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path: root/playbooks.d/nfs-server/playbook.bash
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#!/usr/bin/env bash

playbook_add() {
	pkg install nfs-utils

	touch /etc/exports

	playbook_sync

	svc enable nfs
	svc enable rpcbind

	svc start nfs
	svc start rpcbind
}

playbook_sync() {
	local buffer="$(tmpfile)"
	local exports="/etc/exports.d/kubernetes.exports"
	local hash="$(file_hash "$exports")"

	local root_options="ro,no_subtree_check"
	local export_options="rw,no_root_squash,no_subtree_check"
	local root_export="/mnt/exports"
	local allowed_cidr=("10.57.0.0/16" "172.19.0.0/16")
	local fsid

	{
		printf "%s" "$root_export"
		for host in "${allowed_cidr[@]}"
		do
			printf " %s(fsid=%s,%s)" "$host" "0" "$export_options"
		done
		printf "\n"

		for path in "$root_export"/*
		do
			fsid="$(config "$BASHTARD_PLAYBOOK.exports.$path.fsid" "")"

			if [[ "$fsid" == "" ]]
			then
				warn "$BASHTARD_PLAYBOOK" "Generating fsid for $path"
				fsid="$(uuidgen)"
				$BASHTARD_BIN var "$BASHTARD_PLAYBOOK.exports.$path.fsid" "$fsid"
			fi

			printf "%s" "$path"
			for host in "${allowed_cidr[@]}"
			do
				printf " %s(fsid=%s,%s)" "$host" "$fsid" "$export_options"
			done
			printf "\n"

			unset fsid
		done
	} > "$buffer"

	[[ "$(file_hash "$buffer")" == "$hash" ]] && return

	mv -- "$buffer" "$exports"

	[[ "$BASHTARD_ACTION" == "add" ]] && return

	exportfs -rv
}

playbook_del() {
	svc stop rpcbind
	svc stop nfs

	svc disable rpcbind
	svc disable nfs

	pkg uninstall nfs-utils
}