Created
March 28, 2018 07:33
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#!/bin/bash | |
# Copyright 2017, Rackspace US, Inc. | |
# | |
# Licensed under the Apache License, Version 2.0 (the "License"); | |
# you may not use this file except in compliance with the License. | |
# You may obtain a copy of the License at | |
# | |
# http://www.apache.org/licenses/LICENSE-2.0 | |
# | |
# Unless required by applicable law or agreed to in writing, software | |
# distributed under the License is distributed on an "AS IS" BASIS, | |
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
# See the License for the specific language governing permissions and | |
# limitations under the License. | |
## Shell Opts ---------------------------------------------------------------- | |
set -e | |
## Variables ----------------------------------------------------------------- | |
# The options file for the venv | |
ROLE_VENV_REQUIREMENTS_FILE="${1}" | |
## Functions ----------------------------------------------------------------- | |
usage() { | |
cat <<EOF | |
Usage: | |
${0} <path to configuration options file> | |
EOF | |
} | |
## Main ---------------------------------------------------------------------- | |
# Validate that an options file as been provided | |
if [[ -z "${ROLE_VENV_REQUIREMENTS_FILE}" ]]; then | |
usage | |
exit 1 | |
fi | |
# Source the options file | |
source "${ROLE_VENV_REQUIREMENTS_FILE}" | |
# Output the beginning of the build | |
echo -n "Building venv ${ROLE_VENV_FILE}..." | |
# Set the log file path | |
ROLE_VENV_LOG="/var/log/repo/venv_build_${ROLE_VENV_FILE}.log" | |
# Begin the venv build | |
pushd "/var/www/repo/venvs/17.0.0/ubuntu-16.04-x86_64" &>/dev/null | |
# If the venv achive already exists, remove it | |
[[ -e "${ROLE_VENV_FILE}.tgz" ]] && rm -f "${ROLE_VENV_FILE}.tgz" | |
# If the venv checksum file already exists, remove it | |
[[ -e "${ROLE_VENV_FILE}.checksum" ]] && rm -f "${ROLE_VENV_FILE}.checksum" | |
# If the venv working directory already exists, remove it | |
[[ -d "${ROLE_VENV_PATH}" ]] && rm -rf "${ROLE_VENV_PATH}" | |
# If the pip build directory already exists, remove it | |
[[ -d "/tmp/${ROLE_VENV_FILE}" ]] && rm -rf "/tmp/${ROLE_VENV_FILE}" | |
# Create the virtualenv shell | |
${VENV_CREATE_COMMAND} "${ROLE_VENV_PATH}" &>${ROLE_VENV_LOG} | |
# Create the pip build directory | |
mkdir -p "/tmp/${ROLE_VENV_FILE}" | |
# Activate the python virtual environment for good measure | |
source "${ROLE_VENV_PATH}/bin/activate" | |
# Install pip, setuptools, wheel into it | |
# Rather than allow virtualenv to decide which version | |
# of pip/setuptools/wheel we use, we create the virtualenv | |
# without them and use get-pip.py later to install them | |
# into the venv. This prevents messy upgrade/downgrade | |
# failures when trying to install the versions we want. | |
# We also inform get-pip.py using the --find-links option | |
# that there are local wheels available so that it uses | |
# them instead of reaching out to the internet unnecessarily. | |
${ROLE_VENV_PATH}/bin/python /var/www/repo/os-releases/17.0.0/ubuntu-16.04-x86_64/get-pip.py \ | |
pip setuptools wheel \ | |
--find-links /var/www/repo/os-releases/17.0.0/ubuntu-16.04-x86_64 \ | |
${PIP_INSTALL_OPTIONS} &>${ROLE_VENV_LOG} | |
# Install the packages into the venv | |
${ROLE_VENV_PATH}/bin/pip install \ | |
--disable-pip-version-check \ | |
--quiet --quiet \ | |
--build "/tmp/${ROLE_VENV_FILE}" \ | |
${PIP_INSTALL_OPTIONS} \ | |
${PIP_INDEX_OPTIONS} \ | |
${ROLE_VENV_REQUIREMENTS} \ | |
--log "${ROLE_VENV_LOG}" | |
# Deactivate the venv for good measure | |
deactivate | |
# Find and remove all of the python pyc files | |
find "${ROLE_VENV_PATH}" -type f -name '*.pyc' -delete 2>>${ROLE_VENV_LOG} | |
# Create the archive | |
tar czf "${ROLE_VENV_FILE}.tgz" -C "${ROLE_VENV_PATH}" . 2>>${ROLE_VENV_LOG} | |
# Create a checksum file for the archive | |
sha1sum "${ROLE_VENV_FILE}.tgz" | awk '{print $1}' > "${ROLE_VENV_FILE}.checksum" 2>>${ROLE_VENV_LOG} | |
# Delete working directories | |
rm -rf "${ROLE_VENV_PATH}" | |
rm -rf "/tmp/${ROLE_VENV_FILE}" | |
popd &>/dev/null | |
# Output the end of the build | |
echo "done" | |
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