Golang ec2.NewFilter函数代码示例

func (d *driver) getSnapshot(
	volumeID, snapshotID, snapshotName string) ([]ec2.Snapshot, error) {
	filter := ec2.NewFilter()
	if snapshotName != "" {
		filter.Add("tag:Name", fmt.Sprintf("%s", snapshotName))
	}

	if volumeID != "" {
		filter.Add("volume-id", volumeID)
	}

	snapshotList := []string{}
	if snapshotID != "" {
		//using snapshotList is returning stale data
		//snapshotList = append(snapshotList, snapshotID)
		filter.Add("snapshot-id", snapshotID)
	}

	resp, err := d.ec2Instance.Snapshots(snapshotList, filter)
	if err != nil {
		return []ec2.Snapshot{}, err
	}

	return resp.Snapshots, nil
}

func (s *S) TestDescribeInstancesExample1(c *C) {
	testServer.Response(200, nil, DescribeInstancesExample1)

	filter := ec2.NewFilter()
	filter.Add("key1", "value1")
	filter.Add("key2", "value2", "value3")

	resp, err := s.ec2.DescribeInstances([]string{"i-1", "i-2"}, nil)

	req := testServer.WaitRequest()
	c.Assert(req.Form["Action"], DeepEquals, []string{"DescribeInstances"})
	c.Assert(req.Form["InstanceId.1"], DeepEquals, []string{"i-1"})
	c.Assert(req.Form["InstanceId.2"], DeepEquals, []string{"i-2"})

	c.Assert(err, IsNil)
	c.Assert(resp.RequestId, Equals, "98e3c9a4-848c-4d6d-8e8a-b1bdEXAMPLE")
	c.Assert(resp.Reservations, HasLen, 2)

	r0 := resp.Reservations[0]
	c.Assert(r0.ReservationId, Equals, "r-b27e30d9")
	c.Assert(r0.OwnerId, Equals, "999988887777")
	c.Assert(r0.RequesterId, Equals, "854251627541")
	c.Assert(r0.SecurityGroups, DeepEquals, []ec2.SecurityGroup{{Name: "default", Id: "sg-67ad940e"}})
	c.Assert(r0.Instances, HasLen, 1)

	r0i := r0.Instances[0]
	c.Assert(r0i.InstanceId, Equals, "i-c5cd56af")
	c.Assert(r0i.PrivateDNSName, Equals, "domU-12-31-39-10-56-34.compute-1.internal")
	c.Assert(r0i.DNSName, Equals, "ec2-174-129-165-232.compute-1.amazonaws.com")
	c.Assert(r0i.AvailabilityZone, Equals, "us-east-1b")
	c.Assert(r0i.IPAddress, Equals, "174.129.165.232")
	c.Assert(r0i.PrivateIPAddress, Equals, "10.198.85.190")
}

func (s *S) TestDescribeSecurityGroupsExampleWithFilter(c *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"], DeepEquals, []string{"DescribeSecurityGroups"})
	c.Assert(req.Form["Filter.1.Name"], DeepEquals, []string{"ip-permission.from-port"})
	c.Assert(req.Form["Filter.1.Value.1"], DeepEquals, []string{"22"})
	c.Assert(req.Form["Filter.2.Name"], DeepEquals, []string{"ip-permission.group-name"})
	c.Assert(req.Form["Filter.2.Value.1"], DeepEquals, []string{"app_server_group"})
	c.Assert(req.Form["Filter.2.Value.2"], DeepEquals, []string{"database_group"})
	c.Assert(req.Form["Filter.3.Name"], DeepEquals, []string{"ip-permission.protocol"})
	c.Assert(req.Form["Filter.3.Value.1"], DeepEquals, []string{"tcp"})
	c.Assert(req.Form["Filter.4.Name"], DeepEquals, []string{"ip-permission.to-port"})
	c.Assert(req.Form["Filter.4.Value.1"], DeepEquals, []string{"22"})

	c.Assert(err, IsNil)
}

func (s *S) TestDescribeVpcs(c *C) {
	testServer.Response(200, nil, DescribeVpcsExample)

	filter := ec2.NewFilter()
	filter.Add("key1", "value1")
	filter.Add("key2", "value2", "value3")

	resp, err := s.ec2.DescribeVpcs([]string{"id1", "id2"}, filter)

	req := testServer.WaitRequest()
	c.Assert(req.Form["Action"], DeepEquals, []string{"DescribeVpcs"})
	c.Assert(req.Form["VpcId.1"], DeepEquals, []string{"id1"})
	c.Assert(req.Form["VpcId.2"], DeepEquals, []string{"id2"})
	c.Assert(req.Form["VpcId.3"], IsNil)
	c.Assert(req.Form["Filter.1.Name"], DeepEquals, []string{"key1"})
	c.Assert(req.Form["Filter.1.Value.1"], DeepEquals, []string{"value1"})
	c.Assert(req.Form["Filter.1.Value.2"], IsNil)
	c.Assert(req.Form["Filter.2.Name"], DeepEquals, []string{"key2"})
	c.Assert(req.Form["Filter.2.Value.1"], DeepEquals, []string{"value2"})
	c.Assert(req.Form["Filter.2.Value.2"], DeepEquals, []string{"value3"})

	c.Assert(err, IsNil)
	c.Assert(resp.RequestId, Equals, "7a62c49f-347e-4fc4-9331-6e8eEXAMPLE")
	c.Assert(resp.VPCs[0].VpcId, Equals, "vpc-1a2b3c4d")
	c.Assert(resp.VPCs, HasLen, 1)
}

func (driver *Driver) getVolume(volumeID, volumeName string) ([]ec2.Volume, error) {
	filter := ec2.NewFilter()
	if volumeName != "" {
		filter.Add("tag:Name", fmt.Sprintf("%s", volumeName))
	}

	volumeList := []string{}
	if volumeID != "" {
		volumeList = append(volumeList, volumeID)
	}

	resp, err := driver.EC2Instance.Volumes(volumeList, filter)
	if err != nil {
		return []ec2.Volume{}, err
	}

	return resp.Volumes, nil
}

func main() {
	initFlags()

	filter := ec2.NewFilter()
	for _, t := range tags {
		filter.Add(t.FilterName, t.FilterValue)
	}

	auth, err := aws.EnvAuth()
	if err != nil {
		log.Fatal(err)
	}
	e := ec2.New(auth, region)

	for {
		resp, err := e.DescribeInstances(nil, filter)
		if err != nil {
			log.Fatal(err)
		}
		instances := flattenReservations(resp.Reservations)

		tagKeys := tags.Keys()
		if len(tagKeys) == 0 {
			tagKeys = allTagKeys(instances)
		}

		targetGroups := groupByTags(instances, tagKeys)
		b := marshalTargetGroups(targetGroups)
		if dest == "-" {
			_, err = os.Stdout.Write(b)
		} else {
			err = atomicWriteFile(dest, b, ".new")
		}
		if err != nil {
			log.Fatal(err)
		}

		if sleep == 0 {
			break
		} else {
			time.Sleep(sleep)
		}
	}
}

func (s *S) TestDescribeSpotRequestsExample(c *C) {
	testServer.Response(200, nil, DescribeSpotRequestsExample)

	filter := ec2.NewFilter()
	filter.Add("key1", "value1")
	filter.Add("key2", "value2", "value3")

	resp, err := s.ec2.DescribeSpotRequests([]string{"s-1", "s-2"}, filter)

	req := testServer.WaitRequest()
	c.Assert(req.Form["Action"], DeepEquals, []string{"DescribeSpotInstanceRequests"})
	c.Assert(req.Form["SpotInstanceRequestId.1"], DeepEquals, []string{"s-1"})
	c.Assert(req.Form["SpotInstanceRequestId.2"], DeepEquals, []string{"s-2"})

	c.Assert(err, IsNil)
	c.Assert(resp.RequestId, Equals, "b1719f2a-5334-4479-b2f1-26926EXAMPLE")
	c.Assert(resp.SpotRequestResults[0].SpotRequestId, Equals, "sir-1a2b3c4d")
	c.Assert(resp.SpotRequestResults[0].State, Equals, "active")
	c.Assert(resp.SpotRequestResults[0].SpotPrice, Equals, "0.5")
	c.Assert(resp.SpotRequestResults[0].SpotLaunchSpec.ImageId, Equals, "ami-1a2b3c4d")
}

func (s *S) TestDescribeRouteTables(c *gocheck.C) {
	testServer.Response(200, nil, DescribeRouteTablesExample)

	filter := ec2.NewFilter()
	filter.Add("key1", "value1")
	filter.Add("key2", "value2", "value3")

	resp, err := s.ec2.DescribeRouteTables([]string{"rt1", "rt2"}, nil)

	req := testServer.WaitRequest()
	c.Assert(req.Form["Action"], gocheck.DeepEquals, []string{"DescribeRouteTables"})
	c.Assert(req.Form["RouteTableId.1"], gocheck.DeepEquals, []string{"rt1"})
	c.Assert(req.Form["RouteTableId.2"], gocheck.DeepEquals, []string{"rt2"})

	c.Assert(err, gocheck.IsNil)
	c.Assert(resp.RequestId, gocheck.Equals, "6f570b0b-9c18-4b07-bdec-73740dcf861aEXAMPLE")
	c.Assert(resp.RouteTables, gocheck.HasLen, 2)

	rt1 := resp.RouteTables[0]
	c.Assert(rt1.Id, gocheck.Equals, "rtb-13ad487a")
	c.Assert(rt1.VpcId, gocheck.Equals, "vpc-11ad4878")
	c.Assert(rt1.Routes, gocheck.DeepEquals, []ec2.Route{
		{DestinationCidrBlock: "10.0.0.0/22", GatewayId: "local", State: "active", Origin: "CreateRouteTable"},
	})
	c.Assert(rt1.Associations, gocheck.DeepEquals, []ec2.RouteTableAssociation{
		{Id: "rtbassoc-12ad487b", RouteTableId: "rtb-13ad487a", Main: true},
	})

	rt2 := resp.RouteTables[1]
	c.Assert(rt2.Id, gocheck.Equals, "rtb-f9ad4890")
	c.Assert(rt2.VpcId, gocheck.Equals, "vpc-11ad4878")
	c.Assert(rt2.Routes, gocheck.DeepEquals, []ec2.Route{
		{DestinationCidrBlock: "10.0.0.0/22", GatewayId: "local", State: "active", Origin: "CreateRouteTable"},
		{DestinationCidrBlock: "0.0.0.0/0", GatewayId: "igw-eaad4883", State: "active"},
	})
	c.Assert(rt2.Associations, gocheck.DeepEquals, []ec2.RouteTableAssociation{
		{Id: "rtbassoc-faad4893", RouteTableId: "rtb-f9ad4890", SubnetId: "subnet-15ad487c"},
	})
}

func (s *S) TestDescribeAddressesPublicIPExample(c *C) {
	testServer.Response(200, nil, DescribeAddressesExample)

	filter := ec2.NewFilter()
	filter.Add("key1", "value1")
	filter.Add("key2", "value2", "value3")

	resp, err := s.ec2.DescribeAddresses([]string{"192.0.2.1", "198.51.100.2", "203.0.113.41"}, []string{}, nil)

	req := testServer.WaitRequest()
	c.Assert(req.Form["Action"], DeepEquals, []string{"DescribeAddresses"})
	c.Assert(req.Form["PublicIp.1"], DeepEquals, []string{"192.0.2.1"})
	c.Assert(req.Form["PublicIp.2"], DeepEquals, []string{"198.51.100.2"})
	c.Assert(req.Form["PublicIp.3"], DeepEquals, []string{"203.0.113.41"})

	c.Assert(err, IsNil)
	c.Assert(resp.RequestId, Equals, "59dbff89-35bd-4eac-99ed-be587EXAMPLE")
	c.Assert(resp.Addresses, HasLen, 3)

	r0 := resp.Addresses[0]
	c.Assert(r0.PublicIp, Equals, "192.0.2.1")
	c.Assert(r0.Domain, Equals, "standard")
	c.Assert(r0.InstanceId, Equals, "i-f15ebb98")

	r0i := resp.Addresses[1]
	c.Assert(r0i.PublicIp, Equals, "198.51.100.2")
	c.Assert(r0i.Domain, Equals, "standard")
	c.Assert(r0i.InstanceId, Equals, "")

	r0ii := resp.Addresses[2]
	c.Assert(r0ii.PublicIp, Equals, "203.0.113.41")
	c.Assert(r0ii.Domain, Equals, "vpc")
	c.Assert(r0ii.InstanceId, Equals, "i-64600030")
	c.Assert(r0ii.AssociationId, Equals, "eipassoc-f0229899")
	c.Assert(r0ii.AllocationId, Equals, "eipalloc-08229861")
	c.Assert(r0ii.NetworkInterfaceOwnerId, Equals, "053230519467")
	c.Assert(r0ii.NetworkInterfaceId, Equals, "eni-ef229886")
	c.Assert(r0ii.PrivateIpAddress, Equals, "10.0.0.228")
}

func (s *S) TestDescribeSnapshotsExample(c *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"], DeepEquals, []string{"DescribeSnapshots"})
	c.Assert(req.Form["SnapshotId.1"], DeepEquals, []string{"snap-1"})
	c.Assert(req.Form["SnapshotId.2"], DeepEquals, []string{"snap-2"})
	c.Assert(req.Form["Filter.1.Name"], DeepEquals, []string{"key1"})
	c.Assert(req.Form["Filter.1.Value.1"], DeepEquals, []string{"value1"})
	c.Assert(req.Form["Filter.1.Value.2"], IsNil)
	c.Assert(req.Form["Filter.2.Name"], DeepEquals, []string{"key2"})
	c.Assert(req.Form["Filter.2.Value.1"], DeepEquals, []string{"value2"})
	c.Assert(req.Form["Filter.2.Value.2"], DeepEquals, []string{"value3"})

	c.Assert(err, IsNil)
	c.Assert(resp.RequestId, Equals, "59dbff89-35bd-4eac-99ed-be587EXAMPLE")
	c.Assert(resp.Snapshots, HasLen, 1)

	s0 := resp.Snapshots[0]
	c.Assert(s0.Id, Equals, "snap-1a2b3c4d")
	c.Assert(s0.VolumeId, Equals, "vol-8875daef")
	c.Assert(s0.VolumeSize, Equals, "15")
	c.Assert(s0.Status, Equals, "pending")
	c.Assert(s0.StartTime, Equals, "2010-07-29T04:12:01.000Z")
	c.Assert(s0.Progress, Equals, "30%")
	c.Assert(s0.OwnerId, Equals, "111122223333")
	c.Assert(s0.Description, Equals, "Daily Backup")

	c.Assert(s0.Tags, HasLen, 1)
	c.Assert(s0.Tags[0].Key, Equals, "Purpose")
	c.Assert(s0.Tags[0].Value, Equals, "demo_db_14_backup")
}

func (s *S) TestDescribeAddressesAllocationIDExample(c *C) {
	testServer.Response(200, nil, DescribeAddressesAllocationIdExample)

	filter := ec2.NewFilter()
	filter.Add("key1", "value1")
	filter.Add("key2", "value2", "value3")

	resp, err := s.ec2.DescribeAddresses([]string{}, []string{"eipalloc-08229861", "eipalloc-08364752"}, nil)

	req := testServer.WaitRequest()
	c.Assert(req.Form["Action"], DeepEquals, []string{"DescribeAddresses"})
	c.Assert(req.Form["AllocationId.1"], DeepEquals, []string{"eipalloc-08229861"})
	c.Assert(req.Form["AllocationId.2"], DeepEquals, []string{"eipalloc-08364752"})

	c.Assert(err, IsNil)
	c.Assert(resp.RequestId, Equals, "59dbff89-35bd-4eac-99ed-be587EXAMPLE")
	c.Assert(resp.Addresses, HasLen, 2)

	r0 := resp.Addresses[0]
	c.Assert(r0.PublicIp, Equals, "203.0.113.41")
	c.Assert(r0.AllocationId, Equals, "eipalloc-08229861")
	c.Assert(r0.Domain, Equals, "vpc")
	c.Assert(r0.InstanceId, Equals, "i-64600030")
	c.Assert(r0.AssociationId, Equals, "eipassoc-f0229899")
	c.Assert(r0.NetworkInterfaceId, Equals, "eni-ef229886")
	c.Assert(r0.NetworkInterfaceOwnerId, Equals, "053230519467")
	c.Assert(r0.PrivateIpAddress, Equals, "10.0.0.228")

	r1 := resp.Addresses[1]
	c.Assert(r1.PublicIp, Equals, "146.54.2.230")
	c.Assert(r1.AllocationId, Equals, "eipalloc-08364752")
	c.Assert(r1.Domain, Equals, "vpc")
	c.Assert(r1.InstanceId, Equals, "i-64693456")
	c.Assert(r1.AssociationId, Equals, "eipassoc-f0348693")
	c.Assert(r1.NetworkInterfaceId, Equals, "eni-da764039")
	c.Assert(r1.NetworkInterfaceOwnerId, Equals, "053230519467")
	c.Assert(r1.PrivateIpAddress, Equals, "10.0.0.102")
}

func (s *S) TestDescribeInstancesExample2(c *C) {
	testServer.Response(200, nil, DescribeInstancesExample2)

	filter := ec2.NewFilter()
	filter.Add("key1", "value1")
	filter.Add("key2", "value2", "value3")

	resp, err := s.ec2.DescribeInstances([]string{"i-1", "i-2"}, filter)

	req := testServer.WaitRequest()
	c.Assert(req.Form["Action"], DeepEquals, []string{"DescribeInstances"})
	c.Assert(req.Form["InstanceId.1"], DeepEquals, []string{"i-1"})
	c.Assert(req.Form["InstanceId.2"], DeepEquals, []string{"i-2"})
	c.Assert(req.Form["Filter.1.Name"], DeepEquals, []string{"key1"})
	c.Assert(req.Form["Filter.1.Value.1"], DeepEquals, []string{"value1"})
	c.Assert(req.Form["Filter.1.Value.2"], IsNil)
	c.Assert(req.Form["Filter.2.Name"], DeepEquals, []string{"key2"})
	c.Assert(req.Form["Filter.2.Value.1"], DeepEquals, []string{"value2"})
	c.Assert(req.Form["Filter.2.Value.2"], DeepEquals, []string{"value3"})

	c.Assert(err, IsNil)
	c.Assert(resp.RequestId, Equals, "59dbff89-35bd-4eac-99ed-be587EXAMPLE")
	c.Assert(resp.Reservations, HasLen, 1)

	r0 := resp.Reservations[0]
	r0i := r0.Instances[0]
	c.Assert(r0i.State.Code, Equals, 16)
	c.Assert(r0i.State.Name, Equals, "running")

	r0t0 := r0i.Tags[0]
	r0t1 := r0i.Tags[1]
	c.Assert(r0t0.Key, Equals, "webserver")
	c.Assert(r0t0.Value, Equals, "")
	c.Assert(r0t1.Key, Equals, "stack")
	c.Assert(r0t1.Value, Equals, "Production")
}

//.........这里部分代码省略.........
	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)
}

func (s *S) TestDescribeImagesExample(c *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"], DeepEquals, []string{"DescribeImages"})
	c.Assert(req.Form["ImageId.1"], DeepEquals, []string{"ami-1"})
	c.Assert(req.Form["ImageId.2"], DeepEquals, []string{"ami-2"})
	c.Assert(req.Form["Filter.1.Name"], DeepEquals, []string{"key1"})
	c.Assert(req.Form["Filter.1.Value.1"], DeepEquals, []string{"value1"})
	c.Assert(req.Form["Filter.1.Value.2"], IsNil)
	c.Assert(req.Form["Filter.2.Name"], DeepEquals, []string{"key2"})
	c.Assert(req.Form["Filter.2.Value.1"], DeepEquals, []string{"value2"})
	c.Assert(req.Form["Filter.2.Value.2"], DeepEquals, []string{"value3"})

	c.Assert(err, IsNil)
	c.Assert(resp.RequestId, Equals, "4a4a27a2-2e7c-475d-b35b-ca822EXAMPLE")
	c.Assert(resp.Images, HasLen, 1)

	i0 := resp.Images[0]
	c.Assert(i0.Id, Equals, "ami-a2469acf")
	c.Assert(i0.Type, Equals, "machine")
	c.Assert(i0.Name, Equals, "example-marketplace-amzn-ami.1")
	c.Assert(i0.Description, Equals, "Amazon Linux AMI i386 EBS")
	c.Assert(i0.Location, Equals, "aws-marketplace/example-marketplace-amzn-ami.1")
	c.Assert(i0.State, Equals, "available")
	c.Assert(i0.Public, Equals, true)
	c.Assert(i0.OwnerId, Equals, "123456789999")
	c.Assert(i0.OwnerAlias, Equals, "aws-marketplace")
	c.Assert(i0.Architecture, Equals, "i386")
	c.Assert(i0.KernelId, Equals, "aki-805ea7e9")
	c.Assert(i0.RootDeviceType, Equals, "ebs")
	c.Assert(i0.RootDeviceName, Equals, "/dev/sda1")
	c.Assert(i0.VirtualizationType, Equals, "paravirtual")
	c.Assert(i0.Hypervisor, Equals, "xen")

	c.Assert(i0.Tags, HasLen, 1)
	c.Assert(i0.Tags[0].Key, Equals, "Purpose")
	c.Assert(i0.Tags[0].Value, Equals, "EXAMPLE")

	c.Assert(i0.BlockDevices, HasLen, 1)
	c.Assert(i0.BlockDevices[0].DeviceName, Equals, "/dev/sda1")
	c.Assert(i0.BlockDevices[0].SnapshotId, Equals, "snap-787e9403")
	c.Assert(i0.BlockDevices[0].VolumeSize, Equals, int64(8))
	c.Assert(i0.BlockDevices[0].DeleteOnTermination, Equals, true)

	testServer.Response(200, nil, DescribeImagesExample)
	resp2, err := s.ec2.ImagesByOwners([]string{"ami-1", "ami-2"}, []string{"123456789999", "id2"}, filter)

	req2 := testServer.WaitRequest()
	c.Assert(req2.Form["Action"], DeepEquals, []string{"DescribeImages"})
	c.Assert(req2.Form["ImageId.1"], DeepEquals, []string{"ami-1"})
	c.Assert(req2.Form["ImageId.2"], DeepEquals, []string{"ami-2"})
	c.Assert(req2.Form["Owner.1"], DeepEquals, []string{"123456789999"})
	c.Assert(req2.Form["Owner.2"], DeepEquals, []string{"id2"})
	c.Assert(req2.Form["Filter.1.Name"], DeepEquals, []string{"key1"})
	c.Assert(req2.Form["Filter.1.Value.1"], DeepEquals, []string{"value1"})
	c.Assert(req2.Form["Filter.1.Value.2"], IsNil)
	c.Assert(req2.Form["Filter.2.Name"], DeepEquals, []string{"key2"})
	c.Assert(req2.Form["Filter.2.Value.1"], DeepEquals, []string{"value2"})
	c.Assert(req2.Form["Filter.2.Value.2"], DeepEquals, []string{"value3"})

	c.Assert(err, IsNil)
	c.Assert(resp2.RequestId, Equals, "4a4a27a2-2e7c-475d-b35b-ca822EXAMPLE")
	c.Assert(resp2.Images, HasLen, 1)

	i1 := resp2.Images[0]
	c.Assert(i1.Id, Equals, "ami-a2469acf")
	c.Assert(i1.Type, Equals, "machine")
	c.Assert(i1.Name, Equals, "example-marketplace-amzn-ami.1")
	c.Assert(i1.Description, Equals, "Amazon Linux AMI i386 EBS")
	c.Assert(i1.Location, Equals, "aws-marketplace/example-marketplace-amzn-ami.1")
	c.Assert(i1.State, Equals, "available")
	c.Assert(i1.Public, Equals, true)
	c.Assert(i1.OwnerId, Equals, "123456789999")
	c.Assert(i1.OwnerAlias, Equals, "aws-marketplace")
	c.Assert(i1.Architecture, Equals, "i386")
	c.Assert(i1.KernelId, Equals, "aki-805ea7e9")
	c.Assert(i1.RootDeviceType, Equals, "ebs")
	c.Assert(i1.RootDeviceName, Equals, "/dev/sda1")
	c.Assert(i1.VirtualizationType, Equals, "paravirtual")
	c.Assert(i1.Hypervisor, Equals, "xen")

	c.Assert(i1.BlockDevices, HasLen, 1)
	c.Assert(i1.BlockDevices[0].DeviceName, Equals, "/dev/sda1")
	c.Assert(i1.BlockDevices[0].SnapshotId, Equals, "snap-787e9403")
	c.Assert(i1.BlockDevices[0].VolumeSize, Equals, int64(8))
	c.Assert(i1.BlockDevices[0].DeleteOnTermination, Equals, true)
}

//.........这里部分代码省略.........
		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.DescribeInstances(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))
		}
	}
}