summaryrefslogtreecommitdiff
path: root/pkg/api/handlers/compat/exec.go
diff options
context:
space:
mode:
authorMatthew Heon <mheon@redhat.com>2020-04-15 16:10:33 -0400
committerMatthew Heon <matthew.heon@pm.me>2020-05-14 16:56:01 -0400
commitce56b688712dad1095ab0c520fab5c0b7cedc68b (patch)
treea54de1cb96db53ea34d66184e4f9065beb860520 /pkg/api/handlers/compat/exec.go
parent50cc56bc4a37b4f83988608ec864ece3b67386d8 (diff)
downloadpodman-ce56b688712dad1095ab0c520fab5c0b7cedc68b.tar.gz
podman-ce56b688712dad1095ab0c520fab5c0b7cedc68b.tar.bz2
podman-ce56b688712dad1095ab0c520fab5c0b7cedc68b.zip
Wire in endpoint for ExecStart
This is still very early not not well tested, and missing resize capability, but it does provide the first bits of exec. Signed-off-by: Matthew Heon <mheon@redhat.com>
Diffstat (limited to 'pkg/api/handlers/compat/exec.go')
-rw-r--r--pkg/api/handlers/compat/exec.go74
1 files changed, 74 insertions, 0 deletions
diff --git a/pkg/api/handlers/compat/exec.go b/pkg/api/handlers/compat/exec.go
index ec1a8ac96..897f4e6bd 100644
--- a/pkg/api/handlers/compat/exec.go
+++ b/pkg/api/handlers/compat/exec.go
@@ -11,6 +11,7 @@ import (
"github.com/containers/libpod/pkg/api/handlers"
"github.com/containers/libpod/pkg/api/handlers/utils"
"github.com/gorilla/mux"
+ "github.com/gorilla/schema"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
@@ -105,3 +106,76 @@ func ExecInspectHandler(w http.ResponseWriter, r *http.Request) {
utils.WriteResponse(w, http.StatusOK, inspectOut)
}
+
+// ExecStartHandler runs a given exec session.
+func ExecStartHandler(w http.ResponseWriter, r *http.Request) {
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+
+ sessionID := mux.Vars(r)["id"]
+
+ // TODO: Need to support these
+ query := struct {
+ Detach bool `schema:"Detach"`
+ Tty bool `schema:"Tty"`
+ }{
+ // 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 _, found := r.URL.Query()["Detach"]; found {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Errorf("Detached exec is not yet supported"))
+ return
+ }
+ if _, found := r.URL.Query()["Tty"]; found {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Errorf("overriding terminal setting in ExecStart is not yet supported"))
+ return
+ }
+
+ sessionCtr, err := runtime.GetExecSessionContainer(sessionID)
+ if err != nil {
+ utils.Error(w, fmt.Sprintf("No such exec session: %s", sessionID), http.StatusNotFound, err)
+ return
+ }
+
+ logrus.Debugf("Starting exec session %s of container %s", sessionID, sessionCtr.ID())
+
+ state, err := sessionCtr.State()
+ if err != nil {
+ utils.InternalServerError(w, err)
+ return
+ }
+ if state != define.ContainerStateRunning {
+ utils.Error(w, http.StatusText(http.StatusConflict), http.StatusConflict, errors.Errorf("cannot exec in a container that is not running; container %s is %s", sessionCtr.ID(), state.String()))
+ return
+ }
+
+ // Hijack the connection
+ hijacker, ok := w.(http.Hijacker)
+ if !ok {
+ utils.InternalServerError(w, errors.Errorf("unable to hijack connection"))
+ return
+ }
+
+ connection, buffer, err := hijacker.Hijack()
+ if err != nil {
+ utils.InternalServerError(w, errors.Wrapf(err, "error hijacking connection"))
+ return
+ }
+
+ fmt.Fprintf(connection, AttachHeader)
+
+ logrus.Debugf("Hijack for attach of container %s exec session %s successful", sessionCtr.ID(), sessionID)
+
+ if err := sessionCtr.ExecHTTPStartAndAttach(sessionID, connection, buffer, nil, nil, nil); err != nil {
+ logrus.Errorf("Error attaching to container %s exec session %s: %v", sessionCtr.ID(), sessionID, err)
+ }
+
+ logrus.Debugf("Attach for container %s exec session %s completed successfully", sessionCtr.ID(), sessionID)
+}