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aws-credentials

Query AWS EC2 metadata service for information

Overview

When sourced as a library, this provides functions to get various bits of information from the AWS EC2 instance metadata service. When operating as a script, it will output common environment variables used for AWS tools

This code handles environments where jq may not be available.

Index

aws_instance_profile_arn()

Acquires your instance profile ARN from the metadata API

Example

$ source aws/aws-credentials.sh
$ aws_instance_profile_arn
arn:aws:iam::896453262835:instance-profile/baskinc-role

aws_instance_profile_name()

Acquires your profile name from aws_instance_profile_arn() function

Example

$ source aws/aws-credentials.sh
$ aws_instance_profile_name
baskinc-role

aws_credentials()

Acquires your security credentials for your AWS instance profile

Example

$ source aws/aws-credentials.sh
$ aws_credentials
{
        "Code": "Success",
        "LastUpdated": "2020-04-02T18:50:40Z",
        "Type": "AWS-HMAC",
        "AccessKeyId": "12345678901",
        "SecretAccessKey": "v/12345678901",
        "Token": "TEST92test48TEST+y6RpoTEST92test48TEST/8oWVAiBqTEsT5Ky7ty2tEStxC1T==",
        "Expiration": "2020-04-02T00:49:51Z"
}

aws_access_key_id()

Acquires your AWS Access Key ID from aws_credentials() function

Example

$ source aws/aws-credentials.sh
$ aws_access_key_id
12345678901

aws_secret_access_key()

Acquires your AWS Secret Access Key from aws_credentials() function

Example

$ source aws/aws-credentials.sh
$ aws_secret_access_key
v/12345678901

aws_session_token()

Acquires your AWS Session Token from aws_credentials() function

Example

$ source aws/aws-credentials.sh
$ aws_session_token
TEST92test48TEST+y6RpoTEST92test48TEST/8oWVAiBqTEsT5Ky7ty2tEStxC1T==

aws_environment()

Outputs environment variable exports for your AWS credentials

Example

$ aws/aws-credentials.sh
export AWS_ACCESS_KEY_ID=12345678901
export AWS_SECRET_ACCESS_KEY=v/12345678901
export AWS_SESSION_TOKEN=TEST92test48TEST+y6RpoTEST92test48TEST/8oWVAiBqTEsT5Ky7ty2tEStxC1T==