start

Makefile

@@ -0,0 +1,24 @@
+config.json: config.yaml
+	docker run --rm -i \
+	  quay.io/coreos/butane:latest \
+	  --pretty \
+	  --strict \
+	  < config.yaml > config.json
+
+reset: config.json
+	if [ ! -f config.json ]; then \
+	  echo "No config.json" && \
+	  exit 1; \
+	fi; \
+	TEMPDIR=$$(ssh akpella "cd /tmp && mktemp -d") && \
+	scp config.json akpella:$${TEMPDIR} && \
+	ssh akpella sudo flatcar-reset \
+	  --ignition-file $${TEMPDIR}/config.json \
+	  --keep-machine-id \
+	  --keep-paths '/etc/ssh/ssh_host_.*' /var/log && \
+	ssh akpella sudo systemctl reboot
+
+update:
+	VER=$$(curl -fsSL https://stable.release.flatcar-linux.net/amd64-usr/current/version.txt | grep FLATCAR_VERSION= | cut -d = -f 2) && \
+	echo $${VER} && \
+	ssh akpella sudo flatcar-update -V $${VER} -A

config.yaml

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+---
+variant: flatcar
+version: 1.0.0
+
+passwd:
+  users:
+    - name: core
+      ssh_authorized_keys:
+        - ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOpw3cIAdtWOYUkb6UOAIcLuRzItoo4oZMzr/hzZYq4E openpgp:0xFAAA0172
+
+storage:
+  files:
+    # hostname
+    - path: /etc/hostname
+      contents:
+        inline: "akpella.lan"
+    # network
+    - path: /etc/systemd/network/00-eth0.network
+      contents:
+        inline: |
+          [Match]
+          Name=eth0
+
+          [Network]
+          DNS=1.1.1.1
+          Address=193.40.103.107/24
+          Gateway=193.40.103.1
+    - path: /etc/hosts
+      overwrite: true
+      contents:
+        inline: |
+          127.0.0.1       localhost akpella.lan
+          ::1             localhost akpella.lan