54 lines
1.3 KiB
Bash
54 lines
1.3 KiB
Bash
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#!/usr/bin/env sh
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set -xeo pipefail
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# Install one-context
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wget https://github.com/OpenNebula/addon-context-linux/releases/download/v5.8.0/one-context-5.8.0-r1.apk
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apk add --allow-untrusted --no-cache one-context-5.8.0-r1.apk
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apk add --no-cache e2fsprogs-extra
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apk add --no-cache haveged
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# Enable VM contextualization
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rc-update add one-context default
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rc-update add haveged boot
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rc-status
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# Add DNS hook in one-context
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mkdir -p /usr/local/share/one-context/scripts
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cat > /usr/local/share/one-context/scripts/dns-nebula <<'EOF'
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#!/bin/sh
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. /usr/share/one-context/scripts/utils.sh
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dns_servers="$(getval ETH0_DNS)"
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echo > /etc/resolv.conf
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for nameserver_address in $dns_servers; do
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echo "nameserver $nameserver_address" >> /etc/resolv.conf
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done
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EOF
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chmod +x /usr/local/share/one-context/scripts/dns-nebula
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ln -s /usr/local/share/one-context/scripts/dns-nebula /etc/one-context.d/01-dns-nebula
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# Reset network interfaces
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cat > /etc/network/interfaces <<EOF
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auto lo
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iface lo inet loopback
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# BEGIN generated by /usr/share/one-context/scripts/network
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# Do not modify this block, any modifications will be lost after reboot!
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auto eth0
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iface eth0 inet dhcp
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# END generated
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EOF
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# Disable resolv.conf overwriting
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mkdir -p /etc/udhcpc
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echo 'RESOLV_CONF=NO' >> /etc/udhcpc/udhcpc.conf
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# Clean up
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rm -rf /root/*.apk
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sync
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