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Pull tcpdump image with ctr instead of crictl #184

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Pull tcpdump image with ctr instead of crictl #184

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8 changes: 5 additions & 3 deletions pkg/service/sniffer/runtime/containerd.go
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Original file line number Diff line number Diff line change
Expand Up @@ -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
}
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