mirror of
https://github.com/zabbix/zabbix-docker.git
synced 2024-11-30 11:43:09 +01:00
310 lines
10 KiB
Bash
Executable File
310 lines
10 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
set -o pipefail
|
|
|
|
set +e
|
|
|
|
# Script trace mode
|
|
if [ "${DEBUG_MODE}" == "true" ]; then
|
|
set -o xtrace
|
|
fi
|
|
|
|
# Default Zabbix installation name
|
|
# Used only by Zabbix web-interface
|
|
ZBX_SERVER_NAME=${ZBX_SERVER_NAME:-"Zabbix docker"}
|
|
# Default Zabbix server host
|
|
ZBX_SERVER_HOST=${ZBX_SERVER_HOST:-"zabbix-server"}
|
|
# Default Zabbix server port number
|
|
ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
|
|
|
|
# Default timezone for web interface
|
|
PHP_TZ=${PHP_TZ:-"Europe/Riga"}
|
|
|
|
#Enable PostgreSQL timescaleDB feature:
|
|
ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
|
|
|
|
# Default directories
|
|
# User 'zabbix' home directory
|
|
ZABBIX_USER_HOME_DIR="/var/lib/zabbix"
|
|
# Configuration files directory
|
|
ZABBIX_ETC_DIR="/etc/zabbix"
|
|
# Web interface www-root directory
|
|
ZBX_FRONTEND_PATH="/usr/share/zabbix"
|
|
|
|
# usage: file_env VAR [DEFAULT]
|
|
# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
|
|
# (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
|
|
# unsets the VAR_FILE afterwards and just leaving VAR
|
|
file_env() {
|
|
local var="$1"
|
|
local fileVar="${var}_FILE"
|
|
local defaultValue="${2:-}"
|
|
|
|
if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
|
|
echo "**** Both variables $var and $fileVar are set (but are exclusive)"
|
|
exit 1
|
|
fi
|
|
|
|
local val="$defaultValue"
|
|
|
|
if [ "${!var:-}" ]; then
|
|
val="${!var}"
|
|
echo "** Using ${var} variable from ENV"
|
|
elif [ "${!fileVar:-}" ]; then
|
|
if [ ! -f "${!fileVar}" ]; then
|
|
echo "**** Secret file \"${!fileVar}\" is not found"
|
|
exit 1
|
|
fi
|
|
val="$(< "${!fileVar}")"
|
|
echo "** Using ${var} variable from secret file"
|
|
fi
|
|
export "$var"="$val"
|
|
unset "$fileVar"
|
|
}
|
|
|
|
escape_spec_char() {
|
|
local var_value=$1
|
|
|
|
var_value="${var_value//\\/\\\\}"
|
|
var_value="${var_value//[$'\n']/}"
|
|
var_value="${var_value//\//\\/}"
|
|
var_value="${var_value//./\\.}"
|
|
var_value="${var_value//\*/\\*}"
|
|
var_value="${var_value//^/\\^}"
|
|
var_value="${var_value//\$/\\\$}"
|
|
var_value="${var_value//\&/\\\&}"
|
|
var_value="${var_value//\[/\\[}"
|
|
var_value="${var_value//\]/\\]}"
|
|
|
|
echo "$var_value"
|
|
}
|
|
|
|
update_config_var() {
|
|
local config_path=$1
|
|
local var_name=$2
|
|
local var_value=$3
|
|
local is_multiple=$4
|
|
|
|
if [ ! -f "$config_path" ]; then
|
|
echo "**** Configuration file '$config_path' does not exist"
|
|
return
|
|
fi
|
|
|
|
echo -n "** Updating '$config_path' parameter \"$var_name\": '$var_value'... "
|
|
|
|
# Remove configuration parameter definition in case of unset parameter value
|
|
if [ -z "$var_value" ]; then
|
|
sed -i -e "/^$var_name=/d" "$config_path"
|
|
echo "removed"
|
|
return
|
|
fi
|
|
|
|
# Remove value from configuration parameter in case of double quoted parameter value
|
|
if [ "$var_value" == '""' ]; then
|
|
sed -i -e "/^$var_name=/s/=.*/=/" "$config_path"
|
|
echo "undefined"
|
|
return
|
|
fi
|
|
|
|
# Escaping characters in parameter value and name
|
|
var_value=$(escape_spec_char "$var_value")
|
|
var_name=$(escape_spec_char "$var_name")
|
|
|
|
if [ "$(grep -E "^$var_name=" $config_path)" ] && [ "$is_multiple" != "true" ]; then
|
|
sed -i -e "/^$var_name=/s/=.*/=$var_value/" "$config_path"
|
|
echo "updated"
|
|
elif [ "$(grep -Ec "^# $var_name=" $config_path)" -gt 1 ]; then
|
|
sed -i -e "/^[#;] $var_name=$/i\\$var_name=$var_value" "$config_path"
|
|
echo "added first occurrence"
|
|
else
|
|
sed -i -e "/^[#;] $var_name=/s/.*/&\n$var_name=$var_value/" "$config_path"
|
|
echo "added"
|
|
fi
|
|
|
|
}
|
|
|
|
update_config_multiple_var() {
|
|
local config_path=$1
|
|
local var_name=$2
|
|
local var_value=$3
|
|
|
|
var_value="${var_value%\"}"
|
|
var_value="${var_value#\"}"
|
|
|
|
local IFS=,
|
|
local OPT_LIST=($var_value)
|
|
|
|
for value in "${OPT_LIST[@]}"; do
|
|
update_config_var $config_path $var_name $value true
|
|
done
|
|
}
|
|
|
|
# Check prerequisites for MySQL database
|
|
check_variables() {
|
|
: ${DB_SERVER_HOST:="mysql-server"}
|
|
: ${DB_SERVER_PORT:="3306"}
|
|
USE_DB_ROOT_USER=false
|
|
CREATE_ZBX_DB_USER=false
|
|
file_env MYSQL_USER
|
|
file_env MYSQL_PASSWORD
|
|
|
|
if [ ! -n "${MYSQL_USER}" ] && [ "${MYSQL_RANDOM_ROOT_PASSWORD}" == "true" ]; then
|
|
echo "**** Impossible to use MySQL server because of unknown Zabbix user and random 'root' password"
|
|
exit 1
|
|
fi
|
|
|
|
if [ ! -n "${MYSQL_USER}" ] && [ ! -n "${MYSQL_ROOT_PASSWORD}" ] && [ "${MYSQL_ALLOW_EMPTY_PASSWORD}" != "true" ]; then
|
|
echo "*** Impossible to use MySQL server because 'root' password is not defined and it is not empty"
|
|
exit 1
|
|
fi
|
|
|
|
if [ "${MYSQL_ALLOW_EMPTY_PASSWORD}" == "true" ] || [ -n "${MYSQL_ROOT_PASSWORD}" ]; then
|
|
USE_DB_ROOT_USER=true
|
|
DB_SERVER_ROOT_USER="root"
|
|
DB_SERVER_ROOT_PASS=${MYSQL_ROOT_PASSWORD:-""}
|
|
fi
|
|
|
|
[ -n "${MYSQL_USER}" ] && CREATE_ZBX_DB_USER=true
|
|
|
|
# If root password is not specified use provided credentials
|
|
: ${DB_SERVER_ROOT_USER:=${MYSQL_USER}}....
|
|
[ "${MYSQL_ALLOW_EMPTY_PASSWORD}" == "true" ] || DB_SERVER_ROOT_PASS=${DB_SERVER_ROOT_PASS:-${MYSQL_PASSWORD}}
|
|
DB_SERVER_ZBX_USER=${MYSQL_USER:-"zabbix"}
|
|
DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
|
|
|
|
DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
|
|
}
|
|
|
|
check_db_connect() {
|
|
echo "********************"
|
|
echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
|
|
echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
|
|
echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
|
|
if [ "${DEBUG_MODE}" == "true" ]; then
|
|
if [ "${USE_DB_ROOT_USER}" == "true" ]; then
|
|
echo "* DB_SERVER_ROOT_USER: ${DB_SERVER_ROOT_USER}"
|
|
echo "* DB_SERVER_ROOT_PASS: ${DB_SERVER_ROOT_PASS}"
|
|
fi
|
|
echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
|
|
echo "* DB_SERVER_ZBX_PASS: ${DB_SERVER_ZBX_PASS}"
|
|
echo "********************"
|
|
fi
|
|
echo "********************"
|
|
|
|
WAIT_TIMEOUT=5
|
|
|
|
if [ "${ZBX_DB_ENCRYPTION}" == "true" ]; then
|
|
ssl_opts="--ssl --ssl-ca=${ZBX_DB_CA_FILE} --ssl-key=${ZBX_DB_KEY_FILE} --ssl-cert=${ZBX_DB_CERT_FILE}"
|
|
fi
|
|
|
|
while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
|
|
--password="${DB_SERVER_ROOT_PASS}" --silent --connect_timeout=10 $ssl_opts)" ]; do
|
|
echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
|
|
sleep $WAIT_TIMEOUT
|
|
done
|
|
}
|
|
|
|
prepare_web_server() {
|
|
NGINX_CONFD_DIR="/etc/nginx/conf.d"
|
|
NGINX_SSL_CONFIG="/etc/ssl/nginx"
|
|
|
|
echo "** Adding Zabbix virtual host (HTTP)"
|
|
if [ -f "$ZABBIX_ETC_DIR/nginx.conf" ]; then
|
|
ln -s "$ZABBIX_ETC_DIR/nginx.conf" "$NGINX_CONFD_DIR"
|
|
else
|
|
echo "**** Impossible to enable HTTP virtual host"
|
|
fi
|
|
|
|
if [ -f "$NGINX_SSL_CONFIG/ssl.crt" ] && [ -f "$NGINX_SSL_CONFIG/ssl.key" ] && [ -f "$NGINX_SSL_CONFIG/dhparam.pem" ]; then
|
|
echo "** Enable SSL support for Nginx"
|
|
if [ -f "$ZABBIX_ETC_DIR/nginx_ssl.conf" ]; then
|
|
ln -s "$ZABBIX_ETC_DIR/nginx_ssl.conf" "$NGINX_CONFD_DIR"
|
|
else
|
|
echo "**** Impossible to enable HTTPS virtual host"
|
|
fi
|
|
else
|
|
echo "**** Impossible to enable SSL support for Nginx. Certificates are missed."
|
|
fi
|
|
}
|
|
|
|
prepare_zbx_web_config() {
|
|
local server_name=""
|
|
|
|
echo "** Preparing Zabbix frontend configuration file"
|
|
|
|
ZBX_WWW_ROOT="/usr/share/zabbix"
|
|
ZBX_WEB_CONFIG="$ZABBIX_ETC_DIR/web/zabbix.conf.php"
|
|
|
|
PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
|
|
|
|
update_config_var "$PHP_CONFIG_FILE" "php_value[max_execution_time]" "${ZBX_MAXEXECUTIONTIME:-"600"}"
|
|
update_config_var "$PHP_CONFIG_FILE" "php_value[memory_limit]" "${ZBX_MEMORYLIMIT:-"128M"}"
|
|
update_config_var "$PHP_CONFIG_FILE" "php_value[post_max_size]" "${ZBX_POSTMAXSIZE:-"16M"}"
|
|
update_config_var "$PHP_CONFIG_FILE" "php_value[upload_max_filesize]" "${ZBX_UPLOADMAXFILESIZE:-"2M"}"
|
|
update_config_var "$PHP_CONFIG_FILE" "php_value[max_input_time]" "${ZBX_MAXINPUTTIME:-"300"}"
|
|
update_config_var "$PHP_CONFIG_FILE" "php_value[date.timezone]" "${PHP_TZ}"
|
|
|
|
ZBX_HISTORYSTORAGETYPES=${ZBX_HISTORYSTORAGETYPES:-"[]"}
|
|
|
|
# Escaping characters in parameter value
|
|
server_name=$(escape_spec_char "${ZBX_SERVER_NAME}")
|
|
server_user=$(escape_spec_char "${DB_SERVER_ZBX_USER}")
|
|
server_pass=$(escape_spec_char "${DB_SERVER_ZBX_PASS}")
|
|
history_storage_url=$(escape_spec_char "${ZBX_HISTORYSTORAGEURL}")
|
|
history_storage_types=$(escape_spec_char "${ZBX_HISTORYSTORAGETYPES}")
|
|
|
|
ZBX_DB_KEY_FILE=$(escape_spec_char "${ZBX_DB_KEY_FILE}")
|
|
ZBX_DB_CERT_FILE=$(escape_spec_char "${ZBX_DB_CERT_FILE}")
|
|
ZBX_DB_CA_FILE=$(escape_spec_char "${ZBX_DB_CA_FILE}")
|
|
|
|
sed -i \
|
|
-e "s/{DB_SERVER_HOST}/${DB_SERVER_HOST}/g" \
|
|
-e "s/{DB_SERVER_PORT}/${DB_SERVER_PORT}/g" \
|
|
-e "s/{DB_SERVER_DBNAME}/${DB_SERVER_DBNAME}/g" \
|
|
-e "s/{DB_SERVER_SCHEMA}/${DB_SERVER_SCHEMA}/g" \
|
|
-e "s/{DB_SERVER_USER}/$server_user/g" \
|
|
-e "s/{DB_SERVER_PASS}/$server_pass/g" \
|
|
-e "s/{ZBX_SERVER_HOST}/${ZBX_SERVER_HOST}/g" \
|
|
-e "s/{ZBX_SERVER_PORT}/${ZBX_SERVER_PORT}/g" \
|
|
-e "s/{ZBX_SERVER_NAME}/$server_name/g" \
|
|
-e "s/{ZBX_DB_ENCRYPTION}/${ZBX_DB_ENCRYPTION:-"false"}/g" \
|
|
-e "s/{ZBX_DB_KEY_FILE}/${ZBX_DB_KEY_FILE}/g" \
|
|
-e "s/{ZBX_DB_CERT_FILE}/${ZBX_DB_CERT_FILE}/g" \
|
|
-e "s/{ZBX_DB_CA_FILE}/${ZBX_DB_CA_FILE}/g" \
|
|
-e "s/{ZBX_DB_VERIFY_HOST}/${ZBX_DB_VERIFY_HOST:-"false"}/g" \
|
|
-e "s/{ZBX_DB_CIPHER_LIST}/${ZBX_DB_CIPHER_LIST}/g" \
|
|
-e "s/{ZBX_HISTORYSTORAGEURL}/$history_storage_url/g" \
|
|
-e "s/{ZBX_HISTORYSTORAGETYPES}/$history_storage_types/g" \
|
|
"$ZBX_WEB_CONFIG"
|
|
|
|
if [ -n "${ZBX_SESSION_NAME}" ]; then
|
|
cp "$ZBX_WWW_ROOT/include/defines.inc.php" "/tmp/defines.inc.php_tmp"
|
|
sed "/ZBX_SESSION_NAME/s/'[^']*'/'${ZBX_SESSION_NAME}'/2" "/tmp/defines.inc.php_tmp" > "$ZBX_WWW_ROOT/include/defines.inc.php"
|
|
rm -f "/tmp/defines.inc.php_tmp"
|
|
fi
|
|
}
|
|
|
|
#################################################
|
|
|
|
echo "** Deploying Zabbix web-interface (Nginx) with MySQL database"
|
|
|
|
check_variables
|
|
check_db_connect
|
|
prepare_web_server
|
|
prepare_zbx_web_config
|
|
|
|
echo "########################################################"
|
|
|
|
if [ "$1" != "" ]; then
|
|
echo "** Executing '$@'"
|
|
exec "$@"
|
|
elif [ -f "/usr/bin/supervisord" ]; then
|
|
echo "** Executing supervisord"
|
|
exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf
|
|
else
|
|
echo "Unknown instructions. Exiting..."
|
|
exit 1
|
|
fi
|
|
|
|
#################################################
|