add support for the lexicon dns tool, which makes integrating dehydrated with different DNS providers very easy
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Dockerfile
36
Dockerfile
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@ -1,22 +1,26 @@
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FROM docker.jcg.re/base-alpine
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MAINTAINER Jan Christian Grünhage <jan.christian@gruenhage.xyz>
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ENV UID=192 \
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GID=192
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RUN apk add --no-cache \
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--virtual .build-deps \
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git \
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python3-dev \
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libffi-dev \
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build-base \
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openssl-dev \
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&& apk add --no-cache \
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--virtual .runtime-deps \
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openssl \
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curl \
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sed \
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grep \
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bash \
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su-exec \
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libxml2-utils \
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&& git clone https://github.com/lukas2511/dehydrated /dehydrated \
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&& pip3 install requests[security] \
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&& pip3 install dns-lexicon \
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&& apk del .build-deps
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RUN apk update \
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&& apk add --upgrade \
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git \
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openssl \
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curl \
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sed \
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grep \
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bash \
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su-exec \
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libxml2-utils \
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&& git clone https://github.com/lukas2511/dehydrated /dehydrated
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# Add the files in the 'root' folder to the images filesystem
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ADD root /
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VOLUME /etc/dehydrated
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130
root/usr/local/bin/lexicon-hook
Executable file
130
root/usr/local/bin/lexicon-hook
Executable file
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#!/usr/bin/env bash
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#
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# Example how to deploy a DNS challenge using lexicon
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set -e
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set -u
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set -o pipefail
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export PROVIDER=${PROVIDER:-"cloudflare"}
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function deploy_challenge {
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local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
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echo "deploy_challenge called: ${DOMAIN}, ${TOKEN_FILENAME}, ${TOKEN_VALUE}"
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lexicon $PROVIDER create ${DOMAIN} TXT --name="_acme-challenge.${DOMAIN}." --content="${TOKEN_VALUE}"
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sleep 30
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# This hook is called once for every domain that needs to be
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# validated, including any alternative names you may have listed.
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#
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# Parameters:
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# - DOMAIN
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# The domain name (CN or subject alternative name) being
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# validated.
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# - TOKEN_FILENAME
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# The name of the file containing the token to be served for HTTP
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# validation. Should be served by your web server as
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# /.well-known/acme-challenge/${TOKEN_FILENAME}.
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# - TOKEN_VALUE
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# The token value that needs to be served for validation. For DNS
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# validation, this is what you want to put in the _acme-challenge
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# TXT record. For HTTP validation it is the value that is expected
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# be found in the $TOKEN_FILENAME file.
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}
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function clean_challenge {
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local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
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echo "clean_challenge called: ${DOMAIN}, ${TOKEN_FILENAME}, ${TOKEN_VALUE}"
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lexicon $PROVIDER delete ${DOMAIN} TXT --name="_acme-challenge.${DOMAIN}." --content="${TOKEN_VALUE}"
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# This hook is called after attempting to validate each domain,
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# whether or not validation was successful. Here you can delete
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# files or DNS records that are no longer needed.
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#
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# The parameters are the same as for deploy_challenge.
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}
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function invalid_challenge() {
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local DOMAIN="${1}" RESPONSE="${2}"
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echo "invalid_challenge called: ${DOMAIN}, ${RESPONSE}"
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# This hook is called if the challenge response has failed, so domain
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# owners can be aware and act accordingly.
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#
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# Parameters:
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# - DOMAIN
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# The primary domain name, i.e. the certificate common
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# name (CN).
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# - RESPONSE
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# The response that the verification server returned
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}
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function deploy_cert {
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local DOMAIN="${1}" KEYFILE="${2}" CERTFILE="${3}" FULLCHAINFILE="${4}" CHAINFILE="${5}"
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echo "deploy_cert called: ${DOMAIN}, ${KEYFILE}, ${CERTFILE}, ${FULLCHAINFILE}, ${CHAINFILE}"
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# This hook is called once for each certificate that has been
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# produced. Here you might, for instance, copy your new certificates
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# to service-specific locations and reload the service.
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#
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# Parameters:
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# - DOMAIN
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# The primary domain name, i.e. the certificate common
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# name (CN).
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# - KEYFILE
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# The path of the file containing the private key.
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# - CERTFILE
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# The path of the file containing the signed certificate.
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# - FULLCHAINFILE
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# The path of the file containing the full certificate chain.
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# - CHAINFILE
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# The path of the file containing the intermediate certificate(s).
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}
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function unchanged_cert {
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local DOMAIN="${1}" KEYFILE="${2}" CERTFILE="${3}" FULLCHAINFILE="${4}" CHAINFILE="${5}"
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echo "unchanged_cert called: ${DOMAIN}, ${KEYFILE}, ${CERTFILE}, ${FULLCHAINFILE}, ${CHAINFILE}"
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# This hook is called once for each certificate that is still
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# valid and therefore wasn't reissued.
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#
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# Parameters:
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# - DOMAIN
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# The primary domain name, i.e. the certificate common
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# name (CN).
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# - KEYFILE
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# The path of the file containing the private key.
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# - CERTFILE
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# The path of the file containing the signed certificate.
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# - FULLCHAINFILE
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# The path of the file containing the full certificate chain.
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# - CHAINFILE
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# The path of the file containing the intermediate certificate(s).
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}
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exit_hook() {
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# This hook is called at the end of a dehydrated command and can be used
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# to do some final (cleanup or other) tasks.
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:
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}
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startup_hook() {
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# This hook is called before the dehydrated command to do some initial tasks
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# (e.g. starting a webserver).
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:
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}
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HANDLER=$1; shift;
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if [ -n "$(type -t $HANDLER)" ] && [ "$(type -t $HANDLER)" = function ]; then
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$HANDLER "$@"
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fi
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