91 lines
3.0 KiB
YAML
91 lines
3.0 KiB
YAML
# services/maintenance/titan-22-link-keeper-daemonset.yaml
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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name: titan-22-link-keeper
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namespace: maintenance
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labels:
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app: titan-22-link-keeper
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spec:
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selector:
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matchLabels:
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app: titan-22-link-keeper
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template:
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metadata:
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labels:
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app: titan-22-link-keeper
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spec:
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hostNetwork: true
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hostPID: true
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nodeSelector:
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kubernetes.io/hostname: titan-22
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tolerations:
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- key: node.kubernetes.io/unschedulable
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operator: Exists
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effect: NoSchedule
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- key: node.kubernetes.io/not-ready
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operator: Exists
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effect: NoExecute
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- key: node.kubernetes.io/unreachable
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operator: Exists
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effect: NoExecute
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- key: node.kubernetes.io/unreachable
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operator: Exists
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effect: NoSchedule
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- key: node.kubernetes.io/disk-pressure
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operator: Exists
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effect: NoSchedule
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- key: node.kubernetes.io/memory-pressure
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operator: Exists
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effect: NoSchedule
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- key: node.kubernetes.io/pid-pressure
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operator: Exists
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effect: NoSchedule
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- key: node.kubernetes.io/network-unavailable
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operator: Exists
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effect: NoSchedule
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containers:
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- name: link-keeper
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image: bitnami/kubectl@sha256:554ab88b1858e8424c55de37ad417b16f2a0e65d1607aa0f3fe3ce9b9f10b131
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imagePullPolicy: IfNotPresent
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securityContext:
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privileged: true
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runAsUser: 0
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command:
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- /bin/bash
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- -lc
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- |
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set -u
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while true; do
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nsenter -t 1 -m -u -i -n -p -- /bin/sh -lc '
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date -Is
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if ethtool enp5s0 | grep -q "Link detected: yes"; then
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ethtool enp5s0 | sed -n "1,25p" || true
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ip -br addr show enp5s0 || true
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exit 0
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fi
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echo "link down; attempting recovery"
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ip link set enp5s0 up || true
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ethtool --set-eee enp5s0 eee off || true
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ethtool -s enp5s0 advertise 0x80000000002f autoneg on || ethtool -s enp5s0 autoneg on || true
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sleep 5
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if ! ethtool enp5s0 | grep -q "Link detected: yes"; then
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echo "link still down after autoneg; trying forced 2.5G"
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ethtool -s enp5s0 speed 2500 duplex full autoneg off || true
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sleep 3
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fi
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if ! ethtool enp5s0 | grep -q "Link detected: yes"; then
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echo "link still down after 2.5G; trying forced 1G"
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ethtool -s enp5s0 speed 1000 duplex full autoneg off || true
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sleep 3
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fi
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ethtool enp5s0 | sed -n "1,45p" || true
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ip -br addr show enp5s0 || true
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'
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sleep 60
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done
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