openstack-ansible-ops/leap-upgrades/lib/functions.sh

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#!/usr/bin/env 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.
## Functions -----------------------------------------------------------------
function notice {
echo -e "[+]\t\033[1;32m${1}\033[0m"
}
function warning {
echo -e "[-]\t\033[1;33m${1}\033[0m"
}
function failure {
echo -e '[!]'"\t\033[1;31m${1}\033[0m"
}
function debug {
if [[ $DEBUG == "TRUE" ]]; then
echo -e "${1}" >> $DEBUG_PATH
fi
}
function tag_leap_success {
notice "LEAP ${1} success"
touch "/opt/leap42/openstack-ansible-${1}.leap"
debug "LEAP ${1} marked as success"
}
function check_for_todolist {
if [[ -v UPGRADES_TO_TODOLIST ]]; then
notice "UPGRADES_TO_TODOLIST is set, continuing..."
else
notice "Please export UPGRADES_TO_TODOLIST variable before continuing"
notice "This variable is set via the prep.sh script and details the"
notice "incremental RELEASES that need to run for the leap."
notice ""
notice "example: export UPGRADES_TO_TODOLIST=\"MITAKA NEWTON\""
exit 99
fi
}
function check_for_release {
if [[ -v RELEASE ]]; then
notice "RELEASE is set, continuing..."
else
notice "Please export RELEASE variable before continuing"
notice "This variable reflects the release version being leaped"
notice "from. i.e. value of KILO_RELEASE, LIBERTY_RELEASE, etc."
notice ""
notice "example: export RELEASE=\"liberty-eol\""
exit 99
fi
}
function run_lock {
set +e
run_item="${RUN_TASKS[$1]}"
file_part="$(echo ${run_item} | cut -f 1 -d ' ' | xargs basename)"
other_args="$(echo ${run_item} | cut -f 2- -d ' ' -s | sed 's/[^[:alnum:]_]/-/g')"
debug "Run_lock on $run_item"
if [ ! -d "/etc/openstack_deploy/upgrade-leap" ]; then
mkdir -p "/etc/openstack_deploy/upgrade-leap"
fi
upgrade_marker_file=${file_part}${other_args}
upgrade_marker="/etc/openstack_deploy/upgrade-leap/$upgrade_marker_file.complete"
debug "Upgrade marker is $upgrade_marker"
if [ ! -f "$upgrade_marker" ];then
debug "Upgrade marker file not found for this run item."
debug "Will run openstack-ansible $2"
# note(sigmavirus24): use eval so that we properly turn strings like
# "/tmp/fix_container_interfaces.yml || true"
# into a command, otherwise we'll get an error that there's no playbook
# named ||
eval "openstack-ansible $2"
playbook_status="$?"
notice "Ran: $run_item"
if [ "$playbook_status" == "0" ];then
touch "${upgrade_marker}"
unset RUN_TASKS[$1]
notice "$run_item has been marked as success at ${upgrade_marker}"
else
FAILURES_LIST=$(seq $1 $((${#RUN_TASKS[@]})))
failure "******************** failure ********************"
failure "The upgrade script has encountered a failure."
failure "Failed on task \"$run_item\""
failure "Execute the remaining tasks manually:"
# NOTE:
# List the remaining, in-completed tasks from the tasks array.
# Using seq to generate a sequence which starts from the spot
# where previous exception or failures happened.
# run the tasks in order.
for item in ${FAILURES_LIST}; do
if [ -n "${RUN_TASKS[$item]}" ]; then
warning "openstack-ansible ${RUN_TASKS[$item]}"
fi
done
failure "******************** failure ********************"
exit 99
fi
else
debug "Upgrade marker file found for this run item."
RUN_TASKS=("${RUN_TASKS[@]/$run_item.*}")
fi
set -e
}
function bootstrap_recent_ansible {
# This ensures that old ansible will be removed
# and that we have a recent enough Ansible version for:
# - the variable upgrades
# - the db migrations
# - the host upgrade
# - the neutron container forget
# - the re deploy, if there was no hook that
# redeployed ansible
if [[ -d "/opt/ansible-runtime" ]]; then
rm -rf "/opt/ansible-runtime"
else
# There are several points in time where pip may have been busted or creating dist-info
# directories incorrectly. This command simply mops those bits up when the
# ansible-runtime venv does not exist.
find /usr/local/lib/python2.7/dist-packages -name '*.dist-info' -exec rm -rf {} \; || true
fi
# If there's a pip.conf file, move it out of the way
if [[ -f "${HOME}/.pip/pip.conf" ]]; then
mv "${HOME}/.pip/pip.conf" "${HOME}/.pip/pip.conf.original"
fi
# If ansible is already installed, uninstall it.
while pip uninstall -y ansible > /dev/null; do
notice "Removed System installed Ansible"
done
pushd /opt/openstack-ansible
# Install ansible for system migrations
scripts/bootstrap-ansible.sh
popd
}
function resume_incomplete_leap {
echo
notice "Detected previous leap attempt to ${CODE_UPGRADE_FROM}."
notice 'Would you like to reattempt this leap upgrade?'
read -p 'Enter "YES" to continue:' RUSURE
if [[ "${RUSURE}" != "YES" ]]; then
notice "Quitting..."
exit 99
fi
}
function validate_upgrade_input {
echo
warning "Please enter the source series to upgrade from."
notice "JUNO, KILO or LIBERTY"
read -p 'Enter "JUNO", "KILO", or "LIBERTY" to continue: ' UPGRADE_FROM
export INPUT_UPGRADE_FROM=${UPGRADE_FROM}
if [[ ${INPUT_UPGRADE_FROM} == ${CODE_UPGRADE_FROM} ]]; then
notice "Running LEAP Upgrade from ${CODE_UPGRADE_FROM} to NEWTON"
else
notice "Asking to upgrade a ${INPUT_UPGRADE_FROM}, but code is to ${CODE_UPGRADE_FROM}"
read -p 'Are you sure? Enter "YES" to continue:' RUSURE
if [[ "${RUSURE}" != "YES" ]]; then
notice "Quitting..."
exit 99
fi
# We should let the user decide if he passes through the checks
export CODE_UPGRADE_FROM=${INPUT_UPGRADE_FROM}
fi
}
function discover_code_version {
# If there is no release file present, then try to find one
# from the infra node.
if [[ ! -f "/etc/openstack-release" && ! -f "/etc/rpc-release" ]]; then
get_openstack_release_file
fi
if [[ ! -f "/etc/openstack-release" && ! -f "/etc/rpc-release" ]]; then
failure "No release file could be found."
exit 99
elif [[ ! -f "/etc/openstack-release" && -f "/etc/rpc-release" ]]; then
export CODE_UPGRADE_FROM="JUNO"
notice "You seem to be running Juno"
else
source /etc/openstack-release
case "${DISTRIB_RELEASE%%.*}" in
*11)
export CODE_UPGRADE_FROM="KILO"
notice "You seem to be running Kilo"
;;
*12)
export CODE_UPGRADE_FROM="LIBERTY"
notice "You seem to be running Liberty"
;;
*13)
export CODE_UPGRADE_FROM="MITAKA"
notice "You seem to be running Mitaka"
;;
*14)
export CODE_UPGRADE_FROM="NEWTON"
notice "You seem to be running Newton"
;;
esac
fi
}
function get_openstack_release_file {
notice "Getting openstack release file from infra1 if it exists"
# Get openstack_user_config.yml file path
USER_CONFIG_FILE=$(find /etc/ -name '*_user_config.yml' -o -name 'os-infra_hosts.yml')
# Get IP of os_infra node
INFRA_IP=$(sed -n -e '/^#/d' -e '/infra_hosts/, /ip:/ p' ${USER_CONFIG_FILE} | awk '/ip:/ {print $2; exit}')
if [[ -z "${INFRA_IP}" ]]; then
failure "Could not find infra ip to get openstack-release file. Exiting.."
exit 99
fi
# Get the release file from the infra node.
set +e
errmsg=$(scp -o StrictHostKeyChecking=no root@${INFRA_IP}:/etc/openstack-release /etc/openstack-release 2>&1)
if [[ $? -ne 0 ]]; then
if echo "${errmsg}" | grep -v 'scp: /etc/openstack-release: No such file or directory'; then
failure "Fetching '/etc/openstack-release' failed with the error '${errmsg}'"
exit 99
fi
notice "An error occurred trying to scp the /etc/openstack-release file from the infra node, checking for /etc/rpc-release..."
scp -o StrictHostKeyChecking=no root@${INFRA_IP}:/etc/rpc-release /etc/rpc-release
if [[ $? -ne 0 ]]; then
notice "An error occurred trying to scp the /etc/rpc-release file from the infra node. Could not find release file. Exiting."
exit 99
fi
fi
set -e
}
function set_upgrade_vars {
notice "Setting up vars for the LEAP"
case "${CODE_UPGRADE_FROM}" in
JUNO)
export RELEASE="${JUNO_RELEASE}"
export UPGRADES_TO_TODOLIST="KILO LIBERTY MITAKA NEWTON"
export ANSIBLE_INVENTORY="/opt/leap42/openstack-ansible-${RELEASE}/rpc_deployment/inventory"
export CONFIG_DIR="/etc/rpc_deploy"
;;
KILO)
export RELEASE="${KILO_RELEASE}"
export UPGRADES_TO_TODOLIST="LIBERTY MITAKA NEWTON"
export ANSIBLE_INVENTORY="/opt/leap42/openstack-ansible-${RELEASE}/playbooks/inventory"
export CONFIG_DIR="/etc/openstack_deploy"
;;
LIBERTY)
export RELEASE="${LIBERTY_RELEASE}"
export UPGRADES_TO_TODOLIST="MITAKA NEWTON"
export ANSIBLE_INVENTORY="/opt/leap42/openstack-ansible-${RELEASE}/playbooks/inventory"
export CONFIG_DIR="/etc/openstack_deploy"
;;
MITAKA)
export RELEASE="${MITAKA_RELEASE}"
export UPGRADES_TO_TODOLIST="NEWTON"
export ANSIBLE_INVENTORY="/opt/leap42/openstack-ansible-${RELEASE}/playbooks/inventory"
export CONFIG_DIR="/etc/openstack_deploy"
;;
NEWTON)
export RELEASE="${NEWTON_RELEASE}"
export UPGRADES_TO_TODOLIST=""
export ANSIBLE_INVENTORY="/opt/leap42/openstack-ansible-${RELEASE}/playbooks/inventory"
export CONFIG_DIR="/etc/openstack_deploy"
;;
*)
warning "The option CODE_UPGRADE_FROM is set to \"${CODE_UPGRADE_FROM}\""
failure "No CODE_UPGRADE_FROM match found. Please set CODE_UPGRADE_FROM before continuing."
exit 99
;;
esac
# Do not forget to export the TODOLIST if you run the scripts one by one.
warning "export UPGRADES_TO_TODOLIST=\"${UPGRADES_TO_TODOLIST}\""
}
function pre_flight {
## Pre-flight Check ----------------------------------------------------------
# Clear the screen and make sure the user understands whats happening.
clear
# Notify the user.
warning "This script will perform a LEAP upgrade to Newton."
warning "Once you start the upgrade there's no going back."
warning "**Note, this is an OFFLINE upgrade**"
notice "If you want to run the upgrade in parts please exit this script to do so."
warning "Are you ready to perform this upgrade now?"
# Confirm the user is ready to upgrade.
if [[ "${VALIDATE_UPGRADE_INPUT}" == "TRUE" ]]; then
read -p 'Enter "YES" to continue or anything else to quit: ' UPGRADE
if [ "${UPGRADE}" == "YES" ]; then
notice "Running LEAP Upgrade"
else
notice "Exiting, input wasn't YES"
exit 99
fi
fi
if [[ ! -n "${CODE_UPGRADE_FROM}" ]]; then
discover_code_version
fi
set_upgrade_vars
if [[ -f "${CONFIG_DIR}/upgrade-leap/redeploy-started.complete" && ! -f "${CONFIG_DIR}/upgrade-leap/osa-leap.complete" ]]; then
warning "Redeploy of ${CODE_UPGRADE_FROM} started but did not complete..."
resume_incomplete_leap
elif [[ -f "/opt/leap42/openstack-ansible-upgrade-hostupgrade.leap" ]] ; then
warning "Current code deployed is ${CODE_UPGRADE_FROM}"
warning "and it appears the leap process was interrupted after"
warning "starting the deployment of ${CODE_UPGRADE_FROM}."
resume_incomplete_leap
elif [ "${VALIDATE_UPGRADE_INPUT}" == "TRUE" ]; then
validate_upgrade_input
fi
mkdir -p /opt/leap42/venvs
# If the lxc backend store was not set halt and instruct the user to set it. In Juno we did more to detect the backend storage
# size than we do in later releases. While the auto-detection should still work it's best to have the deployer set the value
# desired before moving forward.
if ! grep -qwrn "^lxc_container_backing_store" $CONFIG_DIR; then
failure "ERROR: 'lxc_container_backing_store' is unset leading to an ambiguous container backend store."
failure "Before continuing please set the 'lxc_container_backing_store' in your user_variables.yml file."
failure "Valid options are 'dir', 'lvm', and 'overlayfs'".
exit 99
fi
if ! grep -qwrn "^neutron_legacy_ha_tool_enabled" $CONFIG_DIR; then
failure "ERROR: 'neutron_legacy_ha_tool_enabled' is unset leading to an ambiguous l3ha handling."
failure "Before continuing please set the 'neutron_legacy_ha_tool_enabled' in your user_variables.yml file."
exit 99
fi
if [[ ! -f /opt/leap42/rebootstrap-ansible ]]; then
# Don't run this over and over again if the variables above are not set!
pushd /opt/leap42
# Using this lookup plugin because it allows us to compile exact service releaes and build a complete venv from it
wget https://raw.githubusercontent.com/openstack/openstack-ansible-plugins/e069d558b3d6ae8fc505d406b13a3fb66201a9c7/lookup/py_pkgs.py -O py_pkgs.py
chmod +x py_pkgs.py
popd
# Upgrade pip if it's needed. This will re-install pip using the constraints
if dpkg --compare-versions "$(pip --version | awk '{print $2}')" "lt" "9.0.1"; then
wget https://raw.githubusercontent.com/pypa/get-pip/430ba37776ae2ad89f794c7a43b90dc23bac334c/get-pip.py -O /opt/get-pip.py
rm -rf /usr/local/lib/python2.7/dist-packages/{setuptools,wheel,pip,distutils,packaging}*
python /opt/get-pip.py --constraint "${SYSTEM_PATH}/lib/upgrade-requirements.txt" --force-reinstall --upgrade --isolated
fi
# Ensure all of the required packages are installed
pip install --requirement "${SYSTEM_PATH}/lib/upgrade-requirements.txt" --upgrade --isolated
if [[ -d "/opt/ansible-runtime" ]]; then
rm -rf "/opt/ansible-runtime"
fi
virtualenv /opt/ansible-runtime
PS1="\\u@\h \\W]\\$" . "/opt/ansible-runtime/bin/activate"
pip install "ansible==1.9.3" "netaddr>=0.7.12,<=0.7.13" --force-reinstall --upgrade --isolated
deactivate
touch /opt/leap42/rebootstrap-ansible
fi
}
function run_items {
### Run system upgrade processes
pushd "$1"
if [[ -e "playbooks" ]]; then
PB_DIR="playbooks"
elif [[ -e "rpc_deployment" ]]; then
PB_DIR="rpc_deployment"
else
failure "No known playbook directory found"
exit 99
fi
# Before running anything execute inventory to ensure functionality
if [[ -f "${PB_DIR}/inventory/dynamic_inventory.py" ]]; then
python "${PB_DIR}/inventory/dynamic_inventory.py" > /dev/null
fi
pushd ${PB_DIR}
# Run the tasks in order
for item in ${!RUN_TASKS[@]}; do
debug "Run_items of ${item}: ${RUN_TASKS[$item]}. Starting run_lock"
run_lock $item "${RUN_TASKS[$item]}"
done
popd
popd
}
function clone_release {
# If the git directory is not present clone the source into place at the given directory
if [[ ! -d "/opt/leap42/openstack-ansible-base/.git" ]]; then
git clone https://git.openstack.org/openstack/openstack-ansible "/opt/leap42/openstack-ansible-base"
fi
# The clone release function clones everything from upstream into the leap42 directory as needed.
if [[ ! -d "/opt/leap42/openstack-ansible-$1" ]]; then
cp -R "/opt/leap42/openstack-ansible-base" "/opt/leap42/openstack-ansible-$1"
fi
# Once cloned the method will perform a checkout of the branch, tag, or commit.
# Enter the clone directory and checkout the given branch, If the given checkout has an
# "ignore-changes.marker" file present the checkout will be skipped.
pushd "/opt/leap42/openstack-ansible-$1"
if [[ ! -f "ignore-changes.marker" ]]; then
git clean -qfdx
git fetch --all
git checkout "$1"
fi
popd
}
function link_release {
### Because there are multiple releases that we'll need to run through to get the system up-to-date
### and because the "/opt/openstack-ansible" dir must exist, this function will move any existing
### "/opt/openstack-ansible" dir to a backup dir and then link our multiple releases into the
### standard repository dir as needed.
if [[ -d "/opt/openstack-ansible" ]]; then
mv "/opt/openstack-ansible" "/opt/openstack-ansible.bak"
fi
if [[ ! -d "$1" ]]; then
failure "Make sure the target "$1" exists. "
exit 99
fi
ln -sf "$1" "/opt/openstack-ansible"
}
function run_venv_prep {
# If the ansible-playbook command is not found this will bootstrap the system
if ! which ansible-playbook; then
pushd "/opt/leap42/openstack-ansible-$1"
bash scripts/bootstrap-ansible.sh # install ansible because it's not currently ready
popd
fi
if [[ -e "/etc/rpc_deploy" ]]; then
PB_DIR="/opt/leap42/openstack-ansible-${JUNO_RELEASE}/rpc_deployment"
else
PB_DIR="/opt/leap42/openstack-ansible-${RELEASE}/playbooks"
fi
pushd "${PB_DIR}"
openstack-ansible "${UPGRADE_UTILS}/venv-prep.yml" -e "venv_tar_location=/opt/leap42/venvs/openstack-ansible-$1.tgz"
popd
}
function build_venv {
# Building venv requires to be able to install liberasurecode-dev for swift.
# It should be found in backports or UCA.
apt-get update > /dev/null
# Install liberasurecode-dev which will be used in the venv creation process
if ! apt-cache search liberasurecode-dev | grep liberasurecode-dev; then
failure "Can't install liberasurecode-dev. Enable trusty backports or UCA on this host."
exit 99
fi
apt-get -y install liberasurecode-dev > /dev/null
# Install libmysqlclient-dev so that we are later able to build mysql-python
# Allow libmariadbclient-dev to be used instead
if apt --installed list | grep libmariadbclient; then
apt-get -y install libmariadbclient-dev > /dev/null
else
apt-get -y install libmysqlclient-dev > /dev/null
fi
# install ldap and sasl headers for pyldap (or ldap-python)
apt-get -y install libldap2-dev libsasl2-dev libxml2-dev libxslt1-dev
### The venv build is done using a modern version of the py_pkgs plugin which collects all versions of
### the OpenStack components from a given release. This creates 1 large venv per migratory release.
# If the venv archive exists delete it.
if [[ ! -f "/opt/leap42/venvs/openstack-ansible-$1.tgz" ]]; then
# Create venv
virtualenv --never-download --always-copy "/opt/leap42/venvs/openstack-ansible-$1"
PS1="\\u@\h \\W]\\$" . "/opt/leap42/venvs/openstack-ansible-$1/bin/activate"
pip install --upgrade --isolated --force-reinstall
# Modern Ansible is needed to run the package lookups
pip install --isolated "ansible==2.1.1.0" "mysql-python" "vine" "pymysql"
# Get package dump from the OSA release
PKG_DUMP=$(python /opt/leap42/py_pkgs.py /opt/leap42/openstack-ansible-$1/playbooks/defaults/repo_packages)
PACKAGES=$(python <<EOC
import json
packages = json.loads("""$PKG_DUMP""")
remote_packages = packages[0]['remote_packages']
print(' '.join([i for i in remote_packages if 'openstack' in i and 'tempest' not in i]))
EOC)
REQUIREMENTS=($(python <<EOC
import json
packages = json.loads("""$PKG_DUMP""")
remote_package_parts = packages[0]['remote_package_parts']
requirements = filter(lambda package: package['name'] == 'requirements', remote_package_parts)
print(requirements[0]['url'])
print(requirements[0]['version'])
EOC))
git clone ${REQUIREMENTS[0]} "/opt/leap42/openstack-ansible-$1/requirements"
pushd "/opt/leap42/openstack-ansible-$1/requirements"
git checkout ${REQUIREMENTS[1]}
popd
pip install --isolated $PACKAGES --constraint "/opt/leap42/openstack-ansible-$1/requirements/upper-constraints.txt"
deactivate
# Create venv archive
pushd /opt/leap42/venvs
find "openstack-ansible-$1" -name '*.pyc' -exec rm {} \;
tar -czf "openstack-ansible-$1.tgz" "openstack-ansible-$1"
popd
else
notice "The venv \"/opt/leap42/venvs/openstack-ansible-$1.tgz\" already exists. If you need to recreate this venv, delete it."
fi
run_venv_prep "$1"
}
function get_venv {
# Attempt to prefetch a venv archive before building it.
if ! wget "${VENV_URL}/openstack-ansible-$1.tgz" -O "/opt/leap42/venvs/openstack-ansible-$1.tgz"; then
rm "/opt/leap42/venvs/openstack-ansible-$1.tgz"
build_venv "$1"
else
run_venv_prep "$1"
fi
}