mirror of
https://github.com/zabbix/zabbix-docker.git
synced 2024-11-25 09:13:50 +01:00
278 lines
11 KiB
Bash
Executable File
278 lines
11 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 server host
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: ${ZBX_SERVER_HOST:="zabbix-server"}
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# Default directories
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# User 'zabbix' home directory
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ZABBIX_USER_HOME_DIR="/var/lib/zabbix"
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# Configuration files directory
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ZABBIX_ETC_DIR="/etc/zabbix"
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escape_spec_char() {
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local var_value=$1
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var_value="${var_value//\\/\\\\}"
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var_value="${var_value//[$'\n']/}"
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var_value="${var_value//\//\\/}"
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var_value="${var_value//./\\.}"
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var_value="${var_value//\*/\\*}"
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var_value="${var_value//^/\\^}"
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var_value="${var_value//\$/\\\$}"
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var_value="${var_value//\&/\\\&}"
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var_value="${var_value//\[/\\[}"
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var_value="${var_value//\]/\\]}"
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echo "$var_value"
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}
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update_config_var() {
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local config_path=$1
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local var_name=$2
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local var_value=$3
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local is_multiple=$4
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local masklist=("TLSPSKIdentity")
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if [ ! -f "$config_path" ]; then
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echo "**** Configuration file '$config_path' does not exist"
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return
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fi
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if [[ " ${masklist[@]} " =~ " $var_name " ]] && [ ! -z "$var_value" ]; then
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echo -n "** Updating '$config_path' parameter \"$var_name\": '****'. Enable DEBUG_MODE to view value ..."
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else
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echo -n "** Updating '$config_path' parameter \"$var_name\": '$var_value'..."
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fi
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# Remove configuration parameter definition in case of unset parameter value
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if [ -z "$var_value" ]; then
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sed -i -e "/^$var_name=/d" "$config_path"
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echo "removed"
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return
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fi
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# Remove value from configuration parameter in case of double quoted parameter value
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if [ "$var_value" == '""' ]; then
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sed -i -e "/^$var_name=/s/=.*/=/" "$config_path"
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echo "undefined"
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return
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fi
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# Use full path to a file for TLS related configuration parameters
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if [[ $var_name =~ ^TLS.*File$ ]] && [[ ! $var_value =~ ^/.+$ ]]; then
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var_value=$ZABBIX_USER_HOME_DIR/enc/$var_value
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fi
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# Escaping characters in parameter value and name
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var_value=$(escape_spec_char "$var_value")
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var_name=$(escape_spec_char "$var_name")
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if [ "$(grep -E "^$var_name=" $config_path)" ] && [ "$is_multiple" != "true" ]; then
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sed -i -e "/^$var_name=/s/=.*/=$var_value/" "$config_path"
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echo "updated"
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elif [ "$(grep -Ec "^# $var_name=" $config_path)" -gt 1 ]; then
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sed -i -e "/^[#;] $var_name=$/i\\$var_name=$var_value" "$config_path"
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echo "added first occurrence"
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else
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sed -i -e "/^[#;] $var_name=/s/.*/&\n$var_name=$var_value/" "$config_path"
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echo "added"
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fi
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}
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update_config_multiple_var() {
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local config_path=$1
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local var_name=$2
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local var_value=$3
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var_value="${var_value%\"}"
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var_value="${var_value#\"}"
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local IFS=,
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local OPT_LIST=($var_value)
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for value in "${OPT_LIST[@]}"; do
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update_config_var $config_path $var_name $value true
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done
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}
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update_zbx_config() {
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echo "** Preparing Zabbix proxy configuration file"
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ZBX_CONFIG=$ZABBIX_ETC_DIR/zabbix_proxy.conf
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update_config_var $ZBX_CONFIG "ProxyMode" "${ZBX_PROXYMODE}"
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update_config_var $ZBX_CONFIG "Server" "${ZBX_SERVER_HOST}"
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if [ -z "${ZBX_HOSTNAME}" ] && [ -n "${ZBX_HOSTNAMEITEM}" ]; then
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update_config_var $ZBX_CONFIG "Hostname" ""
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update_config_var $ZBX_CONFIG "HostnameItem" "${ZBX_HOSTNAMEITEM}"
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else
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update_config_var $ZBX_CONFIG "Hostname" "${ZBX_HOSTNAME:-"zabbix-proxy-sqlite3"}"
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update_config_var $ZBX_CONFIG "HostnameItem" "${ZBX_HOSTNAMEITEM}"
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fi
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update_config_var $ZBX_CONFIG "ListenIP" "${ZBX_LISTENIP}"
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update_config_var $ZBX_CONFIG "ListenPort" "${ZBX_LISTENPORT}"
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update_config_var $ZBX_CONFIG "ListenBacklog" "${ZBX_LISTENBACKLOG}"
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update_config_var $ZBX_CONFIG "SourceIP" "${ZBX_SOURCEIP}"
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update_config_var $ZBX_CONFIG "LogType" "console"
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update_config_var $ZBX_CONFIG "LogFile"
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update_config_var $ZBX_CONFIG "LogFileSize"
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update_config_var $ZBX_CONFIG "PidFile"
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update_config_var $ZBX_CONFIG "DebugLevel" "${ZBX_DEBUGLEVEL}"
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update_config_var $ZBX_CONFIG "EnableRemoteCommands" "${ZBX_ENABLEREMOTECOMMANDS}"
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update_config_var $ZBX_CONFIG "LogRemoteCommands" "${ZBX_LOGREMOTECOMMANDS}"
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update_config_var $ZBX_CONFIG "DBHost"
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: ${ZBX_USE_NODE_NAME_AS_DB_NAME:="false"}
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if [ "${ZBX_USE_NODE_NAME_AS_DB_NAME,,}" == "false" ]; then
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update_config_var $ZBX_CONFIG "DBName" "/var/lib/zabbix/db_data/${ZBX_HOSTNAME:-"zabbix-proxy-sqlite3"}.sqlite"
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else
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node_name=$(uname -n)
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update_config_var $ZBX_CONFIG "DBName" "/var/lib/zabbix/db_data/$node_name.sqlite"
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fi
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update_config_var $ZBX_CONFIG "DBUser"
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update_config_var $ZBX_CONFIG "DBPort"
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update_config_var $ZBX_CONFIG "DBPassword"
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update_config_var $ZBX_CONFIG "MaxConcurrentChecksPerPoller" "${ZBX_MAXCONCURRENTCHECKSPERPOLLER}"
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update_config_var $ZBX_CONFIG "ProxyBufferMode" "${ZBX_PROXYBUFFERMODE}"
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update_config_var $ZBX_CONFIG "ProxyMemoryBufferAge" "${ZBX_PROXYMEMORYBUFFERAGE}"
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update_config_var $ZBX_CONFIG "ProxyMemoryBufferSize" "${ZBX_PROXYMEMORYBUFFERSIZE}"
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update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
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update_config_var $ZBX_CONFIG "ProxyOfflineBuffer" "${ZBX_PROXYOFFLINEBUFFER}"
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update_config_var $ZBX_CONFIG "ProxyConfigFrequency" "${ZBX_PROXYCONFIGFREQUENCY}"
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update_config_var $ZBX_CONFIG "DataSenderFrequency" "${ZBX_DATASENDERFREQUENCY}"
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update_config_var $ZBX_CONFIG "StatsAllowedIP" "${ZBX_STATSALLOWEDIP}"
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update_config_var $ZBX_CONFIG "StartPreprocessors" "${ZBX_STARTPREPROCESSORS}"
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update_config_var $ZBX_CONFIG "StartAgentPollers" "${ZBX_STARTAGENTPOLLERS}"
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update_config_var $ZBX_CONFIG "StartPollers" "${ZBX_STARTPOLLERS}"
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update_config_var $ZBX_CONFIG "StartIPMIPollers" "${ZBX_IPMIPOLLERS}"
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update_config_var $ZBX_CONFIG "StartPollersUnreachable" "${ZBX_STARTPOLLERSUNREACHABLE}"
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update_config_var $ZBX_CONFIG "StartTrappers" "${ZBX_STARTTRAPPERS}"
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update_config_var $ZBX_CONFIG "StartPingers" "${ZBX_STARTPINGERS}"
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update_config_var $ZBX_CONFIG "StartDiscoverers" "${ZBX_STARTDISCOVERERS}"
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update_config_var $ZBX_CONFIG "StartHTTPAgentPollers" "${ZBX_STARTHTTPAGENTPOLLERS}"
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update_config_var $ZBX_CONFIG "StartHTTPPollers" "${ZBX_STARTHTTPPOLLERS}"
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update_config_var $ZBX_CONFIG "StartODBCPollers" "${ZBX_STARTODBCPOLLERS}"
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update_config_var $ZBX_CONFIG "StartSNMPPollers" "${ZBX_STARTSNMPPOLLERS}"
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: ${ZBX_JAVAGATEWAY_ENABLE:="false"}
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if [ "${ZBX_JAVAGATEWAY_ENABLE,,}" == "true" ]; then
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update_config_var $ZBX_CONFIG "JavaGateway" "${ZBX_JAVAGATEWAY:-"zabbix-java-gateway"}"
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update_config_var $ZBX_CONFIG "JavaGatewayPort" "${ZBX_JAVAGATEWAYPORT}"
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update_config_var $ZBX_CONFIG "StartJavaPollers" "${ZBX_STARTJAVAPOLLERS:-"5"}"
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else
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update_config_var $ZBX_CONFIG "JavaGateway"
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update_config_var $ZBX_CONFIG "JavaGatewayPort"
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update_config_var $ZBX_CONFIG "StartJavaPollers"
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fi
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update_config_var $ZBX_CONFIG "StartVMwareCollectors" "${ZBX_STARTVMWARECOLLECTORS}"
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update_config_var $ZBX_CONFIG "VMwareFrequency" "${ZBX_VMWAREFREQUENCY}"
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update_config_var $ZBX_CONFIG "VMwarePerfFrequency" "${ZBX_VMWAREPERFFREQUENCY}"
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update_config_var $ZBX_CONFIG "VMwareCacheSize" "${ZBX_VMWARECACHESIZE}"
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update_config_var $ZBX_CONFIG "VMwareTimeout" "${ZBX_VMWARETIMEOUT}"
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: ${ZBX_ENABLE_SNMP_TRAPS:="false"}
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if [ "${ZBX_ENABLE_SNMP_TRAPS,,}" == "true" ]; then
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update_config_var $ZBX_CONFIG "SNMPTrapperFile" "${ZABBIX_USER_HOME_DIR}/snmptraps/snmptraps.log"
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update_config_var $ZBX_CONFIG "StartSNMPTrapper" "1"
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else
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update_config_var $ZBX_CONFIG "SNMPTrapperFile"
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update_config_var $ZBX_CONFIG "StartSNMPTrapper"
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fi
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update_config_var $ZBX_CONFIG "SocketDir" "/tmp/"
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update_config_var $ZBX_CONFIG "HousekeepingFrequency" "${ZBX_HOUSEKEEPINGFREQUENCY}"
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update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
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update_config_var $ZBX_CONFIG "StartDBSyncers" "${ZBX_STARTDBSYNCERS}"
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update_config_var $ZBX_CONFIG "HistoryCacheSize" "${ZBX_HISTORYCACHESIZE}"
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update_config_var $ZBX_CONFIG "HistoryIndexCacheSize" "${ZBX_HISTORYINDEXCACHESIZE}"
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update_config_var $ZBX_CONFIG "Timeout" "${ZBX_TIMEOUT}"
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update_config_var $ZBX_CONFIG "TrapperTimeout" "${ZBX_TRAPPERTIMEOUT}"
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update_config_var $ZBX_CONFIG "UnreachablePeriod" "${ZBX_UNREACHABLEPERIOD}"
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update_config_var $ZBX_CONFIG "UnavailableDelay" "${ZBX_UNAVAILABLEDELAY}"
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update_config_var $ZBX_CONFIG "UnreachableDelay" "${ZBX_UNREACHABLEDELAY}"
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update_config_var $ZBX_CONFIG "AlertScriptsPath" "/usr/lib/zabbix/alertscripts"
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update_config_var $ZBX_CONFIG "ExternalScripts" "/usr/lib/zabbix/externalscripts"
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update_config_var $ZBX_CONFIG "FpingLocation" "/usr/bin/fping"
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update_config_var $ZBX_CONFIG "Fping6Location"
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update_config_var $ZBX_CONFIG "SSHKeyLocation" "$ZABBIX_USER_HOME_DIR/ssh_keys"
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update_config_var $ZBX_CONFIG "LogSlowQueries" "${ZBX_LOGSLOWQUERIES}"
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update_config_var $ZBX_CONFIG "SSLCertLocation" "$ZABBIX_USER_HOME_DIR/ssl/certs/"
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update_config_var $ZBX_CONFIG "SSLKeyLocation" "$ZABBIX_USER_HOME_DIR/ssl/keys/"
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update_config_var $ZBX_CONFIG "SSLCALocation" "$ZABBIX_USER_HOME_DIR/ssl/ssl_ca/"
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update_config_var $ZBX_CONFIG "LoadModulePath" "$ZABBIX_USER_HOME_DIR/modules/"
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update_config_multiple_var $ZBX_CONFIG "LoadModule" "${ZBX_LOADMODULE}"
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update_config_var $ZBX_CONFIG "TLSConnect" "${ZBX_TLSCONNECT}"
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update_config_var $ZBX_CONFIG "TLSAccept" "${ZBX_TLSACCEPT}"
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update_config_var $ZBX_CONFIG "TLSCAFile" "${ZBX_TLSCAFILE}"
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update_config_var $ZBX_CONFIG "TLSCRLFile" "${ZBX_TLSCRLFILE}"
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update_config_var $ZBX_CONFIG "TLSServerCertIssuer" "${ZBX_TLSSERVERCERTISSUER}"
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update_config_var $ZBX_CONFIG "TLSServerCertSubject" "${ZBX_TLSSERVERCERTSUBJECT}"
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update_config_var $ZBX_CONFIG "TLSCertFile" "${ZBX_TLSCERTFILE}"
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update_config_var $ZBX_CONFIG "TLSCipherAll" "${ZBX_TLSCIPHERALL}"
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update_config_var $ZBX_CONFIG "TLSCipherAll13" "${ZBX_TLSCIPHERALL13}"
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update_config_var $ZBX_CONFIG "TLSCipherCert" "${ZBX_TLSCIPHERCERT}"
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update_config_var $ZBX_CONFIG "TLSCipherCert13" "${ZBX_TLSCIPHERCERT13}"
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update_config_var $ZBX_CONFIG "TLSCipherPSK" "${ZBX_TLSCIPHERPSK}"
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update_config_var $ZBX_CONFIG "TLSCipherPSK13" "${ZBX_TLSCIPHERPSK13}"
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update_config_var $ZBX_CONFIG "TLSKeyFile" "${ZBX_TLSKEYFILE}"
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update_config_var $ZBX_CONFIG "TLSPSKIdentity" "${ZBX_TLSPSKIDENTITY}"
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update_config_var $ZBX_CONFIG "TLSPSKFile" "${ZBX_TLSPSKFILE}"
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if [ "$(id -u)" != '0' ]; then
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update_config_var $ZBX_CONFIG "User" "$(whoami)"
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else
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update_config_var $ZBX_CONFIG "AllowRoot" "1"
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fi
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}
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prepare_proxy() {
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echo "Preparing Zabbix proxy"
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update_zbx_config
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}
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#################################################
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if [ "${1#-}" != "$1" ]; then
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set -- /usr/sbin/zabbix_proxy "$@"
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fi
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if [ "$1" == '/usr/sbin/zabbix_proxy' ]; then
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prepare_proxy
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fi
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exec "$@"
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#################################################
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