Function checkContainerExistence

deploy/cmd/docker.go:86–98

(nodeUser, node, containerName string)

}

func checkContainerExistence(nodeUser, node, containerName string) (bool, error) {
	cmd := exec.Command("ssh", nodeUser+"@"+node, "docker ps -a --format "+`{{.Names}}`+" | grep "+`"`+containerName+`"`)
	output, err := cmd.Output()
	if err != nil {
		return false, err
	}
	for _, name := range strings.Fields(string(output)) {
		if name == containerName {
			return true, nil
		}
	}
	return false, nil
}

func checkAndDeleteContainerOnNode(nodeUser, node, containerName string) error {
	if ok, _ := checkContainerExistence(nodeUser, node, containerName); ok {