mirror of
https://github.com/valitydev/salt.git
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349 lines
11 KiB
Bash
Executable File
349 lines
11 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Name: build_shar.sh
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# Requires: python-virtualenv, gcc, gcc-c++, swig, sharutils, and the
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# develepment headers for both python and openssl
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#
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# This script will use GNU sharutils to build an installable shar archive, with
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# an install prefix of "/opt" (unless overridden with the '-p' option). This
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# has a couple uses:
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#
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# 1. Installing salt (by su'ing to root and running "sh /path/to/sharfile")
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# 2. To be used as a basis for creating your own salt rpm/deb.
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#
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# It will fetch libzmq and build it as a pyzmq extension.
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#
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# IMPORTANT: Unpacking the shar requires uudecode, which is distributed along
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# with sharutils. Thus, you should have sharutils installed on any host which
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# will need to unpack the shar archive.
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#
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# The script is capable of building a shar archive using several methods:
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#
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# 1. Using a custom pip requirements file
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# 2. Using an existing salt tarball (downloaded from PyPI)
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# 3. Specifying a version number (the script will fetch the requested version
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# from PyPI)
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#
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# Additionally, it is possible to specify a build_id which will be added to the
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# shar filename, useful for telling apart individual shars.
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#
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# By default, the script will download dependencies using pip, but the '-d'
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# option can be used to specify directory from which dependencies will be
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# sourced. Any missing dependencies will be retrieved with pip.
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#
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# It is strongly recommended to run this script on a machine which does not
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# have any of the Salt dependencies already installed, because if the script
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# detects that ZeroMQ is already installed, then pyzmq's setup.py will not
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# build a bundled ZeroMQ.
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#
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# Run the script with -h for usage details.
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#
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################################# FUNCTIONS ##################################
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function _timestamp {
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date "+%Y-%m-%d %H:%M:%S:"
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}
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function _log {
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timestamp=$(_timestamp)
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echo "$1" | sed "s/^/$(_timestamp) /" >>"$logfile"
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}
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# Both echo and log
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function _display {
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echo "$1"
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_log "$1"
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}
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function _error {
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msg="ERROR: $1"
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echo "$msg" 1>&2
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echo "$(_timestamp) $msg" >>"$logfile"
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echo "One or more errors found. See $logfile for details." 1>&2
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exit 1
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}
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function _tolower {
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echo "$1" | tr '[:upper:]' '[:lower:]'
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}
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function _find_tarball {
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target=$1
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location=$2
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_log "Looking for $target tarball in $location"
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# We're looking for a tarball starting with "$target-"
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len_target=`expr length "$target"`
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let len_target=${len_target}+1
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matches=()
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for filename in `ls "${location}"`
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do
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case "$filename" in
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*tar.*)
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filename_lower=$(_tolower "$filename")
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target_lower=$(_tolower "$target")
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if test ${filename_lower:0:${len_target}} == "${target_lower}-"; then
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matches=("${matches[@]}" "$filename")
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test ${#matches[@]} -gt 1 && _error "Ambiguous target \"${target}\""
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fi
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;;
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*) continue;;
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esac
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done
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match=${matches[0]}
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if test -n "$match"; then
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_log "$target tarball is ${matches[0]}"
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echo ${matches[0]}
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else
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_error "$target tarball was not found in $location"
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fi
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}
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function _requirements_str {
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test -n "$1" && echo "${srcdir}/${1}/requirements.txt" || _error 'Missing release string for _requirements_str'
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}
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function _get_requirements {
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if test -z "$requirements"; then
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if test -n "${salt_release}"; then
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# salt_release is only set at this point if -s was passed, in which
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# case the tarball has been unpacked already and we want to grab
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# the tarballs from its requirements.txt.
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requirements=$(_requirements_str "$salt_release")
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fi
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else
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# Custom requirements were passed via -r
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_display "Using custom requirements from $requirements"
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fi
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_display 'Grabbing source tarballs'
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if test -n "$requirements"; then
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# Either custom requirements were passed, or a salt tarball was
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# provided. Either way, we're going to be telling pip to download
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# tarballs using the instructions in the requirements.txt.
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output=`pip install $PIP_OPTS --download "$srcdir" --requirement "$requirements"`; return_code=$?
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else
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# Neither -r nor -s was specified. We are just downloading the current
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# version of salt from pip, and letting pip resolve dependencies rather
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# than providing them in a requirements.txt.
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#
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# If -v was provided, then pip will download the specified version,
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# otherwise this variable will be blank.
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output=`pip install $PIP_OPTS --download "$srcdir" "salt${version}"`; return_code=$?
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fi
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_log "$output"
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test "$return_code" -eq 0 || _error 'Failed to download tarballs. Aborting.'
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}
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function _unpack_salt_tarball {
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_display "Unpacking Salt tarball"
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if test -z "$salt_tarball"; then
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salt_tarball=$(_find_tarball salt "$srcdir")
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salt_release=${salt_tarball%%.tar*}
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fi
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cd "$srcdir"
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rm -rf "$salt_release"
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tar xf "$salt_tarball"
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test -z "$requirements" && requirements=$(_requirements_str "$salt_release")
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}
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function _usage {
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printf "USAGE: build_shar.sh [-i <build_id>] [-d <dependency_dir>] [-p <prefix>] [-r <requirements file> | -s <alternate salt tarball> | -v <version from pypi>]\n\n" 1>&2
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exit 2
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}
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#################################### MAIN ####################################
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# Set up logging
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orig_cwd="`pwd`"
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logfile="${orig_cwd}/install.`date +%Y%m%d%H%M%S`.log"
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echo "Install log location: $logfile"
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prefix='/opt'
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while getopts d:hi:p:r:s:v: opt; do
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case "$opt" in
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d)
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deps_dir=$OPTARG
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test -d "$deps_dir" || _error "Dependencies dir $deps_dir does not exist"
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;;
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i)
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build_id=$OPTARG;;
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p)
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prefix=$OPTARG;;
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r)
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requirements=$OPTARG
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test -f "$requirements" || _error "Requirements file $requirements does not exist"
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;;
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s)
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salt_tarball=$OPTARG
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test -f "$salt_tarball" || _error "Salt tarball $salt_tarball does not exist"
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;;
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v)
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version=$OPTARG
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;;
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*) _usage;;
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esac
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done
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case "$prefix" in
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/*) ;;
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*) _error "Prefix path must be absolute" ;;
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esac
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# Make sure that only one of -r/-s/-v was specified
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opt_count=0
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for opt in "$requirements" "$salt_tarball" "$version"; do
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test -n "$opt" && let opt_count=$opt_count+1
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done
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test $opt_count -ge 2 && _usage
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# If version was provided, prepend with "==" for later use in pip command
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test -n "$version" && version="==${version}"
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# Make needed directories
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srcdir="${orig_cwd}/src"
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pkgdir="${orig_cwd}/pkg"
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test -d "$srcdir" || mkdir "$srcdir"
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_log "Source directory: $srcdir"
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if test -d "$pkgdir"; then
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_log "Removing existing package directory $pkgdir"
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rm -rf "$pkgdir"
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fi
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_log "Creating package directory $pkgdir"
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mkdir "$pkgdir"
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# Make sure virtualenv is available
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test -z "$VIRTUALENV" && VIRTUALENV=`command -v virtualenv`
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test -z "$VIRTUALENV" && _error 'virtualenv not present'
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_display "virtualenv == $VIRTUALENV"
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if ! test -x "`command -v $VIRTUALENV`"; then
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_error "$VIRTUALENV is not executable"
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fi
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# Make sure we're using an up-to-date version of pip in the virtualenv, as
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# older pip versions have issues with pip install --download, silently not
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# downloading some tarballs.
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cd "$orig_cwd"
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venv_name=`mktemp -d venv.XXXXXX`
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venv_path="${orig_cwd}/${venv_name}"
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_display "Creating temp virtualenv at $venv_path"
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output=`"$VIRTUALENV" $venv_name`
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_log "$output"
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_display "Activating temp virtualenv"
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source "${venv_path}/bin/activate"
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_display "Updating pip in temp virtualenv"
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output=`pip install --upgrade pip`
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_log "$output"
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# Check if wheel is supported in current version of pip
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pip help install 2>/dev/null | egrep --quiet '(--)no-use-wheel' && PIP_OPTS='--no-use-wheel' || PIP_OPTS=''
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# Make sure swig is available
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test -z "$SWIG" && SWIG=`command -v swig`
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test -z "$SWIG" && _error 'swig not present'
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_display "swig == $SWIG"
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if ! test -x "`command -v $SWIG`"; then
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_error "$SWIG is not executable"
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fi
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# Make sure gcc, g++, and sharutils are available
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test -n "`command -v gcc`" && _display 'gcc found' || _error 'gcc not installed'
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test -n "`command -v g++`" && _display 'g++ found' || _error 'g++ not installed'
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test -n "`command -v shar`" && _display 'sharutils found' || _error 'sharutils not installed'
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INSTALL="python setup.py install --root=${pkgdir} --prefix=${prefix}"
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if test -n "$salt_tarball"; then
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cp "$salt_tarball" "$srcdir" || _error "Unable to copy salt tarball to $srcdir"
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salt_tarball=`basename "$salt_tarball"`
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salt_release=${salt_tarball%%.tar*}
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_unpack_salt_tarball
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_get_requirements
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else
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_get_requirements
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_unpack_salt_tarball
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fi
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_display "Deactivating temp virtualenv"
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deactivate
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_display "Destroying temp virtualenv at $venv_path"
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rm -rf "$venv_path"
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_display "Reading requirements from $requirements"
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deps=()
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for dep in `cat "$requirements" | awk '{print $1}'`; do
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test "$dep" == 'salt' && continue
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deps=("${deps[@]}" "$dep")
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done
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for dep in "${deps[@]}"; do
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_display "Dependency found: $dep"
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done
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# Install the deps
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for dep in "${deps[@]}"; do
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tarball=$(_find_tarball "$dep" "$srcdir")
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if test -n "$deps_dir"; then
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deps_dir_tarball=$(_find_tarball "$dep" "$deps_dir")
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if test -n "$deps_dir_tarball"; then
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_display "Using dependency tarball from $deps_dir for $dep"
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rm -f "$tarball"
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cp "${deps_dir}/${deps_dir_tarball}" "$srcdir"
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tarball="${deps_dir_tarball}"
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fi
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fi
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cd "$srcdir"
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src=${tarball%%.tar*}
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_display "Unpacking $src"
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rm -rf $src
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tar xf $tarball
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cd "$src"
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# Fetch libzmq so bundled build works on CentOS 5
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if test "${src:0:5}" == 'pyzmq'; then
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zeromq_spec="bundled/zeromq/zeromq.spec"
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if ! test -f "$zeromq_spec"; then
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_display "Fetching libzmq"
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output=`python setup.py fetch_libzmq 2>&1`; return_code=$?
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test "$return_code" -eq 0 || _error 'Failed to fetch libzmq. Aborting.'
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else
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_display "Bundled ZeroMQ detected"
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fi
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zeromq_version=`egrep '^Version' "$zeromq_spec" | awk '{print $2}'`
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_display "ZeroMQ version: $zeromq_version"
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fi
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_display "Installing $src"
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if test "${src:0:8}" == 'M2Crypto'; then
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arch=`uname -m`
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output=`env SWIG_FEATURES="-cpperraswarn -includeall -D__${arch}__ -I/usr/include/openssl" $INSTALL 2>&1`; return_code=$?
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else
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output=`$INSTALL 2>&1`; return_code=$?
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fi
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_log "$output"
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test "$return_code" -eq 0 || _error "Failed to install $src. Aborting."
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done
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# Install salt
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cd "${srcdir}/${salt_release}"
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_display "Installing $salt_release"
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output=`$INSTALL 2>&1`; return_code=$?
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_log "$output"
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test "$return_code" -eq 0 || _error "Failed to install $salt_release. Aborting."
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_log 'Compressing man pages'
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output=`find "${pkgdir}${prefix}/share/man" -type f -not -name '*.gz' -exec gzip {} \;`
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_log "$output"
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# Everything worked, make the shar
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test -n "$build_id" && build_id="-${build_id}"
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pkg="${orig_cwd}/${salt_release}${build_id}.shar"
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sharlog="${pkg}.log"
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_display "Packaging Salt... Destination: $pkg"
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_display "shar log will be written to $sharlog"
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cd "$pkgdir"
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shar ${prefix#/} >"$pkg" 2>"$sharlog"
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test "$?" -eq 0 || _error 'shar file build failed'
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# Done!
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_display "Build of $pkg complete! Nice!"
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