Nagios-ES

Description

This is a Nagios plugin that checks the status of Elasticsearch cluster.

Build

go build -o check_es .

Usage

check_es --es_url=http://<domain>:<port> --check=<check_name> --w=50 --c=90

Options

• es_url: Elasticsearch URL (format: http://:)
• check: Check name
  • health: Check cluster health
  • node_count: Overall nodes count (W/C required)
  • data_node_count: Check data nodes count (W/C required)
  • cpu_usage: Check node CPU usage (W/C required)
    • If filter will be used, it will check the CPU usage of the specific node
    • If filter is not used, it will check the maximum CPU usage of all nodes
  • heap_size: Check node Head usage (W/C required)
    • If filter will be used, it will check the Heap usage of the specific node
    • If filter is not used, it will check the maximum Heap usage of all nodes
  • disk_usage: Check node Disk usage (W/C required)
    • If filter will be used, it will check the Disk usage of the specific node
    • If filter is not used, it will check the maximum Disk usage of all nodes
• w: Warning threshold
• c: Critical threshold For filtering node specific checks, you can use the following options:
• node_ip: Node IP address for node specific checks
• node_name: Node name for node specific checks

Example

./check_es --es_url=http://<domain>:<port> --check=health

OK Output:

OK: Cluster health is green | 'time'=19ms;;;;

Warning Output:

WARNING: Cluster health is yellow, relocating shards: 0 | 'active_shards'=5;;;; 'relocating_shards'=0;;;; 'time'=24ms;;;; 'unassigned_shards'=3;;;;