Zabbix module to monitor read-only ext4 filesystem

How to build:

cd <zabbix-src> && ./configure
cd ./src/modules
git pull https://github.com/am813nt/zabbix-fs-ro
cd zabbix-fs-ro && make

How to install:

Copy <zabbix-src>/src/modules/zabbix-fs-ro/fs_ro.so zabbix-agent's LoadModulePath
Add LoadModule=fs_ro.so to zabbix_agentd.conf
Restart zabbix-agent

How to verify:

zabbix_agentd -t fs_ro.status

Description

Key is fs_ro.status. It returns 1 if there is ext4 read-only filesystem and 0 otherwise. Based on that values trigger can be easily added.