mi
52 lines
1.5 KiB
Bash
52 lines
1.5 KiB
Bash
#!/usr/bin/env bash
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set -Eeuo pipefail
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PRIVATE_INTERFACE="${PRIVATE_INTERFACE:-eth1}"
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PRIVATE_MAC="${PRIVATE_MAC:-fa:16:3e:b6:c6:70}"
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PRIVATE_ADDRESS="${PRIVATE_ADDRESS:-192.168.0.5/24}"
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NETPLAN_FILE="/etc/netplan/60-signoz-private.yaml"
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if [[ $EUID -ne 0 ]]; then
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echo "Запустите через sudo: sudo $0" >&2
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exit 1
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fi
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actual_mac="$(cat "/sys/class/net/${PRIVATE_INTERFACE}/address" 2>/dev/null || true)"
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if [[ "$actual_mac" != "$PRIVATE_MAC" ]]; then
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echo "Остановка: MAC ${PRIVATE_INTERFACE} равен '${actual_mac:-не найден}', ожидался ${PRIVATE_MAC}." >&2
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exit 1
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fi
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install -d -m 0700 /root/netplan-backup
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if [[ -f "$NETPLAN_FILE" ]]; then
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cp -a "$NETPLAN_FILE" "/root/netplan-backup/60-signoz-private.yaml.$(date +%Y%m%d-%H%M%S)"
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fi
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cat >"$NETPLAN_FILE" <<EOF
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network:
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version: 2
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ethernets:
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${PRIVATE_INTERFACE}:
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match:
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macaddress: "${PRIVATE_MAC}"
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set-name: "${PRIVATE_INTERFACE}"
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addresses:
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- "${PRIVATE_ADDRESS}"
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mtu: 1500
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optional: true
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EOF
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chmod 0600 "$NETPLAN_FILE"
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netplan generate
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echo "Создан ${NETPLAN_FILE}:"
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cat "$NETPLAN_FILE"
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echo
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echo "Netplan временно применит конфигурацию на 120 секунд."
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echo "Подтвердите её в приглашении только после проверки второй SSH-сессии."
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netplan try --timeout 120
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echo
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ip -br -4 address show "$PRIVATE_INTERFACE"
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ip -4 route show dev "$PRIVATE_INTERFACE"
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ip route get 192.168.0.1
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