openstack-ansible/scripts/run-upgrade.sh
Jesse Pretorius 9220d5239f Tidy up upgrade scripts
There are currently references to Newton which should
be Ocata. I've tried to reduce the occurances of this
as much as possible to make it a little more
maintainable. Some of these things need a proper
rewrite to reduce this maintenance burden.

Change-Id: I47ea6258c10da4dbe4be99b6a8b9322c9530ed79
2017-03-09 13:53:29 +00:00

200 lines
6.9 KiB
Bash
Executable File

#!/usr/bin/env bash
# Copyright 2015, 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.
# NOTICE: To run this in an automated fashion run the script via
# root@HOSTNAME:/opt/openstack-ansible# echo "YES" | bash scripts/run-upgrade.sh
## Shell Opts ----------------------------------------------------------------
set -e -u -v
## Vars ----------------------------------------------------------------------
# The path from which this script is being run
export SCRIPTS_PATH="$(dirname "$(readlink -f "${0}")")"
# The git checkout root path
export MAIN_PATH="$(dirname "${SCRIPTS_PATH}")"
# The path to find all the upgrade playbooks
export UPGRADE_PLAYBOOKS="${SCRIPTS_PATH}/upgrade-utilities/playbooks"
# The toggle which guards against using this script prematurely
export I_REALLY_KNOW_WHAT_I_AM_DOING=${I_REALLY_KNOW_WHAT_I_AM_DOING:-"false"}
# The expected source series name
export SOURCE_SERIES="ocata"
# The expected target series name
export TARGET_SERIES="pike"
## Functions -----------------------------------------------------------------
function run_lock {
set +e
run_item="${RUN_TASKS[$1]}"
file_part="${run_item}"
# note(sigmavirus24): this handles tasks like:
# "-e 'rabbitmq_upgrade=true' setup-infrastructure.yml"
# "/tmp/fix_container_interfaces.yml || true"
# so we can get the appropriate basename for the upgrade_marker
for part in $run_item; do
if [[ "$part" == *.yml ]];then
file_part="$part"
break
fi
done
if [ ! -d "/etc/openstack_deploy/upgrade-${TARGET_SERIES}" ]; then
mkdir -p "/etc/openstack_deploy/upgrade-${TARGET_SERIES}"
fi
upgrade_marker_file=$(basename ${file_part} .yml)
upgrade_marker="/etc/openstack_deploy/upgrade-${TARGET_SERIES}/$upgrade_marker_file.complete"
if [ ! -f "$upgrade_marker" ];then
# 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 $2"
playbook_status="$?"
echo "ran $run_item"
if [ "$playbook_status" == "0" ];then
RUN_TASKS=("${RUN_TASKS[@]/$run_item}")
touch "$upgrade_marker"
echo "$run_item has been marked as success"
else
echo "******************** failure ********************"
echo "The upgrade script has encountered a failure."
echo "Failed on task \"$run_item\""
echo "Re-run the run-upgrade.sh script, or"
echo "execute the remaining tasks manually:"
# NOTE:
# List the remaining, incompleted tasks from the tasks array.
# Using seq to genertate a sequence which starts from the spot
# where previous exception or failures happened.
# run the tasks in order
for item in $(seq $1 $((${#RUN_TASKS[@]} - 1))); do
if [ -n "${RUN_TASKS[$item]}" ]; then
echo "openstack-ansible ${RUN_TASKS[$item]}"
fi
done
echo "******************** failure ********************"
exit 99
fi
else
RUN_TASKS=("${RUN_TASKS[@]/$run_item.*}")
fi
set -e
}
function check_for_current {
if [[ ! -d "/etc/openstack_deploy" ]]; then
echo "--------------ERROR--------------"
echo "/etc/openstack_deploy directory not found."
echo "It appears you do not have a current environment installed."
exit 2
fi
}
function pre_flight {
## Library Check -------------------------------------------------------------
info_block "Checking for required libraries." 2> /dev/null ||
source ${SCRIPTS_PATH}/scripts-library.sh
## Pre-flight Check ----------------------------------------------------------
# Clear the screen and make sure the user understands whats happening.
clear
# Notify the user.
echo -e "
This script will perform a ${SOURCE_SERIES^} to ${TARGET_SERIES^} upgrade.
Once you start the upgrade there's no going back.
Note that the upgrade targets impacting the data
plane as little as possible, but assumes that the
control plane can experience some down time.
Are you ready to perform this upgrade now?
"
# Confirm the user is ready to upgrade.
read -p 'Enter "YES" to continue or anything else to quit: ' UPGRADE
if [ "${UPGRADE}" == "YES" ]; then
echo "Running Upgrade from ${SOURCE_SERIES^} to ${TARGET_SERIES^}"
else
exit 99
fi
}
function exit_early {
echo -e "
The upgrade script is still under active development and should not be
run at this time. For test environments the early exit of the script can
skipped by executing ``export I_REALLY_KNOW_WHAT_I_AM_DOING=true`` before
``run-upgrade.sh``.
"
exit 99
}
## Main ----------------------------------------------------------------------
function main {
[[ "${I_REALLY_KNOW_WHAT_I_AM_DOING}" = true ]] || exit_early
pre_flight
check_for_current
"${SCRIPTS_PATH}/bootstrap-ansible.sh"
pushd ${MAIN_PATH}/playbooks
RUN_TASKS+=("${UPGRADE_PLAYBOOKS}/ansible_fact_cleanup.yml")
RUN_TASKS+=("${UPGRADE_PLAYBOOKS}/deploy-config-changes.yml")
RUN_TASKS+=("${UPGRADE_PLAYBOOKS}/user-secrets-adjustment.yml")
RUN_TASKS+=("${UPGRADE_PLAYBOOKS}/pip-conf-removal.yml")
# we don't want to trigger galera container restarts yet
RUN_TASKS+=("setup-hosts.yml --limit '!galera_all'")
# add new container config to galera containers but don't restart
RUN_TASKS+=("lxc-containers-create.yml -e 'lxc_container_allow_restarts=false' --limit galera_all")
RUN_TASKS+=("haproxy-install.yml")
# rebuild the repo servers
RUN_TASKS+=("repo-install.yml")
# explicitly perform mariadb upgrade
RUN_TASKS+=("galera-install.yml -e 'galera_upgrade=true'")
# explicitly perform controlled galera cluster restart
RUN_TASKS+=("${UPGRADE_PLAYBOOKS}/galera-cluster-rolling-restart.yml")
# individually run each of the remaining plays from setup-infrastructure
RUN_TASKS+=("unbound-install.yml")
RUN_TASKS+=("memcached-install.yml")
RUN_TASKS+=("rabbitmq-install.yml -e 'rabbitmq_upgrade=true'")
RUN_TASKS+=("etcd-install.yml")
RUN_TASKS+=("utility-install.yml")
RUN_TASKS+=("rsyslog-install.yml")
RUN_TASKS+=("${UPGRADE_PLAYBOOKS}/memcached-flush.yml")
RUN_TASKS+=("setup-openstack.yml")
# Run the tasks in order
for item in ${!RUN_TASKS[@]}; do
run_lock $item "${RUN_TASKS[$item]}"
done
popd
}
main