Update cloudflare DNS zone in your editor

cfdns-edit

#!/bin/sh

history_dir=~/.cloudflare/dns_history
auth_email=$(awk -F = '/email/ {print $2}' ~/.cloudflare/cloudflare.cfg)
auth_key=$(awk -F = '/token/ {print $2}' ~/.cloudflare/cloudflare.cfg )
zone_name=$1
zone_file="$history_dir/$zone_name"

if [ -z "$zone_name" ]; then
	echo "Usage: $0 zone.tld"
	exit 1
fi

if [ -z "$auth_email" ] || [ -z "$auth_key" ]; then
	echo "Configuration missing"
	echo
	echo "# ~/.cloudflare/cloudflare.cfg"
	echo "[CloudFlare"]
	echo "email=..."
	echo "token=..."
	exit 1
fi

cf_api() {
	method=$1
	url_target=$2
	shift
	shift

	curl -s -X "$method" "https://api.cloudflare.com/client/v4/$url_target" \
		-H "X-Auth-Email: $auth_email" \
		-H "X-Auth-Key: $auth_key" \
		"$@"
}

git_cmd() {
	git --git-dir "$history_dir/.git" --work-tree "$history_dir" "$@"
}

show() {
	if command -v jq > /dev/null; then
		jq
	fi
	cat
}

if [ ! -d "$history_dir" ]; then
	mkdir -p "$history_dir" || exit 1
fi

if [ ! -d "$history_dir/.git" ]; then
	git init "$history_dir"
fi

zone_id=$(cf_api GET "zones?name=$zone_name" | grep -Po '(?<="id":")[^"]*' | head -1)

# get and commit current zone
cf_api GET "zones/$zone_id/dns_records/export" > "$zone_file"
git_cmd add "$zone_name"
git_cmd commit -m "Before edit $zone_name"

# open editor
"$EDITOR" "$zone_file"

# update zone on cf if file modified
if git_cmd ls-files -m | grep "^$zone_name$"; then
	git_cmd add "$zone_name"
	git_cmd commit -m "After edit $zone_name"
	cf_api POST "zones/$zone_id/dns_records/import" --form "file=@$zone_file;proxied=false" | show
fi