From 729db7502b1f86df002076e59ab8caec48e6f9c0 Mon Sep 17 00:00:00 2001
From: Simon Deziel <simon.deziel@canonical.com>
Date: Fri, 22 Sep 2023 14:56:40 -0400
Subject: [PATCH] lxd-migrate: Drop upgrade-bridge script (remnant of LXD 2.0)

Signed-off-by: Simon Deziel <simon.deziel@canonical.com>
---
 lxd-migrate/scripts/upgrade-bridge | 150 -----------------------------
 1 file changed, 150 deletions(-)
 delete mode 100755 lxd-migrate/scripts/upgrade-bridge

diff --git a/lxd-migrate/scripts/upgrade-bridge b/lxd-migrate/scripts/upgrade-bridge
deleted file mode 100755
index 065ea045f..000000000
--- a/lxd-migrate/scripts/upgrade-bridge
+++ /dev/null
@@ -1,150 +0,0 @@
-#!/bin/sh -e
-# Work from the snap
-export PATH=/snap/bin/:${PATH}
-export LANG=C.UTF-8
-
-# Functions
-maskcidr() {
-   local x=${1##*255.}
-   set -- 0^^^128^192^224^240^248^252^254^ $(( (${#1} - ${#x})*2 )) ${x%%.*}
-   x=${1%%$3*}
-   echo $(( $2 + (${#x}/4) ))
-}
-
-# Skip if already converted
-if [ ! -e /etc/default/lxd-bridge ]; then
-    echo "LXD bridge already converted"
-    exit 0
-fi
-
-# Source current configuration
-. /etc/default/lxd-bridge
-
-# Setup temporary config dir
-export LXD_CONF=$(mktemp -d)
-
-# Check if LXD is functional (chroot detection)
-if ! lxc info --force-local >/dev/null 2>&1; then
-    echo "This system isn't running LXD, assuming stock configuration."
-    mv /etc/default/lxd-bridge /etc/default/lxd-bridge.upgraded
-
-    echo "Cleaning up lxd-bridge state files"
-    rm -Rf /var/lib/lxd-bridge /run/lxd-bridge "${LXD_CONF}"
-    exit 0
-fi
-
-# Clear deprecated settings
-echo "Unsetting deprecated profile options"
-lxc profile unset default user.network_mode --force-local || true
-lxc profile unset default environment.http_proxy --force-local || true
-
-# Done for unconfigured bridges
-if [ "${USE_LXD_BRIDGE}" != "true" ] || [ -z "${LXD_BRIDGE}" ]; then
-    echo "No bridge configuration to convert"
-    mv /etc/default/lxd-bridge /etc/default/lxd-bridge.upgraded
-
-    echo "Cleaning up lxd-bridge state files"
-    rm -Rf /var/lib/lxd-bridge /run/lxd-bridge "${LXD_CONF}"
-    exit 0
-fi
-
-# Attempting to kill existing lxd-bridge
-echo "Attempting to kill current lxd-bridge"
-if [ -e "/run/systemd/system" ] && systemctl -q is-active lxd-bridge; then
-    systemctl stop lxd-bridge || true
-fi
-
-if [ -e "/run/lxd-bridge/network_up" ] && [ -e "/usr/lib/lxd/lxd-bridge" ]; then
-    /usr/lib/lxd/lxd-bridge stop || true
-fi
-
-if [ -e "/run/lxd-bridge/dnsmasq.pid" ]; then
-    kill -9 "$(cat /run/lxd-bridge/dnsmasq.pid)" >/dev/null 2>&1 || true
-fi
-
-# Check if the bridge exists
-EXISTING=false
-if [ -e "/sys/class/net/${LXD_BRIDGE}" ]; then
-    EXISTING=true
-fi
-
-# Check for stock installation
-if [ "${EXISTING}" = "false" ] && [ "$(md5sum /etc/default/lxd-bridge | cut -d' ' -f1)" = "e8cfb4997d9443fe48302bb75326b09f" ]; then
-    echo "Stock LXD installation detected, resetting to new defaults"
-    lxc profile device remove default eth0 --force-local >/dev/null 2>&1 || true
-    mv /etc/default/lxd-bridge /etc/default/lxd-bridge.upgraded
-
-    echo "Cleaning up lxd-bridge state files"
-    rm -Rf /var/lib/lxd-bridge /run/lxd-bridge "${LXD_CONF}"
-    exit 0
-fi
-
-# Bring down and rename an existing bridge
-if [ "${EXISTING}" = "true" ]; then
-    if [ -e "/sys/class/net/lxd-upgrade" ]; then
-        ip link del lxd-upgrade
-    fi
-
-    echo "Bringing down and renaming existing bridge ${LXD_BRIDGE} to lxd-upgrade"
-    ip link set "${LXD_BRIDGE}" down
-    ip link set "${LXD_BRIDGE}" name lxd-upgrade
-fi
-
-# Define the bridge in LXD
-echo "Creating a new LXD bridge"
-if ! lxc network show "${LXD_BRIDGE}" >/dev/null 2>&1; then
-    lxc network create "${LXD_BRIDGE}" ipv4.address=none ipv6.address=none dns.mode=dynamic --force-local
-fi
-
-# Move the old bridge into place
-if [ "${EXISTING}" = "true" ]; then
-    echo "Moving the old bridge into place"
-    [ -e "/sys/class/net/${LXD_BRIDGE}" ] && ip link del "${LXD_BRIDGE}"
-    ip link set lxd-upgrade name "${LXD_BRIDGE}" up
-fi
-
-# Configure the bridge
-echo "Configuring the new LXD bridge"
-if [ -n "${LXD_CONFILE}" ] && [ -e "${LXD_CONFILE}" ]; then
-    echo "Setting dnsmasq conf-file to ${LXD_CONFILE}"
-    lxc network set "${LXD_BRIDGE}" raw.dnsmasq "conf-file=${LXD_CONFILE}" --force-local
-fi
-
-if [ "${LXD_DOMAIN}" != "lxd" ]; then
-    echo "Setting DNS domain to ${LXD_DOMAIN}"
-    lxc network set "${LXD_BRIDGE}" dns.domain "${LXD_DOMAIN}" --force-local
-fi
-
-if [ -n "${LXD_IPV4_ADDR}" ] && [ -n "${LXD_IPV4_NETMASK}" ]; then
-    IPV4_CIDR="${LXD_IPV4_ADDR}/$(maskcidr "${LXD_IPV4_NETMASK}")"
-    echo "Setting IPv4 network to ${IPV4_CIDR}"
-    lxc network set "${LXD_BRIDGE}" ipv4.address "${IPV4_CIDR}" --force-local
-
-    if [ -n "${LXD_IPV4_DHCP_RANGE}" ]; then
-        IPV4_RANGE=$(echo "${LXD_IPV4_DHCP_RANGE}" | sed "s/,/-/")
-        echo "Setting IPv4 DHCP range to ${IPV4_RANGE}"
-        lxc network set "${LXD_BRIDGE}" ipv4.dhcp.ranges "${IPV4_RANGE}" --force-local
-    fi
-
-    if [ "${LXD_IPV4_NAT}" = "true" ]; then
-        echo "Enabling IPv4 NAT"
-        lxc network set "${LXD_BRIDGE}" ipv4.nat true --force-local
-    fi
-fi
-
-if [ -e /proc/sys/net/ipv6 ] && [ -n "${LXD_IPV6_ADDR}" ] && [ -n "${LXD_IPV6_MASK}" ]; then
-    IPV6_CIDR="${LXD_IPV6_ADDR}/${LXD_IPV6_MASK}"
-    echo "Setting IPv6 network to ${IPV6_CIDR}"
-    lxc network set "${LXD_BRIDGE}" ipv6.address "${IPV6_CIDR}" --force-local
-
-    if [ "${LXD_IPV6_NAT}" = "true" ]; then
-        echo "Enabling IPv6 NAT"
-        lxc network set "${LXD_BRIDGE}" ipv6.nat true --force-local
-    fi
-fi
-
-echo "Done converting your bridge, renaming old configuration"
-mv /etc/default/lxd-bridge /etc/default/lxd-bridge.upgraded
-
-echo "Cleaning up lxd-bridge state files"
-rm -Rf /var/lib/lxd-bridge /run/lxd-bridge "${LXD_CONF}"