From 8eaac1ade9101a5c76c3f253e3638b978b3ad0f4 Mon Sep 17 00:00:00 2001
From: Patrick Spek <p.spek@tyil.nl>
Date: Mon, 31 Jul 2023 12:43:41 +0200
Subject: Add playbook for k3s nodes

---
 playbooks.d/k3s-node/description.txt |  1 +
 playbooks.d/k3s-node/etc/defaults    |  1 +
 playbooks.d/k3s-node/playbook.bash   | 37 ++++++++++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+)
 create mode 100644 playbooks.d/k3s-node/description.txt
 create mode 100644 playbooks.d/k3s-node/etc/defaults
 create mode 100644 playbooks.d/k3s-node/playbook.bash

(limited to 'playbooks.d')

diff --git a/playbooks.d/k3s-node/description.txt b/playbooks.d/k3s-node/description.txt
new file mode 100644
index 0000000..2a299e3
--- /dev/null
+++ b/playbooks.d/k3s-node/description.txt
@@ -0,0 +1 @@
+Playbook for a single k3s node to be part of an existing cluster.
diff --git a/playbooks.d/k3s-node/etc/defaults b/playbooks.d/k3s-node/etc/defaults
new file mode 100644
index 0000000..688e87f
--- /dev/null
+++ b/playbooks.d/k3s-node/etc/defaults
@@ -0,0 +1 @@
+pkg.curl=curl
diff --git a/playbooks.d/k3s-node/playbook.bash b/playbooks.d/k3s-node/playbook.bash
new file mode 100644
index 0000000..e4fc48a
--- /dev/null
+++ b/playbooks.d/k3s-node/playbook.bash
@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+BASHTARD_PLAYBOOK_VARS[$BASHTARD_PLAYBOOK.entry.host]="required"
+BASHTARD_PLAYBOOK_VARS[$BASHTARD_PLAYBOOK.entry.token]="required"
+
+playbook_add() {
+	pkg install curl
+
+	info "$BASHTARD_PLAYBOOK" "Writing config.yaml for k3s"
+	mkdir -pv -- /etc/rancher/k3s
+	cat <<-EOF > /etc/rancher/k3s/config.yaml
+	node-name: "${BASHTARD_PLATFORM[fqdn]}"
+	node-ip: "$(config "$BASHTARD_PLAYBOOK.node-ip" "$(config "bashtard.ssh.host")")"
+	cluster-cidr: "$(config "$BASHTARD_PLAYBOOK.cluster-cidr" "172.19.0.0/16")"
+	service-cidr: "$(config "$BASHTARD_PLAYBOOK.service-cidr" "172.20.0.0/16")"
+	cluster-domain: "$(config "$BASHTARD_PLAYBOOK.cluster-domain" "cluster.local")"
+	service-node-port-range: "$(config "$BASHTARD_PLAYBOOK.service-node-port-min" "30000")-$(config "$BASHTARD_PLAYBOOK.service-node-port-max" "32767")"
+	EOF
+
+	info "$BASHTARD_PLAYBOOK" "Installing k3s"
+	curl -sfL https://get.k3s.io \
+		| K3S_TOKEN_SECRET="$(config "$BASHTARD_PLAYBOOK.entry.token")" \
+		sh -s - \
+		"$(config "$BASHTARD_PLAYBOOK.role" "agent")" \
+		https://"$(config "$BASHTARD_PLAYBOOK.entry.host"):$(config "$BASHTARD_PLAYBOOK.entry.port)"
+
+	notice "$BASHTARD_PLAYBOOK" "Waiting for node to become available"
+	{ grep -q -m 1 "${BASHTARD_PLATFORM[fqdn]}[[:space:]]\+Ready"; kill $!; } < <(k3s kubectl get node -w)
+}
+
+playbook_sync() {
+	:;
+}
+
+playbook_del() {
+	/usr/local/bin/k3s-uninstall.sh
+}
-- 
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