diff options
Diffstat (limited to 'pkg/api/handlers/containers.go')
-rw-r--r-- | pkg/api/handlers/containers.go | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/pkg/api/handlers/containers.go b/pkg/api/handlers/containers.go new file mode 100644 index 000000000..6b09321a0 --- /dev/null +++ b/pkg/api/handlers/containers.go @@ -0,0 +1,194 @@ +package handlers + +import ( + "fmt" + "net/http" + + "github.com/containers/libpod/libpod" + "github.com/containers/libpod/libpod/define" + "github.com/containers/libpod/pkg/api/handlers/utils" + "github.com/gorilla/mux" + "github.com/gorilla/schema" + "github.com/pkg/errors" +) + +func StopContainer(w http.ResponseWriter, r *http.Request) { + runtime := r.Context().Value("runtime").(*libpod.Runtime) + decoder := r.Context().Value("decoder").(*schema.Decoder) + + // /{version}/containers/(name)/stop + query := struct { + Timeout int `schema:"t"` + }{ + // 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 + } + + name := 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, errors.Wrapf(err, "unable to get state for Container %s", name)) + return + } + // If the Container is stopped already, send a 302 + if state == define.ContainerStateStopped || state == define.ContainerStateExited { + utils.Error(w, http.StatusText(http.StatusNotModified), http.StatusNotModified, + errors.Errorf("Container %s is already stopped ", name)) + return + } + + var stopError error + if query.Timeout > 0 { + stopError = con.StopWithTimeout(uint(query.Timeout)) + } else { + stopError = con.Stop() + } + if stopError != nil { + utils.InternalServerError(w, errors.Wrapf(stopError, "failed to stop %s", name)) + return + } + + // Success + utils.WriteResponse(w, http.StatusNoContent, "") +} + +func UnpauseContainer(w http.ResponseWriter, r *http.Request) { + runtime := r.Context().Value("runtime").(*libpod.Runtime) + + // /{version}/containers/(name)/unpause + name := getName(r) + con, err := runtime.LookupContainer(name) + if err != nil { + utils.ContainerNotFound(w, name, err) + return + } + + // the api does not error if the Container is already paused, so just into it + if err := con.Unpause(); err != nil { + utils.InternalServerError(w, err) + return + } + + // Success + utils.WriteResponse(w, http.StatusNoContent, "") +} + +func PauseContainer(w http.ResponseWriter, r *http.Request) { + runtime := r.Context().Value("runtime").(*libpod.Runtime) + + // /{version}/containers/(name)/pause + name := getName(r) + con, err := runtime.LookupContainer(name) + if err != nil { + utils.ContainerNotFound(w, name, err) + return + } + + // the api does not error if the Container is already paused, so just into it + if err := con.Pause(); err != nil { + utils.InternalServerError(w, err) + return + } + // Success + utils.WriteResponse(w, http.StatusNoContent, "") +} + +func StartContainer(w http.ResponseWriter, r *http.Request) { + decoder := r.Context().Value("decoder").(*schema.Decoder) + query := struct { + DetachKeys string `schema:"detachKeys"` + }{ + // Override golang default values for types + } + 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 len(query.DetachKeys) > 0 { + // TODO - start does not support adding detach keys + utils.Error(w, "Something went wrong", http.StatusBadRequest, errors.New("the detachKeys parameter is not supported yet")) + return + } + runtime := r.Context().Value("runtime").(*libpod.Runtime) + name := 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 state == define.ContainerStateRunning { + msg := fmt.Sprintf("Container %s is already running", name) + utils.Error(w, msg, http.StatusNotModified, errors.New(msg)) + return + } + if err := con.Start(r.Context(), false); err != nil { + utils.InternalServerError(w, err) + return + } + utils.WriteResponse(w, http.StatusNoContent, "") +} + +func RestartContainer(w http.ResponseWriter, r *http.Request) { + runtime := r.Context().Value("runtime").(*libpod.Runtime) + decoder := r.Context().Value("decoder").(*schema.Decoder) + // /{version}/containers/(name)/restart + query := struct { + Timeout int `schema:"t"` + }{ + // Override golang default values for types + } + 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 := 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 + } + + // FIXME: This is not in the swagger.yml... + // If the Container is stopped already, send a 409 + if state == define.ContainerStateStopped || state == define.ContainerStateExited { + msg := fmt.Sprintf("Container %s is not running", name) + utils.Error(w, msg, http.StatusConflict, errors.New(msg)) + return + } + + timeout := con.StopTimeout() + if _, found := mux.Vars(r)["t"]; found { + timeout = uint(query.Timeout) + } + + if err := con.RestartWithTimeout(r.Context(), timeout); err != nil { + utils.InternalServerError(w, err) + return + } + + // Success + utils.WriteResponse(w, http.StatusNoContent, "") +} |