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builder_kraftfile_unikraft.go
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builder_kraftfile_unikraft.go
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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
// Licensed under the BSD-3-Clause License (the "License").
// You may not use this file except in compliance with the License.
package build
import (
"context"
"fmt"
"os"
"github.com/sirupsen/logrus"
"kraftkit.sh/config"
"kraftkit.sh/exec"
"kraftkit.sh/iostreams"
"kraftkit.sh/log"
"kraftkit.sh/make"
"kraftkit.sh/pack"
"kraftkit.sh/packmanager"
"kraftkit.sh/tui/paraprogress"
"kraftkit.sh/tui/processtree"
"kraftkit.sh/unikraft"
"kraftkit.sh/unikraft/app"
"kraftkit.sh/unikraft/target"
)
type builderKraftfileUnikraft struct {
nameWidth int
}
// String implements fmt.Stringer.
func (build *builderKraftfileUnikraft) String() string {
return "unikraft"
}
// Buildable implements builder.
func (build *builderKraftfileUnikraft) Buildable(ctx context.Context, opts *BuildOptions, args ...string) (bool, error) {
if opts.project.Unikraft(ctx) == nil && opts.project.Template() == nil {
return false, fmt.Errorf("cannot build without unikraft core specification")
}
if opts.Rootfs == "" {
opts.Rootfs = opts.project.Rootfs()
}
return true, nil
}
func (build *builderKraftfileUnikraft) pull(ctx context.Context, opts *BuildOptions, targ target.Target, norender bool, nameWidth int) error {
var missingPacks []pack.Package
var processes []*paraprogress.Process
var searches []*processtree.ProcessTreeItem
parallel := !config.G[config.KraftKit](ctx).NoParallel
auths := config.G[config.KraftKit](ctx).Auth
if template := opts.project.Template(); template != nil {
if stat, err := os.Stat(template.Path()); err != nil || !stat.IsDir() || opts.ForcePull {
var templatePack pack.Package
treemodel, err := processtree.NewProcessTree(
ctx,
[]processtree.ProcessTreeOption{
processtree.IsParallel(parallel),
processtree.WithRenderer(norender),
processtree.WithFailFast(true),
},
processtree.NewProcessTreeItem(
fmt.Sprintf("finding %s",
unikraft.TypeNameVersion(template),
), "",
func(ctx context.Context) error {
p, err := packmanager.G(ctx).Catalog(ctx,
packmanager.WithName(template.Name()),
packmanager.WithTypes(template.Type()),
packmanager.WithVersion(template.Version()),
packmanager.WithSource(template.Source()),
packmanager.WithUpdate(opts.NoCache),
packmanager.WithAuthConfig(auths),
)
if err != nil {
return err
}
if len(p) == 0 {
return fmt.Errorf("could not find: %s",
unikraft.TypeNameVersion(template),
)
} else if len(p) > 1 {
return fmt.Errorf("too many options for %s",
unikraft.TypeNameVersion(template),
)
}
templatePack = p[0]
return nil
},
),
)
if err != nil {
return err
}
if err := treemodel.Start(); err != nil {
return fmt.Errorf("could not complete search: %v", err)
}
paramodel, err := paraprogress.NewParaProgress(
ctx,
[]*paraprogress.Process{
paraprogress.NewProcess(
fmt.Sprintf("pulling %s",
unikraft.TypeNameVersion(template),
),
func(ctx context.Context, w func(progress float64)) error {
return templatePack.Pull(
ctx,
pack.WithPullProgressFunc(w),
pack.WithPullWorkdir(opts.Workdir),
// pack.WithPullChecksum(!opts.NoChecksum),
pack.WithPullCache(!opts.NoCache),
pack.WithPullAuthConfig(auths),
)
},
),
},
paraprogress.IsParallel(parallel),
paraprogress.WithRenderer(norender),
paraprogress.WithFailFast(true),
paraprogress.WithNameWidth(nameWidth),
)
if err != nil {
return err
}
if err := paramodel.Start(); err != nil {
return fmt.Errorf("could not pull all components: %v", err)
}
}
templateProject, err := app.NewProjectFromOptions(ctx,
app.WithProjectWorkdir(template.Path()),
app.WithProjectDefaultKraftfiles(),
)
if err != nil {
return err
}
// Overwrite template with user options
opts.project, err = opts.project.MergeTemplate(ctx, templateProject)
if err != nil {
return err
}
}
components, err := opts.project.Components(ctx, targ)
if err != nil {
return err
}
for _, component := range components {
// Skip "finding" the component if path is the same as the source (which
// means that the source code is already available as it is a directory on
// disk. In this scenario, the developer is likely hacking the particular
// microlibrary/component.
if component.Path() == component.Source() {
continue
}
// Only continue to find and pull the component if it does not exist
// locally or the user has requested to --force-pull.
if stat, err := os.Stat(component.Path()); err == nil && stat.IsDir() && !opts.ForcePull {
continue
}
component := component // loop closure
auths := auths
if f, err := os.Stat(component.Source()); err == nil && f.IsDir() {
continue
}
searches = append(searches, processtree.NewProcessTreeItem(
fmt.Sprintf("finding %s",
unikraft.TypeNameVersion(component),
), "",
func(ctx context.Context) error {
p, err := packmanager.G(ctx).Catalog(ctx,
packmanager.WithName(component.Name()),
packmanager.WithTypes(component.Type()),
packmanager.WithVersion(component.Version()),
packmanager.WithSource(component.Source()),
packmanager.WithUpdate(opts.NoCache),
packmanager.WithAuthConfig(auths),
)
if err != nil {
return err
}
if len(p) == 0 {
return fmt.Errorf("could not find: %s",
unikraft.TypeNameVersion(component),
)
} else if len(p) > 1 {
return fmt.Errorf("too many options for %s",
unikraft.TypeNameVersion(component),
)
}
missingPacks = append(missingPacks, p...)
return nil
},
))
}
if len(searches) > 0 {
treemodel, err := processtree.NewProcessTree(
ctx,
[]processtree.ProcessTreeOption{
processtree.IsParallel(parallel),
processtree.WithRenderer(norender),
processtree.WithFailFast(true),
},
searches...,
)
if err != nil {
return err
}
if err := treemodel.Start(); err != nil {
return fmt.Errorf("could not complete search: %v", err)
}
}
if len(missingPacks) > 0 {
for _, p := range missingPacks {
p := p // loop closure
auths := auths
processes = append(processes, paraprogress.NewProcess(
fmt.Sprintf("pulling %s",
unikraft.TypeNameVersion(p),
),
func(ctx context.Context, w func(progress float64)) error {
return p.Pull(
ctx,
pack.WithPullProgressFunc(w),
pack.WithPullWorkdir(opts.Workdir),
// pack.WithPullChecksum(!opts.NoChecksum),
pack.WithPullCache(!opts.NoCache),
pack.WithPullAuthConfig(auths),
)
},
))
}
paramodel, err := paraprogress.NewParaProgress(
ctx,
processes,
paraprogress.IsParallel(parallel),
paraprogress.WithRenderer(norender),
paraprogress.WithFailFast(true),
paraprogress.WithNameWidth(build.nameWidth),
)
if err != nil {
return err
}
if err := paramodel.Start(); err != nil {
return fmt.Errorf("could not pull all components: %v", err)
}
}
return nil
}
func (build *builderKraftfileUnikraft) Prepare(ctx context.Context, opts *BuildOptions, targ target.Target, args ...string) error {
build.nameWidth = -1
norender := log.LoggerTypeFromString(config.G[config.KraftKit](ctx).Log.Type) != log.FANCY
// Calculate the width of the longest process name so that we can align the
// two independent processtrees if we are using "render" mode (aka the fancy
// mode is enabled).
if !norender {
// The longest word is "configuring" (which is 11 characters long), plus
// additional space characters (2 characters), brackets (2 characters) the
// name of the project and the target/plat string (which is variable in
// length).
if newLen := len(targ.Name()) + len(target.TargetPlatArchName(targ)) + 15; newLen > build.nameWidth {
build.nameWidth = newLen
}
components, err := opts.project.Components(ctx, targ)
if err != nil {
return fmt.Errorf("could not get list of components: %w", err)
}
// The longest word is "pulling" (which is 7 characters long),plus
// additional space characters (1 character).
for _, component := range components {
if newLen := len(unikraft.TypeNameVersion(component)) + 8; newLen > build.nameWidth {
build.nameWidth = newLen
}
}
}
if opts.ForcePull || !opts.NoUpdate {
model, err := processtree.NewProcessTree(
ctx,
[]processtree.ProcessTreeOption{
processtree.IsParallel(!config.G[config.KraftKit](ctx).NoParallel),
processtree.WithRenderer(norender),
},
[]*processtree.ProcessTreeItem{
processtree.NewProcessTreeItem(
"updating package index",
"",
func(ctx context.Context) error {
return packmanager.G(ctx).Update(ctx)
},
),
}...,
)
if err != nil {
return err
}
if err := model.Start(); err != nil {
return err
}
}
return build.pull(ctx, opts, targ, norender, build.nameWidth)
}
func (build *builderKraftfileUnikraft) Build(ctx context.Context, opts *BuildOptions, targ target.Target, args ...string) error {
var processes []*paraprogress.Process
var mopts []make.MakeOption
if opts.Jobs > 0 {
mopts = append(mopts, make.WithJobs(opts.Jobs))
} else {
mopts = append(mopts, make.WithMaxJobs(!opts.NoFast && !config.G[config.KraftKit](ctx).NoParallel))
}
if !opts.NoConfigure {
processes = append(processes, paraprogress.NewProcess(
fmt.Sprintf("configuring %s (%s)", targ.Name(), target.TargetPlatArchName(targ)),
func(ctx context.Context, w func(progress float64)) error {
return opts.project.Configure(
ctx,
targ, // Target-specific options
nil, // No extra configuration options
make.WithProgressFunc(w),
make.WithSilent(true),
make.WithExecOptions(
exec.WithStdin(iostreams.G(ctx).In),
exec.WithStdout(log.G(ctx).Writer()),
exec.WithStderr(log.G(ctx).WriterLevel(logrus.ErrorLevel)),
),
)
},
))
}
processes = append(processes, paraprogress.NewProcess(
fmt.Sprintf("building %s (%s)", targ.Name(), target.TargetPlatArchName(targ)),
func(ctx context.Context, w func(progress float64)) error {
err := opts.project.Build(
ctx,
targ, // Target-specific options
app.WithBuildProgressFunc(w),
app.WithBuildMakeOptions(append(mopts,
make.WithExecOptions(
exec.WithStdout(log.G(ctx).Writer()),
exec.WithStderr(log.G(ctx).WriterLevel(logrus.WarnLevel)),
// exec.WithOSEnv(true),
),
)...),
app.WithBuildLogFile(opts.SaveBuildLog),
)
if err != nil {
return fmt.Errorf("build failed: %w", err)
}
return nil
},
))
paramodel, err := paraprogress.NewParaProgress(
ctx,
processes,
// Disable parallelization as:
// - The first process may be pulling the container image, which is
// necessary for the subsequent build steps;
// - The Unikraft build system can re-use compiled files from previous
// compilations (if the architecture does not change).
paraprogress.IsParallel(false),
paraprogress.WithRenderer(log.LoggerTypeFromString(config.G[config.KraftKit](ctx).Log.Type) != log.FANCY),
paraprogress.WithFailFast(true),
paraprogress.WithNameWidth(build.nameWidth),
)
if err != nil {
return err
}
return paramodel.Start()
}