mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-10-01 01:36:09 -04:00
57 lines
2.1 KiB
Bash
57 lines
2.1 KiB
Bash
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#!/bin/bash
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set -o errexit
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set -o pipefail
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set -o nounset
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if stat /tmp/node-deinit.cilium.io > /dev/null 2>&1; then
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exit 0
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fi
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echo "Waiting on pods to stop..."
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if [ ! -f /etc/crictl.yaml ] || grep -q 'docker' /etc/crictl.yaml; then
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# Works for COS, ubuntu
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while docker ps | grep -v "node-init" | grep -q "POD_cilium"; do sleep 1; done
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else
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# COS-beta (with containerd). Some versions of COS have crictl in /home/kubernetes/bin.
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while PATH="${PATH}:/home/kubernetes/bin" crictl ps | grep -v "node-init" | grep -q "POD_cilium"; do sleep 1; done
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fi
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if ip link show cilium_host; then
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echo "Deleting cilium_host interface..."
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ip link del cilium_host
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fi
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{{- if not (eq .Values.nodeinit.bootstrapFile "") }}
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rm -f {{ .Values.nodeinit.bootstrapFile | quote }}
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{{- end }}
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rm -f /tmp/node-init.cilium.io
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touch /tmp/node-deinit.cilium.io
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{{- if .Values.nodeinit.reconfigureKubelet }}
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# Check if we're running on a GKE containerd flavor.
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GKE_KUBERNETES_BIN_DIR="/home/kubernetes/bin"
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if [[ -f "${GKE_KUBERNETES_BIN_DIR}/gke" ]] && command -v containerd &>/dev/null; then
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CONTAINERD_CONFIG="/etc/containerd/config.toml"
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echo "Reverting changes to the containerd configuration"
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sed -Ei "s/^\#(\s+conf_template)/\1/g" "${CONTAINERD_CONFIG}"
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echo "Removing the kubelet wrapper"
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[[ -f "${GKE_KUBERNETES_BIN_DIR}/the-kubelet" ]] && mv "${GKE_KUBERNETES_BIN_DIR}/the-kubelet" "${GKE_KUBERNETES_BIN_DIR}/kubelet"
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else
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echo "Changing kubelet configuration to --network-plugin=kubenet"
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sed -i "s:--network-plugin=cni\ --cni-bin-dir={{ .Values.cni.binPath }}:--network-plugin=kubenet:g" /etc/default/kubelet
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fi
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echo "Restarting the kubelet"
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systemctl restart kubelet
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{{- end }}
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{{- if (and .Values.gke.enabled (or .Values.enableIPv4Masquerade .Values.gke.disableDefaultSnat))}}
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# If the IP-MASQ chain exists, add back default jump rule from the GKE instance configure script
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if iptables -w -t nat -L IP-MASQ > /dev/null; then
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iptables -w -t nat -A POSTROUTING -m comment --comment "ip-masq: ensure nat POSTROUTING directs all non-LOCAL destination traffic to our custom IP-MASQ chain" -m addrtype ! --dst-type LOCAL -j IP-MASQ
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fi
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{{- end }}
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echo "Node de-initialization complete"
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