nfs_exporter_2022_02

command module
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Published: Feb 17, 2022 License: Apache-2.0 Imports: 10 Imported by: 0

README

nfs_exporter

NFS exporter for Prometheus

Installation

go get -u -v github.com/aixeshunter/nfs_exporter

./${GOPATH}/bin/nfs_exporter --${flags} ...

Usage of nfs_exporter

Option Default Description
-h, --help - Displays usage.
--web.listen-address :9689 The address to listen on for HTTP requests.
--web.metrics-path /metrics URL Endpoint for metrics
--nfs.storage-path /opt/nfs The nfs storage mount path
--nfs.address 127.0.0.1 The nfs server IP address
--nfs.executable-path /usr/sbin/showmount Path to showmount executable.
--log.format logger:stderr Set the log target and format. Example: "logger:syslog?appname=bob&local=7" or "logger:stdout?json=true"
--log.level info Only log messages with the given severity or above. Valid levels: [debug, info, warn, error, fatal]
--version - Prints version information

Make

promu:  make prometheus library
build:  Go build
docker: build and run in docker container
gotest: run go tests and reformats
format: formatting code
vet:    vetting code

build: runs go build for nfs_exporter

docker: runs docker build and copy new built nfs_exporter

gotest: runs vet and fmt go tools

Metrics

Command: showmount -e ${NFS_SERVER_IP}
Name type impl. state
up Gauge implemented
# TYPE nfs_up gauge
# HELP nfs_up Was the last query of NFS successful.
nfs_up{mount_path=" /mnt",nfs_address="192.168.0.2"} 0
nfs_up{mount_path=" /opt",nfs_address="192.168.0.3"} 0
nfs_up{mount_path="/opt/nfs",nfs_address="192.168.0.3"} 1

NFS-exporter of Prometheus Operator Kubernetes Cluster

YAML File in Kubernetes

Pod <- Service <- ServiceMonitor
nfs-exporter-service-monitor.yaml
nfs-exporter-service.yaml
nfs-exporter-deploy.yaml
Points

NFS server config in deployment.yaml

      containers:
      - name: nfs-exporter
      
        image: aixeshunter/nfs_exporter:v1.0
        args:
        - "--nfs.storage-path=/opt/nfs1, /opt/nfs2, /opt/nfs3"   # NFS storage mount path
        - "--nfs.address=192.168.0.2"                            # NFS server IP address
        ports:
        - name: http-metrics
          containerPort: 9689

Documentation

Overview

NFS exporter, exports metrics from Linux commandline tool like showmount.

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