switch primary to he3pg from he3pg(slave)

script/activehe3pgfromhe3pg.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+export PATH=/home/postgres/psql14/bin:$PATH
+export PGDATABASE=postgres
+export PGHOST=127.0.0.1
+export PGUSER=postgres
+export PGPORT=15433
+export PGPASSWORD=123456
+slaveDataDir=/home/postgres/slavedata/pgdata
+slaveConninfo='application_name=pushstandby user=repl password=123456 host=127.0.0.1 port=15433 sslmode=disable sslcompression=0 gssencmode=disable target_session_attrs=any'
+pushDataDir=/home/postgres/data/pgdata
+pushImdbPageDirectory=/tmp/pushpagedb
+pushImdbWalDirectory=/tmp/pushwaldb
+pushLogfile=/home/postgres/logfile2
+
+pg_ctl -D $pushDataDir -l $pushLogfile stop
+if [ $? -ne 0 ]
+then
+    echo "$(date "+%F %T"): He3DB push instance stop failed!"
+    exit 1
+fi
+
+sed -i 's/^primary_conninfo/#primary_conninfo/g' $pushDataDir/postgresql.auto.conf
+sed -i 's/^primary_conninfo/#primary_conninfo/g' $pushDataDir/postgresql.conf
+
+echo -e "primary_conninfo = '$slaveConninfo'" >> $pushDataDir/postgresql.conf
+
+sed -i 's/^hot_standby/#hot_standby/g' $slaveDataDir/postgresql.conf
+sed -i 's/^primary_conninfo/#primary_conninfo/g' $slaveDataDir/postgresql.auto.conf
+sed -i 's/^primary_conninfo/#primary_conninfo/g' $slaveDataDir/postgresql.conf
+
+echo -e "hot_standby=off" >> $slaveDataDir/postgresql.conf
+
+psql -c 'SELECT pg_promote(true, 30)'
+if [ $? -ne 0 ]
+then
+    echo "$(date "+%F %T"): He3DB slave instance promote failed!"
+    exit 1
+fi
+
+rm -rf $pushImdbPageDirectory $pushImdbWalDirectory
+pg_ctl -D $pushDataDir -l $pushLogfile start
+if [ $? -ne 0 ]
+then
+    echo "$(date "+%F %T"): He3DB push instance start failed!"
+    exit 1
+fi