Example #1
0
func TestCopyIgnoreNilMembers(t *testing.T) {
	type Foo struct {
		A *string
	}

	f := &Foo{}
	assert.Nil(t, f.A)

	var f2 Foo
	awsutil.Copy(&f2, f)
	assert.Nil(t, f2.A)

	fcopy := awsutil.CopyOf(f)
	f3 := fcopy.(*Foo)
	assert.Nil(t, f3.A)
}
Example #2
0
func fillPresignedURL(r *aws.Request) {
	if !r.ParamsFilled() {
		return
	}

	params := r.Params.(*CopySnapshotInput)

	// Stop if PresignedURL/DestinationRegion is set
	if params.PresignedURL != nil || params.DestinationRegion != nil {
		return
	}

	// First generate a copy of parameters
	r.Params = awsutil.CopyOf(r.Params)
	params = r.Params.(*CopySnapshotInput)

	// Set destination region. Avoids infinite handler loop.
	// Also needed to sign sub-request.
	params.DestinationRegion = &r.Service.Config.Region

	// Create a new client pointing at source region.
	// We will use this to presign the CopySnapshot request against
	// the source region
	config := r.Service.Config.Copy()

	config.Endpoint = ""
	config.Region = *params.SourceRegion
	client := New(&config)

	// Presign a CopySnapshot request with modified params
	req, _ := client.CopySnapshotRequest(params)
	url, err := req.Presign(300 * time.Second) // 5 minutes should be enough.

	if err != nil { // bubble error back up to original request
		r.Error = err
	}

	// We have our URL, set it on params
	params.PresignedURL = &url
}
Example #3
0
func ExampleCopyOf() {
	type Foo struct {
		A int
		B []*string
	}

	// Create the initial value
	str1 := "hello"
	str2 := "bye bye"
	f1 := &Foo{A: 1, B: []*string{&str1, &str2}}

	// Do the copy
	v := awsutil.CopyOf(f1)
	var f2 *Foo = v.(*Foo)

	// Print the result
	fmt.Println(awsutil.StringValue(f2))

	// Output:
	// {
	//   A: 1,
	//   B: ["hello","bye bye"]
	// }
}