Lab 20:Simple Notification Service (SNS)

                                         Lab 19:Simple Notification Service (SNS)

What is SNS?

Amazon Simple Notification Service (SNS) is a highly available, durable, secure, fully managed pub/sub messaging service that enables you to decouple microservices, distributed systems, and serverless applications.Additionally, SNS can be used to fan out notifications to end users using mobile push, SMS, and email.

SNS Flow:

 

Steps:

·        To create the SNS we need to create  a topic

·        Create a subscriber

·        Tag SNS  to Cloud watch

Lab: If your bill exceed need to get a mail using sns:

Step 1: Create a topic

Go to the SNS dashboard

 

Create on create a topic

 

Give a topic name Eg:my estimation charges

In display name give-Billing

Click on create topic

 

 

Step 2:create a subscription

 

Select the protocols email 

Give a subscriber mail id:eg:abc@gmil.com

Click on create a subscription

 

You will get a confirmation mail

Go to the mail click on confirmation

 Step:2

Go to the billing dashboard

In the navigation panel,choose preferences

 

Select receive billing alerts

And save your preference

Then go to the cloud watch dashboard

 

In the navigation panel choose alarms,billing,create alarm

Click on create alarm

Go to the bottom of the page click on show advanced

 

Under alarm threshold ,replace the default name for the alarm(for example,my estimated charges)and a description for the alarm (for ,example estimated monthly charges alarm names must contain only ASCII characters .

 

Under whenever charges for,for is, choose>= and then type the monetary amount (for example ,200)

 

Under additional settings,for treat missing data as choose ignore(maintain alarm state)so that missing data points do not trigger alarm state changes

Under actions ,for whenever this alarm,choose state is ALARM.for send notification to choose an existing SNS topic or create a new one

 

To create an SNS topic , choose new list.for send notification to ,type a name for SNS topic,and for email list,type a comma separated list of email addresses where email notifications should be sent each email is address sent a topic subscription conformation email.you must conform the subscription before notifications can sent to an email address.

Click on create alarm

 

After successfully you will get Email

Exercise:1)if your bill goes more than 10 dollars you should get an email

3)if your ec2 machine goes down you get an mail

4)if some one adds 0.0.0.0 allows in a security group you should gets an email