\n", out)
+	}
+
+	return out, err
+}
+
+func deleteAllContainers() error {
+	containers, err := getAllContainers()
+	if err != nil {
+		fmt.Println(containers)
+		return err
+	}
+
+	if err = deleteContainer(containers); err != nil {
+		return err
+	}
+	return nil
+}
+
+func deleteImages(images string) error {
+	rmiCmd := exec.Command(dockerBinary, "rmi", images)
+	exitCode, err := runCommand(rmiCmd)
+	// set error manually if not set
+	if exitCode != 0 && err == nil {
+		err = fmt.Errorf("failed to remove image: `docker rmi` exit is non-zero")
+	}
+
+	return err
+}