275 lines
8.8 KiB
Bash
Executable File
275 lines
8.8 KiB
Bash
Executable File
#!/bin/sh
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#
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### start ab-nginx container using params file variables
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#
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# text formatting presets
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cyan=$(tput setaf 6)
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err=$(tput bold)$(tput setaf 1)
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magenta=$(tput setaf 5)
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norm=$(tput sgr0)
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yellow=$(tput setaf 3)
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### parameter defaults
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shell=false
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container_name="ab-nginx"
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NETWORK='nginx_network'
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SUBNET='172.31.254.0/24'
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HTTP_PORT=80
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HTTPS_PORT=443
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unset CONFIG_DIR
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unset SERVERS_DIR
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unset WEBROOT_DIR
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unset vmount
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### functions
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checkExist () {
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if [ "$1" = 'file' ]; then
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if [ ! -f "$2" ]; then
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printf "${err}\nCannot find file: '$2'. Exiting.\n${norm}"
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exit 3
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fi
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elif [ "$1" = 'dir' ]; then
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if [ ! -d "$2" ]; then
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printf "${err}\nCannot find directory: '$2'. Exiting.\n${norm}"
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exit 3
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fi
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fi
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return 0
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}
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scriptHelp () {
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printf "\n${magenta}%80s\n" | tr " " "-"
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printf "${norm}This is a simple helper script so you can avoid lengthy typing when working\n"
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printf "with the nginx container. The script reads the contents of 'ab-nginx.params'\n"
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printf "and constructs various 'docker run' commands based on that file. The biggest\n"
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printf "timesaver is working with certificates. If they are specified in params file,\n"
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printf "the script will automatically bind-mount them so nginx serves content via SSL\n"
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printf "by default.\n\n"
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printf "If you run the script with no parameters, it will execute the container\n"
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printf "'normally': Run in detached mode with nginx automatically launched and\n"
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printf "logging to stdout. If you specified certificates, nginx will serve over SSL\n"
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printf "by default.\n"
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printf "Note: Containers (except shell) are always set to restart 'unless-stopped'. You\n"
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printf "must remove them manually if desired.\n\n"
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printf "${magenta}The script has the following parameters:\n"
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printf "${cyan}(parameter in cyan) ${yellow}(default in yellow)${norm}\n\n"
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printf "${cyan}-n|--name${norm}\n"
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printf "Change the name of the container. This is cosmetic and does not affect\n"
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printf "operation in any way.\n"
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printf "${yellow}(ab-nginx)${norm}\n\n"
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printf "${cyan}-s|--shell${norm}\n"
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printf "Enter the container using an interactive POSIX shell. This happens after\n"
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printf "startup operations but *before* nginx is actually started. This is a great way\n"
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printf "to see configuration changes possibly stopping nginx from starting normally.\n"
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printf "${yellow}(off: run in detached mode)${norm}\n\n"
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printf "${yellow}More information can be found at:\n"
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printf "https://git.asifbacchus.app/ab-docker/ab-nginx/wiki\n"
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printf "${magenta}%80s\n\n" | tr " " "-"
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exit 0
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}
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### pre-requisite checks
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# is user root or in the docker group?
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if [ ! "$( id -u )" -eq 0 ]; then
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if ! id -Gn | grep docker > /dev/null; then
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printf "${err}\nYou must either be root or in the 'docker' group to run this script since you must be able to actually start the container! Exiting.\n${norm}"
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exit 2
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fi
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fi
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# does the params file exist?
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checkExist 'file' './ab-nginx.params'
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# read .params file
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. ./ab-nginx.params
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# fix case of TLS13_ONLY var
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if [ "$TLS13_ONLY" ]; then
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TLS13_ONLY=$( printf "%s" "$TLS13_ONLY" | tr "[:lower:]" "[:upper:]" )
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fi
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# check for certs if using SSL
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checkExist 'file' "$SSL_CERT"
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checkExist 'file' "$SSL_KEY"
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checkExist 'file' "$SSL_CHAIN"
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# check for DHparam if using TLS1.2
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if [ "$TLS13_ONLY" = 'FALSE' ]; then
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if [ -z "$DH" ]; then
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printf "${err}\nA DHparam file must be specified when using TLS 1.2. Exiting.${norm}\n"
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exit 5
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else
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checkExist 'file' "$DH"
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fi
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fi
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# check if specified config directory exists
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if [ "$CONFIG_DIR" ]; then
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checkExist 'dir' "$CONFIG_DIR"
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fi
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# check if specified server-block directory exists
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if [ "$SERVERS_DIR" ]; then
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checkExist 'dir' "$SERVERS_DIR"
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fi
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# check if specified webroot directory exists
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if [ "$WEBROOT_DIR" ]; then
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checkExist 'dir' "$WEBROOT_DIR"
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fi
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# set up volume mounts
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if [ "$CONFIG_DIR" ]; then
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vmount="$vmount -v $CONFIG_DIR:/etc/nginx/config"
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fi
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if [ "$SERVERS_DIR" ]; then
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vmount="$vmount -v $SERVERS_DIR:/etc/nginx/sites"
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fi
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if [ "$SNIPPETS_DIR" ]; then
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vmount="$vmount -v $SNIPPETS_DIR:/etc/nginx/snippets"
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fi
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if [ "$WEBROOT_DIR" ]; then
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vmount="$vmount -v $WEBROOT_DIR:/usr/share/nginx/html"
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fi
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# trim leading whitespace
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vmount=${vmount##[[:space:]]}
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# process startup parameters
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while [ $# -gt 0 ]; do
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case "$1" in
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-h|-\?|--help)
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# display help
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scriptHelp
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exit 0
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;;
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-s|--shell)
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# start shell instead of default CMD
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shell=true
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;;
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-n|--name)
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# container name
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if [ -z "$2" ]; then
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printf "${err}\nNo container name specified. Exiting.\n${norm}"
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exit 1
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fi
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container_name="$2"
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shift
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;;
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*)
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printf "${err}\nUnknown option: %s\n" "$1"
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printf "Use '--help' for valid options.\n\n${norm}"
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exit 1
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;;
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esac
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shift
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done
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# create network if it doesn't already exist
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docker network inspect ${NETWORK} > /dev/null 2>&1 || \
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docker network create \
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--attachable \
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--driver=bridge \
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--subnet=${SUBNET} \
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${NETWORK}
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# run without TLS
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if [ -z "$SSL_CERT" ]; then
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if [ $shell = 'true' ]; then
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# exec shell
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printf "${cyan}\nRunning SHELL on %s...${norm}\n" "$container_name"
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docker run --rm -it --name ${container_name} \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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--network=${NETWORK} \
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-p ${HTTP_PORT}:80 \
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docker.asifbacchus.app/nginx/ab-nginx:latest /bin/sh
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else
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# exec normally
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printf "${cyan}\nRunning NGINX on %s...${norm}\n" "$container_name"
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docker run -d --name ${container_name} \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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--network=${NETWORK} \
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-p ${HTTP_PORT}:80 \
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--restart unless-stopped \
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docker.asifbacchus.app/nginx/ab-nginx:latest
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fi
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# run with TLS1.2
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elif [ "$SSL_CERT" ] && [ "$TLS13_ONLY" = 'FALSE' ]; then
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if [ $shell = 'true' ]; then
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# exec shell
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printf "${cyan}\nRunning SHELL on %s (TLS 1.2)...${norm}\n" "$container_name"
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docker run --rm -it --name ${container_name} \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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--network=${NETWORK} \
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-v "$SSL_CERT":/certs/fullchain.pem:ro \
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-v "$SSL_KEY":/certs/privkey.pem:ro \
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-v "$SSL_CHAIN":/certs/chain.pem:ro \
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-v "$DH":/certs/dhparam.pem:ro \
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-p ${HTTP_PORT}:80 -p ${HTTPS_PORT}:443 \
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docker.asifbacchus.app/nginx/ab-nginx:latest /bin/sh
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else
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# exec normally
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printf "${cyan}\nRunning NGINX on %s (TLS 1.2)...${norm}\n" "$container_name"
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docker run -d --name ${container_name} \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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--network=${NETWORK} \
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-v "$SSL_CERT":/certs/fullchain.pem:ro \
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-v "$SSL_KEY":/certs/privkey.pem:ro \
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-v "$SSL_CHAIN":/certs/chain.pem:ro \
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-v "$DH":/certs/dhparam.pem:ro \
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-p ${HTTP_PORT}:80 -p ${HTTPS_PORT}:443 \
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--restart unless-stopped \
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docker.asifbacchus.app/nginx/ab-nginx:latest
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fi
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# run with TLS1.3
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elif [ "$SSL_CERT" ] && [ "$TLS13_ONLY" = 'TRUE' ]; then
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if [ $shell = 'true' ]; then
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# exec shell
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printf "${cyan}\nRunning SHELL on %s (TLS 1.3)...${norm}\n" "$container_name"
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docker run --rm -it --name ${container_name} \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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--network=${NETWORK} \
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-v "$SSL_CERT":/certs/fullchain.pem:ro \
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-v "$SSL_KEY":/certs/privkey.pem:ro \
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-v "$SSL_CHAIN":/certs/chain.pem:ro \
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-p ${HTTP_PORT}:80 -p ${HTTPS_PORT}:443 \
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docker.asifbacchus.app/nginx/ab-nginx:latest /bin/sh
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else
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# exec normally
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printf "${cyan}\nRunning NGINX on %s (TLS 1.3)...${norm}\n" "$container_name"
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docker run -d --name ${container_name} \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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--network=${NETWORK} \
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-v "$SSL_CERT":/certs/fullchain.pem:ro \
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-v "$SSL_KEY":/certs/privkey.pem:ro \
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-v "$SSL_CHAIN":/certs/chain.pem:ro \
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-p ${HTTP_PORT}:80 -p ${HTTPS_PORT}:443 \
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--restart unless-stopped \
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docker.asifbacchus.app/nginx/ab-nginx:latest
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fi
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fi
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### exit gracefully
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exit 0
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