Compare commits
18 Commits
multiarch-
...
master
Author | SHA1 | Date |
---|---|---|
IamTheFij | b5e99939fb | |
IamTheFij | 01dc2dd149 | |
IamTheFij | 4702310823 | |
IamTheFij | aef73188f2 | |
IamTheFij | 9a8445e6ec | |
IamTheFij | a752c67dad | |
IamTheFij | 2c9b26a283 | |
IamTheFij | ff2d50b6e8 | |
IamTheFij | d66c11cc00 | |
IamTheFij | fdb3c744b0 | |
IamTheFij | d9b20c4759 | |
IamTheFij | 2b41676824 | |
IamTheFij | 176feef895 | |
IamTheFij | 3402b91b04 | |
IamTheFij | c1125b9310 | |
IamTheFij | 1cb69ad575 | |
IamTheFij | 8a39181d22 | |
IamTheFij | 52dced87a8 |
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@ -0,0 +1,109 @@
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---
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kind: pipeline
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name: linux-amd64
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trigger:
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event:
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- push
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- tag
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refs:
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- refs/heads/master
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- refs/tags/v*
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steps:
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- name: build
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image: plugins/docker
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settings:
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repo: iamthefij/cloudflare-ddns
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auto_tag: true
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auto_tag_suffix: linux-amd64
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username:
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from_secret: docker_username
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password:
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from_secret: docker_password
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---
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kind: pipeline
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name: linux-arm
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trigger:
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event:
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- push
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- tag
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refs:
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- refs/heads/master
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- refs/tags/v*
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steps:
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- name: build
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image: plugins/docker
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settings:
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repo: iamthefij/cloudflare-ddns
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auto_tag: true
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auto_tag_suffix: linux-arm
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username:
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from_secret: docker_username
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password:
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from_secret: docker_password
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build_args:
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- ARCH=arm
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- REPO=arm32v7
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---
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kind: pipeline
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name: linux-arm64
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trigger:
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event:
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- push
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- tag
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refs:
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- refs/heads/master
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- refs/tags/v*
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steps:
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- name: build
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image: plugins/docker
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settings:
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repo: iamthefij/cloudflare-ddns
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auto_tag: true
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auto_tag_suffix: linux-arm64
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username:
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from_secret: docker_username
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password:
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from_secret: docker_password
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build_args:
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- ARCH=aarch64
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- REPO=arm64v8
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---
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kind: pipeline
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name: manifest
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depends_on:
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- linux-amd64
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- linux-arm
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- linux-arm64
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trigger:
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event:
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- push
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- tag
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refs:
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- refs/heads/master
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- refs/tags/v*
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steps:
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- name: publish manifest
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image: plugins/manifest
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settings:
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spec: manifest.tmpl
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auto_tag: true
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ignore_missing: true
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username:
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from_secret: docker_username
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password:
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from_secret: docker_password
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@ -0,0 +1,3 @@
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qemu-*
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*.tar.gz
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tags
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26
Dockerfile
26
Dockerfile
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@ -1,14 +1,28 @@
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FROM python:3-alpine
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ARG REPO=library
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FROM multiarch/qemu-user-static:4.2.0-2 as qemu-user-static
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# Make sure a dummy x86_64 file exists so that the copy command doesn't error
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# RUN touch /usr/bin/qemu-x86_64-fake
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FROM ${REPO}/python:3.8-alpine
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# Copy mutliarch file to run builds on x86_64
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ARG ARCH=x86_64
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COPY --from=qemu-user-static /usr/bin/qemu-* /usr/bin/
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# COPY --from=qemu-user-static /usr/bin/qemu-${ARCH}-* /usr/bin/
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RUN mkdir -p /src
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WORKDIR /src
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COPY ./requirements.txt ./
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RUN pip install -r ./requirements.txt
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# Get Cloudflare example script
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ENV CF_VERSION=2.6.0
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ADD https://raw.githubusercontent.com/cloudflare/python-cloudflare/$CF_VERSION/examples/example_update_dynamic_dns.py ./update_ddns.py
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RUN chmod +rx ./update_ddns.py
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COPY ./start.sh ./
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COPY ./update_ddns.py ./update_ddns.py
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RUN python -m pip install --no-cache-dir cloudflare==$CF_VERSION
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ENV DOMAIN=""
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CMD [ "/src/start.sh" ]
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USER nobody
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ENTRYPOINT [ "/src/update_ddns.py" ]
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26
Makefile
26
Makefile
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@ -1,18 +1,32 @@
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DOCKER_TAG ?= cloudflare-ddns-dev-${USER}
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.PHONY: clean
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.PHONY: default
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default: test
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.PHONY:test
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test:
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@echo ok
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update:
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curl -o update_ddns.py https://raw.githubusercontent.com/cloudflare/python-cloudflare/master/examples/example_update_dynamic_dns.py
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chmod +x update_ddns.py
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.PHONY: build
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build:
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docker build . -t ${DOCKER_TAG}
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.PHONY: cross-build-arm
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cross-build-arm:
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docker build --build-arg REPO=arm32v7 --build-arg ARCH=arm . -t ${DOCKER_TAG}-linux-arm
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.PHONY: cross-build-arm64
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cross-build-arm64:
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docker build --build-arg REPO=arm64v8 --build-arg ARCH=aarch64 . -t ${DOCKER_TAG}-linux-arm64
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.PHONY: all
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all: build cross-build-arm cross-build-arm64
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.PHONY: run
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run: build
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docker run --rm -e DOMAIN=${DOMAIN} \
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docker run --rm \
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-e CF_API_EMAIL=${CF_API_EMAIL} \
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-e CF_API_KEY=${CF_API_KEY} \
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${DOCKER_TAG}
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${DOCKER_TAG} \
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"${DOMAIN}"
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27
README.md
27
README.md
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@ -1,21 +1,34 @@
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# Docker Cloudfare DDNS
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Simple Docker image to dynamically update a Cloudflare DNS record.
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Simple Docker image that wraps an example script to dynamically update a Cloudflare DNS record.
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## Usage
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All parameters are passed to the script using env variables, so export the following:
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There are two things to configure. First, the domain that you wish to update needs to be provided as a command line argument. This can be done by adding it to the end of your run command (example in the Makefile) or by adding it as a command to your compose file. Eg:
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DOMAIN=sub.example.com
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CF_API_EMAIL=admin@example.com
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ddns:
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image: IamTheFij/cloudflare-ddns
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command: ["example.com"]
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Your Cloudflare credentials can be passed in any way that [python-cloudflare](https://github.com/cloudflare/python-cloudflare) allows. Generally, either via envioronment variables:
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CF_API_EMAIL=admin@example.com # Do not set if using an API Token
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CF_API_KEY=00000000000000000000
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CF_API_CERTKEY='v1.0-...'
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Or by providing a file mounted to the working directory in the image, `/src/.cloudflare.cfg` that contains something like:
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[CloudFlare]
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emal = admin@example.com # Do not set if using an API Token
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token = 00000000000000000000
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certtoken = v1.0-...
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Then run. To execute from this directory, you can use the convenient Make target.
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make run
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## Development
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## Source
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The script is straight from the examples provided by Cloudflare on their Github. The latest version can be downloaded using:
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Original source: https://git.iamthefij.com/iamthefij/docker-cloudflare-ddns
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make update
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Github mirror: https://github.com/iamthefij/docker-cloudflare-ddns
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@ -0,0 +1,25 @@
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image: iamthefij/cloudflare-ddns:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}
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{{#if build.tags}}
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tags:
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{{#each build.tags}}
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- {{this}}
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{{/each}}
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{{/if}}
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manifests:
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-
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image: iamthefij/cloudflare-ddns:{{#if build.tag}}{{trimPrefix "v" build.tag}}-{{/if}}linux-amd64
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platform:
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architecture: amd64
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os: linux
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-
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image: iamthefij/cloudflare-ddns:{{#if build.tag}}{{trimPrefix "v" build.tag}}-{{/if}}linux-arm64
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platform:
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architecture: arm64
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os: linux
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variant: v8
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-
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image: iamthefij/cloudflare-ddns:{{#if build.tag}}{{trimPrefix "v" build.tag}}-{{/if}}linux-arm
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platform:
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architecture: arm
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os: linux
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variant: v7
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@ -1 +0,0 @@
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cloudflare
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139
update_ddns.py
139
update_ddns.py
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@ -1,139 +0,0 @@
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#!/usr/bin/env python
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"""Cloudflare API code - example"""
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from __future__ import print_function
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import os
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import sys
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import re
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import json
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import requests
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sys.path.insert(0, os.path.abspath('..'))
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import CloudFlare
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def my_ip_address():
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"""Cloudflare API code - example"""
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# This list is adjustable - plus some v6 enabled services are needed
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# url = 'http://myip.dnsomatic.com'
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# url = 'http://www.trackip.net/ip'
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# url = 'http://myexternalip.com/raw'
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url = 'https://api.ipify.org'
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try:
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ip_address = requests.get(url).text
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except:
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exit('%s: failed' % (url))
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if ip_address == '':
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exit('%s: failed' % (url))
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if ':' in ip_address:
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ip_address_type = 'AAAA'
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else:
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ip_address_type = 'A'
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return ip_address, ip_address_type
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def do_dns_update(cf, zone_name, zone_id, dns_name, ip_address, ip_address_type):
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"""Cloudflare API code - example"""
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try:
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params = {'name':dns_name, 'match':'all', 'type':ip_address_type}
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dns_records = cf.zones.dns_records.get(zone_id, params=params)
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except CloudFlare.exceptions.CloudFlareAPIError as e:
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exit('/zones/dns_records %s - %d %s - api call failed' % (dns_name, e, e))
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updated = False
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# update the record - unless it's already correct
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for dns_record in dns_records:
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old_ip_address = dns_record['content']
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old_ip_address_type = dns_record['type']
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if ip_address_type not in ['A', 'AAAA']:
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# we only deal with A / AAAA records
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continue
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if ip_address_type != old_ip_address_type:
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# only update the correct address type (A or AAAA)
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# we don't see this becuase of the search params above
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print('IGNORED: %s %s ; wrong address family' % (dns_name, old_ip_address))
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continue
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if ip_address == old_ip_address:
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print('UNCHANGED: %s %s' % (dns_name, ip_address))
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updated = True
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continue
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# Yes, we need to update this record - we know it's the same address type
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dns_record_id = dns_record['id']
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dns_record = {
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'name':dns_name,
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'type':ip_address_type,
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'content':ip_address
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}
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try:
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dns_record = cf.zones.dns_records.put(zone_id, dns_record_id, data=dns_record)
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except CloudFlare.exceptions.CloudFlareAPIError as e:
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exit('/zones.dns_records.put %s - %d %s - api call failed' % (dns_name, e, e))
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print('UPDATED: %s %s -> %s' % (dns_name, old_ip_address, ip_address))
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updated = True
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if updated:
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return
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# no exsiting dns record to update - so create dns record
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dns_record = {
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'name':dns_name,
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'type':ip_address_type,
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'content':ip_address
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}
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try:
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dns_record = cf.zones.dns_records.post(zone_id, data=dns_record)
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except CloudFlare.exceptions.CloudFlareAPIError as e:
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exit('/zones.dns_records.post %s - %d %s - api call failed' % (dns_name, e, e))
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print('CREATED: %s %s' % (dns_name, ip_address))
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def main():
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"""Cloudflare API code - example"""
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try:
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dns_name = sys.argv[1]
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except IndexError:
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exit('usage: example-update-dynamic-dns.py fqdn-hostname')
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host_name, zone_name = dns_name.split('.', 1)
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ip_address, ip_address_type = my_ip_address()
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print('MY IP: %s %s' % (dns_name, ip_address))
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cf = CloudFlare.CloudFlare()
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# grab the zone identifier
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try:
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params = {'name':zone_name}
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zones = cf.zones.get(params=params)
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except CloudFlare.exceptions.CloudFlareAPIError as e:
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exit('/zones %d %s - api call failed' % (e, e))
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except Exception as e:
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exit('/zones.get - %s - api call failed' % (e))
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if len(zones) == 0:
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exit('/zones.get - %s - zone not found' % (zone_name))
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if len(zones) != 1:
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exit('/zones.get - %s - api call returned %d items' % (zone_name, len(zones)))
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zone = zones[0]
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zone_name = zone['name']
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zone_id = zone['id']
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do_dns_update(cf, zone_name, zone_id, dns_name, ip_address, ip_address_type)
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exit(0)
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if __name__ == '__main__':
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main()
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Loading…
Reference in New Issue