openstack/rally
Code Issues Proposed changes
94bc2ea316
rally/install_rally.sh
Anton Studenov 4b631afa68 [install] Fix install_rally.sh 
install_rally.sh fails to find bindep.txt if the script
is downloaded separately.

This patch moves logic related to bindep to the place where
rally repo already cloned.

Closes-Bug: #1652917
Change-Id: Ia43b25461696f681a2e3b13a13636b95aabafae7
2016-12-30 18:28:42 +03:00

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#!/usr/bin/env bash
#
# This script installs Rally.
# Specifically, it is able to install and configure
# Rally either globally (system-wide), or isolated in
# a virtual environment using the virtualenv tool.
#
# NOTE: The script assumes that you have the following
# programs already installed:
# -> Python 2.6, Python 2.7 or Python 3.4
set -e
PROG=$(basename "${0}")
running_as_root() {
test "$(/usr/bin/id -u)" -eq 0
}
VERBOSE=""
ASKCONFIRMATION=1
RECREATEDEST="ask"
USEVIRTUALENV="yes"
DEVELOPMENT_MODE="false"
# ansi colors for formatting heredoc
ESC=$(printf "\e")
GREEN="$ESC[0;32m"
NO_COLOR="$ESC[0;0m"
RED="$ESC[0;31m"
PYTHON2=$(which python || true)
PYTHON3=$(which python3 || true)
PYTHON=${PYTHON2:-$PYTHON3}
BASE_PIP_URL=${BASE_PIP_URL:-"https://pypi.python.org/simple"}
VIRTUALENV_VERSION="15.1.0"
VIRTUALENV_URL="https://raw.github.com/pypa/virtualenv/$VIRTUALENV_VERSION/virtualenv.py"
RALLY_GIT_URL="https://git.openstack.org/openstack/rally"
RALLY_GIT_BRANCH="master"
RALLY_CONFIGURATION_DIR=/etc/rally
RALLY_DATABASE_DIR=/var/lib/rally/database
DBTYPE=sqlite
DBNAME=rally.sqlite
# Variable used by script_interrupted to know what to cleanup
CURRENT_ACTION="none"
## Exit status codes (mostly following <sysexits.h>)
# successful exit
EX_OK=0
# wrong command-line invocation
EX_USAGE=64
# missing dependencies (e.g., no C compiler)
EX_UNAVAILABLE=69
# wrong python version
EX_SOFTWARE=70
# cannot create directory or file
EX_CANTCREAT=73
# user aborted operations
EX_TEMPFAIL=75
# misused as: unexpected error in some script we call
EX_PROTOCOL=76
# abort RC [MSG]
#
# Print error message MSG and abort shell execution with exit code RC.
# If MSG is not given, read it from STDIN.
#
abort () {
local rc="$1"
shift
(echo -en "$RED$PROG: ERROR: $NO_COLOR";
if [ $# -gt 0 ]; then echo "$@"; else cat; fi) 1>&2
exit "$rc"
}
# die RC HEADER <<...
#
# Print an error message with the given header, then abort shell
# execution with exit code RC. Additional text for the error message
# *must* be passed on STDIN.
#
die () {
local rc="$1"
header="$2"
shift 2
cat 1>&2 <<__EOF__
$RED==========================================================
$PROG: ERROR: $header
==========================================================
$NO_COLOR
__EOF__
if [ $# -gt 0 ]; then
# print remaining arguments one per line
for line in "$@"; do
echo "$line" 1>&2;
done
else
# additional message text provided on STDIN
cat 1>&2;
fi
cat 1>&2 <<__EOF__
If the above does not help you resolve the issue, please contact the
Rally team by sending an email to the OpenStack mailing list
openstack-dev@lists.openstack.org. Include the full output of this
script to help us identifying the problem.
$RED
Aborting installation!$NO_COLOR
__EOF__
exit "$rc"
}
script_interrupted () {
echo "Interrupted by the user. Cleaning up..."
[ -n "${VIRTUAL_ENV}" -a "${VIRTUAL_ENV}" == "$VENVDIR" ] && deactivate
case $CURRENT_ACTION in
creating_venv|venv-created)
if [ -d "$VENVDIR" ]
then
if ask_yn "Do you want to delete the virtual environment in '$VENVDIR'?"
then
rm -rf "$VENVDIR"
fi
fi
;;
downloading-src|src-downloaded)
# This is only relevant when installing with --system,
# otherwise the git repository is cloned into the
# virtualenv directory
if [ -d "$SOURCEDIR" ]
then
if ask_yn "Do you want to delete the downloaded source in '$SOURCEDIR'?"
then
rm -rf "$SOURCEDIR"
fi
fi
;;
esac
abort $EX_TEMPFAIL "Script interrupted by the user"
}
trap script_interrupted SIGINT
print_usage () {
cat <<__EOF__
Usage: $PROG [options]
This script will install Rally in your system.
Options:
$GREEN -h, --help $NO_COLOR Print this help text
$GREEN -v, --verbose $NO_COLOR Verbose mode
$GREEN -s, --system $NO_COLOR Install system-wide.
$GREEN -d, --target DIRECTORY$NO_COLOR Install Rally virtual environment into DIRECTORY.
(Default: $HOME/rally if not root).
$GREEN --url $NO_COLOR Git repository public URL to download Rally from.
This is useful when you have only installation script and want to install Rally
from custom repository.
(Default: ${RALLY_GIT_URL}).
(Ignored when you are already in git repository).
$GREEN --branch $NO_COLOR Git branch name, tag (Rally release), commit hash, ref, or other
tree-ish to install. (Default: master)
Ignored when you are already in git repository.
$GREEN -f, --overwrite $NO_COLOR Deprecated. Use -r instead.
$GREEN -r, --recreate $NO_COLOR Remove target directory if it already exist.
If neither '-r' nor '-R' is set default behaviour is to ask.
$GREEN -R, --no-recreate $NO_COLOR Do not remove target directory if it already exist.
If neither '-r' nor '-R' is set default behaviour is to ask.
$GREEN -y, --yes $NO_COLOR Do not ask for confirmation: assume a 'yes' reply
to every question.
$GREEN -D, --dbtype TYPE $NO_COLOR Select the database type. TYPE can be one of
'sqlite', 'mysql', 'postgres'.
Default: sqlite
$GREEN --db-user USER $NO_COLOR Database user to use. Only used when --dbtype
is either 'mysql' or 'postgres'.
$GREEN --db-password PASSWORD$NO_COLOR Password of the database user. Only used when
--dbtype is either 'mysql' or 'postgres'.
$GREEN --db-host HOST $NO_COLOR Database host. Only used when --dbtype is
either 'mysql' or 'postgres'
$GREEN --db-name NAME $NO_COLOR Name of the database. Only used when --dbtype is
either 'mysql' or 'postgres'
$GREEN -p, --python EXE $NO_COLOR The python interpreter to use. Default: $PYTHON
$GREEN --develop $NO_COLOR Install Rally with editable source code try.
(Default: false)
$GREEN --no-color $NO_COLOR Disable output coloring.
__EOF__
}
# ask_yn PROMPT
#
# Ask a Yes/no question preceded by PROMPT.
# Set the env. variable REPLY to 'yes' or 'no'
# and return 0 or 1 depending on the users'
# answer.
#
ask_yn () {
if [ $ASKCONFIRMATION -eq 0 ]; then
# assume 'yes'
REPLY='yes'
return 0
fi
while true; do
read -p "$1 [yN] " REPLY
case "$REPLY" in
[Yy]*) REPLY='yes'; return 0 ;;
[Nn]*|'') REPLY='no'; return 1 ;;
*) echo "Please type 'y' (yes) or 'n' (no)." ;;
esac
done
}
have_command () {
type "$1" >/dev/null 2>/dev/null
}
require_command () {
if ! have_command "$1"; then
abort 1 "Could not find required command '$1' in system PATH. Aborting."
fi
}
require_python () {
require_command "$PYTHON"
if "$PYTHON" -c 'import sys; sys.exit(sys.version_info[:2] >= (2, 6))'
then
die $EX_UNAVAILABLE "Wrong version of python is installed" <<__EOF__
Rally requires Python version 2.6+. Unfortunately, we do not support
your version of python: $("$PYTHON" -V 2>&1 | sed 's/python//gi').
If a version of Python suitable for using Rally is present in some
non-standard location, you can specify it from the command line by
running this script again with option '--python' followed by the path of
the correct 'python' binary.
__EOF__
fi
}
which_missing_packages () {
if [ ! -f bindep.txt ]; then
abort $EX_PROTOCOL \
"bindep.txt not found. Unable to find missing packages."
fi
require_command "bindep"
require_command "lsb_release"
echo "$(bindep -b | tr '\n' ' ')"
}
which_missing_commands () {
# These commands are required to run install_rally.sh
local missing=""
if ! have_command "wget"; then
missing="wget"
fi
if ! have_command "git"; then
missing="$missing git"
fi
if ! have_command "pip"; then
missing="$missing python-pip"
fi
echo "$missing"
}
# Download command
download() {
wget -nv $VERBOSE --no-check-certificate -O "$@";
}
get_pkg_manager () {
if have_command apt-get; then
# Debian/Ubuntu
if [ "$ASKCONFIRMATION" -eq 0 ]; then
pkg_manager="apt-get install --yes"
else
pkg_manager="apt-get install"
fi
elif have_command dnf; then
# dnf based RHEL/CentOS/Fedora
if [ "$ASKCONFIRMATION" -eq 0 ]; then
pkg_manager="dnf install -y"
else
pkg_manager="dnf install"
fi
elif have_command yum; then
# yum based RHEL/CentOS/Fedora
if [ "$ASKCONFIRMATION" -eq 0 ]; then
pkg_manager="yum install -y"
else
pkg_manager="yum install"
fi
elif have_command zypper; then
# SuSE
if [ "$ASKCONFIRMATION" -eq 0 ]; then
pkg_manager="zypper -n --no-gpg-checks --non-interactive install --auto-agree-with-licenses"
else
pkg_manager="zypper install"
fi
else
# MacOSX maybe?
echo "Cannot determine what package manager this system has, so I cannot check if requisite software is installed. I'm proceeding anyway, but you may run into errors later."
fi
echo $pkg_manager
}
install_required_sw () {
# instead of guessing which distribution this is, we check for the
# package manager name as it basically identifies the distro
local missing pkg_manager
missing=$1
pkg_manager=$(get_pkg_manager)
if [ -n "$missing" ]; then
cat <<__EOF__
The following software packages need to be installed
in order for Rally to work:$GREEN $missing
$NO_COLOR
__EOF__
# If we are root
if running_as_root; then
cat <<__EOF__
In order to install the required software you would need to run as
'root' the following command:
$GREEN
$pkg_manager $missing
$NO_COLOR
__EOF__
# ask if we have to install it
if ask_yn "Do you want me to install these packages for you?"; then
# install
if [[ "$missing" == *python-pip* ]]; then
missing=${missing//python-pip/}
if ! $pkg_manager python-pip; then
if ask_yn "Error installing python-pip. Install from external source?"; then
local pdir=$(mktemp /tmp/tmp.XXXXXXXXXX -d)
local getpip="$pdir/get-pip.py"
download "$getpip" https://bootstrap.pypa.io/get-pip.py
if ! "$PYTHON" "$getpip"; then
abort $EX_PROTOCOL "Error while installing python-pip from external source."
fi
else
abort $EX_TEMPFAIL \
"Please install python-pip manually."
fi
fi
fi
if [ -n "$missing" ] && ! $pkg_manager $missing; then
abort $EX_UNAVAILABLE "Error while installing $missing"
fi
# installation successful
else # don't want to install the packages
die $EX_UNAVAILABLE "missing software prerequisites" <<__EOF__
Please, install the required software before installing Rally
__EOF__
fi
else # Not running as root
cat <<__EOF__
There is a small chance that the required software
is actually installed though we failed to detect it,
so you may choose to proceed with Rally installation
anyway. Be warned however, that continuing is very
likely to fail!
__EOF__
if ask_yn "Proceed with installation anyway?"
then
echo "Proceeding with installation at your request... keep fingers crossed!"
else
die $EX_UNAVAILABLE "missing software prerequisites" <<__EOF__
Please ask your system administrator to install the missing packages,
or, if you have root access, you can do that by running the following
command from the 'root' account:
$GREEN
$pkg_manager $missing
$NO_COLOR
__EOF__
fi
fi
fi
}
install_db_connector () {
case $DBTYPE in
mysql)
pip install pymysql
;;
postgres)
pip install psycopg2
;;
esac
}
install_virtualenv () {
DESTDIR=$1
if [ -n "$VIRTUAL_ENV" ]; then
die $EX_SOFTWARE "Virtualenv already active" <<__EOF__
A virtual environment seems to be already active. This will cause
this script to FAIL.
Run 'deactivate', then run this script again.
__EOF__
fi
# Use the latest virtualenv that can use `.tar.gz` files
VIRTUALENV_DST="$DESTDIR/virtualenv-$VIRTUALENV_VERSION.py"
mkdir -p "$DESTDIR"
download "$VIRTUALENV_DST" "$VIRTUALENV_URL"
"$PYTHON" "$VIRTUALENV_DST" $VERBOSE --no-setuptools --no-pip --no-wheel \
-p "$PYTHON" "$DESTDIR"
cd "${DESTDIR}" && . bin/activate
download - https://bootstrap.pypa.io/get-pip.py | python -\
|| die $EX_PROTOCOL \
"Error while running get-pip.py" <<__EOF__
The required Python package pip could not be installed
in virtualenv.
__EOF__
pip install setuptools wheel || die $EX_PROTOCOL \
"Error while running 'pip install setuptools wheel'" <<__EOF__
The required Python package setuptools, wheel could not be installed
in virtualenv.
__EOF__
}
setup_rally_configuration () {
SRCDIR=$1
ETCDIR=$RALLY_CONFIGURATION_DIR
DBDIR=$RALLY_DATABASE_DIR
[ -d "$ETCDIR" ] || mkdir -p "$ETCDIR"
cp "$SRCDIR"/etc/rally/rally.conf.sample "$ETCDIR"/rally.conf
[ -d "$DBDIR" ] || mkdir -p "$DBDIR"
local CONF_TMPFILE=$(mktemp /tmp/tmp.XXXXXXXXXX)
sed "s|#connection *=.*|connection = \"$DBCONNSTRING\"|" "$ETCDIR"/rally.conf > "$CONF_TMPFILE"
cat "$CONF_TMPFILE" > "$ETCDIR"/rally.conf
rm "$CONF_TMPFILE"
rally-manage db recreate
}
rally_venv () {
echo "Installing Rally virtualenv in directory '$VENVDIR' ..."
CURRENT_ACTION="creating-venv"
if ! install_virtualenv "$VENVDIR"; then
die $EX_PROTOCOL "Unable to create a new virtualenv in '$VENVDIR': 'virtualenv.py' script exited with code $rc." <<__EOF__
The script was unable to create a valid virtual environment.
__EOF__
fi
CURRENT_ACTION="venv-created"
rc=0
}
### Main program ###
short_opts='d:vsyfrRhD:p:'
long_opts='target:,verbose,overwrite,recreate,no-recreate,system,yes,dbtype:,python:,db-user:,db-password:,db-host:,db-name:,help,url:,branch:,develop,no-color'
set +e
if [ "x$(getopt -T)" = 'x' ]; then
# GNU getopt
args=$(getopt --name "$PROG" --shell sh -l "$long_opts" -o "$short_opts" -- "$@")
if [ $? -ne 0 ]; then
abort 1 "Type '$PROG --help' to get usage information."
fi
# use 'eval' to remove getopt quoting
eval set -- "$args"
else
# old-style getopt, use compatibility syntax
args=$(getopt "$short_opts" "$@")
if [ $? -ne 0 ]; then
abort 1 "Type '$PROG -h' to get usage information."
fi
eval set -- "$args"
fi
set -e
# Command line parsing
while true
do
case "$1" in
-d|--target)
shift
VENVDIR=$(readlink -m "$1")
;;
-h|--help)
print_usage
exit $EX_OK
;;
-v|--verbose)
VERBOSE="-v"
;;
-s|--system)
USEVIRTUALENV="no"
;;
-f|--overwrite)
RECREATEDEST=yes
;;
-r|--recreate)
RECREATEDEST=yes
;;
-R|--no-recreate)
RECREATEDEST=no
;;
-y|--yes)
ASKCONFIRMATION=0
;;
--url)
shift
RALLY_GIT_URL=$1
;;
--branch)
shift
RALLY_GIT_BRANCH=$1
;;
-D|--dbtype)
shift
DBTYPE=$1
case $DBTYPE in
sqlite|mysql|postgres);;
*)
print_usage | die $EX_USAGE \
"An invalid option has been detected."
;;
esac
;;
--db-user)
shift
DBUSER=$1
;;
--db-password)
shift
DBPASSWORD=$1
;;
--db-host)
shift
DBHOST=$1
;;
--db-name)
shift
DBNAME=$1
;;
-p|--python)
shift
PYTHON=$1
;;
--develop)
DEVELOPMENT_MODE=true
;;
--no-color)
RED=""
GREEN=""
NO_COLOR=""
;;
--)
shift
break
;;
*)
print_usage | die $EX_USAGE "An invalid option has been detected."
esac
shift
done
### Post-processing ###
if [ "$USEVIRTUALENV" == "no" ] && [ -n "$VENVDIR" ]; then
die $EX_USAGE "Ambiguous arguments" <<__EOF__
Option -d/--target can not be used with --system.
__EOF__
fi
if running_as_root; then
if [ -z "$VENVDIR" ]; then
USEVIRTUALENV='no'
fi
else
if [ "$USEVIRTUALENV" == 'no' ]; then
die $EX_USAGE "Insufficient privileges" <<__EOF__
$REDRoot permissions required in order to install system-wide.
As non-root user you may only install in virtualenv.$NO_COLOR
__EOF__
fi
if [ -z "$VENVDIR" ]; then
VENVDIR="$HOME"/rally
fi
fi
# Fix RALLY_DATABASE_DIR if virtualenv is used
if [ "$USEVIRTUALENV" = 'yes' ]
then
RALLY_CONFIGURATION_DIR=$VENVDIR/etc/rally
RALLY_DATABASE_DIR="$VENVDIR"/database
fi
if [ "$DBTYPE" = 'sqlite' ]; then
if [ "${DBNAME:0:1}" = '/' ]; then
DBFILE="$DBNAME"
else
DBFILE="${RALLY_DATABASE_DIR}/${DBNAME}"
fi
DBCONNSTRING="sqlite:///${DBFILE}"
else
if [ -z "$DBUSER" -o -z "$DBPASSWORD" -o -z "$DBHOST" -o -z "$DBNAME" ]
then
die $EX_USAGE "Missing mandatory options" <<__EOF__
When specifying a database type different than 'sqlite', you also have
to specify the database name, host, and username and password of a
valid user with write access to the database.
Please, re-run the script with valid values for the options:
$GREEN
--db-host
--db-name
--db-user
--db-password$NO_COLOR
__EOF__
fi
DBAUTH="$DBUSER:$DBPASSWORD@$DBHOST"
if [ "$DBTYPE" = 'mysql' ]; then
DBCONNSTRING="$DBTYPE+pymysql://$DBAUTH/$DBNAME"
else
DBCONNSTRING="$DBTYPE://$DBAUTH/$DBNAME"
fi
fi
# check and install prerequisites
install_required_sw "$(which_missing_commands)"
require_python
# Install virtualenv, if required
if [ "$USEVIRTUALENV" = 'yes' ]; then
if [ -d "$VENVDIR" ]
then
if [ $RECREATEDEST = 'ask' ]; then
echo "Destination directory '$VENVDIR' already exists."
echo "I can wipe it out in order to make a new installation,"
echo "but this means any files in that directory, and the ones"
echo "underneath it will be deleted."
echo
if ! ask_yn "Do you want to wipe the installation directory '$VENVDIR'?"
then
echo "*Not* overwriting destination directory '$VENVDIR'."
RECREATEDEST=no
else
RECREATEDEST=yes
fi
fi
if [ $RECREATEDEST = 'yes' ];
then
echo "Removing directory $VENVDIR as requested."
rm $VERBOSE -rf "$VENVDIR"
rally_venv
elif [ $RECREATEDEST = 'no' ];
then
echo "Using existing virtualenv at $VENVDIR..."
. "$VENVDIR"/bin/activate
else
abort 66 "Internal error: unexpected value '$RECREATEDEST' for RECREATEDEST."
fi
else
rally_venv
fi
fi
# Install rally
ORIG_WD=$(pwd)
BASEDIR=$(dirname "$(readlink -e "$0")")
# If we are inside the git repo, don't download it again.
if [ -d "$BASEDIR"/.git ]
then
SOURCEDIR=$BASEDIR
(
cd "$BASEDIR"
if find . -name '*.py[co]' -exec rm -f {} +; then
echo "Wiped python compiled files."
else
echo "Warning! Unable to wipe python compiled files"
fi
)
else
if [ "$USEVIRTUALENV" = 'yes' ]
then
SOURCEDIR="$VENVDIR"/src
else
SOURCEDIR="$ORIG_WD"/rally.git
fi
if ! [ -d "$SOURCEDIR"/.git ]
then
echo "Downloading Rally from git repository $RALLY_GIT_URL ..."
CURRENT_ACTION="downloading-src"
git clone "$RALLY_GIT_URL" "$SOURCEDIR"
(
cd "$SOURCEDIR"
git checkout "$RALLY_GIT_BRANCH"
)
if ! [ -d "$SOURCEDIR"/.git ]; then
abort $EX_CANTCREAT "Unable to download git repository"
fi
CURRENT_ACTION="src-downloaded"
fi
fi
install_db_connector
# Install rally
cd "$SOURCEDIR"
# Get latest available pip and reset shell cache
pip install -i "$BASE_PIP_URL" -U 'pip!=8'
hash -r
# Install dependencies
pip install -i "$BASE_PIP_URL" pbr 'tox<=1.6.1' bindep
# Install binary dependencies
install_required_sw "$(which_missing_packages)"
# Uninstall possible previous version
pip uninstall -y rally || true
# Install rally
if [ "$DEVELOPMENT_MODE" = "true" ]; then
pip install -i "$BASE_PIP_URL" -e .
else
pip install -i "$BASE_PIP_URL" .
fi
cd "$ORIG_WD"
# Post-installation
if [ "$USEVIRTUALENV" = 'yes' ]
then
# Fix bash_completion
cat >> "$VENVDIR"/bin/activate <<__EOF__
. "$VENVDIR/etc/bash_completion.d/rally.bash_completion"
__EOF__
setup_rally_configuration "$SOURCEDIR"
if ! [ "$DEVELOPMENT_MODE" = "true" ]; then
SAMPLESDIR=$VENVDIR/samples
mkdir -p "$SAMPLESDIR"
cp -r "$SOURCEDIR"/samples/* "$SAMPLESDIR"/
fi
mkdir -p "$VENVDIR"/etc/bash_completion.d
install "$SOURCEDIR"/etc/rally.bash_completion \
"$VENVDIR"/etc/bash_completion.d/
cat <<__EOF__
$GREEN==============================
Installation of Rally is done!
==============================
$NO_COLOR
In order to work with Rally you have to enable the virtual environment
with the command:
. $VENVDIR/bin/activate
You need to run the above command on every new shell you open before
using Rally, but just once per session.
Information about your Rally installation:
* Method:$GREEN virtualenv$NO_COLOR
* Virtual Environment at:$GREEN $VENVDIR$NO_COLOR
* Database at:$GREEN $RALLY_DATABASE_DIR$NO_COLOR
* Configuration file at:$GREEN $RALLY_CONFIGURATION_DIR$NO_COLOR
* Samples at:$GREEN $SAMPLESDIR$NO_COLOR
__EOF__
else
setup_rally_configuration "$SOURCEDIR"
if ! [ "$DEVELOPMENT_MODE" = "true" ]; then
SAMPLESDIR=/usr/share/rally/samples
mkdir -p "$SAMPLESDIR"
cp -r "$SOURCEDIR"/samples/* "$SAMPLESDIR"/
fi
ln -s /usr/local/etc/bash_completion.d/rally.bash_completion \
/etc/bash_completion.d/ 2> /dev/null || true
if [ -f "${DBFILE}" ]; then
chmod 777 "$DBFILE"
fi
cat <<__EOF__
$GREEN==============================
Installation of Rally is done!
==============================
$NO_COLOR
Rally is now installed in your system. Information about your Rally
installation:
* Method:$GREEN system$NO_COLOR
* Database at:$GREEN $RALLY_DATABASE_DIR$NO_COLOR
* Configuration file at:$GREEN $RALLY_CONFIGURATION_DIR$NO_COLOR
* Samples at:$GREEN $SAMPLESDIR$NO_COLOR
__EOF__
fi
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