WIP: Get started squashing things down

Dockerfile

@@ -1,9 +1,10 @@
 ARG REPO=library
+FROM multiarch/qemu-user-static:4.1.0-1 as qemu-user-static
 FROM ${REPO}/python:3-alpine
 
 # TODO: Copy from docker hub image
 ARG ARCH=x86_64
-COPY ./build/qemu-${ARCH}-static /usr/bin/
+COPY --from=qemu-user-static /usr/bin/qemu-* /usr/bin/
 
 RUN mkdir -p /src
 WORKDIR /src

Makefile

@@ -1,5 +1,5 @@
 DOCKER_TAG ?= cloudflare-ddns-dev-${USER}
-.PHONY: clean all
+.PHONY: clean
 
 .PHONY: default
 default: test
@@ -9,26 +9,20 @@ test:
 	@echo ok
 
 .PHONY: build
-build: build/qemu-x86_64-static
+build:
 	docker build . -t ${DOCKER_TAG}
 
-build/qemu-arm-static:
-	./get_qemu.sh arm
-
-build/qemu-x86_64-static:
-	./get_qemu.sh x86_64
-
-build/qemu-aarch64-static:
-	./get_qemu.sh aarch64
-
 .PHONY: cross-build-arm
-cross-build-arm: build/qemu-arm-static
+cross-build-arm:
 	docker build --build-arg REPO=arm32v6 --build-arg ARCH=arm . -t ${DOCKER_TAG}-linux-arm
 
 .PHONY: cross-build-arm64
-cross-build-arm64: build/qemu-aarch64-static
+cross-build-arm64:
 	docker build --build-arg REPO=arm64v8 --build-arg ARCH=aarch64 . -t ${DOCKER_TAG}-linux-arm64
 
+.PHONY: all
+all: build cross-build-arm cross-build-arm64
+
 .PHONY: run
 run: build
 	docker run --rm  \

get_qemu.sh

@@ -1,13 +0,0 @@
-#! /bin/bash
-
-HOST_ARCH=x86_64
-VERSION=v2.9.1-1
-
-mkdir -p build
-cd build
-
-for target_arch in $*; do
-  wget -N https://github.com/multiarch/qemu-user-static/releases/download/$VERSION/${HOST_ARCH}_qemu-${target_arch}-static.tar.gz
-  tar -xvf ${HOST_ARCH}_qemu-${target_arch}-static.tar.gz
-  rm ${HOST_ARCH}_qemu-${target_arch}-static.tar.gz
-done

update_ddns.py

@@ -1,139 +0,0 @@
-#!/usr/bin/env python
-"""Cloudflare API code - example"""
-
-from __future__ import print_function
-
-import os
-import sys
-import re
-import json
-import requests
-
-sys.path.insert(0, os.path.abspath('..'))
-import CloudFlare
-
-def my_ip_address():
-    """Cloudflare API code - example"""
-
-    # This list is adjustable - plus some v6 enabled services are needed
-    # url = 'http://myip.dnsomatic.com'
-    # url = 'http://www.trackip.net/ip'
-    # url = 'http://myexternalip.com/raw'
-    url = 'https://api.ipify.org'
-    try:
-        ip_address = requests.get(url).text
-    except:
-        exit('%s: failed' % (url))
-    if ip_address == '':
-        exit('%s: failed' % (url))
-
-    if ':' in ip_address:
-        ip_address_type = 'AAAA'
-    else:
-        ip_address_type = 'A'
-
-    return ip_address, ip_address_type
-
-def do_dns_update(cf, zone_name, zone_id, dns_name, ip_address, ip_address_type):
-    """Cloudflare API code - example"""
-
-    try:
-        params = {'name':dns_name, 'match':'all', 'type':ip_address_type}
-        dns_records = cf.zones.dns_records.get(zone_id, params=params)
-    except CloudFlare.exceptions.CloudFlareAPIError as e:
-        exit('/zones/dns_records %s - %d %s - api call failed' % (dns_name, e, e))
-
-    updated = False
-
-    # update the record - unless it's already correct
-    for dns_record in dns_records:
-        old_ip_address = dns_record['content']
-        old_ip_address_type = dns_record['type']
-
-        if ip_address_type not in ['A', 'AAAA']:
-            # we only deal with A / AAAA records
-            continue
-
-        if ip_address_type != old_ip_address_type:
-            # only update the correct address type (A or AAAA)
-            # we don't see this becuase of the search params above
-            print('IGNORED: %s %s ; wrong address family' % (dns_name, old_ip_address))
-            continue
-
-        if ip_address == old_ip_address:
-            print('UNCHANGED: %s %s' % (dns_name, ip_address))
-            updated = True
-            continue
-
-        # Yes, we need to update this record - we know it's the same address type
-
-        dns_record_id = dns_record['id']
-        dns_record = {
-            'name':dns_name,
-            'type':ip_address_type,
-            'content':ip_address
-        }
-        try:
-            dns_record = cf.zones.dns_records.put(zone_id, dns_record_id, data=dns_record)
-        except CloudFlare.exceptions.CloudFlareAPIError as e:
-            exit('/zones.dns_records.put %s - %d %s - api call failed' % (dns_name, e, e))
-        print('UPDATED: %s %s -> %s' % (dns_name, old_ip_address, ip_address))
-        updated = True
-
-    if updated:
-        return
-
-    # no exsiting dns record to update - so create dns record
-    dns_record = {
-        'name':dns_name,
-        'type':ip_address_type,
-        'content':ip_address
-    }
-    try:
-        dns_record = cf.zones.dns_records.post(zone_id, data=dns_record)
-    except CloudFlare.exceptions.CloudFlareAPIError as e:
-        exit('/zones.dns_records.post %s - %d %s - api call failed' % (dns_name, e, e))
-    print('CREATED: %s %s' % (dns_name, ip_address))
-
-def main():
-    """Cloudflare API code - example"""
-
-    try:
-        dns_name = sys.argv[1]
-    except IndexError:
-        exit('usage: example-update-dynamic-dns.py fqdn-hostname')
-
-    host_name, zone_name = '.'.join(dns_name.split('.')[:2]), '.'.join(dns_name.split('.')[-2:])
-
-    ip_address, ip_address_type = my_ip_address()
-
-    print('MY IP: %s %s' % (dns_name, ip_address))
-
-    cf = CloudFlare.CloudFlare()
-
-    # grab the zone identifier
-    try:
-        params = {'name':zone_name}
-        zones = cf.zones.get(params=params)
-    except CloudFlare.exceptions.CloudFlareAPIError as e:
-        exit('/zones %d %s - api call failed' % (e, e))
-    except Exception as e:
-        exit('/zones.get - %s - api call failed' % (e))
-
-    if len(zones) == 0:
-        exit('/zones.get - %s - zone not found' % (zone_name))
-
-    if len(zones) != 1:
-        exit('/zones.get - %s - api call returned %d items' % (zone_name, len(zones)))
-
-    zone = zones[0]
-
-    zone_name = zone['name']
-    zone_id = zone['id']
-
-    do_dns_update(cf, zone_name, zone_id, dns_name, ip_address, ip_address_type)
-    exit(0)
-
-if __name__ == '__main__':
-    main()
-