zabbix-docker/agent/alpine/docker-entrypoint.sh
2018-02-18 22:42:44 +02:00

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#!/bin/bash
set -eo pipefail
set +e
# Script trace mode
if [ "${DEBUG_MODE}" == "true" ]; then
set -o xtrace
fi
# Type of Zabbix component
# Possible values: [server, proxy, agent, web, dev]
zbx_type="$1"
# Type of Zabbix database
# Possible values: [mysql, postgresql]
zbx_db_type="$2"
# Type of web-server. Valid only with zbx_type = web
# Possible values: [apache, nginx]
zbx_opt_type="$3"
# Default Zabbix installation name
# Used only by Zabbix web-interface
ZBX_SERVER_NAME=${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"}
# 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"
prepare_system() {
local type=$1
local web_server=$2
echo "** Preparing the system"
if [ "$type" != "dev" ]; then
return
fi
}
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
# 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 "/" character in parameter value
var_value=${var_value//\//\\/}
if [ "$(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_mysql() {
local type=$1
DB_SERVER_HOST=${DB_SERVER_HOST:-"mysql-server"}
DB_SERVER_PORT=${DB_SERVER_PORT:-"3306"}
USE_DB_ROOT_USER=false
CREATE_ZBX_DB_USER=false
if [ ! -n "${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=${DB_SERVER_ROOT_USER:-${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=${MYSQL_PASSWORD:-"zabbix"}
if [ "$type" == "proxy" ]; then
DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix_proxy"}
else
DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
fi
}
# Check prerequisites for PostgreSQL database
check_variables_postgresql() {
local type=$1
DB_SERVER_HOST=${DB_SERVER_HOST:-"postgres-server"}
DB_SERVER_PORT=${DB_SERVER_PORT:-"5432"}
CREATE_ZBX_DB_USER=${CREATE_ZBX_DB_USER:-"false"}
DB_SERVER_ROOT_USER=${POSTGRES_USER:-"postgres"}
DB_SERVER_ROOT_PASS=${POSTGRES_PASSWORD:-""}
DB_SERVER_ZBX_USER=${POSTGRES_USER:-"zabbix"}
DB_SERVER_ZBX_PASS=${POSTGRES_PASSWORD:-"zabbix"}
if [ "$type" == "proxy" ]; then
DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix_proxy"}
else
DB_SERVER_DBNAME=${POSTGRES_DB:-"zabbix"}
fi
}
check_db_connect_mysql() {
echo "********************"
echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
if [ "${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: ${DB_SERVER_ZBX_PASS}"
echo "********************"
WAIT_TIMEOUT=5
while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
--password="${DB_SERVER_ROOT_PASS}" --silent --connect_timeout=10)" ]; do
echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
sleep $WAIT_TIMEOUT
done
}
check_db_connect_postgresql() {
echo "********************"
echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
if [ "${USE_DB_ROOT_USER}" == "true" ]; then
echo "* DB_SERVER_ROOT_USER: ${DB_SERVER_ROOT_USER}"
echo "* DB_SERVER_ROOT_PASS: ${DB_SERVER_ROOT_PASS}"
else
DB_SERVER_ROOT_USER=${DB_SERVER_ZBX_USER}
DB_SERVER_ROOT_PASS=${DB_SERVER_ZBX_PASS}
fi
echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
echo "* DB_SERVER_ZBX_PASS: ${DB_SERVER_ZBX_PASS}"
echo "********************"
if [ -n "${DB_SERVER_ZBX_PASS}" ]; then
export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
fi
WAIT_TIMEOUT=5
while [ ! "$(psql -h ${DB_SERVER_HOST} -p ${DB_SERVER_PORT} -U ${DB_SERVER_ROOT_USER} -d ${DB_SERVER_DBNAME} -l -q 2>/dev/null)" ]; do
echo "**** PostgreSQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
sleep $WAIT_TIMEOUT
done
unset PGPASSWORD
}
mysql_query() {
query=$1
local result=""
result=$(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")
echo $result
}
psql_query() {
query=$1
db=$2
local result=""
if [ -n "${DB_SERVER_ZBX_PASS}" ]; then
export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
fi
result=$(psql -A -q -t -h ${DB_SERVER_HOST} -p ${DB_SERVER_PORT} \
-U ${DB_SERVER_ROOT_USER} -c "$query" $db 2>/dev/null);
unset PGPASSWORD
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 "SET PASSWORD FOR '${DB_SERVER_ZBX_USER}'@'%' = PASSWORD('${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_user_postgresql() {
[ "${CREATE_ZBX_DB_USER}" == "true" ] || return
echo "** Creating '${DB_SERVER_ZBX_USER}' user in PostgreSQL database"
USER_EXISTS=$(psql_query "SELECT 1 FROM pg_roles WHERE rolname='${DB_SERVER_ZBX_USER}'")
if [ -z "$USER_EXISTS" ]; then
psql_query "CREATE USER ${DB_SERVER_ZBX_USER} WITH PASSWORD '${DB_SERVER_ZBX_PASS}'" 1>/dev/null
else
psql_query "ALTER USER ${DB_SERVER_ZBX_USER} WITH ENCRYPTED PASSWORD '${DB_SERVER_ZBX_PASS}'" 1>/dev/null
fi
}
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 '${DB_SERVER_DBNAME}' already exists. Please be careful with database COLLATE!"
fi
}
create_db_database_postgresql() {
DB_EXISTS=$(psql_query "SELECT 1 AS result FROM pg_database WHERE datname='${DB_SERVER_DBNAME}'")
if [ -z ${DB_EXISTS} ]; then
echo "** Database '${DB_SERVER_DBNAME}' does not exist. Creating..."
psql_query "CREATE DATABASE ${DB_SERVER_DBNAME} WITH OWNER ${DB_SERVER_ZBX_USER} ENCODING='UTF8' LC_CTYPE='en_US.utf8' LC_COLLATE='en_US.utf8'" 1>/dev/null
else
echo "** Database '${DB_SERVER_DBNAME}' already exists. Please be careful with database owner!"
fi
}
create_db_schema_mysql() {
local type=$1
DBVERSION_TABLE_EXISTS=$(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 '${DB_SERVER_DBNAME}' schema in MySQL"
zcat /usr/share/doc/zabbix-$type-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}" \
${DB_SERVER_DBNAME} 1>/dev/null
fi
}
create_db_schema_postgresql() {
local type=$1
DBVERSION_TABLE_EXISTS=$(psql_query "SELECT 1 FROM pg_catalog.pg_class c JOIN pg_catalog.pg_namespace n ON n.oid =
c.relnamespace WHERE n.nspname = 'public' AND c.relname = 'dbversion'" "${DB_SERVER_DBNAME}")
if [ -n "${DBVERSION_TABLE_EXISTS}" ]; then
echo "** Table '${DB_SERVER_DBNAME}.dbversion' already exists."
ZBX_DB_VERSION=$(psql_query "SELECT mandatory FROM public.dbversion" "${DB_SERVER_DBNAME}")
fi
if [ -z "${ZBX_DB_VERSION}" ]; then
echo "** Creating '${DB_SERVER_DBNAME}' schema in PostgreSQL"
if [ -n "${DB_SERVER_ZBX_PASS}" ]; then
export PGPASSWORD="${DB_SERVER_ZBX_PASS}"
fi
zcat /usr/share/doc/zabbix-$type-postgresql/create.sql.gz | psql -q \
-h ${DB_SERVER_HOST} -p ${DB_SERVER_PORT} \
-U ${DB_SERVER_ZBX_USER} ${DB_SERVER_DBNAME} 1>/dev/null
unset PGPASSWORD
fi
}
prepare_web_server_apache() {
if [ -d "/etc/apache2/sites-available" ]; then
APACHE_SITES_DIR=/etc/apache2/sites-available
elif [ -d "/etc/apache2/conf.d" ]; then
APACHE_SITES_DIR=/etc/apache2/conf.d
elif [ -d "/etc/httpd/conf.d" ]; then
APACHE_SITES_DIR=/etc/httpd/conf.d
else
echo "**** Apache is not available"
exit 1
fi
if [ -f "/usr/sbin/a2dissite" ]; then
echo "** Disable default site"
/usr/sbin/a2dissite 000-default 1>/dev/null
rm -rf "$APACHE_SITES_DIR/*"
elif [ -f "/etc/apache2/conf.d/default.conf" ]; then
echo "** Disable default site"
rm -f "/etc/apache2/conf.d/default.conf"
rm -f "/etc/httpd/conf.d/welcome.conf"
fi
echo "** Adding Zabbix virtual host (HTTP)"
if [ -f "$ZABBIX_ETC_DIR/apache.conf" ]; then
ln -s "$ZABBIX_ETC_DIR/apache.conf" "$APACHE_SITES_DIR/zabbix.conf"
if [ -f "/usr/sbin/a2dissite" ]; then
/usr/sbin/a2ensite zabbix.conf 1>/dev/null
fi
else
echo "**** Impossible to enable HTTP virtual host"
fi
if [ -f "/etc/apache2/conf.d/ssl.conf" ]; then
rm -f "/etc/apache2/conf.d/ssl.conf"
fi
if [ -f "/etc/ssl/apache2/ssl.crt" ] && [ -f "/etc/ssl/apache2/ssl.key" ]; then
echo "** Enable SSL support for Apache2"
if [ -f "/usr/sbin/a2enmod" ]; then
/usr/sbin/a2enmod ssl 1>/dev/null
fi
echo "** Adding Zabbix virtual host (HTTPS)"
if [ -f "$ZABBIX_ETC_DIR/apache_ssl.conf" ]; then
ln -s "$ZABBIX_ETC_DIR/apache_ssl.conf" "$APACHE_SITES_DIR/zabbix_ssl.conf"
if [ -f "/usr/sbin/a2dissite" ]; then
/usr/sbin/a2ensite zabbix_ssl.conf 1>/dev/null
fi
else
echo "**** Impossible to enable HTTPS virtual host"
fi
else
echo "**** Impossible to enable SSL support for Apache2. Certificates are missed."
fi
# Change Apache2 logging to stdout and stderr
if [ -f "/etc/apache2/apache2.conf" ]; then
sed -ri \
-e 's!^(\s*CustomLog)\s+\S+!\1 /proc/self/fd/1!g' \
-e 's!^(\s*ErrorLog)\s+\S+!\1 /proc/self/fd/2!g' \
"/etc/apache2/apache2.conf"
fi
if [ -f "/etc/httpd/conf/httpd.conf" ]; then
sed -ri \
-e 's!^(\s*CustomLog)\s+\S+!\1 /proc/self/fd/1!g' \
-e 's!^(\s*ErrorLog)\s+\S+!\1 /proc/self/fd/2!g' \
"/etc/httpd/conf/httpd.conf"
fi
if [ -f "/etc/apache2/httpd.conf" ]; then
sed -ri \
-e 's!^(\s*CustomLog)\s+\S+!\1 /proc/self/fd/1!g' \
-e 's!^(\s*ErrorLog)\s+\S+!\1 /proc/self/fd/2!g' \
"/etc/apache2/httpd.conf"
fi
if [ -f "/etc/apache2/conf-available/other-vhosts-access-log.conf" ]; then
sed -ri \
-e 's!^(\s*CustomLog)\s+\S+!\1 /proc/self/fd/1!g' \
-e 's!^(\s*ErrorLog)\s+\S+!\1 /proc/self/fd/2!g' \
"/etc/apache2/conf-available/other-vhosts-access-log.conf"
fi
if [ -f "/etc/apache2/conf.d/mpm.conf" ]; then
sed -ri \
-e 's!^(\s*PidFile)\s+\S+!\1 "/var/run/httpd.pid"!g' \
"/etc/apache2/conf.d/mpm.conf"
fi
if [ -f "/var/run/apache2/apache2.pid" ]; then
rm -f "/var/run/apache2/apache2.pid"
fi
if [ -f "/var/run/httpd/httpd.pid" ]; then
rm -f "/var/run/httpd/httpd.pid"
fi
}
prepare_web_server_nginx() {
NGINX_CONFD_DIR="/etc/nginx/conf.d"
NGINX_SSL_CONFIG="/etc/ssl/nginx"
PHP_SESSIONS_DIR="/var/lib/php5"
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
if [ -d "/var/log/nginx/" ]; then
ln -sf /dev/fd/2 /var/log/nginx/error.log
fi
ln -sf /dev/fd/2 /var/log/php5-fpm.log
}
clear_deploy() {
local type=$1
echo "** Cleaning the system"
[ "$type" != "dev" ] && return
}
update_zbx_config() {
local type=$1
local db_type=$2
echo "** Preparing Zabbix $type configuration file"
ZBX_CONFIG=$ZABBIX_ETC_DIR/zabbix_$type.conf
if [ "$type" == "proxy" ]; then
update_config_var $ZBX_CONFIG "ProxyMode" "${ZBX_PROXYMODE}"
update_config_var $ZBX_CONFIG "Server" "${ZBX_SERVER_HOST}"
update_config_var $ZBX_CONFIG "ServerPort" "${ZBX_SERVER_PORT}"
update_config_var $ZBX_CONFIG "Hostname" "${ZBX_HOSTNAME:-"zabbix-proxy-"$db_type}"
update_config_var $ZBX_CONFIG "HostnameItem" "${ZBX_HOSTNAMEITEM}"
fi
if [ $type == "proxy" ] && [ "${ZBX_ADD_SERVER}" = "true" ]; then
update_config_var $ZBX_CONFIG "ListenPort" "10061"
else
update_config_var $ZBX_CONFIG "ListenPort"
fi
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 [ "$db_type" == "sqlite3" ]; then
update_config_var $ZBX_CONFIG "DBHost"
update_config_var $ZBX_CONFIG "DBName" "/var/lib/zabbix/zabbix_proxy_db"
update_config_var $ZBX_CONFIG "DBUser"
update_config_var $ZBX_CONFIG "DBPort"
update_config_var $ZBX_CONFIG "DBPassword"
else
update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
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}"
fi
if [ "$type" == "proxy" ]; then
update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
update_config_var $ZBX_CONFIG "ProxyOfflineBuffer" "${ZBX_PROXYOFFLINEBUFFER}"
update_config_var $ZBX_CONFIG "HeartbeatFrequency" "${ZBX_PROXYHEARTBEATFREQUENCY}"
update_config_var $ZBX_CONFIG "ConfigFrequency" "${ZBX_CONFIGFREQUENCY}"
update_config_var $ZBX_CONFIG "DataSenderFrequency" "${ZBX_DATASENDERFREQUENCY}"
fi
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}"
if [ "$type" == "server" ]; then
update_config_var $ZBX_CONFIG "StartTimers" "${ZBX_STARTTIMERS}"
update_config_var $ZBX_CONFIG "StartEscalators" "${ZBX_STARTESCALATORS}"
fi
ZBX_JAVAGATEWAY_ENABLE=${ZBX_JAVAGATEWAY_ENABLE:-"false"}
if [ "${ZBX_JAVAGATEWAY_ENABLE}" == "true" ]; then
update_config_var $ZBX_CONFIG "JavaGateway" "${ZBX_JAVAGATEWAY:-"zabbix-java-gateway"}"
update_config_var $ZBX_CONFIG "JavaGatewayPort" "${ZBX_JAVAGATEWAYPORT}"
update_config_var $ZBX_CONFIG "StartJavaPollers" "${ZBX_STARTJAVAPOLLERS:-"5"}"
else
update_config_var $ZBX_CONFIG "JavaGateway"
update_config_var $ZBX_CONFIG "JavaGatewayPort"
update_config_var $ZBX_CONFIG "StartJavaPollers"
fi
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=${ZBX_ENABLE_SNMP_TRAPS:-"false"}
if [ "${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}"
if [ "$type" == "server" ]; then
update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
fi
update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
if [ "$type" == "server" ]; then
update_config_var $ZBX_CONFIG "CacheUpdateFrequency" "${ZBX_CACHEUPDATEFREQUENCY}"
fi
update_config_var $ZBX_CONFIG "StartDBSyncers" "${ZBX_STARTDBSYNCERS}"
update_config_var $ZBX_CONFIG "HistoryCacheSize" "${ZBX_HISTORYCACHESIZE}"
update_config_var $ZBX_CONFIG "HistoryIndexCacheSize" "${ZBX_HISTORYINDEXCACHESIZE}"
if [ "$type" == "server" ]; then
update_config_var $ZBX_CONFIG "TrendCacheSize" "${ZBX_TRENDCACHESIZE}"
update_config_var $ZBX_CONFIG "ValueCacheSize" "${ZBX_VALUECACHESIZE}"
fi
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"
# Possible few fping locations
if [ -f "/usr/bin/fping" ]; then
update_config_var $ZBX_CONFIG "FpingLocation" "/usr/bin/fping"
else
update_config_var $ZBX_CONFIG "FpingLocation" "/usr/sbin/fping"
fi
if [ -f "/usr/bin/fping6" ]; then
update_config_var $ZBX_CONFIG "Fping6Location" "/usr/bin/fping6"
else
update_config_var $ZBX_CONFIG "Fping6Location" "/usr/sbin/fping6"
fi
update_config_var $ZBX_CONFIG "SSHKeyLocation" "$ZABBIX_USER_HOME_DIR/ssh_keys"
update_config_var $ZBX_CONFIG "LogSlowQueries" "${ZBX_LOGSLOWQUERIES}"
if [ "$type" == "server" ]; then
update_config_var $ZBX_CONFIG "StartProxyPollers" "${ZBX_STARTPROXYPOLLERS}"
update_config_var $ZBX_CONFIG "ProxyConfigFrequency" "${ZBX_PROXYCONFIGFREQUENCY}"
update_config_var $ZBX_CONFIG "ProxyDataFrequency" "${ZBX_PROXYDATAFREQUENCY}"
fi
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}"
if [ "$type" == "proxy" ]; then
update_config_var $ZBX_CONFIG "TLSConnect" "${ZBX_TLSCONNECT}"
update_config_var $ZBX_CONFIG "TLSAccept" "${ZBX_TLSACCEPT}"
fi
update_config_var $ZBX_CONFIG "TLSCAFile" "${ZBX_TLSCAFILE}"
update_config_var $ZBX_CONFIG "TLSCRLFile" "${ZBX_TLSCRLFILE}"
if [ "$type" == "proxy" ]; then
update_config_var $ZBX_CONFIG "TLSServerCertIssuer" "${ZBX_TLSSERVERCERTISSUER}"
update_config_var $ZBX_CONFIG "TLSServerCertSubject" "${ZBX_TLSSERVERCERTSUBJECT}"
fi
update_config_var $ZBX_CONFIG "TLSCertFile" "${ZBX_TLSCERTFILE}"
update_config_var $ZBX_CONFIG "TLSKeyFile" "${ZBX_TLSKEYFILE}"
if [ "$type" == "proxy" ]; then
update_config_var $ZBX_CONFIG "TLSPSKIdentity" "${ZBX_TLSPSKIDENTITY}"
update_config_var $ZBX_CONFIG "TLSPSKFile" "${ZBX_TLSPSKFILE}"
fi
}
prepare_zbx_web_config() {
local db_type=$1
local server_name=""
echo "** Preparing Zabbix frontend configuration file"
ZBX_WEB_CONFIG="$ZABBIX_ETC_DIR/web/zabbix.conf.php"
if [ -f "/usr/share/zabbix/conf/zabbix.conf.php" ]; then
rm -f "/usr/share/zabbix/conf/zabbix.conf.php"
fi
ln -s "$ZBX_WEB_CONFIG" "/usr/share/zabbix/conf/zabbix.conf.php"
# Different places of PHP configuration file
if [ -f "/etc/php5/conf.d/99-zabbix.ini" ]; then
PHP_CONFIG_FILE="/etc/php5/conf.d/99-zabbix.ini"
elif [ -f "/etc/php5/fpm/conf.d/99-zabbix.ini" ]; then
PHP_CONFIG_FILE="/etc/php5/fpm/conf.d/99-zabbix.ini"
elif [ -f "/etc/php5/apache2/conf.d/99-zabbix.ini" ]; then
PHP_CONFIG_FILE="/etc/php5/apache2/conf.d/99-zabbix.ini"
elif [ -f "/etc/php/7.0/apache2/conf.d/99-zabbix.ini" ]; then
PHP_CONFIG_FILE="/etc/php/7.0/apache2/conf.d/99-zabbix.ini"
elif [ -f "/etc/php/7.0/fpm/conf.d/99-zabbix.ini" ]; then
PHP_CONFIG_FILE="/etc/php/7.0/fpm/conf.d/99-zabbix.ini"
elif [ -f "/etc/php.d/99-zabbix.ini" ]; then
PHP_CONFIG_FILE="/etc/php.d/99-zabbix.ini"
fi
if [ -n "$PHP_CONFIG_FILE" ]; then
update_config_var "$PHP_CONFIG_FILE" "max_execution_time" "${ZBX_MAXEXECUTIONTIME:-"600"}"
update_config_var "$PHP_CONFIG_FILE" "memory_limit" "${ZBX_MEMORYLIMIT:-"128M"}"
update_config_var "$PHP_CONFIG_FILE" "post_max_size" "${ZBX_POSTMAXSIZE:-"16M"}"
update_config_var "$PHP_CONFIG_FILE" "upload_max_filesize" "${ZBX_UPLOADMAXFILESIZE:-"2M"}"
update_config_var "$PHP_CONFIG_FILE" "max_input_time" "${ZBX_MAXINPUTTIME:-"300"}"
update_config_var "$PHP_CONFIG_FILE" "date.timezone" "${PHP_TZ}"
else
echo "**** Zabbix related PHP configuration file not found"
fi
# Escaping "/" character in parameter value
server_name=${ZBX_SERVER_NAME//\//\\/}
sed -i \
-e "s/{DB_SERVER_HOST}/${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_USER}/${DB_SERVER_ZBX_USER}/g" \
-e "s/{DB_SERVER_PASS}/${DB_SERVER_ZBX_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}/$server_name/g" \
"$ZBX_WEB_CONFIG"
[ "$db_type" = "postgresql" ] && sed -i "s/MYSQL/POSTGRESQL/g" "$ZBX_WEB_CONFIG"
}
prepare_zbx_agent_config() {
echo "** Preparing Zabbix agent configuration file"
ZBX_AGENT_CONFIG=$ZABBIX_ETC_DIR/zabbix_agentd.conf
ZBX_PASSIVESERVERS=${ZBX_PASSIVESERVERS:-""}
ZBX_ACTIVESERVERS=${ZBX_ACTIVESERVERS:-""}
[ -n "$ZBX_PASSIVESERVERS" ] && ZBX_PASSIVESERVERS=","$ZBX_PASSIVESERVERS
ZBX_PASSIVESERVERS=$ZBX_SERVER_HOST$ZBX_PASSIVESERVERS
[ -n "$ZBX_ACTIVESERVERS" ] && ZBX_ACTIVESERVERS=","$ZBX_ACTIVESERVERS
ZBX_ACTIVESERVERS=$ZBX_SERVER_HOST":"$ZBX_SERVER_PORT$ZBX_ACTIVESERVERS
update_config_var $ZBX_AGENT_CONFIG "PidFile"
update_config_var $ZBX_AGENT_CONFIG "LogType" "console"
update_config_var $ZBX_AGENT_CONFIG "LogFile"
update_config_var $ZBX_AGENT_CONFIG "LogFileSize"
update_config_var $ZBX_AGENT_CONFIG "DebugLevel" "${ZBX_DEBUGLEVEL}"
update_config_var $ZBX_AGENT_CONFIG "SourceIP"
update_config_var $ZBX_AGENT_CONFIG "EnableRemoteCommands" "${ZBX_ENABLEREMOTECOMMANDS}"
update_config_var $ZBX_AGENT_CONFIG "LogRemoteCommands" "${ZBX_LOGREMOTECOMMANDS}"
ZBX_PASSIVE_ALLOW=${ZBX_PASSIVE_ALLOW:-"true"}
if [ "$ZBX_PASSIVE_ALLOW" == "true" ]; then
echo "** Using '$ZBX_PASSIVESERVERS' servers for passive checks"
update_config_var $ZBX_AGENT_CONFIG "Server" "${ZBX_PASSIVESERVERS}"
else
update_config_var $ZBX_AGENT_CONFIG "Server"
fi
update_config_var $ZBX_AGENT_CONFIG "ListenPort"
update_config_var $ZBX_AGENT_CONFIG "ListenIP" "${ZBX_LISTENIP}"
update_config_var $ZBX_AGENT_CONFIG "StartAgents" "${ZBX_STARTAGENTS}"
ZBX_ACTIVE_ALLOW=${ZBX_ACTIVE_ALLOW:-"true"}
if [ "$ZBX_ACTIVE_ALLOW" == "true" ]; then
echo "** Using '$ZBX_ACTIVESERVERS' servers for active checks"
update_config_var $ZBX_AGENT_CONFIG "ServerActive" "${ZBX_ACTIVESERVERS}"
else
update_config_var $ZBX_AGENT_CONFIG "ServerActive"
fi
update_config_var $ZBX_AGENT_CONFIG "Hostname" "${ZBX_HOSTNAME}"
update_config_var $ZBX_AGENT_CONFIG "HostnameItem" "${ZBX_HOSTNAMEITEM}"
update_config_var $ZBX_AGENT_CONFIG "HostMetadata" "${ZBX_METADATA}"
update_config_var $ZBX_AGENT_CONFIG "HostMetadataItem" "${ZBX_METADATAITEM}"
update_config_var $ZBX_AGENT_CONFIG "RefreshActiveChecks" "${ZBX_REFRESHACTIVECHECKS}"
update_config_var $ZBX_AGENT_CONFIG "BufferSend" "${ZBX_BUFFERSEND}"
update_config_var $ZBX_AGENT_CONFIG "BufferSize" "${ZBX_BUFFERSIZE}"
update_config_var $ZBX_AGENT_CONFIG "MaxLinesPerSecond" "${ZBX_MAXLINESPERSECOND}"
# update_config_multiple_var $ZBX_AGENT_CONFIG "Alias" ${ZBX_ALIAS}
update_config_var $ZBX_AGENT_CONFIG "Timeout" "${ZBX_TIMEOUT}"
update_config_var $ZBX_AGENT_CONFIG "Include" "/etc/zabbix/zabbix_agentd.d/"
update_config_var $ZBX_AGENT_CONFIG "UnsafeUserParameters" "${ZBX_UNSAFEUSERPARAMETERS}"
update_config_var $ZBX_AGENT_CONFIG "LoadModulePath" "$ZABBIX_USER_HOME_DIR/modules/"
update_config_multiple_var $ZBX_AGENT_CONFIG "LoadModule" "${ZBX_LOADMODULE}"
update_config_var $ZBX_AGENT_CONFIG "TLSConnect" "${ZBX_TLSCONNECT}"
update_config_var $ZBX_AGENT_CONFIG "TLSAccept" "${ZBX_TLSACCEPT}"
update_config_var $ZBX_AGENT_CONFIG "TLSCAFile" "${ZBX_TLSCAFILE}"
update_config_var $ZBX_AGENT_CONFIG "TLSCRLFile" "${ZBX_TLSCRLFILE}"
update_config_var $ZBX_AGENT_CONFIG "TLSServerCertIssuer" "${ZBX_TLSSERVERCERTISSUER}"
update_config_var $ZBX_AGENT_CONFIG "TLSServerCertSubject" "${ZBX_TLSSERVERCERTSUBJECT}"
update_config_var $ZBX_AGENT_CONFIG "TLSCertFile" "${ZBX_TLSCERTFILE}"
update_config_var $ZBX_AGENT_CONFIG "TLSKeyFile" "${ZBX_TLSKEYFILE}"
update_config_var $ZBX_AGENT_CONFIG "TLSPSKIdentity" "${ZBX_TLSPSKIDENTITY}"
update_config_var $ZBX_AGENT_CONFIG "TLSPSKFile" "${ZBX_TLSPSKFILE}"
}
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_agent() {
echo "** Preparing Zabbix agent"
prepare_zbx_agent_config
}
prepare_server() {
local db_type=$1
echo "** Preparing Zabbix server"
check_variables_$db_type "server"
check_db_connect_$db_type
create_db_user_$db_type
create_db_database_$db_type
create_db_schema_$db_type "server"
update_zbx_config "server" "$db_type"
}
prepare_proxy() {
local db_type=$1
echo "Preparing Zabbix proxy"
if [ "$db_type" != "sqlite3" ]; then
check_variables_$db_type "proxy"
check_db_connect_$db_type
create_db_user_$db_type
create_db_database_$db_type
create_db_schema_$db_type "proxy"
fi
update_zbx_config "proxy" $db_type
}
prepare_web() {
local web_server=$1
local db_type=$2
echo "** Preparing Zabbix web-interface"
check_variables_$db_type
check_db_connect_$db_type
prepare_web_server_$web_server
prepare_zbx_web_config $db_type
}
prepare_java_gateway() {
echo "** Preparing Zabbix Java Gateway"
prepare_java_gateway_config
}
#################################################
if [ ! -n "$zbx_type" ]; then
echo "**** Type of Zabbix component is not specified"
exit 1
elif [ "$zbx_type" == "dev" ]; then
echo "** Deploying Zabbix installation from SVN"
else
if [ ! -n "$zbx_db_type" ]; then
echo "**** Database type of Zabbix $zbx_type is not specified"
exit 1
fi
if [ -n "$zbx_db_type" ]; then
if [ -n "$zbx_opt_type" ]; then
echo "** Deploying Zabbix $zbx_type ($zbx_opt_type) with $zbx_db_type database"
else
echo "** Deploying Zabbix $zbx_type with $zbx_db_type database"
fi
else
echo "** Deploying Zabbix $zbx_type"
fi
fi
prepare_system "$zbx_type" "$zbx_opt_type"
[ "$zbx_type" == "server" ] && prepare_server $zbx_db_type
[ "${ZBX_ADD_SERVER}" == "true" ] && prepare_server ${ZBX_MAIN_DB}
[ "$zbx_type" == "proxy" ] && prepare_proxy $zbx_db_type
[ "${ZBX_ADD_PROXY}" == "true" ] && prepare_proxy ${ZBX_PROXY_DB}
[ "$zbx_type" == "frontend" ] && prepare_web $zbx_opt_type $zbx_db_type
[ "${ZBX_ADD_WEB}" == "true" ] && prepare_web ${ZBX_WEB_SERVER} ${ZBX_MAIN_DB}
[ "$zbx_type" == "agentd" ] && prepare_agent
[ "${ZBX_ADD_AGENT}" == "true" ] && prepare_agent
[ "$zbx_type" == "java-gateway" ] && prepare_java_gateway
[ "${ZBX_ADD_JAVA_GATEWAY}" == "true" ] && prepare_java_gateway
clear_deploy "$zbx_type"
echo "########################################################"
echo "** Executing supervisord"
exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf
#################################################