-
-
Save billyteves/1933ebcba211b45cfaf67a1e02de9c14 to your computer and use it in GitHub Desktop.
curl get file from private s3 with iam role
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
instance_profile=`curl http://169.254.169.254/latest/meta-data/iam/security-credentials/` | |
aws_access_key_id=`curl http://169.254.169.254/latest/meta-data/iam/security-credentials/${instance_profile} | grep AccessKeyId | cut -d':' -f2 | sed 's/[^0-9A-Z]*//g'` | |
aws_secret_access_key=`curl http://169.254.169.254/latest/meta-data/iam/security-credentials/${instance_profile} | grep SecretAccessKey | cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g'` | |
token=`curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/${instance_profile} | sed -n '/Token/{p;}' | cut -f4 -d'"'` | |
file="somefile.deb" | |
bucket="some-bucket-of-mine" | |
date="`date +'%a, %d %b %Y %H:%M:%S %z'`" | |
resource="/${bucket}/${file}" | |
signature_string="GET\n\n\n${date}\nx-amz-security-token:${token}\n/${resource}" | |
signature=`/bin/echo -en "${signature_string}" | openssl sha1 -hmac ${aws_secret_access_key} -binary | base64` | |
authorization="AWS ${aws_access_key_id}:${signature}" | |
curl -s -H "Date: ${date}" -H "X-AMZ-Security-Token: ${token}" -H "Authorization: ${authorization}" "https://s3-us-west-1.amazonaws.com/${resource}" -o "output.deb" |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{ | |
"Version": "2012-10-17", | |
"Id": "Policy1441048292119", | |
"Statement": [ | |
{ | |
"Sid": "Stmt1441048289544", | |
"Effect": "Allow", | |
"Principal": { | |
"AWS": [ | |
"arn:aws:iam::123456789012:role/your_role_name", | |
] | |
}, | |
"Action": "s3:*", | |
"Resource": "arn:aws:s3:::some-bucket-of-mine/*" | |
} | |
] | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{ | |
"Version": "2012-10-17", | |
"Statement": [ | |
{ | |
"Effect": "Allow", | |
"Action": "s3:*", | |
"Resource": [ | |
"arn:aws:s3:::some-bucket-of-mine", | |
"arn:aws:s3:::some-bucket-of-mine/*" | |
] | |
}, | |
] | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment