zabbix-helpers/check_dns_records/zabbix_create_host.sh
2024-11-06 10:16:00 +03:00

213 lines
7.2 KiB
Bash
Executable File
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/bin/bash
###################################################################
#
# Скрипт для работы с Zabbix Rest API
# Позволяет создавать группу узлов, шаблон, узел.
# Создан по мотивам
# https://www.reddit.com/r/zabbix/comments/bhdhgq/zabbix_api_example_using_just_bash_curl_and_jq/
#
# Автор: Сергей Калинин
# https://nuk-svk.ru
# svk@nuk-svk.ru
#####################################################################
#
# Использование:
# ./zabbix_create_host.sh
#
# Запуск без параметров создаст группу узлов, шаблон и узел если они
# отсутствуют. Данные берутся из переменных окружения
#####################################################################
#####################################################################
# Custom variables
BIN_DIR=${BIN_DIR:-/usr/local/bin}
ETC_DIR=${ETC_DIR:-/usr/local/etc}
LIB_DIR=${LIB_DIR:-/usr/local/lib}
zabbixServer=${ZABBIX_SERVER:-'http://zabbix.example.com'}
zabbixUsername=${ZABBIX_USER}
zabbixPassword=${ZABBIX_PASSWORD}
zabbixHostGroup=${ZABBIX_HOST_GROUP:-'Virtual Hosts'}
ZABBIX_HOST_NAME=${ZABBIX_HOST:-"DNS records check"}
ZABBIX_TEMPLATE_NAME=${ZABBIX_TEMPLATE_NAME:-"Template_DNS_Check"}
#End of custom variables
#####################################################################
header='Content-Type:application/json'
zabbixApiUrl="$zabbixServer/api_jsonrpc.php"
function exit_with_error() {
echo '********************************'
echo "$errorMessage"
echo '--------------------------------'
echo 'INPUT'
echo '--------------------------------'
echo "$json"
echo '--------------------------------'
echo 'OUTPUT'
echo '--------------------------------'
echo "$result"
echo '********************************'
exit 1
}
#####################################################################
# Auth to zabbix
# https://www.zabbix.com/documentation/3.4/manual/api/reference/user/login
function auth() {
errorMessage='*ERROR* - Unable to get Zabbix authorization token'
json=$(cat ${LIB_DIR}/user.login.json)
json=${json/USER/$zabbixUsername}
json=${json/PASSWORD/$zabbixPassword}
#echo $json
result=$(curl --silent --show-error --insecure --header $header --data "$json" $zabbixApiUrl)
auth=$(echo $result | jq '.result')
echo "Auth: $auth"
if [ -z "$auth" ]; then
exit_with_error
fi
echo "Login successful - Auth ID: $auth"
}
#####################################################################
# Create hostgroup
function create_host_group() {
if [ -z "$auth" ]; then
auth
fi
errorMessage="*ERROR* - Unable to create hostgroup ID for host group named '$zabbixHostGroup'"
json=`cat ${LIB_DIR}/hostgroup.create.json`
json=${json/HOSTGROUP/$zabbixHostGroup}
json=${json/AUTHID/$auth}
result=`curl --silent --show-error --insecure --header $header --data "$json" $zabbixApiUrl`
HOSTGROUP_ID=`echo $result | jq -r '.result | .groupids | .[0]'`
if [ "$HOSTGROUP_ID" == "null" ]; then
exit_with_error
fi
echo "Hostgroup '$zabbixHostGroup' was created with ID: $HOSTGROUP_ID"
}
#####################################################################
# Get hostgroup
function get_host_group() {
if [ -z "$auth" ]; then
auth
fi
errorMessage="*ERROR* - Unable to get hostgroup ID for host group named '$zabbixHostGroup'"
json=`cat ${LIB_DIR}/hostgroup.get.json`
json=${json/HOSTGROUP/$zabbixHostGroup}
json=${json/AUTHID/$auth}
result=`curl --silent --show-error --insecure --header $header --data "$json" $zabbixApiUrl`
HOSTGROUP_ID=`echo $result | jq -r '.result | .[0] | .groupid'`
if [ "$HOSTGROUP_ID" == "null" ]; then
create_host_group
fi
echo "Hostgroup ID for '$zabbixHostGroup': $HOSTGROUP_ID"
}
#####################################################################
# Create template
function create_template(){
if [ -z "$auth" ]; then
auth
fi
echo "Creating zabbix template '$ZABBIX_TEMPLATE_NAME'"
errorMessage="*ERROR* - Unable to create Template ID for '$ZABBIX_TEMPLATE_NAME'"
json=`cat ${LIB_DIR}/template.create.json`
TEMPLATE_XML=$(cat ${LIB_DIR}/$ZABBIX_TEMPLATE_NAME.xml)
TEMPLATE_XML="$(echo $TEMPLATE_XML | sed 's/"/\\"/g')"
json=${json/XMLSTRING/$TEMPLATE_XML}
json=${json/AUTHID/$auth}
#echo $json
#echo "curl --silent --show-error --insecure --header $header --data "$json" $zabbixApiUrl"
result=`curl --silent --show-error --insecure --header $header --data "$json" $zabbixApiUrl`
#echo $result
#exit
#RESULT=`echo $result | jq -r '.result'`
if [ "$RESULT" == "null" ]; then
exit_with_error
else
get_template
#echo "Template '$ZABBIX_TEMPLATE_NAME' was created with ID: $TEMPLATE_ID"
fi
}
#####################################################################
# Get template
function get_template(){
if [ -z "$auth" ]; then
auth
fi
errorMessage="*ERROR* - Unable to get Template ID for '$ZABBIX_TEMPLATE_NAME'"
json=`cat ${LIB_DIR}/template.get.json`
json=${json/TEMPLATE_NAME/$ZABBIX_TEMPLATE_NAME}
json=${json/AUTHID/$auth}
result=`curl --silent --show-error --insecure --header $header --data "$json" $zabbixApiUrl`
TEMPLATE_ID=`echo $result | jq -r '.result | .[0] | .templateid'`
if [ "$TEMPLATE_ID" == "null" ]; then
create_template
fi
echo "Template ID for '$ZABBIX_TEMPLATE_NAME': $TEMPLATE_ID"
}
#####################################################################
# Get host
function get_host() {
if [ -z "$auth" ]; then
auth
fi
errorMessage="*ERROR* - Unable to get host ID for host '$zabbixHost'"
json=`cat ${LIB_DIR}/host.get.json`
json=${json/HOSTNAME/$ZABBIX_HOST_NAME}
json=${json/AUTHID/$auth}
#echo $json
result=`curl --silent --show-error --insecure --header $header --data "$json" $zabbixApiUrl`
#echo $result
hostId=`echo $result | jq -r '.result | .[0] | .hostid'`
# if [ "$hostId" == "null" ]; then exit_with_error; fi
# echo "Host ID for '$zabbixHost': $hostId"
if [ "$hostId" == "null" ]; then
create_host
#exit_with_error
else
echo "Host ID for '$zabbixHost': $hostId"
fi
}
#####################################################################
# Create host
function create_host() {
if [ -z "$auth" ]; then
auth
fi
if [ -z "$TEMPLATE_ID" ]; then
get_template
fi
if [ -z "$HOSTGROUP_ID" ]; then
get_host_group
fi
echo "Create host \"$ZABBIX_HOST_NAME\""
errorMessage="*ERROR* - Host '$zabbixHost' does not created"
json=$(cat ${LIB_DIR}/host.create.json)
json=${json/HOSTNAME/$ZABBIX_HOST_NAME}
json=${json/HOSTGROUPID/$HOSTGROUP_ID}
json=${json/TEMPLATE_ID/$TEMPLATE_ID}
json=${json/AUTHID/$auth}
#echo $json
result=`curl --silent --show-error --insecure --header $header --data "$json" $zabbixApiUrl`
#echo $result
HOST_ID=`echo $result | jq -r '.result | .hostids | .[0]'`
if [ -z "$HOST_ID" ]; then
exit_with_error
else
echo "Host \"${ZABBIX_HOST_NAME}\" was created with id $HOST_ID"
fi
}
get_host