Assumed role is not authorized to perform ssm getparameters on resource

Assumed role is not authorized to perform ssm getparameters on resource

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Use the information here to help you diagnose and fix common issues that you might encounter when working with IAM roles. Make sure to use the exact name of your role, because role names are case sensitive. Verify that your IAM policy grants you permission to call sts:AssumeRole for the role that you want to assume.

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In addition, the Resource element of your IAM policy must specify the role that you want to assume. For example, at least one policy applicable to you must grant permissions similar to the following:.

assumed role is not authorized to perform ssm getparameters on resource

For example, in the following policy permissions, the Condition element requires that you, as the principal requesting to assume the role, must have a specific tag. Otherwise, you cannot assume the role. Verify that you meet all the conditions that are specified in the role's trust policy. A Condition can specify an expiration date, an external ID, or that a request must come only from specific IP addresses.

Consider the following example: If the current date is any time after the specified date, then the policy never matches and cannot grant you the permission to assume the role. Verify that the AWS account from which you are calling AssumeRole is a trusted entity for the role that you are assuming. Trusted entities are defined as a Principal in a role's trust policy. The following example is a trust policy that is attached to the role that you want to assume.

If your account number is not listed in the Principal element of the role's trust policy, then you cannot assume the role. It does not matter what permissions are granted to you in access policies. Note that the example policy limits permissions to actions that occur between July 1, and December 31, UTCinclusive. If you log in before or after those dates, then the policy does not match, and you cannot assume the role.

Some AWS services require that you use a unique type of service role that is linked directly to the service. This service-linked role is predefined by the service and includes all the permissions that the service requires.

For general information about service-linked roles, see Using Service-Linked Roles. You might already be using a service when it begins supporting service-linked roles. If so, you might receive an email telling you about a new role in your account. This role includes all the permissions that the service needs to perform actions on your behalf.

You don't need to take any action to support this role. However, you should not delete the role from your account. Doing so could remove permissions that the service needs to access AWS resources. Service-linked roles appear with Service-linked role in the Trusted entities column of the table. For information about using the service-linked role for a service, choose the Yes link.

You cannot delete or edit the permissions for a service-linked role in IAM. These roles include predefined trusts and permissions that are required by the service in order to perform actions on your behalf. You can view the service-linked roles in your account by going to the IAM Roles page in the console.

A banner on the role's Summary page also indicates that the role is a service-linked role.If you've got a moment, please tell us what we did right so we can do more of it. Thanks for letting us know this page needs work.

We're sorry we let you down. If you've got a moment, please tell us how we can make the documentation better. We recommend that you control access to Systems Manager parameters by creating restrictive IAM policies. For example, the following policy allows a user to call the DescribeParameters and GetParameters API operations for a limited set of resources.

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For trusted administrators, you can provide access to all Systems Manager parameter API operations by using a policy similar to the following example. You can control access so that instances can run only parameters that you specify. The following example enables instances to get a parameter value only for parameters that begin with "prod-" If the parameter is a SecureString parameter, then the instance decrypts the string using AWS KMS.

Instance policies, like in the following example, are assigned to the instance role in IAM. For more information about configuring access to Systems Manager features, including how to assign policies to users and instances, see Setting up AWS Systems Manager.

After you tag a parameter, you can restrict access to it by creating an IAM policy that specifies the tags the user can access. When a user attempts to use a parameter, the system checks the IAM policy and the tags specified for the parameter. If the user does not have access to the tags assigned to the parameter, the user receives an Access Denied error.

assumed role is not authorized to perform ssm getparameters on resource

Use the following procedure to create an IAM policy that restricts access to parameters by using tags. Create and tag parameters. For more information, see Getting started with Parameter Store. In the navigation pane, choose Policiesand then choose Create policy. Copy the following sample policy and paste it into the text field, replacing the sample text. You can restrict access to multiple API actions by using the following format in the Action block:.

You can specify multiple keys in the policy by using the following Condition format. Specifying multiple keys creates an AND relationship for the keys. You can specify multiple values in the policy by using the following Condition format. ForAnyValue establishes an OR relationship for the values. For Namespecify a name that identifies this as a user policy for tagged parameters. Optional For Descriptionenter a description. Verify details of the policy in the Summary section.

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Assign the policy to IAM users or groups. After you attach the policy to the IAM user or group account, if a user tries to use a parameter and the user's policy does not allow the user to access a tag for the parameter call the GetParameters API actionthe system returns an error.

The error is similar to the following:. If a parameter has multiple tags, the user will still receive the Access Denied error if the user does not have permission to access any one of those tags.If you've got a moment, please tell us what we did right so we can do more of it.

Thanks for letting us know this page needs work. We're sorry we let you down. If you've got a moment, please tell us how we can make the documentation better. Returns a set of temporary security credentials that you can use to access AWS resources that you might not normally have access to. These temporary credentials consist of an access key ID, a secret access key, and a security token.

Typically, you use AssumeRole within your account or for cross-account access. For cross-account access, imagine that you own multiple accounts and need to access resources in each account.

You could create long-term credentials in each account to access those resources. However, managing all those credentials and remembering which one can access which account can be time consuming. Instead, you can create one set of long-term credentials in one account. Then use temporary security credentials to access all the other accounts by assuming roles in those accounts. By default, the temporary security credentials created by AssumeRole last for one hour.

However, you can use the optional DurationSeconds parameter to specify the duration of your session.

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You can provide a value from seconds 15 minutes up to the maximum session duration setting for the role. This setting can have a value from 1 hour to 12 hours. However the limit does not apply when you use those operations to create a console URL. Optional You can pass inline or managed session policies to this operation.

You can pass a single JSON policy document to use as an inline session policy. You can also specify up to 10 managed policies to use as managed session policies. The plain text that you use for both inline and managed session policies can't exceed 2, characters. Passing policies to this operation returns new temporary credentials.If you've got a moment, please tell us what we did right so we can do more of it.

Thanks for letting us know this page needs work. We're sorry we let you down. If you've got a moment, please tell us how we can make the documentation better. Use the following information to help you troubleshoot problems with the Automation service. This topic includes specific tasks to resolve issues based on Automation error messages. If you deleted the default VPC, you will receive the following error:. To solve this problem, you must specify a value for the SubnetId input parameter.

An Automation execution can fail with an access denied error or an invalid assume role error if you have not properly configured IAM users, roles, and policies for Automation. The following examples describe situations when an Automation execution failed to start with an access denied error. To resolve this issue, attach the required IAM policy to the user account that was used to start the execution.

For more information, see Task 4: Configure user access to Automation. To resolve this issue, attach the iam:PassRole policy to the role of the IAM user attempting to start the Automation execution. When you run an Automation, an assume role is either provided in the document or passed as a parameter value for the document.

Different types of errors can occur if the assume role is not specified or configured properly. Error message : The format of the supplied assume role ARN is invalid. The assume role is improperly formatted. To resolve this issue, verify that a valid assume role is specified in your Automation document or as a runtime parameter when running the Automation. Error message : The defined assume role is unable to be assumed. Possible cause 1: The assume role does not exist.

To resolve this issue, create the role.

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For more information, see Getting started with Automation. Specific details for creating this role are described in the following topic, Task 1: Create a service role for Automation. Possible cause 2: The assume role does not have a trust relationship with the Systems Manager service. To resolve this issue, create the trust relationship.

Troubleshooting Systems Manager Automation

For more information, see Task 2: Add a trust relationship for Automation. Automation documents contain steps and steps run in order. The APIs determine the inputs, behavior, and outputs of the step. There are multiple places where an error can cause a step to fail. Failure messages indicate when and where an error occurred. To see a failure message in the EC2 console, choose the View Outputs link of the failed step. In the following examples, a step associated with the aws:runInstance action failed.

Each example explores a different type of error. Error message : Automation Step Execution fails when it is launching the instance s. NotFound; Request ID: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx ]. Please refer to Automation Service Troubleshooting Guide for more diagnosis details. The aws:runInstances action received input for an ImageId that doesn't exist. Error message : Step fails when it is verifying launched instance s are ready to be used.

Instance i-xxxxxxxxx entered unexpected state: shutting-down. Possible cause 1: There is a problem with the instance or the Amazon EC2 service.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here.

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I'm using Terraform to create an EKS cluster. The worker nodes have an IAM role defined as follows:. This all spins up fine, and I can launch containers into the cluster. This spits back a predictable error of:. That's good actually - I want this to be rejected until I give that user permission.

But since that EC2 instance is dynamically created with auto-scaling, I have no idea how I would target that with a policy All that brings me back to the question Learn more. Ask Question. Asked 3 months ago. Active 3 months ago.

Can I restrict the access of IAM users to specific EC2 resources?

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If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. If one of the parameters cannot be retrieved, get-ssm-params will exit 1. By default, get-ssm-params uses AWS region eu-central Corresponding example CloudFormation stack:. The above message indicates that the given ec2 host has a policy attached, but it lacks permission on requested parameters.

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AssumeRole

Played around with this today and got the following, dropping the s from ssm:GetParameters and using ssm:GetParameter seems to work when using the GetParameter action. This weirded me out a bit because I cannot find this at all in the iam action docs here.

However it does seem to work, and ssm is still a bit under documented. Amazon has updated and moved it's docs. The new docs incude both ssm:GetParameters and ssm:GetParameter. Ran into the same error today. Learn more. Asked 2 years, 9 months ago. Active 1 month ago. Viewed 12k times. Oli Oli 1 1 gold badge 3 3 silver badges 15 15 bronze badges. Seems like a bug in how ssm:GetParameters is validated.

Andrew Zakordonets

When I use boto3. Active Oldest Votes. Under documented, but still better documented than some of the software I use! Attaching this policy to the role that runs the Lambda solved it for me.

Ali Ali 15k 17 17 gold badges 89 89 silver badges bronze badges. Thanks, only this helped me. Standard error messages are confusing. Ross Kerr Ross Kerr 83 1 1 silver badge 6 6 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.


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