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Added local Docker Registry and Certbot script to support generation …
…of SSL certificates
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Anton Kaspiarovich
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Feb 19, 2017
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,295 @@ | ||
| #!/bin/bash -e | ||
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| SUB_CMD_NAME="certbot" | ||
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| cmd_desc() { | ||
| echo "For running Certbot (Self-Signed and Let’s Encrypt SSL) related commands" | ||
| } | ||
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| cmd_usage() { | ||
| echo "usage: ${CMD_NAME} ${SUB_CMD_NAME} <subcommand>" | ||
| } | ||
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| help() { | ||
| cmd_usage | ||
| echo | ||
| echo "Available subcommands are:" | ||
| printf " %-22s %s\n" "gen-export-certs" "Generate and Export Self-Signed SSL certificates for Nginx SSL support." | ||
| printf " %-22s %s\n" "gen-letsencrypt-certs" "Generate SSL certificates issued by Let's Encrypt for Nginx SSL support." | ||
| printf " %-22s %s\n" "export-letsencrypt-certs" "Export new SSL certificates issued by Let's Encrypt to the ADOP NGINX Proxy container." | ||
| printf " %-22s %s\n" "help" "Prints this help information" | ||
| echo | ||
| } | ||
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| gen_export_help() { | ||
| echo "usage: ${CMD_NAME} ${SUB_CMD_NAME} gen-export-certs [<options>]" | ||
| printf " %-2s %s\n" "" "Options:" | ||
| printf " %-3s %s\n" "" "<DOMAIN_NAME> : This is the domain name which will be secured by Let’s Encrypt SSL. (Required)" | ||
| printf " %-3s %s\n" "" "<SERVICE_NAME> : Service name will be used for copying fullchain.pem and privkey.pem SSL files from auto generated domain name folder to static one: /certs/<SERVICE_NAME>. (Optional)" | ||
| printf " %-3s %s\n" "" "-h : Prints this help." | ||
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| echo | ||
| echo "Examples of usage:" | ||
| printf " %-30s %s\n ${CMD_NAME} ${SUB_CMD_NAME} gen-export-certs example.com" | ||
| printf " %-30s %s\n ${CMD_NAME} ${SUB_CMD_NAME} gen-export-certs registry.example.com registry" | ||
| echo | ||
| } | ||
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| gen_letsencrypt_help() { | ||
| echo "usage: ${CMD_NAME} ${SUB_CMD_NAME} gen-letsencrypt-certs [<options>]" | ||
| printf " %-2s %s\n" "" "Options:" | ||
| printf " %-3s %s\n" "" "<DOMAIN_NAME> : This is the domain name which will be secured by Let’s Encrypt SSL. (Required)" | ||
| printf " %-3s %s\n" "" "<SERVICE_NAME> : Service name will be used for copying fullchain.pem and privkey.pem SSL files from auto generated domain name folder to static one: /certs/<SERVICE_NAME>. (Optional)" | ||
| printf " %-3s %s\n" "" "-h : Prints this help." | ||
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| echo | ||
| echo "Examples of usage:" | ||
| printf " %-30s %s\n ${CMD_NAME} ${SUB_CMD_NAME} gen-letsencrypt-certs example.com" | ||
| printf " %-30s %s\n ${CMD_NAME} ${SUB_CMD_NAME} gen-letsencrypt-certs registry.example.com registry" | ||
| echo | ||
| } | ||
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| export_letsencrypt_help() { | ||
| echo "usage: ${CMD_NAME} ${SUB_CMD_NAME} export-letsencrypt-certs [<options>]" | ||
| printf " %-2s %s\n" "" "Options:" | ||
| printf " %-3s %s\n" "" "<DOMAIN_NAME> : This is the domain name for which we will export certificate files. (Required)" | ||
| printf " %-3s %s\n" "" "<SERVICE_NAME> : Service name will be used for specific NGINX virtual host configuration, you have to upload in ADOP NGINX container virtual host configuration file as /etc/nginx/sites-available/<SERVICE_NAME>.conf." | ||
| printf " %-3s %s\n" "" " We will also use <SERVICE_NAME> as a prefix for SSL keys for your service, for instance '/etc/nginx/ssl/<SERVICE_NAME>_fullchain.pem' (Optional)" | ||
| printf " %-3s %s\n" "" "-h : Prints this help." | ||
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| echo | ||
| echo "Examples of usage:" | ||
| printf " %-30s %s\n ${CMD_NAME} ${SUB_CMD_NAME} export-letsencrypt-certs example.com" | ||
| printf " %-30s %s\n ${CMD_NAME} ${SUB_CMD_NAME} export-letsencrypt-certs registry.example.com registry" | ||
| echo | ||
| } | ||
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| gen_export_certs() { | ||
| # Set Parameters Values | ||
| export DOMAIN_NAME=$1 | ||
| export SERVICE_NAME=$2 | ||
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| local OPTIND | ||
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| while getopts "h" opt; do | ||
| case $opt in | ||
| h) | ||
| gen_export_help | ||
| exit 1 | ||
| ;; | ||
| esac | ||
| done | ||
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| if [ -z ${DOMAIN_NAME} ]; then | ||
| gen_export_help | ||
| exit 1 | ||
| fi | ||
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| #### | ||
| # Windows Git bash terminal identifies | ||
| # /CN=${DOMAIN_NAME} as a path and appends the absolute path | ||
| # of parent directory to it | ||
| #### | ||
| HOST_OS=$(uname) | ||
| CLIENT_SUBJ="/CN=${DOMAIN_NAME}" | ||
| if echo "${HOST_OS}" | grep -E "MINGW*" >/dev/null | ||
| then | ||
| CLIENT_SUBJ="//CN=${DOMAIN_NAME}" | ||
| fi | ||
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| export GEN_CERTS_LOG="CERTBOT_GEN_EXPORT_CERTS_`date '+%y%m%d-%H%M%S'`.log" | ||
| export TEMP_CERT_PATH=$(mktemp -d tmp_certbot.XXXXXXXXXX) || { echo "Failed to create temp folder"; exit 1; } | ||
| export PATH_PRIVATE_KEY_FILE_NAME=privkey.pem | ||
| export PATH_CERTIFICATE_FILE_NAME=fullchain.pem | ||
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| # Change certificates file names with the SERVICE_NAME as prefix | ||
| if [ -n "${SERVICE_NAME}" ]; then | ||
| export PATH_PRIVATE_KEY_FILE_NAME="${SERVICE_NAME}_${PATH_PRIVATE_KEY_FILE_NAME}" | ||
| export PATH_CERTIFICATE_FILE_NAME="${SERVICE_NAME}_${PATH_CERTIFICATE_FILE_NAME}" | ||
| fi | ||
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| echo "Generate new private key and self-signed certificate..." | ||
| openssl req -subj "${CLIENT_SUBJ}" \ | ||
| -newkey rsa:4096 -nodes -sha256 -keyout ${TEMP_CERT_PATH}/${PATH_PRIVATE_KEY_FILE_NAME} \ | ||
| -x509 -days 365 -out ${TEMP_CERT_PATH}/${PATH_CERTIFICATE_FILE_NAME} >> ${GEN_CERTS_LOG} 2>&1 || { echo "Error generating certificates. Please see " ${GEN_CERTS_LOG} " for more info"; exit 1; } | ||
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| if [ -n "${SERVICE_NAME}" ] && [ "${SERVICE_NAME}" == "registry" ]; then | ||
| # Copy private key and self-signed certificate to the Docker Registry volume | ||
| echo "Copying certificates to the registry_certs volume..." | ||
| export CONTAINER_ID=$(docker run -v registry_certs:/certs busybox //bin/sh -c "mkdir -p //certs/registry" && docker ps -l -q) | ||
| if [ -n "${CONTAINER_ID}" ]; then | ||
| docker cp ${TEMP_CERT_PATH}/${PATH_CERTIFICATE_FILE_NAME} ${CONTAINER_ID}:/certs/registry/fullchain.pem | ||
| docker cp ${TEMP_CERT_PATH}/${PATH_PRIVATE_KEY_FILE_NAME} ${CONTAINER_ID}:/certs/registry/privkey.pem | ||
| docker rm -f ${CONTAINER_ID} | ||
| fi | ||
| fi | ||
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| # Copy private key and self-signed certificate to the ADOP NGINX (proxy) container SSL folder | ||
| echo "Copying certificates to the ADOP Proxy container..." | ||
| docker cp ${TEMP_CERT_PATH}/${PATH_CERTIFICATE_FILE_NAME} proxy:/etc/nginx/ssl/ | ||
| docker cp ${TEMP_CERT_PATH}/${PATH_PRIVATE_KEY_FILE_NAME} proxy:/etc/nginx/ssl/ | ||
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| # Some versions of Docker also require you to trust the certificate at the OS level | ||
| echo "Copying self-signed certificate to the trusted location /etc/docker/certs.d/..." | ||
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| if [ "${MACHINE_TYPE}" == "aws" ] && [ -n "${MACHINE_NAME}" ]; then | ||
| echo "Copying via docker-machine to the ${MACHINE_NAME}..." | ||
| docker-machine scp ${TEMP_CERT_PATH}/${PATH_CERTIFICATE_FILE_NAME} ${MACHINE_NAME}:/tmp | ||
| docker-machine ssh ${MACHINE_NAME} "sudo mkdir -p /etc/docker/certs.d/${DOMAIN_NAME}" | ||
| docker-machine ssh ${MACHINE_NAME} "sudo cp /tmp/${PATH_CERTIFICATE_FILE_NAME} /etc/docker/certs.d/${DOMAIN_NAME}/ca.crt" | ||
| else | ||
| mkdir -p /etc/docker/certs.d/${DOMAIN_NAME} | ||
| cp ${TEMP_CERT_PATH}/${PATH_CERTIFICATE_FILE_NAME} /etc/docker/certs.d/${DOMAIN_NAME}/ca.crt | ||
| fi | ||
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| # Enable service NGINX configuration by making symlink from "available" folder | ||
| if [ -n "${SERVICE_NAME}" ]; then | ||
| echo "Enable ${SERVICE_NAME} NGINX configuration..." | ||
| docker exec proxy ln -sf //etc/nginx/sites-available/${SERVICE_NAME}.conf //etc/nginx/sites-enabled/${SERVICE_NAME}.conf | ||
| fi | ||
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| # Restart Docker Registry to make sure we started it again with TLS enabled | ||
| echo "Restart Docker Registry container with applied certificates..." | ||
| docker restart registry > /dev/null 2>&1 | ||
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| # Reload NGINX configuration | ||
| echo "Restart ADOP Proxy container with updated certificates..." | ||
| docker exec proxy nginx -s reload | ||
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| # Cleaning up all temporary folders and files | ||
| rm -f temp.seq | ||
| rm -rf ${TEMP_CERT_PATH} | ||
| rm -f ${GEN_CERTS_LOG} | ||
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| echo "Self-Signed certificates has been generated successfully..." | ||
| } | ||
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| gen_letsencrypt_certs() { | ||
| # Set Parameters Values | ||
| export DOMAIN_NAME=$1 | ||
| export SERVICE_NAME=$2 | ||
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| local OPTIND | ||
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| while getopts "h" opt; do | ||
| case $opt in | ||
| h) | ||
| gen_letsencrypt_help | ||
| exit 1 | ||
| ;; | ||
| esac | ||
| done | ||
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| if [ -z ${DOMAIN_NAME} ]; then | ||
| gen_letsencrypt_help | ||
| exit 1 | ||
| fi | ||
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| echo "INFO: Let's Encrypt SSL certificates will be issued for ${DOMAIN_NAME}." | ||
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| export PROXY_CONTAINER_ID=$(docker ps --filter="name=proxy" -q | xargs) | ||
| export PROXY_CONTAINER_RESTART=false | ||
| if [ ! -z ${PROXY_CONTAINER_ID} ]; then | ||
| read -r -p "We found running Proxy (NGINX) container. To issue new SSL certificate we have to stop & start Proxy container, which will be cause of ADOP short outage. Please, confirm restart of Proxy (NGINX) container? [y/n] " response | ||
| case $response in | ||
| [yY][eE][sS]|[yY]) | ||
| PROXY_CONTAINER_RESTART=true | ||
| printf "Stopping Proxy (NGINX) container..." | ||
| docker stop proxy | ||
| ;; | ||
| *) | ||
| printf "SSL certificate issuing aborted by user." | ||
| exit 1 | ||
| ;; | ||
| esac | ||
| fi | ||
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| docker run --rm -i \ | ||
| -p 80:80 \ | ||
| -p 443:443 \ | ||
| -v registry_certs:/etc/letsencrypt \ | ||
| accenture/certbot:0.0.1 \ | ||
| certonly --standalone -d ${DOMAIN_NAME} --text --non-interactive --register-unsafely-without-email --agree-tos | ||
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| if [ -n "${SERVICE_NAME}" ]; then | ||
| export SERVICE_FOLDER="/certs/${SERVICE_NAME}" | ||
| docker run -i --rm -v registry_certs:/certs busybox sh -c "mkdir -p ${SERVICE_FOLDER} && cp -RL /certs/live/${DOMAIN_NAME}/fullchain.pem /certs/live/${DOMAIN_NAME}/privkey.pem ${SERVICE_FOLDER}" | ||
| fi | ||
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| if [ ${PROXY_CONTAINER_RESTART} = true ]; then | ||
| printf "Starting Proxy (NGINX) container..." | ||
| docker start proxy | ||
| fi | ||
| } | ||
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| export_letsencrypt_certs() { | ||
| # Set Parameters Values | ||
| export DOMAIN_NAME=$1 | ||
| export SERVICE_NAME=$2 | ||
|
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| local OPTIND | ||
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| while getopts "h" opt; do | ||
| case $opt in | ||
| h) | ||
| export_letsencrypt_help | ||
| exit 1 | ||
| ;; | ||
| esac | ||
| done | ||
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| if [ -z ${DOMAIN_NAME} ]; then | ||
| export_letsencrypt_help | ||
| exit 1 | ||
| fi | ||
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| export DEST_CHAIN_FILE_NAME=fullchain.pem | ||
| export DEST_PRIVATE_KEY_FILE_NAME=privkey.pem | ||
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| if [ -n "${SERVICE_NAME}" ]; then | ||
| export DEST_CHAIN_FILE_NAME="${SERVICE_NAME}_fullchain.pem" | ||
| export DEST_PRIVATE_KEY_FILE_NAME="${SERVICE_NAME}_privkey.pem" | ||
| docker exec proxy ln -sf //etc/nginx/sites-available/${SERVICE_NAME}.conf //etc/nginx/sites-enabled/${SERVICE_NAME}.conf | ||
| fi | ||
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| export CONTAINER_ID=$(docker run -v registry_certs:/certs busybox //bin/sh -c "mkdir -p //tmp/certs; cp -L //certs/live/${DOMAIN_NAME}/fullchain.pem //tmp/certs/fullchain.pem; cp -L //certs/live/${DOMAIN_NAME}/privkey.pem //tmp/certs/privkey.pem" && docker ps -l -q) | ||
| if [ -n "${CONTAINER_ID}" ]; then | ||
| docker cp ${CONTAINER_ID}:/tmp/certs/fullchain.pem ${DEST_CHAIN_FILE_NAME} | ||
| docker cp ${CONTAINER_ID}:/tmp/certs/privkey.pem ${DEST_PRIVATE_KEY_FILE_NAME} | ||
| docker cp ${DEST_CHAIN_FILE_NAME} proxy:/etc/nginx/ssl/ | ||
| docker cp ${DEST_PRIVATE_KEY_FILE_NAME} proxy:/etc/nginx/ssl/ | ||
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| rm ${DEST_CHAIN_FILE_NAME} ${DEST_PRIVATE_KEY_FILE_NAME} | ||
| docker rm -f ${CONTAINER_ID} | ||
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| docker exec proxy nginx -s reload | ||
| fi | ||
| } | ||
|
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| shift $(($OPTIND -1)) | ||
| SUBCOMMAND_OPT="${1:-help}" | ||
|
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| # Only shift if there are other parameters | ||
| if [ $# -ge 1 ]; then | ||
| shift | ||
| fi | ||
|
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| case ${SUBCOMMAND_OPT} in | ||
| "cmd_desc"|"help") | ||
| ${SUBCOMMAND_OPT} "$@" | ||
| ;; | ||
| "gen-export-certs") | ||
| gen_export_certs "$@" | ||
| ;; | ||
| "gen-letsencrypt-certs") | ||
| gen_letsencrypt_certs "$@" | ||
| ;; | ||
| "export-letsencrypt-certs") | ||
| export_letsencrypt_certs "$@" | ||
| ;; | ||
| *) | ||
| echo "Invalid parameter(s) or option(s)." | ||
| help | ||
| exit 1 | ||
| ;; | ||
| esac |
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