0.0.1 release

Author: aylei

README.md

@@ -30,6 +30,25 @@ kubectl debug POD_NAME
 kubectl debug -h
 ```
 
+# Build from source
+
+Clone this repo and:
+```bash
+# build plugin
+go build -o kubectl-debug ./cmd/plugin
+# install plugin
+mv kubectl-debug /usr/local/bin
+
+# build agent
+go build -o debug-agent ./cmd/agent
+# build agent image
+docker build . -t debug-agent
+```
+
+# Demo
+
+[![asciicast](https://asciinema.org/a/yswc937xUwvnIMRpvJSNJLJj7.png)](https://asciinema.org/a/yswc937xUwvnIMRpvJSNJLJj7)
+
 # Default image and entrypoint
 
 `kubectl-debug` use [nicolaka/netshoot](https://github.com/nicolaka/netshoot) as the default image to run debug container, and use `bash` as default entrypoint.

pkg/util/resizeevents_windows.go

@@ -0,0 +1,62 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package term
+
+import (
+	"time"
+
+	"k8s.io/apimachinery/pkg/util/runtime"
+	"k8s.io/client-go/tools/remotecommand"
+)
+
+// monitorResizeEvents spawns a goroutine that periodically gets the terminal size and tries to send
+// it to the resizeEvents channel if the size has changed. The goroutine stops when the stop channel
+// is closed.
+func monitorResizeEvents(fd uintptr, resizeEvents chan<- remotecommand.TerminalSize, stop chan struct{}) {
+	go func() {
+		defer runtime.HandleCrash()
+
+		size := GetSize(fd)
+		if size == nil {
+			return
+		}
+		lastSize := *size
+
+		for {
+			// see if we need to stop running
+			select {
+			case <-stop:
+				return
+			default:
+			}
+
+			size := GetSize(fd)
+			if size == nil {
+				return
+			}
+
+			if size.Height != lastSize.Height || size.Width != lastSize.Width {
+				lastSize.Height = size.Height
+				lastSize.Width = size.Width
+				resizeEvents <- *size
+			}
+
+			// sleep to avoid hot looping
+			time.Sleep(250 * time.Millisecond)
+		}
+	}()
+}

scripts/agent_daemonset.yml

@@ -14,7 +14,7 @@ spec:
         app: debug-agent
     spec:
       containers:
-      - image: registry.qunhequnhe.com/monitor/debug-agent:0.0.5
+      - image: aylei/debug-agent:0.0.1
         imagePullPolicy: IfNotPresent
         livenessProbe:
           failureThreshold: 3