first commit

.gitignore

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+**/.DS_Store
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
+myenv.env

Dockerfile

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+FROM python:3.11
+WORKDIR /myapp
+COPY requirements.txt ./
+RUN pip install -r requirements.txt
+ADD main.py /
+CMD [ "python", "./main.py", ">> /volume/logs/script_logs.txt"]

build.sh

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+#!/bin/bash
+docker build -f Dockerfile -t my_cloudflare_ip_update .

env.env

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+CLOUDFLARE_TOKEN=
+ZONES=
+DNS_A_RECORDS=

main.py

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+import requests
+import os
+import sys
+from time import gmtime, strftime
+import crython
+#SSL Cert Verification
+# Requests verifies SSL certificates for HTTPS requests, just like a web browser.
+# By default, SSL verification is enabled, and Requests will throw a SSLError
+# if it’s unable to verify the certificate.
+
+def print_zone(x):
+    return f"{{name: {x['name']} , id: {x['id']}}}"
+
+def print_dns_record(x):
+    return f"{{name: {x['name']} , id: {x['id']} , type: {x['type']}}}"
+
+
+def get_zones(auth_token):
+    def zone_to_id_name(x):
+        return {
+            'id': x['id'],
+            'name': x['name']
+        }
+    api_url = "https://api.cloudflare.com/client/v4/zones"
+    response = requests.get(api_url, headers={
+        'Content-Type': 'application/json',
+        'Authorization': f'Bearer {auth_token}'
+    })
+    response_json = response.json()
+    if response_json['success'] == False:
+        raise ""
+    zones = list(map(zone_to_id_name, response_json['result']))
+    print('Zones: ')
+    print('\n'.join(map(print_zone, zones)))
+    active_zones = list(map(zone_to_id_name,filter(lambda x: x['status'] == 'active',response_json['result'])))
+    print('Active zones: ')
+    print('\n'.join(map(print_zone, active_zones)))
+    return (zones, active_zones)
+
+def get_dns_records(auth_token, active_zones):
+    def dns_record_to_id_name_type(x):
+        return {
+            'id': x['id'],
+            'name': x['name'],
+            'zone_id': x['zone_id'],
+            'zone_name': x['zone_name'],
+            'type': x['type']
+        }
+    dns_a_records: list = []
+    dns_records: list = []
+    for active_zone in active_zones:
+        api_url = f"https://api.cloudflare.com/client/v4/zones/{active_zone['id']}/dns_records"
+        response = requests.get(api_url, headers={
+            'Content-Type': 'application/json',
+            'Authorization': f'Bearer {auth_token}'
+        })
+        response_json = response.json()
+        if response_json['success'] == False:
+            raise ""
+        dns_records.extend(list(map(dns_record_to_id_name_type, response_json['result'])))
+        print('Dns records: ')
+        print('\n'.join(map(print_dns_record, dns_records)))
+        dns_a_records.extend(list(map(dns_record_to_id_name_type,filter(lambda x: x['type'] == 'A',response_json['result']))))
+        print('Dns records A: ')
+        print('\n'.join(map(print_dns_record, dns_a_records)))
+    return (dns_records, dns_a_records)
+
+# Crython supports seven fields 
+# (seconds, minutes, hours, day of month, month, weekday, year).
+# https://crontab.guru/#*/5_*_*_*_*
+old_ip: str = '0.0.0.0'
+
+@crython.job(expr='0 */5 * * * * *')
+def main():
+    TOKEN = os.environ.get('CLOUDFLARE_TOKEN')
+    DNS = os.environ.get('ZONES')
+    DNS_A = os.environ.get('DNS_A_RECORDS')
+    DNS = DNS.split(',')
+    DNS_A.split(',')
+
+
+
+    current_time = strftime("%d %b, %Y %H:%M:%S", gmtime())
+    print(f"{current_time}: EXECUTION STARTED")
+    my_public_ip = requests.get('https://ifconfig.me').text
+
+    if old_ip == my_public_ip:
+        print("NOTHING TO UPDATE")
+        sys.exit(0)
+    print(f'PUBLIC IP: {my_public_ip}')
+
+    print("Zones:")
+    (zones, active_zones) = get_zones(TOKEN)
+    active_zones = list(filter(lambda x: x['name'] in DNS, active_zones))
+
+    print("Active zones to update:")
+    print('\n'.join(map(print_zone,active_zones)))
+
+    (dns_records, dns_a_records) = get_dns_records(TOKEN, active_zones)
+
+    print(dns_a_records)
+    for dns_a_record in dns_a_records:
+        # TOOD
+
+        api_url = f"https://api.cloudflare.com/client/v4/zones/{dns_a_record['zone_id']}/dns_records/{dns_a_record['id']}"
+        response = requests.patch(api_url, headers={
+            'Content-Type': 'application/json',
+            'Authorization': f'Bearer {TOKEN}'
+        }, data= {
+            'content': my_public_ip,
+            'type': 'A'
+        })
+        response_json = response.json()
+        if response_json['success'] == False:
+            raise ""
+        print(f"Successfuly chcanged IP address of {dns_a_record['name']}")
+        print(response_json)
+
+    current_time = strftime("%d %b, %Y %H:%M:%S", gmtime())
+    
+    old_ip = my_public_ip
+    print(f"{current_time} FINISHED EXECUTION SUCCESSFULLY")
+
+
+    # api_url = f"https://api.cloudflare.com/client/v4/zones/{dns_a_record['zone_id']}/dns_records/{dns_a_record['id']}"
+    # response = requests.patch(api_url, headers={
+    #     'Content-Type': 'application/json',
+    #     'Authorization': f'Bearer {TOKEN}'
+    # }, data= {
+    #     'content': my_public_ip,
+    #     'type': 'A'
+    # })
+    # response_json = response.json()
+    # if response_json['success'] == False:
+    #     raise ""
+    # print(f"Successfuly chcanged IP address of {dns_a_record['name']}")
+    
+    # api_url = f"https://api.cloudflare.com/client/v4/zones/{dns_a_record['zone_id']}/dns_records/{dns_a_record['id']}"
+    # response = requests.get(api_url, headers={
+    #     'Content-Type': 'application/json',
+    #     'Authorization': f'Bearer {TOKEN}'
+    # })
+    # response_json = response.json()

requirements.txt

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+requests
+crython

run.sh

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+#!/bin/bash
+docker run \
+            --detached \
+            --env-file myenv.env \
+            --volume ./volume:/volume \
+            my_cloudflare_ip_update