Amazon EC2 Metrics to KloudMate With Host Metrics Receiver

2min
This document provides a guide on gathering EC2 Linux metrics using the OpenTelemetry host metrics receiver. Additionally, this receiver can assist in capturing metrics on a per-process basis from applications running within the EC2 instance.
Step 1: Prerequisites:
Install the OpenTelemetry collector on the EC2 instance that requires metric monitoring. See Installing and Configuring OpenTelemetry Collector.
Step 2: Configure the host metrics receiver on the OpenTelemetry configuration file to send metrics.
Go to the /etc/otel directory and change config.yaml
YAML
receivers:
  hostmetrics:
    collection_interval: 5s
    scrapers:
      cpu:
      memory:
      disk:
      filesystem:
        metrics:
          system.filesystem.utilization:   
            enabled: true
          system.filesystem.usage:
            enabled: true
          system.filesystem.inodes.usage:       
            enabled: true  
      network:
      load:
      paging:
      processes:      
      process:
        metrics:
          process.cpu.utilization:
            enabled: true
          process.memory.usage:
            enabled: true
          process.cpu.time:
            enabled: true
          process.disk.io:
            enabled: true
          process.memory.virtual:
            enabled: true     
          process.memory.utilization:
            enabled: true
        mute_process_exe_error: true
        mute_process_io_error: true
        mute_process_name_error: true
receivers:
  hostmetrics:
    collection_interval: 5s
    scrapers:
      cpu:
      memory:
      disk:
      filesystem:
        metrics:
          system.filesystem.utilization:   
            enabled: true
          system.filesystem.usage:
            enabled: true
          system.filesystem.inodes.usage:       
            enabled: true  
      network:
      load:
      paging:
      processes:      
      process:
        metrics:
          process.cpu.utilization:
            enabled: true
          process.memory.usage:
            enabled: true
          process.cpu.time:
            enabled: true
          process.disk.io:
            enabled: true
          process.memory.virtual:
            enabled: true     
          process.memory.utilization:
            enabled: true
        mute_process_exe_error: true
        mute_process_io_error: true
        mute_process_name_error: true
﻿
 Step 3: Set up the KloudMate Backend on the exporter part of the OpenTelemetry configuration file and configure the pipeline.
YAML
exporters:
  otlphttp:
    endpoint: 'https://otel.kloudmate.com:4318'
    headers:
      Authorization: XXXXXXXXXXXXXXXXXXX
service:
  pipelines:
    metrics:
      receivers:
      - hostmetrics
      exporters:
      - otlphttp
exporters:
  otlphttp:
    endpoint: 'https://otel.kloudmate.com:4318'
    headers:
      Authorization: XXXXXXXXXXXXXXXXXXX
service:
  pipelines:
    metrics:
      receivers:
      - hostmetrics
      exporters:
      - otlphttp
﻿
Step 4: Execute the provided command to restart and verify the status of the OpenTelemetry Collector. Subsequently, monitor metrics on the KloudMate dashboard. Additionally, configure an alarm in KloudMate to receive notifications when CPU utilization for a specific application rises.
Text
sudo systemctl restart otelcol-contrib
sudo systemctl status otelcol-contrib
sudo systemctl restart otelcol-contrib
sudo systemctl status otelcol-contrib
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