podman build enable --all-platforms and --unsetenv

Make sure we add support for allplatforms and unsetenv to both local and
remote podman.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

cmd/podman/images/build.go

@@ -514,11 +514,10 @@ func buildFlagsWrapperToOptions(c *cobra.Command, contextDir string, flags *buil
 	opts := buildahDefine.BuildOptions{
 		AddCapabilities:         flags.CapAdd,
 		AdditionalTags:          tags,
+		AllPlatforms:            flags.AllPlatforms,
 		Annotations:             flags.Annotation,
 		Args:                    args,
 		BlobDirectory:           flags.BlobCache,
-		CNIConfigDir:            flags.CNIConfigDir,
-		CNIPluginPath:           flags.CNIPlugInPath,
 		CommonBuildOpts:         commonOpts,
 		Compression:             compression,
 		ConfigureNetwork:        networkPolicy,
@@ -559,6 +558,7 @@ func buildFlagsWrapperToOptions(c *cobra.Command, contextDir string, flags *buil
 		SystemContext:           systemContext,
 		Target:                  flags.Target,
 		TransientMounts:         flags.Volumes,
+		UnsetEnvs:               flags.UnsetEnvs,
 	}
 
 	if flags.IgnoreFile != "" {

pkg/api/handlers/compat/images_build.go

@@ -73,6 +73,7 @@ func BuildImage(w http.ResponseWriter, r *http.Request) {
 		AdditionalCapabilities string   `schema:"addcaps"`
 		Annotations            string   `schema:"annotations"`
 		AppArmor               string   `schema:"apparmor"`
+		AllPlatforms           bool     `schema:"allplatforms"`
 		BuildArgs              string   `schema:"buildargs"`
 		CacheFrom              string   `schema:"cachefrom"`
 		Compression            uint64   `schema:"compression"`
@@ -121,6 +122,7 @@ func BuildImage(w http.ResponseWriter, r *http.Request) {
 		Target                 string   `schema:"target"`
 		Timestamp              int64    `schema:"timestamp"`
 		Ulimits                string   `schema:"ulimits"`
+		UnsetEnvs              []string `schema:"unsetenv"`
 		Secrets                string   `schema:"secrets"`
 	}{
 		Dockerfile: "Dockerfile",
@@ -495,6 +497,7 @@ func BuildImage(w http.ResponseWriter, r *http.Request) {
 		AdditionalTags:  additionalTags,
 		Annotations:     annotations,
 		Args:            buildArgs,
+		AllPlatforms:    query.AllPlatforms,
 		CommonBuildOpts: &buildah.CommonBuildOptions{
 			AddHost:            addhosts,
 			ApparmorProfile:    apparmor,
@@ -548,6 +551,7 @@ func BuildImage(w http.ResponseWriter, r *http.Request) {
 		Squash:                         query.Squash,
 		Target:                         query.Target,
 		SystemContext:                  systemContext,
+		UnsetEnvs:                      query.UnsetEnvs,
 	}
 
 	for _, platformSpec := range query.Platform {

pkg/api/server/register_images.go

@@ -1388,6 +1388,14 @@ func (s *APIServer) registerImagesHandlers(r *mux.Router) error {
 	//    default: latest
 	//    description: A name and optional tag to apply to the image in the `name:tag` format.  If you omit the tag the default latest value is assumed. You can provide several t parameters.
 	//  - in: query
+	//    name: allplatforms
+	//    type: boolean
+	//    default: false
+	//    description: |
+	//      Instead of building for a set of platforms specified using the platform option, inspect the build's base images,
+	//      and build for all of the platforms that are available.  Stages that use *scratch* as a starting point can not be inspected,
+	//      so at least one non-*scratch* stage must be present for detection to work usefully.
+	//  - in: query
 	//    name: extrahosts
 	//    type: string
 	//    default:
@@ -1570,6 +1578,12 @@ func (s *APIServer) registerImagesHandlers(r *mux.Router) error {
 	//    description: |
 	//      Inject http proxy environment variables into container
 	//      (As of version 2.0.0)
+	//  - in: query
+	//    name: unsetenv
+	//    description: Unset environment variables from the final image.
+	//    type: array
+	//    items:
+	//      type: string
 	// produces:
 	// - application/json
 	// responses:

pkg/bindings/images/build.go

@@ -62,6 +62,11 @@ func Build(ctx context.Context, containerFiles []string, options entities.BuildO
 		}
 		params.Set("annotations", l)
 	}
+
+	if options.AllPlatforms {
+		params.Add("allplatforms", "1")
+	}
+
 	params.Add("t", options.Output)
 	for _, tag := range options.AdditionalTags {
 		params.Add("t", tag)
@@ -289,6 +294,11 @@ func Build(ctx context.Context, containerFiles []string, options entities.BuildO
 		}
 		params.Set("ulimits", string(ulimitsJSON))
 	}
+
+	for _, uenv := range options.UnsetEnvs {
+		params.Add("unsetenv", uenv)
+	}
+
 	var (
 		headers map[string]string
 		err     error