/**
* Start a container as binary
*/
func Run(name, currentPath string, arguments []string, ports, environments map[string]string) {
runFunc := reflect.ValueOf(exec.Command)
rawArgs := []string{getDockerBinaryPath(), "run", "-v=" + currentPath + ":" + currentPath, "-w=" + currentPath}
// Add environments
util.Debug(environments)
for envName, envValue := range environments {
rawArgs = append(rawArgs, "-e="+envName+"="+envValue)
}
// Add ports
for portIn, portOut := range ports {
rawArgs = append(rawArgs, "-p="+string(portIn)+":"+string(portOut))
}
rawArgs = append(rawArgs, name)
// Add user arguments
for _, argument := range arguments {
rawArgs = append(rawArgs, argument)
}
runCmd := runFunc.Call(util.BuildReflectArguments(rawArgs))[0].Interface().(*exec.Cmd)
runCmd.Stdout = os.Stdout
runCmd.Stdin = os.Stdin
runCmd.Stderr = os.Stderr
util.Debug("Run command:", runCmd.Args)
if err := runCmd.Start(); err != nil {
util.LogError(err)
}
}
func Build(name, path string) {
buildFunc := reflect.ValueOf(exec.Command)
rawArgs := []string{getDockerBinaryPath(), "build"}
if *noCache {
rawArgs = append(rawArgs, "--no-cache")
}
rawArgs = append(rawArgs, "-t", name, path)
util.Debug(rawArgs)
buildCmd := buildFunc.Call(util.BuildReflectArguments(rawArgs))[0].Interface().(*exec.Cmd)
buildCmd.Stderr = os.Stderr
if !*quiet {
buildCmd.Stdout = os.Stdout
}
if err := buildCmd.Run(); err != nil {
util.LogError(err)
}
buildCmd.Wait()
time.Sleep(1 * time.Second)
}
func Build(name, path string) {
buildFunc := reflect.ValueOf(exec.Command)
rawArgs := []string{getDockerBinaryPath(), "build"}
if *noCache {
rawArgs = append(rawArgs, "--no-cache")
}
rawArgs = append(rawArgs, "-t", name, path)
util.Debug(rawArgs)
buildCmd := buildFunc.Call(util.BuildReflectArguments(rawArgs))[0].Interface().(*exec.Cmd)
buildCmd.Stdin = os.Stdin
out, err := buildCmd.CombinedOutput()
if err != nil {
util.Print(string(out))
util.LogError("Error while starting container '" + name + "'")
}
buildCmd.Wait()
time.Sleep(1 * time.Second)
}
/**
* Start a container as a server
*/
func Start(name, image string, links []string, ports, volumes, environments map[string]string) string {
runFunc := reflect.ValueOf(exec.Command)
rawArgs := []string{getDockerBinaryPath(), "run", "-d", "-i", "-t", "--privileged", "--name=" + name}
// Add environments
util.Debug(environments)
for envName, envValue := range environments {
rawArgs = append(rawArgs, "-e="+envName+"="+envValue)
}
// Add links
for _, link := range links {
rawArgs = append(rawArgs, "--link="+link+":"+link)
}
// Add ports
for portIn, portOut := range ports {
rawArgs = append(rawArgs, "-p="+string(portIn)+":"+string(portOut))
}
// Add volumes
for volumeHost, volumeContainer := range volumes {
rawArgs = append(rawArgs, "-v="+volumeHost+":"+volumeContainer)
}
rawArgs = append(rawArgs, image)
// Initiate the command with several arguments
runCmd := runFunc.Call(util.BuildReflectArguments(rawArgs))[0].Interface().(*exec.Cmd)
util.Debug("Start command:", runCmd.Args)
out, err := runCmd.CombinedOutput()
if err != nil {
util.LogError(string(out))
}
// Inspect container to check status code
exitCodeBuff, _ := Inspect(name, "--format", "{{.State.ExitCode}}")
exitCode, _ := strconv.Atoi(strings.TrimSpace(string(exitCodeBuff)))
if exitCode != 0 {
error, _ := Logs(name)
util.LogError("Error while starting container '" + name + "' : " + error)
}
return string(out)
}
func Pull(name string) {
pullCmd := exec.Command(getDockerBinaryPath(), "pull", name)
pullCmd.Stderr = os.Stderr
pullCmd.Stdin = os.Stdin
util.Debug("Pull command:", pullCmd.Args)
if err := pullCmd.Run(); err != nil {
util.LogError(err)
}
pullCmd.Wait()
}
/**
* Start a container as a server
*/
func Start(name, image string, links []string, ports, volumes, environments map[string]string) string {
runFunc := reflect.ValueOf(exec.Command)
rawArgs := []string{getDockerBinaryPath(), "run", "-d", "-i", "-t", "--privileged", "--name=" + name}
// Add environments
util.Debug(environments)
for envName, envValue := range environments {
rawArgs = append(rawArgs, "-e="+envName+"="+envValue)
}
// Add links
for _, link := range links {
rawArgs = append(rawArgs, "--link="+link+":"+link)
}
// Add ports
for portIn, portOut := range ports {
rawArgs = append(rawArgs, "-p="+string(portIn)+":"+string(portOut))
}
// Add volumes
for volumeHost, volumeContainer := range volumes {
rawArgs = append(rawArgs, "-v="+volumeHost+":"+volumeContainer)
}
rawArgs = append(rawArgs, image)
// Initiate the command with several arguments
runCmd := runFunc.Call(util.BuildReflectArguments(rawArgs))[0].Interface().(*exec.Cmd)
util.Debug("Start command:", runCmd.Args)
out, err := runCmd.CombinedOutput()
if err != nil {
util.LogError(string(out))
}
return string(out)
}
func Exec(args []string, hasStdout bool) {
execFunc := reflect.ValueOf(exec.Command)
execCmd := execFunc.Call(util.BuildReflectArguments(args))[0].Interface().(*exec.Cmd)
if hasStdout {
execCmd.Stdout = os.Stdout
}
execCmd.Stdin = os.Stdin
execCmd.Stderr = os.Stderr
util.Debug("Exec command:", execCmd.Args)
if err := execCmd.Start(); err != nil {
util.LogError(err)
}
}
func Enter(name string) {
var pid string
var imageExists bool
nsenter, _ := exec.LookPath("nsenter")
ps, _ := SnapshotProcesses()
if pid, imageExists = ps[name]; !imageExists {
util.LogError("Image " + name + " doesn't exists")
}
statePidBuff, _ := Inspect(pid, "--format", "{{.State.Pid}}")
statePid := strings.TrimSpace(string(statePidBuff))
enterCmd := exec.Command("sudo", nsenter, "--target", statePid, "--mount", "--uts", "--ipc", "--net", "--pid")
enterCmd.Stdout = os.Stdout
enterCmd.Stdin = os.Stdin
enterCmd.Stderr = os.Stderr
util.Debug("Run command:", enterCmd.Args)
if err := enterCmd.Run(); err != nil {
util.LogError(err)
}
}
