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mirror of https://github.com/linka-cloud/d2vm.git synced 2024-11-05 00:06:24 +00:00
d2vm/os_release.go
Adphi a41bbdb745
add grub-efi support
* tests: increase timeout
* ci: split e2e tests

Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>
2023-09-13 11:06:26 +02:00

113 lines
2.5 KiB
Go

// Copyright 2022 Linka Cloud All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package d2vm
import (
"context"
"strconv"
"strings"
"github.com/joho/godotenv"
"github.com/sirupsen/logrus"
"go.linka.cloud/d2vm/pkg/docker"
)
const (
ReleaseUbuntu Release = "ubuntu"
ReleaseDebian Release = "debian"
ReleaseAlpine Release = "alpine"
ReleaseCentOS Release = "centos"
ReleaseRHEL Release = "rhel"
ReleaseKali Release = "kali"
)
type Release string
func (r Release) Supported() bool {
switch r {
case ReleaseUbuntu:
return true
case ReleaseDebian:
return true
case ReleaseKali:
return true
case ReleaseAlpine:
return true
case ReleaseCentOS:
return true
case ReleaseRHEL:
return false
default:
return false
}
}
type OSRelease struct {
ID Release
Name string
VersionID string
Version string
VersionCodeName string
}
func (r OSRelease) SupportsLUKS() bool {
switch r.ID {
case ReleaseUbuntu:
return r.VersionID >= "20.04"
case ReleaseDebian:
v, err := strconv.Atoi(r.VersionID)
if err != nil {
logrus.Warnf("%s: failed to parse version id: %v", r.Version, err)
return false
}
return v >= 10
case ReleaseKali:
// TODO: check version
return true
case ReleaseCentOS:
return true
case ReleaseAlpine:
return true
case ReleaseRHEL:
return false
default:
return false
}
}
func ParseOSRelease(s string) (OSRelease, error) {
env, err := godotenv.Parse(strings.NewReader(s))
if err != nil {
return OSRelease{}, err
}
o := OSRelease{
ID: Release(strings.ToLower(env["ID"])),
Name: env["NAME"],
Version: env["VERSION"],
VersionID: env["VERSION_ID"],
VersionCodeName: env["VERSION_CODENAME"],
}
return o, nil
}
func FetchDockerImageOSRelease(ctx context.Context, img string) (OSRelease, error) {
o, _, err := docker.CmdOut(ctx, "run", "--rm", "-i", "--entrypoint", "cat", img, "/etc/os-release")
if err != nil {
return OSRelease{}, err
}
return ParseOSRelease(o)
}