feat(warmer): Warmer now supports all registry-related flags (#1499)

which means we can now:
- set up one or more mirrors
- set up registries certificates
- skip TLS verify
- use plain HTTP
using the same set of flags that are defined for the executor

pkg/executor/build.go

@@ -25,19 +25,15 @@ import (
 	"strings"
 	"time"
 
-	"github.com/google/go-containerregistry/pkg/v1/partial"
-
-	"github.com/moby/buildkit/frontend/dockerfile/instructions"
-
-	"golang.org/x/sync/errgroup"
-
 	"github.com/google/go-containerregistry/pkg/name"
 	v1 "github.com/google/go-containerregistry/pkg/v1"
 	"github.com/google/go-containerregistry/pkg/v1/empty"
 	"github.com/google/go-containerregistry/pkg/v1/mutate"
 	"github.com/google/go-containerregistry/pkg/v1/tarball"
+	"github.com/moby/buildkit/frontend/dockerfile/instructions"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
+	"golang.org/x/sync/errgroup"
 
 	"github.com/GoogleContainerTools/kaniko/pkg/cache"
 	"github.com/GoogleContainerTools/kaniko/pkg/commands"
@@ -45,9 +41,11 @@ import (
 	"github.com/GoogleContainerTools/kaniko/pkg/constants"
 	"github.com/GoogleContainerTools/kaniko/pkg/dockerfile"
 	image_util "github.com/GoogleContainerTools/kaniko/pkg/image"
+	"github.com/GoogleContainerTools/kaniko/pkg/image/remote"
 	"github.com/GoogleContainerTools/kaniko/pkg/snapshot"
 	"github.com/GoogleContainerTools/kaniko/pkg/timing"
 	"github.com/GoogleContainerTools/kaniko/pkg/util"
+	"github.com/google/go-containerregistry/pkg/v1/partial"
 )
 
 // This is the size of an empty tar in Go
@@ -745,7 +743,7 @@ func fetchExtraStages(stages []config.KanikoStage, opts *config.KanikoOptions) e
 
 			// This must be an image name, fetch it.
 			logrus.Debugf("Found extra base image stage %s", c.From)
-			sourceImage, err := image_util.RetrieveRemoteImage(c.From, opts)
+			sourceImage, err := remote.RetrieveRemoteImage(c.From, opts.RegistryOptions, opts.CustomPlatform)
 			if err != nil {
 				return err
 			}

pkg/executor/push.go

@@ -147,7 +147,7 @@ func CheckPushPermissions(opts *config.KanikoOptions) error {
 			}
 			destRef.Repository.Registry = newReg
 		}
-		tr := newRetry(util.MakeTransport(opts, registryName))
+		tr := newRetry(util.MakeTransport(opts.RegistryOptions, registryName))
 		if err := checkRemotePushPermission(destRef, creds.GetKeychain(), tr); err != nil {
 			return errors.Wrapf(err, "checking push permission for %q", destRef)
 		}
@@ -244,7 +244,7 @@ func DoPush(image v1.Image, opts *config.KanikoOptions) error {
 			return errors.Wrap(err, "resolving pushAuth")
 		}
 
-		tr := newRetry(util.MakeTransport(opts, registryName))
+		tr := newRetry(util.MakeTransport(opts.RegistryOptions, registryName))
 		rt := &withUserAgent{t: tr}
 
 		if err := remote.Write(destRef, image, remote.WithAuth(pushAuth), remote.WithTransport(rt)); err != nil {