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75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
package imagetools
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import (
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"encoding/json"
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"fmt"
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"io"
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"os"
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"strings"
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"text/tabwriter"
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"github.com/containerd/containerd/platforms"
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"github.com/docker/distribution/reference"
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ocispec "github.com/opencontainers/image-spec/specs-go/v1"
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)
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func PrintManifestList(dt []byte, desc ocispec.Descriptor, refstr string, out io.Writer) error {
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ref, err := parseRef(refstr)
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if err != nil {
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return err
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}
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var mfst ocispec.Index
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if err := json.Unmarshal(dt, &mfst); err != nil {
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return err
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}
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w := tabwriter.NewWriter(out, 0, 0, 1, ' ', 0)
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fmt.Fprintf(w, "Name:\t%s\n", ref.String())
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fmt.Fprintf(w, "MediaType:\t%s\n", desc.MediaType)
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fmt.Fprintf(w, "Digest:\t%s\n", desc.Digest)
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fmt.Fprintf(w, "\t\n")
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fmt.Fprintf(w, "Manifests:\t\n")
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w.Flush()
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pfx := " "
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w = tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', 0)
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for i, m := range mfst.Manifests {
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if i != 0 {
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fmt.Fprintf(w, "\t\n")
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}
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cr, err := reference.WithDigest(ref, m.Digest)
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if err != nil {
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return err
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}
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fmt.Fprintf(w, "%sName:\t%s\n", pfx, cr.String())
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fmt.Fprintf(w, "%sMediaType:\t%s\n", pfx, m.MediaType)
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if p := m.Platform; p != nil {
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fmt.Fprintf(w, "%sPlatform:\t%s\n", pfx, platforms.Format(*p))
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if p.OSVersion != "" {
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fmt.Fprintf(w, "%sOSVersion:\t%s\n", pfx, p.OSVersion)
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}
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if len(p.OSFeatures) > 0 {
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fmt.Fprintf(w, "%sOSFeatures:\t%s\n", pfx, strings.Join(p.OSFeatures, ", "))
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}
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if len(m.URLs) > 0 {
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fmt.Fprintf(w, "%sURLs:\t%s\n", pfx, strings.Join(m.URLs, ", "))
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}
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if len(m.Annotations) > 0 {
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w.Flush()
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w2 := tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', 0)
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pfx2 := pfx + " "
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for k, v := range m.Annotations {
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fmt.Fprintf(w2, "%s%s:\t%s\n", pfx2, k, v)
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}
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w2.Flush()
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}
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}
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}
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return w.Flush()
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}
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