mirror of
https://github.com/dockersrc/scripts
synced 2024-11-21 23:23:05 -05:00
223 lines
10 KiB
Bash
Executable File
223 lines
10 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# https://www.gnu.org/software/bash/manual/html_node/The-Set-Builtin.html
|
|
[ "$DEBUGGER" = "on" ] && echo "Enabling debugging" && set -o pipefail -x$DEBUGGER_OPTIONS || set -o pipefail
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
export PATH="/usr/local/etc/docker/bin:/usr/local/bin:/usr/bin:/usr/sbin:/bin:/sbin"
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# run trap command on exit
|
|
trap 'retVal=$?;[ "$SERVICE_IS_RUNNING" != "true" ] && [ -f "/run/init.d/$EXEC_CMD_BIN.pid" ] && rm -Rf "/run/init.d/$EXEC_CMD_BIN.pid";exit $retVal' SIGINT SIGTERM EXIT
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# import the functions file
|
|
if [ -f "/usr/local/etc/docker/functions/entrypoint.sh" ]; then
|
|
. "/usr/local/etc/docker/functions/entrypoint.sh"
|
|
fi
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# import variables
|
|
for set_env in "/root/env.sh" "/usr/local/etc/docker/env"/*.sh "/config/env"/*.sh; do
|
|
[ -f "$set_env" ] && . "$set_env"
|
|
done
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# Custom functions
|
|
__rndc_key() { grep -s 'key "rndc-key" ' /etc/named.conf | grep -v 'KEY_RNDC' | sed 's|.*secret ||g;s|"||g;s|;.*||g' | grep '^' || return 1; }
|
|
__tsig_key() { tsig-keygen -a hmac-sha256 | grep 'secret' | sed 's|.*secret "||g;s|"||g;s|;||g' | grep '^' || echo 'wp/HApbthaVPjwqgp6ziLlmnkyLSNbRTehkdARBDcpI='; }
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# execute command variables
|
|
WORKDIR="" # set working directory
|
|
SERVICE_UID="0" # set the user id
|
|
SERVICE_USER="root" # execute command as another user
|
|
SERVICE_PORT="53" # port which service is listening on
|
|
EXEC_CMD_BIN="named" # command to execute
|
|
EXEC_CMD_ARGS="-f -c /etc/named/named.conf" # command arguments
|
|
PRE_EXEC_MESSAGE="" # Show message before execute
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# Other variables that are needed
|
|
etc_dir="/etc/bind"
|
|
var_dir="/var/bind"
|
|
data_dir="/data/named"
|
|
conf_dir="/config/named"
|
|
KEY_RNDC="${KEY_RNDC:-$(__tsig_key)}"
|
|
KEY_DHCP="${KEY_DHCP:-$(__tsig_key)}"
|
|
KEY_BACKUP="${KEY_BACKUP:-$(__tsig_key)}"
|
|
KEY_CERTBOT="${KEY_CERTBOT:-$(__tsig_key)}"
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# use this function to update config files - IE: change port
|
|
__update_conf_files() {
|
|
[ -z "$(type -p 'named' 2>/dev/null)" ] && echo "the program named is not installed" && exit 1
|
|
local zone_files="" serial=""
|
|
serial="$(date +'%Y%m%d%S')"
|
|
#
|
|
mkdir -p "/run/named" "/data/logs/named"
|
|
mkdir -p "$etc_dir/keys" "$var_dir/zones" "$conf_dir/keys" "$data_dir/zones"
|
|
cp -Rf "$conf_dir/." "$etc_dir/"
|
|
[ -f "$etc_dir/custom.conf" ] && mv -f "$etc_dir/custom.conf" "$etc_dir/named.conf"
|
|
#
|
|
sed -i 's|REPLACE_KEY_RNDC|'$KEY_RNDC'|g' "$etc_dir/rndc.key" #&>/dev/null
|
|
sed -i 's|REPLACE_KEY_RNDC|'$KEY_RNDC'|g' "$etc_dir/named.conf" #&>/dev/null
|
|
sed -i 's|REPLACE_KEY_DHCP|'$KEY_DHCP'|g' "$etc_dir/named.conf" #&>/dev/null
|
|
sed -i 's|REPLACE_KEY_BACKUP|'$KEY_BACKUP'|g' "$etc_dir/named.conf" #&>/dev/null
|
|
sed -i 's|REPLACE_KEY_CERTBOT|'$KEY_CERTBOT'|g' "$etc_dir/named.conf" #&>/dev/null
|
|
#
|
|
chmod -Rf 777 "/data/logs"
|
|
for logfile in default debug security; do
|
|
touch "/data/logs/named/${logfile}.log"
|
|
chmod -Rf 777 "$file"
|
|
done
|
|
#
|
|
zone_files="$(find "$data_dir/zones/" -type f | wc -l)"
|
|
if [ $zone_files = 0 ] && [ ! -f "$data_dir/zones/$HOSTNAME.zone" ]; then
|
|
cat <<EOF | tee "$data_dir/zones/$HOSTNAME.zone" &>/dev/null
|
|
; config for $HOSTNAME
|
|
@ IN SOA $HOSTNAME. root.$HOSTNAME. ( $serial 10800 3600 1209600 38400)
|
|
IN NS $HOSTNAME.
|
|
$HOSTNAME. IN A $CONTAINER_IP4_ADDRESS
|
|
|
|
EOF
|
|
fi
|
|
#
|
|
for dns_file in "$data_dir/zones"/*; do
|
|
file_name="$(basename "$dns_file")"
|
|
domain_name="$(grep -Rs '\$ORIGIN' "$dns_file" | awk '{print $NF}' | sed 's|.$||g')"
|
|
if [ -f "$dns_file" ]; then
|
|
cp -Rf "$dns_file" "$var_dir/zones/$file_name"
|
|
if ! grep -qs "$domain_name" "$etc_dir/named.conf" && [ -n "$domain_name" ]; then
|
|
cat <<EOF >>"$etc_dir/named.conf"
|
|
# ********** begin $domain_name **********
|
|
zone "$domain_name" {
|
|
type master;
|
|
file "$var_dir/zones/$file_name";
|
|
notify yes;
|
|
allow-update {key "certbot."; key "dhcp-key"; trusted;};
|
|
allow-transfer { any; key "backup-key"; };
|
|
};
|
|
# ********** end $domain_name **********
|
|
|
|
EOF
|
|
grep -qs "$domain_name" "$etc_dir/named.conf" && echo "Added $domain_name to $etc_dir/named.conf"
|
|
fi
|
|
fi
|
|
done
|
|
named-checkconf -z /etc/bind/named.conf &>/dev/null && echo "named-checkconf has succeeded" || {
|
|
echo "named-checkconf has failed:"
|
|
named-checkconf -z /etc/bind/named.conf
|
|
}
|
|
|
|
return 0
|
|
}
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# use this function to setup ssl support
|
|
__update_ssl_conf() {
|
|
|
|
return 0
|
|
}
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# function to run before executing
|
|
__pre_execute() {
|
|
chown -Rf named:named "$etc_dir" "$var_dir" "/run/named" "/data/logs/named" && echo "changed ownership to named"
|
|
find "$etc_dir" "$var_dir" "$conf_dir" "$data_dir" "/run/named" -type d -exec chmod -Rf 777 {} \; && echo "changed folder permissions to 777"
|
|
find "$etc_dir" "$var_dir" "$conf_dir" "$data_dir" "/run/named" -type f -exec chmod -Rf 664 {} \; && echo "changed file permissions to 664"
|
|
chmod -Rf 666 "$data_dir/log/named"/*
|
|
|
|
return 0
|
|
}
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# script to start server
|
|
__run_start_script() {
|
|
local workdir="${WORKDIR:-$HOME}"
|
|
local cmd="$EXEC_CMD_BIN $EXEC_CMD_ARGS"
|
|
local user="${SERVICE_USER:-root}"
|
|
local lc_type="${LC_ALL:-${LC_CTYPE:-$LANG}}"
|
|
local home="${workdir//\/root/\/home\/docker}"
|
|
local path="/usr/local/bin:/usr/bin:/bin:/usr/sbin"
|
|
case "$1" in
|
|
check) shift 1 && __pgrep $EXEC_CMD_BIN || return 5 ;;
|
|
*) su_cmd env -i PWD="$home" HOME="$home" LC_CTYPE="$lc_type" PATH="$path" USER="$user" sh -c "$cmd" || return 10 ;;
|
|
esac
|
|
}
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# process check functions
|
|
__pcheck() { [ -n "$(type -P pgrep 2>/dev/null)" ] && pgrep -x "$1" &>/dev/null && return 0 || return 10; }
|
|
__pgrep() { __pcheck "${1:-EXEC_CMD_BIN}" || __ps aux 2>/dev/null | grep -Fw " ${1:-$EXEC_CMD_BIN}" | grep -qv ' grep' | grep '^' && return 0 || return 10; }
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# Allow ENV_ variable
|
|
[ -f "/config/env/$EXEC_CMD_BIN.sh" ] && "/config/env/$EXEC_CMD_BIN.sh" # Import env file
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
WORKDIR="${ENV_WORKDIR:-$WORKDIR}" # change to directory
|
|
SERVICE_USER="${ENV_SERVICE_USER:-$SERVICE_USER}" # execute command as another user
|
|
SERVICE_UID="${ENV_SERVICE_UID:-$SERVICE_UID}" # set the user id
|
|
SERVICE_PORT="${ENV_SERVICE_PORT:-$SERVICE_PORT}" # port which service is listening on
|
|
EXEC_CMD_BIN="${ENV_EXEC_CMD_BIN:-$EXEC_CMD_BIN}" # command to execute
|
|
EXEC_CMD_ARGS="${ENV_EXEC_CMD_ARGS:-$EXEC_CMD_ARGS}" # command arguments
|
|
PRE_EXEC_MESSAGE="${ENV_PRE_EXEC_MESSAGE:-$PRE_EXEC_MESSAGE}" # Show message before execute
|
|
SERVICE_EXIT_CODE=0 # default exit code
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
printf '%s\n' "# - - - Attempting to start $EXEC_CMD_BIN - - - #"
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# ensure the command exists
|
|
if [ ! -f "$(type -P "$EXEC_CMD_BIN")" ] && [ -z "$EXEC_CMD_BIN" ]; then
|
|
echo "$EXEC_CMD_BIN is not a valid command"
|
|
exit 2
|
|
fi
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# check if process is already running
|
|
if __pgrep "$EXEC_CMD_BIN"; then
|
|
SERVICE_IS_RUNNING="true"
|
|
echo "$EXEC_CMD_BIN is running"
|
|
exit 0
|
|
fi
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# show message if env exists
|
|
if [ -n "$EXEC_CMD_BIN" ]; then
|
|
[ -n "$SERVICE_USER" ] && echo "Setting up service to run as $SERVICE_USER"
|
|
[ -n "$SERVICE_PORT" ] && echo "$EXEC_CMD_BIN will be running on $SERVICE_PORT"
|
|
fi
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# Change to working directory
|
|
[ -n "$WORKDIR" ] && mkdir -p "$WORKDIR" && __cd "$WORKDIR" && echo "Changed to $PWD"
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# Initialize ssl
|
|
__update_ssl_conf
|
|
__update_ssl_certs
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# Updating config files
|
|
__update_conf_files
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
# run the pre execute commands
|
|
[ -n "$PRE_EXEC_MESSAGE" ] && echo "$PRE_EXEC_MESSAGE"
|
|
__pre_execute
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
WORKDIR="${WORKDIR:-}"
|
|
if [ "$SERVICE_USER" = "root" ] || [ -z "$SERVICE_USER" ]; then
|
|
su_cmd() { eval "$@" || return 1; }
|
|
elif [ "$(builtin type -P gosu)" ]; then
|
|
su_cmd() { gosu $SERVICE_USER "$@" || return 1; }
|
|
elif [ "$(builtin type -P runuser)" ]; then
|
|
su_cmd() { runuser -u $SERVICE_USER "$@" || return 1; }
|
|
elif [ "$(builtin type -P sudo)" ]; then
|
|
su_cmd() { sudo -u $SERVICE_USER "$@" || return 1; }
|
|
elif [ "$(builtin type -P su)" ]; then
|
|
su_cmd() { su -s /bin/sh - $SERVICE_USER -c "$@" || return 1; }
|
|
else
|
|
echo "Can not switch to $SERVICE_USER: attempting to run as root"
|
|
su_cmd() { eval "$@" || return 1; }
|
|
fi
|
|
if [ -n "$WORKDIR" ] && [ "${SERVICE_USER:-$USER}" != "root" ]; then
|
|
echo "Fixing file permissions"
|
|
su_cmd chown -Rf $SERVICE_USER $WORKDIR $etc_dir $var_dir $log_dir
|
|
fi
|
|
if __pgrep $EXEC_CMD_BIN && [ -f "/run/init.d/$EXEC_CMD_BIN.pid" ]; then
|
|
SERVICE_EXIT_CODE=1
|
|
echo "$EXEC_CMD_BIN" is already running
|
|
else
|
|
echo "Starting service: $EXEC_CMD_BIN $EXEC_CMD_ARGS"
|
|
su_cmd touch /run/init.d/$EXEC_CMD_BIN.pid
|
|
__run_start_script "$@" |& tee -a "/data/logs/entrypoint.log"
|
|
if [ "$?" -ne 0 ]; then
|
|
echo "Failed to execute: $EXEC_CMD_BIN $EXEC_CMD_ARGS"
|
|
SERVICE_EXIT_CODE=10 SERVICE_IS_RUNNING="false"
|
|
su_cmd rm -Rf "/run/init.d/$EXEC_CMD_BIN.pid"
|
|
fi
|
|
fi
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
exit $SERVICE_EXIT_CODE
|