terraform/vendor/github.com/aws/aws-sdk-go/README.md

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# AWS SDK for Go
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aws-sdk-go is the official AWS SDK for the Go programming language.
Checkout our [release notes](https://github.com/aws/aws-sdk-go/releases) for information about the latest bug fixes, updates, and features added to the SDK.
## Installing
If you are using Go 1.5 with the `GO15VENDOREXPERIMENT=1` vendoring flag, or 1.6 and higher you can use the following command to retrieve the SDK. The SDK's non-testing dependencies will be included and are vendored in the `vendor` folder.
go get -u github.com/aws/aws-sdk-go
Otherwise if your Go environment does not have vendoring support enabled, or you do not want to include the vendored SDK's dependencies you can use the following command to retrieve the SDK and its non-testing dependencies using `go get`.
go get -u github.com/aws/aws-sdk-go/aws/...
go get -u github.com/aws/aws-sdk-go/service/...
If you're looking to retrieve just the SDK without any dependencies use the following command.
go get -d github.com/aws/aws-sdk-go/
These two processes will still include the `vendor` folder and it should be deleted if its not going to be used by your environment.
rm -rf $GOPATH/src/github.com/aws/aws-sdk-go/vendor
## Getting Help
Please use these community resources for getting help. We use the GitHub issues for tracking bugs and feature requests.
* Ask a question on [StackOverflow](http://stackoverflow.com/) and tag it with the [`aws-sdk-go`](http://stackoverflow.com/questions/tagged/aws-sdk-go) tag.
* Come join the AWS SDK for Go community chat on [gitter](https://gitter.im/aws/aws-sdk-go).
* Open a support ticket with [AWS Support](http://docs.aws.amazon.com/awssupport/latest/user/getting-started.html).
* If you think you may of found a bug, please open an [issue](https://github.com/aws/aws-sdk-go/issues/new).
## Opening Issues
If you encounter a bug with the AWS SDK for Go we would like to hear about it. Search the [existing issues]( https://github.com/aws/aws-sdk-go/issues) and see if others are also experiencing the issue before opening a new issue. Please include the version of AWS SDK for Go, Go language, and OS youre using. Please also include repro case when appropriate.
The GitHub issues are intended for bug reports and feature requests. For help and questions with using AWS SDK for GO please make use of the resources listed in the [Getting Help]( https://github.com/aws/aws-sdk-go#getting-help) section. Keeping the list of open issues lean will help us respond in a timely manner.
## Reference Documentation
[`Getting Started Guide`](https://aws.amazon.com/sdk-for-go/) - This document is a general introduction how to configure and make requests with the SDK. If this is your first time using the SDK, this documentation and the API documentation will help you get started. This document focuses on the syntax and behavior of the SDK. The [Service Developer Guide](https://aws.amazon.com/documentation/) will help you get started using specific AWS services.
[`SDK API Reference Documentation`](https://docs.aws.amazon.com/sdk-for-go/api/) - Use this document to look up all API operation input and output parameters for AWS services supported by the SDK. The API reference also includes documentation of the SDK, and examples how to using the SDK, service client API operations, and API operation require parameters.
[`Service Developer Guide`](https://aws.amazon.com/documentation/) - Use this documentation to learn how to interface with an AWS service. These are great guides both, if you're getting started with a service, or looking for more information on a service. You should not need this document for coding, though in some cases, services may supply helpful samples that you might want to look out for.
[`SDK Examples`](https://github.com/aws/aws-sdk-go/tree/master/example) - Included in the SDK's repo are a several hand crafted examples using the SDK features and AWS services.
## Configuring Credentials
Before using the SDK, ensure that you've configured credentials. The best
way to configure credentials on a development machine is to use the
`~/.aws/credentials` file, which might look like:
```
[default]
aws_access_key_id = AKID1234567890
aws_secret_access_key = MY-SECRET-KEY
```
You can learn more about the credentials file from this
[blog post](http://blogs.aws.amazon.com/security/post/Tx3D6U6WSFGOK2H/A-New-and-Standardized-Way-to-Manage-Credentials-in-the-AWS-SDKs).
Alternatively, you can set the following environment variables:
```
AWS_ACCESS_KEY_ID=AKID1234567890
AWS_SECRET_ACCESS_KEY=MY-SECRET-KEY
```
### AWS shared config file (`~/.aws/config`)
The AWS SDK for Go added support the shared config file in release [v1.3.0](https://github.com/aws/aws-sdk-go/releases/tag/v1.3.0). You can opt into enabling support for the shared config by setting the environment variable `AWS_SDK_LOAD_CONFIG` to a truthy value. See the [Session](https://github.com/aws/aws-sdk-go/wiki/sessions) wiki for more information about this feature.
## Using the Go SDK
To use a service in the SDK, create a service variable by calling the `New()`
function. Once you have a service client, you can call API operations which each
return response data and a possible error.
To list a set of instance IDs from EC2, you could run:
```go
package main
import (
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ec2"
)
func main() {
sess, err := session.NewSession()
if err != nil {
panic(err)
}
// Create an EC2 service object in the "us-west-2" region
// Note that you can also configure your region globally by
// exporting the AWS_REGION environment variable
svc := ec2.New(sess, &aws.Config{Region: aws.String("us-west-2")})
// Call the DescribeInstances Operation
resp, err := svc.DescribeInstances(nil)
if err != nil {
panic(err)
}
// resp has all of the response data, pull out instance IDs:
fmt.Println("> Number of reservation sets: ", len(resp.Reservations))
for idx, res := range resp.Reservations {
fmt.Println(" > Number of instances: ", len(res.Instances))
for _, inst := range resp.Reservations[idx].Instances {
fmt.Println(" - Instance ID: ", *inst.InstanceId)
}
}
}
```
You can find more information and operations in our
[API documentation](http://docs.aws.amazon.com/sdk-for-go/api/).
## License
This SDK is distributed under the
[Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0),
see LICENSE.txt and NOTICE.txt for more information.