Aws ec2 stop vs terminate. Trend Question Official Event Official Column Opportunities Organization Advent Calendar. Aws ec2 stop vs terminate

 
 Trend Question Official Event Official Column Opportunities Organization Advent CalendarAws ec2 stop vs terminate Reserved Instances provide you with significant savings on your Amazon EC2 costs compared to On-Demand Instance pricing

Specifying this option with a PV instance can make it unreachable. Provide a name for the new launch template, the Amazon Machine Image (AMI) to run, instance types, and other options. After you allocate the Dedicated Host, the Dedicated Host capacity is made available in your account immediately and you can start launching instances onto the Dedicated Host. If it appears that your instance is stuck terminating and it has been longer than several hours, post a request for help to AWS re:Post. Run a Windows PowerShell script to remove the computer from the domain. aws ec2 stop-instances --instance-ids i-0123ab456c789d01e--force. Once you’ve selected “terminate,” you will receive a pop-up confirmation. The lifecycle hook puts the instance into a wait state ( Pending:Wait) and then performs a custom action. Or if Python is already preinstalled in that instance, you can write a small python script using Boto3 that terminates the instance 12 hours after the instance is launched. If you did not assign a specific termination policy to the group, Amazon EC2 Auto Scaling uses the default termination policy. When you launch an instance from a launch template,. After you complete the. To terminate your active resources for some commonly used AWS services, do the following: Amazon EC2. instances. 8) section. EC2インスタンスの削除保護を有効化してもShutdown behaviorによるterminateを防げないのは何故か #AWS - Qiita. Various system services will be stopped as a result of the button press event. Otherwise he will be denied access. The code uses the AWS SDK for Python to manage the. client ('cloudwatch') cloudWatch. For more information, see Suspending and Resuming Scaling Processes in the Amazon EC2. When it comes to managing your Amazon Web Services (AWS) EC2 instances, there are two important actions you need to be familiar with: stop and terminate. You can only terminate instance store-backed instances. This has the benefit of not needing to give the instance access to terminate ec2 via the AWS API. There is an option that you can set at instance creation that will allow the instance to terminate on shutdown. 6. Here, there are three primary details to get right: geographic region, virtual private cloud (VPC), and tenancy model. Choose Terminate. Any EBS-backed stopped or stop-hibernated instance can be started again, and the instance will become operational once AWS has provisioned the required resources. response = ec2. You can add the stop, terminate, or reboot, actions to any alarm that is set on an Amazon EC2 per-instance metric, including basic and detailed monitoring metrics provided by Amazon CloudWatch (in the AWS/EC2 namespace), in addition to any custom metrics that include the "InstanceId=" dimension, as long as the InstanceId value refers to a valid. OK, my understanding of AWS was not as deep as I thought, so I deleted my misinformed answer. Attach an EBS volume to another EC2 instance from the terminated. On the Cluster List page, select the cluster or clusters to terminate. An Amazon Machine Image (AMI) is a template that contains a software configuration (for example, an operating system, an application server, and applications). A stopped instance persists in Amazon EBS, which allows it to be re-started. --cli-input-yaml (string) Reads arguments from the JSON string provided. Rather than asking the Amazon EC2 service to terminate an instance, you can simply call the Operating System and tell it to Stop the instance:. One of the key decisions you need to make is whether to stop or terminate your EC2 instances. If you were storing critical data on an EC2 instance in an auto-scaling group, the you were definitely using AWS incorrectly. Region: Enter the AWS region name where this instance is available. When an instance is terminated, the instance performs a normal shutdown, then the attached Amazon EBS volumes are deleted unless the volume’s deleteOnTermination attribute is set to false. AWS Savings plans also have. By default, Amazon EC2 deletes all EBS volumes that were attached when the instance launched. The ec2 facts module will query the metadata service on the instance to get the instance ID. <NAME> (substitute your Terraformed EC2 instance's name) command to destroy your instance. Note: You cannot start/stop a Spot Instance. After specifying all of your settings, choose Restore backup. You can force stop an EC2 instance when the instance appears to be stuck in the stopping or pending state. If you stop the instance, the Amazon EBS volume persists. Yes, can able to terminate an EC2 instance by executing the below command. To delete active Amazon EC2 instances, see How do I delete or terminate my Amazon EC2 resources? You might be charged for Elastic IP addresses even after you terminate all your EC2 instances. What happens to an instance differs if you stop it or terminate it. The encryption keys are generated using the hardware module and are unique to each NVMe instance storage device. It consists of two parts: a number and letters. ← suspend-processes. 1 Answer. Yes, you can run a shell-script on your terminating EC2 instance using AWS Systems manager. Every event or log entry contains information about who generated the request. Even then you will be billed the committed amount of $1488 by AWS. On-Demand Instances. Just to state the obvious for junior folks who might come across this: sudo shutdown now requires access to the operating system (via SSH keys, inbound security groups, etc), while aws ec2 stop-instances is an AWS CLI command which simply requires API authentication (via IAM credentials or STS tokens). EC2 Instance Store. Using Amazon EC2 reduces hardware costs so you can develop and deploy applications faster. Once the compute environment is in Disabled and idle,. An IPv6 address persists when you stop and start, or hibernate and start, your instance, and is released when you terminate your instance. Termination protection prevents an instance from accidental termination. Note: You cannot start/stop a Spot Instance. Step 2: Create an IAM policy and role. Pricing is per instance-hour consumed for each instance, from the time an instance is launched until it's terminated or stopped. An auto-scaling group launches EC2 instances and it appears that instances that run roughly >24 hours begin to degrade in performance. The following procedure sets the threshold to 50% CPU utilization for the target instance. To allow users to work with Elastic IP addresses, you can add the following actions to your policy. Must be specified for all other modules if region is not used. once task is completed i will issue shutdown command inside my vm. Go to IAM on your AWS and click “Policies” on the left side. For an example that uses the AWS CLI, see modify-instance-attribute. To stop an instance. The following code terminate an instance based on ID and Region. When you launch an instance, it enters the pending state (1). Attach the policy that we just created and hit “Create Role”. This Python example shows you how to: Get basic information about your Amazon EC2 instances. If you continue to incur charges after terminating all your resources, then contact AWS Support. When an Auto Scaling group with a mixed instances policy scales in, Amazon EC2 Auto Scaling still uses termination policies to prioritize which instances to terminate, but first it identifies which of the two types (Spot or On-Demand) should be terminated. The following code examples show how to stop an Amazon EC2 instance. [Amazon EC2 console] Use the launch instance wizard to specify the launch parameters. On the dropdown labeled ‘Use Cases for other AWS Services’ and select ‘Lambda. You can create an EC2 Fleet, in which you specify the desired. by Srini. . Amazon Elastic Compute Cloud (Amazon EC2) provides on-demand, scalable computing capacity in the Amazon Web Services (AWS) Cloud. You can create a CloudWatch alarm that monitors CloudWatch metrics for one of your instances. Then switch to JSON, from Visual Editor. 2 Answers. Without EBS volumes, the instance cannot exist in a stopped state. Image: Enter the I(ami) ID to use for the instance. Note: EC2You can't use the Stop action to hibernate Spot Instances, but you can specify that Amazon EC2 should hibernate Spot Instances when they are interrupted. 246k 25 390 481. Terminate instances accepts multiple instance-ids at once. AWS AWS Cost Optimization Best practices Cloud Computing. amazon-ec2 cloud Share Follow edited Mar 12 at 7:57 John Rotenstein 246k 24 390 481 asked Sep 19, 2016 at 12:24 Beyhan Gul 1,221 1 16 25 Add a comment 2. Trend Question Official Event Official Column Opportunities Organization Advent Calendar. Terminate an Amazon EC2 instance using an AWS SDK. These stay attached during a Stop and Start, but you can choose to detach it. Following is from the same EC2 doc you have linked: Each time you start a stopped instance we charge a minimum of one minute for usage. Ignored for modules where region is required. Terminating an EC2 Instance: Terminating an EC2 instance permanently deletes the instance along with all associated data, configurations, and resources. Amazon EBS volumes. How to Terminate EC2 instances using AWS CLI. Resolution. Those are START, STOP, REBOOT, Terminate. Search for and choose the AWS-RestartEC2Instance action. The following code examples show how to terminate an Amazon EC2 instance. The AWS Management Console allows you to cancel or terminate only one AWS Batch job from a job queue at a time. 11 Command Reference. EC2 (Elastic Compute Cloud) is the most widely-used compute service from AWS. Syntax : aws ec2 terminate-instances --instance-ids <intance id> --profile <profile name>. Follow. Posted On: Jan 13, 2020. In AWS, the EC2 ( Elastic cloud computing) instance is called a VM (Virtual Machine). AWS EC2 stop all through PowerShell/CMD tools. Enter one or more instance IDs that you want to stop. Learn how Amazon EC2 provides your instances with public and private IP addresses and DNS hostnames. AWS AWS Cost Optimization Best practices Cloud Computing. If not set then the value of the EC2_URL environment variable, if any, is used. Terminating your instance is essentially deleting it, it will take some time to get reflected on your dashboard (meaning it won't appear on your instance list table) There is no use of terminated instances. ec2 = boto3. EBS volumes are flexible. Sorted by: 120. The Auto Scaling group responds to a scale-out event and begins launching an instance. This task goes to the success state in Universal Controller until the EC2 instance is completely spun up or terminated. Other than Elastic Beanstalk and AutoScaling group, another possibility is you have an on-going Spot Request. answered Nov 17, 2022 at 20:37. Example : aws ec2 terminate-instances --instance-ids <i-. Short description. Google charges for the storage necessary to save instance memory. To help expedite a resolution, include the instance ID and describe. To get started, first visit Amazon EC2 in the AWS Management Console, select an instance, and click the 'Create Alarm' button in the Monitoring tab that appears in the lower panel. Amazon Auto Scaling automatically manages your Amazon Elastic Compute Cloud (EC2) capacity. Warning: “Stopping” an instance is completely different from “terminating” an instance! When you terminate an EC2 instance, by default it deletes the EBS boot volume and other volumes that were created at run time. In the navigation pane, under Auto Scaling, choose Auto Scaling Groups. Excerpt from that article: "An "instance store" instance is an EC2 instance whose root device resides on the virtual machine’s hard drive. 15. We would like to show you a description here but the site won’t allow us. Default termination policy. Go to console right click on the instance and select "Change termination protection". This will test that your infrastructure is configured correctly and will survive an instance failure. Reserved Instances provide you with significant savings on your Amazon EC2 costs compared to On-Demand Instance pricing. Volumes attached after instance launch continue running. the instance’s root device is the actual hard drive, it is "stuck" on the hardware, and the only thing you can do is terminate the instance. Click here to see more information on this topic from AWS. You can use Amazon EC2 to launch as many or as few virtual servers as you need, configure security and networking,. This returns. It supports multiple EC2 instances at once. Make sure you understand the difference before you start doing one or. There is also a flag that can be set on the instance as to how instance initiated shutdown is handled. you can stop and start instances with instance store volumes and then restore your instance store volume using the backed-up data. You can launch an instance using the following methods. If you run aws ssm send-command followed immediately by aws ec2 terminate-instances, I think you may end up terminating the. If you try terminating a spot instance in the EC2 console when it's set as 'persistent', a new spot instance will spin up in its place in a few minutes. EBS volumes are highly available and reliable storage volumes that can be attached to any running instance and used like a hard drive. I have also tried adding the script to my EC2 instance’s User Data, but that does not seem to work. All Amazon EC2 actions, and Amazon EBS management actions, are logged by CloudTrail and are documented in the Amazon EC2 API Reference. In this article, we are going to see how to terminate the EC2 instance from AWS CLI. You terminated your. Modify its 'disableApiStop' instance attribute and try again. I saw somewhere that I would only get charged for EBS storage. Instance reboot. Stopping Amazon ec2 instance. In the Amazon EC2 console, open the Instances pane and select an instance. You can now stop your Amazon EC2 Spot Instances backed by Amazon EBS and start them at will, instead of relying on the “Stop” interruption behavior to stop your Spot Instances when interrupted. The script below will require instance ids. This is easier than temporarily deleting a policy when you don't need it, and recreating it later. --auto-scaling-group-name My_AutoScalingGroup. If we start the EC2 instance, the data is restored on the EC2 instance. Modify instance user data. My Termination Protection was set to Stop but apparently it overrides this setting. I saw somewhere that I would only get. This storage is located on disks that are physically attached to the host computer. Amazon EC2 resources fall under a few general billing categories. If you choose instance store volume type, you will lose your data. Amazon EC2 Auto Scaling helps you maintain application availability and lets you automatically add or remove EC2 instances using scaling policies that you define. Search for the instance that you would like to delete and right click on the instance. Termination means deletion so please be cautious and I recommend using --dry-run and --no-dry-run commands for being safe side. This event contains metadata about the job including the JobARN. . 5. For this project we will name it “stop_start_ec2instances”. The key difference between stopping and terminating an instance is that the attached bootable EBS volume will not be deleted. EC2: Start or stop instances based on tags; EC2: Start or stop for matching tags; EC2: Full access within a Region (includes console) EC2: Start or stop an instance, modify security group (includes console) EC2: Requires MFA (GetSessionToken) for operations; EC2: Limit terminating instances to IP range; IAM: Access the policy. This causes errors in terraform because the IP address of my machine is lost, and terraform tries to update the related route53 record with an empty string. Instance reboot. Url to use to connect to EC2 or your Eucalyptus cloud (by default the module will use EC2 endpoints). 2. To create Linux AMIs backed by instance store, you must create an AMI from your instance on the instance itself using the Amazon EC2 AMI tools. Default termination policy and mixed instances groups. To delete an EC2 instance using the CLI, you'll need its Instance ID. Volumes attached after instance launch continue running. We would like to show you a description here but the site won’t allow us. You can select. From there go to Instance state and Terminate instance. Documentation. Share. PDF RSS. Use this script to retrieve instance ID as well as availability zone and region, etc. Specifically the CPU. 1. 1 Answer. 5. Choose Create function, Author from scratch. This will cause your instance to terminate instead of stop when the OS halts. First, find the description and cause for the instance's termination: Open the Amazon EC2 console. TerminateJob is used when you want to stop all current and future job requests from running. 7. Auto-termination (after idle) - Create a cluster with an auto-termination policy that shuts down after a specified idle time. Rebooting an instance is equivalent to rebooting an operating system. Instance profiles. For Amazon EC2 instances, Instance Scheduler on AWS can integrate with SSM maintenance windows, defined in the same Region as those instances, to start and stop them in accordance with the maintenance window. Using TLS Termination. EC2 Invoke WeDoIT. Within this environment, you can access an extensive range of pre-installed development tools , options for uploading and downloading files, and file storage that persists between sessions. This includes when you work with Amazon EC2 or other AWS services using the console, API, AWS CLI, or AWS SDKs. Create an SQS queue for the termination messages. To delete terminated EC2 Instances, locate the instance you want to delete in the EC2 Console under the Instances page. To help protect against data loss caused by accidental termination of an Amazon EC2 instance, consider the following options when you configure EC2. Whether you require low-cost options for lightweight applications or high-performance instances for resource-intensive workloads, EC2 instances cater to diverse demands across industries. 1 Answer. The handler fetches critical information about the job like the job status, from the service’s internal database. To stop accruing charges: Identify your active EC2 resources in all AWS Regions. I have looked into SSM Run Command with Lambda, but given that the bot runs for days at a time, I don't believe that's viable. You can only terminate instance store-backed. In a single API call, a fleet can launch multiple instance types across multiple Availability Zones, using the On-Demand Instance, Reserved Instance, and Spot Instance purchasing options together. Name: for example, "Start EC2 instances" and "Stop EC2 instances". After select the policy, click “Next: Review” button. After 60 days, the instance is automatically. By default, when you initiate a shutdown from an Amazon EBS-backed instance (using the shutdown or poweroff commands), the instance stops. Here’re the four stages of a Virtual Machine-status. EC2 Fleet and Spot Fleet. For more information, see Hibernating interrupted Spot Instances in the Amazon EC2 User Guide. PDF. The size appears after the full stop. If you use AWS CloudTrail, then using Amazon EC2 to reboot your instance also creates an API record of when your instance was rebooted. You can’t use the Stop action to hibernate Spot Instances, but you can specify that Amazon EC2 should hibernate Spot Instances when they are interrupted. The following command should allow you to stop the instance and force it move to the "Stopped" state: We would like to show you a description here but the site won’t allow us. You can copy snapshot to different region via AWS Management Console or AWS API calls. May 21, 2021. If you are using an instance store backed instance, your only option will be to terminate. Run shutdown -h now as root. You can use an EC2 Fleet or a Spot Fleet to launch a fleet of instances. On the Cluster List page, select the cluster to terminate. AWS OpsWorks Stacks automatically starts and stops. Here’re the differences between ec2 start, stop , and terminate. Locate the instance you want to delete, and take note of its Instance ID. The instance will remain in a "running" state. In this article, I will go through some things you should consider when selecting an EC2 instance. To get started, first visit Amazon EC2 in the AWS Management Console, select an instance, and click the 'Create Alarm' button in the Monitoring tab that appears in the lower panel. If the interruption behavior is hibernation,. In AWS, the EC2 ( Elastic cloud computing) instance is called a VM (Virtual Machine). For more information, see Create alarms that stop, terminate, reboot, or recover an instance. Amazon EMR is terminated if termination protection is turned off. When you stop or hibernate an instance, we shut it down. Step 2: Find the Instance ID. You stop/terminate a few instances and your total EC2 instance charges reduce to $1000 in a month. You can use the AWS Command Line Interface (AWS CLI) to launch, list, and terminate Amazon Elastic Compute Cloud (Amazon EC2) instances. Resolution. java","path":"javav2. Amazon EC2 Dedicated Hosts allow you to use your eligible software licenses from vendors such as Microsoft and Oracle on Amazon EC2, so that you get the flexibility and cost effectiveness of using your own licenses, but with the resiliency, simplicity and elasticity of AWS. However, if you cancel the spot request this will terminate the current spot instance and also prevent any. Note the ec2_facts module needs to run on the instance (s) that you. While these terms may sound similar, they have distinct implications. AutoScaling Group is able to take care of this process for you. Posted On: Jul 29, 2021. You can restart your instance at any time. To force the instance to stop using the AWS CLI, use the stop-instances command and the --force option as follows: aws ec2 stop-instances --instance-ids i-0123ab456c789d01e --force. If you stop or terminate all. anchor anchor anchor anchor anchor. Step 4: Follow the steps In the Select metric paste the instance id in the metric. Key Features: This task uses Python Boto3 to interact with the AWS platform using the credentials supplied within the task. The system stops instances by a simulated short-press of the power button. --username (string) The name of the user who initiated the connection. I would like the EC2 to stop once the script has run. Share. Most of the time the host machine. So far in our AWS posts we have learned if we stop the EC2 instance the data on the EBS volumes persists. My Use case: I have a vm root image for every one hour few vms are created using the root disk and scheduled todo some task. Since I want to access to the EC2 instance from Lambda function, I will attach “Amazon EC2 Full Access” policy. Once you terminated your instances, it means you. Instance C and Instance D fail to terminate because at least one of the specified instances in us-east-1b (Instance C) is enabled for termination protection. AWS Backup will use the SSH key pair used at the time of backup to automatically perform your restore. Reboot an Amazon EC2 instance. Terminate an InstanceInstance store-backed instances – The root device is temporary. It is akin to shutting down the instance and removing it entirely from your AWS account. aws opsworks stop-instance --region us-east-1 --instance-id 3a21cfac-4a1f-4ce2-a921. Pricing is per instance-hour consumed for each instance, from the time an instance is launched until it is terminated or stopped. You can stop, start, and terminate EBS-backed instances. Launch, scale, and manage Spot Instances with ease through AWS services or integrated third parties. 1,228 11 25. In this example, Python code is used perform several basic instance management operations. At this stage, the instance is preparing to enter the running state. But when I get disconnected (the SSH session is closed) from the EC2 instance the process stops. Navigate to the new Amazon EMR console and select Switch to the old console from the side navigation. When you stop an EBS boot instance you are giving up the physical hardware (or slice of it) that the server was running on and EC2 is free to start somebody else's instance there. You would need to check that the script has finished running, and then execute the command aws ec2 terminate-instances. For this you need to have AWS CLI installed and the EC2 instance is attached an IAM role with sufficient privileges to terminate the instance. Note that Amazon EC2 Auto Scaling terminates, rather than stops, unneeded instances. Notice, that the instance will retain its instance id after startup but will be given a different public IP address. For a detailed example that walks you through how to create and use event rules, see Taking Advantage of Amazon EC2 Spot Instance Interruption Notices. Select the AWS Region for your Amazon EMR cluster. You can add the stop, terminate, or reboot, actions to any alarm that is set on an Amazon EC2 per-instance metric, including basic and detailed monitoring metrics provided by Amazon CloudWatch (in the AWS/EC2 namespace), in addition to any custom metrics that include the "InstanceId=" dimension, as long as the InstanceId value refers to a valid. com: $ ansible-playbook -i instance. To begin using Dedicated Hosts, you must allocate Dedicated Hosts in your account using the Amazon EC2 console or the command line tools. You can reboot your instance using the Amazon EC2 console, a command line tool, and the Amazon EC2 API. Please be warned that there is no way to recover the terminated instances in AWS. Step 3: choose Alarms then click Create Alarm. However, you can use these methods to re-create the terminated instance: Use Amazon EBS snapshots or Amazon Machine Images (AMI) backups to launch a replacement EC2 instance to that were created from the terminated Amazon EC2 instance. Terminated instances remain visible after termination (for approximately one hour). If you do this, the instance is deleted, never. We were clueless about what was causing this. You can also leverage the enhanced security options in Amazon VPC to provide. Policy should look like below: Step 2. Feel free to use the code. ec2 = boto3. Improve this answer. To terminate (delete) all your active resources, do the following in the respective Regions: Note: Deleted, terminated, or released resources can't be recovered. Use this option to terminate all active connections for the specified user. When you launch an instance, it enters the pending state (1). Options ¶. When you launch AWS CloudShell, a compute environment that's based on Amazon Linux 2 is created. Amazon Elastic Compute Cloud (Amazon EC2) provides on-demand, scalable computing capacity in the Amazon Web Services (AWS) Cloud. Ec2 also supports hibernating which is a quicker method of stopping/starting. to enable enhanced networking with ENA for the instance. AWS Systems Manager enables you to remotely and securely manage the configuration of your Amazon EC2 instances, and your on-premises instances and virtual machines (VMs) in hybrid environments, including VMs from other cloud providers. All of its Amazon EBS volumes remain attached, and you can start the instance again at a later time. Document Conventions. Key Features: This task uses Python Boto3 to interact with the AWS platform using the credentials supplied within the task. By default, Amazon EC2 deletes all EBS volumes that were attached when the instance launched. AWS - Status check fails when loading AMI created from snapshot. The instance remains in a wait state until you either complete the lifecycle action, or the timeout period ends. Hibernation is just like closing and opening your laptop lid, your application will start. Open the Functions page on the Lambda console. PDF RSS. Check the latest instance-controller logs and instance state logs when the instance-controller service is down. Once launched, you'll find the controls to stop and start the spot instance like normal. Terminated instances remain visible after termination (for approximately one hour). You can stop the charges by releasing. Termination Protection protects you from accidentally terminating an instance. It is also possible to create secondary ENIs and attach them to instances. New – Hibernate Your EC2 Instances. It's also one of the oldest services launched by AWS, as it was started in 2006. The EC2 instance will remain on the same hardware. To force the instance to stop using the console, select the stuck instance, and choose Actions, Instance State, Stop, and Yes, Forcefully Stop. Give your policy a name. When you stop or hibernate an instance, we shut it down. The following example stops a specified instance, which is identified by its instance ID. 1. An EC2 Fleet contains the configuration information to launch a fleet—or group—of instances. Accepted Answer. If termination protection is on. Instance C and Instance D fail to terminate because at least one of the specified instances in us-east-1b (Instance C) is enabled for termination protection. 打开 Amazon EC2 控制台。 2. You can restart your instance at any time. Go to console right click on the instance and select "Change termination protection". Then, Actions -> Cancel Request. Example 2: To hibernate an Amazon EC2 instance. However please note that for this to work, you must use the --force-delete argument the first time itself, if the ASG is already in a. com By default, you can terminate your instance using the Amazon EC2 console, command line interface, or API. Amazon EC2 console. If you cancel a Spot Instance request, an EC2 Fleet, or a Spot Fleet, Amazon EC2 terminates any associated Spot Instances that are stopped. You can terminate multiple clusters at the same time. An easy way to save EC2 costs is to identify running EC2 instances that are idle or underutilized. You can define your own network space, and control how your network and the Amazon EC2 resources inside your network are exposed to the Internet. According to my requirement i should be able to stop that instance and restart it just the way we do it for on demand ec2-instances. According to AWS Support, it is normal behavior to Terminate an instance when you tell it to Stop if it is part of an Auto Scaling group. Some attributes have more available operators to select. You can't use the Stop action to hibernate Spot Instances, but you can specify that Amazon EC2 should hibernate Spot Instances when they are interrupted. On the ‘Terminate Instances’ window, confirm by choosing ‘Yes, Terminate’. Amazon EC2 Hibernation. A deeper link to Cloudwatch EC2 Events would probably be helpful, here.