Difference between revisions of "AWS Instance Metadata Service (IMDS)"

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* <code>[[aws ec2 modify-instance-metadata-options]]</code>
 
* <code>[[aws ec2 modify-instance-metadata-options]]</code>
 
* [[IMDS versions]]: [[IMDSv2]]
 
* [[IMDS versions]]: [[IMDSv2]]
 +
* [[IMDS initiate session]]
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If you use [[Auto Scaling groups]] and you need to require the use of IMDSv2 on all new instances, your Auto Scaling groups must use [[launch templates]].
 
If you use [[Auto Scaling groups]] and you need to require the use of IMDSv2 on all new instances, your Auto Scaling groups must use [[launch templates]].

Revision as of 09:11, 28 June 2024

Wikipedia:AWS Instance Metadata Service it is a service provided by AWS that allows EC2 instances to access metadata about themselves and their environment.



If you use Auto Scaling groups and you need to require the use of IMDSv2 on all new instances, your Auto Scaling groups must use launch templates.

  • Datadog AWS Integration Billing: If your EC2 instances are configured to require the use of Instance Metadata Service Version 2 (IMDSv2), then you must set the parameter ec2_prefer_imdsv2 to true in your Datadog agent configuration to avoid double-billing.

Example

 TOKEN=`curl -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 21600"` \ && curl -H "X-aws-ec2-metadata-token: $TOKEN" -v http://169.254.169.254/latest/user-data

Activities

Related

See also

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