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authorMatthew Heon <matthew.heon@pm.me>2020-01-10 13:37:10 -0500
committerMatthew Heon <matthew.heon@pm.me>2020-01-16 13:49:21 -0500
commitac47e80b07ddc1e56e7c4fd6b0deca9f3bdc5f54 (patch)
tree7d5f49fde60dd3b9299991e248d3eb37f756d73a /libpod/oci_missing.go
parentdb00ee97e950290a6bc5d669cde0cbc54bb94afe (diff)
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Add an API for Attach over HTTP API
The new APIv2 branch provides an HTTP-based remote API to Podman. The requirements of this are, unfortunately, incompatible with the existing Attach API. For non-terminal attach, we need append a header to what was copied from the container, to multiplex STDOUT and STDERR; to do this with the old API, we'd need to copy into an intermediate buffer first, to handle the headers. To avoid this, provide a new API to handle all aspects of terminal and non-terminal attach, including closing the hijacked HTTP connection. This might be a bit too specific, but for now, it seems to be the simplest approach. At the same time, add a Resize endpoint. This needs to be a separate endpoint, so our existing channel approach does not work here. I wanted to rework the rest of attach at the same time (some parts of it, particularly how we start the Attach session and how we do resizing, are (in my opinion) handled much better here. That may still be on the table, but I wanted to avoid breaking existing APIs in this already massive change. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
Diffstat (limited to 'libpod/oci_missing.go')
-rw-r--r--libpod/oci_missing.go13
1 files changed, 13 insertions, 0 deletions
diff --git a/libpod/oci_missing.go b/libpod/oci_missing.go
index 0faa1805b..ff7eea625 100644
--- a/libpod/oci_missing.go
+++ b/libpod/oci_missing.go
@@ -1,13 +1,16 @@
package libpod
import (
+ "bufio"
"fmt"
+ "net"
"path/filepath"
"sync"
"github.com/containers/libpod/libpod/define"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
+ "k8s.io/client-go/tools/remotecommand"
)
var (
@@ -107,6 +110,16 @@ func (r *MissingRuntime) UnpauseContainer(ctr *Container) error {
return r.printError()
}
+// HTTPAttach is not available as the runtime is missing
+func (r *MissingRuntime) HTTPAttach(ctr *Container, httpConn net.Conn, httpBuf *bufio.ReadWriter, streams *HTTPAttachStreams, detachKeys *string, cancel <-chan bool) error {
+ return r.printError()
+}
+
+// AttachResize is not available as the runtime is missing
+func (r *MissingRuntime) AttachResize(ctr *Container, newSize remotecommand.TerminalSize) error {
+ return r.printError()
+}
+
// ExecContainer is not available as the runtime is missing
func (r *MissingRuntime) ExecContainer(ctr *Container, sessionID string, options *ExecOptions) (int, chan error, error) {
return -1, nil, r.printError()