Kubernetes - Health Checks and Probes
Which YAML snippet correctly configures an HTTP liveness probe for a Kubernetes container that checks the
/healthz endpoint on port 8080 every 10 seconds?Which YAML snippet correctly configures an HTTP liveness probe for a Kubernetes container that checks the /healthz endpoint on port 8080 every 10 seconds?
easy📝 Configuration Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the probe type
The question asks for an HTTP liveness probe, so the key must belivenessProbewith anhttpGetaction.Step 2: Check the path and port
The probe should check the/healthzpath on port 8080, which is correctly specified in livenessProbe: httpGet: path: /healthz port: 8080 periodSeconds: 10.Step 3: Verify the periodSeconds
livenessProbe: httpGet: path: /healthz port: 8080 periodSeconds: 10 setsperiodSeconds: 10, matching the requirement to check every 10 seconds.Final Answer:
livenessProbe: httpGet: path: /healthz port: 8080 periodSeconds: 10 correctly configures the HTTP liveness probe.Quick Check:
Probe type and HTTP path/port correct [OK]
Quick Trick: Use livenessProbe with httpGet, specify path and port [OK]
Common Mistakes:
- Using readinessProbe instead of livenessProbe
- Using exec or tcpSocket instead of httpGet
- Incorrect indentation or missing keys
- Wrong port or path specified
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