diff options
Diffstat (limited to 'pkg/api/handlers/libpod/containers.go')
| -rw-r--r-- | pkg/api/handlers/libpod/containers.go | 167 |
1 files changed, 163 insertions, 4 deletions
diff --git a/pkg/api/handlers/libpod/containers.go b/pkg/api/handlers/libpod/containers.go index 54acdbd36..a64ed446c 100644 --- a/pkg/api/handlers/libpod/containers.go +++ b/pkg/api/handlers/libpod/containers.go @@ -1,16 +1,20 @@ package libpod import ( - "fmt" "net/http" + "path/filepath" + "sort" "strconv" + "time" "github.com/containers/libpod/cmd/podman/shared" "github.com/containers/libpod/libpod" + "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/pkg/api/handlers" "github.com/containers/libpod/pkg/api/handlers/utils" "github.com/gorilla/schema" "github.com/pkg/errors" + "github.com/sirupsen/logrus" ) func StopContainer(w http.ResponseWriter, r *http.Request) { @@ -46,7 +50,8 @@ func RemoveContainer(w http.ResponseWriter, r *http.Request) { } func ListContainers(w http.ResponseWriter, r *http.Request) { var ( - filters []string + filterFuncs []libpod.ContainerFilter + pss []ListContainer ) decoder := r.Context().Value("decoder").(*schema.Decoder) query := struct { @@ -73,20 +78,55 @@ func ListContainers(w http.ResponseWriter, r *http.Request) { Size: query.Size, Sort: "", Namespace: query.Namespace, + NoTrunc: true, Pod: query.Pod, Sync: query.Sync, } if len(query.Filter) > 0 { for k, v := range query.Filter { for _, val := range v { - filters = append(filters, fmt.Sprintf("%s=%s", k, val)) + generatedFunc, err := shared.GenerateContainerFilterFuncs(k, val, runtime) + if err != nil { + utils.InternalServerError(w, err) + return + } + filterFuncs = append(filterFuncs, generatedFunc) } } } - pss, err := shared.GetPsContainerOutput(runtime, opts, filters, 2) + + if !query.All { + // The default is get only running containers. Do this with a filterfunc + runningOnly, err := shared.GenerateContainerFilterFuncs("status", define.ContainerStateRunning.String(), runtime) + if err != nil { + utils.InternalServerError(w, err) + return + } + filterFuncs = append(filterFuncs, runningOnly) + } + + cons, err := runtime.GetContainers(filterFuncs...) if err != nil { utils.InternalServerError(w, err) } + if query.Last > 0 { + // Sort the containers we got + sort.Sort(psSortCreateTime{cons}) + // we should perform the lopping before we start getting + // the expensive information on containers + if query.Last < len(cons) { + cons = cons[len(cons)-query.Last:] + } + } + for _, con := range cons { + listCon, err := ListContainerBatch(runtime, con, opts) + if err != nil { + utils.InternalServerError(w, err) + return + } + pss = append(pss, listCon) + + } utils.WriteResponse(w, http.StatusOK, pss) } @@ -194,3 +234,122 @@ func ShowMountedContainers(w http.ResponseWriter, r *http.Request) { } utils.WriteResponse(w, http.StatusOK, response) } + +// BatchContainerOp is used in ps to reduce performance hits by "batching" +// locks. +func ListContainerBatch(rt *libpod.Runtime, ctr *libpod.Container, opts shared.PsOptions) (ListContainer, error) { + var ( + conConfig *libpod.ContainerConfig + conState define.ContainerStatus + err error + exitCode int32 + exited bool + pid int + size *shared.ContainerSize + startedTime time.Time + exitedTime time.Time + cgroup, ipc, mnt, net, pidns, user, uts string + ) + + batchErr := ctr.Batch(func(c *libpod.Container) error { + conConfig = c.Config() + conState, err = c.State() + if err != nil { + return errors.Wrapf(err, "unable to obtain container state") + } + + exitCode, exited, err = c.ExitCode() + if err != nil { + return errors.Wrapf(err, "unable to obtain container exit code") + } + startedTime, err = c.StartedTime() + if err != nil { + logrus.Errorf("error getting started time for %q: %v", c.ID(), err) + } + exitedTime, err = c.FinishedTime() + if err != nil { + logrus.Errorf("error getting exited time for %q: %v", c.ID(), err) + } + + if !opts.Size && !opts.Namespace { + return nil + } + + if opts.Namespace { + pid, err = c.PID() + if err != nil { + return errors.Wrapf(err, "unable to obtain container pid") + } + ctrPID := strconv.Itoa(pid) + cgroup, _ = shared.GetNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "cgroup")) + ipc, _ = shared.GetNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "ipc")) + mnt, _ = shared.GetNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "mnt")) + net, _ = shared.GetNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "net")) + pidns, _ = shared.GetNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "pid")) + user, _ = shared.GetNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "user")) + uts, _ = shared.GetNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "uts")) + } + if opts.Size { + size = new(shared.ContainerSize) + + rootFsSize, err := c.RootFsSize() + if err != nil { + logrus.Errorf("error getting root fs size for %q: %v", c.ID(), err) + } + + rwSize, err := c.RWSize() + if err != nil { + logrus.Errorf("error getting rw size for %q: %v", c.ID(), err) + } + + size.RootFsSize = rootFsSize + size.RwSize = rwSize + } + return nil + }) + + if batchErr != nil { + return ListContainer{}, batchErr + } + + ps := ListContainer{ + Command: conConfig.Command, + Created: conConfig.CreatedTime.Unix(), + Exited: exited, + ExitCode: exitCode, + ExitedAt: exitedTime.Unix(), + ID: conConfig.ID, + Image: conConfig.RootfsImageName, + IsInfra: conConfig.IsInfra, + Labels: conConfig.Labels, + Mounts: ctr.UserVolumes(), + Names: []string{conConfig.Name}, + Pid: pid, + Pod: conConfig.Pod, + Ports: conConfig.PortMappings, + Size: size, + StartedAt: startedTime.Unix(), + State: conState.String(), + } + if opts.Pod && len(conConfig.Pod) > 0 { + pod, err := rt.GetPod(conConfig.Pod) + if err != nil { + return ListContainer{}, err + } + ps.PodName = pod.Name() + } + + if opts.Namespace { + ns := ListContainerNamespaces{ + Cgroup: cgroup, + IPC: ipc, + MNT: mnt, + NET: net, + PIDNS: pidns, + User: user, + UTS: uts, + } + ps.Namespaces = ns + } + return ps, nil +} |