mirror of
https://github.com/zabbix/zabbix-docker.git
synced 2024-11-30 11:43:09 +01:00
124 lines
3.6 KiB
Bash
Executable File
124 lines
3.6 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 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=$4
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if [ ! -f "$config_path" ]; then
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echo "**** Configuration file '$config_path' does not exist"
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return
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fi
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echo -n "** Updating '$config_path' parameter \"$var_name\": '$var_value'..."
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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 [[ $var_name =~ ^TLS.*File$ ]]; 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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elif [ "$(grep -Ec "^[#;] $var_name=" $config_path)" -gt 0 ]; then
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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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else
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sed -i -e '$a\' -e "$var_name=$var_value" "$config_path"
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echo "added at the end"
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fi
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}
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prepare_zbx_web_service_config() {
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echo "** Preparing Zabbix web service configuration file"
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ZBX_CONFIG=$ZABBIX_ETC_DIR/zabbix_web_service.conf
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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 $ZBX_CONFIG "DebugLevel" "${ZBX_DEBUGLEVEL}"
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: ${ZBX_ALLOWEDIP:="zabbix-server"}
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update_config_var $ZBX_CONFIG "AllowedIP" "${ZBX_ALLOWEDIP}"
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update_config_var $ZBX_CONFIG "ListenPort" "${ZBX_LISTENPORT}"
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update_config_var $ZBX_CONFIG "Timeout" "${ZBX_TIMEOUT}"
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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 $ZBX_CONFIG "TLSCertFile" "${ZBX_TLSCERTFILE}"
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update_config_var $ZBX_CONFIG "TLSKeyFile" "${ZBX_TLSKEYFILE}"
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}
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prepare_web_service() {
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echo "** Preparing Zabbix web service"
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prepare_zbx_web_service_config
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}
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#################################################
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if [ "$1" == '/usr/sbin/zabbix_web_service' ]; then
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prepare_web_service
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fi
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exec "$@"
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#################################################
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