func main() {
flag.Parse()
if flag.NArg() < 1 {
log.Fatal(usage)
}
if *podName == "" {
if flag.NArg() > 1 {
log.Fatal(usage)
}
_, *podName = parseDockerImage(flag.Arg(0))
}
if (!*generateJSON && !*generateYAML) || (*generateJSON && *generateYAML) {
log.Fatal(usage)
}
dockerHost := os.Getenv("DOCKER_HOST")
if dockerHost == "" {
log.Fatalf("DOCKER_HOST is not set")
}
docker, err := dockerclient.NewClient(dockerHost)
if err != nil {
log.Fatalf("failed to connect to %q: %v", dockerHost, err)
}
podContainers := []v1beta1.Container{}
for _, imageName := range flag.Args() {
parts, baseName := parseDockerImage(imageName)
container := v1beta1.Container{
Name: baseName,
Image: imageName,
}
// TODO(proppy): use the regitry API instead of the remote API to get image metadata.
img, err := docker.InspectImage(imageName)
if err != nil {
log.Fatalf("failed to inspect image %q: %v", imageName, err)
}
for p := range img.Config.ExposedPorts {
port, err := strconv.Atoi(p.Port())
if err != nil {
log.Fatalf("failed to parse port %q: %v", parts[0], err)
}
container.Ports = append(container.Ports, v1beta1.Port{
Name: strings.Join([]string{baseName, p.Proto(), p.Port()}, "-"),
ContainerPort: port,
Protocol: v1beta1.Protocol(strings.ToUpper(p.Proto())),
})
}
podContainers = append(podContainers, container)
}
// TODO(proppy): add flag to handle multiple version
manifest := v1beta1.ContainerManifest{
Version: "v1beta1",
ID: *podName + "-pod",
Containers: podContainers,
RestartPolicy: v1beta1.RestartPolicy{
Always: &v1beta1.RestartPolicyAlways{},
},
}
if *generateJSON {
bs, err := json.MarshalIndent(manifest, "", " ")
if err != nil {
log.Fatalf("failed to render JSON container manifest: %v", err)
}
os.Stdout.Write(bs)
}
if *generateYAML {
bs, err := yaml.Marshal(manifest)
if err != nil {
log.Fatalf("failed to render YAML container manifest: %v", err)
}
os.Stdout.Write(bs)
}
}
func main() {
flag.Parse()
if flag.NArg() < 1 {
log.Fatal(usage)
}
if *podName == "" {
if flag.NArg() > 1 {
log.Print(usage)
log.Fatal("podex: -id arg is required when passing more than one image")
}
_, _, *podName, _ = splitDockerImageName(flag.Arg(0))
}
if (!*generateJSON && !*generateYAML) || (*generateJSON && *generateYAML) {
log.Fatal(usage)
}
podContainers := []v1beta1.Container{}
for _, imageName := range flag.Args() {
host, namespace, repo, tag := splitDockerImageName(imageName)
container := v1beta1.Container{
Name: repo,
Image: imageName,
}
img, err := getImageMetadata(host, namespace, repo, tag)
if err != nil {
log.Fatalf("failed to get image metadata %q: %v", imageName, err)
}
for p := range img.ContainerConfig.ExposedPorts {
port, err := strconv.Atoi(p.Port())
if err != nil {
log.Fatalf("failed to parse port %q: %v", p.Port(), err)
}
container.Ports = append(container.Ports, v1beta1.Port{
Name: strings.Join([]string{repo, p.Proto(), p.Port()}, "-"),
ContainerPort: port,
Protocol: v1beta1.Protocol(strings.ToUpper(p.Proto())),
})
}
podContainers = append(podContainers, container)
}
// TODO(proppy): add flag to handle multiple version
manifest := v1beta1.ContainerManifest{
Version: "v1beta1",
ID: *podName + "-pod",
Containers: podContainers,
RestartPolicy: v1beta1.RestartPolicy{
Always: &v1beta1.RestartPolicyAlways{},
},
}
if *generateJSON {
bs, err := json.MarshalIndent(manifest, "", " ")
if err != nil {
log.Fatalf("failed to render JSON container manifest: %v", err)
}
os.Stdout.Write(bs)
}
if *generateYAML {
bs, err := yaml.Marshal(manifest)
if err != nil {
log.Fatalf("failed to render YAML container manifest: %v", err)
}
os.Stdout.Write(bs)
}
}