Script que fazer um check se o host existe no Zabbix

HostExist/HostExist.sh

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+#!/bin/sh
+#
+# Script faz o check se o host existe ou nao no Zabbix - API ZABBIX
+#
+# Luiz Sales - [email protected]
+# redhate.me - lsales.biz
+#
+# 14/10/15
+#
+
+
+API='http://localhost/api_jsonrpc.php'
+
+# CONSTANT VARIABLES
+ZABBIX_USER=""
+ZABBIX_PASS=""
+
+NAME=$1
+help()	{
+	echo
+	echo "$0 <host>"
+	echo
+	echo
+}
+
+authenticate()
+{
+    wget -O- -o /dev/null $API --header 'Content-Type: application/json-rpc' --post-data "{
+        \"jsonrpc\": \"2.0\",
+        \"method\": \"user.login\",
+        \"params\": {
+                \"user\": \"$ZABBIX_USER\",
+                \"password\": \"$ZABBIX_PASS\"},
+        \"id\": 0}" | cut -d'"' -f8
+}
+AUTH_TOKEN=$(authenticate)
+
+get_host_id() {
+  wget -O- -o /dev/null $API --header 'Content-Type: application/json-rpc' --post-data "{
+
+    \"jsonrpc\": \"2.0\",
+    \"method\": \"host.get\",
+    \"params\": {
+        \"output\": \"extend\",
+          \"filter\": {
+            \"host\" : [ \"$NAME\" ] }
+    },
+    \"auth\": \"$AUTH_TOKEN\",
+    \"id\": 2 }"
+}
+get_name_id() {
+  wget -O- -o /dev/null $API --header 'Content-Type: application/json-rpc' --post-data "{
+
+    \"jsonrpc\": \"2.0\",
+    \"method\": \"host.get\",
+    \"params\": {
+        \"output\": \"extend\",
+          \"filter\": {
+            \"name\" : [ \"$NAME\" ] }
+    },
+    \"auth\": \"$AUTH_TOKEN\",
+    \"id\": 2 }"
+}
+
+HOSTID=$(get_host_id | awk -v RS='{"' -F\" '/^hostid/ {print $3}')
+NAMEID=$(get_name_id | awk -v RS='{"' -F\" '/^hostid/ {print $3}')
+
+if [ -z $HOSTID ] && [ -z $NAMEID ];then
+	echo "Host: $1 Nao Existe no Zabbix"
+	else
+	echo "Host: $1 Existe"
+fi
+