211 lines
6.8 KiB
Bash
Executable file
211 lines
6.8 KiB
Bash
Executable file
#!/bin/bash
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version=0.10
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program=${0##*/}
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progdir=${0%/*}
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if [ "$progdir" = "$program" ]; then progdir="."; fi
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if [ "$progdir" = "." ]; then progdir="$PWD"; fi
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parent=$(dirname $progdir)
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if [ "$parent" = "." ]; then parent="$PWD"; fi
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# ----------------------------------------------------------------------
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function usage() {
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cat <<EOF
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NAME
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$program - Run a docker datatracker container with suitable settings
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SYNOPSIS
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$program [OPTIONS] ARGS
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DESCRIPTION
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This is a wrapper which runs docker with suitable arguments on a
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debian-based docker image which has been set up with the dependencies
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needed to easily run the IETF datatracker in development mode. By
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default, it expects to find MySWL database files at
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$parent/data/mysql, which is mapped inside the
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container to /var/lib/mysql, and it will set up a home directory for
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the current user ($USER) and map it to $HOME.
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EOF
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echo -e "OPTIONS"
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if [ "$(uname)" = "Linux" ]; then
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egrep "^[ ]+[-][A-Za-z| -]+\*?\)[ ]+[A-Za-z].+#" $0 | tr -s "\t|" "\t," | sed -r -e 's/\)[ \t]+([A-Z]+)=\$2[^#]*#/=\1\t/' -e 's/\)[^#]*#/\t/'
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else
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egrep "^[ ]+[-][A-Za-z| -]+\*?\)[ ]+[A-Za-z].+#" $0 | sed 's/\|.*\$2[^#]*#/ /'| sed -E 's/\|.*\)[^#]*#/ /'
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fi
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cat <<EOF
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FILES
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AUTHOR
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Written by Henrik Levkowetz, <henrik@levkowetz.com>
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COPYRIGHT
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Copyright (c) 2015 IETF Trust and the persons identified as authors of
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the code. All rights reserved. License 'Simplified BSD', as specified
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in http://opensource.org/licenses/BSD-3-Clause.
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EOF
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}
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# ----------------------------------------------------------------------
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function die() {
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echo -e "\n$program: error: $*" >&2
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exit 1
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}
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function note() {
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if [ -n "$VERBOSE" ]; then echo -e "$*"; fi
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}
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# ----------------------------------------------------------------------
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function version() {
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echo -e "$program $version"
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}
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# ----------------------------------------------------------------------
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trap 'echo "$program($LINENO): Command failed with error code $? ([$$] $0 $*)"; exit 1' ERR
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# ----------------------------------------------------------------------
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# Option parsing
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# Options
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shortopts=dhi:m:Mp:r:t:vVu:
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longopts=download-data,help,ietfdb-url=,mysqldata=,no-mysqldir,port=,docker-repo=,tag=,verbose,version,user=,
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# Default values
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MYSQLDIR=$parent/data/mysql
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FILEDIR=$parent/../data/
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PORT=8000
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REPO="ietf/datatracker-environment"
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TAG=$(basename $(svn info $parent | grep ^URL | awk '{print $2}'))
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URL=https://www.ietf.org/lib/dt/sprint/ietf_utf8.bin.tar.bz2
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WHO=$(whoami)
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if [ "$(uname)" = "Linux" ]; then
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args=$(getopt -o "$shortopts" --long "$longopts" -n '$program' -- $SV "$@")
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if [ $? != 0 ] ; then die "Terminating..." >&2 ; exit 1 ; fi
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eval set -- "$args"
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sed="sed -r"
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else
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# Darwin, BSDs
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args=$(getopt -o$shortopts $SV $*)
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if [ $? != 0 ] ; then die "Terminating..." >&2 ; exit 1 ; fi
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set -- $args
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sed="sed -E"
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fi
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while true ; do
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case "$1" in
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-d| --download-data) DOWNLOAD=1;; # Download and set up the database files
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-h| --help) usage; exit;; # Show this help, then exit
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-f| --filedir) FILEDIR=$2; shift;; # Set the desired location of drafts, charters etc.
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-i| --ietfdb-url) URL=$2; shift;; # Use an alternative database tarball URL
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-m| --mysqldir) MYSQLDIR=$2; shift;; # Set the desired location of MySQL's database files
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-p| --port) PORT=$2; shift;; # Bind the container's port 8000 to external port PORT
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-r| --docker-repo) REPO=$2; shift;; # Use the given docker repository, instead of the default
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-t| --tag) TAG=$2; shift;; # Use this docker image tag, instead of the svn branch name
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-u| --user) WHO=$2; shift;; # Run the container as the specified user
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-v| --verbose) VERBOSE=1;; # Be more talkative
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-V| --version) version; exit;; # Show program version, then exit
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--) shift; break;;
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*) die "Internal error, inconsistent option specification: '$1'";;
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esac
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shift
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done
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# ----------------------------------------------------------------------
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# The program itself
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if [ "$(uname)" != "Linux" ]; then
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if [ -n "$(type -p docker-machine)" ]; then
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machine=$(type -p docker-machine)
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else
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die "Could not find boot2docker or docker-machine -- you need to set one of those before running this script."
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fi
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else
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die "Didn't expect to run this script on Linux -- are you inside docker?"
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fi
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if [ $($machine status default) != "Running" ]; then
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echo "The docker VM doesn't seem to be running; will attempt to start it by doing '\$ $machine start':"
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$machine start || die "Failed taking up the Docker VM"
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fi
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if [ -f "$machine" ]; then
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if [ $($machine status | tr "A-Z" "a-z") = "Running" ]; then
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tmpfile=$(mktemp docker.run.XXXXXXXX)
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if $machine $env 2>/dev/null | grep DOCKER_ > $tmpfile; then
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mv $tmpfile ~/.docker-info
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elif printenv | grep DOCKER_ > $tmpfile; then
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mv $tmpfile ~/.docker-info
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else
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rm $tmpfile
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die "Failed setting the appropriate DOCKER_* environment variables."
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fi
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. ~/.docker-info
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else
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rm -f ~/.docker-info
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fi
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fi
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echo ""
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echo "Starting a docker container for '$TAG'."
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docker ps | grep -q $REPO:$TAG && die \
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"It seems that another docker container is already running the
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image '$REPO:$TAG'. Continuing here can cause various problems,
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such as changes from within the container being saved from different
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containers to the same image, overwriting earlier changes, and
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multiple containers trying to use the same database files. Better
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to bail out here. Quitting."
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if [ -n "$DOWNLOAD" ]; then
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(
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cd $(dirname $MYSQLDIR)
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wget -N $URL && tar xjf ietf_utf8.bin.tar.bz2 && chmod -R g+rX mysql
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)
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[ -d "$MYSQLDIR" ] || die "The download seems to have failed; still no $MYSQLDIR. Giving up."
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else
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[ -d "$MYSQLDIR" ] || die "Expected $MYSQLDIR to exist, but it\ndidn't. Use '$program -d' to download and unpack the database."
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fi
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if ! docker images $REPO | grep -q $TAG; then
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echo "Fetching docker image '$REPO:$TAG'"
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if ! docker pull $REPO:$TAG; then
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docker pull $REPO:latest || die "Failed to pull down the '$REPO:latest' docker image"
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id=$(docker images $REPO | grep latest | awk '{print $3}')
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echo "Tagging $REPO:latest as $REPO:$TAG for use as environment for this branch."
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docker tag $id $REPO:$TAG
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fi
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fi
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if [ -z "$MYSQLDIR" ]; then
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docker run -ti -p $PORT:8000 -v $HOME:/home/$WHO \
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-e USER=$WHO -e DATADIR=${parent#$HOME/}/data -e CWD=${PWD#$HOME/} \
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-e TAG=$TAG -e FILEDIR=${FILEDIR#$HOME} \
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$REPO:$TAG "$@"
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else
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docker run -ti -p $PORT:8000 -v $HOME:/home/$WHO -v $MYSQLDIR:/var/lib/mysql\
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-e USER=$WHO -e DATADIR=${parent#$HOME/}/data -e CWD=${PWD#$HOME/} \
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-e TAG=$TAG -e FILEDIR=${FILEDIR#$HOME} \
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$REPO:$TAG "$@"
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fi
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echo ""
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echo "Committing changes in the container to an image:"
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latest=$(docker ps -lq)
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docker commit $latest $REPO:$TAG
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echo ""
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echo "Cleaning up containers and images"
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docker rm $latest
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docker images -f dangling=true -q | xargs docker rmi -f
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