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-rw-r--r--pkg/api/handlers/compat/containers.go10
-rw-r--r--pkg/api/handlers/compat/containers_attach.go82
-rw-r--r--pkg/api/handlers/compat/containers_create.go13
-rw-r--r--pkg/api/handlers/compat/exec.go24
4 files changed, 49 insertions, 80 deletions
diff --git a/pkg/api/handlers/compat/containers.go b/pkg/api/handlers/compat/containers.go
index 6943b15ff..1ae6a990b 100644
--- a/pkg/api/handlers/compat/containers.go
+++ b/pkg/api/handlers/compat/containers.go
@@ -319,6 +319,14 @@ func LibpodToContainerJSON(l *libpod.Container, sz bool) (*types.ContainerJSON,
SizeRootFs: &inspect.SizeRootFs,
}
+ // set Path and Args
+ processArgs := l.Config().Spec.Process.Args
+ if len(processArgs) > 0 {
+ cb.Path = processArgs[0]
+ }
+ if len(processArgs) > 1 {
+ cb.Args = processArgs[1:]
+ }
stopTimeout := int(l.StopTimeout())
exposedPorts := make(nat.PortSet)
@@ -346,7 +354,7 @@ func LibpodToContainerJSON(l *libpod.Container, sz bool) (*types.ContainerJSON,
OpenStdin: inspect.Config.OpenStdin,
StdinOnce: inspect.Config.StdinOnce,
Env: inspect.Config.Env,
- Cmd: inspect.Config.Cmd,
+ Cmd: l.Command(),
Healthcheck: nil,
ArgsEscaped: false,
Image: imageName,
diff --git a/pkg/api/handlers/compat/containers_attach.go b/pkg/api/handlers/compat/containers_attach.go
index 2d63ac56d..e20d48d86 100644
--- a/pkg/api/handlers/compat/containers_attach.go
+++ b/pkg/api/handlers/compat/containers_attach.go
@@ -1,12 +1,7 @@
package compat
import (
- "bufio"
- "fmt"
- "io"
- "net"
"net/http"
- "strings"
"github.com/containers/podman/v2/libpod"
"github.com/containers/podman/v2/libpod/define"
@@ -97,75 +92,30 @@ func AttachContainer(w http.ResponseWriter, r *http.Request) {
return
}
- connection, buffer, err := AttachConnection(w, r)
- if err != nil {
- utils.InternalServerError(w, err)
- return
- }
- logrus.Debugf("Hijack for attach of container %s successful", ctr.ID())
+ idleTracker := r.Context().Value("idletracker").(*idletracker.IdleTracker)
+ hijackChan := make(chan bool, 1)
// Perform HTTP attach.
// HTTPAttach will handle everything about the connection from here on
// (including closing it and writing errors to it).
- if err := ctr.HTTPAttach(connection, buffer, streams, detachKeys, nil, query.Stream, query.Logs); err != nil {
+ if err := ctr.HTTPAttach(r, w, streams, detachKeys, nil, query.Stream, query.Logs, hijackChan); err != nil {
+ hijackComplete := <-hijackChan
+
// We can't really do anything about errors anymore. HTTPAttach
// should be writing them to the connection.
logrus.Errorf("Error attaching to container %s: %v", ctr.ID(), err)
- }
- logrus.Debugf("Attach for container %s completed successfully", ctr.ID())
-}
-
-type HijackedConnection struct {
- net.Conn // Connection
- idleTracker *idletracker.IdleTracker // Connection tracker
-}
-
-func (c HijackedConnection) Close() error {
- logrus.Debugf("Hijacked connection closed")
-
- c.idleTracker.TrackHijackedClosed()
- return c.Conn.Close()
-}
-
-func AttachConnection(w http.ResponseWriter, r *http.Request) (net.Conn, *bufio.ReadWriter, error) {
- idleTracker := r.Context().Value("idletracker").(*idletracker.IdleTracker)
-
- // Hijack the connection
- hijacker, ok := w.(http.Hijacker)
- if !ok {
- return nil, nil, errors.Errorf("unable to hijack connection")
- }
-
- connection, buffer, err := hijacker.Hijack()
- if err != nil {
- return nil, nil, errors.Wrapf(err, "error hijacking connection")
- }
- trackedConnection := HijackedConnection{
- Conn: connection,
- idleTracker: idleTracker,
+ if hijackComplete {
+ // We do need to tell the idle tracker that the
+ // connection has been closed, though. We can guarantee
+ // that is true after HTTPAttach exits.
+ idleTracker.TrackHijackedClosed()
+ } else {
+ // A hijack was not successfully completed. We need to
+ // report the error normally.
+ utils.InternalServerError(w, err)
+ }
}
- WriteAttachHeaders(r, trackedConnection)
-
- return trackedConnection, buffer, nil
-}
-
-func WriteAttachHeaders(r *http.Request, connection io.Writer) {
- // AttachHeader is the literal header sent for upgraded/hijacked connections for
- // attach, sourced from Docker at:
- // https://raw.githubusercontent.com/moby/moby/b95fad8e51bd064be4f4e58a996924f343846c85/api/server/router/container/container_routes.go
- // Using literally to ensure compatibility with existing clients.
- c := r.Header.Get("Connection")
- proto := r.Header.Get("Upgrade")
- if len(proto) == 0 || !strings.EqualFold(c, "Upgrade") {
- // OK - can't upgrade if not requested or protocol is not specified
- fmt.Fprintf(connection,
- "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
- } else {
- // Upraded
- fmt.Fprintf(connection,
- "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: %s\r\n\r\n",
- proto)
- }
+ logrus.Debugf("Attach for container %s completed successfully", ctr.ID())
}
diff --git a/pkg/api/handlers/compat/containers_create.go b/pkg/api/handlers/compat/containers_create.go
index 8238d2d93..93e4fe540 100644
--- a/pkg/api/handlers/compat/containers_create.go
+++ b/pkg/api/handlers/compat/containers_create.go
@@ -87,20 +87,21 @@ func makeCreateConfig(ctx context.Context, containerConfig *config.Config, input
workDir = input.WorkingDir
}
- if input.Entrypoint == nil {
- entrypointSlice, err := newImage.Entrypoint(ctx)
+ // Only use image's Cmd when the user does not set the entrypoint
+ if input.Entrypoint == nil && len(input.Cmd) == 0 {
+ cmdSlice, err := newImage.Cmd(ctx)
if err != nil {
return createconfig.CreateConfig{}, err
}
- input.Entrypoint = entrypointSlice
+ input.Cmd = cmdSlice
}
- if len(input.Cmd) == 0 {
- cmdSlice, err := newImage.Cmd(ctx)
+ if input.Entrypoint == nil {
+ entrypointSlice, err := newImage.Entrypoint(ctx)
if err != nil {
return createconfig.CreateConfig{}, err
}
- input.Cmd = cmdSlice
+ input.Entrypoint = entrypointSlice
}
stopTimeout := containerConfig.Engine.StopTimeout
diff --git a/pkg/api/handlers/compat/exec.go b/pkg/api/handlers/compat/exec.go
index 7a62a2b58..1db950f85 100644
--- a/pkg/api/handlers/compat/exec.go
+++ b/pkg/api/handlers/compat/exec.go
@@ -10,6 +10,7 @@ import (
"github.com/containers/podman/v2/libpod/define"
"github.com/containers/podman/v2/pkg/api/handlers"
"github.com/containers/podman/v2/pkg/api/handlers/utils"
+ "github.com/containers/podman/v2/pkg/api/server/idletracker"
"github.com/containers/podman/v2/pkg/specgen/generate"
"github.com/gorilla/mux"
"github.com/pkg/errors"
@@ -173,15 +174,24 @@ func ExecStartHandler(w http.ResponseWriter, r *http.Request) {
return
}
- connection, buffer, err := AttachConnection(w, r)
- if err != nil {
- utils.InternalServerError(w, err)
- return
- }
- logrus.Debugf("Hijack for attach of container %s exec session %s successful", sessionCtr.ID(), sessionID)
+ idleTracker := r.Context().Value("idletracker").(*idletracker.IdleTracker)
+ hijackChan := make(chan bool, 1)
+
+ if err := sessionCtr.ExecHTTPStartAndAttach(sessionID, r, w, nil, nil, nil, hijackChan); err != nil {
+ hijackComplete := <-hijackChan
- 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)
+
+ if hijackComplete {
+ // We do need to tell the idle tracker that the
+ // connection has been closed, though. We can guarantee
+ // that is true after HTTPAttach exits.
+ idleTracker.TrackHijackedClosed()
+ } else {
+ // A hijack was not successfully completed. We need to
+ // report the error normally.
+ utils.InternalServerError(w, err)
+ }
}
logrus.Debugf("Attach for container %s exec session %s completed successfully", sessionCtr.ID(), sessionID)
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-17 07:37:09 +0000