Kubernetes - Health Checks and Probes
Identify the error in this liveness probe configuration:
livenessProbe:
exec:
command: curl -f http://localhost/healthz
initialDelaySeconds: 10
periodSeconds: 5
Identify the error in this liveness probe configuration: livenessProbe: exec: command: curl -f http://localhost/healthz initialDelaySeconds: 10 periodSeconds: 5
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Check exec command syntax
The exec command must be an array of strings, e.g., ["curl", "-f", "http://localhost/healthz"].Step 2: Validate other fields
initialDelaySeconds and periodSeconds values are valid; exec probe can use curl if properly formatted.Final Answer:
Command should be an array of strings, not a single string -> Option DQuick Check:
Exec command requires string array [OK]
Quick Trick: Exec command must be array of strings [OK]
Common Mistakes:
- Using single string instead of array for exec command
- Incorrect assumptions about delay or period values
- Thinking exec cannot run curl
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