ambari-server开机启动失败原因定位

其他 2019-04-02 21:00:21 阅读次数: 0
版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/liaoyanyunde/article/details/87258944

使用的ambari版本为AMBARI-2.4.0.1
环境为centos7.2

问题：安装完ambari-server之后，开机自启动失败
原因：ambari-server的启动脚本有问题

1、开机启动脚本一般在/etc/rc.d/init.d目录下

在这里插入图片描述

2、不同的开机启动级别，启动脚本的范围不一样

在这里插入图片描述
开机启动级别：
运行级别0：系统停机状态，系统默认运行级别不能设为0，否则不能正常启动，对应的启动脚本目录rc0.d
运行级别1：单用户工作状态，root权限，用于系统维护，禁止远程登陆，对应的启动脚本目录rc1.d
运行级别2：多用户状态(没有NFS)，对应的启动脚本目录rc2.d
运行级别3：完全的多用户状态(有NFS)，登陆后进入控制台命令行模式，对应的启动脚本目录rc3.d
运行级别4：系统未使用，保留，对应的启动脚本目录rc4.d
运行级别5：X11控制台，登陆后进入图形GUI模式，对应的启动脚本目录rc5.d
运行级别6：系统正常关闭并重启，默认运行级别不能设为6，否则不能正常启动，对应的启动脚本目录rc6.d

开机的时候，如果开机启动级别是3（最常用），那么就执行rc3.d下面的脚本
在这里插入图片描述
可以看到，rc3.d下面的脚本实际上是/etc/rc.d/init.d目录下脚本的软连接，相当于执行的是/etc/rc.d/init.d里面的脚本。

3、手动执行ambari-server开机启动脚本，打印调试信息

[root@brms01 rc3.d]# pwd
/etc/rc.d/rc3.d
[root@brms01 rc3.d]# sh -x S95ambari-server 
+ VERSION=2.4.0.1-1
+ HASH=8c0e2bdc031b1a36bd90753210313951f5178a93
+ case "$1" in
+++ dirname S95ambari-server
++ cd .
++ pwd
+ SCRIPT_DIR=/etc/rc.d/rc3.d
+++ dirname /etc/rc.d/rc3.d
++ dirname /etc/rc.d
+ export ROOT=/etc
+ ROOT=/etc
++ echo /etc
++ sed 's/\/$//'
+ ROOT=/etc
+ export 'PATH=/etc/usr/lib/ambari-server/*:/usr/local/openssl/bin:/usr/jdk1.8.0_91/bin:/usr/lib64/qt-3.3/bin:/usr/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/oracle/112/client/bin:/root/bin:/root/bin:/sbin/:/usr/sbin'
+ PATH='/etc/usr/lib/ambari-server/*:/usr/local/openssl/bin:/usr/jdk1.8.0_91/bin:/usr/lib64/qt-3.3/bin:/usr/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/oracle/112/client/bin:/root/bin:/root/bin:/sbin/:/usr/sbin'
+ export AMBARI_CONF_DIR=/etc/etc/ambari-server/conf
+ AMBARI_CONF_DIR=/etc/etc/ambari-server/conf
+ PYTHON_WRAP=/etc/usr/bin/ambari-python-wrap
+ AMBARI_ENV=/etc/var/lib/ambari-server/ambari-env.sh
+ AMBARI_PYTHON_EXECUTABLE=/etc/usr/sbin/ambari-server.py
+ AMBARI_EXECUTABLE=/etc/usr/sbin/ambari-server
+ '[' -z '' ']'
++ readlink /etc/usr/bin/ambari-python-wrap
+ export PYTHON=
+ PYTHON=
+ '[' -a /etc/var/lib/ambari-server/ambari-env.sh ']'
+ '[' -z '' ']'
+ AMBARI_PASSPHRASE=DEV
+ '[' -n /usr/jdk1.8.0_91 ']'
+ export JAVA_HOME=/usr/jdk1.8.0_91
+ JAVA_HOME=/usr/jdk1.8.0_91
+ export AMBARI_PASSPHRASE=DEV
+ AMBARI_PASSPHRASE=DEV
++ -V
++ awk '{print $2}'
++ cut -d. -f1
+ majversion=line
++ -V
++ awk '{print $2}'
++ cut -d. -f2
+ minversion=line
+ numversion=0
+ ((  0 < 26  ))
+ echo 'Need python version > 2.6'
Need python version > 2.6
+ exit 1

在这里插入图片描述
可以看到这几个目录和文件的路径其实是错误的

根源是脚本中$ROOT的取值是错误的，看如下的脚本中，在启动、停止、重启ambari-server时，使用的是脚本

  • AMBARI_PYTHON_EXECUTABLE=/etc/usr/sbin/ambari-server.py
  • AMBARI_EXECUTABLE=/etc/usr/sbin/ambari-server

明显是错误的，正确的应该是：

  • AMBARI_PYTHON_EXECUTABLE=/usr/sbin/ambari-server.py
  • AMBARI_EXECUTABLE=/usr/sbin/ambari-server

原始的脚本：

#!/usr/bin/env bash
# chkconfig: 345 95 20
# description: ambari-server daemon
# processname: ambari-server

# 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.

### BEGIN INIT INFO
# Provides:          ambari-server
# Required-Start:
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 6
### END INIT INFO

# /etc/init.d/ambari-server

VERSION="2.4.0.1-1"
HASH="8c0e2bdc031b1a36bd90753210313951f5178a93"

case "$1" in
  --version)
        echo -e $VERSION
        exit 0
        ;;
  --hash)
        echo -e $HASH
        exit 0
        ;;
esac

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
export ROOT=`dirname $(dirname $SCRIPT_DIR)`
ROOT=`echo $ROOT | sed 's/\/$//'`

export PATH=$ROOT/usr/lib/ambari-server/*:$PATH:/sbin/:/usr/sbin
export AMBARI_CONF_DIR=$ROOT/etc/ambari-server/conf

PYTHON_WRAP="$ROOT/usr/bin/ambari-python-wrap"
AMBARI_ENV="$ROOT/var/lib/ambari-server/ambari-env.sh"
AMBARI_PYTHON_EXECUTABLE="$ROOT/usr/sbin/ambari-server.py"
AMBARI_EXECUTABLE="$ROOT/usr/sbin/ambari-server"

if [ -z "$PYTHON" ] ; then
  export PYTHON=`readlink $PYTHON_WRAP`
fi

if [ -a "$AMBARI_ENV" ]; then
  . "$AMBARI_ENV"
fi

if [ -z "$AMBARI_PASSPHRASE" ]; then
  AMBARI_PASSPHRASE="DEV"
fi

if [ -n "$JAVA_HOME" ]; then
  export JAVA_HOME=$JAVA_HOME
fi

export AMBARI_PASSPHRASE=$AMBARI_PASSPHRASE

# check for version
majversion=`$PYTHON -V 2>&1 | awk '{print $2}' | cut -d'.' -f1`
minversion=`$PYTHON -V 2>&1 | awk '{print $2}' | cut -d'.' -f2`
numversion=$(( 10 * $majversion + $minversion))
if (( $numversion < 26 )); then
  echo "Need python version > 2.6"
  exit 1
fi
echo "Using python " $PYTHON

ret=0
case "$1" in
  start)
        echo -e "Starting ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  stop)
        echo -e "Stopping ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  reset)
        echo -e "Resetting ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  restart)
        echo -e "Restarting ambari-server"
        $0 stop
        $0 start
        ;;
  upgrade)
        echo -e "Upgrading ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  status)
        echo -e "Ambari-server status"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  upgradestack)
        echo -e "Upgrading stack of ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  setup)
        echo -e "Setup ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  setup-jce)
        echo -e "Updating jce policy"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  setup-ldap)
        echo -e "Setting up LDAP properties..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  sync-ldap)
        echo -e "Syncing with LDAP..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  set-current)
        echo -e "Setting current version..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  setup-security)
        echo -e "Security setup options..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  refresh-stack-hash)
        echo -e "Refreshing stack hashes..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  backup)
        echo -e "Backing up Ambari File System state... *this will not backup the server database*"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  restore)
        echo -e "Restoring Ambari File System state"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  update-host-names)
        echo -e "Updating host names"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  check-database)
        echo -e "Checking database"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  enable-stack)
        echo -e "Enabling stack(s)..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  setup-sso)
        echo -e "Setting up SSO authentication properties..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  db-cleanup)
        echo -e "Cleanup database..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  install-mpack)
        echo -e "Installing management pack"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  upgrade-mpack)
        echo -e "Upgrading management pack"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  *)
        echo "Usage: $AMBARI_EXECUTABLE
        {start|stop|restart|setup|setup-jce|upgrade|status|upgradestack|setup-ldap|sync-ldap|set-current|setup-security|setup-sso|refresh-stack-hash|backup|restore|update-host-names|enable-stack|check-database|db-cleanup} [options]
        Use $AMBARI_PYTHON_EXECUTABLE <action> --help to get details on options available.
        Or, simply invoke ambari-server.py --help to print the options."
        exit 1
esac

exit $?

4、修改ambari-server开机启动脚本

将$ROOT的取值置为空字符串
在这里插入图片描述

修改后的ambari-server开机启动脚本

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#!/usr/bin/env bash
# chkconfig: 345 95 20
# description: ambari-server daemon
# processname: ambari-server

# 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.

### BEGIN INIT INFO
# Provides:          ambari-server
# Required-Start:
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 6
### END INIT INFO

# /etc/init.d/ambari-server

VERSION="2.4.0.1-1"
HASH="8c0e2bdc031b1a36bd90753210313951f5178a93"

case "$1" in
  --version)
        echo -e $VERSION
        exit 0
        ;;
  --hash)
        echo -e $HASH
        exit 0
        ;;
esac

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
export ROOT=`dirname $(dirname $SCRIPT_DIR)`
ROOT=`echo $ROOT | sed 's/\/$//'`
ROOT=""
export PATH=$ROOT/usr/lib/ambari-server/*:$PATH:/sbin/:/usr/sbin
export AMBARI_CONF_DIR=$ROOT/etc/ambari-server/conf

PYTHON_WRAP="$ROOT/usr/bin/ambari-python-wrap"
AMBARI_ENV="$ROOT/var/lib/ambari-server/ambari-env.sh"
AMBARI_PYTHON_EXECUTABLE="$ROOT/usr/sbin/ambari-server.py"
AMBARI_EXECUTABLE="$ROOT/usr/sbin/ambari-server"

if [ -z "$PYTHON" ] ; then
  export PYTHON=`readlink $PYTHON_WRAP`
fi

if [ -a "$AMBARI_ENV" ]; then
  . "$AMBARI_ENV"
fi

if [ -z "$AMBARI_PASSPHRASE" ]; then
  AMBARI_PASSPHRASE="DEV"
fi

if [ -n "$JAVA_HOME" ]; then
  export JAVA_HOME=$JAVA_HOME
fi

export AMBARI_PASSPHRASE=$AMBARI_PASSPHRASE

# check for version
majversion=`$PYTHON -V 2>&1 | awk '{print $2}' | cut -d'.' -f1`
minversion=`$PYTHON -V 2>&1 | awk '{print $2}' | cut -d'.' -f2`
numversion=$(( 10 * $majversion + $minversion))
if (( $numversion < 26 )); then
  echo "Need python version > 2.6"
  exit 1
fi
echo "Using python " $PYTHON

ret=0
case "$1" in
  start)
        echo -e "Starting ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  stop)
        echo -e "Stopping ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  reset)
        echo -e "Resetting ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  restart)
        echo -e "Restarting ambari-server"
        $0 stop
        $0 start
        ;;
  upgrade)
        echo -e "Upgrading ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  status)
        echo -e "Ambari-server status"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  upgradestack)
        echo -e "Upgrading stack of ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  setup)
        echo -e "Setup ambari-server"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  setup-jce)
        echo -e "Updating jce policy"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  setup-ldap)
        echo -e "Setting up LDAP properties..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  sync-ldap)
        echo -e "Syncing with LDAP..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  set-current)
        echo -e "Setting current version..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  setup-security)
        echo -e "Security setup options..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  refresh-stack-hash)
        echo -e "Refreshing stack hashes..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  backup)
        echo -e "Backing up Ambari File System state... *this will not backup the server database*"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  restore)
        echo -e "Restoring Ambari File System state"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  update-host-names)
        echo -e "Updating host names"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  check-database)
        echo -e "Checking database"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  enable-stack)
        echo -e "Enabling stack(s)..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  setup-sso)
        echo -e "Setting up SSO authentication properties..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  db-cleanup)
        echo -e "Cleanup database..."
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  install-mpack)
        echo -e "Installing management pack"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  upgrade-mpack)
        echo -e "Upgrading management pack"
        $PYTHON "$AMBARI_PYTHON_EXECUTABLE" $@
        ;;
  *)
        echo "Usage: $AMBARI_EXECUTABLE
        {start|stop|restart|setup|setup-jce|upgrade|status|upgradestack|setup-ldap|sync-ldap|set-current|setup-security|setup-sso|refresh-stack-hash|backup|restore|update-host-names|enable-stack|check-database|db-cleanup} [options]
        Use $AMBARI_PYTHON_EXECUTABLE <action> --help to get details on options available.
        Or, simply invoke ambari-server.py --help to print the options."
        exit 1
esac

exit $?

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