aws cli create s3 bucket guide

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Posted Nov 13, 2024

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To create an S3 bucket using the AWS CLI, you'll need to use the `aws s3 mb` command. This command creates a new bucket in the specified region.

The `aws s3 mb` command has several options, including the ability to specify the bucket name, region, and access control list (ACL). For example, you can use the `--acl` option to specify the ACL for the bucket.

To specify the bucket name, you can use the `--bucket` option followed by the name of the bucket. For example, `aws s3 mb s3://mybucket --region us-west-2`.

Synopsis

To create an S3 bucket, you must use path-style requests in the format https://s3express-control.*region_code*.amazonaws.com/*bucket-name*.

Directory buckets have specific naming rules: the name must be unique in the chosen Availability Zone, and it must follow the format *bucket_base_name*--*az_id*--x-s3.

You'll need to use a specific profile from your credential file to perform this operation.

Directory bucket names must be in the format DOC-EXAMPLE-BUCKET –usw2-az1 –x-s3, following the format *bucket_base_name*--*az_id*--x-s3.

Virtual-hosted-style requests aren't supported for directory buckets.

Creating an S3 Bucket

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Creating an S3 Bucket is a straightforward process that can be done using the AWS CLI. You can use the `aws s3 mb` command to create a new bucket in Amazon S3.

To create an S3 bucket, you'll need to specify a unique name for the bucket. The name should be globally unique, so make sure to choose a name that hasn't been taken by someone else.

Here are the general steps to create an S3 bucket:

  • Use the `aws s3 mb` command to create a new bucket
  • Specify the name of the bucket using the `--bucket` option
  • Optionally, specify the region where the bucket should be created using the `--region` option

Here's an example of how to create an S3 bucket in the default region:

```bash

aws s3 mb s3://gfg-example

```

If you want to create the bucket in a specific region, you can use the `--region` option:

```bash

aws s3 mb s3://gfg-example2 --region ap-south-1

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```

You can also use the `s3api` command to create an S3 bucket. Here's an example:

```bash

aws s3api create-bucket --bucket gfg-eample3 --region eu-west-1

```

Note that when creating an S3 bucket, you may encounter errors if the bucket name is already taken. In such cases, you'll need to choose a different name for the bucket.

Installation and Setup

To install AWS CLI, you'll need an AWS account and valid IAM credentials. You can install the latest version on your machine or access it through AWS CloudShell, a browser-based shell that provides AWS customers with access to the CLI and other development tools.

AWS CLI comes pre-installed on Amazon Linux AMI, so if you're using that, you're good to go. You can also download and run the AWS CLI installer for Windows, MacOS, or Linux.

To access the AWS CLI in browser, use AWS CloudShell, which provides a convenient way to use the CLI without installing it on your machine.

What Is the CLI?

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The AWS CLI is a powerful tool that allows you to manage AWS services from the command line shell.

You can use the CLI to create, delete, and manage AWS resources such as EC2 instances, S3 buckets, RDS databases, and more.

To manage your AWS resources effectively, you can automate repetitive tasks and workflows with scripts or pre-built automation tools.

One of the key benefits of using the CLI is that it allows you to configure AWS services, IAM roles, permissions, and access policies.

Here are some of the key actions you can perform with the CLI:

  • Create, delete, and manage AWS resources
  • Configure AWS services, IAM roles, permissions, and access policies
  • Automate repetitive tasks and workflows
  • Access telemetry data from AWS services
  • Manage security settings, encryption, and access keys for AWS resources

The CLI also enables you to access telemetry data from AWS services for analysis and troubleshooting, which can help you identify and resolve issues more efficiently.

Installing the CLI

To get started with the AWS CLI, you'll need an AWS account and valid IAM credentials. You can install the latest version on your machine, which is the recommended method.

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The AWS CLI user guide contains instructions for installing CLI on Linux, MacOS, or Windows. You can also download and run the AWS CLI installer for Windows, MacOS, or Linux on the AWS website.

AWS CLI comes pre-installed on Amazon Linux AMI, so you don't need to install it if you're using that operating system. You can access the AWS CLI in browser via AWS CloudShell, a browser-based shell that provides AWS customers with access to the CLI and other development tools.

Buckets and ACL

You can create an S3 bucket using the low-level S3 API command, which allows you to interact with Amazon S3 through the AWS CLI.

The s3api command enables you to perform advanced operations on S3 buckets and objects, such as configuring bucket policies and setting access control lists (ACLs).

To set the access control list for an S3 bucket, you can use the put-bucket-acl command of s3api. This command is used to specify the ACL property of an S3 bucket.

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The put-bucket-acl command takes two options: --bucket and --acl. The --bucket option specifies the name of the S3 bucket, and the --acl option specifies the desired access control list for the bucket.

Here are the possible values for the --acl option:

  • private
  • public-read
  • public-read-write
  • authenticated-read
  • aws-exec-read
  • bucket-owner-read
  • bucket-owner-full-control

Carefully review the bucket policies and IAM Policies before executing the commands to ensure you're setting the correct ACL for your S3 bucket.

Commands and Automation

You can use the AWS CLI to automate the process of ingesting log data into your Amazon S3 bucket. One strategy is to schedule a Cron Job with AWS CLI in Linux, which allows you to automate tasks at specific times or intervals.

To automate log ingest with AWS CLI, you can use the `aws s3 sync` command to copy files from a source location to an S3 bucket. This command is similar to standard network copy tools like `scp` or `rsync`.

Here are some AWS S3 CLI commands that you can use to manage your S3-hosted files and buckets:

  • Multipart parallelized uploads
  • Integration with AWS IAM users and roles
  • Management of S3 buckets metadata
  • Encryption of S3 buckets/objects
  • Bucket policies
  • Setting permissions
  • Add/edit/remove objects from buckets
  • Add/edit/remove buckets
  • Secure the files' access through pre-signed URL's
  • Copy, sync, and move objects between buckets

By using these commands, you can automate tasks and make it easier to manage your S3 buckets and objects.

Options

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The AWS S3 CLI provides a range of options for creating and managing buckets. You can specify the canned ACL to apply to the bucket, choosing from private, public-read, public-read-write, or authenticated-read.

The --create-bucket-configuration option allows you to specify the configuration information for the bucket. This includes the Region where the bucket will be created, which defaults to the US East (N. Virginia) Region (us-east-1) if not specified. You can also use this option to grant permissions to the bucket, such as read, write, read ACP, and write ACP permissions, as well as the ability to list objects in the bucket.

The --grant-write option allows you to grant the ability to create, overwrite, and delete any object in the bucket. Similarly, the --grant-write-acp option allows you to grant the ability to write the ACL for the applicable bucket.

You can also specify whether you want S3 Object Lock to be enabled for the new bucket using the --object-lock-enabled-for-bucket option.

Here are the possible values for the canned ACL option:

  • private
  • public-read
  • public-read-write
  • authenticated-read

Output

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Output is a crucial part of many commands and automation processes.

You can specify the Region where a bucket will be created, but it's not always necessary. For example, if you're creating a bucket on the US East (N. Virginia) Region (us-east-1), you can skip specifying the location.

Commands and Automation

Automating log ingestion to Amazon S3 buckets is a breeze with AWS CLI. You can use the AWS CLI to automate the process of ingesting log data into your S3 bucket by scheduling a cron job with AWS CLI in Linux.

To get started, you'll need to create an S3 bucket with Amazon CLI and give yourself permission to write data to that bucket. This will allow you to add your first object in the bucket and start automating log ingest with AWS CLI.

Scheduling a cron job with AWS CLI in Linux is one of the strategies for automating log ingest with AWS CLI. You can also use Monitoring and shipping logs with Watchdog and watchmedo as another approach.

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The AWS CLI provides a range of commands for interacting with S3 buckets, including creating, listing, and deleting buckets. You can use these commands to automate tasks such as ingesting log data into your S3 bucket.

AWS services like AWS CloudTrail, Elastic Load Balancing (ELB), Amazon CloudFront, and Amazon CloudWatch can ship logs to S3. You can use the AWS CLI to interact with these services and ship the log data they collect to an S3 bucket.

Here are some examples of AWS services that can ship logs to S3:

  • AWS CloudTrail - An AWS service that logs API calls made on your account by users, services, and other AWS resources.
  • Elastic Load Balancing (ELB) - An AWS service that distributes incoming traffic across multiple EC2 instances, containers, or IP addresses.
  • Amazon CloudFront - A content delivery network (CDN) service.
  • Amazon CloudWatch - An application monitoring and observability tool that collects telemetry data from resources, applications, and services that run on AWS.

By using the AWS CLI to automate log ingest, you can simplify the process of managing your log data and gain insights into your cloud infrastructure and services.

Ann Predovic

Lead Writer

Ann Predovic is a seasoned writer with a passion for crafting informative and engaging content. With a keen eye for detail and a knack for research, she has established herself as a go-to expert in various fields, including technology and software. Her writing career has taken her down a path of exploring complex topics, making them accessible to a broad audience.

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