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package ec2_test
import (
"crypto/rand"
"fmt"
"github.com/docker/goamz/aws"
"github.com/docker/goamz/ec2"
"github.com/docker/goamz/testutil"
"gopkg.in/check.v1"
)
// AmazonServer represents an Amazon EC2 server.
type AmazonServer struct {
auth aws.Auth
}
func (s *AmazonServer) SetUp(c *check.C) {
auth, err := aws.EnvAuth()
if err != nil {
c.Fatal(err.Error())
}
s.auth = auth
}
// Suite cost per run: 0.02 USD
var _ = check.Suite(&AmazonClientSuite{})
// AmazonClientSuite tests the client against a live EC2 server.
type AmazonClientSuite struct {
srv AmazonServer
ClientTests
}
func (s *AmazonClientSuite) SetUpSuite(c *check.C) {
if !testutil.Amazon {
c.Skip("AmazonClientSuite tests not enabled")
}
s.srv.SetUp(c)
s.ec2 = ec2.New(s.srv.auth, aws.USEast)
}
// ClientTests defines integration tests designed to test the client.
// It is not used as a test suite in itself, but embedded within
// another type.
type ClientTests struct {
ec2 *ec2.EC2
}
var imageId = "ami-ccf405a5" // Ubuntu Maverick, i386, EBS store
// Cost: 0.00 USD
func (s *ClientTests) TestRunInstancesError(c *check.C) {
options := ec2.RunInstancesOptions{
ImageId: "ami-a6f504cf", // Ubuntu Maverick, i386, instance store
InstanceType: "t1.micro", // Doesn't work with micro, results in 400.
}
resp, err := s.ec2.RunInstances(&options)
c.Assert(resp, check.IsNil)
c.Assert(err, check.ErrorMatches, "AMI.*root device.*not supported.*")
ec2err, ok := err.(*ec2.Error)
c.Assert(ok, check.Equals, true)
c.Assert(ec2err.StatusCode, check.Equals, 400)
c.Assert(ec2err.Code, check.Equals, "UnsupportedOperation")
c.Assert(ec2err.Message, check.Matches, "AMI.*root device.*not supported.*")
c.Assert(ec2err.RequestId, check.Matches, ".+")
}
// Cost: 0.02 USD
func (s *ClientTests) TestRunAndTerminate(c *check.C) {
options := ec2.RunInstancesOptions{
ImageId: imageId,
InstanceType: "t1.micro",
}
resp1, err := s.ec2.RunInstances(&options)
c.Assert(err, check.IsNil)
c.Check(resp1.ReservationId, check.Matches, "r-[0-9a-f]*")
c.Check(resp1.OwnerId, check.Matches, "[0-9]+")
c.Check(resp1.Instances, check.HasLen, 1)
c.Check(resp1.Instances[0].InstanceType, check.Equals, "t1.micro")
instId := resp1.Instances[0].InstanceId
resp2, err := s.ec2.DescribeInstances([]string{instId}, nil)
c.Assert(err, check.IsNil)
if c.Check(resp2.Reservations, check.HasLen, 1) && c.Check(len(resp2.Reservations[0].Instances), check.Equals, 1) {
inst := resp2.Reservations[0].Instances[0]
c.Check(inst.InstanceId, check.Equals, instId)
}
resp3, err := s.ec2.TerminateInstances([]string{instId})
c.Assert(err, check.IsNil)
c.Check(resp3.StateChanges, check.HasLen, 1)
c.Check(resp3.StateChanges[0].InstanceId, check.Equals, instId)
c.Check(resp3.StateChanges[0].CurrentState.Name, check.Equals, "shutting-down")
c.Check(resp3.StateChanges[0].CurrentState.Code, check.Equals, 32)
}
// Cost: 0.00 USD
func (s *ClientTests) TestSecurityGroups(c *check.C) {
name := "goamz-test"
descr := "goamz security group for tests"
// Clean it up, if a previous test left it around and avoid leaving it around.
s.ec2.DeleteSecurityGroup(ec2.SecurityGroup{Name: name})
defer s.ec2.DeleteSecurityGroup(ec2.SecurityGroup{Name: name})
resp1, err := s.ec2.CreateSecurityGroup(name, descr)
c.Assert(err, check.IsNil)
c.Assert(resp1.RequestId, check.Matches, ".+")
c.Assert(resp1.Name, check.Equals, name)
c.Assert(resp1.Id, check.Matches, ".+")
resp1, err = s.ec2.CreateSecurityGroup(name, descr)
ec2err, _ := err.(*ec2.Error)
c.Assert(resp1, check.IsNil)
c.Assert(ec2err, check.NotNil)
c.Assert(ec2err.Code, check.Equals, "InvalidGroup.Duplicate")
perms := []ec2.IPPerm{{
Protocol: "tcp",
FromPort: 0,
ToPort: 1024,
SourceIPs: []string{"127.0.0.1/24"},
}}
resp2, err := s.ec2.AuthorizeSecurityGroup(ec2.SecurityGroup{Name: name}, perms)
c.Assert(err, check.IsNil)
c.Assert(resp2.RequestId, check.Matches, ".+")
resp3, err := s.ec2.SecurityGroups(ec2.SecurityGroupNames(name), nil)
c.Assert(err, check.IsNil)
c.Assert(resp3.RequestId, check.Matches, ".+")
c.Assert(resp3.Groups, check.HasLen, 1)
g0 := resp3.Groups[0]
c.Assert(g0.Name, check.Equals, name)
c.Assert(g0.Description, check.Equals, descr)
c.Assert(g0.IPPerms, check.HasLen, 1)
c.Assert(g0.IPPerms[0].Protocol, check.Equals, "tcp")
c.Assert(g0.IPPerms[0].FromPort, check.Equals, 0)
c.Assert(g0.IPPerms[0].ToPort, check.Equals, 1024)
c.Assert(g0.IPPerms[0].SourceIPs, check.DeepEquals, []string{"127.0.0.1/24"})
resp2, err = s.ec2.DeleteSecurityGroup(ec2.SecurityGroup{Name: name})
c.Assert(err, check.IsNil)
c.Assert(resp2.RequestId, check.Matches, ".+")
}
var sessionId = func() string {
buf := make([]byte, 8)
// if we have no randomness, we'll just make do, so ignore the error.
rand.Read(buf)
return fmt.Sprintf("%x", buf)
}()
// sessionName reutrns a name that is probably
// unique to this test session.
func sessionName(prefix string) string {
return prefix + "-" + sessionId
}
var allRegions = []aws.Region{
aws.USEast,
aws.USWest,
aws.EUWest,
aws.APSoutheast,
aws.APNortheast,
}
// Communicate with all EC2 endpoints to see if they are alive.
func (s *ClientTests) TestRegions(c *check.C) {
name := sessionName("goamz-region-test")
perms := []ec2.IPPerm{{
Protocol: "tcp",
FromPort: 80,
ToPort: 80,
SourceIPs: []string{"127.0.0.1/32"},
}}
errs := make(chan error, len(allRegions))
for _, region := range allRegions {
go func(r aws.Region) {
e := ec2.New(s.ec2.Auth, r)
_, err := e.AuthorizeSecurityGroup(ec2.SecurityGroup{Name: name}, perms)
errs <- err
}(region)
}
for range allRegions {
err := <-errs
if err != nil {
ec2_err, ok := err.(*ec2.Error)
if ok {
c.Check(ec2_err.Code, check.Matches, "InvalidGroup.NotFound")
} else {
c.Errorf("Non-EC2 error: %s", err)
}
} else {
c.Errorf("Test should have errored but it seems to have succeeded")
}
}
}
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