mirror of
https://github.com/sickcodes/Docker-OSX.git
synced 2024-10-29 16:13:45 -05:00
Add rankmirrors for minimal automated mirror fetching.
This commit is contained in:
sickcodes
parent
1ce7a06093
commit
91abf73855
244
rankmirrors
Executable file
244
rankmirrors
Executable file
@ -0,0 +1,244 @@
|
||||
#!/usr/bin/bash
|
||||
#
|
||||
# rankmirrors - read a list of mirrors from a file and rank them by speed
|
||||
# Generated from rankmirrors.sh.in; do not edit by hand.
|
||||
#
|
||||
# Copyright (c) 2009 Matthew Bruenig <matthewbruenig@gmail.com>
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
# traps interrupt key to spit out pre-interrupt info
|
||||
trap finaloutput INT
|
||||
|
||||
declare -r myname='rankmirrors'
|
||||
declare -r myver='1.4.0'
|
||||
|
||||
usage() {
|
||||
echo "${myname} v${myver}"
|
||||
echo
|
||||
echo "Ranks pacman mirrors by their connection and opening speed. Pacman mirror"
|
||||
echo "files are located in /etc/pacman.d/. It can also rank one mirror if the URL is"
|
||||
echo "provided."
|
||||
echo
|
||||
echo "Usage: ${myname} [options] MIRRORFILE | URL"
|
||||
echo
|
||||
echo "Options:"
|
||||
echo " --version show program's version number and exit"
|
||||
echo " -h, --help show this help message and exit"
|
||||
echo " -n NUM number of servers to output, 0 for all"
|
||||
echo " -m, --max-time NUM specify a ranking operation timeout, can be decimal number"
|
||||
echo " -t, --times only output mirrors and their response times"
|
||||
echo " -u, --url test a specific URL"
|
||||
echo " -v, --verbose be verbose in output"
|
||||
echo " -r, --repo specify a repository name instead of guessing"
|
||||
exit 0
|
||||
}
|
||||
|
||||
version() {
|
||||
echo "${myname} (pacman) ${myver}"
|
||||
echo "Copyright (c) 2009 Matthew Bruenig <matthewbruenig@gmail.com>."
|
||||
echo
|
||||
echo "This is free software; see the source for copying conditions."
|
||||
echo "There is NO WARRANTY, to the extent permitted by law."
|
||||
exit 0
|
||||
}
|
||||
|
||||
err() {
|
||||
echo "$1" >&2
|
||||
exit 1
|
||||
}
|
||||
|
||||
# gettime fetchurl (e.g gettime http://foo.com/core/os/i686/core.db.tar.gz)
|
||||
# returns the fetching time, or timeout, or unreachable
|
||||
gettime() {
|
||||
IFS=' ' output=( $(curl -s -m $MAX_TIME -w "%{time_total} %{http_code}" "$1" -o/dev/null) )
|
||||
(( $? == 28 )) && echo timeout && return
|
||||
(( ${output[1]} >= 400 || ! ${output[1]} )) && echo unreachable && return
|
||||
echo "${output[0]}"
|
||||
}
|
||||
|
||||
# getfetchurl serverurl (e.g. getturl http://foo.com/core/os/i686)
|
||||
# if $repo is in the line, then assumes core
|
||||
# if $arch is in the line, then assumes $(uname -m)
|
||||
# returns a fetchurl (e.g. http://foo.com/core/os/i686/core.db.tar.gz)
|
||||
ARCH="$(uname -m)"
|
||||
getfetchurl() {
|
||||
local strippedurl="${1%/}"
|
||||
|
||||
local replacedurl="${strippedurl//'$arch'/$ARCH}"
|
||||
if [[ ! $TARGETREPO ]]; then
|
||||
replacedurl="${replacedurl//'$repo'/core}"
|
||||
local tmp="${replacedurl%/*}"
|
||||
tmp="${tmp%/*}"
|
||||
|
||||
local reponame="${tmp##*/}"
|
||||
else
|
||||
replacedurl="${replacedurl//'$repo'/$TARGETREPO}"
|
||||
local reponame="$TARGETREPO"
|
||||
fi
|
||||
|
||||
if [[ -z $reponame || $reponame = $replacedurl ]]; then
|
||||
echo "fail"
|
||||
else
|
||||
local fetchurl="${replacedurl}/$reponame.db"
|
||||
echo "$fetchurl"
|
||||
fi
|
||||
}
|
||||
|
||||
# This exists to remove the need for a separate interrupt function
|
||||
finaloutput() {
|
||||
IFS=$'\n' read -r -d '' -a sortedarray < \
|
||||
<(printf '%s\n' "${timesarray[@]}" | LC_COLLATE=C sort)
|
||||
|
||||
# Final output for mirrorfile
|
||||
numiterator="0"
|
||||
if [[ $TIMESONLY ]]; then
|
||||
echo
|
||||
echo " Servers sorted by time (seconds):"
|
||||
for line in "${sortedarray[@]}"; do
|
||||
echo "${line#* } : ${line% *}"
|
||||
((numiterator++))
|
||||
(( NUM && numiterator >= NUM )) && break
|
||||
done
|
||||
else
|
||||
for line in "${sortedarray[@]}"; do
|
||||
echo "Server = ${line#* }"
|
||||
((numiterator++))
|
||||
(( NUM && numiterator >= NUM )) && break
|
||||
done
|
||||
fi
|
||||
exit 0
|
||||
}
|
||||
|
||||
|
||||
# Argument parsing
|
||||
[[ $1 ]] || usage
|
||||
while [[ $1 ]]; do
|
||||
if [[ ${1:0:2} = -- ]]; then
|
||||
case "${1:2}" in
|
||||
help) usage ;;
|
||||
version) version ;;
|
||||
max-time)
|
||||
[[ $2 ]] || err "Must specify number.";
|
||||
MAX_TIME="$2"
|
||||
shift 2;;
|
||||
times) TIMESONLY=1 ; shift ;;
|
||||
verbose) VERBOSE=1 ; shift ;;
|
||||
url)
|
||||
CHECKURL=1;
|
||||
[[ $2 ]] || err "Must specify URL.";
|
||||
URL="$2";
|
||||
shift 2;;
|
||||
repo)
|
||||
[[ $2 ]] || err "Must specify repository name.";
|
||||
TARGETREPO="$2";
|
||||
shift 2;;
|
||||
*) err "'$1' is an invalid argument."
|
||||
esac
|
||||
elif [[ ${1:0:1} = - ]]; then
|
||||
|
||||
if [[ ! ${1:1:1} ]]; then
|
||||
[[ -t 0 ]] && err "Stdin is empty."
|
||||
IFS=$'\n' linearray=( $(</dev/stdin) )
|
||||
STDIN=1
|
||||
shift
|
||||
else
|
||||
snum=1
|
||||
for ((i=1 ; i<${#1}; i++)); do
|
||||
case ${1:$i:1} in
|
||||
h) usage ;;
|
||||
m)
|
||||
[[ $2 ]] || err "Must specify number.";
|
||||
MAX_TIME="$2"
|
||||
snum=2;;
|
||||
t) TIMESONLY=1 ;;
|
||||
v) VERBOSE=1 ;;
|
||||
u)
|
||||
CHECKURL=1;
|
||||
[[ $2 ]] || err "Must specify URL.";
|
||||
URL="$2";
|
||||
snum=2;;
|
||||
r)
|
||||
[[ $2 ]] || err "Must specify repository name.";
|
||||
TARGETREPO="$2";
|
||||
snum=2;;
|
||||
n)
|
||||
[[ $2 ]] || err "Must specify number.";
|
||||
NUM="$2";
|
||||
snum=2;;
|
||||
*) err "'$1' is an invalid argument." ;;
|
||||
esac
|
||||
done
|
||||
shift $snum
|
||||
fi
|
||||
elif [[ -f $1 ]]; then
|
||||
FILE="1"
|
||||
IFS=$'\n' linearray=( $(<$1) )
|
||||
[[ $linearray ]] || err "File is empty."
|
||||
shift
|
||||
else
|
||||
err "'$1' does not exist."
|
||||
fi
|
||||
done
|
||||
|
||||
# Some sanity checks
|
||||
[[ $NUM ]] || NUM=0
|
||||
[[ $MAX_TIME ]] || MAX_TIME=10
|
||||
[[ $FILE && $CHECKURL ]] && err "Cannot specify a URL and mirrorfile."
|
||||
[[ $FILE || $CHECKURL || $STDIN ]] || err "Must specify URL, mirrorfile, or stdin."
|
||||
|
||||
# Single URL handling
|
||||
if [[ $CHECKURL ]]; then
|
||||
url="$(getfetchurl "$URL")"
|
||||
[[ $url = fail ]] && err "URL '$URL' is malformed."
|
||||
[[ $VERBOSE ]] && echo "Testing $url..."
|
||||
time=$(gettime "$url")
|
||||
echo "$URL : $time"
|
||||
exit 0
|
||||
fi
|
||||
|
||||
# Get URL results from mirrorfile, fill up the array, and so on
|
||||
if [[ $TIMESONLY ]]; then
|
||||
echo "Querying servers. This may take some time..."
|
||||
elif [[ $FILE ]]; then
|
||||
echo "# Server list generated by rankmirrors on $(date +%Y-%m-%d)"
|
||||
fi
|
||||
|
||||
timesarray=()
|
||||
for line in "${linearray[@]}"; do
|
||||
if [[ $line =~ ^[[:space:]]*# ]]; then
|
||||
[[ $TIMESONLY ]] || echo $line
|
||||
elif [[ $line =~ ^[[:space:]]*Server ]]; then
|
||||
|
||||
# Getting values and times and such
|
||||
server="${line#*= }"
|
||||
server="${server%%#*}"
|
||||
url="$(getfetchurl "$server")"
|
||||
[[ $url = fail ]] && err "URL '$URL' is malformed."
|
||||
time=$(gettime "$url")
|
||||
timesarray+=("$time $server")
|
||||
|
||||
# Output
|
||||
if [[ $VERBOSE && $TIMESONLY ]]; then
|
||||
echo "$server ... $time"
|
||||
elif [[ $VERBOSE ]]; then
|
||||
echo "# $server ... $time"
|
||||
elif [[ $TIMESONLY ]]; then
|
||||
echo -n " *"
|
||||
fi
|
||||
fi
|
||||
done
|
||||
finaloutput
|
||||
|
||||
# vim: set noet:
|
||||
Loading…
Reference in New Issue
Block a user