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package provenance
import (
"sort"
distreference "github.com/distribution/reference"
resourcestypes "github.com/moby/buildkit/executor/resources/types"
provenancetypes "github.com/moby/buildkit/solver/llbsolver/provenance/types"
"github.com/moby/buildkit/solver/result"
"github.com/moby/buildkit/util/urlutil"
digest "github.com/opencontainers/go-digest"
)
type Result = result.Result[*Capture]
type Capture struct {
Frontend string
Args map[string]string
Sources provenancetypes.Sources
Secrets []provenancetypes.Secret
SSH []provenancetypes.SSH
NetworkAccess bool
IncompleteMaterials bool
Samples map[digest.Digest]*resourcestypes.Samples
}
func (c *Capture) Merge(c2 *Capture) error {
if c2 == nil {
return nil
}
for _, i := range c2.Sources.Images {
c.AddImage(i)
}
for _, l := range c2.Sources.Local {
c.AddLocal(l)
}
for _, g := range c2.Sources.Git {
c.AddGit(g)
}
for _, h := range c2.Sources.HTTP {
c.AddHTTP(h)
}
for _, s := range c2.Secrets {
c.AddSecret(s)
}
for _, s := range c2.SSH {
c.AddSSH(s)
}
if c2.NetworkAccess {
c.NetworkAccess = true
}
if c2.IncompleteMaterials {
c.IncompleteMaterials = true
}
return nil
}
func (c *Capture) Sort() {
sort.Slice(c.Sources.Images, func(i, j int) bool {
return c.Sources.Images[i].Ref < c.Sources.Images[j].Ref
})
sort.Slice(c.Sources.Local, func(i, j int) bool {
return c.Sources.Local[i].Name < c.Sources.Local[j].Name
})
sort.Slice(c.Sources.Git, func(i, j int) bool {
return c.Sources.Git[i].URL < c.Sources.Git[j].URL
})
sort.Slice(c.Sources.HTTP, func(i, j int) bool {
return c.Sources.HTTP[i].URL < c.Sources.HTTP[j].URL
})
sort.Slice(c.Secrets, func(i, j int) bool {
return c.Secrets[i].ID < c.Secrets[j].ID
})
sort.Slice(c.SSH, func(i, j int) bool {
return c.SSH[i].ID < c.SSH[j].ID
})
}
// OptimizeImageSources filters out image sources by digest reference if same digest
// is already present by a tag reference.
func (c *Capture) OptimizeImageSources() error {
m := map[string]struct{}{}
for _, i := range c.Sources.Images {
ref, nameTag, err := parseRefName(i.Ref)
if err != nil {
return err
}
if _, ok := ref.(distreference.Canonical); !ok {
m[nameTag] = struct{}{}
}
}
images := make([]provenancetypes.ImageSource, 0, len(c.Sources.Images))
for _, i := range c.Sources.Images {
ref, nameTag, err := parseRefName(i.Ref)
if err != nil {
return err
}
if _, ok := ref.(distreference.Canonical); ok {
if _, ok := m[nameTag]; ok {
continue
}
}
images = append(images, i)
}
c.Sources.Images = images
return nil
}
func (c *Capture) AddImage(i provenancetypes.ImageSource) {
for _, v := range c.Sources.Images {
if v.Ref == i.Ref && v.Local == i.Local {
if v.Platform == i.Platform {
return
}
if v.Platform != nil && i.Platform != nil {
// NOTE: Deliberately excluding OSFeatures, as there's no extant (or rational) case where a source image is an index and contains images distinguished only by OSFeature
// See https://github.com/moby/buildkit/pull/4387#discussion_r1376234241 and https://github.com/opencontainers/image-spec/issues/1147
if v.Platform.Architecture == i.Platform.Architecture && v.Platform.OS == i.Platform.OS && v.Platform.OSVersion == i.Platform.OSVersion && v.Platform.Variant == i.Platform.Variant {
return
}
}
}
}
c.Sources.Images = append(c.Sources.Images, i)
}
func (c *Capture) AddLocal(l provenancetypes.LocalSource) {
for _, v := range c.Sources.Local {
if v.Name == l.Name {
return
}
}
c.Sources.Local = append(c.Sources.Local, l)
}
func (c *Capture) AddGit(g provenancetypes.GitSource) {
g.URL = urlutil.RedactCredentials(g.URL)
for _, v := range c.Sources.Git {
if v.URL == g.URL {
return
}
}
c.Sources.Git = append(c.Sources.Git, g)
}
func (c *Capture) AddHTTP(h provenancetypes.HTTPSource) {
h.URL = urlutil.RedactCredentials(h.URL)
for _, v := range c.Sources.HTTP {
if v.URL == h.URL {
return
}
}
c.Sources.HTTP = append(c.Sources.HTTP, h)
}
func (c *Capture) AddSecret(s provenancetypes.Secret) {
for i, v := range c.Secrets {
if v.ID == s.ID {
if !s.Optional {
c.Secrets[i].Optional = false
}
return
}
}
c.Secrets = append(c.Secrets, s)
}
func (c *Capture) AddSSH(s provenancetypes.SSH) {
if s.ID == "" {
s.ID = "default"
}
for i, v := range c.SSH {
if v.ID == s.ID {
if !s.Optional {
c.SSH[i].Optional = false
}
return
}
}
c.SSH = append(c.SSH, s)
}
func (c *Capture) AddSamples(dgst digest.Digest, samples *resourcestypes.Samples) {
if c.Samples == nil {
c.Samples = map[digest.Digest]*resourcestypes.Samples{}
}
c.Samples[dgst] = samples
}
func parseRefName(s string) (distreference.Named, string, error) {
ref, err := distreference.ParseNormalizedNamed(s)
if err != nil {
return nil, "", err
}
name := ref.Name()
tag := "latest"
if r, ok := ref.(distreference.Tagged); ok {
tag = r.Tag()
}
return ref, name + ":" + tag, nil
}
|
