#!/bin/sh
# process this file by running "wget -nc http://www.scriptroute.org/planetlab/planetlab-install && sh ./planetlab-install"
# or "curl -A scriptroute-installer -O http://www.scriptroute.org/planetlab/planetlab-install && sh ./planetlab-install"
# as a sudo-capable user; the -nc tells wget to overwrite earlier downloads
# the -A flag is needed on bgu.ac.il to circumvent a nasty proxy firewall. (PL #127)

# on internet2 sites, we'll need proxies to download external
# software.
i2proxy=http://internet2.proxy.services.planet-lab.org:8080
codeenproxy=http://planetlab1.cs.duke.edu:3128
scriptroute_version=0.4.9
my_host=`hostname`
curl="curl -A scriptroute-installer"
# yum="yum -c http://www.scriptroute.org/planetlab/yum.conf -d4"
# yum="yum -c http://www.scriptroute.org/planetlab/yum.conf"
yum="yum"

lockfile=/var/tmp/scriptroute-install.lock

if grep 2 /etc/redhat-release; then
    echo "we don't do FC2 planetlab nodes.  sorry. "
    echo "Host '$1' is running FC2"
    exit 1
fi

populate_rpm_dir() {
    test -d yum-rpms || mkdir yum-rpms
    cd yum-rpms
    for i in stock-rh9/python-2.2.2-26.i386.rpm \
        stock-rh9/libxml2-python-2.5.4-1.i386.rpm \
        stock-rh9/libxml2-2.5.4-1.i386.rpm \
        stock-rh9/expat-1.95.5-2.i386.rpm \
        stock-rh9/rpm-python-4.2-0.69.i386.rpm \
        stock-rh9/elfutils-0.76-3.i386.rpm \
        stock-rh9/gmp-4.1.2-2.i386.rpm \
        3rdparty/pycurl-7.10.4-1.i386.rpm \
        ; do
      echo "$my_host downloading $i";
      $curl -s -C - -O http://boot.planet-lab.org/install-rpms/$i;
      test -e `basename $i` || ( echo "apparent failure downloading $i"; exit )
    done

    $curl -s -O http://www.cs.princeton.edu/~alk/yum-2.0.4-1.noarch.rpm

    # the function returns the exit status of md5sum
    md5sum --check <<EOF
8cc612216ef72b9333977197ecfcf2d4  elfutils-0.76-3.i386.rpm
76aa046090620b8c51107a94a3e80d7c  expat-1.95.5-2.i386.rpm
5e619fbae34c67b605a4cad5687a1d6c  gmp-4.1.2-2.i386.rpm
e6fdf83f7d3c9bf92b3933ab9e828d4c  libxml2-2.5.4-1.i386.rpm
e9e9c148efcec483a8c23db572d42fc1  libxml2-python-2.5.4-1.i386.rpm
fecfdf95b93c41f58362b83549250e92  python-2.2.2-26.i386.rpm
bfa5b51f6edd19ed309bd4795c4eb025  rpm-python-4.2-0.69.i386.rpm
c25414929ca4c71e1699d52bd9c49202  yum-2.0.4-1.noarch.rpm
EOF
}

if test -e /var/run/yum.pid; then
    echo 
    echo "another copy of yum is running, attempting to kill it off."
    echo
    sudo kill -INT `cat /var/run/yum.pid`
    sleep 5
    if test -e /var/run/yum.pid; then
        if ps -p `cat /var/run/yum.pid`; then 
            echo "ERROR: another yum still running after kill -INT and a five second wait."
            echo "     : $my_host needs help with a stuck yum"
            echo "     : see http://www.rpm.org/hintskinks/repairdb/"
            echo "     : running sudo kill -9 " `cat /var/run/yum.pid`
            sudo kill -9 `cat /var/run/yum.pid`
            echo "     :         sudo rm -f /var/lib/rpm/__db*"
            sudo rm -f /var/lib/rpm/__db*
            echo "     :         sudo rpm --rebuilddb"
            sudo rpm --rebuilddb
            exit 1
        else
            echo "WARNING: stale yum pid file found, removing from $my_host"
            sudo rm /var/run/yum.pid
        fi
    fi
    echo "poof.  now we can try again."
fi

if test -e $lockfile; then
    oldpid=`cat $lockfile`
    if ps -p $oldpid | grep $oldpid; then
        echo "ERROR: scriptroute client installer already running at pid $oldpid on $my_host"
        exit 1
    fi
    # process is dead; lock file is stale.
    if rm $lockfile; then
        echo "NOTICE: removed stale lock file"
    else
        echo "WARNING: had trouble removing stale lock file, trying -f."
        rm -f $lockfile
    fi
fi

echo $$ > $lockfile
if ! test -e $lockfile; then
    echo "WARNING: unable to create lockfile"
fi
 
# if (! which yum) || (! yum --version ) || ( (test `rpm -q yum` != yum-2.0.4-1 ) && ( test `yum --version` != "2.0.7" ) ); then
## old planetlab if (! $yum --version ) || ( (test `rpm -q yum` != yum-2.0.4-1 ) && ( test `$yum --version` != "2.0.7" ) ); then
    ## old planetlab echo 
    ## old planetlab echo it is easier to keep packages up to date if you have yum installed.  installing yum.
    ## old planetlab echo
    ## old planetlab if populate_rpm_dir; then
        ## old planetlab echo "md5 check successful"
    ## old planetlab else
        ## old planetlab echo "ERROR: downloaded packages md5 check failed; retrying"
        ## old planetlab rm -f yum-rpms/*
        ## old planetlab if populate_rpm_dir; then
            ## old planetlab echo "second md5 check successful"
        ## old planetlab else
            ## old planetlab exit 1
        ## old planetlab fi
    ## old planetlab fi
    ## old planetlab sudo rpm -Uh *.rpm 
    ## old planetlab cd ..
## old planetlab fi

## old planetlab if ! test -e /etc/yum.conf; then
    ## old planetlab echo "yum does not seem to be installed, even though we tried."
    ## old planetlab exit 1
## old planetlab fi

## old planetlab sudo chmod a+r /etc/yum.conf # screw security through obscurity.

# if ! grep 3rdparty /etc/yum.conf; then 
    # sudo sh -c "cat >> /etc/yum.conf" <<EOF
# [PlanetLab]
# name=PlanetLab RPMS
# baseurl=http://boot.planet-lab.org/install-rpms/planetlab
# 
# [ThirdParty]
# name=Third Party RPMS
# baseurl=http://boot.planet-lab.org/install-rpms/3rdparty
# 
# EOF
# fi

# fixup the yum.conf.

## using http'd yum.conf if grep -s http://mirror.dulug.duke.edu/pub/yum-repository /etc/yum.conf; then
## using http'd yum.conf     sudo perl -pi.sr-bak -e 's#http://mirror.dulug.duke.edu/pub/yum-repository/redhat/\$releasever/\$basearch/#http://boot.planet-lab.org/install-rpms/stock-rh9#; s#http://mirror.dulug.duke.edu/pub/yum-repository/redhat/updates/\$releasever/#http://boot.planet-lab.org/install-rpms/updates-rh9#' /etc/yum.conf
## using http'd yum.conf fi
    

# not yet established.  maybe someday.
#if ! grep scriptroute /etc/yum.conf; then 
#sudo sh -c "cat >> /etc/yum.conf" 
#[scriptroute]
#name=Scriptroute
#baseurl=http://www.scriptroute.org/planetlab
#
#fi

# yum downloads from both, so the internet2 planetlab node
# won't work: configure the duke codeen node to act as a
# proxy.  would be unnecessary if I read Aaron's mail closely.
if ! test -z "$http_proxy" && test $http_proxy = $i2proxy; then
    http_proxy=$codeenproxy 
    export http_proxy
fi

# meh tries to "update" libpcap due to epoch damage on subsequent
# executions: sudo yum update || exit 1

# skip running yum if the programs are already installed. (much faster)
if rpm --quiet -q ruby-libs ruby-devel ruby gzip zlib; then
    echo "ruby already installed"
else 
    echo "** running yum to install ruby"
    sudo $yum -t -y install ruby-libs ruby-devel ruby gzip zlib || ( echo "ERROR: YUM INSTALL OF RUBY FAILED on $my_host!"; exit 1 )
    if rpm --quiet -q ruby-libs ruby-devel ruby; then 
        echo "** success!"
    else
        echo "** of course yum doesn't work properly while planetlab is at fc stale. trying to do it ourselves."
        sudo rpm -Uvh http://www.scriptroute.org/planetlab/ruby-1.8.4-3.fc4.i386.rpm http://www.scriptroute.org/planetlab/ruby-devel-1.8.4-3.fc4.i386.rpm http://www.scriptroute.org/planetlab/ruby-libs-1.8.4-3.fc4.i386.rpm  
    fi
fi

# 2008-08-25
rpm --quiet -q bash || sudo $yum -t -y install bash 
# end 2008-08-25

rpm --quiet -q libpcap || sudo $yum -t -y install libpcap
rpm --quiet -q libpcap || sudo rpm -Uvh http://www.scriptroute.org/planetlab/libpcap-0.8.3-14.FC4.i386.rpm

# rpm --quiet -q libpcap-0.8.1a-1 || sudo rpm -Uvh http://www.scriptroute.org/planetlab/libpcap-0.8.1a-1.i386.rpm
rpm --quiet -q undns-0.1.26-1 || sudo rpm -Uvh http://www.scriptroute.org/redhat/undns-0.1.26-1.i386.rpm

sudo rpm -Uvh http://www.scriptroute.org/planetlab/scriptroute-client-0.4.9-1.i386.rpm  

# http://www.scriptroute.org/planetlab/scriptroute-0.4.91.i386.rpm

# to install the server, which you don't want to do:
if test "$install_server" = "yes"; then
    echo "** attempting to install scriptroute server"
    echo "** please don't do this unless you really know what you're doing."

    # somehow these libraries tend to get installed badly, or lose files, or something.
    sudo $yum -t -y install ntp 
    sudo $yum -t -y install libgcrypt libgpg-error
    echo "** libgpg-error doublecheck"
    rpm --quiet -q libgpg-error || sudo rpm --force -i http://www.scriptroute.org/planetlab/libgpg-error-0.5-1.i386.rpm http://www.scriptroute.org/planetlab/libgcrypt-1.1.44-1.i386.rpm 
    echo "** libgcrypt doublecheck"
    rpm --quiet -q libgcrypt || sudo rpm --force -i http://www.scriptroute.org/planetlab/libgpg-error-0.5-1.i386.rpm http://www.scriptroute.org/planetlab/libgcrypt-1.1.44-1.i386.rpm 

    echo "** now installing the server"

    # try all combinations, as I can't figure out how to make this work reliably otherwise
    sudo rpm -Uvh http://www.scriptroute.org/planetlab/scriptroute-server-0.4.9-1.i386.rpm
    sudo rpm -Uvh http://www.scriptroute.org/planetlab/scriptroute-thttpd-0.4.9-1.i386.rpm
    sudo rpm -Uvh http://www.scriptroute.org/planetlab/scriptroute-0.4.9-1.i386.rpm
    sudo rpm -Uvh http://www.scriptroute.org/planetlab/scriptroute-server-0.4.9-1.i386.rpm http://www.scriptroute.org/planetlab/scriptroute-0.4.9-1.i386.rpm
    sudo rpm -Uvh http://www.scriptroute.org/planetlab/scriptroute-server-0.4.9-1.i386.rpm http://www.scriptroute.org/planetlab/scriptroute-0.4.9-1.i386.rpm http://www.scriptroute.org/planetlab/scriptroute-client-0.4.9-1.i386.rpm http://www.scriptroute.org/planetlab/scriptroute-thttpd-0.4.9-1.i386.rpm
    if rpm --quiet -q scriptroute-server-0.4.9-1; then
        echo "** scriptroute server installed"
    fi

fi

# we're done.
rm $lockfile

echo 'now run sr-rockettrace www.cs.washington.edu'
echo 'you may have to type "rehash" first'
echo 'to find other tools, type "sr" and hit <tab> a couple times'
echo 'to see what your shell finds'
echo "** scriptroute client installation complete on $my_host, assuming the above was ok"