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goreleaser/internal/pipe/sign/sign_docker.go
Carlos Alexandro Becker b55b9976c7
feat: use digest to sign docker images/manifests (#3556)
this drives it home by using the actual images/manifest digests to sign
with cosign by default.

the default signing command is changing in this PR, but since `digest`
should be always there (if not, the pipeline will fail way earlier), it
should be fine.

refs https://github.com/goreleaser/goreleaser/issues/3496
refs https://github.com/goreleaser/goreleaser/pull/3540

Signed-off-by: Carlos A Becker <caarlos0@users.noreply.github.com>
2022-11-15 08:21:18 -03:00

75 lines
2.0 KiB
Go

package sign
import (
"fmt"
"github.com/goreleaser/goreleaser/internal/artifact"
"github.com/goreleaser/goreleaser/internal/ids"
"github.com/goreleaser/goreleaser/internal/pipe"
"github.com/goreleaser/goreleaser/internal/semerrgroup"
"github.com/goreleaser/goreleaser/pkg/context"
)
// Pipe that signs docker images and manifests.
type DockerPipe struct{}
func (DockerPipe) String() string { return "signing docker images" }
func (DockerPipe) Skip(ctx *context.Context) bool {
return ctx.SkipSign || len(ctx.Config.DockerSigns) == 0
}
// Default sets the Pipes defaults.
func (DockerPipe) Default(ctx *context.Context) error {
ids := ids.New("docker_signs")
for i := range ctx.Config.DockerSigns {
cfg := &ctx.Config.DockerSigns[i]
if cfg.Cmd == "" {
cfg.Cmd = "cosign"
}
if len(cfg.Args) == 0 {
cfg.Args = []string{"sign", "--key=cosign.key", "${artifact}@${digest}"}
}
if cfg.Artifacts == "" {
cfg.Artifacts = "none"
}
if cfg.ID == "" {
cfg.ID = "default"
}
ids.Inc(cfg.ID)
}
return ids.Validate()
}
// Publish signs and pushes the docker images signatures.
func (DockerPipe) Publish(ctx *context.Context) error {
g := semerrgroup.New(ctx.Parallelism)
for i := range ctx.Config.DockerSigns {
cfg := ctx.Config.DockerSigns[i]
g.Go(func() error {
var filters []artifact.Filter
switch cfg.Artifacts {
case "images":
filters = append(filters, artifact.ByType(artifact.DockerImage))
case "manifests":
filters = append(filters, artifact.ByType(artifact.DockerManifest))
case "all":
filters = append(filters, artifact.Or(
artifact.ByType(artifact.DockerImage),
artifact.ByType(artifact.DockerManifest),
))
case "none": // TODO(caarlos0): remove this
return pipe.ErrSkipSignEnabled
default:
return fmt.Errorf("invalid list of artifacts to sign: %s", cfg.Artifacts)
}
if len(cfg.IDs) > 0 {
filters = append(filters, artifact.ByIDs(cfg.IDs...))
}
return sign(ctx, cfg, ctx.Artifacts.Filter(artifact.And(filters...)).List())
})
}
return g.Wait()
}