b6d9268810
In our base distro definitions we exclude packages in addition to including them. Extend dnf-json to support this, so we can depsolve the base package set as well as the packages added in blueprints. Signed-off-by: Tom Gundersen <teg@jklm.no>
100 lines
2.8 KiB
Go
100 lines
2.8 KiB
Go
package main
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import (
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"encoding/json"
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"flag"
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"fmt"
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"github.com/osbuild/osbuild-composer/internal/common"
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"io/ioutil"
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"os"
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"github.com/osbuild/osbuild-composer/internal/blueprint"
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"github.com/osbuild/osbuild-composer/internal/distro"
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"github.com/osbuild/osbuild-composer/internal/rpmmd"
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)
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func main() {
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var imageType string
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var blueprintArg string
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var archArg string
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var distroArg string
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flag.StringVar(&imageType, "image-type", "", "image type, e.g. qcow2 or ami")
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flag.StringVar(&blueprintArg, "blueprint", "", "path to a JSON file containing a blueprint to translate")
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flag.StringVar(&archArg, "arch", "", "architecture to create image for, e.g. x86_64")
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flag.StringVar(&distroArg, "distro", "", "distribution to create, e.g. fedora-30")
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flag.Parse()
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// Print help usage if one of the required arguments wasn't provided
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if imageType == "" || blueprintArg == "" || archArg == "" || distroArg == "" {
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flag.Usage()
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return
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}
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// Validate architecture
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if !common.ArchitectureExists(archArg) {
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_, _ = fmt.Fprintf(os.Stderr, "The provided architecture (%s) is not supported. Use one of these:\n", archArg)
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for _, arch := range common.ListArchitectures() {
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_, _ = fmt.Fprintln(os.Stderr, " *", arch)
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}
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return
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}
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// Validate distribution
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if !common.DistributionExists(distroArg) {
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_, _ = fmt.Fprintf(os.Stderr, "The provided distribution (%s) is not supported. Use one of these:\n", distroArg)
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for _, distro := range common.ListDistributions() {
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_, _ = fmt.Fprintln(os.Stderr, " *", distro)
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}
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return
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}
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// Validate image type
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blueprint := &blueprint.Blueprint{}
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if blueprintArg != "" {
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file, err := ioutil.ReadFile(blueprintArg)
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if err != nil {
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panic("Could not find blueprint: " + err.Error())
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}
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err = json.Unmarshal([]byte(file), &blueprint)
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if err != nil {
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panic("Could not parse blueprint: " + err.Error())
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}
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}
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distros := distro.NewRegistry([]string{"."})
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d := distros.GetDistro(distroArg)
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if d == nil {
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panic("unknown distro: " + distroArg)
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}
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packages := make([]string, len(blueprint.Packages))
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for i, pkg := range blueprint.Packages {
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packages[i] = pkg.Name
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// If a package has version "*" the package name suffix must be equal to "-*-*.*"
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// Using just "-*" would find any other package containing the package name
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if pkg.Version != "" && pkg.Version != "*" {
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packages[i] += "-" + pkg.Version
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} else if pkg.Version == "*" {
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packages[i] += "-*-*.*"
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}
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}
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rpmmd := rpmmd.NewRPMMD()
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_, checksums, err := rpmmd.Depsolve(packages, nil, d.Repositories(archArg), true)
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if err != nil {
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panic(err.Error())
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}
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pipeline, err := d.Pipeline(blueprint, nil, checksums, archArg, imageType, 0)
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if err != nil {
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panic(err.Error())
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}
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bytes, err := json.Marshal(pipeline)
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if err != nil {
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panic("could not marshal pipeline into JSON")
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}
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os.Stdout.Write(bytes)
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}
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