diff options
Diffstat (limited to 'pkg/api/handlers')
-rw-r--r-- | pkg/api/handlers/compat/containers.go | 3 | ||||
-rw-r--r-- | pkg/api/handlers/compat/containers_create.go | 2 | ||||
-rw-r--r-- | pkg/api/handlers/compat/containers_logs.go | 21 | ||||
-rw-r--r-- | pkg/api/handlers/compat/containers_stats.go | 43 | ||||
-rw-r--r-- | pkg/api/handlers/libpod/containers_stats.go | 72 | ||||
-rw-r--r-- | pkg/api/handlers/libpod/images_pull.go | 9 | ||||
-rw-r--r-- | pkg/api/handlers/types.go | 2 |
7 files changed, 135 insertions, 17 deletions
diff --git a/pkg/api/handlers/compat/containers.go b/pkg/api/handlers/compat/containers.go index f9e200ff3..3a904ba87 100644 --- a/pkg/api/handlers/compat/containers.go +++ b/pkg/api/handlers/compat/containers.go @@ -103,7 +103,7 @@ func ListContainers(w http.ResponseWriter, r *http.Request) { utils.InternalServerError(w, err) return } - if _, found := r.URL.Query()["limit"]; found && query.Limit != -1 { + if _, found := r.URL.Query()["limit"]; found && query.Limit > 0 { last := query.Limit if len(containers) > last { containers = containers[len(containers)-last:] @@ -193,6 +193,7 @@ func KillContainer(w http.ResponseWriter, r *http.Request) { err = con.Kill(signal) if err != nil { utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "unable to kill Container %s", name)) + return } // Docker waits for the container to stop if the signal is 0 or diff --git a/pkg/api/handlers/compat/containers_create.go b/pkg/api/handlers/compat/containers_create.go index 93e4fe540..1d0b4c45d 100644 --- a/pkg/api/handlers/compat/containers_create.go +++ b/pkg/api/handlers/compat/containers_create.go @@ -210,7 +210,7 @@ func makeCreateConfig(ctx context.Context, containerConfig *config.Config, input ImageID: newImage.ID(), BuiltinImgVolumes: nil, // podman ImageVolumeType: "", // podman - Interactive: false, + Interactive: input.OpenStdin, // IpcMode: input.HostConfig.IpcMode, Labels: input.Labels, LogDriver: input.HostConfig.LogConfig.Type, // is this correct diff --git a/pkg/api/handlers/compat/containers_logs.go b/pkg/api/handlers/compat/containers_logs.go index f6d4a518e..d24b7d959 100644 --- a/pkg/api/handlers/compat/containers_logs.go +++ b/pkg/api/handlers/compat/containers_logs.go @@ -105,6 +105,18 @@ func LogsFromContainer(w http.ResponseWriter, r *http.Request) { var frame strings.Builder header := make([]byte, 8) + + writeHeader := true + // Docker does not write stream headers iff the container has a tty. + if !utils.IsLibpodRequest(r) { + inspectData, err := ctnr.Inspect(false) + if err != nil { + utils.InternalServerError(w, errors.Wrapf(err, "Failed to obtain logs for Container '%s'", name)) + return + } + writeHeader = !inspectData.Config.Tty + } + for line := range logChannel { if _, found := r.URL.Query()["until"]; found { if line.Time.After(until) { @@ -138,10 +150,13 @@ func LogsFromContainer(w http.ResponseWriter, r *http.Request) { } frame.WriteString(line.Msg) - binary.BigEndian.PutUint32(header[4:], uint32(frame.Len())) - if _, err := w.Write(header[0:8]); err != nil { - log.Errorf("unable to write log output header: %q", err) + if writeHeader { + binary.BigEndian.PutUint32(header[4:], uint32(frame.Len())) + if _, err := w.Write(header[0:8]); err != nil { + log.Errorf("unable to write log output header: %q", err) + } } + if _, err := io.WriteString(w, frame.String()); err != nil { log.Errorf("unable to write frame string: %q", err) } diff --git a/pkg/api/handlers/compat/containers_stats.go b/pkg/api/handlers/compat/containers_stats.go index 3d7d49ad3..16bd0518a 100644 --- a/pkg/api/handlers/compat/containers_stats.go +++ b/pkg/api/handlers/compat/containers_stats.go @@ -75,32 +75,48 @@ func StatsContainer(w http.ResponseWriter, r *http.Request) { } } - for ok := true; ok; ok = query.Stream { + // Write header and content type. + w.WriteHeader(http.StatusOK) + w.Header().Add("Content-Type", "application/json") + if flusher, ok := w.(http.Flusher); ok { + flusher.Flush() + } + + // Setup JSON encoder for streaming. + coder := json.NewEncoder(w) + coder.SetEscapeHTML(true) + +streamLabel: // A label to flatten the scope + select { + case <-r.Context().Done(): + logrus.Debugf("Client connection (container stats) cancelled") + + default: // Container stats stats, err := ctnr.GetContainerStats(stats) if err != nil { - utils.InternalServerError(w, err) + logrus.Errorf("Unable to get container stats: %v", err) return } inspect, err := ctnr.Inspect(false) if err != nil { - utils.InternalServerError(w, err) + logrus.Errorf("Unable to inspect container: %v", err) return } // Cgroup stats cgroupPath, err := ctnr.CGroupPath() if err != nil { - utils.InternalServerError(w, err) + logrus.Errorf("Unable to get cgroup path of container: %v", err) return } cgroup, err := cgroups.Load(cgroupPath) if err != nil { - utils.InternalServerError(w, err) + logrus.Errorf("Unable to load cgroup: %v", err) return } cgroupStat, err := cgroup.Stat() if err != nil { - utils.InternalServerError(w, err) + logrus.Errorf("Unable to get cgroup stats: %v", err) return } @@ -175,11 +191,18 @@ func StatsContainer(w http.ResponseWriter, r *http.Request) { Networks: net, } - utils.WriteJSON(w, http.StatusOK, s) + if err := coder.Encode(s); err != nil { + logrus.Errorf("Unable to encode stats: %v", err) + return + } if flusher, ok := w.(http.Flusher); ok { flusher.Flush() } + if !query.Stream { + return + } + preRead = s.Read bits, err := json.Marshal(s.CPUStats) if err != nil { @@ -189,10 +212,8 @@ func StatsContainer(w http.ResponseWriter, r *http.Request) { logrus.Errorf("Unable to unmarshal previous stats: %q", err) } - // Only sleep when we're streaming. - if query.Stream { - time.Sleep(DefaultStatsPeriod) - } + time.Sleep(DefaultStatsPeriod) + goto streamLabel } } diff --git a/pkg/api/handlers/libpod/containers_stats.go b/pkg/api/handlers/libpod/containers_stats.go new file mode 100644 index 000000000..4d5abe118 --- /dev/null +++ b/pkg/api/handlers/libpod/containers_stats.go @@ -0,0 +1,72 @@ +package libpod + +import ( + "encoding/json" + "net/http" + "time" + + "github.com/containers/podman/v2/libpod" + "github.com/containers/podman/v2/pkg/api/handlers/utils" + "github.com/containers/podman/v2/pkg/domain/entities" + "github.com/containers/podman/v2/pkg/domain/infra/abi" + "github.com/gorilla/schema" + "github.com/pkg/errors" + "github.com/sirupsen/logrus" +) + +const DefaultStatsPeriod = 5 * time.Second + +func StatsContainer(w http.ResponseWriter, r *http.Request) { + runtime := r.Context().Value("runtime").(*libpod.Runtime) + decoder := r.Context().Value("decoder").(*schema.Decoder) + + query := struct { + Containers []string `schema:"containers"` + Stream bool `schema:"stream"` + }{ + Stream: true, + } + if err := decoder.Decode(&query, r.URL.Query()); err != nil { + utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String())) + return + } + + // Reduce code duplication and use the local/abi implementation of + // container stats. + containerEngine := abi.ContainerEngine{Libpod: runtime} + + statsOptions := entities.ContainerStatsOptions{ + Stream: query.Stream, + } + + // Stats will stop if the connection is closed. + statsChan, err := containerEngine.ContainerStats(r.Context(), query.Containers, statsOptions) + if err != nil { + utils.InternalServerError(w, err) + return + } + + // Write header and content type. + w.WriteHeader(http.StatusOK) + w.Header().Add("Content-Type", "application/json") + if flusher, ok := w.(http.Flusher); ok { + flusher.Flush() + } + + // Setup JSON encoder for streaming. + coder := json.NewEncoder(w) + coder.SetEscapeHTML(true) + + for stats := range statsChan { + if err := coder.Encode(stats); err != nil { + // Note: even when streaming, the stats goroutine will + // be notified (and stop) as the connection will be + // closed. + logrus.Errorf("Unable to encode stats: %v", err) + return + } + if flusher, ok := w.(http.Flusher); ok { + flusher.Flush() + } + } +} diff --git a/pkg/api/handlers/libpod/images_pull.go b/pkg/api/handlers/libpod/images_pull.go index 8a2f4f4cf..ad8d1f38e 100644 --- a/pkg/api/handlers/libpod/images_pull.go +++ b/pkg/api/handlers/libpod/images_pull.go @@ -178,10 +178,19 @@ loop: // break out of for/select infinite loop flush() case <-runCtx.Done(): if !failed { + // Send all image id's pulled in 'images' stanza report.Images = images if err := enc.Encode(report); err != nil { logrus.Warnf("Failed to json encode error %q", err.Error()) } + + report.Images = nil + // Pull last ID from list and publish in 'id' stanza. This maintains previous API contract + report.ID = images[len(images)-1] + if err := enc.Encode(report); err != nil { + logrus.Warnf("Failed to json encode error %q", err.Error()) + } + flush() } break loop // break out of for/select infinite loop diff --git a/pkg/api/handlers/types.go b/pkg/api/handlers/types.go index 0ccaa95bb..9e503dbb0 100644 --- a/pkg/api/handlers/types.go +++ b/pkg/api/handlers/types.go @@ -33,7 +33,7 @@ type LibpodImagesLoadReport struct { } type LibpodImagesPullReport struct { - ID string `json:"id"` + entities.ImagePullReport } // LibpodImagesRemoveReport is the return type for image removal via the rest |