zabbix-docker/zabbix-appliance/rhel/docker-entrypoint.sh
2020-08-27 14:05:12 -04:00

676 lines
24 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:="Zabbix docker"}
# Default timezone for web interface
: ${PHP_TZ:="Europe/Riga"}
# Default MySQL instance location
: ${DB_SERVER_HOST:="localhost"}
: ${DB_SERVER_PORT:="3306"}
# Default directories
# User 'zabbix' home directory
ZABBIX_USER_HOME_DIR="/var/lib/zabbix"
# Configuration files directory
ZABBIX_ETC_DIR="/etc/zabbix"
# Web interface www-root directory
ZBX_FRONTEND_PATH="/usr/share/zabbix"
# usage: file_env VAR [DEFAULT]
# as example: file_env 'MYSQL_PASSWORD' 'zabbix'
# (will allow for "$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=$4
local masklist=("DBPassword TLSPSKIdentity")
if [ ! -f "$config_path" ]; then
echo "**** Configuration file '$config_path' does not exist"
return
fi
if [[ " ${masklist[@]} " =~ " $var_name " ]] && [ ! -z "$var_value" ]; then
echo -n "** Updating '$config_path' parameter \"$var_name\": '****'. Enable DEBUG_MODE to view value ..."
else
echo -n "** Updating '$config_path' parameter \"$var_name\": '$var_value'..."
fi
# Remove configuration parameter definition in case of unset parameter value
if [ -z "$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
# Use full path to a file for TLS related configuration parameters
if [[ $var_name =~ ^TLS.*File$ ]]; then
var_value=$ZABBIX_USER_HOME_DIR/enc/$var_value
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 $value true
done
}
configure_db_mysql() {
[ "${DB_SERVER_HOST}" != "localhost" ] && return
echo "** Configuring local MySQL server"
if [ -n "${ZBX_DBTLSCONNECT}" ]; then
echo "**** Encryption with local MySQL instance is not supported"
unset ZBX_DBTLSCONNECT
fi
MYSQL_ALLOW_EMPTY_PASSWORD=true
MYSQL_DATA_DIR="/var/lib/mysql"
MYSQL_CONF_FILE="/etc/my.cnf.d/mariadb-server.cnf"
DB_SERVER_SOCKET="/var/lib/mysql/mysql.sock"
MYSQLD=/usr/libexec/mysqld
if [ "$(id -u)" == '0' ]; then
mysql_user="--user=zabbix"
fi
sed -Ei 's/^(bind-address|log)/#&/' "$MYSQL_CONF_FILE"
if [ ! -d "$MYSQL_DATA_DIR/mysql" ]; then
[ -d "$MYSQL_DATA_DIR" ] || mkdir -p "$MYSQL_DATA_DIR"
echo "** Installing initial MySQL database schemas"
mysql_install_db $mysql_user --datadir="$MYSQL_DATA_DIR" 1>/dev/null
else
echo "**** MySQL data directory is not empty. Using already existing installation."
fi
echo "** Starting MySQL server in background mode"
nohup $MYSQLD --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin \
--log-output=none --pid-file=/var/lib/mysql/mysqld.pid \
--port=3306 --character-set-server=utf8 --collation-server=utf8_bin $mysql_user &
}
prepare_system() {
echo "** Preparing the system"
configure_db_mysql
}
# Check prerequisites for MySQL database
check_variables_mysql() {
USE_DB_ROOT_USER=false
CREATE_ZBX_DB_USER=false
file_env MYSQL_USER
file_env MYSQL_PASSWORD
file_env MYSQL_ROOT_PASSWORD
if [ ! -n "${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"}
}
db_tls_params() {
local result=""
if [ -n "${ZBX_DBTLSCONNECT}" ]; then
result="--ssl"
if [ "${ZBX_DBTLSCONNECT}" != "required" ]; then
result="${result} --ssl-verify-server-cert"
fi
if [ -n "${ZBX_DBTLSCAFILE}" ]; then
result="${result} --ssl-ca=${ZBX_DBTLSCAFILE}"
fi
if [ -n "${ZBX_DBTLSKEYFILE}" ]; then
result="${result} --ssl-key=${ZBX_DBTLSKEYFILE}"
fi
if [ -n "${ZBX_DBTLSCERTFILE}" ]; then
result="${result} --ssl-cert=${ZBX_DBTLSCERTFILE}"
fi
fi
echo $result
}
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: ${DB_SERVER_ZBX_PASS}"
fi
echo "********************"
WAIT_TIMEOUT=5
ssl_opts="$(db_tls_params)"
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
}
mysql_query() {
query=$1
local result=""
ssl_opts="$(db_tls_params)"
result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
-u ${DB_SERVER_ROOT_USER} --password="${DB_SERVER_ROOT_PASS}" -e "$query" $ssl_opts)
echo $result
}
create_db_user_mysql() {
[ "${CREATE_ZBX_DB_USER}" == "true" ] || return
echo "** Creating '${DB_SERVER_ZBX_USER}' user in MySQL database"
USER_EXISTS=$(mysql_query "SELECT 1 FROM mysql.user WHERE user = '${DB_SERVER_ZBX_USER}' AND host = '%'")
if [ -z "$USER_EXISTS" ]; then
mysql_query "CREATE USER '${DB_SERVER_ZBX_USER}'@'%' IDENTIFIED BY '${DB_SERVER_ZBX_PASS}'" 1>/dev/null
else
mysql_query "ALTER USER ${DB_SERVER_ZBX_USER} IDENTIFIED BY '${DB_SERVER_ZBX_PASS}';" 1>/dev/null
fi
mysql_query "GRANT ALL PRIVILEGES ON $DB_SERVER_DBNAME. * TO '${DB_SERVER_ZBX_USER}'@'%'" 1>/dev/null
}
create_db_database_mysql() {
DB_EXISTS=$(mysql_query "SELECT SCHEMA_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME='${DB_SERVER_DBNAME}'")
if [ -z ${DB_EXISTS} ]; then
echo "** Database '${DB_SERVER_DBNAME}' does not exist. Creating..."
mysql_query "CREATE DATABASE ${DB_SERVER_DBNAME} CHARACTER SET utf8 COLLATE utf8_bin" 1>/dev/null
# better solution?
mysql_query "GRANT ALL PRIVILEGES ON $DB_SERVER_DBNAME. * TO '${DB_SERVER_ZBX_USER}'@'%'" 1>/dev/null
else
echo "** Database '${DB_SERVER_DBNAME}' already exists. Please be careful with database COLLATE!"
fi
}
create_db_schema_mysql() {
DBVERSION_TABLE_EXISTS=$(mysql_query "SELECT 1 FROM information_schema.tables WHERE table_schema='${DB_SERVER_DBNAME}' and table_name = 'dbversion'")
if [ -n "${DBVERSION_TABLE_EXISTS}" ]; then
echo "** Table '${DB_SERVER_DBNAME}.dbversion' already exists."
ZBX_DB_VERSION=$(mysql_query "SELECT mandatory FROM ${DB_SERVER_DBNAME}.dbversion")
fi
if [ -z "${ZBX_DB_VERSION}" ]; then
echo "** Creating '${DB_SERVER_DBNAME}' schema in MySQL"
ssl_opts="$(db_tls_params)"
zcat /usr/share/doc/zabbix-server-mysql/create.sql.gz | mysql --silent --skip-column-names \
-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
-u ${DB_SERVER_ROOT_USER} --password="${DB_SERVER_ROOT_PASS}" $ssl_opts \
${DB_SERVER_DBNAME} 1>/dev/null
fi
}
prepare_web_server() {
NGINX_CONFD_DIR="/etc/nginx/conf.d"
NGINX_SSL_CONFIG="/etc/ssl/nginx"
echo "** Disable default vhosts"
rm -f $NGINX_CONFD_DIR/*.conf
echo "** Adding Zabbix virtual host (HTTP)"
if [ -f "$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
}
stop_databases() {
if [ "${DB_SERVER_HOST}" == "localhost" ]; then
echo "** Stopping MySQL instance after initial configuration"
mysql_query "DELETE FROM mysql.user WHERE host = 'localhost' AND user != 'root'" 1>/dev/null
kill -TERM $(cat /var/lib/mysql/mysqld.pid)
else
rm -f /etc/supervisor/conf.d/supervisord_mysql.conf
fi
}
clear_deploy() {
echo "** Cleaning the system"
stop_databases
}
update_zbx_config() {
echo "** Preparing Zabbix server configuration file"
ZBX_CONFIG=$ZABBIX_ETC_DIR/zabbix_server.conf
update_config_var $ZBX_CONFIG "SourceIP" "${ZBX_SOURCEIP}"
update_config_var $ZBX_CONFIG "LogType" "console"
update_config_var $ZBX_CONFIG "LogFile"
update_config_var $ZBX_CONFIG "LogFileSize"
update_config_var $ZBX_CONFIG "PidFile"
update_config_var $ZBX_CONFIG "DebugLevel" "${ZBX_DEBUGLEVEL}"
if [ -n "${ZBX_DBTLSCONNECT}" ]; then
update_config_var $ZBX_CONFIG "DBTLSConnect" "${ZBX_DBTLSCONNECT}"
update_config_var $ZBX_CONFIG "DBTLSCAFile" "${ZBX_DBTLSCAFILE}"
update_config_var $ZBX_CONFIG "DBTLSCertFile" "${ZBX_DBTLSCERTFILE}"
update_config_var $ZBX_CONFIG "DBTLSKeyFile" "${ZBX_DBTLSKEYFILE}"
update_config_var $ZBX_CONFIG "DBTLSCipher" "${ZBX_DBTLSCIPHER}"
update_config_var $ZBX_CONFIG "DBTLSCipher13" "${ZBX_DBTLSCIPHER13}"
fi
update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
update_config_var $ZBX_CONFIG "HistoryStorageURL" "${ZBX_HISTORYSTORAGEURL}"
update_config_var $ZBX_CONFIG "HistoryStorageTypes" "${ZBX_HISTORYSTORAGETYPES}"
update_config_var $ZBX_CONFIG "HistoryStorageDateIndex" "${ZBX_HISTORYSTORAGEDATEINDEX}"
update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
update_config_var $ZBX_CONFIG "StatsAllowedIP" "${ZBX_STATSALLOWEDIP}"
update_config_var $ZBX_CONFIG "StartPollers" "${ZBX_STARTPOLLERS}"
update_config_var $ZBX_CONFIG "StartIPMIPollers" "${ZBX_IPMIPOLLERS}"
update_config_var $ZBX_CONFIG "StartPollersUnreachable" "${ZBX_STARTPOLLERSUNREACHABLE}"
update_config_var $ZBX_CONFIG "StartTrappers" "${ZBX_STARTTRAPPERS}"
update_config_var $ZBX_CONFIG "StartPingers" "${ZBX_STARTPINGERS}"
update_config_var $ZBX_CONFIG "StartDiscoverers" "${ZBX_STARTDISCOVERERS}"
update_config_var $ZBX_CONFIG "StartHTTPPollers" "${ZBX_STARTHTTPPOLLERS}"
update_config_var $ZBX_CONFIG "StartPreprocessors" "${ZBX_STARTPREPROCESSORS}"
update_config_var $ZBX_CONFIG "StartTimers" "${ZBX_STARTTIMERS}"
update_config_var $ZBX_CONFIG "StartEscalators" "${ZBX_STARTESCALATORS}"
update_config_var $ZBX_CONFIG "StartAlerters" "${ZBX_STARTALERTERS}"
update_config_var $ZBX_CONFIG "StartTimers" "${ZBX_STARTTIMERS}"
update_config_var $ZBX_CONFIG "StartEscalators" "${ZBX_STARTESCALATORS}"
update_config_var $ZBX_CONFIG "StartLLDProcessors" "${ZBX_STARTLLDPROCESSORS}"
update_config_var $ZBX_CONFIG "JavaGateway" "localhost"
update_config_var $ZBX_CONFIG "JavaGatewayPort" "10052"
update_config_var $ZBX_CONFIG "StartJavaPollers" "${ZBX_STARTJAVAPOLLERS:-"5"}"
update_config_var $ZBX_CONFIG "StartVMwareCollectors" "${ZBX_STARTVMWARECOLLECTORS}"
update_config_var $ZBX_CONFIG "VMwareFrequency" "${ZBX_VMWAREFREQUENCY}"
update_config_var $ZBX_CONFIG "VMwarePerfFrequency" "${ZBX_VMWAREPERFFREQUENCY}"
update_config_var $ZBX_CONFIG "VMwareCacheSize" "${ZBX_VMWARECACHESIZE}"
update_config_var $ZBX_CONFIG "VMwareTimeout" "${ZBX_VMWARETIMEOUT}"
: ${ZBX_ENABLE_SNMP_TRAPS:="false"}
if [ "${ZBX_ENABLE_SNMP_TRAPS}" == "true" ]; then
update_config_var $ZBX_CONFIG "SNMPTrapperFile" "${ZABBIX_USER_HOME_DIR}/snmptraps/snmptraps.log"
update_config_var $ZBX_CONFIG "StartSNMPTrapper" "1"
else
update_config_var $ZBX_CONFIG "SNMPTrapperFile"
update_config_var $ZBX_CONFIG "StartSNMPTrapper"
fi
update_config_var $ZBX_CONFIG "HousekeepingFrequency" "${ZBX_HOUSEKEEPINGFREQUENCY}"
update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
update_config_var $ZBX_CONFIG "CacheUpdateFrequency" "${ZBX_CACHEUPDATEFREQUENCY}"
update_config_var $ZBX_CONFIG "StartDBSyncers" "${ZBX_STARTDBSYNCERS}"
update_config_var $ZBX_CONFIG "HistoryCacheSize" "${ZBX_HISTORYCACHESIZE}"
update_config_var $ZBX_CONFIG "HistoryIndexCacheSize" "${ZBX_HISTORYINDEXCACHESIZE}"
update_config_var $ZBX_CONFIG "TrendCacheSize" "${ZBX_TRENDCACHESIZE}"
update_config_var $ZBX_CONFIG "ValueCacheSize" "${ZBX_VALUECACHESIZE}"
update_config_var $ZBX_CONFIG "Timeout" "${ZBX_TIMEOUT}"
update_config_var $ZBX_CONFIG "TrapperTimeout" "${ZBX_TRAPPERIMEOUT}"
update_config_var $ZBX_CONFIG "UnreachablePeriod" "${ZBX_UNREACHABLEPERIOD}"
update_config_var $ZBX_CONFIG "UnavailableDelay" "${ZBX_UNAVAILABLEDELAY}"
update_config_var $ZBX_CONFIG "UnreachableDelay" "${ZBX_UNREACHABLEDELAY}"
update_config_var $ZBX_CONFIG "AlertScriptsPath" "/usr/lib/zabbix/alertscripts"
update_config_var $ZBX_CONFIG "ExternalScripts" "/usr/lib/zabbix/externalscripts"
if [ -n "${ZBX_EXPORTFILESIZE}" ]; then
update_config_var $ZBX_CONFIG "ExportDir" "$ZABBIX_USER_HOME_DIR/export/"
update_config_var $ZBX_CONFIG "ExportFileSize" "${ZBX_EXPORTFILESIZE}"
fi
update_config_var $ZBX_CONFIG "FpingLocation" "/usr/sbin/fping"
update_config_var $ZBX_CONFIG "Fping6Location"
update_config_var $ZBX_CONFIG "SSHKeyLocation" "$ZABBIX_USER_HOME_DIR/ssh_keys"
update_config_var $ZBX_CONFIG "LogSlowQueries" "${ZBX_LOGSLOWQUERIES}"
update_config_var $ZBX_CONFIG "StartProxyPollers" "${ZBX_STARTPROXYPOLLERS}"
update_config_var $ZBX_CONFIG "ProxyConfigFrequency" "${ZBX_PROXYCONFIGFREQUENCY}"
update_config_var $ZBX_CONFIG "ProxyDataFrequency" "${ZBX_PROXYDATAFREQUENCY}"
update_config_var $ZBX_CONFIG "SSLCertLocation" "$ZABBIX_USER_HOME_DIR/ssl/certs/"
update_config_var $ZBX_CONFIG "SSLKeyLocation" "$ZABBIX_USER_HOME_DIR/ssl/keys/"
update_config_var $ZBX_CONFIG "SSLCALocation" "$ZABBIX_USER_HOME_DIR/ssl/ssl_ca/"
update_config_var $ZBX_CONFIG "LoadModulePath" "$ZABBIX_USER_HOME_DIR/modules/"
update_config_multiple_var $ZBX_CONFIG "LoadModule" "${ZBX_LOADMODULE}"
update_config_var $ZBX_CONFIG "TLSCAFile" "${ZBX_TLSCAFILE}"
update_config_var $ZBX_CONFIG "TLSCRLFile" "${ZBX_TLSCRLFILE}"
update_config_var $ZBX_CONFIG "TLSCertFile" "${ZBX_TLSCERTFILE}"
update_config_var $ZBX_CONFIG "TLSCipherAll" "${ZBX_TLSCIPHERALL}"
update_config_var $ZBX_CONFIG "TLSCipherAll13" "${ZBX_TLSCIPHERALL13}"
update_config_var $ZBX_CONFIG "TLSCipherCert" "${ZBX_TLSCIPHERCERT}"
update_config_var $ZBX_CONFIG "TLSCipherCert13" "${ZBX_TLSCIPHERCERT13}"
update_config_var $ZBX_CONFIG "TLSCipherPSK" "${ZBX_TLSCIPHERPSK}"
update_config_var $ZBX_CONFIG "TLSCipherPSK13" "${ZBX_TLSCIPHERPSK13}"
update_config_var $ZBX_CONFIG "TLSKeyFile" "${ZBX_TLSKEYFILE}"
update_config_var $ZBX_CONFIG "TLSPSKIdentity" "${ZBX_TLSPSKIDENTITY}"
update_config_var $ZBX_CONFIG "TLSPSKFile" "${ZBX_TLSPSKFILE}"
if [ "$(id -u)" != '0' ]; then
update_config_var $ZBX_CONFIG "User" "$(whoami)"
else
update_config_var $ZBX_CONFIG "AllowRoot" "1"
fi
}
prepare_zbx_web_config() {
local server_name=""
echo "** Preparing Zabbix frontend configuration file"
ZBX_WWW_ROOT="/usr/share/zabbix"
ZBX_WEB_CONFIG="$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}"
if [ "$(id -u)" == '0' ]; then
echo "user = zabbix" >> "$PHP_CONFIG_FILE"
echo "group = zabbix" >> "$PHP_CONFIG_FILE"
echo "listen.owner = nginx" >> "$PHP_CONFIG_FILE"
echo "listen.group = nginx" >> "$PHP_CONFIG_FILE"
fi
ZBX_HISTORYSTORAGETYPES=${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}/localhost/g" \
-e "s/{ZBX_SERVER_PORT}/10051/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}/${ZBX_DB_CIPHER_LIST}/g" \
-e "s/{DB_DOUBLE_IEEE754}/${DB_DOUBLE_IEEE754:-"true"}/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" > "$ZBX_WWW_ROOT/include/defines.inc.php"
rm -f "/tmp/defines.inc.php_tmp"
fi
if [ "${ENABLE_WEB_ACCESS_LOG:-"true"}" == "false" ]; then
sed -ri \
-e 's!^(\s*access_log).+\;!\1 off\;!g' \
"/etc/nginx/nginx.conf"
sed -ri \
-e 's!^(\s*access_log).+\;!\1 off\;!g' \
"/etc/zabbix/nginx.conf"
sed -ri \
-e 's!^(\s*access_log).+\;!\1 off\;!g' \
"/etc/zabbix/nginx_ssl.conf"
fi
}
prepare_java_gateway_config() {
echo "** Preparing Zabbix Java Gateway log configuration file"
ZBX_GATEWAY_CONFIG=$ZABBIX_ETC_DIR/zabbix_java_gateway_logback.xml
if [ -n "${ZBX_DEBUGLEVEL}" ]; then
echo "Updating $ZBX_GATEWAY_CONFIG 'DebugLevel' parameter: '${ZBX_DEBUGLEVEL}'... updated"
if [ -f "$ZBX_GATEWAY_CONFIG" ]; then
sed -i -e "/^.*<root level=/s/=.*/=\"${ZBX_DEBUGLEVEL}\">/" "$ZBX_GATEWAY_CONFIG"
else
echo "**** Zabbix Java Gateway log configuration file '$ZBX_GATEWAY_CONFIG' not found"
fi
fi
}
prepare_server() {
echo "** Preparing Zabbix server"
check_variables_mysql
check_db_connect
create_db_user_mysql
create_db_database_mysql
create_db_schema_mysql
update_zbx_config
}
prepare_web() {
echo "** Preparing Zabbix web-interface"
check_variables_mysql
check_db_connect
prepare_web_server
prepare_zbx_web_config
}
prepare_java_gateway() {
echo "** Preparing Zabbix Java Gateway"
prepare_java_gateway_config
}
#################################################
echo "** Deploying Zabbix server (nginx) with MySQL database"
prepare_system
prepare_server
prepare_web
prepare_java_gateway
clear_deploy
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
#################################################