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path: root/playbooks.d/k3s-master/playbook.bash
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#!/usr/bin/env bash

playbook_add() {
	# TODO: Install kubectl, helm!
	info "$BASHTARD_PLAYBOOK" "Installing k3s"
	curl -sfL https://get.k3s.io | sh -  # I hate this

	notice "$BASHTARD_PLAYBOOK" "Creating data directories"
	mkdir -pv -- "$(playbook_path "data")/manifests.d"
	mkdir -pv -- "$(playbook_path "data")/helm.d"

	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_sync() {
	local data
	local helm_cmd
	local kubeconfig

	data="$(playbook_path "data")"
	kubeconfig="$(config "fs.etcdir")/rancher/k3s/k3s.yaml"

	notice "$BASHTARD_PLAYBOOK/manifests" "Applying manifests.d"
	kubectl --kubeconfig "$kubeconfig" apply --recursive --filename "$data/manifests.d"

	notice "$BASHTARD_PLAYBOOK/helm" "Ensure all Helm repos exist"
	while read -r repo
	do
		helm repo add "$repo" "$(config "$BASHTARD_PLAYBOOK.helm.repos.$repo.url")"
	done < <(config_subkeys "$BASHTARD_PLAYBOOK.helm.repos")

	notice "$BASHTARD_PLAYBOOK/helm" "Updating Helm repository contents"
	helm repo update

	notice "$BASHTARD_PLAYBOOK/helm" "Upgrading Helm charts"
	while read -r app
	do
		helm_cmd=(
			"helm" "upgrade"
			"--install"
			"--kubeconfig" "$kubeconfig"
			"--timeout" "$(config "$BASHTARD_PLAYBOOK.helm.timeout" "30s")"
			"--namespace" "$(config "$BASHTARD_PLAYBOOK.helm.apps.$app.namespace" "default")"
		)

		# Add values
		helm_cmd+=("--values" "$data/helm.d/$(config "$BASHTARD_PLAYBOOK.helm.apps.$app.values")")

		# Set which chart to upgrade
		helm_cmd+=("$app")
		helm_cmd+=("$(config "$BASHTARD_PLAYBOOK.helm.apps.$app.repo")/$(config "$BASHTARD_PLAYBOOK.helm.apps.$app.chart")")

		notice "$BASHTARD_PLAYBOOK/helm/$app" "> ${helm_cmd[*]}"
		${helm_cmd[@]}

		unset helm_cmd
	done < <(config_subkeys "$BASHTARD_PLAYBOOK.helm.apps")
}

playbook_del() {
	/usr/local/bin/k3s-uninstall.sh
}