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https://github.com/siderolabs/talos.git
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8f10647d3f
This change ensures that the installer has access to the machine config so that it can set the extra kernel arguments when installing. Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
87 lines
2.6 KiB
Go
87 lines
2.6 KiB
Go
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package install
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import (
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"context"
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"log"
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"github.com/containerd/containerd"
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"github.com/containerd/containerd/cio"
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"github.com/containerd/containerd/namespaces"
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"github.com/containerd/containerd/oci"
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"github.com/opencontainers/runtime-spec/specs-go"
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"github.com/pkg/errors"
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"github.com/talos-systems/talos/internal/pkg/kernel"
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"github.com/talos-systems/talos/pkg/constants"
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)
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// Install performs an installation via the installer container.
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func Install(ref string, disk string, platform string) error {
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ctx := namespaces.WithNamespace(context.Background(), constants.SystemContainerdNamespace)
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client, err := containerd.New(constants.SystemContainerdAddress)
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if err != nil {
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return err
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}
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log.Printf("running install via %q", ref)
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image, err := client.Pull(ctx, ref, []containerd.RemoteOpt{containerd.WithPullUnpack}...)
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if err != nil {
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return err
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}
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mounts := []specs.Mount{
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{Type: "bind", Destination: "/dev", Source: "/dev", Options: []string{"rbind", "rshared", "rw"}},
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}
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// TODO(andrewrynhard): To handle cases when the newer version changes the
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// platform name, this should be determined in the installer container.
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var userdata *string
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if userdata = kernel.ProcCmdline().Get(constants.KernelParamUserData).First(); userdata == nil {
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return errors.Errorf("no user data option was found")
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}
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specOpts := []oci.SpecOpts{
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oci.WithImageConfig(image),
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oci.WithProcessArgs([]string{"/bin/entrypoint.sh", "install", "-d", disk, "-p", platform, "-u", *userdata}...),
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oci.WithHostNamespace(specs.NetworkNamespace),
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oci.WithHostNamespace(specs.PIDNamespace),
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oci.WithMounts(mounts),
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oci.WithHostHostsFile,
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oci.WithHostResolvconf,
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oci.WithParentCgroupDevices,
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oci.WithPrivileged,
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}
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containerOpts := []containerd.NewContainerOpts{
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containerd.WithImage(image),
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containerd.WithNewSnapshot("upgrade", image),
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containerd.WithNewSpec(specOpts...),
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}
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container, err := client.NewContainer(ctx, "upgrade", containerOpts...)
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if err != nil {
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return err
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}
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t, err := container.NewTask(ctx, cio.LogFile("/dev/kmsg"))
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if err != nil {
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return err
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}
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if err = t.Start(ctx); err != nil {
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return errors.Wrapf(err, "failed to start task: %q", "upgrade")
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}
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statusC, err := t.Wait(ctx)
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if err != nil {
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return errors.Wrapf(err, "failed waiting for task: %q", "upgrade")
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}
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status := <-statusC
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code := status.ExitCode()
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if code != 0 {
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return errors.Errorf("task %q failed: exit code %d", "upgrade", code)
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}
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return nil
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}
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