Linux/Unix shell自动发送AWR report

文章由LinuxBoy分享于2019-03-24 09:03:56热评（391）

Linux/Unix shell自动发送AWR report

观察Oracle数据库性能，Oracle自带的awr 功能为我们提供了一个近乎完美的解决方案，通过awr特性我们可以随时从数据库提取awr报告。不过awrrpt.sql脚本执行时需要我们提供一些交互信息，因此可以将其整合到shell脚本中来实现自动产生指定时段的awr报告并发送给相关人员。本文即是描述linux shell脚本来实现此功能。

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1、shell脚本

[python]

robin@SZDB:~/dba_scripts/custom/awr> more autoawr.sh

#!/bin/bash

# --------------------------------------------------------------------------+

# CHECK ALERT LOG FILE |

# Filename: autoawr.sh |

# Desc: |

# The script use to generate AWR report and send mail automatic. |

# The sql script autoawr.sql call by this shell script. |

# Default, the whole day AWR report will be gathered. |

# Deploy it to crontab at 23:30 |

# If you want to change the snap interval,please change autoawr.sql |

# and crontab configuration |

# Usage: |

# ./autoawr.sh $ORACLE_SID |

# |

# Author : Robinson |

# |

# --------------------------------------------------------------------------+

# --------------------------

# Check SID

# --------------------------

if [ -z "${1}" ];then

echo "Usage: "

echo " `basename $0` ORACLE_SID"

exit 1

# -------------------------------

# Set environment here

# ------------------------------

if [ -f ~/.bash_profile ]; then

. ~/.bash_profile

export ORACLE_SID=$1

export MACHINE=`hostname`

export MAIL_DIR=/users/robin/dba_scripts/sendEmail-v1.56

export MAIL_LIST='Robinson.cheng@12306.com'

export AWR_CMD=/users/robin/dba_scripts/custom/awr

export AWR_DIR=/users/robin/dba_scripts/custom/awr/report

export MAIL_FM='oracle@szdb.com'

RETENTION=31

# ----------------------------------------------

# check if the database is running, if not exit

# ----------------------------------------------

db_stat=`ps -ef | grep pmon_$ORACLE_SID | grep -v grep| cut -f3 -d_`

if [ -z "$db_stat" ]; then

#date >/tmp/db_${ORACLE_SID}_stauts.log

echo " $ORACLE_SID is not available on ${MACHINE} !!!" # >>/tmp/db_${ORACLE_SID}_stauts.log

MAIL_SUB=" $ORACLE_SID is not available on ${MACHINE} !!!"

MAIL_BODY=" $ORACLE_SID is not available on ${MACHINE} at `date` when try to generate AWR."

$MAIL_DIR/sendEmail -u $MAIL_SUB -f $MAIL_FM -t $MAIL_LIST -m $MAIL_BODY

exit 1

fi;

# ----------------------------------------------

# Generate awr report

# ----------------------------------------------

$ORACLE_HOME/bin/sqlplus /nolog<

connect / as sysdba;

@${AWR_CMD}/autoawr.sql;

exit;

EOF

status=$?

if [ $status != 0 ];then

echo " $ORACLE_SID is not available on ${MACHINE} !!!" # >>/tmp/db_${ORACLE_SID}_stauts.log

MAIL_SUB=" Occurred error while generate AWR for ${ORACLE_SID} !!!"

MAIL_BODY=" Some exceptions encountered during generate AWR report for $ORACLE_SID on `hostname`."

$MAIL_DIR/sendEmail -u $MAIL_SUB -f $MAIL_FM -t $MAIL_LIST -m $MAIL_BODY

exit

# ------------------------------------------------

# Send email with AWR report

# ------------------------------------------------

dt=`date -d yesterday +%Y%m%d`

filename=`ls ${AWR_DIR}/${ORACLE_SID}_awrrpt_?_${dt}*`

if [ -e "${filename}" ];then

MAIL_SUB="AWR report from ${ORACLE_SID} on `hostname`."

MAIL_BODY="This is an AWR report from ${ORACLE_SID} on `hostname`."

$MAIL_DIR/sendEmail -u $MAIL_SUB -f $MAIL_FM -t $MAIL_LIST -m $MAIL_BODY -a ${filename}

echo ${filename}

# ------------------------------------------------

# Removing files older than $RETENTION parameter

# ------------------------------------------------

find ${AWR_DIR} -name "*awrrpt*" -mtime +$RETENTION -exec rm {} \;

exit

2、产生awr report 的sql脚本

[sql]

robin@SZDB:~/dba_scripts/custom/awr> more autoawr.sql

SET ECHO OFF;

SET VERI OFF;

SET FEEDBACK OFF;

SET TERMOUT ON;

SET HEADING OFF;

VARIABLE rpt_options NUMBER;

DEFINE no_options = 0;

define ENABLE_ADDM = 8;

REM according to your needs, the value can be 'text' or 'html'

DEFINE report_type='html';

BEGIN

:rpt_options := &no_options;

END;

VARIABLE dbid NUMBER;

VARIABLE inst_num NUMBER;

VARIABLE bid NUMBER;

VARIABLE eid NUMBER;

BEGIN

SELECT MIN (snap_id) INTO :bid

FROM dba_hist_snapshot

WHERE TO_CHAR (end_interval_time, 'yyyymmdd') = TO_CHAR (SYSDATE, 'yyyymmdd');

SELECT MAX (snap_id) INTO :eid FROM dba_hist_snapshot;

SELECT dbid INTO :dbid FROM v$database;

SELECT instance_number INTO :inst_num FROM v$instance;

END;

COLUMN ext NEW_VALUE ext NOPRINT

COLUMN fn_name NEW_VALUE fn_name NOPRINT;

COLUMN lnsz NEW_VALUE lnsz NOPRINT;

SELECT 'txt' ext

FROM DUAL

WHERE LOWER ('&report_type') = 'text';

SELECT 'html' ext

FROM DUAL

WHERE LOWER ('&report_type') = 'html';

SELECT 'awr_report_text' fn_name

FROM DUAL

WHERE LOWER ('&report_type') = 'text';

SELECT 'awr_report_html' fn_name

FROM DUAL

WHERE LOWER ('&report_type') = 'html';

SELECT '80' lnsz

FROM DUAL

WHERE LOWER ('&report_type') = 'text';

SELECT '1500' lnsz

FROM DUAL

WHERE LOWER ('&report_type') = 'html';

set linesize &lnsz;

COLUMN report_name NEW_VALUE report_name NOPRINT;

SELECT instance_name || '_awrrpt_' || instance_number || '_' || b.timestamp || '.' || '&ext'

report_name

FROM v$instance a,

(SELECT TO_CHAR (begin_interval_time, 'yyyymmdd') timestamp

FROM dba_hist_snapshot

WHERE snap_id = :bid) b;

SET TERMOUT OFF;

SPOOL $AWR_DIR/&report_name;

SELECT output

FROM TABLE (DBMS_WORKLOAD_REPOSITORY.&fn_name (:dbid,

:inst_num,

:bid,

:eid,

:rpt_options));

SPOOL OFF;

SET TERMOUT ON;

CLEAR COLUMNS SQL;

TTITLE OFF;

BTITLE OFF;

REPFOOTER OFF;

UNDEFINE report_name

UNDEFINE report_type

UNDEFINE fn_name

UNDEFINE lnsz

UNDEFINE no_options

3、补充说明

a、shell脚本中首先判断指定的实例是否处于available，如果不可用则退出

b、接下来调用autoawr.sql脚本来产生awr report

c、产生awr report后，如果文件存在则自动发送邮件

d、autoawr.sql脚本中是产生awr report的主要部分，主要是调用了DBMS_WORKLOAD_REPOSITORY.&fn_name过程

e、该脚本是生成一整天awr report，即从当天的零点至第二天零点

f、sql脚本的几个参数需要确定的是dbid，实例号，以及snap的开始与结束id，rpt_options用于确定报告是否带addm项

g、可以根据需要定制所需的snap的起止id，需修改SQL来获取正确的snap id，来生成所需的报告

h、根据需要修改fn_name定制生成awr报告为txt或html类型，report_name则是确定最终文件名

i、AWR 报告的两个snap 之间不能有重启DB的操作,否则有可能错误(未测试过)

j、该脚本支持Oracle 10g/11g，有关详细的产生awr report脚本说明请参考oracle自带的awrrpt.sql,awrrpti.sql

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