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Diffstat (limited to 'pkg/api/handlers/compat/containers.go')
-rw-r--r--pkg/api/handlers/compat/containers.go344
1 files changed, 344 insertions, 0 deletions
diff --git a/pkg/api/handlers/compat/containers.go b/pkg/api/handlers/compat/containers.go
new file mode 100644
index 000000000..1298e7fa4
--- /dev/null
+++ b/pkg/api/handlers/compat/containers.go
@@ -0,0 +1,344 @@
+package compat
+
+import (
+ "encoding/binary"
+ "fmt"
+ "net/http"
+ "strconv"
+ "strings"
+ "sync"
+ "syscall"
+ "time"
+
+ "github.com/containers/libpod/libpod"
+ "github.com/containers/libpod/libpod/define"
+ "github.com/containers/libpod/libpod/logs"
+ "github.com/containers/libpod/pkg/api/handlers"
+ "github.com/containers/libpod/pkg/api/handlers/utils"
+ "github.com/containers/libpod/pkg/util"
+ "github.com/gorilla/schema"
+ "github.com/pkg/errors"
+ log "github.com/sirupsen/logrus"
+)
+
+func RemoveContainer(w http.ResponseWriter, r *http.Request) {
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+ query := struct {
+ Force bool `schema:"force"`
+ Vols bool `schema:"v"`
+ Link bool `schema:"link"`
+ }{
+ // override any golang type defaults
+ }
+
+ if err := decoder.Decode(&query, r.URL.Query()); err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String()))
+ return
+ }
+
+ if query.Link && !utils.IsLibpodRequest(r) {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ utils.ErrLinkNotSupport)
+ return
+ }
+
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ name := utils.GetName(r)
+ con, err := runtime.LookupContainer(name)
+ if err != nil {
+ utils.ContainerNotFound(w, name, err)
+ return
+ }
+
+ if err := runtime.RemoveContainer(r.Context(), con, query.Force, query.Vols); err != nil {
+ utils.InternalServerError(w, err)
+ return
+ }
+ utils.WriteResponse(w, http.StatusNoContent, "")
+}
+
+func ListContainers(w http.ResponseWriter, r *http.Request) {
+ var (
+ containers []*libpod.Container
+ err error
+ )
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+ query := struct {
+ All bool `schema:"all"`
+ Limit int `schema:"limit"`
+ Size bool `schema:"size"`
+ Filters map[string][]string `schema:"filters"`
+ }{
+ // override any golang type defaults
+ }
+
+ 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
+ }
+ if query.All {
+ containers, err = runtime.GetAllContainers()
+ } else {
+ containers, err = runtime.GetRunningContainers()
+ }
+ if err != nil {
+ utils.InternalServerError(w, err)
+ return
+ }
+ if _, found := r.URL.Query()["limit"]; found {
+ last := query.Limit
+ if len(containers) > last {
+ containers = containers[len(containers)-last:]
+ }
+ }
+ // TODO filters still need to be applied
+ infoData, err := runtime.Info()
+ if err != nil {
+ utils.InternalServerError(w, errors.Wrapf(err, "Failed to obtain system info"))
+ return
+ }
+
+ var list = make([]*handlers.Container, len(containers))
+ for i, ctnr := range containers {
+ api, err := handlers.LibpodToContainer(ctnr, infoData, query.Size)
+ if err != nil {
+ utils.InternalServerError(w, err)
+ return
+ }
+ list[i] = api
+ }
+ utils.WriteResponse(w, http.StatusOK, list)
+}
+
+func GetContainer(w http.ResponseWriter, r *http.Request) {
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+ query := struct {
+ Size bool `schema:"size"`
+ }{
+ // override any golang type defaults
+ }
+
+ 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
+ }
+
+ name := utils.GetName(r)
+ ctnr, err := runtime.LookupContainer(name)
+ if err != nil {
+ utils.ContainerNotFound(w, name, err)
+ return
+ }
+ api, err := handlers.LibpodToContainerJSON(ctnr, query.Size)
+ if err != nil {
+ utils.InternalServerError(w, err)
+ return
+ }
+ utils.WriteResponse(w, http.StatusOK, api)
+}
+
+func KillContainer(w http.ResponseWriter, r *http.Request) {
+ // /{version}/containers/(name)/kill
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+ query := struct {
+ Signal syscall.Signal `schema:"signal"`
+ }{
+ Signal: syscall.SIGKILL,
+ }
+ 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
+ }
+ name := utils.GetName(r)
+ con, err := runtime.LookupContainer(name)
+ if err != nil {
+ utils.ContainerNotFound(w, name, err)
+ return
+ }
+
+ state, err := con.State()
+ if err != nil {
+ utils.InternalServerError(w, err)
+ return
+ }
+
+ // If the Container is stopped already, send a 409
+ if state == define.ContainerStateStopped || state == define.ContainerStateExited {
+ utils.Error(w, fmt.Sprintf("Container %s is not running", name), http.StatusConflict, errors.New(fmt.Sprintf("Cannot kill Container %s, it is not running", name)))
+ return
+ }
+
+ err = con.Kill(uint(query.Signal))
+ if err != nil {
+ utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "unable to kill Container %s", name))
+ }
+
+ if utils.IsLibpodRequest(r) {
+ // the kill behavior for docker differs from podman in that they appear to wait
+ // for the Container to croak so the exit code is accurate immediately after the
+ // kill is sent. libpod does not. but we can add a wait here only for the docker
+ // side of things and mimic that behavior
+ if _, err = con.Wait(); err != nil {
+ utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "failed to wait for Container %s", con.ID()))
+ return
+ }
+ }
+ // Success
+ utils.WriteResponse(w, http.StatusNoContent, "")
+}
+
+func WaitContainer(w http.ResponseWriter, r *http.Request) {
+ var msg string
+ // /{version}/containers/(name)/wait
+ exitCode, err := utils.WaitContainer(w, r)
+ if err != nil {
+ return
+ }
+ utils.WriteResponse(w, http.StatusOK, handlers.ContainerWaitOKBody{
+ StatusCode: int(exitCode),
+ Error: struct {
+ Message string
+ }{
+ Message: msg,
+ },
+ })
+}
+
+func LogsFromContainer(w http.ResponseWriter, r *http.Request) {
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+
+ query := struct {
+ Follow bool `schema:"follow"`
+ Stdout bool `schema:"stdout"`
+ Stderr bool `schema:"stderr"`
+ Since string `schema:"since"`
+ Until string `schema:"until"`
+ Timestamps bool `schema:"timestamps"`
+ Tail string `schema:"tail"`
+ }{
+ Tail: "all",
+ }
+ 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
+ }
+
+ if !(query.Stdout || query.Stderr) {
+ msg := fmt.Sprintf("%s: you must choose at least one stream", http.StatusText(http.StatusBadRequest))
+ utils.Error(w, msg, http.StatusBadRequest, errors.Errorf("%s for %s", msg, r.URL.String()))
+ return
+ }
+
+ name := utils.GetName(r)
+ ctnr, err := runtime.LookupContainer(name)
+ if err != nil {
+ utils.ContainerNotFound(w, name, err)
+ return
+ }
+
+ var tail int64 = -1
+ if query.Tail != "all" {
+ tail, err = strconv.ParseInt(query.Tail, 0, 64)
+ if err != nil {
+ utils.BadRequest(w, "tail", query.Tail, err)
+ return
+ }
+ }
+
+ var since time.Time
+ if _, found := r.URL.Query()["since"]; found {
+ since, err = util.ParseInputTime(query.Since)
+ if err != nil {
+ utils.BadRequest(w, "since", query.Since, err)
+ return
+ }
+ }
+
+ var until time.Time
+ if _, found := r.URL.Query()["until"]; found {
+ since, err = util.ParseInputTime(query.Until)
+ if err != nil {
+ utils.BadRequest(w, "until", query.Until, err)
+ return
+ }
+ }
+
+ options := &logs.LogOptions{
+ Details: true,
+ Follow: query.Follow,
+ Since: since,
+ Tail: tail,
+ Timestamps: query.Timestamps,
+ }
+
+ var wg sync.WaitGroup
+ options.WaitGroup = &wg
+
+ logChannel := make(chan *logs.LogLine, tail+1)
+ if err := runtime.Log([]*libpod.Container{ctnr}, options, logChannel); err != nil {
+ utils.InternalServerError(w, errors.Wrapf(err, "Failed to obtain logs for Container '%s'", name))
+ return
+ }
+ go func() {
+ wg.Wait()
+ close(logChannel)
+ }()
+
+ w.WriteHeader(http.StatusOK)
+ var builder strings.Builder
+ for ok := true; ok; ok = query.Follow {
+ for line := range logChannel {
+ if _, found := r.URL.Query()["until"]; found {
+ if line.Time.After(until) {
+ break
+ }
+ }
+
+ // Reset variables we're ready to loop again
+ builder.Reset()
+ header := [8]byte{}
+
+ switch line.Device {
+ case "stdout":
+ if !query.Stdout {
+ continue
+ }
+ header[0] = 1
+ case "stderr":
+ if !query.Stderr {
+ continue
+ }
+ header[0] = 2
+ default:
+ // Logging and moving on is the best we can do here. We may have already sent
+ // a Status and Content-Type to client therefore we can no longer report an error.
+ log.Infof("unknown Device type '%s' in log file from Container %s", line.Device, ctnr.ID())
+ continue
+ }
+
+ if query.Timestamps {
+ builder.WriteString(line.Time.Format(time.RFC3339))
+ builder.WriteRune(' ')
+ }
+ builder.WriteString(line.Msg)
+
+ // Build header and output entry
+ binary.BigEndian.PutUint32(header[4:], uint32(len(header)+builder.Len()))
+ if _, err := w.Write(header[:]); err != nil {
+ log.Errorf("unable to write log output header: %q", err)
+ }
+ if _, err := fmt.Fprint(w, builder.String()); err != nil {
+ log.Errorf("unable to write builder string: %q", err)
+ }
+
+ if flusher, ok := w.(http.Flusher); ok {
+ flusher.Flush()
+ }
+ }
+ }
+}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-10-02 08:33:44 +0000