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AWS Command line interface

Installation and setup

There are a number of different ways to install the AWS CLI on your machine, depending on what operating system and environment you are using:

On Microsoft Windows – use the MSI installer. On Linux, OS X, or Unix – use pip (a package manager for Python software) or install manually with the bundled installer.

Install using pip:

You will need python to be installed (version 2, 2.6.5+,3 or 3.3+). Check with

python --version
pip --help

Given that both of these are installed, use the following command to install the aws cli.

sudo pip install awscli

Install on Windows The AWS CLI is supported on Microsoft Windows XP or later. For Windows users, the MSI installation package offers a familiar and convenient way to install the AWS CLI without installing any other prerequisites. Windows users should use the MSI installer unless they are already using pip for package management.

MSI Installer for Windows 32-bit MSI Installer for Windows 64-bit Run the downloaded MSI installer. Follow the instructions that appear.

To install the AWS CLI using the bundled installer

Prerequisites:

Unzip the package.

Run the install executable.

On Linux and OS X, here are the three commands that correspond to each step:

curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip"
unzip awscli-bundle.zip
sudo ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws

Install using HomeBrew on OS X:

Another option for OS X

brew install awscli

Test the AWS CLI Installation

Confirm that the CLI is installed correctly by viewing the help file. Open a terminal, shell or command prompt, enter aws help and press Enter:

  aws help

Configuring the AWS CLI

Once you have finished the installation you need to configure it. You’ll need your access key and secret key that you get when you create your account on aws. You can also specify a default region name and a default output type (text|table|json).

  $ aws configure
  AWS Access Key ID [None]: AKIAIOSFODNN7EXAMPLE
  AWS Secret Access Key [None]: wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
  Default region name [None]: us-west-2
  Default output format [None]: ENTER

Updating the CLI tool

Amazon periodically releases new versions of the AWS Tool. If the tool was installed using the Python Pip tool the following command will check the remote repository for updates, and apply it to your local system.

  pip install awscli --upgrade

Using aws cli commands

The syntax for using the aws cli is as follows:

  aws [options] <command> <subcommand> [parameters]

Some examples using the ‘ec2’ command and the ‘describe-instances’ subcommand:

  aws ec2 describe-instances
  aws ec2 describe-instances --instance-ids <your-id>

Example with a fake id:

  aws ec2 describe-instances --instance-ids i-c71r246a

IAM

Users

aws iam list-users
aws iam list-users --output text | cut -f 6 # list all users usernames
aws iam list-users --no-paginate
aws iam get-user # list current users info
aws iam get-user --user-name aws-admin2
aws iam list-access-keys # list current users access keys
aws iam create-user --user-name aws-admin2 # create new user
aws iam delete-user --user-name aws-admin2

create multiple new users, from a file

allUsers=$(cat ./user-names.txt)
for userName in $allUsers; do
    aws iam create-user \
        --user-name $userName
done

delete all users

# allUsers=$(aws iam list-users --output text | cut -f 6);
allUsers=$(cat ./user-names.txt)
for userName in $allUsers; do
    aws iam delete-user \
        --user-name $userName
done

Password policy

  aws iam get-account-password-policy # list policy
  aws iam delete-account-password-policy # delete policy

set policy

  aws iam update-account-password-policy \
      --minimum-password-length 12 \
      --require-symbols \
      --require-numbers \
      --require-uppercase-characters \
      --require-lowercase-characters \
      --allow-users-to-change-password

Access Keys

  aws iam list-access-keys                        # list all access keys
  aws iam list-access-keys --user-name aws-admin2 # list access keys of a specific user

create a new access key

  aws iam create-access-key --user-name aws-admin2 --output text | tee aws-admin2.txt

list last access time of an access key

  aws iam get-access-key-last-used --access-key-id AKIAINA6AJZY4EXAMPLE

deactivate an acccss key

  aws iam update-access-key \
      --access-key-id AKIAI44QH8DHBEXAMPLE \
      --status Inactive \
      --user-name aws-admin2

delete an access key

  aws iam delete-access-key \
      --access-key-id AKIAI44QH8DHBEXAMPLE \
      --user-name aws-admin2

Groups, Policies, Managed Policies

aws iam list-groups                                          # list all groups
aws iam create-group --group-name FullAdmins                 # create a group
aws iam delete-group --group-name FullAdmins                 # delete a group
aws iam list-policies                                        # list all policies
aws iam get-policy --policy-arn <value>                      # get a specific policy
aws iam list-entities-for-policy --policy-arn <value>        # list all users, groups, and roles, for a given policy
aws iam list-attached-group-policies --group-name FullAdmins # list policies, for a given group
aws iam get-group --group-name FullAdmins                    # list users, for a given group
aws iam list-groups-for-user --user-name aws-admin2          # list groups, for a given user
aws iam delete-group --group-name FullAdmins                 # delete a group
aws iam add-user-to-group --group-name FullAdmins --user-name aws-admin2 # add a user to a group

add a policy to a group

aws iam attach-group-policy \
    --group-name FullAdmins \
    --policy-arn arn:aws:iam::aws:policy/AdministratorAccess

remove a user from a group

aws iam remove-user-from-group \
  *-group-name FullAdmins \
  *-user-name aws-admin2

remove a policy from a group

aws iam detach-group-policy \
  *-group-name FullAdmins \
  *-policy-arn arn:aws:iam::aws:policy/AdministratorAccess

Cloudwatch

Log Groups

  aws logs create-log-group --log-group-name "DefaultGroup" # create a group
  aws logs describe-log-groups                              # list all log groups
  aws logs describe-log-groups --log-group-name-prefix "Default"
  aws logs delete-log-group --log-group-name "DefaultGroup" # delete a group

Log Streams

Log group names can be between 1 and 512 characters long. Allowed characters include a-z, A-Z, 0-9, (underscore), ‘-’ (hyphen), ‘/’ (forward slash), and ‘.’ (period).

create a log stream

  aws logs create-log-stream --log-group-name "DefaultGroup" --log-stream-name "syslog"

list details on a log stream

  aws logs describe-log-streams --log-group-name "syslog"
  aws logs describe-log-streams --log-stream-name-prefix "syslog"

delete a log stream

  aws logs delete-log-stream --log-group-name "DefaultGroup" --log-stream-name "Default Stream"

Volumes & snapshots

aws ec2 delete-snapshot           --snapshot-id snap-4e665454
aws ec2 describe-volumes
aws ec2 attach-volume             --instance-id i-dddddd70 --volume-id vol-1d5cc8cc --device /dev/sdh

Find all volumes not attached to any instance in all Regions

REGIONS=$(aws ec2 describe-regions --output text --query 'Regions[].[RegionName]')
for REGION in $REGIONS; do
    echo $REGION
    aws ec2 describe-volumes \
        --filter "Name=status,Values=available" \
        --query 'Volumes[*].{VolumeID:VolumeId,Size:Size,Type:VolumeType,AvailabilityZone:AvailabilityZone}' \
        --region $REGION
done

Get the status of all volumes currently in the optimizing stage (after volume modification) in all Regions

for REGION in $REGIONS; do
    echo $REGION
    aws ec2 describe-volumes-modifications \
        --query 'VolumesModifications[].{VolumeID:VolumeId,
            TargetSize:TargetSize,
            OriginalSize:OriginalSize,
            Progress:Progress,
            OriginalIops:OriginalIops,
            TargetIops:TargetIops}' \
        --output json \
        --filter 'Name=modification-state,Values=optimizing' \
        --region $REGION
done

Find all volumes in the “error” state in all Regions

  for REGION in $REGIONS; do
      echo $REGION
      aws ec2 describe-volumes \
          --filter "Name=status,Values=error" \
          --query 'Volumes[*].{VolumeID:VolumeId,Size:Size,Type:VolumeType,
                  AvailabilityZone:AvailabilityZone}' \
          --region $REGION;
  done

Find all publicly available snapshots in an AWS account in all Regions

for REGION in $REGIONS; do
    echo "$REGION:"
    SNAPS=$(aws ec2 describe-snapshots --owner self --output json --region $REGION \
            --query 'Snapshots[*].SnapshotId' --output text)
    for snap in $SNAPS; do
        aws ec2 describe-snapshot-attribute \
            --snapshot-id $snap \
            --region $REGION \
            --output json \
            --attribute createVolumePermission \
            --query '[SnapshotId,CreateVolumePermissions[?Group == `all`]]' \
        | jq -r '.[]'
    done
    echo
done

Find all snapshots over one month old. The following command lists all EBS snapshots using the describe-snapshots operation, where the timestamp is older than one month ( –date=‘-1 month’).

  aws ec2 describe-snapshots --owner self --output json \
  | jq '.Snapshots[] | select(.StartTime < "'$(date --date='-1 month' '+%Y-%m-%d')'") | [.Description, .StartTime, .SnapshotId]'

List snapshots over 1 month old in all Regions

for REGION in $REGIONS; do
    echo $REGION
    aws ec2 describe-snapshots \
        --owner self \
        --region $REGION \
        --output json \
    | jq '.Snapshots[] | select(.StartTime < "'$(date --date='-1 month' '+%Y-%m-%d')'") | [.Description, .StartTime, .SnapshotId]'
done

Instances

aws ec2 describe-instance-status # list status of all instances
aws ec2 reboot-instances          --instance-ids i-dddddd70
aws ec2 start-instances           --instance-ids i-dddddd70
aws ec2 stop-instances            --instance-ids i-5c8282ed

create a new instance

aws ec2 run-instances \
    --image-id ami-f0e7d19a \
    --instance-type t2.micro \
    --security-group-ids sg-00000000 \
    --dry-run
aws ec2 run-instances             --dry-run \
    --image-id ami-08111162 \
    --count 1 \
    --instance-type t1.micro \
    --key-name MyKeyPair \
    --security-groups my-ami-security-group
aws ec2 run-instances \
    --image-id ami-abcd1234 --count 1 --instance-type m3.medium \
    --key-name my-key-pair --subnet-id subnet-abcd1234 --security-group-ids sg-abcd1234 \
    --user-data file://myscript.txt

myscript.txt:

#!/bin/bash
yum update -y
service httpd start
chkconfig httpd on

otro ejemplo

#!/bin/bash
yum update -y amazon-linux-extras install lamp-mariadb10.2-php7.2 \
    php7.2 yum install httpd mariadb-server
systemctl start httpd
systemctl enable httpd
usermod -a -G apache ec2-user
chown -R ec2-user:apache /var/www
chmod 2775 /var/www
find /var/www -type d -exec chmod 2775 {} \;
find /var/www -type f -exec chmod 0664 {} \;
echo "<?php phpinfo(); ?>" > /var/www/html/phpinfo.php

Verify script results on /var/log/cloud-init-output.log

stop an instance

  aws ec2 terminate-instances --instance-ids INSTANCEID
  aws ec2 terminate-instances --instance-ids --dry-run i-dddddd70

list status of a specific instance

  aws ec2 describe-instances --instance-ids i-dddddd70
  aws ec2 describe-instances \
  --output text \
  --query "Reservations[*].Instances[*].[Placement.AvailabilityZone,
          State.Name,
          InstanceType,
          InstanceId,
          Tags[?Key=='Name']|[0].Value,
          Tags[?Key=='Gias_Name']|[0].Value]" \
  --filters "Name=instance-state-name,Values=running,stopped"  "Name=vpc-id,Values=XXX"

Modify attributes

aws ec2 modify-instance-attribute --instance-id  i-44a44ac3 \
    --instance-type "{\"Value\": \"m1.small\"}"
aws ec2 modify-instance-attribute --instance-id  i-44a44ac3 --disable-api-termination
aws ec2 modify-instance-attribute --instance-id  i-44a44ac3 --no-disable-api-termination

Images

  aws ec2 create-image \
      --instance-id i-44a44ac3 --name "Dev AMI" \
      --description "AMI for development server"
  aws ec2 describe-images  --image-ids ami-2d574747
  aws ec2 deregister-image --image-id ami-2d574747

Tags

  aws ec2 describe-tags # list the tags of an instance

add a tag to an instance

  aws ec2 create-tags --resources "ami-1a2b3c4d" --tags Key=name,Value=debian
  aws ec2 create-tags --resources i-dddddd70 --tags Key=Department,Value=Finance

delete a tag on an instance

  aws ec2 delete-tags --resources "ami-1a2b3c4d" --tags Key=Name,Value=

Console

  aws ec2 get-console-output  --instance-id i-44a44ac3
  aws ec2 monitor-instances   --instance-ids i-44a44ac3
  aws ec2 unmonitor-instances --instance-ids i-44a44ac3

Security Groups

aws ec2 describe-security-groups
aws ec2 create-security-group --vpc-id vpc-1a2b3c4d --group-name web-access --description "web access"
aws ec2 describe-security-groups --group-id sg-0000000
aws ec2 delete-security-group --group-id sg-00000000

open port 80, for everyone

  aws ec2 authorize-security-group-ingress \
  --group-id sg-0000000 \
  --protocol tcp \
  --port 80 \
  --cidr 0.0.0.0/24

get my public ip

  my_ip=$(dig +short myip.opendns.com @resolver1.opendns.com);
  echo $my_ip

open port 22, just for my ip

  aws ec2 authorize-security-group-ingress \
  --group-id sg-0000000 \
  --protocol tcp \
  --port 80 \
  --cidr $my_ip/24

remove a firewall rule from a group

  aws ec2 revoke-security-group-ingress \
  --group-id sg-0000000 \
  --protocol tcp \
  --port 80 \
  --cidr 0.0.0.0/24

Keypairs

  aws ec2 describe-key-pairs
  aws ec2 create-key-pair --key-name dev-servers
  aws ec2 delete-key-pair --key-name dev-servers

create a new private / public keypair, using RSA 2048-bit

  ssh-keygen -t rsa -b 2048

import an existing keypair

  aws ec2 import-key-pair \
      --key-name keyname_test \
      --public-key-material file:///home/apollo/id_rsa.pub

Profiles

To setup a new credential profile with the name myprofile :

  aws configure --profile myprofile
      AWS Access Key ID [None]: ACCESSKEY
      AWS Secret Access Key [None]: SECRETKEY
      Default region name [None]: REGIONNAME
      Default output format [None]: text | table | json

For the AWS access key id and secret, create an IAM user in the AWS console and generate keys for it. Region will be the default region for commands in the format eu-west-1 or us-east-1 . The default output format can either be text , table or json . You can now use the profile name in other commands by using the –profile option, e.g.:

  aws ec2 describe-instances --profile myprofile

AWS libraries for other languages (e.g. aws-sdk for Ruby or boto3 for Python) have options to use the profile you create with this method too. E.g. creating a new session in boto3 can be done like this, boto3.Session(profile\_name:‘myprofile’) and it will use the credentials you created for the profile.

The details of your aws-cli configuration can be found in \~/.aws/config and \~/.aws/credentials (on linux and mac-os). These details can be edited manually from there.

S3

  aws s3 --region eu-central-1 cp xxxxx s3://enel-staging-sc/lah/xxxxx --acl public-read
  aws s3 --region eu-central-1 cp s3://enel-staging-sc/lah/xxxxx xxxxx
  aws s3 --region eu-central-1 ls s3://enel-staging-sc/lah/xxxxx
  aws s3 --region eu-central-1 rm s3://enel-staging-sc/lah/xxxxx

Use a named profile

  aws --profile myprofile s3 ls

List all objects in a bucket, including objects in folders, with size in human-readable format and a summary of the buckets properties in the end

  aws s3 ls --recursive --summarize --human-readable s3://<bucket_name>/

Cloudtrail - Logging and Auditing

list all trails

  aws cloudtrail describe-trails

create a new trail

  aws cloudtrail create-subscription \
      --name awslog \
      --s3-new-bucket awslog2016

list the names of all trails

  aws cloudtrail describe-trails --output text | cut -f 8

get the status of a trail

  aws cloudtrail get-trail-status --name awslog

delete a trail

  aws cloudtrail delete-trail --name awslog

delete the S3 bucket of a trail

  aws s3 rb s3://awslog2016 --force

add tags to a trail, up to 10 tags

  aws cloudtrail add-tags \
      --resource-id awslog \
      --tags-list "Key=log-type,Value=all"

list the tags of a trail

  aws cloudtrail list-tags --resource-id-list

remove a tag from a trail

  aws cloudtrail remove-tags \
      --resource-id awslog \
      --tags-list "Key=log-type,Value=all"

Network Load Balancer

Create your load balancer

  aws elbv2 create-load-balancer --name my-load-balancer --type network
  --subnets subnet-0e3f5cac72EXAMPLE

create a target group, specifying the same VPC that you used for your EC2 instances:

  aws elbv2 create-target-group --name my-targets --protocol TCP \
  --port 80 --vpc-id vpc-0598c7d356EXAMPLE

register your instances with your target group:

  aws elbv2 register-targets --target-group-arn targetgroup-arn \
  --targets Id=i-1234567890abcdef0 Id=i-0abcdef1234567890

create a listener for your load balancer with a default rule that forwards requests to your target group:

  aws elbv2 create-listener --load-balancer-arn loadbalancer-arn --protocol TCP --port 80  \
  --default-actions Type=forward,TargetGroupArn=targetgroup-arn

verify the health of the registered targets for your target group using this

  aws elbv2 describe-target-health --target-group-arn targetgroup-arn

Specify an Elastic IP address for your load balancer

  aws elbv2 create-load-balancer --name my-load-balancer --type network \
  --subnet-mappings SubnetId=subnet-0e3f5cac72EXAMPLE,AllocationId=eipalloc-12345678

Delete your load balancer

  aws elbv2 delete-load-balancer --load-balancer-arn loadbalancer-arn
  aws elbv2 delete-target-group --target-group-arn targetgroup-arn

Others

  aws glacier create-vault --account-id xxxxx --vault-name myvault
  aws sts get-caller-identity

Get console output

A useful awscli feature is get-console-output which allows us to view the Linux console of an instance shortly after the instance boots. You will have to pipe the output of get-console-output into sed to correct line feeds and carriage returns.

    $ aws ec2 get-console-output --instance-id i-0d9c2b31 \
    | sed 's/\\n/\n/g' | sed 

Completer

    which aws_completer
    /usr/local/bin/aws_completer

Bundled Installer – if you used the bundled installer per the instructions in the previous section, the AWS completer will be located in the bin subfolder of the installation directory.

ls /usr/local/aws/bin
activate
activate.csh
activate.fish
activate_this.py
aws
aws.cmd
aws_completer

If all else fails, you can use find to search your entire file system for the AWS completer.

$ find / -name aws_completer
/usr/local/aws/bin/aws_completer

bash – use the built-in command complete.

complete -C '/usr/local/bin/aws_completer' aws

Note

/usr/local/bin is the default installation directory when you install the AWS CLI with pip. See Locate the AWS Completer (p. 14) if you are not sure where the AWS CLI was installed.

AWSCLI v2

curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
unzip awscliv2.zip
sudo ./aws/install