| #!/bin/bash |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| |
| PID=$$ |
| |
| if [ $# -ne 4 ] |
| then |
| echo "This tool is for downgrading replicas of specified node." |
| echo "USAGE: $0 <cluster-meta-list> <node> <app-name> <run|test>" |
| echo " app-name = * means migrate all apps" |
| exit 1 |
| fi |
| |
| pwd="$( cd "$( dirname "$0" )" && pwd )" |
| shell_dir="$( cd $pwd/.. && pwd )" |
| cd $shell_dir |
| |
| cluster=$1 |
| node=$2 |
| app_name=$3 |
| type=$4 |
| |
| if [ "$type" != "run" -a "$type" != "test" ] |
| then |
| echo "ERROR: invalid type: $type" |
| echo "USAGE: $0 <cluster-meta-list> <node> <app-name> <run|test>" |
| exit 1 |
| fi |
| |
| echo "UID=$UID" |
| echo "PID=$PID" |
| echo |
| |
| echo "set_meta_level steady" | ./run.sh shell --cluster $cluster &>/tmp/$UID.$PID.pegasus.set_meta_level |
| |
| echo ls | ./run.sh shell --cluster $cluster &>/tmp/$UID.$PID.pegasus.ls |
| |
| while read app_line |
| do |
| status=`echo $app_line | awk '{print $2}'` |
| if [ "$status" = "AVAILABLE" ] |
| then |
| gid=`echo $app_line | awk '{print $1}'` |
| app=`echo $app_line | awk '{print $3}'` |
| if [ "$app_name" != "*" -a "$app_name" != "$app" ] |
| then |
| continue |
| fi |
| |
| echo "app $app -d" | ./run.sh shell --cluster $cluster &>/tmp/$UID.$PID.pegasus.app.$app |
| |
| while read line |
| do |
| sec=`echo $line | awk '{print $5}' | grep -o '\[.*\]' | grep -o '[0-9.:,]*'` |
| if echo $sec | grep -q "$node" |
| then |
| pid=`echo $line | awk '{print $1}'` |
| pri=`echo $line | awk '{print $4}'` |
| if [ "$pri" = "" ] |
| then |
| echo "ERROR: can't downgrade ${gid}.${pid} because it is unhealthy" |
| exit 1 |
| fi |
| if [ "$pri" = "$node" ] |
| then |
| echo "ERROR: can't downgrade ${gid}.${pid} because $node is primary" |
| exit 1 |
| fi |
| if echo $sec | grep -v -q ',' |
| then |
| echo "ERROR: can't downgrade ${gid}.${pid} because it is unhealthy" |
| exit 1 |
| fi |
| echo "propose --gpid ${gid}.${pid} --type DOWNGRADE_TO_INACTIVE -t $pri -n $node" |
| fi |
| done </tmp/$UID.$PID.pegasus.app.$app >/tmp/$UID.$PID.pegasus.cmd.$app |
| |
| if [ "$type" = "run" ] |
| then |
| cat /tmp/$UID.$PID.pegasus.cmd.$app |
| cat /tmp/$UID.$PID.pegasus.cmd.$app | ./run.sh shell --cluster $cluster 2>/dev/null |
| echo |
| echo |
| else |
| cat /tmp/$UID.$PID.pegasus.cmd.$app |
| fi |
| fi |
| done </tmp/$UID.$PID.pegasus.ls |
| |
| rm -f /tmp/$UID.$PID.pegasus.* &>/dev/null |