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README.md

@smithy/shared-ini-file-loader

AWS Shared Configuration File Loader

This module provides a function that reads from AWS SDK configuration files and returns a promise that will resolve with a hash of the parsed contents of the AWS credentials file and of the AWS config file. Given the sample files below, the promise returned by loadSharedConfigFiles would resolve with:

{
  configFile: {
    'default': {
      aws_access_key_id: 'foo',
      aws_secret_access_key: 'bar',
    },
    dev: {
      aws_access_key_id: 'foo1',
      aws_secret_access_key: 'bar1',
    },
    prod: {
      aws_access_key_id: 'foo2',
      aws_secret_access_key: 'bar2',
    },
    'testing host': {
      aws_access_key_id: 'foo4',
      aws_secret_access_key: 'bar4',
    }
  },
  credentialsFile: {
    'default': {
      aws_access_key_id: 'foo',
      aws_secret_access_key: 'bar',
    },
    dev: {
      aws_access_key_id: 'foo1',
      aws_secret_access_key: 'bar1',
    },
    prod: {
      aws_access_key_id: 'foo2',
      aws_secret_access_key: 'bar2',
    }
  },
}

If a file is not found, its key (configFile or credentialsFile) will instead have a value of an empty object.

Supported configuration

You may customize how the files are loaded by providing an options hash to the loadSharedConfigFiles function. The following options are supported:

filepath - The path to the shared credentials file. If not specified, the provider will use the value in the AWS_SHARED_CREDENTIALS_FILE environment variable or a default of ~/.aws/credentials.
configFilepath - The path to the shared config file. If not specified, the provider will use the value in the AWS_CONFIG_FILE environment variable or a default of ~/.aws/config.
ignoreCache - The provider will normally cache the contents of the files it loads. This option will force the provider to reload the files from disk. Defaults to false.

Sample files

`~/.aws/credentials`

[default]
aws_access_key_id=foo
aws_secret_access_key=bar

[dev]
aws_access_key_id=foo2
aws_secret_access_key=bar2

[prod]
aws_access_key_id=foo3
aws_secret_access_key=bar3

`~/.aws/config`

[default]
aws_access_key_id=foo
aws_secret_access_key=bar

[profile dev]
aws_access_key_id=foo2
aws_secret_access_key=bar2

[profile prod]
aws_access_key_id=foo3
aws_secret_access_key=bar3

[profile "testing host"]
aws_access_key_id=foo4
aws_secret_access_key=bar4