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ArgoCD Notifications Quiz

This quiz tests your understanding of ArgoCD notification system and alerting.

  1. What component handles notifications in ArgoCD?
    • A) Application Controller
    • B) Notifications Controller (argocd-notifications)
    • C) API Server
    • D) Repo Server
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Answer: B) Notifications Controller (argocd-notifications)

Explanation: The ArgoCD Notifications Controller monitors ArgoCD Applications and sends notifications based on configured triggers and templates. It's a separate component that was merged into core ArgoCD.

  1. Where are notification configurations stored in ArgoCD?
    • A) In a dedicated CRD
    • B) In the argocd-notifications-cm ConfigMap
    • C) In the Application spec
    • D) In environment variables
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Answer: B) In the argocd-notifications-cm ConfigMap

Explanation: Notification services, templates, and triggers are configured in the argocd-notifications-cm ConfigMap. Sensitive data like webhook URLs are stored in argocd-notifications-secret.

  1. What is a "trigger" in ArgoCD notifications?
    • A) A button to send manual notifications
    • B) A condition that determines when to send a notification
    • C) A webhook endpoint
    • D) A notification template
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Answer: B) A condition that determines when to send a notification

Explanation: Triggers define the conditions (like sync status changes, health changes, or sync failures) that determine when notifications should be sent. They reference templates that format the notification content.

  1. How do you subscribe an Application to receive notifications?
    • A) Edit the notifications ConfigMap
    • B) Add annotations to the Application with notification subscriptions
    • C) Create a NotificationSubscription CRD
    • D) Configure it in the ArgoCD UI
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Answer: B) Add annotations to the Application with notification subscriptions

Explanation: Applications subscribe to notifications via annotations like notifications.argoproj.io/subscribe.on-sync-succeeded.slack: my-channel. This specifies the trigger, service, and recipient.

  1. Which notification services does ArgoCD support out of the box?
    • A) Only Slack
    • B) Only email
    • C) Multiple including Slack, Teams, email, webhooks, and more
    • D) None, all require custom plugins
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Answer: C) Multiple including Slack, Teams, email, webhooks, and more

Explanation: ArgoCD notifications supports many services including Slack, Microsoft Teams, Telegram, Opsgenie, Grafana, PagerDuty, GitHub, email (SMTP), and generic webhooks.