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ostree_deployment.go
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ostree_deployment.go
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package manifest
import (
"fmt"
"os"
"strings"
"github.com/osbuild/images/internal/common"
"github.com/osbuild/images/pkg/container"
"github.com/osbuild/images/pkg/customizations/fsnode"
"github.com/osbuild/images/pkg/customizations/users"
"github.com/osbuild/images/pkg/disk"
"github.com/osbuild/images/pkg/osbuild"
"github.com/osbuild/images/pkg/ostree"
"github.com/osbuild/images/pkg/platform"
"github.com/osbuild/images/pkg/rpmmd"
)
// OSTreeDeployment represents the filesystem tree of a target image based
// on a deployed ostree commit.
type OSTreeDeployment struct {
Base
Remote ostree.Remote
OSVersion string
// commitSource represents the source that will be used to retrieve the
// ostree commit for this pipeline.
commitSource *ostree.SourceSpec
// ostreeSpec is the resolved commit that will be deployed in this pipeline.
ostreeSpec *ostree.CommitSpec
// containerSource represents the source that will be used to retrieve the
// ostree native container for this pipeline.
containerSource *container.SourceSpec
// containerSpec is the resolved ostree native container that will be
// deployed in this pipeline.
containerSpec *container.Spec
SysrootReadOnly bool
osName string
ref string
KernelOptionsAppend []string
Keyboard string
Locale string
Users []users.User
Groups []users.Group
platform platform.Platform
PartitionTable *disk.PartitionTable
// Specifies the ignition platform to use.
// If empty, ignition is not enabled.
IgnitionPlatform string
Directories []*fsnode.Directory
Files []*fsnode.File
EnabledServices []string
DisabledServices []string
FIPS bool
// Lock the root account in the deployment unless the user defined root
// user options in the build configuration.
LockRoot bool
}
// NewOSTreeCommitDeployment creates a pipeline for an ostree deployment from a
// commit.
func NewOSTreeCommitDeployment(buildPipeline *Build,
m *Manifest,
commit *ostree.SourceSpec,
osName string,
platform platform.Platform) *OSTreeDeployment {
p := &OSTreeDeployment{
Base: NewBase(m, "ostree-deployment", buildPipeline),
commitSource: commit,
osName: osName,
platform: platform,
}
buildPipeline.addDependent(p)
m.addPipeline(p)
return p
}
// NewOSTreeDeployment creates a pipeline for an ostree deployment from a
// container
func NewOSTreeContainerDeployment(buildPipeline *Build,
m *Manifest,
container *container.SourceSpec,
ref string,
osName string,
platform platform.Platform) *OSTreeDeployment {
p := &OSTreeDeployment{
Base: NewBase(m, "ostree-deployment", buildPipeline),
containerSource: container,
osName: osName,
ref: ref,
platform: platform,
}
buildPipeline.addDependent(p)
m.addPipeline(p)
return p
}
func (p *OSTreeDeployment) getBuildPackages(Distro) []string {
packages := []string{
"rpm-ostree",
}
return packages
}
func (p *OSTreeDeployment) getOSTreeCommits() []ostree.CommitSpec {
if p.ostreeSpec == nil {
return []ostree.CommitSpec{}
}
return []ostree.CommitSpec{*p.ostreeSpec}
}
func (p *OSTreeDeployment) getOSTreeCommitSources() []ostree.SourceSpec {
if p.commitSource == nil {
return []ostree.SourceSpec{}
}
return []ostree.SourceSpec{
*p.commitSource,
}
}
func (p *OSTreeDeployment) getContainerSpecs() []container.Spec {
if p.containerSpec == nil {
return []container.Spec{}
}
return []container.Spec{*p.containerSpec}
}
func (p *OSTreeDeployment) getContainerSources() []container.SourceSpec {
if p.containerSource == nil {
return []container.SourceSpec{}
}
return []container.SourceSpec{
*p.containerSource,
}
}
func (p *OSTreeDeployment) serializeStart(packages []rpmmd.PackageSpec, containers []container.Spec, commits []ostree.CommitSpec) {
if p.ostreeSpec != nil || p.containerSpec != nil {
panic("double call to serializeStart()")
}
switch {
case len(commits) == 1:
p.ostreeSpec = &commits[0]
case len(containers) == 1:
p.containerSpec = &containers[0]
default:
panic(fmt.Sprintf("pipeline requires exactly one ostree commit or one container (have commits: %v; containers: %v)", commits, containers))
}
}
func (p *OSTreeDeployment) serializeEnd() {
switch {
case p.ostreeSpec == nil && p.containerSpec == nil:
panic("serializeEnd() call when serialization not in progress")
case p.ostreeSpec != nil && p.containerSpec != nil:
panic("serializeEnd() multiple payload sources defined")
}
p.ostreeSpec = nil
p.containerSpec = nil
}
func (p *OSTreeDeployment) doOSTreeSpec(pipeline *osbuild.Pipeline, repoPath string, kernelOpts []string) string {
commit := *p.ostreeSpec
ref := commit.Ref
pipeline.AddStage(osbuild.NewOSTreePullStage(
&osbuild.OSTreePullStageOptions{Repo: repoPath, Remote: p.Remote.Name},
osbuild.NewOstreePullStageInputs("org.osbuild.source", commit.Checksum, ref),
))
pipeline.AddStage(osbuild.NewOSTreeDeployStage(
&osbuild.OSTreeDeployStageOptions{
OsName: p.osName,
Ref: ref,
Remote: p.Remote.Name,
Mounts: []string{"/boot", "/boot/efi"},
Rootfs: osbuild.Rootfs{
Label: "root",
},
KernelOpts: kernelOpts,
},
))
if p.Remote.URL != "" {
pipeline.AddStage(osbuild.NewOSTreeRemotesStage(
&osbuild.OSTreeRemotesStageOptions{
Repo: "/ostree/repo",
Remotes: []osbuild.OSTreeRemote{
{
Name: p.Remote.Name,
URL: p.Remote.URL,
ContentURL: p.Remote.ContentURL,
GPGKeyPaths: p.Remote.GPGKeyPaths,
},
},
},
))
}
pipeline.AddStage(osbuild.NewOSTreeFillvarStage(
&osbuild.OSTreeFillvarStageOptions{
Deployment: osbuild.OSTreeDeployment{
OSName: p.osName,
Ref: ref,
},
},
))
return ref
}
func (p *OSTreeDeployment) doOSTreeContainerSpec(pipeline *osbuild.Pipeline, repoPath string, kernelOpts []string) string {
cont := *p.containerSpec
ref := p.ref
options := &osbuild.OSTreeDeployContainerStageOptions{
OsName: p.osName,
KernelOpts: p.KernelOptionsAppend,
// NOTE: setting the target imgref to be the container source but
// we should make this configurable
TargetImgref: fmt.Sprintf("ostree-remote-registry:%s:%s", p.Remote.Name, p.containerSpec.Source),
Mounts: []string{"/boot", "/boot/efi"},
Rootfs: &osbuild.Rootfs{
Label: "root",
},
}
images := osbuild.NewContainersInputForSources([]container.Spec{cont})
pipeline.AddStage(osbuild.NewOSTreeDeployContainerStage(options, images))
return ref
}
func (p *OSTreeDeployment) serialize() osbuild.Pipeline {
switch {
case p.ostreeSpec == nil && p.containerSpec == nil:
panic("serialization not started")
case p.ostreeSpec != nil && p.containerSpec != nil:
panic("serialize() multiple payload sources defined")
}
const repoPath = "/ostree/repo"
pipeline := p.Base.serialize()
pipeline.AddStage(osbuild.OSTreeInitFsStage())
pipeline.AddStage(osbuild.NewOSTreeOsInitStage(
&osbuild.OSTreeOsInitStageOptions{
OSName: p.osName,
},
))
pipeline.AddStage(osbuild.NewMkdirStage(&osbuild.MkdirStageOptions{
Paths: []osbuild.MkdirStagePath{
{
Path: "/boot/efi",
Mode: common.ToPtr(os.FileMode(0700)),
},
},
}))
kernelOpts := osbuild.GenImageKernelOptions(p.PartitionTable)
kernelOpts = append(kernelOpts, p.KernelOptionsAppend...)
if p.IgnitionPlatform != "" {
kernelOpts = append(kernelOpts,
"ignition.platform.id="+p.IgnitionPlatform,
"$ignition_firstboot",
)
}
if p.FIPS {
kernelOpts = append(kernelOpts, osbuild.GenFIPSKernelOptions(p.PartitionTable)...)
p.Files = append(p.Files, osbuild.GenFIPSFiles()...)
}
var ref string
switch {
case p.ostreeSpec != nil:
ref = p.doOSTreeSpec(&pipeline, repoPath, kernelOpts)
case p.containerSpec != nil:
ref = p.doOSTreeContainerSpec(&pipeline, repoPath, kernelOpts)
default:
// this should be caught at the top of the function, but let's check
// again to avoid bugs from bad refactoring.
panic("no content source defined for ostree deployment")
}
configStage := osbuild.NewOSTreeConfigStage(
&osbuild.OSTreeConfigStageOptions{
Repo: repoPath,
Config: &osbuild.OSTreeConfig{
Sysroot: &osbuild.SysrootOptions{
ReadOnly: &p.SysrootReadOnly,
Bootloader: "none",
},
},
},
)
configStage.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(configStage)
fstabOptions := osbuild.NewFSTabStageOptions(p.PartitionTable)
fstabStage := osbuild.NewFSTabStage(fstabOptions)
fstabStage.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(fstabStage)
if len(p.Users) > 0 {
usersStage, err := osbuild.GenUsersStage(p.Users, false)
if err != nil {
panic("password encryption failed")
}
usersStage.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(usersStage)
}
if len(p.Groups) > 0 {
grpStage := osbuild.GenGroupsStage(p.Groups)
grpStage.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(grpStage)
}
if p.IgnitionPlatform != "" {
pipeline.AddStage(osbuild.NewIgnitionStage(&osbuild.IgnitionStageOptions{
// This is a workaround to make the systemd believe it's firstboot when ignition runs on real firstboot.
// Right now, since we ship /etc/machine-id, systemd thinks it's not firstboot and ignition depends on it
// to run on the real firstboot to enable services from presets.
// Since this only applies to artifacts with ignition and changing machineid-compat at commit creation time may
// have undesiderable effect, we're doing it here as a stopgap. We may revisit this in the future.
Network: []string{
"systemd.firstboot=off",
"systemd.condition-first-boot=true",
},
}))
// We enable / disable services below using the systemd stage, but its effect
// may be overridden by systemd which may reset enabled / disabled services on
// firstboot (which happend on F37+). This behavior, if available, is triggered
// only when Ignition is used. To prevent this and to not have a special cases
// in the code based on distro version, we enable / disable services also by
// creating a preset file.
if len(p.EnabledServices) != 0 || len(p.DisabledServices) != 0 {
presetsStage := osbuild.GenServicesPresetStage(p.EnabledServices, p.DisabledServices)
presetsStage.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(presetsStage)
}
}
// if no root password is set, lock the root account
hasRoot := false
for _, user := range p.Users {
if user.Name == "root" {
hasRoot = true
break
}
}
if p.LockRoot && !hasRoot {
userOptions := &osbuild.UsersStageOptions{
Users: map[string]osbuild.UsersStageOptionsUser{
"root": {
Password: common.ToPtr("!locked"), // this is treated as crypted and locks/disables the password
},
},
}
rootLockStage := osbuild.NewUsersStage(userOptions)
rootLockStage.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(rootLockStage)
}
if p.Keyboard != "" {
options := &osbuild.KeymapStageOptions{
Keymap: p.Keyboard,
}
keymapStage := osbuild.NewKeymapStage(options)
keymapStage.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(keymapStage)
}
if p.Locale != "" {
options := &osbuild.LocaleStageOptions{
Language: p.Locale,
}
localeStage := osbuild.NewLocaleStage(options)
localeStage.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(localeStage)
}
if p.FIPS {
for _, stage := range osbuild.GenFIPSStages() {
stage.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(stage)
}
}
grubOptions := osbuild.NewGrub2StageOptionsUnified(p.PartitionTable,
strings.Join(kernelOpts, " "),
"",
p.platform.GetUEFIVendor() != "",
p.platform.GetBIOSPlatform(),
p.platform.GetUEFIVendor(), true)
grubOptions.Greenboot = true
grubOptions.Ignition = p.IgnitionPlatform != ""
grubOptions.Config = &osbuild.GRUB2Config{
Default: "saved",
Timeout: 1,
TerminalOutput: []string{"console"},
}
bootloader := osbuild.NewGRUB2Stage(grubOptions)
bootloader.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(bootloader)
// First create custom directories, because some of the files may depend on them
if len(p.Directories) > 0 {
dirStages := osbuild.GenDirectoryNodesStages(p.Directories)
for _, stage := range dirStages {
stage.MountOSTree(p.osName, ref, 0)
}
pipeline.AddStages(dirStages...)
}
if len(p.Files) > 0 {
fileStages := osbuild.GenFileNodesStages(p.Files)
for _, stage := range fileStages {
stage.MountOSTree(p.osName, ref, 0)
}
pipeline.AddStages(fileStages...)
}
if len(p.EnabledServices) != 0 || len(p.DisabledServices) != 0 {
systemdStage := osbuild.NewSystemdStage(&osbuild.SystemdStageOptions{
EnabledServices: p.EnabledServices,
DisabledServices: p.DisabledServices,
})
systemdStage.MountOSTree(p.osName, ref, 0)
pipeline.AddStage(systemdStage)
}
pipeline.AddStage(osbuild.NewOSTreeSelinuxStage(
&osbuild.OSTreeSelinuxStageOptions{
Deployment: osbuild.OSTreeDeployment{
OSName: p.osName,
Ref: ref,
},
},
))
return pipeline
}
func (p *OSTreeDeployment) getInline() []string {
inlineData := []string{}
// inline data for custom files
for _, file := range p.Files {
inlineData = append(inlineData, string(file.Data()))
}
return inlineData
}