func doPull(client *gophercloud.ServiceClient,
container, object string) ([]byte, error) {
result := objects.Download(client, container, object, nil)
bytes, err := result.ExtractContent()
if err != nil {
return nil, err
}
return bytes, nil
}
func (c *SwiftClient) Get() (*Payload, error) {
result := objects.Download(c.client, c.path, TFSTATE_NAME, nil)
bytes, err := result.ExtractContent()
if err != nil {
if strings.Contains(err.Error(), "but got 404 instead") {
return nil, nil
}
return nil, err
}
hash := md5.Sum(bytes)
payload := &Payload{
Data: bytes,
MD5: hash[:md5.Size],
}
return payload, nil
}
func TestObjects(t *testing.T) {
// Create a provider client for executing the HTTP request.
// See common.go for more information.
client := newClient(t)
// Make a slice of length numObjects to hold the random object names.
oNames := make([]string, numObjects)
for i := 0; i < len(oNames); i++ {
oNames[i] = tools.RandomString("test-object-", 8)
}
// Create a container to hold the test objects.
cName := tools.RandomString("test-container-", 8)
header, err := containers.Create(client, cName, nil).ExtractHeader()
th.AssertNoErr(t, err)
t.Logf("Create object headers: %+v\n", header)
// Defer deletion of the container until after testing.
defer func() {
res := containers.Delete(client, cName)
th.AssertNoErr(t, res.Err)
}()
// Create a slice of buffers to hold the test object content.
oContents := make([]*bytes.Buffer, numObjects)
for i := 0; i < numObjects; i++ {
oContents[i] = bytes.NewBuffer([]byte(tools.RandomString("", 10)))
res := objects.Create(client, cName, oNames[i], oContents[i], nil)
th.AssertNoErr(t, res.Err)
}
// Delete the objects after testing.
defer func() {
for i := 0; i < numObjects; i++ {
res := objects.Delete(client, cName, oNames[i], nil)
th.AssertNoErr(t, res.Err)
}
}()
ons := make([]string, 0, len(oNames))
err = objects.List(client, cName, &objects.ListOpts{Full: false, Prefix: "test-object-"}).EachPage(func(page pagination.Page) (bool, error) {
names, err := objects.ExtractNames(page)
th.AssertNoErr(t, err)
ons = append(ons, names...)
return true, nil
})
th.AssertNoErr(t, err)
th.AssertEquals(t, len(ons), len(oNames))
ois := make([]objects.Object, 0, len(oNames))
err = objects.List(client, cName, &objects.ListOpts{Full: true, Prefix: "test-object-"}).EachPage(func(page pagination.Page) (bool, error) {
info, err := objects.ExtractInfo(page)
th.AssertNoErr(t, err)
ois = append(ois, info...)
return true, nil
})
th.AssertNoErr(t, err)
th.AssertEquals(t, len(ois), len(oNames))
// Copy the contents of one object to another.
copyres := objects.Copy(client, cName, oNames[0], &objects.CopyOpts{Destination: cName + "/" + oNames[1]})
th.AssertNoErr(t, copyres.Err)
// Download one of the objects that was created above.
o1Content, err := objects.Download(client, cName, oNames[0], nil).ExtractContent()
th.AssertNoErr(t, err)
// Download the another object that was create above.
o2Content, err := objects.Download(client, cName, oNames[1], nil).ExtractContent()
th.AssertNoErr(t, err)
// Compare the two object's contents to test that the copy worked.
th.AssertEquals(t, string(o2Content), string(o1Content))
// Update an object's metadata.
updateres := objects.Update(client, cName, oNames[0], &objects.UpdateOpts{Metadata: metadata})
th.AssertNoErr(t, updateres.Err)
// Delete the object's metadata after testing.
defer func() {
tempMap := make(map[string]string)
for k := range metadata {
tempMap[k] = ""
}
res := objects.Update(client, cName, oNames[0], &objects.UpdateOpts{Metadata: tempMap})
th.AssertNoErr(t, res.Err)
}()
// Retrieve an object's metadata.
om, err := objects.Get(client, cName, oNames[0], nil).ExtractMetadata()
th.AssertNoErr(t, err)
for k := range metadata {
if om[k] != metadata[strings.Title(k)] {
t.Errorf("Expected custom metadata with key: %s", k)
return
}
}
}
// Download is a function that retrieves the content and metadata for an object.
// To extract just the content, pass the DownloadResult response to the
// ExtractContent function.
func Download(c *gophercloud.ServiceClient, containerName, objectName string, opts os.DownloadOptsBuilder) os.DownloadResult {
return os.Download(c, containerName, objectName, opts)
}
func (s *Swift) Get(name string) objects.DownloadResult {
log.Debugf("(OpenStack) Download object (%s)", name)
opts := objects.DownloadOpts{}
return objects.Download(s.client, s.containerName, name, opts)
}