mirror of
https://github.com/zabbix/zabbix-docker.git
synced 2024-12-15 02:50:58 +01:00
312 lines
9.7 KiB
Bash
Executable File
312 lines
9.7 KiB
Bash
Executable File
#!/bin/bash
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set -o pipefail
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set +e
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# Script trace mode
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if [ "${DEBUG_MODE,,}" == "true" ]; then
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set -o xtrace
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fi
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# Default Zabbix installation name
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# Used only by Zabbix web-interface
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: ${ZBX_SERVER_NAME:="Zabbix docker"}
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# Default Zabbix server port number
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: ${ZBX_SERVER_PORT:="10051"}
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# Default timezone for web interface
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: ${PHP_TZ:="Europe/Riga"}
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# Default user
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: ${DAEMON_USER:="nginx"}
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# Default directories
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# Configuration files directory
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ZABBIX_ETC_DIR="/etc/zabbix"
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# Web interface www-root directory
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ZABBIX_WWW_ROOT="/usr/share/zabbix"
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# Nginx main configuration file
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NGINX_CONF_FILE="/etc/nginx/nginx.conf"
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# usage: file_env VAR [DEFAULT]
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# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
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# (will allow for "$MYSQL_PASSWORD_FILE" to fill in the value of "$MYSQL_PASSWORD" from a file)
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# unsets the VAR_FILE afterwards and just leaving VAR
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file_env() {
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local var="$1"
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local fileVar="${var}_FILE"
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local defaultValue="${2:-}"
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if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
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echo "**** Both variables $var and $fileVar are set (but are exclusive)"
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exit 1
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fi
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local val="$defaultValue"
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if [ "${!var:-}" ]; then
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val="${!var}"
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echo "** Using ${var} variable from ENV"
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elif [ "${!fileVar:-}" ]; then
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if [ ! -f "${!fileVar}" ]; then
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echo "**** Secret file \"${!fileVar}\" is not found"
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exit 1
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fi
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val="$(< "${!fileVar}")"
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echo "** Using ${var} variable from secret file"
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fi
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export "$var"="$val"
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unset "$fileVar"
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}
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# Check prerequisites for MySQL database
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check_variables() {
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if [ ! -n "${DB_SERVER_SOCKET}" ]; then
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: ${DB_SERVER_HOST:="mysql-server"}
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else
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DB_SERVER_HOST="localhost"
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fi
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: ${DB_SERVER_PORT:="3306"}
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file_env MYSQL_USER
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file_env MYSQL_PASSWORD
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DB_SERVER_ZBX_USER=${MYSQL_USER:-"zabbix"}
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DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
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DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
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if [ ! -n "${DB_SERVER_SOCKET}" ]; then
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mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
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else
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mysql_connect_args="-S ${DB_SERVER_SOCKET}"
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fi
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}
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db_tls_params() {
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local result=""
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if [ "${ZBX_DB_ENCRYPTION,,}" == "true" ]; then
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result="--ssl-mode=required"
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if [ -n "${ZBX_DB_CA_FILE}" ]; then
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result="${result} --ssl-ca=${ZBX_DB_CA_FILE}"
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fi
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if [ -n "${ZBX_DB_KEY_FILE}" ]; then
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result="${result} --ssl-key=${ZBX_DB_KEY_FILE}"
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fi
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if [ -n "${ZBX_DB_CERT_FILE}" ]; then
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result="${result} --ssl-cert=${ZBX_DB_CERT_FILE}"
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fi
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fi
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echo $result
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}
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check_db_connect() {
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echo "********************"
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echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
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echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
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if [ -n "${DB_SERVER_SOCKET}" ]; then
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echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
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fi
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echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
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if [ "${DEBUG_MODE,,}" == "true" ]; then
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echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
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echo "* DB_SERVER_ZBX_PASS: ${DB_SERVER_ZBX_PASS}"
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fi
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echo "********************"
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WAIT_TIMEOUT=5
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ssl_opts="$(db_tls_params)"
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export MYSQL_PWD="${DB_SERVER_ZBX_PASS}"
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while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ZBX_USER} \
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--silent --connect_timeout=10 $ssl_opts)" ]; do
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echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
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sleep $WAIT_TIMEOUT
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done
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unset MYSQL_PWD
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}
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prepare_web_server() {
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NGINX_CONFD_DIR="/etc/nginx/conf.d"
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NGINX_SSL_CONFIG="/etc/ssl/nginx"
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if [ ! -f "/proc/net/if_inet6" ]; then
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sed -i '/listen \[::\]/d' "$ZABBIX_ETC_DIR/nginx.conf"
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sed -i '/listen \[::\]/d' "$ZABBIX_ETC_DIR/nginx_ssl.conf"
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fi
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echo "** Adding Zabbix virtual host (HTTP)"
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if [ -f "$ZABBIX_ETC_DIR/nginx.conf" ]; then
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ln -sfT "$ZABBIX_ETC_DIR/nginx.conf" "$NGINX_CONFD_DIR/nginx.conf"
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else
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echo "**** Impossible to enable HTTP virtual host"
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fi
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if [ -f "$NGINX_SSL_CONFIG/ssl.crt" ] && [ -f "$NGINX_SSL_CONFIG/ssl.key" ] && [ -f "$NGINX_SSL_CONFIG/dhparam.pem" ]; then
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echo "** Enable SSL support for Nginx"
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if [ -f "$ZABBIX_ETC_DIR/nginx_ssl.conf" ]; then
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ln -sfT "$ZABBIX_ETC_DIR/nginx_ssl.conf" "$NGINX_CONFD_DIR/nginx_ssl.conf"
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else
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echo "**** Impossible to enable HTTPS virtual host"
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fi
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else
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echo "**** Impossible to enable SSL support for Nginx. Certificates are missed."
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fi
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}
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prepare_zbx_web_config() {
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echo "** Preparing Zabbix frontend configuration file"
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PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
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export PHP_FPM_PM=${PHP_FPM_PM:-"dynamic"}
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export PHP_FPM_PM_MAX_CHILDREN=${PHP_FPM_PM_MAX_CHILDREN:-"50"}
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export PHP_FPM_PM_START_SERVERS=${PHP_FPM_PM_START_SERVERS:-"5"}
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export PHP_FPM_PM_MIN_SPARE_SERVERS=${PHP_FPM_PM_MIN_SPARE_SERVERS:-"5"}
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export PHP_FPM_PM_MAX_SPARE_SERVERS=${PHP_FPM_PM_MAX_SPARE_SERVERS:-"35"}
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export PHP_FPM_PM_MAX_REQUESTS=${PHP_FPM_PM_MAX_REQUESTS:-"0"}
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if [ "$(id -u)" == '0' ]; then
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sed -i -e "/^[#;] user/s/.*/&\nuser ${DAEMON_USER};/" "$NGINX_CONF_FILE"
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echo "user = ${DAEMON_USER}" >> "$PHP_CONFIG_FILE"
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echo "group = ${DAEMON_USER}" >> "$PHP_CONFIG_FILE"
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echo "listen.owner = ${DAEMON_USER}" >> "$PHP_CONFIG_FILE"
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echo "listen.group = ${DAEMON_USER}" >> "$PHP_CONFIG_FILE"
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fi
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: ${ZBX_DENY_GUI_ACCESS:="false"}
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export ZBX_DENY_GUI_ACCESS=${ZBX_DENY_GUI_ACCESS,,}
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export ZBX_GUI_ACCESS_IP_RANGE=${ZBX_GUI_ACCESS_IP_RANGE:-"['127.0.0.1']"}
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export ZBX_GUI_WARNING_MSG=${ZBX_GUI_WARNING_MSG:-"Zabbix is under maintenance."}
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export ZBX_MAXEXECUTIONTIME=${ZBX_MAXEXECUTIONTIME:-"600"}
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export ZBX_MEMORYLIMIT=${ZBX_MEMORYLIMIT:-"128M"}
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export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
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export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
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export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
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export PHP_TZ=${PHP_TZ}
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export DB_SERVER_TYPE="MYSQL"
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export DB_SERVER_HOST=${DB_SERVER_HOST}
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export DB_SERVER_PORT=${DB_SERVER_PORT}
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export DB_SERVER_DBNAME=${DB_SERVER_DBNAME}
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export DB_SERVER_SCHEMA=${DB_SERVER_SCHEMA}
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export DB_SERVER_USER=${DB_SERVER_ZBX_USER}
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export DB_SERVER_PASS=${DB_SERVER_ZBX_PASS}
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export ZBX_SERVER_HOST=${ZBX_SERVER_HOST}
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export ZBX_SERVER_PORT=${ZBX_SERVER_PORT}
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export ZBX_SERVER_NAME=${ZBX_SERVER_NAME}
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: ${ZBX_DB_ENCRYPTION:="false"}
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export ZBX_DB_ENCRYPTION=${ZBX_DB_ENCRYPTION,,}
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export ZBX_DB_KEY_FILE=${ZBX_DB_KEY_FILE}
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export ZBX_DB_CERT_FILE=${ZBX_DB_CERT_FILE}
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export ZBX_DB_CA_FILE=${ZBX_DB_CA_FILE}
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: ${ZBX_DB_VERIFY_HOST:="false"}
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export ZBX_DB_VERIFY_HOST=${ZBX_DB_VERIFY_HOST,,}
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export ZBX_VAULT=${ZBX_VAULT}
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export ZBX_VAULTURL=${ZBX_VAULTURL}
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export ZBX_VAULTDBPATH=${ZBX_VAULTDBPATH}
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export VAULT_TOKEN=${VAULT_TOKEN}
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export ZBX_VAULTCERTFILE=${ZBX_VAULTCERTFILE}
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export ZBX_VAULTKEYFILE=${ZBX_VAULTKEYFILE}
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: ${DB_DOUBLE_IEEE754:="true"}
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export DB_DOUBLE_IEEE754=${DB_DOUBLE_IEEE754,,}
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export ZBX_HISTORYSTORAGEURL=${ZBX_HISTORYSTORAGEURL}
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export ZBX_HISTORYSTORAGETYPES=${ZBX_HISTORYSTORAGETYPES:-"[]"}
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export ZBX_SSO_SETTINGS=${ZBX_SSO_SETTINGS:-""}
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export ZBX_SSO_SP_KEY=${ZBX_SSO_SP_KEY}
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export ZBX_SSO_SP_CERT=${ZBX_SSO_SP_CERT}
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export ZBX_SSO_IDP_CERT=${ZBX_SSO_IDP_CERT}
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: ${ZBX_ALLOW_HTTP_AUTH:="true"}
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export ZBX_ALLOW_HTTP_AUTH=${ZBX_ALLOW_HTTP_AUTH}
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if [ -n "${ZBX_SESSION_NAME}" ]; then
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cp "$ZABBIX_WWW_ROOT/include/defines.inc.php" "/tmp/defines.inc.php_tmp"
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sed "/ZBX_SESSION_NAME/s/'[^']*'/'${ZBX_SESSION_NAME}'/2" "/tmp/defines.inc.php_tmp" > "$ZABBIX_WWW_ROOT/include/defines.inc.php"
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rm -f "/tmp/defines.inc.php_tmp"
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fi
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FCGI_READ_TIMEOUT=$(expr ${ZBX_MAXEXECUTIONTIME} + 1)
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sed -i \
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-e "s/{FCGI_READ_TIMEOUT}/${FCGI_READ_TIMEOUT}/g" \
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"$ZABBIX_ETC_DIR/nginx.conf"
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: ${HTTP_INDEX_FILE:="index.php"}
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sed -i \
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-e "s/{HTTP_INDEX_FILE}/${HTTP_INDEX_FILE}/g" \
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"$ZABBIX_ETC_DIR/nginx.conf"
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if [ -f "$ZABBIX_ETC_DIR/nginx_ssl.conf" ]; then
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sed -i \
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-e "s/{FCGI_READ_TIMEOUT}/${FCGI_READ_TIMEOUT}/g" \
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"$ZABBIX_ETC_DIR/nginx_ssl.conf"
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sed -i \
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-e "s/{HTTP_INDEX_FILE}/${HTTP_INDEX_FILE}/g" \
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"$ZABBIX_ETC_DIR/nginx_ssl.conf"
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fi
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: ${ENABLE_WEB_ACCESS_LOG:="true"}
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if [ "${ENABLE_WEB_ACCESS_LOG,,}" == "false" ]; then
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sed -ri \
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-e 's!^(\s*access_log).+\;!\1 off\;!g' \
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"$NGINX_CONF_FILE"
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sed -ri \
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-e 's!^(\s*access_log).+\;!\1 off\;!g' \
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"$ZABBIX_ETC_DIR/nginx.conf"
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sed -ri \
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-e 's!^(\s*access_log).+\;!\1 off\;!g' \
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"$ZABBIX_ETC_DIR/nginx_ssl.conf"
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fi
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: ${EXPOSE_WEB_SERVER_INFO:="on"}
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[[ "${EXPOSE_WEB_SERVER_INFO}" != "off" ]] && EXPOSE_WEB_SERVER_INFO="on"
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export EXPOSE_WEB_SERVER_INFO=${EXPOSE_WEB_SERVER_INFO}
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sed -i \
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-e "s/{EXPOSE_WEB_SERVER_INFO}/${EXPOSE_WEB_SERVER_INFO}/g" \
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"$NGINX_CONF_FILE"
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}
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#################################################
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echo "** Deploying Zabbix web-interface (Nginx) with MySQL database"
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check_variables
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check_db_connect
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prepare_web_server
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prepare_zbx_web_config
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echo "########################################################"
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if [ "$1" != "" ]; then
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echo "** Executing '$@'"
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exec "$@"
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elif [ -f "/usr/bin/supervisord" ]; then
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echo "** Executing supervisord"
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exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf
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else
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echo "Unknown instructions. Exiting..."
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exit 1
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fi
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#################################################
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