mirror of
https://github.com/zabbix/zabbix-docker.git
synced 2024-12-12 17:41:11 +01:00
283 lines
9.0 KiB
Bash
Executable File
283 lines
9.0 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 host
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: ${ZBX_SERVER_HOST:="zabbix-server"}
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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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: ${PHP_TZ:="Europe/Riga"}
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# Default directories
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# Configuration files directory
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ZABBIX_ETC_DIR="/etc/zabbix"
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# Web interface www-root directory
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ZABBIX_WWW_ROOT="/usr/share/zabbix"
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# Nginx main configuration file
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NGINX_CONF_FILE="/etc/nginx/nginx.conf"
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# usage: file_env VAR [DEFAULT]
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# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
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# (will allow for "$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 PostgreSQL database
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check_variables() {
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file_env POSTGRES_USER
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file_env POSTGRES_PASSWORD
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: ${DB_SERVER_HOST:="postgres-server"}
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: ${DB_SERVER_PORT:="5432"}
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DB_SERVER_ZBX_USER=${POSTGRES_USER:-"zabbix"}
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DB_SERVER_ZBX_PASS=${POSTGRES_PASSWORD:-"zabbix"}
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: ${DB_SERVER_SCHEMA:="public"}
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DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
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: ${POSTGRES_USE_IMPLICIT_SEARCH_PATH:="false"}
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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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echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
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echo "* DB_SERVER_SCHEMA: ${DB_SERVER_SCHEMA}"
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if [ "${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: ${DB_SERVER_ZBX_PASS}"
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fi
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echo "********************"
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if [ -n "${DB_SERVER_ZBX_PASS}" ]; then
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export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
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fi
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WAIT_TIMEOUT=5
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if [ "${POSTGRES_USE_IMPLICIT_SEARCH_PATH,,}" == "false" ] && [ -n "${DB_SERVER_SCHEMA}" ]; then
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PGOPTIONS="--search_path=${DB_SERVER_SCHEMA}"
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export PGOPTIONS
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fi
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if [ -n "${ZBX_DBTLSCONNECT}" ]; then
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PGSSLMODE=${ZBX_DBTLSCONNECT//_/-}
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export PGSSLMODE=${PGSSLMODE//required/require}
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export PGSSLROOTCERT=${ZBX_DBTLSCAFILE}
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export PGSSLCERT=${ZBX_DBTLSCERTFILE}
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export PGSSLKEY=${ZBX_DBTLSKEYFILE}
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fi
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while [ ! "$(psql --host ${DB_SERVER_HOST} --port ${DB_SERVER_PORT} --username ${DB_SERVER_ZBX_USER} --dbname ${DB_SERVER_DBNAME} --list --quiet 2>/dev/null)" ]; do
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echo "**** PostgreSQL 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 PGPASSWORD
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unset PGOPTIONS
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unset PGSSLMODE
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unset PGSSLROOTCERT
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unset PGSSLCERT
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unset PGSSLKEY
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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/7.4/fpm/pool.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 [ "$(id -u)" == '0' ]; then
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echo "user = zabbix" >> "$PHP_CONFIG_FILE"
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echo "group = zabbix" >> "$PHP_CONFIG_FILE"
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echo "listen.owner = nginx" >> "$PHP_CONFIG_FILE"
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echo "listen.group = nginx" >> "$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="POSTGRESQL"
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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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: ${DB_DOUBLE_IEEE754:="true"}
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export DB_DOUBLE_IEEE754=${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=${ZBX_SSO_SETTINGS:-""}
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if [ -n "${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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"$NGINX_CONF_FILE"
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sed -ri \
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-e 's!^(\s*access_log).+\;!\1 off\;!g' \
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"$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_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 PostgreSQL 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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