Enable/restore eBPF DP scripts for Calico CNI

[iec.git] / src / foundation / scripts / cni / calico / k8s-new / restore_bpf.sh

diff --git a/src/foundation/scripts/cni/calico/k8s-new/restore_bpf.sh b/src/foundation/scripts/cni/calico/k8s-new/restore_bpf.sh
new file mode 100755 (executable)
index 0000000..7cfddef
--- /dev/null
+++ b/src/foundation/scripts/cni/calico/k8s-new/restore_bpf.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+set -x
+
+WORKDIR=$(pwd)
+TMP_DIR=$(mktemp -d)
+CALICO_VERSION=${1:-3.23.1}
+
+MARCH=$(uname -m)
+
+if [ $MARCH == "aarch64" ]; then ARCH=arm64;
+elif [ $MARCH == "x86_64" ]; then ARCH=amd64;
+else ARCH="unknown";
+fi
+
+echo ARCH=$ARCH
+
+echo "Restore kube-proxy:"
+kubectl patch ds -n kube-system kube-proxy --type merge -p '{"spec":{"template":{"spec":{"nodeSelector":{"non-calico": null}}}}}'
+
+if [ ! -f /usr/local/bin/calicoctl ]; then
+   curl -L https://github.com/projectcalico/calico/releases/download/v${CALICO_VERSION}/calicoctl-linux-${ARCH} -o ${WORKDIR}/calicoctl;
+   chmod +x ${WORKDIR}/calicoctl;
+   sudo cp ${WORKDIR}/calicoctl /usr/local/bin;
+fi
+
+echo "Restore eBPF mode:"
+calicoctl patch felixconfiguration default --patch='{"spec": {"bpfEnabled": false}}'
+
+echo "Disable Direct Server Return(DSR) mode: optional"
+calicoctl patch felixconfiguration default --patch='{"spec": {"bpfExternalServiceMode": "Tunnel"}}'
+