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#!/bin/bash
UBUNTU_DISTRO="xenial"
BLACKLIST="http://mirrors.se.eu.kernel.org/ubuntu/"
#BLACKLIST+=" http://foo.bar"
cleanup() {
rm -f $TMPFILE
}
debugmsg() {
test -n "$DEBUG" && echo "$@" >&2
}
# Check if url is blacklisted in this script
blacklisted () {
for blackurl in $BLACKLIST
do
if [ "$1" == "$blackurl" ]; then
return 0
fi
done
return 1
}
# Check mirror's integrity
check_mirror () {
mirror=$1
status=0
for packdir in dists/${UBUNTU_DISTRO}-updates/main/binary-amd64 \
dists/${UBUNTU_DISTRO}-updates/restricted/binary-amd64 \
dists/${UBUNTU_DISTRO}-updates/universe/binary-amd64 \
dists/${UBUNTU_DISTRO}-updates/multiverse/binary-amd64 \
dists/${UBUNTU_DISTRO}-security/main/binary-amd64 \
dists/${UBUNTU_DISTRO}-security/restricted/binary-amd64 \
dists/${UBUNTU_DISTRO}-security/universe/binary-amd64 \
dists/${UBUNTU_DISTRO}-security/multiverse/binary-amd64 \
dists/${UBUNTU_DISTRO}-proposed/main/binary-amd64 \
dists/${UBUNTU_DISTRO}-proposed/restricted/binary-amd64 \
dists/${UBUNTU_DISTRO}-proposed/universe/binary-amd64 \
dists/${UBUNTU_DISTRO}-proposed/multiverse/binary-amd64 \
dists/${UBUNTU_DISTRO}/main/binary-amd64 \
dists/${UBUNTU_DISTRO}/restricted/binary-amd64 \
dists/${UBUNTU_DISTRO}/universe/binary-amd64 \
dists/${UBUNTU_DISTRO}/multiverse/binary-amd64 \
dists/${UBUNTU_DISTRO}-backports/main/binary-amd64 \
dists/${UBUNTU_DISTRO}-backports/restricted/binary-amd64 \
dists/${UBUNTU_DISTRO}-backports/universe/binary-amd64 \
dists/${UBUNTU_DISTRO}-backports/multiverse/binary-amd64
do
for packfile in Release Packages.gz
do
if [ $status -ne 1 ]; then
curl --output /dev/null --silent --head --fail \
$mirror/$packdir/$packfile
if [ $? -ne 0 ]; then
debugmsg "$mirror: Faulty (at least missing $packdir/$packfile)"
status=1
fi
fi
done
done
return $status
}
if [ "$1" == "-d" ]; then
DEBUG=1
fi
# Hardcode for testing purposes
# DEBUG=1
TMPFILE=$(mktemp /tmp/mirrorsXXXXX)A
trap cleanup exit
# Generate a list of mirrors considered as "up"
curl -s https://launchpad.net/ubuntu/+archivemirrors | \
grep -P -B8 "statusUP|statusONE|statusSIX" | \
grep -o -P "(f|ht)tp.*\"" | \
sed 's/"$//' | sort | uniq > $TMPFILE
# Iterate over "close" mirror, check that they are considered up
# and sane.
for url in $(curl -s http://mirrors.ubuntu.com/mirrors.txt)
do
if ! grep -q $url $TMPFILE; then
debugmsg "$url Faulty (detected by Ubuntu)"
elif blacklisted $url; then
debugmsg "$url blacklisted"
elif [ -z $BESTURL ]; then
if grep -q $url $TMPFILE && check_mirror $url; then
debugmsg "$url: OK (setting as primary URL)"
BESTURL=$url
test -z "$DEBUG" && break
fi
else
grep -q $url $TMPFILE && check_mirror $url && debugmsg "$url: OK"
fi
done
echo "$BESTURL"
|
