| #!/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. |
| # Filename:- gpsegstate.sh |
| # Version:- $Revision$ |
| # Updated:- $Date$ |
| # Status:- Released |
| # Author:- G Coombe |
| # Contact:- gcoombe@greenplum.com |
| # Release date:- Dec 2006 |
| # Release stat:- Released |
| #****************************************************************************** |
| # Update History |
| #****************************************************************************** |
| # Ver Date Who Update |
| #****************************************************************************** |
| # Detailed Description |
| #****************************************************************************** |
| #****************************************************************************** |
| # Prep Code |
| |
| WORKDIR=`dirname $0` |
| |
| # Source required functions file, this required for script to run |
| # exit if cannot locate this file. Change location of FUNCTIONS variable |
| # as required. |
| FUNCTIONS=$WORKDIR/gp_bash_functions.sh |
| if [ -f $FUNCTIONS ]; then |
| . $FUNCTIONS |
| else |
| echo "[FATAL]:-Cannot source $FUNCTIONS file Script Exits!" |
| exit 2 |
| fi |
| #****************************************************************************** |
| # Script Specific Variables |
| #****************************************************************************** |
| # Log file that will record script actions |
| CUR_DATE=`$DATE +%Y%m%d` |
| TIME=`$DATE +%H%M%S` |
| PROG_NAME=`$BASENAME $0` |
| # Level of script feedback 0=small 1=verbose |
| unset VERBOSE |
| GP_USER=$USER_NAME |
| EXIT_STATUS=0 |
| #****************************************************************************** |
| # Functions |
| #****************************************************************************** |
| USAGE () { |
| $ECHO |
| $ECHO " `basename $0`" |
| $ECHO |
| $ECHO " Script called by gpstate, this should not be run directly" |
| exit $EXIT_STATUS |
| } |
| |
| CHK_CALL () { |
| FILE_PREFIX=`$ECHO $PARALLEL_STATUS_FILE|$CUT -d"." -f1` |
| if [ ! -f ${FILE_PREFIX}.$PARENT_PID ];then |
| $ECHO "[FATAL]:-Not called from from correct parent program" |
| exit 2 |
| fi |
| } |
| |
| |
| GET_SEGMENT_STATUS () { |
| LOG_MSG "[INFO][$INST_COUNT]:-Start Function $FUNCNAME" |
| QE_PING_HOST=1 |
| QE_PID_FILE=1 |
| QE_PID_FILE_PID_ID=1 |
| QE_LOCK_FILE=1 |
| QE_ACTIVE_PID=0 |
| QE_MIRROR_ACTIVE=1 |
| QE_MIRROR_FAILED=1 |
| QE_PRIMARY_FAILED=1 |
| QE_FAILED=0 |
| #************************************* |
| #First see if we can contact this host |
| #************************************* |
| PING_HOST $QE_NAME 1 |
| if [ $RETVAL -eq 0 ];then |
| QE_PING_HOST=0 |
| else |
| EXIT_STATUS=$RETVAL |
| LOG_MSG "[WARN][$INST_COUNT]:-Failed to establish contact with $QE_NAME" |
| ((QE_FAILED=$QE_FAILED+1)) |
| QE_LINE="${QE_LINE}:${QE_FAILED}:${QE_PID_FILE}:${QE_PID_FILE_PID_ID}:${QE_LOCK_FILE}:${QE_ACTIVE_PID}:${QE_MIRROR_ACTIVE}:${QE_MIRROR_FAILED}:${QE_PRIMARY_FAILED}" |
| $ECHO "PING_FAIL:$QE_LINE" >> $PARALLEL_STATUS_FILE |
| LOG_MSG "[INFO][$INST_COUNT]:-End Main" |
| exit $EXIT_STATUS |
| fi |
| #************************************* |
| #Check postmaster.pid file |
| #************************************* |
| QE_PID_FILE=`$TRUSTED_SHELL $QE_NAME "if [ -f $QE_DIR/$PG_PID ]; then echo 0;else echo 1;fi"` |
| RETVAL=$? |
| if [ $RETVAL -eq 0 ] && [ $QE_PID_FILE -eq 0 ];then |
| #Have located file, now process contents |
| QE_PID_FILE_PID_ID=`$TRUSTED_SHELL $QE_NAME "$HEAD -1 $QE_DIR/$PG_PID"` 2>> /dev/null |
| if [ x"" == x"$QE_PID_FILE_PID_ID" ];then |
| QE_PID_FILE_PID_ID=1 |
| ((QE_FAILED=$QE_FAILED+1)) |
| fi |
| else |
| QE_PID_FILE_PID_ID=1 |
| fi |
| #************************************* |
| #Now check to see if we have lock file |
| #************************************* |
| QE_LOCK_FILE=`$TRUSTED_SHELL $QE_NAME "if [ -f /tmp/.s.PGSQL.${QE_PORT}.lock ];then echo 0;else echo 1;fi"` |
| RETVAL=$? |
| if [ $RETVAL -ne 0 ] || [ $QE_LOCK_FILE -eq 1 ];then |
| QE_LOCK_FILE=1 |
| LOG_MSG "[WARN][$INST_COUNT]:-No /tmp/.s.PGSQL.${QE_PORT}.lock file located on $QE_NAME" |
| ((QE_FAILED=$QE_FAILED+1)) |
| fi |
| #************************************* |
| #See if we have an active pid |
| #************************************* |
| GET_PG_PID_ACTIVE $QE_PORT $QE_NAME |
| if [ x"" == x"$PG_LOCK_NETSTAT" ];then |
| LOG_MSG "[WARN][$INST_COUNT]:-Have no running postmaster process on $QE_NAME $QE_PORT" 1 |
| QE_ACTIVE_PID=1 |
| ((QE_FAILED=$QE_FAILED+1)) |
| else |
| QE_ACTIVE_PID=$PID |
| fi |
| #************************************* |
| #Process gp_pgdatabase info |
| #************************************* |
| QE_CURRENTLY_PRIMARY=`env PGOPTIONS="-c gp_session_role=utility" $PSQL -p $MASTER_PORT -d $DEFAULTDB -A -t -c"select isprimary from $GP_PG_VIEW as _gp_pg_view where dbid in (select dbid from $CONFIG_TABLE a where port=$QE_PORT and datadir='${QE_DIR}');"` |
| |
| if [ "$QE_PRIMARY" == 'f' ];then |
| #************************************* |
| #Process status mirror segment |
| #************************************* |
| if [ "$QE_CURRENTLY_PRIMARY" == "t" ]; then |
| LOG_MSG "[WARN][$INST_COUNT]:-Mirror $QE_DIR $QE_PORT on $QE_NAME is active" |
| ((QE_FAILED=$QE_FAILED+1)) |
| fi |
| else |
| if [ "$QE_CURRENTLY_PRIMARY" == "f" ]; then |
| LOG_MSG "[WARN][$INST_COUNT]:-Primary $QE_DIR $QE_PORT on $QE_NAME is not active" |
| ((QE_FAILED=$QE_FAILED+1)) |
| fi |
| fi |
| QE_LINE="${QE_LINE}:${QE_FAILED}:${QE_PID_FILE}:${QE_PID_FILE_PID_ID}:${QE_LOCK_FILE}:${QE_ACTIVE_PID}:${QE_CURRENTLY_PRIMARY}" |
| LOG_MSG "[INFO][$INST_COUNT]:-End Function $FUNCNAME" |
| } |
| |
| #****************************************************************************** |
| # Main Section |
| #****************************************************************************** |
| trap '$ECHO "KILLED:${QE_LINE}" >> $PARALLEL_STATUS_FILE;ERROR_EXIT "[FATAL]:-[$INST_COUNT]-Recieved INT or TERM signal" 2' INT TERM |
| while getopts ":v'?'" opt |
| do |
| case $opt in |
| v ) VERSION_INFO ;; |
| '?' ) USAGE ;; |
| * ) USAGE |
| esac |
| done |
| #Now process supplied call parameters |
| PARENT_PID=$1;shift #PID of gpstate process calling this script |
| CHK_CALL |
| QE_NAME=$1;shift #Hostname holding database segment |
| QE_PORT=$1;shift #Segment port |
| QE_DIR=$1;shift #Segment directory |
| QE_VALID=$1;shift #Status of segment either t or f |
| QE_PRIMARY=$1;shift #t primary f mirror |
| INST_COUNT=$1;shift #Unique number for this parallel script, starts at 0 |
| LOG_FILE=$1;shift |
| MASTER_PORT=$1;shift |
| TYPE=$1;shift |
| LOG_MSG "[INFO][$INST_COUNT]:-Start Main" |
| QE_LINE="${QE_NAME}:${QE_PORT}:${QE_DIR}:${QE_PRIMARY}:${QE_VALID}" |
| case $TYPE in |
| 1 ) GET_SEGMENT_STATUS ;; |
| esac |
| $ECHO "COMPLETED:$QE_LINE" >> $PARALLEL_STATUS_FILE |
| LOG_MSG "[INFO][$INST_COUNT]:-End Main" |
| exit $EXIT_STATUS |
