From 24c1842a27473bbf0f1dc8fe74c40e4dd88ac354 Mon Sep 17 00:00:00 2001
From: Knut Ahlers <knut@ahlers.me>
Date: Thu, 2 Mar 2023 19:10:12 +0100
Subject: [PATCH] Add a little documentation, make self-contained by
 downloading tools

Signed-off-by: Knut Ahlers <knut@ahlers.me>
---
 .gitignore |  2 ++
 Makefile   | 25 +++++++++++++++++++------
 README.md  |  8 ++++++++
 3 files changed, 29 insertions(+), 6 deletions(-)
 create mode 100644 README.md

diff --git a/.gitignore b/.gitignore
index d344ba6..5a2427d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 config.json
+envrun_*
+yq_*
diff --git a/Makefile b/Makefile
index 141d488..3e607e2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,20 @@
-ALPINE_VERSION:=3.17.0
-PACKER_VERSION:=1.8.4-r2
+ALPINE_VERSION:=3.17
+PACKER_VERSION:=1.8.4-r3
 ANSIBLE_CORE_VERSION:=2.13.6-r0
 JQ_VERSION:=1.6-r2
 
+ENVRUN_VERSION:=v0.6.2
+YQ_VERSION:=v4.31.2
+
 export DOCKER_BUILDKIT:=1
 
 default:
 
-config.json:
-	yq -ojson . config.yaml | jq -S . >config.json
+config.json: yq_$(YQ_VERSION)
+	./yq_$(YQ_VERSION) -ojson . config.yaml | jq -S . >config.json
 
-create-snapshot: docker-build config.json
-	envrun -- docker run --rm -i \
+create-snapshot: docker-build config.json envrun_$(ENVRUN_VERSION)
+	./envrun_$(ENVRUN_VERSION) -- docker run --rm -i \
 		-e "HCLOUD_TOKEN" \
 		-v "$(CURDIR):/config:ro" \
 		registry.local/alpine-on-hetzner:latest \
@@ -26,4 +29,14 @@ docker-build:
 		-t registry.local/alpine-on-hetzner \
 		./alpine-on-hetzner
 
+# --- Tools
+
+envrun_$(ENVRUN_VERSION):
+	curl -sSfL "https://github.com/Luzifer/envrun/releases/download/$(ENVRUN_VERSION)/envrun_linux_amd64.tar.gz" | tar -xz
+	mv envrun_linux_amd64 $@
+
+yq_$(YQ_VERSION):
+	curl -sSfLo $@ "https://github.com/mikefarah/yq/releases/download/$(YQ_VERSION)/yq_linux_amd64"
+	chmod +x $@
+
 .PHONY: config.json
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..53bbce7
--- /dev/null
+++ b/README.md
@@ -0,0 +1,8 @@
+# Luzifer / hetzner-alpine-k8s
+
+This repo contains my configuration for the [MathiasPius/alpine-on-hetzner](https://github.com/MathiasPius/alpine-on-hetzner) build tooling.
+
+## Usage
+
+- Create an `.env` file containing an `HCLOUD_TOKEN=someimportanttoken`
+- Execute `make create-snapshot`