aws cli list ssm parameters with code examples

AWS Systems Manager (SSM) Parameter Store is a centralized service for storing and managing configuration data and secrets, which can be used by applications running on AWS. With the AWS Command Line Interface (CLI), you can easily list SSM parameters to view or modify their values using a simple set of commands. This article will discuss AWS CLI commands to list SSM parameters with examples.

List All SSM Parameters

The first command we will discuss is the aws ssm describe-parameters command. This command lists all SSM parameters available in your account. To use the command, open up your terminal and type:

aws ssm describe-parameters

This command will display a JSON object listing all parameters available in your account and their metadata. You can also use this command to search for parameters with specific criteria by using the --filters option. For example, to list only parameters that contain 'database' in the name, run the following command:

aws ssm describe-parameters --filters Key=Name,Values=*database*

List SSM Parameters by Path

Another way to list SSM parameters is by specifying the path to the parameter. The aws ssm get-parameters-by-path command lists all parameters with a given path. For instance, to list all parameters under the path /myapp/prod/, run:

aws ssm get-parameters-by-path --path /myapp/prod/

This command will display a JSON object listing all parameters under the /myapp/prod/ path.

List SSM Parameters by Name

If you need to list specific SSM parameters, you can use the aws ssm get-parameters command. This command lists parameters by name or ARN (Amazon Resource Name). To list a single parameter, run the following command:

aws ssm get-parameters --names ParameterName

Replace ParameterName with the name of the SSM parameter you want to display. You can also list multiple parameters by separating their names with a space:

aws ssm get-parameters --names ParameterName1 ParameterName2 ParameterName3

List SSM Parameters by Type

The aws ssm get-parameters-by-type command lists parameters of a specific type. For example, to list all SSM parameters of type SecureString, run:

aws ssm get-parameters-by-type --type SecureString

This command will display a JSON object listing all parameters of type SecureString. Similarly, you can list parameters of other types, such as String, StringList, and SecureStringList.

List SSM Parameters with their Values

To display SSM parameters and their values, use the --with-decryption option with the aws ssm get-parameters or aws ssm get-parameters-by-path command. For example, to list all parameters under the path /myapp/prod/ with their decrypted values, run:

aws ssm get-parameters-by-path --path /myapp/prod/ --with-decryption

List SSM Parameters with Specific Metadata

The aws ssm describe-parameters command can also be used to list SSM parameters with specific metadata. For instance, to list all SSM parameters with the tag Environment set to Production, run:

aws ssm describe-parameters --filters "Key=tag:Environment,Values=Production"

This command will display a JSON object listing all parameters with the Environment tag set to Production.

Conclusion

AWS CLI provides a convenient way to list SSM parameters with a few simple and intuitive commands. You can search for parameters using filters, list parameters by name or path, and display parameters with their values or specific metadata. These commands can save significant time and effort when managing configuration data and secrets in your AWS account.

let's dive deeper into the two topics mentioned in the previous article:

AWS Lambda Triggers

AWS Lambda Triggers are events that can trigger the execution of a Lambda function. With Lambda triggers, you can automate workflows, execute code in response to certain events, and build serverless architectures. AWS provides a variety of triggers, including the following:

  • API Gateway Triggers: Lambda functions can be invoked by API Gateway HTTP endpoints.
  • S3 Triggers: Lambda functions can be triggered by S3 when objects are added, deleted or modified.
  • CloudWatch Events Triggers: Lambda functions can be triggered by CloudWatch Events based on certain events or time schedules.
  • SNS Triggers: Lambda functions can be invoked by SNS notifications.
  • Alexa Skills Kit Triggers: Lambda functions can be used to process voice commands from Alexa.
  • DynamoDB Triggers: Lambda functions can be triggered by DynamoDB stream events.

To implement a trigger, you need to create a Lambda function with the appropriate event source. Then, configure the event source to point to the Lambda function. You can use AWS CLI to manage Lambda triggers and automate trigger setup and configuration.

AWS CLI List SSM Parameters

AWS CLI List SSM Parameters is a set of commands that allow you to list and manage SSM parameters. SSM Parameter Store is a secure, scalable, and highly available service for storing and managing secrets and configuration information, which can be used by applications running on AWS. AWS CLI List SSM Parameters is easy to use with its simple set of commands.

Using AWS CLI List SSM Parameters, you can list and view all the SSM parameters in your account using the aws ssm describe-parameters command. You can also filter SSM parameters based on specific criteria like tags, names, or types. For instance, the aws ssm describe-parameters --filters "Key=tag:Environment,Values=Production" command lists all SSM parameters with the Environment tag set to Production.

In addition to filtering, you can use AWS CLI List SSM Parameters to get SSM parameters by name or path. For example, running aws ssm get-parameters --names ParameterName lists the ParameterName parameter's value, while aws ssm get-parameters-by-path --path /myapp/prod/ lists all parameters under the /myapp/prod/ path.

Moreover, using AWS CLI List SSM Parameters, you can change and modify SSM parameter values and metadata. You can set or update parameter values using the aws ssm put-parameter command. Similarly, you can add tags and labels to SSM parameters with the aws ssm add-tags-to-resource command. All these commands can help you automate the management of SSM parameters in your AWS account effectively.

Final Words

AWS CLI Trigger and List SSM Parameters are essential tools for users looking to automate and manage workflows on AWS. With these set of standardized commands, AWS CLI users can accomplish tasks such as listing, filtering, getting specific values of SSM parameters or triggering Lambda functions with ease and flexibility. By using AWS CLI Trigger and List SSM Parameters, engineers and developers can save significant time, reducing the cost and complexity of management and ultimately enabling them to focus on their core tasks.

Popular questions

  1. What is AWS CLI List SSM Parameters?
    Answer: AWS CLI List SSM Parameters is a set of commands that allows users to manage and list System Manager (SSM) parameters. With these commands, users can filter, modify, and retrieve SSM parameters from their AWS accounts.

  2. Can AWS CLI List SSM Parameters be used to create new parameters?
    Answer: No, AWS CLI List SSM Parameters does not allow users to create new SSM parameters. Instead, users can modify and retrieve existing parameters using the commands provided.

  3. How can users list all SSM parameters in their account using AWS CLI?
    Answer: Users can list all SSM parameters with the command aws ssm describe-parameters.

  4. Can AWS CLI List SSM Parameters be used to list parameters by path?
    Answer: Yes, users can use the command aws ssm get-parameters-by-path to list all parameters under a given path.

  5. How can users change the value of an SSM parameter using AWS CLI List SSM Parameters?
    Answer: Users can change the value of an SSM parameter using the aws ssm put-parameter command, which allows them to set or update a parameter's value.

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Cloud Computing and DevOps Engineering have always been my driving passions, energizing me with enthusiasm and a desire to stay at the forefront of technological innovation. I take great pleasure in innovating and devising workarounds for complex problems. Drawing on over 8 years of professional experience in the IT industry, with a focus on Cloud Computing and DevOps Engineering, I have a track record of success in designing and implementing complex infrastructure projects from diverse perspectives, and devising strategies that have significantly increased revenue. I am currently seeking a challenging position where I can leverage my competencies in a professional manner that maximizes productivity and exceeds expectations.
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