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utils.go
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utils.go
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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2023, 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 pkg
import (
"context"
"fmt"
"path/filepath"
"kraftkit.sh/config"
"kraftkit.sh/initrd"
"kraftkit.sh/log"
"kraftkit.sh/tui/processtree"
"kraftkit.sh/unikraft"
"kraftkit.sh/unikraft/app"
)
// initProject sets up the project based on the provided context and
// options.
func (opts *PkgOptions) initProject(ctx context.Context) error {
var err error
popts := []app.ProjectOption{
app.WithProjectWorkdir(opts.Workdir),
}
if len(opts.Kraftfile) > 0 {
popts = append(popts, app.WithProjectKraftfile(opts.Kraftfile))
} else {
popts = append(popts, app.WithProjectDefaultKraftfiles())
}
// Interpret the project directory
opts.Project, err = app.NewProjectFromOptions(ctx, popts...)
if err != nil {
return err
}
return nil
}
// buildRootfs generates a rootfs based on the provided
func (opts *PkgOptions) buildRootfs(ctx context.Context) error {
if opts.Rootfs == "" {
if opts.Project != nil && opts.Project.Rootfs() != "" {
opts.Rootfs = opts.Project.Rootfs()
} else {
return nil
}
}
ramfs, err := initrd.New(ctx, opts.Rootfs,
initrd.WithOutput(filepath.Join(opts.Workdir, unikraft.BuildDir, initrd.DefaultInitramfsFileName)),
initrd.WithCacheDir(filepath.Join(opts.Workdir, unikraft.VendorDir, "rootfs-cache")),
)
if err != nil {
return fmt.Errorf("could not prepare initramfs: %w", err)
}
model, err := processtree.NewProcessTree(
ctx,
[]processtree.ProcessTreeOption{
processtree.IsParallel(false),
processtree.WithRenderer(log.LoggerTypeFromString(config.G[config.KraftKit](ctx).Log.Type) != log.FANCY),
},
processtree.NewProcessTreeItem(
"building rootfs",
"",
func(ctx context.Context) error {
opts.Rootfs, err = ramfs.Build(ctx)
if err != nil {
return err
}
return nil
},
),
)
if err != nil {
return err
}
if err := model.Start(); err != nil {
return err
}
return nil
}