Add graylog lab host vars files

This commit adds the three sample host_vars related to the lab's graylog
deployment.

Author: rascasoft

inventory/lab/host_vars/graylog-1.yml

@@ -0,0 +1,8 @@
+---
+
+interconnect_name: 'graylog-1-int'
+interconnect_addr: '192.168.122.21'
+server_weight: 1
+graylog_server_inputbuffer_size: 65536
+graylog_server_is_master: true
+keepalived_vrrp_priority: 110

inventory/lab/host_vars/graylog-2.yml

@@ -0,0 +1,7 @@
+---
+
+interconnect_name: 'graylog-2-int'
+interconnect_addr: '192.168.122.22'
+server_weight: 3
+graylog_server_inputbuffer_size: 65536
+keepalived_vrrp_priority: 100

inventory/lab/host_vars/graylog-3.yml

@@ -0,0 +1,7 @@
+---
+
+interconnect_name: 'graylog-3-int'
+interconnect_addr: '192.168.122.23'
+server_weight: 3
+graylog_server_inputbuffer_size: 65536
+keepalived_vrrp_priority: 120