implement .toml config for iso

Makefile

@@ -286,7 +286,7 @@ minikube_iso: deploy/iso/minikube-iso/board/coreos/minikube/rootfs-overlay/usr/b
 	if [ ! -d $(BUILD_DIR)/buildroot ]; then \
 		mkdir -p $(BUILD_DIR); \
 		git clone --depth=1 --branch=$(BUILDROOT_BRANCH) https://github.com/buildroot/buildroot $(BUILD_DIR)/buildroot; \
-		cp $(PWD)/deploy/iso/minikube-iso/go.hash $(BUILD_DIR)/buildroot/package/go/go.hash; \
+		cp deploy/iso/minikube-iso/go.hash $(BUILD_DIR)/buildroot/package/go/go.hash; \
 	fi;
 	$(MAKE) BR2_EXTERNAL=../../deploy/iso/minikube-iso minikube_defconfig -C $(BUILD_DIR)/buildroot $(BUILDROOT_OPTIONS)
 	$(MAKE) -C $(BUILD_DIR)/buildroot $(BUILDROOT_OPTIONS) host-python

deploy/iso/minikube-iso/package/buildkit-bin/buildkit-bin.mk

@@ -41,6 +41,9 @@ define BUILDKIT_BIN_INSTALL_INIT_SYSTEMD
         $(INSTALL) -D -m 644 \
                         $(BUILDKIT_BIN_PKGDIR)/buildkit.conf \
                         $(TARGET_DIR)/usr/lib/tmpfiles.d/buildkit.conf
+        $(INSTALL) -D -m 644 \
+                        $(BUILDKIT_BIN_PKGDIR)/buildkit.toml \
+                        $(TARGET_DIR)/etc/buildkit/buildkit.toml
 endef
 
 $(eval $(generic-package))

deploy/iso/minikube-iso/package/buildkit-bin/buildkit.service

@@ -5,7 +5,7 @@ After=buildkit.socket
 Documentation=https://github.com/moby/buildkit
 
 [Service]
-ExecStart=/usr/sbin/buildkitd --addr fd:// --oci-worker=false --containerd-worker=true --containerd-worker-namespace=k8s.io
+ExecStart=/usr/sbin/buildkitd --addr fd://
 
 [Install]
 WantedBy=multi-user.target

deploy/iso/minikube-iso/package/buildkit-bin/buildkit.toml

@@ -0,0 +1,5 @@
+[worker.oci]
+  enabled = false
+[worker.containerd]
+  enabled = true
+  namespace = "k8s.io"