TUN-6362: Add armhf support to cloudflare packaging

We now will have `armhf` based debs on our github pages

This will also sync to our R2 Release process allowing legacy rpi users to
eventually be able to apt-get install cloudflared.

Author: sudarshan-reddy

Makefile

@@ -98,6 +98,16 @@ else
 	TARGET_PUBLIC_REPO ?= $(FLAVOR)
 endif
 
+ifneq ($(TARGET_ARM), )
+	ARM_COMMAND := GOARM=$(TARGET_ARM)
+endif
+
+ifeq ($(TARGET_ARM), 7) 
+	PACKAGE_ARCH := armhf
+else
+	PACKAGE_ARCH := $(TARGET_ARCH)
+endif
+
 .PHONY: all
 all: cloudflared test
 
@@ -111,7 +121,7 @@ ifeq ($(FIPS), true)
 	$(info Building cloudflared with go-fips)
 	cp -f fips/fips.go.linux-amd64 cmd/cloudflared/fips.go
 endif
-	GOOS=$(TARGET_OS) GOARCH=$(TARGET_ARCH) go build -v -mod=vendor $(GO_BUILD_TAGS) $(LDFLAGS) $(IMPORT_PATH)/cmd/cloudflared
+	GOOS=$(TARGET_OS) GOARCH=$(TARGET_ARCH) $(ARM_COMMAND) go build -v -mod=vendor $(GO_BUILD_TAGS) $(LDFLAGS) $(IMPORT_PATH)/cmd/cloudflared
 ifeq ($(FIPS), true)
 	rm -f cmd/cloudflared/fips.go
 	./check-fips.sh cloudflared
@@ -171,7 +181,7 @@ define build_package
 		--license 'Apache License Version 2.0' \
 		--url 'https://github.com/cloudflare/cloudflared' \
 		-m 'Cloudflare <[email protected]>' \
-		-a $(TARGET_ARCH) -v $(VERSION) -n $(DEB_PACKAGE_NAME) $(NIGHTLY_FLAGS) --after-install postinst.sh --after-remove postrm.sh \
+	    -a $(PACKAGE_ARCH) -v $(VERSION) -n $(DEB_PACKAGE_NAME) $(NIGHTLY_FLAGS) --after-install postinst.sh --after-remove postrm.sh \
 		cloudflared=$(INSTALL_BINDIR) cloudflared.1=$(INSTALL_MANDIR)
 endef
 

build-packages.sh

@@ -17,10 +17,18 @@ for arch in ${windowsArchs[@]}; do
 done
 
 
-linuxArchs=("386" "amd64" "arm" "arm64")
+linuxArchs=("386" "amd64" "arm" "armhf" "arm64")
 export TARGET_OS=linux
 for arch in ${linuxArchs[@]}; do
+    unset TARGET_ARM
     export TARGET_ARCH=$arch
+    
+    ## Support for armhf builds 
+    if [[ $arch == armhf ]] ; then
+        export TARGET_ARCH=arm
+        export TARGET_ARM=7 
+    fi
+    
     make cloudflared-deb
     mv cloudflared\_$VERSION\_$arch.deb $ARTIFACT_DIR/cloudflared-linux-$arch.deb
 

release_pkgs.py

@@ -354,7 +354,7 @@ def parse_args():
     )
 
     parser.add_argument(
-        "--archs", default=["amd64", "386", "arm64", "arm"], help="list of architectures we want to package for. Note that\
+        "--archs", default=["amd64", "386", "arm64", "arm", "armhf"], help="list of architectures we want to package for. Note that\
             it is the caller's responsiblity to ensure that these debs are already present in a directory. This script\
             will not build binaries or create their debs."
     )