This Alertmanager config snippet causes an error: receivers: - name: 'ops' slack_configs: - channel: '#alerts' routes: - receiver: 'ops' match_re: severity: '^(critical|warning)$' What is the likely cause?

medium📝 Debug Q7 of 15

Kubernetes - Monitoring and Logging

AMissing 'group_by' field in route

BInvalid regex syntax in 'match_re'

CIncorrect indentation of 'slack_configs' list under 'receivers'

DReceiver name 'ops' is not allowed

Step-by-Step Solution

Solution:

Step 1: Check YAML indentation for 'slack_configs'
'slack_configs' must be a list under 'receivers' with correct indentation.
Step 2: Identify indentation error
In the snippet, 'slack_configs' is indented incorrectly; it should be indented two spaces under 'name', but here it is indented four spaces, causing a YAML error.
Step 3: Re-examine options
Regex syntax is valid, 'group_by' is optional, and 'ops' is a valid name.
Final Answer:
Incorrect indentation of 'slack_configs' list under 'receivers' -> Option C
Quick Check:
YAML indentation errors cause config failures [OK]

Quick Trick: YAML indentation errors cause Alertmanager config failures [OK]

Common Mistakes:

Misreading regex as invalid
Assuming 'group_by' is mandatory
Thinking receiver names have restrictions

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This Alertmanager config snippet causes an error: receivers: - name: 'ops' slack_configs: - channel: '#alerts' routes: - receiver: 'ops' match_re: severity: '^(critical|warning)$' What is the likely cause?

Step 1: Check YAML indentation for 'slack_configs'

Step 2: Identify indentation error

Step 3: Re-examine options

Final Answer:

Quick Check:

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