mirror of
https://github.com/librenms/docker.git
synced 2026-01-23 02:14:48 +00:00
259 lines
8.7 KiB
Bash
259 lines
8.7 KiB
Bash
#!/usr/bin/with-contenv bash
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# shellcheck shell=bash
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set -e
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# From https://github.com/docker-library/mariadb/blob/master/docker-entrypoint.sh#L21-L41
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# usage: file_env VAR [DEFAULT]
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# ie: file_env 'XYZ_DB_PASSWORD' 'example'
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# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
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# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
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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 def="${2:-}"
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if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
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echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
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exit 1
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fi
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local val="$def"
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if [ "${!var:-}" ]; then
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val="${!var}"
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elif [ "${!fileVar:-}" ]; then
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val="$(<"${!fileVar}")"
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fi
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export "$var"="$val"
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unset "$fileVar"
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}
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TZ=${TZ:-UTC}
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MEMORY_LIMIT=${MEMORY_LIMIT:-256M}
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UPLOAD_MAX_SIZE=${UPLOAD_MAX_SIZE:-16M}
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CLEAR_ENV=${CLEAR_ENV:-yes}
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FPM_PM_MAX_CHILDREN=${FPM_PM_MAX_CHILDREN:-15}
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FPM_PM_START_SERVERS=${FPM_PM_START_SERVERS:-2}
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FPM_PM_MIN_SPARE_SERVERS=${FPM_PM_MIN_SPARE_SERVERS:-1}
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FPM_PM_MAX_SPARE_SERVERS=${FPM_PM_MAX_SPARE_SERVERS:-6}
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OPCACHE_MEM_SIZE=${OPCACHE_MEM_SIZE:-128}
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LISTEN_IPV6=${LISTEN_IPV6:-true}
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REAL_IP_FROM=${REAL_IP_FROM:-"0.0.0.0/32"}
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REAL_IP_HEADER=${REAL_IP_HEADER:-"X-Forwarded-For"}
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LOG_IP_VAR=${LOG_IP_VAR:-remote_addr}
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MAX_INPUT_VARS=${MAX_INPUT_VARS:-1000}
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MEMCACHED_PORT=${MEMCACHED_PORT:-11211}
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DB_PORT=${DB_PORT:-3306}
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DB_NAME=${DB_NAME:-librenms}
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DB_USER=${DB_USER:-librenms}
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DB_TIMEOUT=${DB_TIMEOUT:-30}
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LIBRENMS_BASE_URL=${LIBRENMS_BASE_URL:-/}
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# Timezone
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echo "Setting timezone to ${TZ}..."
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ln -snf /usr/share/zoneinfo/${TZ} /etc/localtime
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echo ${TZ} >/etc/timezone
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# PHP
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echo "Setting PHP-FPM configuration..."
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sed -e "s/@MEMORY_LIMIT@/$MEMORY_LIMIT/g" \
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-e "s/@UPLOAD_MAX_SIZE@/$UPLOAD_MAX_SIZE/g" \
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-e "s/@CLEAR_ENV@/$CLEAR_ENV/g" \
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-e "s/@FPM_PM_MAX_CHILDREN@/$FPM_PM_MAX_CHILDREN/g" \
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-e "s/@FPM_PM_START_SERVERS@/$FPM_PM_START_SERVERS/g" \
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-e "s/@FPM_PM_MIN_SPARE_SERVERS@/$FPM_PM_MIN_SPARE_SERVERS/g" \
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-e "s/@FPM_PM_MAX_SPARE_SERVERS@/$FPM_PM_MAX_SPARE_SERVERS/g" \
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/tpls/etc/php83/php-fpm.d/www.conf >/etc/php83/php-fpm.d/www.conf
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echo "Setting PHP INI configuration..."
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sed -i "s|memory_limit.*|memory_limit = ${MEMORY_LIMIT}|g" /etc/php83/php.ini
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sed -i "s|;date\.timezone.*|date\.timezone = ${TZ}|g" /etc/php83/php.ini
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sed -i "s|;max_input_vars.*|max_input_vars = ${MAX_INPUT_VARS}|g" /etc/php83/php.ini
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# OpCache
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echo "Setting OpCache configuration..."
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sed -e "s/@OPCACHE_MEM_SIZE@/$OPCACHE_MEM_SIZE/g" \
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/tpls/etc/php83/conf.d/opcache.ini >/etc/php83/conf.d/opcache.ini
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# Nginx
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echo "Setting Nginx configuration..."
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sed -e "s#@UPLOAD_MAX_SIZE@#$UPLOAD_MAX_SIZE#g" \
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-e "s#@REAL_IP_FROM@#$REAL_IP_FROM#g" \
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-e "s#@REAL_IP_HEADER@#$REAL_IP_HEADER#g" \
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-e "s#@LOG_IP_VAR@#$LOG_IP_VAR#g" \
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/tpls/etc/nginx/nginx.conf >/etc/nginx/nginx.conf
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if [ "$LISTEN_IPV6" != "true" ]; then
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sed -e '/listen \[::\]:/d' -i /etc/nginx/nginx.conf
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fi
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# SNMP
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echo "Updating SNMP community..."
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file_env 'LIBRENMS_SNMP_COMMUNITY' 'librenmsdocker'
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sed -i -e "s/RANDOMSTRINGGOESHERE/${LIBRENMS_SNMP_COMMUNITY}/" /etc/snmp/snmpd.conf
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# Init files and folders
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echo "Initializing LibreNMS files / folders..."
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mkdir -p /data/config /data/logs /data/monitoring-plugins /data/plugins /data/rrd /data/weathermap /data/alert-templates
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if [ -d "${LIBRENMS_PATH}/html/plugins/Weathermap" ]; then
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if [ -d "${LIBRENMS_PATH}/html/plugins/Weathermap/configs" ] && [ ! -L "${LIBRENMS_PATH}/html/plugins/Weathermap/configs" ]; then
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rm -rf ${LIBRENMS_PATH}/html/plugins/Weathermap/configs
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fi
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if [ ! -L "${LIBRENMS_PATH}/html/plugins/Weathermap/configs" ]; then
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ln -sf /data/weathermap ${LIBRENMS_PATH}/html/plugins/Weathermap/configs
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fi
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chown -h librenms:librenms ${LIBRENMS_PATH}/html/plugins/Weathermap/configs
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chown -R librenms:librenms /data/weathermap ${LIBRENMS_PATH}/html/plugins/Weathermap/output
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fi
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# cleanup bad symlink: https://github.com/librenms/docker/issues/294#issuecomment-1190389960
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if [ -L "/data/weathermap/weathermap" ]; then
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rm /data/weathermap/weathermap
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fi
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touch /data/logs/librenms.log
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rm -rf ${LIBRENMS_PATH}/logs
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rm -f ${LIBRENMS_PATH}/config.d/*
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mkdir -p /etc/logrotate.d
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touch /etc/logrotate.d/librenms
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echo "Setting LibreNMS configuration..."
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# Env file
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if [ -z "$DB_HOST" ]; then
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echo >&2 "ERROR: DB_HOST must be defined"
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exit 1
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fi
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file_env 'DB_PASSWORD'
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if [ -z "$DB_PASSWORD" ]; then
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echo >&2 "ERROR: Either DB_PASSWORD or DB_PASSWORD_FILE must be defined"
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exit 1
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fi
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cat >${LIBRENMS_PATH}/.env <<EOL
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APP_URL=${LIBRENMS_BASE_URL}
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DB_HOST=${DB_HOST}
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DB_PORT=${DB_PORT}
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DB_DATABASE=${DB_NAME}
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DB_USERNAME=${DB_USER}
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DB_PASSWORD="${DB_PASSWORD}"
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EOL
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# Config : Directories
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cat >${LIBRENMS_PATH}/database/seeders/config/directories.yaml <<EOL
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install_dir: '${LIBRENMS_PATH}'
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log_dir: /data/logs
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rrd_dir: /data/rrd
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EOL
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ln -sf /data/logs ${LIBRENMS_PATH}/logs
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# Config : Server
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cat >${LIBRENMS_PATH}/database/seeders/config/server.yaml <<EOL
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own_hostname: '$(hostname)'
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base_url: '${LIBRENMS_BASE_URL}'
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EOL
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# Config : User
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cat >${LIBRENMS_PATH}/database/seeders/config/user.yaml <<EOL
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user: librenms
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group: librenms
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EOL
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# Config : Fping
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cat >${LIBRENMS_PATH}/database/seeders/config/fping.yaml <<EOL
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fping: /usr/sbin/fping
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fping6: /usr/sbin/fping6
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EOL
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# Config : ipmitool
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cat >${LIBRENMS_PATH}/database/seeders/config/ipmitool.yaml <<EOL
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ipmitool: /usr/sbin/ipmitool
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EOL
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# Config : Disable autoupdate (set in config.php so it cannot be overridden in the webui)
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cat >${LIBRENMS_PATH}/config.d/autoupdate.php <<EOL
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<?php
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\$config['update'] = 0;
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EOL
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# Config : Services
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cat >${LIBRENMS_PATH}/database/seeders/config/services.yaml <<EOL
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show_services: true
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nagios_plugins: /usr/lib/monitoring-plugins
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EOL
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# Config : RRDCached, apply RRDCACHED_SERVER as php as it would be expected to change with the variable
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if [ -n "${RRDCACHED_SERVER}" ]; then
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cat >${LIBRENMS_PATH}/config.d/rrdcached.php <<EOL
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<?php
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\$config['rrdcached'] = "${RRDCACHED_SERVER}";
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EOL
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fi
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cat >${LIBRENMS_PATH}/database/seeders/config/rrdtool.yaml <<EOL
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rrdtool_version: "1.7.2"
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EOL
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# Config : Dispatcher
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cat >${LIBRENMS_PATH}/database/seeders/config/dispatcher.yaml <<EOL
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service_update_enabled: false
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service_watchdog_enabled: false
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EOL
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# Check plugins
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echo "Checking LibreNMS plugins..."
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plugins=$(ls -l /data/plugins | egrep '^d' | awk '{print $9}')
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for plugin in ${plugins}; do
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if [ "${plugin}" == "Weathermap" ]; then
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echo " WARNING: Plugin Weathermap cannot be overriden. Skipping..."
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continue
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fi
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echo " Linking plugin ${plugin}..."
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if [ -d "${LIBRENMS_PATH}/html/plugins/${plugin}" ]; then
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rm -rf "${LIBRENMS_PATH}/html/plugins/${plugin}"
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fi
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ln -sf "/data/plugins/${plugin}" "${LIBRENMS_PATH}/html/plugins/${plugin}"
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chown -h librenms:librenms "${LIBRENMS_PATH}/html/plugins/${plugin}"
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done
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# Fix perms
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echo "Fixing perms..."
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chown librenms:librenms /data/config /data/monitoring-plugins /data/plugins /data/rrd /data/weathermap /data/alert-templates
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chown -R librenms:librenms /data/logs ${LIBRENMS_PATH}/composer* ${LIBRENMS_PATH}/config.d ${LIBRENMS_PATH}/bootstrap ${LIBRENMS_PATH}/logs ${LIBRENMS_PATH}/storage ${LIBRENMS_PATH}/vendor
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chmod ug+rw /data/logs /data/rrd ${LIBRENMS_PATH}/bootstrap/cache ${LIBRENMS_PATH}/storage ${LIBRENMS_PATH}/storage/framework/*
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# Check additional Monitoring plugins
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echo "Checking additional Monitoring plugins..."
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mon_plugins=$(ls -l /data/monitoring-plugins | egrep '^-' | awk '{print $9}')
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for mon_plugin in ${mon_plugins}; do
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if [ -f "/usr/lib/monitoring-plugins/${mon_plugin}" ]; then
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echo " WARNING: Official Monitoring plugin ${mon_plugin} cannot be overriden. Skipping..."
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continue
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fi
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if [[ ${mon_plugin} != check_* ]]; then
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echo " WARNING: Monitoring plugin filename ${mon_plugin} invalid. It must start with 'check_'. Skipping..."
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continue
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fi
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if [[ ! -x "/data/monitoring-plugins/${mon_plugin}" ]]; then
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echo " WARNING: Monitoring plugin file ${mon_plugin} has to be executable. Skipping..."
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continue
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fi
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echo " Adding ${mon_plugin} Monitoring plugin"
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ln -sf /data/monitoring-plugins/${mon_plugin} /usr/lib/monitoring-plugins/${mon_plugin}
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done
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# Check alert templates
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echo "Checking alert templates..."
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templates=$(ls -l /data/alert-templates | egrep '^-' | awk '{print $9}')
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for template in ${templates}; do
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if [ -f "${LIBRENMS_PATH}/resources/views/alerts/templates/${template}" ]; then
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echo " WARNING: Default alert template ${template} cannot be overriden. Skipping..."
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continue
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fi
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if [[ ${template} != *.php ]]; then
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echo " WARNING: Alert template filename ${template} invalid. It must end with '.php'. Skipping..."
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continue
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fi
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echo " Adding ${template} alert template"
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ln -sf /data/alert-templates/${template} ${LIBRENMS_PATH}/resources/views/alerts/templates/${template}
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done
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