build/f_isoroot/f_repobuild/select_ubuntu_repo.sh

   1 #!/bin/bash
   2
   3 BLACKLIST="http://mirrors.se.eu.kernel.org/ubuntu/"
   4 #BLACKLIST+=" http://foo.bar"
   5
   6 cleanup() {
   7     rm -f $TMPFILE
   8 }
   9
  10 debugmsg() {
  11     test -n "$DEBUG" && echo "$@" >&2
  12 }
  13
  14
  15 # Check if url is blacklisted in this script
  16 blacklisted () {
  17   for blackurl in $BLACKLIST
  18   do
  19     if [ "$1" == "$blackurl" ]; then
  20       return 0
  21     fi
  22   done
  23   return 1
  24 }
  25
  26
  27 # Check mirror's integrity
  28 check_mirror () {
  29     mirror=$1
  30     status=0
  31     for packdir in dists/trusty-updates/main/binary-amd64 \
  32         dists/trusty-updates/restricted/binary-amd64 \
  33         dists/trusty-updates/universe/binary-amd64 \
  34         dists/trusty-updates/multiverse/binary-amd64 \
  35         dists/trusty-security/main/binary-amd64 \
  36         dists/trusty-security/restricted/binary-amd64 \
  37         dists/trusty-security/universe/binary-amd64 \
  38         dists/trusty-security/multiverse/binary-amd64 \
  39         dists/trusty-proposed/main/binary-amd64 \
  40         dists/trusty-proposed/restricted/binary-amd64 \
  41         dists/trusty-proposed/universe/binary-amd64 \
  42         dists/trusty-proposed/multiverse/binary-amd64 \
  43         dists/trusty/main/binary-amd64 \
  44         dists/trusty/restricted/binary-amd64 \
  45         dists/trusty/universe/binary-amd64 \
  46         dists/trusty/multiverse/binary-amd64 \
  47         dists/trusty-backports/main/binary-amd64 \
  48         dists/trusty-backports/restricted/binary-amd64 \
  49         dists/trusty-backports/universe/binary-amd64 \
  50         dists/trusty-backports/multiverse/binary-amd64
  51     do
  52         for packfile in Release Packages.gz
  53         do
  54             if [ $status -ne 1 ]; then
  55                 curl --output /dev/null --silent --head --fail \
  56                     $mirror/$packdir/$packfile
  57                 if [ $? -ne 0 ]; then
  58                     debugmsg "$mirror: Faulty (at least missing $packdir/$packfile)"
  59                     status=1
  60                 fi
  61             fi
  62         done
  63     done
  64     return $status
  65 }
  66
  67 if [ "$1" == "-d" ]; then
  68     DEBUG=1
  69 fi
  70
  71 # Hardcode for testing purposes
  72 DEBUG=1
  73
  74 TMPFILE=$(mktemp /tmp/mirrorsXXXXX)A
  75 trap cleanup exit
  76
  77 # Generate a list of mirrors considered as "up"
  78 curl -s  https://launchpad.net/ubuntu/+archivemirrors | \
  79     grep -P -B8 "statusUP|statusSIX" | \
  80     grep -o -P "(f|ht)tp.*\""  | \
  81     sed 's/"$//' | sort | uniq > $TMPFILE
  82
  83 # Iterate over "close" mirror, check that they are considered up
  84 # and sane.
  85 for url in $(curl -s http://mirrors.ubuntu.com/mirrors.txt)
  86 do
  87     if ! grep -q $url $TMPFILE; then
  88         debugmsg "$url Faulty (detected by Ubuntu)"
  89     elif blacklisted $url; then
  90         debugmsg "$url blacklisted"
  91     elif [ -z $BESTURL ]; then
  92         if grep -q $url $TMPFILE && check_mirror $url; then
  93             debugmsg "$url: OK (setting as primary URL)"
  94             BESTURL=$url
  95             test -z "$DEBUG" && break
  96         fi
  97     else
  98         grep -q $url $TMPFILE && check_mirror $url && debugmsg "$url: OK"
  99     fi
 100 done
 101
 102 echo "$BESTURL"