From 073f76c1327d296360caa04ef7d751dd00ef5a53 Mon Sep 17 00:00:00 2001 From: Daniel J Walsh Date: Wed, 20 Jan 2021 17:13:54 -0500 Subject: Switch podman stop/kill/wait handlers to use abi Change API Handlers to use the same functions that the local podman uses. At the same time: implement remote API for --all and --ignore flags for podman stop implement remote API for --all flags for podman stop Signed-off-by: Daniel J Walsh --- pkg/api/handlers/compat/containers.go | 92 +++++++++++++++------------ pkg/api/handlers/compat/containers_restart.go | 42 ++++++++---- pkg/api/handlers/compat/containers_stop.go | 44 +++++++++---- pkg/api/handlers/libpod/containers.go | 6 ++ pkg/api/handlers/utils/containers.go | 33 ++++++---- pkg/api/server/register_containers.go | 23 ++++++- 6 files changed, 163 insertions(+), 77 deletions(-) (limited to 'pkg/api') diff --git a/pkg/api/handlers/compat/containers.go b/pkg/api/handlers/compat/containers.go index 0f91a4362..a79486466 100644 --- a/pkg/api/handlers/compat/containers.go +++ b/pkg/api/handlers/compat/containers.go @@ -31,11 +31,11 @@ import ( func RemoveContainer(w http.ResponseWriter, r *http.Request) { decoder := r.Context().Value("decoder").(*schema.Decoder) query := struct { - All bool `schema:"all"` - Force bool `schema:"force"` - Ignore bool `schema:"ignore"` - Link bool `schema:"link"` - Volumes bool `schema:"v"` + Force bool `schema:"force"` + Ignore bool `schema:"ignore"` + Link bool `schema:"link"` + DockerVolumes bool `schema:"v"` + LibpodVolumes bool `schema:"volumes"` }{ // override any golang type defaults } @@ -46,10 +46,19 @@ func RemoveContainer(w http.ResponseWriter, r *http.Request) { return } - if query.Link && !utils.IsLibpodRequest(r) { - utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, - utils.ErrLinkNotSupport) - return + options := entities.RmOptions{ + Force: query.Force, + Ignore: query.Ignore, + } + if utils.IsLibpodRequest(r) { + options.Volumes = query.LibpodVolumes + } else { + if query.Link { + utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, + utils.ErrLinkNotSupport) + return + } + options.Volumes = query.DockerVolumes } runtime := r.Context().Value("runtime").(*libpod.Runtime) @@ -57,12 +66,6 @@ func RemoveContainer(w http.ResponseWriter, r *http.Request) { // code. containerEngine := abi.ContainerEngine{Libpod: runtime} name := utils.GetName(r) - options := entities.RmOptions{ - All: query.All, - Force: query.Force, - Volumes: query.Volumes, - Ignore: query.Ignore, - } report, err := containerEngine.ContainerRm(r.Context(), []string{name}, options) if err != nil { if errors.Cause(err) == define.ErrNoSuchCtr { @@ -193,45 +196,48 @@ func KillContainer(w http.ResponseWriter, r *http.Request) { return } - sig, err := signal.ParseSignalNameOrNumber(query.Signal) - if err != nil { - utils.InternalServerError(w, err) - return - } + // Now use the ABI implementation to prevent us from having duplicate + // code. + containerEngine := abi.ContainerEngine{Libpod: runtime} name := utils.GetName(r) - con, err := runtime.LookupContainer(name) - if err != nil { - utils.ContainerNotFound(w, name, err) - return + options := entities.KillOptions{ + Signal: query.Signal, } - - state, err := con.State() + report, err := containerEngine.ContainerKill(r.Context(), []string{name}, options) if err != nil { - utils.InternalServerError(w, err) - return - } + if errors.Cause(err) == define.ErrCtrStateInvalid || + errors.Cause(err) == define.ErrCtrStopped { + utils.Error(w, fmt.Sprintf("Container %s is not running", name), http.StatusConflict, err) + return + } + if errors.Cause(err) == define.ErrNoSuchCtr { + utils.ContainerNotFound(w, name, 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))) + utils.InternalServerError(w, err) return } - signal := uint(sig) - - err = con.Kill(signal) - if err != nil { - utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "unable to kill Container %s", name)) + if len(report) > 0 && report[0].Err != nil { + utils.InternalServerError(w, report[0].Err) return } - // Docker waits for the container to stop if the signal is 0 or // SIGKILL. - if !utils.IsLibpodRequest(r) && (signal == 0 || syscall.Signal(signal) == syscall.SIGKILL) { - 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())) + if !utils.IsLibpodRequest(r) { + sig, err := signal.ParseSignalNameOrNumber(query.Signal) + if err != nil { + utils.InternalServerError(w, err) return } + if sig == 0 || syscall.Signal(sig) == syscall.SIGKILL { + var opts entities.WaitOptions + if _, err := containerEngine.ContainerWait(r.Context(), []string{name}, opts); err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err) + return + } + } } // Success utils.WriteResponse(w, http.StatusNoContent, nil) @@ -242,6 +248,10 @@ func WaitContainer(w http.ResponseWriter, r *http.Request) { // /{version}/containers/(name)/wait exitCode, err := utils.WaitContainer(w, r) if err != nil { + if errors.Cause(err) == define.ErrNoSuchCtr { + logrus.Warnf("container not found %q: %v", utils.GetName(r), err) + return + } logrus.Warnf("failed to wait on container %q: %v", mux.Vars(r)["name"], err) return } diff --git a/pkg/api/handlers/compat/containers_restart.go b/pkg/api/handlers/compat/containers_restart.go index e8928596a..70edfcbb3 100644 --- a/pkg/api/handlers/compat/containers_restart.go +++ b/pkg/api/handlers/compat/containers_restart.go @@ -4,7 +4,10 @@ import ( "net/http" "github.com/containers/podman/v2/libpod" + "github.com/containers/podman/v2/libpod/define" "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" ) @@ -12,34 +15,49 @@ import ( func RestartContainer(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value("runtime").(*libpod.Runtime) decoder := r.Context().Value("decoder").(*schema.Decoder) + // Now use the ABI implementation to prevent us from having duplicate + // code. + containerEngine := abi.ContainerEngine{Libpod: runtime} + // /{version}/containers/(name)/restart query := struct { - Timeout int `schema:"t"` + All bool `schema:"all"` + DockerTimeout uint `schema:"t"` + LibpodTimeout uint `schema:"timeout"` }{ - // Override golang default values for types + // override any golang type defaults } if err := decoder.Decode(&query, r.URL.Query()); err != nil { - utils.BadRequest(w, "url", r.URL.String(), errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String())) + utils.Error(w, http.StatusText(http.StatusBadRequest), 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 - } - timeout := con.StopTimeout() - if _, found := r.URL.Query()["t"]; found { - timeout = uint(query.Timeout) + options := entities.RestartOptions{ + All: query.All, + Timeout: &query.DockerTimeout, + } + if utils.IsLibpodRequest(r) { + options.Timeout = &query.LibpodTimeout } + report, err := containerEngine.ContainerRestart(r.Context(), []string{name}, options) + if err != nil { + if errors.Cause(err) == define.ErrNoSuchCtr { + utils.ContainerNotFound(w, name, err) + return + } - if err := con.RestartWithTimeout(r.Context(), timeout); err != nil { utils.InternalServerError(w, err) return } + if len(report) > 0 && report[0].Err != nil { + utils.InternalServerError(w, report[0].Err) + return + } + // Success utils.WriteResponse(w, http.StatusNoContent, nil) } diff --git a/pkg/api/handlers/compat/containers_stop.go b/pkg/api/handlers/compat/containers_stop.go index 8bc58cf59..000685aa0 100644 --- a/pkg/api/handlers/compat/containers_stop.go +++ b/pkg/api/handlers/compat/containers_stop.go @@ -6,6 +6,8 @@ import ( "github.com/containers/podman/v2/libpod" "github.com/containers/podman/v2/libpod/define" "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" ) @@ -13,10 +15,15 @@ import ( func StopContainer(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value("runtime").(*libpod.Runtime) decoder := r.Context().Value("decoder").(*schema.Decoder) + // Now use the ABI implementation to prevent us from having duplicate + // code. + containerEngine := abi.ContainerEngine{Libpod: runtime} // /{version}/containers/(name)/stop query := struct { - Timeout int `schema:"t"` + Ignore bool `schema:"ignore"` + DockerTimeout uint `schema:"t"` + LibpodTimeout uint `schema:"timeout"` }{ // override any golang type defaults } @@ -27,31 +34,46 @@ func StopContainer(w http.ResponseWriter, r *http.Request) { } name := utils.GetName(r) + + options := entities.StopOptions{ + Ignore: query.Ignore, + } + if utils.IsLibpodRequest(r) { + if query.LibpodTimeout > 0 { + options.Timeout = &query.LibpodTimeout + } + } else { + if query.DockerTimeout > 0 { + options.Timeout = &query.DockerTimeout + } + } 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)) + utils.InternalServerError(w, err) return } - // If the Container is stopped already, send a 304 if state == define.ContainerStateStopped || state == define.ContainerStateExited { utils.WriteResponse(w, http.StatusNotModified, nil) return } + report, err := containerEngine.ContainerStop(r.Context(), []string{name}, options) + if err != nil { + if errors.Cause(err) == define.ErrNoSuchCtr { + utils.ContainerNotFound(w, name, err) + return + } - var stopError error - if query.Timeout > 0 { - stopError = con.StopWithTimeout(uint(query.Timeout)) - } else { - stopError = con.Stop() + utils.InternalServerError(w, err) + return } - if stopError != nil { - utils.InternalServerError(w, errors.Wrapf(stopError, "failed to stop %s", name)) + + if len(report) > 0 && report[0].Err != nil { + utils.InternalServerError(w, report[0].Err) return } diff --git a/pkg/api/handlers/libpod/containers.go b/pkg/api/handlers/libpod/containers.go index a0cb1d49e..f6e348cef 100644 --- a/pkg/api/handlers/libpod/containers.go +++ b/pkg/api/handlers/libpod/containers.go @@ -148,6 +148,12 @@ func GetContainer(w http.ResponseWriter, r *http.Request) { func WaitContainer(w http.ResponseWriter, r *http.Request) { exitCode, err := utils.WaitContainer(w, r) if err != nil { + name := utils.GetName(r) + if errors.Cause(err) == define.ErrNoSuchCtr { + utils.ContainerNotFound(w, name, err) + return + } + logrus.Warnf("failed to wait on container %q: %v", name, err) return } utils.WriteResponse(w, http.StatusOK, strconv.Itoa(int(exitCode))) diff --git a/pkg/api/handlers/utils/containers.go b/pkg/api/handlers/utils/containers.go index 1439a3a75..fac237f87 100644 --- a/pkg/api/handlers/utils/containers.go +++ b/pkg/api/handlers/utils/containers.go @@ -6,6 +6,8 @@ import ( "github.com/containers/podman/v2/libpod" "github.com/containers/podman/v2/libpod/define" + "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" ) @@ -16,10 +18,13 @@ func WaitContainer(w http.ResponseWriter, r *http.Request) (int32, error) { interval time.Duration ) runtime := r.Context().Value("runtime").(*libpod.Runtime) + // Now use the ABI implementation to prevent us from having duplicate + // code. + containerEngine := abi.ContainerEngine{Libpod: runtime} decoder := r.Context().Value("decoder").(*schema.Decoder) query := struct { - Interval string `schema:"interval"` - Condition string `schema:"condition"` + Interval string `schema:"interval"` + Condition define.ContainerStatus `schema:"condition"` }{ // Override golang default values for types } @@ -27,6 +32,10 @@ func WaitContainer(w http.ResponseWriter, r *http.Request) (int32, error) { Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String())) return 0, err } + options := entities.WaitOptions{ + Condition: define.ContainerStateStopped, + } + name := GetName(r) if _, found := r.URL.Query()["interval"]; found { interval, err = time.ParseDuration(query.Interval) if err != nil { @@ -40,19 +49,19 @@ func WaitContainer(w http.ResponseWriter, r *http.Request) (int32, error) { return 0, err } } - condition := define.ContainerStateStopped + options.Interval = interval + if _, found := r.URL.Query()["condition"]; found { - condition, err = define.StringToContainerStatus(query.Condition) - if err != nil { - InternalServerError(w, err) - return 0, err - } + options.Condition = query.Condition } - name := GetName(r) - con, err := runtime.LookupContainer(name) + + report, err := containerEngine.ContainerWait(r.Context(), []string{name}, options) if err != nil { - ContainerNotFound(w, name, err) return 0, err } - return con.WaitForConditionWithInterval(interval, condition) + if len(report) == 0 { + InternalServerError(w, errors.New("No reports returned")) + return 0, err + } + return report[0].ExitCode, report[0].Error } diff --git a/pkg/api/server/register_containers.go b/pkg/api/server/register_containers.go index e30747800..ff1781d1e 100644 --- a/pkg/api/server/register_containers.go +++ b/pkg/api/server/register_containers.go @@ -199,6 +199,11 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error { // required: true // description: the name or ID of the container // - in: query + // name: all + // type: boolean + // default: false + // description: Send kill signal to all containers + // - in: query // name: signal // type: string // default: TERM @@ -486,6 +491,11 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error { // - paused // - running // - stopped + // - in: query + // name: interval + // type: string + // default: "250ms" + // description: Time Interval to wait before polling for completion. // produces: // - application/json // responses: @@ -1219,9 +1229,20 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error { // required: true // description: the name or ID of the container // - in: query - // name: t + // name: all + // type: boolean + // default: false + // description: Stop all containers + // - in: query + // name: timeout // type: integer + // default: 10 // description: number of seconds to wait before killing container + // - in: query + // name: Ignore + // type: boolean + // default: false + // description: do not return error if container is already stopped // produces: // - application/json // responses: -- cgit v1.2.3-54-g00ecf