From 62c68a405147bd0dcadfe673ee59066a4bb2bf7a Mon Sep 17 00:00:00 2001
From: GregoireW <24318548+GregoireW@users.noreply.github.com>
Date: Mon, 10 Jun 2024 13:58:34 +0200
Subject: [PATCH] Pull tcpdump image with ctr instead of crictl

---
 pkg/service/sniffer/runtime/containerd.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/pkg/service/sniffer/runtime/containerd.go b/pkg/service/sniffer/runtime/containerd.go
index c41b34b..91d2607 100644
--- a/pkg/service/sniffer/runtime/containerd.go
+++ b/pkg/service/sniffer/runtime/containerd.go
@@ -40,10 +40,12 @@ func (d *ContainerdBridge) BuildTcpdumpCommand(containerId *string, netInterface
     export CONTAINERD_NAMESPACE="k8s.io"
     export CONTAINER_RUNTIME_ENDPOINT="unix:///host${CONTAINERD_SOCKET}"
     export IMAGE_SERVICE_ENDPOINT=${CONTAINER_RUNTIME_ENDPOINT}
-    crictl pull %s >/dev/null
     netns=$(crictl inspect %s | jq '.info.runtimeSpec.linux.namespaces[] | select(.type == "network") | .path' | tr -d '"')
-    exec chroot /host ctr -a ${CONTAINERD_SOCKET} run --rm --with-ns "network:${netns}" %s %s %s 
-    `, d.socketPath, tcpdumpImage, *containerId, tcpdumpImage, d.tcpdumpContainerName, tcpdumpCommand)
+    cat <<EOF | exec chroot /host
+    ctr image pull %s > /dev/null 
+    ctr -a ${CONTAINERD_SOCKET} run --rm --with-ns "network:${netns}" %s %s %s
+    EOF
+    `, d.socketPath, *containerId, tcpdumpImage, tcpdumpImage, d.tcpdumpContainerName, tcpdumpCommand)
 	command := []string{"/bin/sh", "-c", shellScript}
 	return command
 }