[Solved] You configured Alertmanager but no notifications are sent. Which of these is a likely cause based on this snippet? receivers: - name:... Which of these is a likely cause based on this snippet? | Kubernetes

Kubernetes - Monitoring and Logging

You configured Alertmanager but no notifications are sent. Which of these is a likely cause based on this snippet?

receivers:
  - name: 'team-email'
    email_configs:
      - to: 'team@example.com'
route:
  receiver: 'team-email'
  group_by: ['alertname']
  group_wait: 30s
  group_interval: 5m
  repeat_interval: 1h

AAlertmanager does not support email notifications

BIncorrect 'group_by' label causes no alerts

CReceiver name does not match route receiver

DMissing SMTP server configuration in Alertmanager

Step-by-Step Solution

Solution:

Step 1: Check email notification requirements
Email notifications require SMTP server settings in Alertmanager config, not shown here.
Step 2: Verify receiver and route match
Receiver name 'team-email' matches route receiver, so routing is correct.
Final Answer:
Missing SMTP server configuration in Alertmanager -> Option D
Quick Check:
Email needs SMTP setup to send alerts [OK]

Quick Trick: Email alerts need SMTP server configured in Alertmanager [OK]

Common Mistakes:

Assuming 'group_by' label stops alerts
Thinking receiver name mismatch causes no alerts here
Believing Alertmanager can't send emails

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More Kubernetes Quizzes

You configured Alertmanager but no notifications are sent. Which of these is a likely cause based on this snippet?

Step 1: Check email notification requirements

Step 2: Verify receiver and route match

Final Answer:

Quick Check:

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