func RunProxy(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
port := cmdutil.GetFlagInt(cmd, "port")
fmt.Fprintf(out, "Starting to serve on localhost:%d", port)
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
staticPrefix := cmdutil.GetFlagString(cmd, "www-prefix")
if !strings.HasSuffix(staticPrefix, "/") {
staticPrefix += "/"
}
apiProxyPrefix := cmdutil.GetFlagString(cmd, "api-prefix")
if !strings.HasSuffix(apiProxyPrefix, "/") {
apiProxyPrefix += "/"
}
filter := &qingctl.FilterServer{
AcceptPaths: qingctl.MakeRegexpArrayOrDie(cmdutil.GetFlagString(cmd, "accept-paths")),
RejectPaths: qingctl.MakeRegexpArrayOrDie(cmdutil.GetFlagString(cmd, "reject-paths")),
AcceptHosts: qingctl.MakeRegexpArrayOrDie(cmdutil.GetFlagString(cmd, "accept-hosts")),
}
if cmdutil.GetFlagBool(cmd, "disable-filter") {
glog.Warning("Request filter disabled, your proxy is vulnerable to XSRF attacks, please be cautious")
filter = nil
}
server, err := qingctl.NewProxyServer(cmdutil.GetFlagString(cmd, "www"), apiProxyPrefix, staticPrefix, filter, clientConfig)
if err != nil {
return err
}
glog.Fatal(server.Serve(port))
return nil
}
func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
namespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
mapping, err := r.ResourceMapping()
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
}
if len(infos) > 1 {
return fmt.Errorf("multiple resources provided: %v", args)
}
info := infos[0]
// Get the input object
client, err := f.RESTClient(mapping)
if err != nil {
return err
}
inputObject, err := resource.NewHelper(client, mapping).Get(info.Namespace, info.Name)
if err != nil {
return err
}
// Get the generator, setup and validate all required parameters
generatorName := cmdutil.GetFlagString(cmd, "generator")
generator, found := f.Generator(generatorName)
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
}
names := generator.ParamNames()
params := qingctl.MakeParams(cmd, names)
params["default-name"] = info.Name
if s, found := params["selector"]; !found || len(s) == 0 || cmdutil.GetFlagInt(cmd, "port") < 1 {
if len(s) == 0 {
s, err := f.PodSelectorForObject(inputObject)
if err != nil {
return err
}
params["selector"] = s
}
noPorts := true
for _, param := range names {
if param.Name == "port" {
noPorts = false
break
}
}
if cmdutil.GetFlagInt(cmd, "port") < 0 && !noPorts {
ports, err := f.PortsForObject(inputObject)
if err != nil {
return err
}
switch len(ports) {
case 0:
return cmdutil.UsageError(cmd, "couldn't find a suitable port via --port flag or introspection")
case 1:
params["port"] = ports[0]
default:
return cmdutil.UsageError(cmd, "more than one port to choose from, please explicitly specify a port using the --port flag.")
}
}
}
if cmdutil.GetFlagBool(cmd, "create-external-load-balancer") {
params["create-external-load-balancer"] = "true"
}
if len(params["labels"]) == 0 {
labels, err := f.LabelsForObject(inputObject)
if err != nil {
return err
}
params["labels"] = qingctl.MakeLabels(labels)
}
if v := cmdutil.GetFlagString(cmd, "type"); v != "" {
params["type"] = v
}
err = qingctl.ValidateParams(names, params)
if err != nil {
return err
}
// Expose new object
object, err := generator.Generate(params)
if err != nil {
return err
}
inline := cmdutil.GetFlagString(cmd, "overrides")
if len(inline) > 0 {
object, err = cmdutil.Merge(object, inline, mapping.Kind)
if err != nil {
return err
}
}
// TODO: extract this flag to a central location, when such a location exists.
if !cmdutil.GetFlagBool(cmd, "dry-run") {
resourceMapper := &resource.Mapper{typer, mapper, f.ClientMapperForCommand()}
info, err := resourceMapper.InfoForObject(object)
if err != nil {
return err
}
data, err := info.Mapping.Codec.Encode(object)
if err != nil {
return err
}
_, err = resource.NewHelper(info.Client, info.Mapping).Create(namespace, false, data)
if err != nil {
return err
}
}
if cmdutil.GetFlagBool(cmd, "create-external-load-balancer") {
msg := fmt.Sprintf(`
An external load-balanced service was created. On many platforms (e.g. Google Compute Engine),
you will also need to explicitly open a firewall rule for the service port (%d) to serve traffic.
See https://github.com/qingyuancloud/QingYuan/tree/master/docs/services-firewall.md for more details.
`, cmdutil.GetFlagInt(cmd, "port"))
out.Write([]byte(msg))
}
return f.PrintObject(cmd, object, out)
}
func RunDelete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames util.StringList) error {
cmdNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(filenames...).
SelectorParam(cmdutil.GetFlagString(cmd, "selector")).
SelectAllParam(cmdutil.GetFlagBool(cmd, "all")).
ResourceTypeOrNameArgs(false, args...).RequireObject(false).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
ignoreNotFound := cmdutil.GetFlagBool(cmd, "ignore-not-found")
// By default use a reaper to delete all related resources.
if cmdutil.GetFlagBool(cmd, "cascade") {
return ReapResult(r, f, out, cmdutil.GetFlagBool(cmd, "cascade"), ignoreNotFound, cmdutil.GetFlagDuration(cmd, "timeout"), cmdutil.GetFlagInt(cmd, "grace-period"))
}
return DeleteResult(r, out, ignoreNotFound)
}
func RunStop(f *cmdutil.Factory, cmd *cobra.Command, args []string, filenames util.StringList, out io.Writer) error {
cmdNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(cmdNamespace).RequireNamespace().
ResourceTypeOrNameArgs(false, args...).
FilenameParam(filenames...).
SelectorParam(cmdutil.GetFlagString(cmd, "selector")).
SelectAllParam(cmdutil.GetFlagBool(cmd, "all")).
Flatten().
Do()
if r.Err() != nil {
return r.Err()
}
return ReapResult(r, f, out, false, cmdutil.GetFlagBool(cmd, "ignore-not-found"), cmdutil.GetFlagDuration(cmd, "timeout"), cmdutil.GetFlagInt(cmd, "grace-period"))
}