Kubernetes - Service Mesh
Which of the following is the correct syntax to enable Prometheus metrics scraping in Istio's sidecar proxy configuration?
Which of the following is the correct syntax to enable Prometheus metrics scraping in Istio's sidecar proxy configuration?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Istio annotation for Prometheus scraping
Istio uses Kubernetes pod annotations like 'prometheus.io/scrape: "true"' to enable Prometheus scraping on pods.Step 2: Verify other options
enableMetrics: true, prometheusScrape: enabled, and metrics.enabled: true are not valid Kubernetes annotations or Istio configuration keys for enabling Prometheus scraping.Final Answer:
prometheus.io/scrape: 'true' -> Option CQuick Check:
Prometheus scraping annotation = prometheus.io/scrape: 'true' [OK]
Quick Trick: Use prometheus.io/scrape: 'true' annotation for scraping [OK]
Common Mistakes:
- Using incorrect or non-existent config keys
- Confusing config flags with annotations
- Missing quotes around 'true'
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