github.com/grailbio/base@v0.0.11/cloud/awssession/session.go (about)

     1  // Copyright 2018 GRAIL, Inc. All rights reserved.
     2  // Use of this source code is governed by the Apache-2.0
     3  // license that can be found in the LICENSE file.
     4  
     5  // Package awssession provides a simple way to obtain AWS session.Session
     6  // using GRAIL tickets.
     7  package awssession
     8  
     9  import (
    10  	"time"
    11  
    12  	"github.com/aws/aws-sdk-go/aws"
    13  	"github.com/aws/aws-sdk-go/aws/credentials"
    14  	"github.com/aws/aws-sdk-go/aws/session"
    15  	"v.io/v23/context"
    16  )
    17  
    18  const (
    19  	region         = "us-west-2"
    20  	defaultTimeout = 10 * time.Second
    21  )
    22  
    23  // NewWithTicket creates an AWS session using a GRAIL ticket. The returned
    24  // session uses a Provider with a timeout of 10 seconds. The region will be set
    25  // to 'us-west-2' and can be overridden by passing an appropriate *aws.Config.
    26  func NewWithTicket(ctx *context.T, ticketPath string, cfgs ...*aws.Config) (*session.Session, error) {
    27  	cfg := NewConfigWithTicket(ctx, ticketPath)
    28  	cfgs = append([]*aws.Config{cfg}, cfgs...)
    29  	return session.NewSession(cfgs...)
    30  }
    31  
    32  // NewConfigWithTicket creates an AWS configuration using a GRAIL ticket. The
    33  // returned configuration uses a Provider with a timeout of 10 seconds. The
    34  // region will be set to 'us-west-2'.
    35  func NewConfigWithTicket(ctx *context.T, ticketPath string) *aws.Config {
    36  	creds := credentials.NewCredentials(&Provider{
    37  		Ctx:        ctx,
    38  		Timeout:    defaultTimeout,
    39  		TicketPath: ticketPath,
    40  	})
    41  	return aws.NewConfig().WithCredentials(creds).WithRegion(region)
    42  }