forked from TrueCloudLab/distribution
Merge pull request #670 from stevvooe/remove-ipc
Remove half-baked Storage Driver IPC support
This commit is contained in:
Stephen Day
commit
940b865bc0
10 changed files with 49 additions and 911 deletions
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@ -59,11 +59,5 @@ func init() {
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return ""
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}
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testsuites.RegisterInProcessSuite(azureDriverConstructor, skipCheck)
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// testsuites.RegisterIPCSuite(driverName, map[string]string{
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// paramAccountName: accountName,
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// paramAccountKey: accountKey,
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// paramContainer: container,
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// paramRealm: realm,
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// }, skipCheck)
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testsuites.RegisterSuite(azureDriverConstructor, skipCheck)
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}
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@ -33,30 +33,14 @@ func Register(name string, factory StorageDriverFactory) {
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driverFactories[name] = factory
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}
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// Create a new storagedriver.StorageDriver with the given name and parameters
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// To run in-process, the StorageDriverFactory must first be registered with the given name
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// If no in-process drivers are found with the given name, this attempts to create an IPC driver
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// If no in-process or external drivers are found, an InvalidStorageDriverError is returned
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// Create a new storagedriver.StorageDriver with the given name and
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// parameters. To use a driver, the StorageDriverFactory must first be
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// registered with the given name. If no drivers are found, an
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// InvalidStorageDriverError is returned
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func Create(name string, parameters map[string]interface{}) (storagedriver.StorageDriver, error) {
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driverFactory, ok := driverFactories[name]
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if !ok {
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return nil, InvalidStorageDriverError{name}
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// NOTE(stevvooe): We are disabling storagedriver ipc for now, as the
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// server and client need to be updated for the changed API calls and
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// there were some problems libchan hanging. We'll phase this
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// functionality back in over the next few weeks.
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// No registered StorageDriverFactory found, try ipc
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// driverClient, err := ipc.NewDriverClient(name, parameters)
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// if err != nil {
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// return nil, InvalidStorageDriverError{name}
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// }
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// err = driverClient.Start()
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// if err != nil {
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// return nil, err
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// }
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// return driverClient, nil
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}
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return driverFactory.Create(parameters)
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}
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@ -20,10 +20,7 @@ func init() {
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}
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defer os.Remove(root)
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testsuites.RegisterInProcessSuite(func() (storagedriver.StorageDriver, error) {
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testsuites.RegisterSuite(func() (storagedriver.StorageDriver, error) {
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return New(root), nil
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}, testsuites.NeverSkip)
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// BUG(stevvooe): IPC is broken so we're disabling for now. Will revisit later.
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// testsuites.RegisterIPCSuite(driverName, map[string]string{"rootdirectory": root}, testsuites.NeverSkip)
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}
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@ -5,7 +5,6 @@ import (
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storagedriver "github.com/docker/distribution/registry/storage/driver"
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"github.com/docker/distribution/registry/storage/driver/testsuites"
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"gopkg.in/check.v1"
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)
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@ -16,9 +15,5 @@ func init() {
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inmemoryDriverConstructor := func() (storagedriver.StorageDriver, error) {
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return New(), nil
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}
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testsuites.RegisterInProcessSuite(inmemoryDriverConstructor, testsuites.NeverSkip)
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// BUG(stevvooe): Disable flaky IPC tests for now when we can troubleshoot
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// the problems with libchan.
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// testsuites.RegisterIPCSuite(driverName, nil, testsuites.NeverSkip)
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testsuites.RegisterSuite(inmemoryDriverConstructor, testsuites.NeverSkip)
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}
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@ -1,454 +0,0 @@
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// +build ignore
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package ipc
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net"
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"os"
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"os/exec"
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"syscall"
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storagedriver "github.com/docker/distribution/registry/storage/driver"
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"github.com/docker/libchan"
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"github.com/docker/libchan/spdy"
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)
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// StorageDriverExecutablePrefix is the prefix which the IPC storage driver
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// loader expects driver executables to begin with. For example, the s3 driver
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// should be named "registry-storagedriver-s3".
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const StorageDriverExecutablePrefix = "registry-storagedriver-"
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// StorageDriverClient is a storagedriver.StorageDriver implementation using a
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// managed child process communicating over IPC using libchan with a unix domain
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// socket
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type StorageDriverClient struct {
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subprocess *exec.Cmd
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exitChan chan error
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exitErr error
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stopChan chan struct{}
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socket *os.File
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transport *spdy.Transport
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sender libchan.Sender
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version storagedriver.Version
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}
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// NewDriverClient constructs a new out-of-process storage driver using the
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// driver name and configuration parameters
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// A user must call Start on this driver client before remote method calls can
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// be made
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//
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// Looks for drivers in the following locations in order:
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// - Storage drivers directory (to be determined, yet not implemented)
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// - $GOPATH/bin
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// - $PATH
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func NewDriverClient(name string, parameters map[string]string) (*StorageDriverClient, error) {
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paramsBytes, err := json.Marshal(parameters)
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if err != nil {
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return nil, err
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}
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driverExecName := StorageDriverExecutablePrefix + name
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driverPath, err := exec.LookPath(driverExecName)
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if err != nil {
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return nil, err
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}
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command := exec.Command(driverPath, string(paramsBytes))
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return &StorageDriverClient{
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subprocess: command,
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}, nil
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}
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// Start starts the designated child process storage driver and binds a socket
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// to this process for IPC method calls
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func (driver *StorageDriverClient) Start() error {
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driver.exitErr = nil
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driver.exitChan = make(chan error)
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driver.stopChan = make(chan struct{})
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fileDescriptors, err := syscall.Socketpair(syscall.AF_LOCAL, syscall.SOCK_STREAM, 0)
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if err != nil {
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return err
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}
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childSocket := os.NewFile(uintptr(fileDescriptors[0]), "childSocket")
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driver.socket = os.NewFile(uintptr(fileDescriptors[1]), "parentSocket")
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driver.subprocess.Stdout = os.Stdout
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driver.subprocess.Stderr = os.Stderr
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driver.subprocess.ExtraFiles = []*os.File{childSocket}
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if err = driver.subprocess.Start(); err != nil {
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driver.Stop()
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return err
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}
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go driver.handleSubprocessExit()
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if err = childSocket.Close(); err != nil {
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driver.Stop()
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return err
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}
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connection, err := net.FileConn(driver.socket)
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if err != nil {
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driver.Stop()
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return err
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}
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driver.transport, err = spdy.NewClientTransport(connection)
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if err != nil {
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driver.Stop()
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return err
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}
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driver.sender, err = driver.transport.NewSendChannel()
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if err != nil {
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driver.Stop()
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return err
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}
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// Check the driver's version to determine compatibility
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receiver, remoteSender := libchan.Pipe()
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err = driver.sender.Send(&Request{Type: "Version", ResponseChannel: remoteSender})
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if err != nil {
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driver.Stop()
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return err
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}
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var response VersionResponse
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err = receiver.Receive(&response)
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if err != nil {
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driver.Stop()
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return err
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}
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if response.Error != nil {
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return response.Error.Unwrap()
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}
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driver.version = response.Version
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if driver.version.Major() != storagedriver.CurrentVersion.Major() || driver.version.Minor() > storagedriver.CurrentVersion.Minor() {
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return IncompatibleVersionError{driver.version}
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}
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return nil
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}
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// Stop stops the child process storage driver
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// storagedriver.StorageDriver methods called after Stop will fail
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func (driver *StorageDriverClient) Stop() error {
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var closeSenderErr, closeTransportErr, closeSocketErr, killErr error
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if driver.sender != nil {
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closeSenderErr = driver.sender.Close()
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}
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if driver.transport != nil {
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closeTransportErr = driver.transport.Close()
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}
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if driver.socket != nil {
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closeSocketErr = driver.socket.Close()
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}
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if driver.subprocess != nil {
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killErr = driver.subprocess.Process.Kill()
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}
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if driver.stopChan != nil {
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close(driver.stopChan)
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}
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if closeSenderErr != nil {
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return closeSenderErr
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} else if closeTransportErr != nil {
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return closeTransportErr
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} else if closeSocketErr != nil {
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return closeSocketErr
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}
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return killErr
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}
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// Implement the storagedriver.StorageDriver interface over IPC
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// GetContent retrieves the content stored at "path" as a []byte.
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func (driver *StorageDriverClient) GetContent(path string) ([]byte, error) {
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if err := driver.exited(); err != nil {
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return nil, err
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}
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receiver, remoteSender := libchan.Pipe()
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params := map[string]interface{}{"Path": path}
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err := driver.sender.Send(&Request{Type: "GetContent", Parameters: params, ResponseChannel: remoteSender})
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if err != nil {
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return nil, err
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}
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response := new(ReadStreamResponse)
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err = driver.receiveResponse(receiver, response)
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if err != nil {
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return nil, err
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}
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if response.Error != nil {
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return nil, response.Error.Unwrap()
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}
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defer response.Reader.Close()
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contents, err := ioutil.ReadAll(response.Reader)
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if err != nil {
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return nil, err
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}
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return contents, nil
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}
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// PutContent stores the []byte content at a location designated by "path".
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func (driver *StorageDriverClient) PutContent(path string, contents []byte) error {
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if err := driver.exited(); err != nil {
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return err
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}
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receiver, remoteSender := libchan.Pipe()
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params := map[string]interface{}{"Path": path, "Reader": ioutil.NopCloser(bytes.NewReader(contents))}
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err := driver.sender.Send(&Request{Type: "PutContent", Parameters: params, ResponseChannel: remoteSender})
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if err != nil {
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return err
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}
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response := new(WriteStreamResponse)
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err = driver.receiveResponse(receiver, response)
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if err != nil {
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return err
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}
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if response.Error != nil {
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return response.Error.Unwrap()
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}
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return nil
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}
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// ReadStream retrieves an io.ReadCloser for the content stored at "path" with a
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// given byte offset.
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func (driver *StorageDriverClient) ReadStream(path string, offset int64) (io.ReadCloser, error) {
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if err := driver.exited(); err != nil {
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return nil, err
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}
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receiver, remoteSender := libchan.Pipe()
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params := map[string]interface{}{"Path": path, "Offset": offset}
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err := driver.sender.Send(&Request{Type: "ReadStream", Parameters: params, ResponseChannel: remoteSender})
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if err != nil {
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return nil, err
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}
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response := new(ReadStreamResponse)
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err = driver.receiveResponse(receiver, response)
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if err != nil {
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return nil, err
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}
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if response.Error != nil {
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return nil, response.Error.Unwrap()
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}
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return response.Reader, nil
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}
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// WriteStream stores the contents of the provided io.ReadCloser at a location
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// designated by the given path.
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func (driver *StorageDriverClient) WriteStream(path string, offset, size int64, reader io.ReadCloser) error {
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if err := driver.exited(); err != nil {
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return err
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}
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receiver, remoteSender := libchan.Pipe()
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params := map[string]interface{}{"Path": path, "Offset": offset, "Size": size, "Reader": reader}
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err := driver.sender.Send(&Request{Type: "WriteStream", Parameters: params, ResponseChannel: remoteSender})
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if err != nil {
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return err
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}
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response := new(WriteStreamResponse)
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err = driver.receiveResponse(receiver, response)
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if err != nil {
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return err
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}
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if response.Error != nil {
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return response.Error.Unwrap()
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}
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return nil
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}
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// CurrentSize retrieves the curernt size in bytes of the object at the given
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// path.
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func (driver *StorageDriverClient) CurrentSize(path string) (uint64, error) {
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if err := driver.exited(); err != nil {
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return 0, err
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}
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receiver, remoteSender := libchan.Pipe()
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params := map[string]interface{}{"Path": path}
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err := driver.sender.Send(&Request{Type: "CurrentSize", Parameters: params, ResponseChannel: remoteSender})
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if err != nil {
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return 0, err
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}
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response := new(CurrentSizeResponse)
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err = driver.receiveResponse(receiver, response)
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if err != nil {
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return 0, err
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}
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if response.Error != nil {
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return 0, response.Error.Unwrap()
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}
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return response.Position, nil
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}
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// List returns a list of the objects that are direct descendants of the given
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// path.
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func (driver *StorageDriverClient) List(path string) ([]string, error) {
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if err := driver.exited(); err != nil {
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return nil, err
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}
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receiver, remoteSender := libchan.Pipe()
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params := map[string]interface{}{"Path": path}
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err := driver.sender.Send(&Request{Type: "List", Parameters: params, ResponseChannel: remoteSender})
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if err != nil {
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return nil, err
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}
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response := new(ListResponse)
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err = driver.receiveResponse(receiver, response)
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if err != nil {
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return nil, err
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}
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if response.Error != nil {
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return nil, response.Error.Unwrap()
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}
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return response.Keys, nil
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}
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// Move moves an object stored at sourcePath to destPath, removing the original
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// object.
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func (driver *StorageDriverClient) Move(sourcePath string, destPath string) error {
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if err := driver.exited(); err != nil {
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return err
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}
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receiver, remoteSender := libchan.Pipe()
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params := map[string]interface{}{"SourcePath": sourcePath, "DestPath": destPath}
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err := driver.sender.Send(&Request{Type: "Move", Parameters: params, ResponseChannel: remoteSender})
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if err != nil {
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return err
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}
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response := new(MoveResponse)
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err = driver.receiveResponse(receiver, response)
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if err != nil {
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return err
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}
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|
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if response.Error != nil {
|
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return response.Error.Unwrap()
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}
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return nil
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}
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// Delete recursively deletes all objects stored at "path" and its subpaths.
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func (driver *StorageDriverClient) Delete(path string) error {
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if err := driver.exited(); err != nil {
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return err
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}
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receiver, remoteSender := libchan.Pipe()
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params := map[string]interface{}{"Path": path}
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err := driver.sender.Send(&Request{Type: "Delete", Parameters: params, ResponseChannel: remoteSender})
|
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if err != nil {
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return err
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}
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response := new(DeleteResponse)
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err = driver.receiveResponse(receiver, response)
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if err != nil {
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return err
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}
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|
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if response.Error != nil {
|
||||
return response.Error.Unwrap()
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}
|
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|
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return nil
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}
|
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|
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// handleSubprocessExit populates the exit channel until we have explicitly
|
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// stopped the storage driver subprocess
|
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// Requests can select on driver.exitChan and response receiving and not hang if
|
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// the process exits
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func (driver *StorageDriverClient) handleSubprocessExit() {
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exitErr := driver.subprocess.Wait()
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if exitErr == nil {
|
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exitErr = fmt.Errorf("Storage driver subprocess already exited cleanly")
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} else {
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exitErr = fmt.Errorf("Storage driver subprocess exited with error: %s", exitErr)
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}
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driver.exitErr = exitErr
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|
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for {
|
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select {
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case driver.exitChan <- exitErr:
|
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case <-driver.stopChan:
|
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close(driver.exitChan)
|
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return
|
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}
|
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}
|
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}
|
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|
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// receiveResponse populates the response value with the next result from the
|
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// given receiver, or returns an error if receiving failed or the driver has
|
||||
// stopped
|
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func (driver *StorageDriverClient) receiveResponse(receiver libchan.Receiver, response interface{}) error {
|
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receiveChan := make(chan error, 1)
|
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go func(receiver libchan.Receiver, receiveChan chan<- error) {
|
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receiveChan <- receiver.Receive(response)
|
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}(receiver, receiveChan)
|
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|
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var err error
|
||||
var ok bool
|
||||
select {
|
||||
case err = <-receiveChan:
|
||||
case err, ok = <-driver.exitChan:
|
||||
if !ok {
|
||||
err = driver.exitErr
|
||||
}
|
||||
}
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
// exited returns an exit error if the driver has exited or nil otherwise
|
||||
func (driver *StorageDriverClient) exited() error {
|
||||
select {
|
||||
case err, ok := <-driver.exitChan:
|
||||
if !ok {
|
||||
return driver.exitErr
|
||||
}
|
||||
return err
|
||||
default:
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
|
@ -1,148 +0,0 @@
|
|||
// +build ignore
|
||||
|
||||
package ipc
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io"
|
||||
"reflect"
|
||||
|
||||
storagedriver "github.com/docker/distribution/registry/storage/driver"
|
||||
"github.com/docker/libchan"
|
||||
)
|
||||
|
||||
// StorageDriver is the interface which IPC storage drivers must implement. As external storage
|
||||
// drivers may be defined to use a different version of the storagedriver.StorageDriver interface,
|
||||
// we use an additional version check to determine compatiblity.
|
||||
type StorageDriver interface {
|
||||
// Version returns the storagedriver.StorageDriver interface version which this storage driver
|
||||
// implements, which is used to determine driver compatibility
|
||||
Version() (storagedriver.Version, error)
|
||||
}
|
||||
|
||||
// IncompatibleVersionError is returned when a storage driver is using an incompatible version of
|
||||
// the storagedriver.StorageDriver api
|
||||
type IncompatibleVersionError struct {
|
||||
version storagedriver.Version
|
||||
}
|
||||
|
||||
func (e IncompatibleVersionError) Error() string {
|
||||
return fmt.Sprintf("Incompatible storage driver version: %s", e.version)
|
||||
}
|
||||
|
||||
// Request defines a remote method call request
|
||||
// A return value struct is to be sent over the ResponseChannel
|
||||
type Request struct {
|
||||
Type string `codec:",omitempty"`
|
||||
Parameters map[string]interface{} `codec:",omitempty"`
|
||||
ResponseChannel libchan.Sender `codec:",omitempty"`
|
||||
}
|
||||
|
||||
// ResponseError is a serializable error type.
|
||||
// The Type and Parameters may be used to reconstruct the same error on the
|
||||
// client side, falling back to using the Type and Message if this cannot be
|
||||
// done.
|
||||
type ResponseError struct {
|
||||
Type string `codec:",omitempty"`
|
||||
Message string `codec:",omitempty"`
|
||||
Parameters map[string]interface{} `codec:",omitempty"`
|
||||
}
|
||||
|
||||
// WrapError wraps an error in a serializable struct containing the error's type
|
||||
// and message.
|
||||
func WrapError(err error) *ResponseError {
|
||||
if err == nil {
|
||||
return nil
|
||||
}
|
||||
v := reflect.ValueOf(err)
|
||||
re := ResponseError{
|
||||
Type: v.Type().String(),
|
||||
Message: err.Error(),
|
||||
}
|
||||
|
||||
if v.Kind() == reflect.Struct {
|
||||
re.Parameters = make(map[string]interface{})
|
||||
for i := 0; i < v.NumField(); i++ {
|
||||
field := v.Type().Field(i)
|
||||
re.Parameters[field.Name] = v.Field(i).Interface()
|
||||
}
|
||||
}
|
||||
return &re
|
||||
}
|
||||
|
||||
// Unwrap returns the underlying error if it can be reconstructed, or the
|
||||
// original ResponseError otherwise.
|
||||
func (err *ResponseError) Unwrap() error {
|
||||
var errVal reflect.Value
|
||||
var zeroVal reflect.Value
|
||||
|
||||
switch err.Type {
|
||||
case "storagedriver.PathNotFoundError":
|
||||
errVal = reflect.ValueOf(&storagedriver.PathNotFoundError{})
|
||||
case "storagedriver.InvalidOffsetError":
|
||||
errVal = reflect.ValueOf(&storagedriver.InvalidOffsetError{})
|
||||
}
|
||||
if errVal == zeroVal {
|
||||
return err
|
||||
}
|
||||
|
||||
for k, v := range err.Parameters {
|
||||
fieldVal := errVal.Elem().FieldByName(k)
|
||||
if fieldVal == zeroVal {
|
||||
return err
|
||||
}
|
||||
fieldVal.Set(reflect.ValueOf(v))
|
||||
}
|
||||
|
||||
if unwrapped, ok := errVal.Elem().Interface().(error); ok {
|
||||
return unwrapped
|
||||
}
|
||||
|
||||
return err
|
||||
|
||||
}
|
||||
|
||||
func (err *ResponseError) Error() string {
|
||||
return fmt.Sprintf("%s: %s", err.Type, err.Message)
|
||||
}
|
||||
|
||||
// IPC method call response object definitions
|
||||
|
||||
// VersionResponse is a response for a Version request
|
||||
type VersionResponse struct {
|
||||
Version storagedriver.Version `codec:",omitempty"`
|
||||
Error *ResponseError `codec:",omitempty"`
|
||||
}
|
||||
|
||||
// ReadStreamResponse is a response for a ReadStream request
|
||||
type ReadStreamResponse struct {
|
||||
Reader io.ReadCloser `codec:",omitempty"`
|
||||
Error *ResponseError `codec:",omitempty"`
|
||||
}
|
||||
|
||||
// WriteStreamResponse is a response for a WriteStream request
|
||||
type WriteStreamResponse struct {
|
||||
Error *ResponseError `codec:",omitempty"`
|
||||
}
|
||||
|
||||
// CurrentSizeResponse is a response for a CurrentSize request
|
||||
type CurrentSizeResponse struct {
|
||||
Position uint64 `codec:",omitempty"`
|
||||
Error *ResponseError `codec:",omitempty"`
|
||||
}
|
||||
|
||||
// ListResponse is a response for a List request
|
||||
type ListResponse struct {
|
||||
Keys []string `codec:",omitempty"`
|
||||
Error *ResponseError `codec:",omitempty"`
|
||||
}
|
||||
|
||||
// MoveResponse is a response for a Move request
|
||||
type MoveResponse struct {
|
||||
Error *ResponseError `codec:",omitempty"`
|
||||
}
|
||||
|
||||
// DeleteResponse is a response for a Delete request
|
||||
type DeleteResponse struct {
|
||||
Error *ResponseError `codec:",omitempty"`
|
||||
}
|
||||
|
|
@ -1,178 +0,0 @@
|
|||
// +build ignore
|
||||
|
||||
package ipc
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"net"
|
||||
"os"
|
||||
"reflect"
|
||||
|
||||
storagedriver "github.com/docker/distribution/registry/storage/driver"
|
||||
"github.com/docker/libchan"
|
||||
"github.com/docker/libchan/spdy"
|
||||
)
|
||||
|
||||
// StorageDriverServer runs a new IPC server handling requests for the given
|
||||
// storagedriver.StorageDriver
|
||||
// This explicitly uses file descriptor 3 for IPC communication, as storage drivers are spawned in
|
||||
// client.go
|
||||
//
|
||||
// To create a new out-of-process driver, create a main package which calls StorageDriverServer with
|
||||
// a storagedriver.StorageDriver
|
||||
func StorageDriverServer(driver storagedriver.StorageDriver) error {
|
||||
childSocket := os.NewFile(3, "childSocket")
|
||||
defer childSocket.Close()
|
||||
conn, err := net.FileConn(childSocket)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
defer conn.Close()
|
||||
if transport, err := spdy.NewServerTransport(conn); err != nil {
|
||||
panic(err)
|
||||
} else {
|
||||
for {
|
||||
receiver, err := transport.WaitReceiveChannel()
|
||||
if err == io.EOF {
|
||||
return nil
|
||||
} else if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
go receive(driver, receiver)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// receive receives new storagedriver.StorageDriver method requests and creates a new goroutine to
|
||||
// handle each request
|
||||
// Requests are expected to be of type ipc.Request as the parameters are unknown until the request
|
||||
// type is deserialized
|
||||
func receive(driver storagedriver.StorageDriver, receiver libchan.Receiver) {
|
||||
for {
|
||||
var request Request
|
||||
err := receiver.Receive(&request)
|
||||
if err == io.EOF {
|
||||
return
|
||||
} else if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
go handleRequest(driver, request)
|
||||
}
|
||||
}
|
||||
|
||||
// handleRequest handles storagedriver.StorageDriver method requests as defined in client.go
|
||||
// Responds to requests using the Request.ResponseChannel
|
||||
func handleRequest(driver storagedriver.StorageDriver, request Request) {
|
||||
switch request.Type {
|
||||
case "Version":
|
||||
err := request.ResponseChannel.Send(&VersionResponse{Version: storagedriver.CurrentVersion})
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
case "GetContent":
|
||||
path, _ := request.Parameters["Path"].(string)
|
||||
content, err := driver.GetContent(path)
|
||||
var response ReadStreamResponse
|
||||
if err != nil {
|
||||
response = ReadStreamResponse{Error: WrapError(err)}
|
||||
} else {
|
||||
response = ReadStreamResponse{Reader: ioutil.NopCloser(bytes.NewReader(content))}
|
||||
}
|
||||
err = request.ResponseChannel.Send(&response)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
case "PutContent":
|
||||
path, _ := request.Parameters["Path"].(string)
|
||||
reader, _ := request.Parameters["Reader"].(io.ReadCloser)
|
||||
contents, err := ioutil.ReadAll(reader)
|
||||
defer reader.Close()
|
||||
if err == nil {
|
||||
err = driver.PutContent(path, contents)
|
||||
}
|
||||
response := WriteStreamResponse{
|
||||
Error: WrapError(err),
|
||||
}
|
||||
err = request.ResponseChannel.Send(&response)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
case "ReadStream":
|
||||
path, _ := request.Parameters["Path"].(string)
|
||||
// Depending on serialization method, Offset may be converted to any int/uint type
|
||||
offset := reflect.ValueOf(request.Parameters["Offset"]).Convert(reflect.TypeOf(int64(0))).Int()
|
||||
reader, err := driver.ReadStream(path, offset)
|
||||
var response ReadStreamResponse
|
||||
if err != nil {
|
||||
response = ReadStreamResponse{Error: WrapError(err)}
|
||||
} else {
|
||||
response = ReadStreamResponse{Reader: reader}
|
||||
}
|
||||
err = request.ResponseChannel.Send(&response)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
case "WriteStream":
|
||||
path, _ := request.Parameters["Path"].(string)
|
||||
// Depending on serialization method, Offset may be converted to any int/uint type
|
||||
offset := reflect.ValueOf(request.Parameters["Offset"]).Convert(reflect.TypeOf(int64(0))).Int()
|
||||
// Depending on serialization method, Size may be converted to any int/uint type
|
||||
size := reflect.ValueOf(request.Parameters["Size"]).Convert(reflect.TypeOf(int64(0))).Int()
|
||||
reader, _ := request.Parameters["Reader"].(io.ReadCloser)
|
||||
err := driver.WriteStream(path, offset, size, reader)
|
||||
response := WriteStreamResponse{
|
||||
Error: WrapError(err),
|
||||
}
|
||||
err = request.ResponseChannel.Send(&response)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
case "CurrentSize":
|
||||
path, _ := request.Parameters["Path"].(string)
|
||||
position, err := driver.CurrentSize(path)
|
||||
response := CurrentSizeResponse{
|
||||
Position: position,
|
||||
Error: WrapError(err),
|
||||
}
|
||||
err = request.ResponseChannel.Send(&response)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
case "List":
|
||||
path, _ := request.Parameters["Path"].(string)
|
||||
keys, err := driver.List(path)
|
||||
response := ListResponse{
|
||||
Keys: keys,
|
||||
Error: WrapError(err),
|
||||
}
|
||||
err = request.ResponseChannel.Send(&response)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
case "Move":
|
||||
sourcePath, _ := request.Parameters["SourcePath"].(string)
|
||||
destPath, _ := request.Parameters["DestPath"].(string)
|
||||
err := driver.Move(sourcePath, destPath)
|
||||
response := MoveResponse{
|
||||
Error: WrapError(err),
|
||||
}
|
||||
err = request.ResponseChannel.Send(&response)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
case "Delete":
|
||||
path, _ := request.Parameters["Path"].(string)
|
||||
err := driver.Delete(path)
|
||||
response := DeleteResponse{
|
||||
Error: WrapError(err),
|
||||
}
|
||||
err = request.ResponseChannel.Send(&response)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
default:
|
||||
panic(request)
|
||||
}
|
||||
}
|
||||
|
|
@ -36,5 +36,5 @@ func init() {
|
|||
return ""
|
||||
}
|
||||
|
||||
testsuites.RegisterInProcessSuite(driverConstructor, skipCheck)
|
||||
testsuites.RegisterSuite(driverConstructor, skipCheck)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,7 +17,8 @@ import (
|
|||
// Hook up gocheck into the "go test" runner.
|
||||
func Test(t *testing.T) { check.TestingT(t) }
|
||||
|
||||
type S3DriverConstructor func(rootDirectory string) (*Driver, error)
|
||||
var s3DriverConstructor func(rootDirectory string) (*Driver, error)
|
||||
var skipS3 func() string
|
||||
|
||||
func init() {
|
||||
accessKey := os.Getenv("AWS_ACCESS_KEY")
|
||||
|
|
@ -33,7 +34,7 @@ func init() {
|
|||
}
|
||||
defer os.Remove(root)
|
||||
|
||||
s3DriverConstructor := func(rootDirectory string) (*Driver, error) {
|
||||
s3DriverConstructor = func(rootDirectory string) (*Driver, error) {
|
||||
encryptBool := false
|
||||
if encrypt != "" {
|
||||
encryptBool, err = strconv.ParseBool(encrypt)
|
||||
|
|
@ -74,79 +75,64 @@ func init() {
|
|||
}
|
||||
|
||||
// Skip S3 storage driver tests if environment variable parameters are not provided
|
||||
skipCheck := func() string {
|
||||
skipS3 = func() string {
|
||||
if accessKey == "" || secretKey == "" || region == "" || bucket == "" || encrypt == "" {
|
||||
return "Must set AWS_ACCESS_KEY, AWS_SECRET_KEY, AWS_REGION, S3_BUCKET, and S3_ENCRYPT to run S3 tests"
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
driverConstructor := func() (storagedriver.StorageDriver, error) {
|
||||
testsuites.RegisterSuite(func() (storagedriver.StorageDriver, error) {
|
||||
return s3DriverConstructor(root)
|
||||
}, skipS3)
|
||||
}
|
||||
|
||||
testsuites.RegisterInProcessSuite(driverConstructor, skipCheck)
|
||||
|
||||
// s3Constructor := func() (*Driver, error) {
|
||||
// return s3DriverConstructor(aws.GetRegion(region))
|
||||
// }
|
||||
|
||||
RegisterS3DriverSuite(s3DriverConstructor, skipCheck)
|
||||
|
||||
// testsuites.RegisterIPCSuite(driverName, map[string]string{
|
||||
// "accesskey": accessKey,
|
||||
// "secretkey": secretKey,
|
||||
// "region": region.Name,
|
||||
// "bucket": bucket,
|
||||
// "encrypt": encrypt,
|
||||
// }, skipCheck)
|
||||
// }
|
||||
func TestEmptyRootList(t *testing.T) {
|
||||
if skipS3() != "" {
|
||||
t.Skip(skipS3())
|
||||
}
|
||||
|
||||
func RegisterS3DriverSuite(s3DriverConstructor S3DriverConstructor, skipCheck testsuites.SkipCheck) {
|
||||
check.Suite(&S3DriverSuite{
|
||||
Constructor: s3DriverConstructor,
|
||||
SkipCheck: skipCheck,
|
||||
})
|
||||
}
|
||||
|
||||
type S3DriverSuite struct {
|
||||
Constructor S3DriverConstructor
|
||||
testsuites.SkipCheck
|
||||
}
|
||||
|
||||
func (suite *S3DriverSuite) SetUpSuite(c *check.C) {
|
||||
if reason := suite.SkipCheck(); reason != "" {
|
||||
c.Skip(reason)
|
||||
}
|
||||
}
|
||||
|
||||
func (suite *S3DriverSuite) TestEmptyRootList(c *check.C) {
|
||||
validRoot, err := ioutil.TempDir("", "driver-")
|
||||
c.Assert(err, check.IsNil)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error creating temporary directory: %v", err)
|
||||
}
|
||||
defer os.Remove(validRoot)
|
||||
|
||||
rootedDriver, err := suite.Constructor(validRoot)
|
||||
c.Assert(err, check.IsNil)
|
||||
emptyRootDriver, err := suite.Constructor("")
|
||||
c.Assert(err, check.IsNil)
|
||||
slashRootDriver, err := suite.Constructor("/")
|
||||
c.Assert(err, check.IsNil)
|
||||
rootedDriver, err := s3DriverConstructor(validRoot)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error creating rooted driver: %v", err)
|
||||
}
|
||||
|
||||
emptyRootDriver, err := s3DriverConstructor("")
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error creating empty root driver: %v", err)
|
||||
}
|
||||
|
||||
slashRootDriver, err := s3DriverConstructor("/")
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error creating slash root driver: %v", err)
|
||||
}
|
||||
|
||||
filename := "/test"
|
||||
contents := []byte("contents")
|
||||
ctx := context.Background()
|
||||
err = rootedDriver.PutContent(ctx, filename, contents)
|
||||
c.Assert(err, check.IsNil)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error creating content: %v", err)
|
||||
}
|
||||
defer rootedDriver.Delete(ctx, filename)
|
||||
|
||||
keys, err := emptyRootDriver.List(ctx, "/")
|
||||
for _, path := range keys {
|
||||
c.Assert(storagedriver.PathRegexp.MatchString(path), check.Equals, true)
|
||||
if !storagedriver.PathRegexp.MatchString(path) {
|
||||
t.Fatalf("unexpected string in path: %q != %q", path, storagedriver.PathRegexp)
|
||||
}
|
||||
}
|
||||
|
||||
keys, err = slashRootDriver.List(ctx, "/")
|
||||
for _, path := range keys {
|
||||
c.Assert(storagedriver.PathRegexp.MatchString(path), check.Equals, true)
|
||||
if !storagedriver.PathRegexp.MatchString(path) {
|
||||
t.Fatalf("unexpected string in path: %q != %q", path, storagedriver.PathRegexp)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -22,9 +22,9 @@ import (
|
|||
// Test hooks up gocheck into the "go test" runner.
|
||||
func Test(t *testing.T) { check.TestingT(t) }
|
||||
|
||||
// RegisterInProcessSuite registers an in-process storage driver test suite with
|
||||
// RegisterSuite registers an in-process storage driver test suite with
|
||||
// the go test runner.
|
||||
func RegisterInProcessSuite(driverConstructor DriverConstructor, skipCheck SkipCheck) {
|
||||
func RegisterSuite(driverConstructor DriverConstructor, skipCheck SkipCheck) {
|
||||
check.Suite(&DriverSuite{
|
||||
Constructor: driverConstructor,
|
||||
SkipCheck: skipCheck,
|
||||
|
|
@ -32,39 +32,6 @@ func RegisterInProcessSuite(driverConstructor DriverConstructor, skipCheck SkipC
|
|||
})
|
||||
}
|
||||
|
||||
// RegisterIPCSuite registers a storage driver test suite which runs the named
|
||||
// driver as a child process with the given parameters.
|
||||
func RegisterIPCSuite(driverName string, ipcParams map[string]string, skipCheck SkipCheck) {
|
||||
panic("ipc testing is disabled for now")
|
||||
|
||||
// NOTE(stevvooe): IPC testing is disabled for now. Uncomment the code
|
||||
// block before and remove the panic when we phase it back in.
|
||||
|
||||
// suite := &DriverSuite{
|
||||
// Constructor: func() (storagedriver.StorageDriver, error) {
|
||||
// d, err := ipc.NewDriverClient(driverName, ipcParams)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
// err = d.Start()
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
// return d, nil
|
||||
// },
|
||||
// SkipCheck: skipCheck,
|
||||
// }
|
||||
// suite.Teardown = func() error {
|
||||
// if suite.StorageDriver == nil {
|
||||
// return nil
|
||||
// }
|
||||
|
||||
// driverClient := suite.StorageDriver.(*ipc.StorageDriverClient)
|
||||
// return driverClient.Stop()
|
||||
// }
|
||||
// check.Suite(suite)
|
||||
}
|
||||
|
||||
// SkipCheck is a function used to determine if a test suite should be skipped.
|
||||
// If a SkipCheck returns a non-empty skip reason, the suite is skipped with
|
||||
// the given reason.
|
||||
|
|
@ -82,9 +49,8 @@ type DriverConstructor func() (storagedriver.StorageDriver, error)
|
|||
type DriverTeardown func() error
|
||||
|
||||
// DriverSuite is a gocheck test suite designed to test a
|
||||
// storagedriver.StorageDriver.
|
||||
// The intended way to create a DriverSuite is with RegisterInProcessSuite or
|
||||
// RegisterIPCSuite.
|
||||
// storagedriver.StorageDriver. The intended way to create a DriverSuite is
|
||||
// with RegisterSuite.
|
||||
type DriverSuite struct {
|
||||
Constructor DriverConstructor
|
||||
Teardown DriverTeardown
|
||||
|
|
@ -841,10 +807,6 @@ func (suite *DriverSuite) TestConcurrentStreamReads(c *check.C) {
|
|||
// TestConcurrentFileStreams checks that multiple *os.File objects can be passed
|
||||
// in to WriteStream concurrently without hanging.
|
||||
func (suite *DriverSuite) TestConcurrentFileStreams(c *check.C) {
|
||||
// if _, isIPC := suite.StorageDriver.(*ipc.StorageDriverClient); isIPC {
|
||||
// c.Skip("Need to fix out-of-process concurrency")
|
||||
// }
|
||||
|
||||
numStreams := 32
|
||||
|
||||
if testing.Short() {
|
||||
|
|
|
|||
Loading…
Reference in a new issue