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package main
/*
#define _GNU_SOURCE
#include <errno.h>
#include <fcntl.h>
#include <sched.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
__attribute__((constructor)) void init(void) {
int ret;
int mntns_fd;
if (getenv("SNAP") == NULL)
return;
mntns_fd = open("/proc/1/ns/mnt", O_RDONLY | O_CLOEXEC);
if (ret < 0) {
fprintf(stderr, "Failed open mntns: %s\n", strerror(errno));
_exit(EXIT_FAILURE);
}
ret = setns(mntns_fd, CLONE_NEWNS);
close(mntns_fd);
if (ret < 0) {
fprintf(stderr, "Failed setns to outside mount namespace: %s\n", strerror(errno));
_exit(EXIT_FAILURE);
}
ret = chdir("/");
if (ret < 0) {
fprintf(stderr, "Failed chdir /: %s\n", strerror(errno));
_exit(EXIT_FAILURE);
}
// We're done, jump back to Go
}
*/
import "C"
import (
"os"
"github.com/spf13/cobra"
"github.com/canonical/lxd/shared/version"
)
type cmdGlobal struct {
flagVersion bool
flagHelp bool
}
func main() {
// migrate command (main)
migrateCmd := cmdMigrate{}
app := migrateCmd.Command()
app.SilenceUsage = true
app.CompletionOptions = cobra.CompletionOptions{DisableDefaultCmd: true}
// Workaround for main command
app.Args = cobra.ArbitraryArgs
// Global flags
globalCmd := cmdGlobal{}
migrateCmd.global = &globalCmd
app.PersistentFlags().BoolVar(&globalCmd.flagVersion, "version", false, "Print version number")
app.PersistentFlags().BoolVarP(&globalCmd.flagHelp, "help", "h", false, "Print help")
// Version handling
app.SetVersionTemplate("{{.Version}}\n")
app.Version = version.Version
// netcat sub-command
netcatCmd := cmdNetcat{global: &globalCmd}
app.AddCommand(netcatCmd.Command())
// Run the main command and handle errors
err := app.Execute()
if err != nil {
os.Exit(1)
}
}
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