Adds a bash script that operators will use during upgrades
Part of the upgrades workflow requires that operators will update the non controller nodes by invoking an upgrade script. This adds a utility bash script for this purpose. The ability to deliver a custom upgrade script is allowed with a --script override. This is delivered to the node before the upgrade is invoked. Change-Id: I06826c7c8b5515208a5883d6c99016101b302cd6
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marios
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4f26109a40
commit
1667957c7b
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#!/bin/bash
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#set -x
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# Copyright 2016 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# Utility script that will be invoked by the operator as part of the documented
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# tripleo upgrades workflow at [FIXME(marios): update this].
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# In short the upgrade scripts are delivered to the non-controller nodes as
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# part of the automated (heat delivered) controller upgrade. These are then
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# invoked from this script by the operator. See -h for options.
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#
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set -eu
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set -o pipefail
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SCRIPT_NAME=$(basename $0)
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#can make the upgrade script overridable (if a different target will be used)
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UPGRADE_SCRIPT=${UPGRADE_SCRIPT:-/root/tripleo_upgrade_node.sh}
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UPGRADE_NODE=""
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QUERY_NODE=""
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SCRIPT=""
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function show_options {
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echo "Usage: $SCRIPT_NAME"
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echo
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echo "Options:"
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echo " -h, --help -- print this help."
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echo " --upgrade <nova node> -- nova node name or id to upgrade"
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echo " --script <absolute_path> -- absolute path to the script you wish"
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echo " to use for the upgrade"
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echo " --query <nova node> -- determine upgrade status on node"
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echo
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echo "Invoke the tripleo upgrade script on non controller nodes as part of"
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echo " the tripleo upgrade workflow."
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echo
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exit $1
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}
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TEMP=`getopt -o h -l help,upgrade:,query:,script: -n $SCRIPT_NAME -- "$@"`
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if [ $? != 0 ]; then
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echo "Terminating..." >&2
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exit 1
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fi
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# Note the quotes around `$TEMP': they are essential!
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eval set -- "$TEMP"
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while true ; do
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case "$1" in
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--help) show_options 0 >&2;;
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--upgrade) UPGRADE_NODE="$2" ; shift 2 ;;
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--script) SCRIPT="$2"; shift 2 ;;
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--query) QUERY_NODE="$2" ; shift 2 ;;
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--) shift ; break ;;
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*) echo "Error: unsupported option $1." ; exit 1 ;;
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esac
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done
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function log {
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echo "`date` $SCRIPT_NAME $1"
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}
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function find_nova_node_by_name_or_id {
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name_or_id=$1
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node_status=$(nova show $name_or_id | grep status | awk '{print $4}')
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if ! [[ $node_status == "ACTIVE" ]]; then
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log "ERROR: node $name_or_id not found to be ACTIVE. Current status is $node_status"
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exit 1
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fi
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log "nova node $name_or_id found with status $node_status"
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}
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function confirm_script_on_node {
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name_or_id=$1
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node_ip=$(nova show $name_or_id | grep "ctlplane network" | awk '{print $5}')
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log "checking for upgrade script $UPGRADE_SCRIPT on node $name_or_id ($node_ip)"
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results=$(ssh heat-admin@$node_ip "sudo ls -l $UPGRADE_SCRIPT")
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log "upgrade script $UPGRADE_SCRIPT found on node $name_or_id ($node_ip)"
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}
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function deliver_script {
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script=$1
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node=$2
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node_ip=$(nova show $node | grep "ctlplane network" | awk '{print $5}')
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file_name=$(echo ${script##*/})
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log "Sending upgrade script $script to $node_ip"
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scp $script heat-admin@$node_ip:/home/heat-admin/$file_name
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log "Copying upgrade script to right location and setting permissions"
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ssh heat-admin@$node_ip "sudo cp /home/heat-admin/$file_name $UPGRADE_SCRIPT ; \
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sudo chmod 755 $UPGRADE_SCRIPT ; "
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}
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if [ -n "$UPGRADE_NODE" ]; then
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find_nova_node_by_name_or_id $UPGRADE_NODE
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if [ -n "$SCRIPT" ]; then
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deliver_script $SCRIPT $UPGRADE_NODE
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fi
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confirm_script_on_node $UPGRADE_NODE
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node_ip=$(nova show $UPGRADE_NODE | grep "ctlplane network" | awk '{print $5}')
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log "Executing $UPGRADE_SCRIPT on $node_ip"
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ssh heat-admin@$node_ip sudo $UPGRADE_SCRIPT
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fi
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if [ -n "$QUERY_NODE" ]; then
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# query for status, can remove this for simplicity
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find_nova_node_by_name_or_id $QUERY_NODE
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node_ip=$(nova show $QUERY_NODE | grep "ctlplane network" | awk '{print $5}')
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ssh heat-admin@$node_ip "sudo journalctl -n 1000 | grep tripleo-upgrade"
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fi
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