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// Copyright © 2013, 2014, The Go-LXC Authors. All rights reserved.
// Use of this source code is governed by a LGPLv2.1
// license that can be found in the LICENSE file.
// +build linux,cgo
package main
import (
"flag"
"log"
"github.com/lxc/go-lxc"
)
var (
lxcpath string
template string
distro string
release string
arch string
name string
verbose bool
flush bool
validation bool
fssize string
bdevtype string
)
func init() {
flag.StringVar(&lxcpath, "lxcpath", lxc.DefaultConfigPath(), "Use specified container path")
flag.StringVar(&template, "template", "download", "Template to use")
flag.StringVar(&distro, "distro", "ubuntu", "Template to use")
flag.StringVar(&release, "release", "trusty", "Template to use")
flag.StringVar(&arch, "arch", "amd64", "Template to use")
flag.StringVar(&name, "name", "rubik", "Name of the container")
flag.BoolVar(&verbose, "verbose", false, "Verbose output")
flag.BoolVar(&flush, "flush", false, "Flush the cache")
flag.BoolVar(&validation, "validation", false, "GPG validation")
flag.StringVar(&bdevtype, "bdev", "dir", "backing store type")
flag.StringVar(&fssize, "fssize", "", "backing store size")
// TODO support more flags for zfs, lvm, or rbd
flag.Parse()
}
func main() {
c, err := lxc.NewContainer(name, lxcpath)
if err != nil {
log.Fatalf("ERROR: %s\n", err.Error())
}
defer c.Release()
log.Printf("Creating container...\n")
if verbose {
c.SetVerbosity(lxc.Verbose)
}
var backend lxc.BackendStore
if err := (&backend).Set(bdevtype); err != nil {
log.Fatalf("ERROR: %s\n", err.Error())
}
var bdevSize lxc.ByteSize
if fssize != "" {
var err error
bdevSize, err = lxc.ParseBytes(fssize)
if err != nil {
log.Fatalf("ERROR: %s\n", err.Error())
}
}
options := lxc.TemplateOptions{
Template: template,
Distro: distro,
Release: release,
Arch: arch,
FlushCache: flush,
DisableGPGValidation: validation,
Backend: backend,
BackendSpecs: &lxc.BackendStoreSpecs{
FSSize: uint64(bdevSize),
},
}
c.SetLogFile("log")
c.SetLogLevel(lxc.DEBUG)
if err := c.Create(options); err != nil {
log.Printf("ERROR: %s\n", err.Error())
}
}
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