Vivesh

Posted on Feb 4

Cloud-Native Monitoring Tools

#cloud #cloudnative #tooling #devops

Cloud-native monitoring tools help observe, analyze, and manage applications and infrastructure in cloud environments. These tools are designed to scale dynamically, support distributed architectures, and provide real-time insights.

🔍 Key Cloud-Native Monitoring Tools

Tool	Use Case	Key Features
Prometheus	Metrics collection & alerting	Pull-based scraping, TSDB storage, PromQL queries
Grafana	Data visualization & dashboards	Multi-source integration, alerts, customizable UI
OpenTelemetry	Observability framework	Traces, logs, metrics, vendor-agnostic
Datadog	Full-stack monitoring	APM, logs, AI-based anomaly detection
New Relic	Application performance monitoring (APM)	Auto-instrumentation, distributed tracing
AWS CloudWatch	Native AWS monitoring	Logs, alarms, event-driven actions
Azure Monitor	Microsoft Azure monitoring	Application Insights, Kusto Query Language (KQL)
Google Cloud Operations Suite (Stackdriver)	Google Cloud monitoring	Log-based metrics, tracing, performance insights
Jaeger	Distributed tracing	Open-source, integrates with OpenTelemetry
Elastic Stack (ELK)	Log management & analytics	Elasticsearch, Logstash, Kibana for log analysis

📊 Key Features of Cloud-Native Monitoring

Scalability → Handles dynamic workloads in microservices & Kubernetes.
Observability → Supports logs, metrics, and traces.
Alerting & Automation → Detects anomalies & triggers actions.
Integration → Works with various cloud platforms & DevOps tools.

Task: Set up a cloud-native monitoring tool for your applications.

Here are a few options:

Prometheus & Grafana – Best for Kubernetes and cloud-native metrics.
AWS CloudWatch – Ideal for monitoring AWS services.
Datadog – Great for full-stack monitoring with APM and logs.
OpenTelemetry & Jaeger – Best for distributed tracing.
Elastic Stack (ELK) – Powerful for centralized log management.

1. Prometheus & Grafana (For Kubernetes & Cloud-Native Metrics)

Step 1: Deploy Prometheus on Kubernetes

apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: example-monitor
  labels:
    release: prometheus
spec:
  selector:
    matchLabels:
      app: my-app
  endpoints:
    - port: http
      path: /metrics

Install Prometheus Operator:

  kubectl apply -f https://github.com/prometheus-operator/prometheus-operator/releases/latest/download/bundle.yaml

Deploy Prometheus & ServiceMonitor to scrape your app metrics.

Step 2: Deploy Grafana and Configure Dashboards

Install Grafana via Helm:

  helm repo add grafana https://grafana.github.io/helm-charts
  helm install grafana grafana/grafana

Connect Prometheus as a data source in Grafana and import prebuilt dashboards.

2. AWS CloudWatch (For AWS Services Monitoring)

Step 1: Install CloudWatch Agent on EC2

sudo yum install amazon-cloudwatch-agent
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-config-wizard

The wizard helps you configure logs, metrics, and custom events.

Step 2: Enable Container Insights for EKS

aws eks update-cluster-config --name my-cluster --logging '{"clusterLogging":[{"types":["api","audit","authenticator"],"enabled":true}]}'

This enables EKS monitoring and logs in CloudWatch.

3. Datadog (Full-Stack Observability & APM)

Step 1: Install the Datadog Agent on Kubernetes

helm repo add datadog https://helm.datadoghq.com
helm install datadog-agent datadog/datadog --set datadog.apiKey=<YOUR_API_KEY>

Configure logs and APM tracing for microservices.

Step 2: Enable Log Forwarding

apiVersion: apps/v1
kind: Deployment
metadata:
  name: app
spec:
  template:
    spec:
      containers:
        - name: app
          env:
            - name: DD_LOGS_ENABLED
              value: "true"
            - name: DD_LOGS_CONFIG_CONTAINER_COLLECT_ALL
              value: "true"

This enables log forwarding to Datadog.

4. OpenTelemetry & Jaeger (Distributed Tracing)

Step 1: Deploy OpenTelemetry Collector

kubectl apply -f https://github.com/open-telemetry/opentelemetry-operator/releases/latest/download/otel-operator.yaml

This installs OpenTelemetry Operator in Kubernetes.

Step 2: Configure Tracing in Application

from opentelemetry import trace
from opentelemetry.sdk.trace.export import BatchSpanProcessor
from opentelemetry.exporter.jaeger.thrift import JaegerExporter

tracer = trace.get_tracer_provider().get_tracer(__name__)
jaeger_exporter = JaegerExporter(agent_host_name="jaeger", agent_port=6831)
span_processor = BatchSpanProcessor(jaeger_exporter)
tracer.add_span_processor(span_processor)

This sends traces to Jaeger for visualization.

Step 3: Deploy Jaeger UI

kubectl create namespace observability
kubectl apply -f https://github.com/jaegertracing/jaeger-operator/releases/latest/download/jaeger-operator.yaml

Access Jaeger UI at http://localhost:16686/.

5. Elastic Stack (ELK) – Centralized Log Management

Step 1: Deploy Elasticsearch & Kibana

helm repo add elastic https://helm.elastic.co
helm install elasticsearch elastic/elasticsearch
helm install kibana elastic/kibana

Elasticsearch stores logs, and Kibana provides visualization.

Step 2: Configure Filebeat for Log Shipping

filebeat.inputs:
  - type: log
    paths:
      - /var/log/*.log
output.elasticsearch:
  hosts: ["elasticsearch:9200"]

filebeat setup -e
service filebeat start

Filebeat forwards logs to Elasticsearch.

Final Thoughts

Prometheus & Grafana → Best for Kubernetes & cloud-native metrics.
AWS CloudWatch → Best for AWS services and infrastructure logs.
Datadog → Full-stack monitoring, including logs & APM.
OpenTelemetry & Jaeger → Best for distributed tracing.
ELK Stack → Best for centralized logging across environments.

Happy Learning !!!

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