func (s *S) TestDescribeSecurityGroupsExampleWithFilter(c *gocheck.C) {
testServer.Response(200, nil, DescribeSecurityGroupsExample)
filter := ec2.NewFilter()
filter.Add("ip-permission.protocol", "tcp")
filter.Add("ip-permission.from-port", "22")
filter.Add("ip-permission.to-port", "22")
filter.Add("ip-permission.group-name", "app_server_group", "database_group")
_, err := s.ec2.SecurityGroups(nil, filter)
req := testServer.WaitRequest()
c.Assert(req.Form["Action"], gocheck.DeepEquals, []string{"DescribeSecurityGroups"})
c.Assert(req.Form["Filter.1.Name"], gocheck.DeepEquals, []string{"ip-permission.from-port"})
c.Assert(req.Form["Filter.1.Value.1"], gocheck.DeepEquals, []string{"22"})
c.Assert(req.Form["Filter.2.Name"], gocheck.DeepEquals, []string{"ip-permission.group-name"})
c.Assert(req.Form["Filter.2.Value.1"], gocheck.DeepEquals, []string{"app_server_group"})
c.Assert(req.Form["Filter.2.Value.2"], gocheck.DeepEquals, []string{"database_group"})
c.Assert(req.Form["Filter.3.Name"], gocheck.DeepEquals, []string{"ip-permission.protocol"})
c.Assert(req.Form["Filter.3.Value.1"], gocheck.DeepEquals, []string{"tcp"})
c.Assert(req.Form["Filter.4.Name"], gocheck.DeepEquals, []string{"ip-permission.to-port"})
c.Assert(req.Form["Filter.4.Value.1"], gocheck.DeepEquals, []string{"22"})
c.Assert(err, gocheck.IsNil)
}
func (s *S) TestDescribeInstancesExample1(c *gocheck.C) {
testServer.Response(200, nil, DescribeInstancesExample1)
filter := ec2.NewFilter()
filter.Add("key1", "value1")
filter.Add("key2", "value2", "value3")
resp, err := s.ec2.Instances([]string{"i-1", "i-2"}, nil)
req := testServer.WaitRequest()
c.Assert(req.Form["Action"], gocheck.DeepEquals, []string{"DescribeInstances"})
c.Assert(req.Form["InstanceId.1"], gocheck.DeepEquals, []string{"i-1"})
c.Assert(req.Form["InstanceId.2"], gocheck.DeepEquals, []string{"i-2"})
c.Assert(err, gocheck.IsNil)
c.Assert(resp.RequestId, gocheck.Equals, "98e3c9a4-848c-4d6d-8e8a-b1bdEXAMPLE")
c.Assert(resp.Reservations, gocheck.HasLen, 2)
r0 := resp.Reservations[0]
c.Assert(r0.ReservationId, gocheck.Equals, "r-b27e30d9")
c.Assert(r0.OwnerId, gocheck.Equals, "999988887777")
c.Assert(r0.RequesterId, gocheck.Equals, "854251627541")
c.Assert(r0.SecurityGroups, gocheck.DeepEquals, []ec2.SecurityGroup{{Name: "default", Id: "sg-67ad940e"}})
c.Assert(r0.Instances, gocheck.HasLen, 1)
r0i := r0.Instances[0]
c.Assert(r0i.InstanceId, gocheck.Equals, "i-c5cd56af")
c.Assert(r0i.PrivateDNSName, gocheck.Equals, "domU-12-31-39-10-56-34.compute-1.internal")
c.Assert(r0i.DNSName, gocheck.Equals, "ec2-174-129-165-232.compute-1.amazonaws.com")
c.Assert(r0i.AvailZone, gocheck.Equals, "us-east-1b")
c.Assert(r0i.IPAddress, gocheck.Equals, "174.129.165.232")
c.Assert(r0i.PrivateIPAddress, gocheck.Equals, "10.198.85.190")
}
func (s *S) TestDescribeImagesExample(c *gocheck.C) {
testServer.Response(200, nil, DescribeImagesExample)
filter := ec2.NewFilter()
filter.Add("key1", "value1")
filter.Add("key2", "value2", "value3")
resp, err := s.ec2.Images([]string{"ami-1", "ami-2"}, filter)
req := testServer.WaitRequest()
c.Assert(req.Form["Action"], gocheck.DeepEquals, []string{"DescribeImages"})
c.Assert(req.Form["ImageId.1"], gocheck.DeepEquals, []string{"ami-1"})
c.Assert(req.Form["ImageId.2"], gocheck.DeepEquals, []string{"ami-2"})
c.Assert(req.Form["Filter.1.Name"], gocheck.DeepEquals, []string{"key1"})
c.Assert(req.Form["Filter.1.Value.1"], gocheck.DeepEquals, []string{"value1"})
c.Assert(req.Form["Filter.1.Value.2"], gocheck.IsNil)
c.Assert(req.Form["Filter.2.Name"], gocheck.DeepEquals, []string{"key2"})
c.Assert(req.Form["Filter.2.Value.1"], gocheck.DeepEquals, []string{"value2"})
c.Assert(req.Form["Filter.2.Value.2"], gocheck.DeepEquals, []string{"value3"})
c.Assert(err, gocheck.IsNil)
c.Assert(resp.RequestId, gocheck.Equals, "4a4a27a2-2e7c-475d-b35b-ca822EXAMPLE")
c.Assert(resp.Images, gocheck.HasLen, 1)
i0 := resp.Images[0]
c.Assert(i0.Id, gocheck.Equals, "ami-a2469acf")
c.Assert(i0.Type, gocheck.Equals, "machine")
c.Assert(i0.Name, gocheck.Equals, "example-marketplace-amzn-ami.1")
c.Assert(i0.Description, gocheck.Equals, "Amazon Linux AMI i386 EBS")
c.Assert(i0.Location, gocheck.Equals, "aws-marketplace/example-marketplace-amzn-ami.1")
c.Assert(i0.State, gocheck.Equals, "available")
c.Assert(i0.Public, gocheck.Equals, true)
c.Assert(i0.OwnerId, gocheck.Equals, "123456789999")
c.Assert(i0.OwnerAlias, gocheck.Equals, "aws-marketplace")
c.Assert(i0.Architecture, gocheck.Equals, "i386")
c.Assert(i0.KernelId, gocheck.Equals, "aki-805ea7e9")
c.Assert(i0.RootDeviceType, gocheck.Equals, "ebs")
c.Assert(i0.RootDeviceName, gocheck.Equals, "/dev/sda1")
c.Assert(i0.VirtualizationType, gocheck.Equals, "paravirtual")
c.Assert(i0.Hypervisor, gocheck.Equals, "xen")
c.Assert(i0.BlockDevices, gocheck.HasLen, 1)
c.Assert(i0.BlockDevices[0].DeviceName, gocheck.Equals, "/dev/sda1")
c.Assert(i0.BlockDevices[0].SnapshotId, gocheck.Equals, "snap-787e9403")
c.Assert(i0.BlockDevices[0].VolumeSize, gocheck.Equals, int64(8))
c.Assert(i0.BlockDevices[0].DeleteOnTermination, gocheck.Equals, true)
}
func (s *S) TestDescribeSnapshotsExample(c *gocheck.C) {
testServer.Response(200, nil, DescribeSnapshotsExample)
filter := ec2.NewFilter()
filter.Add("key1", "value1")
filter.Add("key2", "value2", "value3")
resp, err := s.ec2.Snapshots([]string{"snap-1", "snap-2"}, filter)
req := testServer.WaitRequest()
c.Assert(req.Form["Action"], gocheck.DeepEquals, []string{"DescribeSnapshots"})
c.Assert(req.Form["SnapshotId.1"], gocheck.DeepEquals, []string{"snap-1"})
c.Assert(req.Form["SnapshotId.2"], gocheck.DeepEquals, []string{"snap-2"})
c.Assert(req.Form["Filter.1.Name"], gocheck.DeepEquals, []string{"key1"})
c.Assert(req.Form["Filter.1.Value.1"], gocheck.DeepEquals, []string{"value1"})
c.Assert(req.Form["Filter.1.Value.2"], gocheck.IsNil)
c.Assert(req.Form["Filter.2.Name"], gocheck.DeepEquals, []string{"key2"})
c.Assert(req.Form["Filter.2.Value.1"], gocheck.DeepEquals, []string{"value2"})
c.Assert(req.Form["Filter.2.Value.2"], gocheck.DeepEquals, []string{"value3"})
c.Assert(err, gocheck.IsNil)
c.Assert(resp.RequestId, gocheck.Equals, "59dbff89-35bd-4eac-99ed-be587EXAMPLE")
c.Assert(resp.Snapshots, gocheck.HasLen, 1)
s0 := resp.Snapshots[0]
c.Assert(s0.Id, gocheck.Equals, "snap-1a2b3c4d")
c.Assert(s0.VolumeId, gocheck.Equals, "vol-8875daef")
c.Assert(s0.VolumeSize, gocheck.Equals, "15")
c.Assert(s0.Status, gocheck.Equals, "pending")
c.Assert(s0.StartTime, gocheck.Equals, "2010-07-29T04:12:01.000Z")
c.Assert(s0.Progress, gocheck.Equals, "30%")
c.Assert(s0.OwnerId, gocheck.Equals, "111122223333")
c.Assert(s0.Description, gocheck.Equals, "Daily Backup")
c.Assert(s0.Tags, gocheck.HasLen, 1)
c.Assert(s0.Tags[0].Key, gocheck.Equals, "Purpose")
c.Assert(s0.Tags[0].Value, gocheck.Equals, "demo_db_14_backup")
}
func (s *S) TestDescribeInstancesExample2(c *gocheck.C) {
testServer.Response(200, nil, DescribeInstancesExample2)
filter := ec2.NewFilter()
filter.Add("key1", "value1")
filter.Add("key2", "value2", "value3")
resp, err := s.ec2.Instances([]string{"i-1", "i-2"}, filter)
req := testServer.WaitRequest()
c.Assert(req.Form["Action"], gocheck.DeepEquals, []string{"DescribeInstances"})
c.Assert(req.Form["InstanceId.1"], gocheck.DeepEquals, []string{"i-1"})
c.Assert(req.Form["InstanceId.2"], gocheck.DeepEquals, []string{"i-2"})
c.Assert(req.Form["Filter.1.Name"], gocheck.DeepEquals, []string{"key1"})
c.Assert(req.Form["Filter.1.Value.1"], gocheck.DeepEquals, []string{"value1"})
c.Assert(req.Form["Filter.1.Value.2"], gocheck.IsNil)
c.Assert(req.Form["Filter.2.Name"], gocheck.DeepEquals, []string{"key2"})
c.Assert(req.Form["Filter.2.Value.1"], gocheck.DeepEquals, []string{"value2"})
c.Assert(req.Form["Filter.2.Value.2"], gocheck.DeepEquals, []string{"value3"})
c.Assert(err, gocheck.IsNil)
c.Assert(resp.RequestId, gocheck.Equals, "59dbff89-35bd-4eac-99ed-be587EXAMPLE")
c.Assert(resp.Reservations, gocheck.HasLen, 1)
r0 := resp.Reservations[0]
r0i := r0.Instances[0]
c.Assert(r0i.State.Code, gocheck.Equals, 16)
c.Assert(r0i.State.Name, gocheck.Equals, "running")
r0t0 := r0i.Tags[0]
r0t1 := r0i.Tags[1]
c.Assert(r0t0.Key, gocheck.Equals, "webserver")
c.Assert(r0t0.Value, gocheck.Equals, "")
c.Assert(r0t1.Key, gocheck.Equals, "stack")
c.Assert(r0t1.Value, gocheck.Equals, "Production")
}
func (s *ServerTests) TestGroupFiltering(c *gocheck.C) {
g := make([]ec2.SecurityGroup, 4)
for i := range g {
resp, err := s.ec2.CreateSecurityGroup(sessionName(fmt.Sprintf("testgroup%d", i)), fmt.Sprintf("testdescription%d", i))
c.Assert(err, gocheck.IsNil)
g[i] = resp.SecurityGroup
c.Logf("group %d: %v", i, g[i])
defer s.ec2.DeleteSecurityGroup(g[i])
}
perms := [][]ec2.IPPerm{
{{
Protocol: "tcp",
FromPort: 100,
ToPort: 200,
SourceIPs: []string{"1.2.3.4/32"},
}},
{{
Protocol: "tcp",
FromPort: 200,
ToPort: 300,
SourceGroups: []ec2.UserSecurityGroup{{Id: g[1].Id}},
}},
{{
Protocol: "udp",
FromPort: 200,
ToPort: 400,
SourceGroups: []ec2.UserSecurityGroup{{Id: g[1].Id}},
}},
}
for i, ps := range perms {
_, err := s.ec2.AuthorizeSecurityGroup(g[i], ps)
c.Assert(err, gocheck.IsNil)
}
groups := func(indices ...int) (gs []ec2.SecurityGroup) {
for _, index := range indices {
gs = append(gs, g[index])
}
return
}
type groupTest struct {
about string
groups []ec2.SecurityGroup // groupIds argument to SecurityGroups method.
filters []filterSpec // filters argument to SecurityGroups method.
results []ec2.SecurityGroup // set of expected result groups.
allowExtra bool // specified results may be incomplete.
err string // expected error.
}
filterCheck := func(name, val string, gs []ec2.SecurityGroup) groupTest {
return groupTest{
about: "filter check " + name,
filters: []filterSpec{{name, []string{val}}},
results: gs,
allowExtra: true,
}
}
tests := []groupTest{
{
about: "check that SecurityGroups returns all groups",
results: groups(0, 1, 2, 3),
allowExtra: true,
}, {
about: "check that specifying two group ids returns them",
groups: idsOnly(groups(0, 2)),
results: groups(0, 2),
}, {
about: "check that specifying names only works",
groups: namesOnly(groups(0, 2)),
results: groups(0, 2),
}, {
about: "check that specifying a non-existent group id gives an error",
groups: append(groups(0), ec2.SecurityGroup{Id: "sg-eeeeeeeee"}),
err: `.*\(InvalidGroup\.NotFound\)`,
}, {
about: "check that a filter allowed two groups returns both of them",
filters: []filterSpec{
{"group-id", []string{g[0].Id, g[2].Id}},
},
results: groups(0, 2),
},
{
about: "check that the previous filter works when specifying a list of ids",
groups: groups(1, 2),
filters: []filterSpec{
{"group-id", []string{g[0].Id, g[2].Id}},
},
results: groups(2),
}, {
about: "check that a filter allowing no groups returns none",
filters: []filterSpec{
{"group-id", []string{"sg-eeeeeeeee"}},
},
},
filterCheck("description", "testdescription1", groups(1)),
filterCheck("group-name", g[2].Name, groups(2)),
filterCheck("ip-permission.cidr", "1.2.3.4/32", groups(0)),
filterCheck("ip-permission.group-name", g[1].Name, groups(1, 2)),
filterCheck("ip-permission.protocol", "udp", groups(2)),
filterCheck("ip-permission.from-port", "200", groups(1, 2)),
filterCheck("ip-permission.to-port", "200", groups(0)),
// TODO owner-id
}
for i, t := range tests {
c.Logf("%d. %s", i, t.about)
var f *ec2.Filter
if t.filters != nil {
f = ec2.NewFilter()
for _, spec := range t.filters {
f.Add(spec.name, spec.values...)
}
}
resp, err := s.ec2.SecurityGroups(t.groups, f)
if t.err != "" {
c.Check(err, gocheck.ErrorMatches, t.err)
continue
}
c.Assert(err, gocheck.IsNil)
groups := make(map[string]*ec2.SecurityGroup)
for j := range resp.Groups {
group := &resp.Groups[j].SecurityGroup
c.Check(groups[group.Id], gocheck.IsNil, gocheck.Commentf("duplicate group id: %q", group.Id))
groups[group.Id] = group
}
// If extra groups may be returned, eliminate all groups that
// we did not create in this session apart from the default group.
if t.allowExtra {
namePat := regexp.MustCompile(sessionName("testgroup[0-9]"))
for id, g := range groups {
if !namePat.MatchString(g.Name) {
delete(groups, id)
}
}
}
c.Check(groups, gocheck.HasLen, len(t.results))
for j, g := range t.results {
rg := groups[g.Id]
c.Assert(rg, gocheck.NotNil, gocheck.Commentf("group %d (%v) not found; got %#v", j, g, groups))
c.Check(rg.Name, gocheck.Equals, g.Name, gocheck.Commentf("group %d (%v)", j, g))
}
}
}
func (s *ServerTests) TestInstanceFiltering(c *gocheck.C) {
groupResp, err := s.ec2.CreateSecurityGroup(sessionName("testgroup1"), "testgroup one description")
c.Assert(err, gocheck.IsNil)
group1 := groupResp.SecurityGroup
defer s.ec2.DeleteSecurityGroup(group1)
groupResp, err = s.ec2.CreateSecurityGroup(sessionName("testgroup2"), "testgroup two description")
c.Assert(err, gocheck.IsNil)
group2 := groupResp.SecurityGroup
defer s.ec2.DeleteSecurityGroup(group2)
insts := make([]*ec2.Instance, 3)
inst, err := s.ec2.RunInstances(&ec2.RunInstancesOptions{
MinCount: 2,
ImageId: imageId,
InstanceType: "t1.micro",
SecurityGroups: []ec2.SecurityGroup{group1},
})
c.Assert(err, gocheck.IsNil)
insts[0] = &inst.Instances[0]
insts[1] = &inst.Instances[1]
defer terminateInstances(c, s.ec2, insts)
imageId2 := "ami-e358958a" // Natty server, i386, EBS store
inst, err = s.ec2.RunInstances(&ec2.RunInstancesOptions{
ImageId: imageId2,
InstanceType: "t1.micro",
SecurityGroups: []ec2.SecurityGroup{group2},
})
c.Assert(err, gocheck.IsNil)
insts[2] = &inst.Instances[0]
ids := func(indices ...int) (instIds []string) {
for _, index := range indices {
instIds = append(instIds, insts[index].InstanceId)
}
return
}
tests := []struct {
about string
instanceIds []string // instanceIds argument to Instances method.
filters []filterSpec // filters argument to Instances method.
resultIds []string // set of instance ids of expected results.
allowExtra bool // resultIds may be incomplete.
err string // expected error.
}{
{
about: "check that Instances returns all instances",
resultIds: ids(0, 1, 2),
allowExtra: true,
}, {
about: "check that specifying two instance ids returns them",
instanceIds: ids(0, 2),
resultIds: ids(0, 2),
}, {
about: "check that specifying a non-existent instance id gives an error",
instanceIds: append(ids(0), "i-deadbeef"),
err: `.*\(InvalidInstanceID\.NotFound\)`,
}, {
about: "check that a filter allowed both instances returns both of them",
filters: []filterSpec{
{"instance-id", ids(0, 2)},
},
resultIds: ids(0, 2),
}, {
about: "check that a filter allowing only one instance returns it",
filters: []filterSpec{
{"instance-id", ids(1)},
},
resultIds: ids(1),
}, {
about: "check that a filter allowing no instances returns none",
filters: []filterSpec{
{"instance-id", []string{"i-deadbeef12345"}},
},
}, {
about: "check that filtering on group id works",
filters: []filterSpec{
{"group-id", []string{group1.Id}},
},
resultIds: ids(0, 1),
}, {
about: "check that filtering on group name works",
filters: []filterSpec{
{"group-name", []string{group1.Name}},
},
resultIds: ids(0, 1),
}, {
about: "check that filtering on image id works",
filters: []filterSpec{
{"image-id", []string{imageId}},
},
resultIds: ids(0, 1),
allowExtra: true,
}, {
about: "combination filters 1",
filters: []filterSpec{
{"image-id", []string{imageId, imageId2}},
{"group-name", []string{group1.Name}},
},
resultIds: ids(0, 1),
}, {
about: "combination filters 2",
filters: []filterSpec{
{"image-id", []string{imageId2}},
{"group-name", []string{group1.Name}},
},
},
}
for i, t := range tests {
c.Logf("%d. %s", i, t.about)
var f *ec2.Filter
if t.filters != nil {
f = ec2.NewFilter()
for _, spec := range t.filters {
f.Add(spec.name, spec.values...)
}
}
resp, err := s.ec2.Instances(t.instanceIds, f)
if t.err != "" {
c.Check(err, gocheck.ErrorMatches, t.err)
continue
}
c.Assert(err, gocheck.IsNil)
insts := make(map[string]*ec2.Instance)
for _, r := range resp.Reservations {
for j := range r.Instances {
inst := &r.Instances[j]
c.Check(insts[inst.InstanceId], gocheck.IsNil, gocheck.Commentf("duplicate instance id: %q", inst.InstanceId))
insts[inst.InstanceId] = inst
}
}
if !t.allowExtra {
c.Check(insts, gocheck.HasLen, len(t.resultIds), gocheck.Commentf("expected %d instances got %#v", len(t.resultIds), insts))
}
for j, id := range t.resultIds {
c.Check(insts[id], gocheck.NotNil, gocheck.Commentf("instance id %d (%q) not found; got %#v", j, id, insts))
}
}
}
func (s *ServerTests) TestIPPerms(c *gocheck.C) {
g0 := s.makeTestGroup(c, "goamz-test0", "ec2test group 0")
defer s.ec2.DeleteSecurityGroup(g0)
g1 := s.makeTestGroup(c, "goamz-test1", "ec2test group 1")
defer s.ec2.DeleteSecurityGroup(g1)
resp, err := s.ec2.SecurityGroups([]ec2.SecurityGroup{g0, g1}, nil)
c.Assert(err, gocheck.IsNil)
c.Assert(resp.Groups, gocheck.HasLen, 2)
c.Assert(resp.Groups[0].IPPerms, gocheck.HasLen, 0)
c.Assert(resp.Groups[1].IPPerms, gocheck.HasLen, 0)
ownerId := resp.Groups[0].OwnerId
// test some invalid parameters
// TODO more
_, err = s.ec2.AuthorizeSecurityGroup(g0, []ec2.IPPerm{{
Protocol: "tcp",
FromPort: 0,
ToPort: 1024,
SourceIPs: []string{"z127.0.0.1/24"},
}})
c.Assert(err, gocheck.NotNil)
c.Check(err.(*ec2.Error).Code, gocheck.Equals, "InvalidPermission.Malformed")
// Check that AuthorizeSecurityGroup adds the correct authorizations.
_, err = s.ec2.AuthorizeSecurityGroup(g0, []ec2.IPPerm{{
Protocol: "tcp",
FromPort: 2000,
ToPort: 2001,
SourceIPs: []string{"127.0.0.0/24"},
SourceGroups: []ec2.UserSecurityGroup{{
Name: g1.Name,
}, {
Id: g0.Id,
}},
}, {
Protocol: "tcp",
FromPort: 2000,
ToPort: 2001,
SourceIPs: []string{"200.1.1.34/32"},
}})
c.Assert(err, gocheck.IsNil)
resp, err = s.ec2.SecurityGroups([]ec2.SecurityGroup{g0}, nil)
c.Assert(err, gocheck.IsNil)
c.Assert(resp.Groups, gocheck.HasLen, 1)
c.Assert(resp.Groups[0].IPPerms, gocheck.HasLen, 1)
perm := resp.Groups[0].IPPerms[0]
srcg := perm.SourceGroups
c.Assert(srcg, gocheck.HasLen, 2)
// Normalize so we don't care about returned order.
if srcg[0].Name == g1.Name {
srcg[0], srcg[1] = srcg[1], srcg[0]
}
c.Check(srcg[0].Name, gocheck.Equals, g0.Name)
c.Check(srcg[0].Id, gocheck.Equals, g0.Id)
c.Check(srcg[0].OwnerId, gocheck.Equals, ownerId)
c.Check(srcg[1].Name, gocheck.Equals, g1.Name)
c.Check(srcg[1].Id, gocheck.Equals, g1.Id)
c.Check(srcg[1].OwnerId, gocheck.Equals, ownerId)
sort.Strings(perm.SourceIPs)
c.Check(perm.SourceIPs, gocheck.DeepEquals, []string{"127.0.0.0/24", "200.1.1.34/32"})
// Check that we can't delete g1 (because g0 is using it)
_, err = s.ec2.DeleteSecurityGroup(g1)
c.Assert(err, gocheck.NotNil)
c.Check(err.(*ec2.Error).Code, gocheck.Equals, "InvalidGroup.InUse")
_, err = s.ec2.RevokeSecurityGroup(g0, []ec2.IPPerm{{
Protocol: "tcp",
FromPort: 2000,
ToPort: 2001,
SourceGroups: []ec2.UserSecurityGroup{{Id: g1.Id}},
}, {
Protocol: "tcp",
FromPort: 2000,
ToPort: 2001,
SourceIPs: []string{"200.1.1.34/32"},
}})
c.Assert(err, gocheck.IsNil)
resp, err = s.ec2.SecurityGroups([]ec2.SecurityGroup{g0}, nil)
c.Assert(err, gocheck.IsNil)
c.Assert(resp.Groups, gocheck.HasLen, 1)
c.Assert(resp.Groups[0].IPPerms, gocheck.HasLen, 1)
perm = resp.Groups[0].IPPerms[0]
srcg = perm.SourceGroups
c.Assert(srcg, gocheck.HasLen, 1)
c.Check(srcg[0].Name, gocheck.Equals, g0.Name)
c.Check(srcg[0].Id, gocheck.Equals, g0.Id)
c.Check(srcg[0].OwnerId, gocheck.Equals, ownerId)
c.Check(perm.SourceIPs, gocheck.DeepEquals, []string{"127.0.0.0/24"})
// We should be able to delete g1 now because we've removed its only use.
_, err = s.ec2.DeleteSecurityGroup(g1)
c.Assert(err, gocheck.IsNil)
_, err = s.ec2.DeleteSecurityGroup(g0)
c.Assert(err, gocheck.IsNil)
f := ec2.NewFilter()
f.Add("group-id", g0.Id, g1.Id)
resp, err = s.ec2.SecurityGroups(nil, f)
c.Assert(err, gocheck.IsNil)
c.Assert(resp.Groups, gocheck.HasLen, 0)
}