mirror of
https://github.com/linka-cloud/d2vm.git
synced 2024-11-05 00:06:24 +00:00
convert / build: add networking support through network-manager flag
Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>
This commit is contained in:
parent
adbd4c7233
commit
b09f0e07ad
@ -27,7 +27,7 @@ func testSysconfig(t *testing.T, ctx context.Context, img, sysconf, kernel, init
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sys, err := sysconfig(r)
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require.NoError(t, err)
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assert.Equal(t, sysconf, sys)
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d, err := NewDockerfile(r, img, "root")
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d, err := NewDockerfile(r, img, "root", "")
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require.NoError(t, err)
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logrus.Infof("docker image based on %s", d.Release.Name)
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p := filepath.Join(tmpPath, docker.FormatImgName(img))
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@ -75,12 +75,6 @@ func TestSyslinuxCfg(t *testing.T) {
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initrd: "/boot/initrd.img",
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sysconfig: syslinuxCfgUbuntu,
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},
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{
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image: "debian:8",
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kernel: "/vmlinuz",
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initrd: "/initrd.img",
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sysconfig: syslinuxCfgDebian,
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},
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{
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image: "debian:9",
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kernel: "/vmlinuz",
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@ -32,6 +32,7 @@ import (
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var (
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file = "Dockerfile"
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tag = uuid.New().String()
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networkManager string
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buildArgs []string
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buildCmd = &cobra.Command{
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Use: "build [context directory]",
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@ -54,7 +55,7 @@ var (
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if err := docker.Build(cmd.Context(), tag, file, args[0], buildArgs...); err != nil {
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return err
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}
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return d2vm.Convert(cmd.Context(), tag, size, password, output, cmdLineExtra)
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return d2vm.Convert(cmd.Context(), tag, size, password, output, cmdLineExtra, d2vm.NetworkManager(networkManager))
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},
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}
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)
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@ -71,4 +72,5 @@ func init() {
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buildCmd.Flags().BoolVarP(&debug, "debug", "d", false, "Enable Debug output")
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buildCmd.Flags().BoolVar(&force, "force", false, "Override output image")
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buildCmd.Flags().StringVar(&cmdLineExtra, "append-to-cmdline", "", "Extra kernel cmdline arguments to append to the generated one")
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buildCmd.Flags().StringVar(&networkManager, "network-manager", "", "Network manager to use for the image: none, netplan, ifupdown")
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}
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@ -79,7 +79,7 @@ var (
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return err
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}
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}
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return d2vm.Convert(cmd.Context(), img, size, password, output, cmdLineExtra)
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return d2vm.Convert(cmd.Context(), img, size, password, output, cmdLineExtra, d2vm.NetworkManager(networkManager))
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},
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}
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)
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@ -100,5 +100,6 @@ func init() {
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convertCmd.Flags().BoolVarP(&debug, "debug", "d", false, "Enable Debug output")
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convertCmd.Flags().BoolVarP(&force, "force", "f", false, "Override output qcow2 image")
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convertCmd.Flags().StringVar(&cmdLineExtra, "append-to-cmdline", "", "Extra kernel cmdline arguments to append to the generated one")
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convertCmd.Flags().StringVar(&networkManager, "network-manager", "", "Network manager to use for the image: none, netplan, ifupdown")
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rootCmd.AddCommand(convertCmd)
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}
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@ -28,7 +28,7 @@ import (
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"go.linka.cloud/d2vm/pkg/docker"
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)
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func Convert(ctx context.Context, img string, size int64, password string, output string, cmdLineExtra string) error {
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func Convert(ctx context.Context, img string, size int64, password string, output string, cmdLineExtra string, networkManager NetworkManager) error {
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imgUUID := uuid.New().String()
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tmpPath := filepath.Join(os.TempDir(), "d2vm", imgUUID)
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if err := os.MkdirAll(tmpPath, os.ModePerm); err != nil {
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@ -41,7 +41,7 @@ func Convert(ctx context.Context, img string, size int64, password string, outpu
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if err != nil {
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return err
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}
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d, err := NewDockerfile(r, img, password)
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d, err := NewDockerfile(r, img, password, networkManager)
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if err != nil {
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return err
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}
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@ -19,6 +19,8 @@ import (
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"fmt"
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"io"
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"text/template"
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"github.com/sirupsen/logrus"
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)
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//go:embed templates/ubuntu.Dockerfile
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@ -40,10 +42,19 @@ var (
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centOSDockerfileTemplate = template.Must(template.New("centos.Dockerfile").Parse(centOSDockerfile))
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)
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type NetworkManager string
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const (
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NetworkManagerNone NetworkManager = "none"
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NetworkManagerIfupdown2 NetworkManager = "ifupdown"
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NetworkManagerNetplan NetworkManager = "netplan"
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)
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type Dockerfile struct {
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Image string
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Password string
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Release OSRelease
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NetworkManager NetworkManager
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tmpl *template.Template
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}
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@ -51,22 +62,30 @@ func (d Dockerfile) Render(w io.Writer) error {
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return d.tmpl.Execute(w, d)
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}
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func NewDockerfile(release OSRelease, img, password string) (Dockerfile, error) {
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func NewDockerfile(release OSRelease, img, password string, networkManager NetworkManager) (Dockerfile, error) {
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if password == "" {
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password = "root"
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}
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d := Dockerfile{Release: release, Image: img, Password: password}
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d := Dockerfile{Release: release, Image: img, Password: password, NetworkManager: networkManager}
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var net NetworkManager
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switch release.ID {
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case ReleaseDebian:
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d.tmpl = debianDockerfileTemplate
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net = NetworkManagerIfupdown2
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case ReleaseUbuntu:
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d.tmpl = ubuntuDockerfileTemplate
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net = NetworkManagerNetplan
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case ReleaseAlpine:
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d.tmpl = alpineDockerfileTemplate
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net = NetworkManagerIfupdown2
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case ReleaseCentOS:
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d.tmpl = centOSDockerfileTemplate
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default:
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return Dockerfile{}, fmt.Errorf("unsupported distribution: %s", release.ID)
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}
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if d.NetworkManager == "" {
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logrus.Warnf("no network manager specified, using distribution defaults: %s", net)
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d.NetworkManager = net
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}
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return d, nil
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}
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@ -21,3 +21,11 @@ RUN for s in devfs dmesg hwdrivers mdev; do rc-update add $s sysinit; done
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RUN echo "root:{{- if .Password}}{{ .Password}}{{- else}}root{{- end}}" | chpasswd
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{{ if eq .NetworkManager "ifupdown"}}
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RUN apk add --no-cache ifupdown-ng
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RUN mkdir -p /etc/network && printf '\
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auto eth0\n\
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allow-hotplug eth0\n\
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iface eth0 inet dhcp\n\
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' > /etc/network/interfaces
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{{ end }}
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@ -17,3 +17,26 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
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RUN systemctl preset-all
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RUN echo "root:{{- if .Password}}{{ .Password}}{{- else}}root{{- end}}" | chpasswd
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{{ if eq .NetworkManager "netplan" }}
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RUN apt install -y netplan.io
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RUN mkdir -p /etc/netplan && printf '\
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network:\n\
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version: 2\n\
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renderer: networkd\n\
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ethernets:\n\
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eth0:\n\
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dhcp4: true\n\
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nameservers:\n\
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addresses:\n\
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- 8.8.8.8\n\
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- 8.8.4.4\n\
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' > /etc/netplan/00-netcfg.yaml \
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{{ else if eq .NetworkManager "ifupdown"}}
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RUN apt install -y ifupdown2
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RUN mkdir -p /etc/network && printf '\
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auto eth0\n\
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allow-hotplug eth0\n\
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iface eth0 inet dhcp\n\
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' > /etc/network/interfaces
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{{ end }}
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@ -16,3 +16,26 @@ RUN apt-get update -y && \
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RUN systemctl preset-all
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RUN echo "root:{{- if .Password}}{{ .Password}}{{- else}}root{{- end}}" | chpasswd
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{{ if eq .NetworkManager "netplan" }}
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RUN apt install -y netplan.io
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RUN mkdir -p /etc/netplan && printf '\
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network:\n\
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version: 2\n\
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renderer: networkd\n\
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ethernets:\n\
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eth0:\n\
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dhcp4: true\n\
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nameservers:\n\
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addresses:\n\
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- 8.8.8.8\n\
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- 8.8.4.4\n\
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' > /etc/netplan/00-netcfg.yaml \
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{{ else if eq .NetworkManager "ifupdown"}}
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RUN apt install -y ifupdown-ng
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RUN mkdir -p /etc/network && printf '\
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auto eth0\n\
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allow-hotplug eth0\n\
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iface eth0 inet dhcp\n\
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' > /etc/network/interfaces
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{{ end }}
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