aws-sns

# AWS SNS Manage SNS topics and publish notifications. ## List topics ```bash aws sns list-topics --query 'Topics[].TopicArn' --output table ``` ## Get topic attributes ```bash aws sns get-topic-attributes --topic-arn "$SNS_TOPIC_ARN" | jq '.Attributes | {DisplayName, SubscriptionsConfirmed, SubscriptionsPending}' ``` ## List subscriptions ```bash aws sns list-subscriptions-by-topic --topic-arn "$SNS_TOPIC_ARN" --query 'Subscriptions[].{Endpoint:Endpoint,Protocol:Protocol,Status:SubscriptionArn}' --output table ``` ## Publish message ```bash aws sns publish --topic-arn "$SNS_TOPIC_ARN" \ --subject "Alert" \ --message "Deployment complete for v1.2.3" | jq '{MessageId}' ``` ## Publish JSON message (protocol-specific) ```bash aws sns publish --topic-arn "$SNS_TOPIC_ARN" \ --message-structure json \ --message '{"default":"Alert","email":"Email body","sms":"SMS text"}' | jq '{MessageId}' ``` ## Subscribe endpoint ```bash aws sns subscribe --topic-arn "$SNS_TOPIC_ARN" \ --protocol email --notification-endpoint user@example.com | jq '{SubscriptionArn}' ``` ## Notes - Email subscriptions require confirmation by the recipient. - Confirm before publishing or subscribing endpoints.