diff options
-rwxr-xr-x | API.md | 8 | ||||
-rw-r--r-- | cmd/podman/run.go | 1 | ||||
-rw-r--r-- | cmd/podman/varlink/io.podman.varlink | 4 | ||||
-rw-r--r-- | libpod/oci_conmon_linux.go | 6 | ||||
-rw-r--r-- | libpod/runtime.go | 31 | ||||
-rw-r--r-- | libpod/volume_inspect.go | 3 | ||||
-rw-r--r-- | pkg/adapter/containers_remote.go | 9 | ||||
-rw-r--r-- | pkg/adapter/runtime_remote.go | 37 | ||||
-rw-r--r-- | pkg/util/utils.go | 2 | ||||
-rw-r--r-- | pkg/varlinkapi/attach.go | 1 | ||||
-rw-r--r-- | pkg/varlinkapi/virtwriter/virtwriter.go | 24 | ||||
-rw-r--r-- | pkg/varlinkapi/volumes.go | 19 | ||||
-rw-r--r-- | test/e2e/volume_inspect_test.go | 13 |
13 files changed, 128 insertions, 30 deletions
@@ -107,6 +107,8 @@ in the [API.md](https://github.com/containers/libpod/blob/master/API.md) file in [func InspectPod(name: string) string](#InspectPod) +[func InspectVolume(name: string) string](#InspectVolume) + [func KillContainer(name: string, signal: int) string](#KillContainer) [func KillPod(name: string, signal: int) string](#KillPod) @@ -804,6 +806,12 @@ method InspectPod(name: [string](https://godoc.org/builtin#string)) [string](htt InspectPod takes the name or ID of an image and returns a string representation of data associated with the pod. You must serialize the string into JSON to use it further. A [PodNotFound](#PodNotFound) error will be returned if the pod cannot be found. +### <a name="InspectVolume"></a>func InspectVolume +<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;"> + +method InspectVolume(name: [string](https://godoc.org/builtin#string)) [string](https://godoc.org/builtin#string)</div> +InspectVolume inspects a single volume. Returns inspect JSON in the form of a +string. ### <a name="KillContainer"></a>func KillContainer <div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;"> diff --git a/cmd/podman/run.go b/cmd/podman/run.go index 4836c99dc..7aa4cb3c4 100644 --- a/cmd/podman/run.go +++ b/cmd/podman/run.go @@ -45,7 +45,6 @@ func runCmd(c *cliconfig.RunValues) error { span, _ := opentracing.StartSpanFromContext(Ctx, "runCmd") defer span.Finish() } - if err := createInit(&c.PodmanCommand); err != nil { return err } diff --git a/cmd/podman/varlink/io.podman.varlink b/cmd/podman/varlink/io.podman.varlink index 13e8394fb..dca366bc5 100644 --- a/cmd/podman/varlink/io.podman.varlink +++ b/cmd/podman/varlink/io.podman.varlink @@ -1268,6 +1268,10 @@ method VolumeRemove(options: VolumeRemoveOpts) -> (successes: []string, failures # GetVolumes gets slice of the volumes on a remote host method GetVolumes(args: []string, all: bool) -> (volumes: []Volume) +# InspectVolume inspects a single volume. Returns inspect JSON in the form of a +# string. +method InspectVolume(name: string) -> (volume: string) + # VolumesPrune removes unused volumes on the host method VolumesPrune() -> (prunedNames: []string, prunedErrors: []string) diff --git a/libpod/oci_conmon_linux.go b/libpod/oci_conmon_linux.go index 658a2fe4e..448e05bdf 100644 --- a/libpod/oci_conmon_linux.go +++ b/libpod/oci_conmon_linux.go @@ -602,7 +602,7 @@ func (r *ConmonOCIRuntime) ExecContainer(c *Container, sessionID string, options if err != nil { return -1, nil, errors.Wrapf(err, "cannot start container %s", c.ID()) } - if err := r.moveConmonToCgroupAndSignal(c, execCmd, parentStartPipe, sessionID); err != nil { + if err := r.moveConmonToCgroupAndSignal(c, execCmd, parentStartPipe); err != nil { return -1, nil, err } @@ -986,7 +986,7 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co if err != nil { return err } - if err := r.moveConmonToCgroupAndSignal(ctr, cmd, parentStartPipe, ctr.ID()); err != nil { + if err := r.moveConmonToCgroupAndSignal(ctr, cmd, parentStartPipe); err != nil { return err } /* Wait for initial setup and fork, and reap child */ @@ -1213,7 +1213,7 @@ func startCommandGivenSelinux(cmd *exec.Cmd) error { // moveConmonToCgroupAndSignal gets a container's cgroupParent and moves the conmon process to that cgroup // it then signals for conmon to start by sending nonse data down the start fd -func (r *ConmonOCIRuntime) moveConmonToCgroupAndSignal(ctr *Container, cmd *exec.Cmd, startFd *os.File, uuid string) error { +func (r *ConmonOCIRuntime) moveConmonToCgroupAndSignal(ctr *Container, cmd *exec.Cmd, startFd *os.File) error { mustCreateCgroup := true // If cgroup creation is disabled - just signal. if ctr.config.NoCgroups { diff --git a/libpod/runtime.go b/libpod/runtime.go index 107e8e3d0..8f145a809 100644 --- a/libpod/runtime.go +++ b/libpod/runtime.go @@ -509,6 +509,17 @@ func newRuntimeFromConfig(ctx context.Context, userConfigPath string, options .. return nil, err } + // storage.conf + storageConfFile, err := storage.DefaultConfigFile(rootless.IsRootless()) + if err != nil { + return nil, err + } + + createStorageConfFile := false + if _, err := os.Stat(storageConfFile); os.IsNotExist(err) { + createStorageConfFile = true + } + defRunConf, err := defaultRuntimeConfig() if err != nil { return nil, err @@ -683,27 +694,21 @@ func newRuntimeFromConfig(ctx context.Context, userConfigPath string, options .. } if rootless.IsRootless() && configPath == "" { - configPath, err := getRootlessConfigPath() - if err != nil { - return nil, err - } - - // storage.conf - storageConfFile, err := storage.DefaultConfigFile(rootless.IsRootless()) - if err != nil { - return nil, err - } - if _, err := os.Stat(storageConfFile); os.IsNotExist(err) { + if createStorageConfFile { if err := util.WriteStorageConfigFile(&runtime.config.StorageConfig, storageConfFile); err != nil { return nil, errors.Wrapf(err, "cannot write config file %s", storageConfFile) } } + configPath, err := getRootlessConfigPath() + if err != nil { + return nil, err + } if configPath != "" { - if err := os.MkdirAll(filepath.Dir(configPath), 0755); err != nil { + if err := os.MkdirAll(filepath.Dir(configPath), 0711); err != nil { return nil, err } - file, err := os.OpenFile(configPath, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666) + file, err := os.OpenFile(configPath, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600) if err != nil && !os.IsExist(err) { return nil, errors.Wrapf(err, "cannot open file %s", configPath) } diff --git a/libpod/volume_inspect.go b/libpod/volume_inspect.go index 87ed9d340..c333b8961 100644 --- a/libpod/volume_inspect.go +++ b/libpod/volume_inspect.go @@ -62,6 +62,9 @@ func (v *Volume) Inspect() (*InspectVolumeData, error) { } data.Scope = v.Scope() data.Options = make(map[string]string) + for k, v := range v.config.Options { + data.Options[k] = v + } data.UID = v.config.UID data.GID = v.config.GID data.ContainerSpecific = v.config.IsCtrSpecific diff --git a/pkg/adapter/containers_remote.go b/pkg/adapter/containers_remote.go index f7cb28b0c..f4e83a975 100644 --- a/pkg/adapter/containers_remote.go +++ b/pkg/adapter/containers_remote.go @@ -1092,6 +1092,7 @@ func configureVarlinkAttachStdio(reader *bufio.Reader, writer *bufio.Writer, std // These are the special writers that encode input from the client. varlinkStdinWriter := virtwriter.NewVirtWriteCloser(writer, virtwriter.ToStdin) varlinkResizeWriter := virtwriter.NewVirtWriteCloser(writer, virtwriter.TerminalResize) + varlinkHangupWriter := virtwriter.NewVirtWriteCloser(writer, virtwriter.HangUpFromClient) go func() { // Read from the wire and direct to stdout or stderr @@ -1117,7 +1118,6 @@ func configureVarlinkAttachStdio(reader *bufio.Reader, writer *bufio.Writer, std } } }() - if stdin != nil { // Takes stdinput and sends it over the wire after being encoded go func() { @@ -1126,7 +1126,12 @@ func configureVarlinkAttachStdio(reader *bufio.Reader, writer *bufio.Writer, std sendGenericError(ecChan) errChan <- err } - + _, err := varlinkHangupWriter.Write([]byte("EOF")) + if err != nil { + logrus.Errorf("unable to notify server to hangup: %q", err) + } + err = varlinkStdinWriter.Close() + errChan <- err }() } return errChan diff --git a/pkg/adapter/runtime_remote.go b/pkg/adapter/runtime_remote.go index 3b808a2ee..870e86896 100644 --- a/pkg/adapter/runtime_remote.go +++ b/pkg/adapter/runtime_remote.go @@ -659,12 +659,39 @@ func (r *LocalRuntime) Push(ctx context.Context, srcName, destination, manifestM } // InspectVolumes returns a slice of volumes based on an arg list or --all -func (r *LocalRuntime) InspectVolumes(ctx context.Context, c *cliconfig.VolumeInspectValues) ([]*Volume, error) { - reply, err := iopodman.GetVolumes().Call(r.Conn, c.InputArgs, c.All) - if err != nil { - return nil, err +func (r *LocalRuntime) InspectVolumes(ctx context.Context, c *cliconfig.VolumeInspectValues) ([]*libpod.InspectVolumeData, error) { + var ( + inspectData []*libpod.InspectVolumeData + volumes []string + ) + + if c.All { + allVolumes, err := r.Volumes(ctx) + if err != nil { + return nil, err + } + for _, vol := range allVolumes { + volumes = append(volumes, vol.Name()) + } + } else { + for _, arg := range c.InputArgs { + volumes = append(volumes, arg) + } } - return varlinkVolumeToVolume(r, reply), nil + + for _, vol := range volumes { + jsonString, err := iopodman.InspectVolume().Call(r.Conn, vol) + if err != nil { + return nil, err + } + inspectJSON := new(libpod.InspectVolumeData) + if err := json.Unmarshal([]byte(jsonString), inspectJSON); err != nil { + return nil, errors.Wrapf(err, "error unmarshalling inspect JSON for volume %s", vol) + } + inspectData = append(inspectData, inspectJSON) + } + + return inspectData, nil } // Volumes returns a slice of adapter.volumes based on information about libpod diff --git a/pkg/util/utils.go b/pkg/util/utils.go index 0190b106d..d9a84e4e5 100644 --- a/pkg/util/utils.go +++ b/pkg/util/utils.go @@ -318,7 +318,7 @@ func WriteStorageConfigFile(storageOpts *storage.StoreOptions, storageConf strin if err := os.MkdirAll(filepath.Dir(storageConf), 0755); err != nil { return err } - storageFile, err := os.OpenFile(storageConf, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666) + storageFile, err := os.OpenFile(storageConf, os.O_RDWR|os.O_TRUNC, 0600) if err != nil { return errors.Wrapf(err, "cannot open %s", storageConf) } diff --git a/pkg/varlinkapi/attach.go b/pkg/varlinkapi/attach.go index f8557ae0c..37adbbf55 100644 --- a/pkg/varlinkapi/attach.go +++ b/pkg/varlinkapi/attach.go @@ -70,7 +70,6 @@ func (i *LibpodAPI) Attach(call iopodman.VarlinkCall, name string, detachKeys st } reader, writer, _, pw, streams := setupStreams(call) - go func() { if err := virtwriter.Reader(reader, nil, nil, pw, resize, nil); err != nil { errChan <- err diff --git a/pkg/varlinkapi/virtwriter/virtwriter.go b/pkg/varlinkapi/virtwriter/virtwriter.go index 27ecd1f52..dd171943f 100644 --- a/pkg/varlinkapi/virtwriter/virtwriter.go +++ b/pkg/varlinkapi/virtwriter/virtwriter.go @@ -5,6 +5,7 @@ import ( "encoding/binary" "encoding/json" "io" + "time" "github.com/pkg/errors" "k8s.io/client-go/tools/remotecommand" @@ -26,8 +27,14 @@ const ( TerminalResize SocketDest = iota // Quit and detach Quit SocketDest = iota + // Quit from the client + HangUpFromClient SocketDest = iota ) +// ClientHangup signifies that the client wants to drop its +// connection from the server +var ClientHangup = errors.New("client hangup") + // IntToSocketDest returns a socketdest based on integer input func IntToSocketDest(i int) SocketDest { switch i { @@ -41,6 +48,8 @@ func IntToSocketDest(i int) SocketDest { return TerminalResize case Quit.Int(): return Quit + case HangUpFromClient.Int(): + return HangUpFromClient default: return ToStderr } @@ -65,7 +74,7 @@ func NewVirtWriteCloser(w *bufio.Writer, dest SocketDest) VirtWriteCloser { // Close is a required method for a writecloser func (v VirtWriteCloser) Close() error { - return nil + return v.writer.Flush() } // Write prepends a header to the input message. The header is @@ -96,7 +105,6 @@ func Reader(r *bufio.Reader, output, errput, input io.Writer, resize chan remote if r == nil { return errors.Errorf("Reader must not be nil") } - for { n, err := io.ReadFull(r, headerBytes) if err != nil { @@ -107,7 +115,6 @@ func Reader(r *bufio.Reader, output, errput, input io.Writer, resize chan remote } messageSize = int64(binary.BigEndian.Uint32(headerBytes[4:8])) - switch IntToSocketDest(int(headerBytes[0])) { case ToStdout: if output != nil { @@ -161,7 +168,16 @@ func Reader(r *bufio.Reader, output, errput, input io.Writer, resize chan remote execEcChan <- int(ecInt) } return nil - + case HangUpFromClient: + // This sleep allows the pipes to flush themselves before tearing everything down. + // It makes me sick to do it but after a full day I cannot put my finger on the race + // that occurs when closing things up. It would require a significant rewrite of code + // to make the pipes close down properly. Given that we are currently discussing a + // rewrite of all things remote, this hardly seems worth resolving. + // + // reproducer: echo hello | (podman-remote run -i alpine cat) + time.Sleep(1 * time.Second) + return ClientHangup default: // Something really went wrong return errors.New("unknown multiplex destination") diff --git a/pkg/varlinkapi/volumes.go b/pkg/varlinkapi/volumes.go index b41eb5086..0ba76902e 100644 --- a/pkg/varlinkapi/volumes.go +++ b/pkg/varlinkapi/volumes.go @@ -3,6 +3,8 @@ package varlinkapi import ( + "encoding/json" + "github.com/containers/libpod/cmd/podman/shared" "github.com/containers/libpod/cmd/podman/varlink" "github.com/containers/libpod/libpod" @@ -80,6 +82,23 @@ func (i *LibpodAPI) GetVolumes(call iopodman.VarlinkCall, args []string, all boo return call.ReplyGetVolumes(volumes) } +// InspectVolume inspects a single volume, returning its JSON as a string. +func (i *LibpodAPI) InspectVolume(call iopodman.VarlinkCall, name string) error { + vol, err := i.Runtime.LookupVolume(name) + if err != nil { + return call.ReplyErrorOccurred(err.Error()) + } + inspectOut, err := vol.Inspect() + if err != nil { + return call.ReplyErrorOccurred(err.Error()) + } + inspectJSON, err := json.Marshal(inspectOut) + if err != nil { + return call.ReplyErrorOccurred(err.Error()) + } + return call.ReplyInspectVolume(string(inspectJSON)) +} + // VolumesPrune removes unused images via a varlink call func (i *LibpodAPI) VolumesPrune(call iopodman.VarlinkCall) error { var errs []string diff --git a/test/e2e/volume_inspect_test.go b/test/e2e/volume_inspect_test.go index 0683c6bbf..5015e0535 100644 --- a/test/e2e/volume_inspect_test.go +++ b/test/e2e/volume_inspect_test.go @@ -2,6 +2,7 @@ package integration import ( "os" + "strings" . "github.com/containers/libpod/test/utils" . "github.com/onsi/ginkgo" @@ -74,4 +75,16 @@ var _ = Describe("Podman volume inspect", func() { Expect(session.OutputToStringArray()[0]).To(Equal(volName1)) Expect(session.OutputToStringArray()[1]).To(Equal(volName2)) }) + + It("inspect volume finds options", func() { + volName := "testvol" + session := podmanTest.Podman([]string{"volume", "create", "--opt", "type=tmpfs", volName}) + session.WaitWithDefaultTimeout() + Expect(session.ExitCode()).To(Equal(0)) + + inspect := podmanTest.Podman([]string{"volume", "inspect", volName}) + inspect.WaitWithDefaultTimeout() + Expect(inspect.ExitCode()).To(Equal(0)) + Expect(strings.Contains(inspect.OutputToString(), "tmpfs")).To(BeTrue()) + }) }) |