init

internal/kube/exec.go

@@ -0,0 +1,24 @@
+package kube
+
+import (
+	"os"
+	"os/exec"
+)
+
+// Exec runs kubectl exec to attach an interactive terminal to the specified
+// pod. If command is empty, it defaults to /bin/sh.
+func Exec(namespace, podName string, command []string) error {
+	if len(command) == 0 {
+		command = []string{"/bin/sh"}
+	}
+
+	args := []string{"exec", "-it", "-n", namespace, podName, "--"}
+	args = append(args, command...)
+
+	cmd := exec.Command("kubectl", args...)
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	return cmd.Run()
+}