> For the complete documentation index, see [llms.txt](https://lib.rjo.me/newlib/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://lib.rjo.me/newlib/cloudproviders/aws.md).

# Amazon Webservices

\#useful awscli and other commands etc.

## Find out who you are

`aws sts get-caller-identity`

## Windows aws s3 cp

Download several files from a list of Filenams through a For-Each Loop in Powershell

```
$filen = "C:\Users\<filepath>.txt"

foreach($line in Get-Content $filen){
    aws s3 cp s3://<S3-BUcket>/<path>/$line <local-path> $line --profile <aws-profile-name> 
}
```

## Cloudformation

### Deploy an EC2 Instance

The linked File deploys an EC2 Instance through Cloudformation [EC2.yaml](https://github.com/MartinFeineis/Library/blob/master/AWS/EC2_CF.yaml). Content for base64 raw UserData File:

```
aws s3 cp s3://bucket/script.sh . && chmod +x script.sh && ./script.sh -w 0
```

Put this in a file called `b64_content`. The Deployment script will base64 encode it and put replace the `UserData` in the cloudformation script with it using `sed` Deployment Script

```bash
#!/bin/sh
if [ "$1" = -d ]
then
	aws cloudformation delete-stack --stack-name ec2-test-stack
else
	B64=$(base64 b64_content | paste -s -d='')
	sed -i "s/UserData: .*/UserData: \"$B64\"/g" cf_ans.yaml
	aws cloudformation deploy --template-file cf_ans.yaml --stack-name ec2-test-stack
fi
```

### Lambda

### IAM

The file IAMUser.yaml creates a IAM User with admin privileges and programmatic access but no Login Access to the Managment Console. I use this user to deploy to my Laptops through ansible to have awscli Access without configuration overhead.\
[IAMUser.yaml](https://github.com/MartinFeineis/Library/blob/master/AWS/IAMUser.yaml) To deploy the user to the StackName `userStack` run, and use the describe-stack `describe-stack-events` command to recieve the `access-key` and `secret-access-key`

### Cloudformation

Need to validate these commands when I get a chance

```
aws cloudformation create-stack --stack-name ec2dev --template-file file://EC2_CF.yaml
aws cloudformation describe-stack-events --stack-name ec2dev
aws cloudformation list-stacks
aws cloudformation update-stack --template-body file://terraform-backend-cf.yaml --stack-name udemy-backend-tf --capabilities CAPABILITY_NAMED_IAM
aws cloudformation update-stack --template-file terraform-backend-cf.yaml --stack-name udemy-backend-tf --capabilities CAPABILITY_NAMED_IAM
aws cloudformation validate-template help
aws cloudformation validate-template --template-body backend.yaml
aws cloudformation validate-template --template-body file://backend.yaml
aws cloudformation delete-stack --stack-name ec2dev
aws cloudformation deploy --template-file IAMUser.yaml --stack-name userStack --capabilities CAPABILITY_NAMED_IAM
aws cloudformation describe-stack-events --stack-name userStack
```

### Deleting a Stack

To delete a Stack with `stackName` run\
`aws cloudformation delete-stack --stack-name userStack`

### cloudfront

Create a list of all cloudfront distributions

```
aws cloudfront list-distributions | jq -c '."DistributionList"."Items"[] | {"Id" : ."Id"} '
```

Explanation: `.` takes all elemens `{"Id" : ."Id"}` creates an object with the Key "Id" and the value of `Id` from the List it gets passed `jq -c`: Does not print a new Line after every Element ##Cloudwatch List all metrics where the Namespace contains **Usage**

```
aws cloudwatch list-metrics | jq '."Metrics"[] | select(."Namespace" | contains("Usage"))'
```