From 3e323b7301b76582e5c12db61ed00ff8ceb6d00f Mon Sep 17 00:00:00 2001
From: Daniel Voogsgerd <daniel@voogsgerd.nl>
Date: Mon, 28 Oct 2024 17:17:14 +0100
Subject: [PATCH 1/2] feat: Add Makefile

I opted for Makefile here as it is ubiquitous and I hope the limitations of the
language can keep us from creating overly complex build systems.
---
 Makefile | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 Makefile

diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000..46f28471
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,79 @@
+# Makefile
+# This file is used to compile various parts of the Brane infrastructure and tooling
+#
+#
+CENTRAL_SERVICES := brane-api brane-drv brane-plr
+WORKER_SERVICES := brane-job brane-reg brane-chk
+SHARED_SERVICES := brane-prx
+
+BINARY_TARGETS := brane-ctl brane-cli brane-let
+
+BUILD_DIR := target
+IMAGE_DIR := $(BUILD_DIR)/debug
+BIN_DIR := $(BUILD_DIR)/debug
+
+WORKSPACE_MEMBERS := $(sort $(CENTRAL_SERVICES) $(WORKER_SERVICES) $(SHARED_SERVICES))
+
+BUILDX_ARGS := build 
+CARGO_BUILD_ARGS := 
+IMAGE_DOCKER_FILE := ./Dockerfile.dev
+
+# The binaries we can build in either debug or release mode
+ifeq ($(PROFILE),release)
+	CARGO_BUILD_ARGS += --release
+	IMAGE_DOCKER_FILE := ./Dockerfile.rls
+	IMAGE_DIR := $(BUILD_DIR)/release
+	BIN_DIR := $(BUILD_DIR)/release
+endif
+
+# Sometimes docker buildx can take a cached version while there are actually some changes. With
+# `FORCE` you can make sure it is rebuild anyway.
+ifeq ($(FORCE),1)
+	BUILDX_ARGS += --no-cache
+endif
+
+# Universal targets
+.PHONY: all
+all: $(WORKSPACE_MEMBERS)
+
+.PHONY: binaries
+binaries: $(BINARY_TARGETS)
+
+.PHONY: images
+images: $(WORKSPACE_MEMBERS)
+
+.PHONY: worker-images
+worker-images: $(WORKER_SERVICES) $(SHARED_SERVICES)
+
+.PHONY: central-images
+central-images: $(CENTRAL_SERVICES) $(SHARED_SERVICES)
+
+# Compilation of images
+# Building of images relies heavily on docker buildx. This is due to the dynamic linking requirements of Brane
+# This way we can compile Brane in a similar/identical environment as we will end up running them.
+.PHONY: $(WORKSPACE_MEMBERS)
+$(WORKSPACE_MEMBERS): $(IMAGE_DIR)
+	@echo "Building $@"
+	docker buildx $(BUILDX_ARGS) --output type="docker,dest=$(IMAGE_DIR)/$@.tar" --file $(IMAGE_DOCKER_FILE) --target $@ .
+
+# Compilation of binaries
+.PHONY: $(BINARY_TARGETS)
+$(BINARY_TARGETS): $(BIN_DIR)
+	@echo "Building $@"
+	cargo build $(CARGO_BUILD_ARGS) --package $@
+
+# Directory creation
+# It is important that we flag this directory as a CACHETAG.DIR. Various backup solutions for example will otherwise backup 
+# the directory. This might seem nice, but these artifacts can be very large in size and should be reproducible anyway.
+.PHONY: $(BUILD_DIR)
+$(BUILD_DIR):
+	mkdir $(BUILD_DIR) || echo "Directory $(BUILD_DIR) already exists"
+	[ -f "$(BUILD_DIR)/CACHEDIR.TAG" ] || echo "Signature: 8a477f597d28d172789f06886806bc55" > "$(BUILD_DIR)/CACHEDIR.TAG"
+
+.PHONY: $(IMAGE_DIR)
+$(IMAGE_DIR): $(BUILD_DIR)
+	mkdir $(IMAGE_DIR) || echo "Directory $(IMAGE_DIR) already exists"
+
+.PHONY: $(BIN_DIR)
+$(BIN_DIR): $(BUILD_DIR)
+	mkdir $(BIN_DIR) || echo "Directory $(BIN_DIR) already exists"

From ca06895b46850b17ee0079620d2fae80f87c42b6 Mon Sep 17 00:00:00 2001
From: Daniel Voogsgerd <daniel@voogsgerd.nl>
Date: Mon, 28 Oct 2024 20:25:24 +0100
Subject: [PATCH 2/2] feat(make): Add BUILDX_BUILDER argument

---
 Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Makefile b/Makefile
index 46f28471..6a25084b 100644
--- a/Makefile
+++ b/Makefile
@@ -32,6 +32,11 @@ ifeq ($(FORCE),1)
 	BUILDX_ARGS += --no-cache
 endif
 
+# Add a way to select what buildx builder to use
+ifdef BUILDX_BUILDER
+	BUILDX_ARGS += --builder $(BUILDX_BUILDER)
+endif
+
 # Universal targets
 .PHONY: all
 all: $(WORKSPACE_MEMBERS)