Commit 0c3a966c authored by iSergio's avatar iSergio
Browse files

PostgreSQL replication configure separate hosts

parent e62a1cbc

postgres/bin/pg_replication

+9 −4
Original line number Diff line number Diff line
@@ -5,8 +5,11 @@ if [[ "$(whoami)" != "root" ]]; then 
    exit -1

fi



PRIMARY_HOST=__PRIMARY_HOST__

STANDBY_HOST=__STANDBY_HOST__

PGSQL_PRIMARY_HOST=__PGSQL_PRIMARY_HOST__

PGSQL_STANDBY_HOST=__PGSQL_STANDBY_HOST__



PGPOOL_PRIMARY_HOST=__PGPOOL_PRIMARY_HOST__

PGPOOL_STANDBY_HOST=__PGPOOL_STANDBY_HOST__



PG_CONNECTIONS=2000
@@ -36,8 +39,8 @@ function add_pg_host () { 
}



# Prepare hosts

add_pg_host "$PRIMARY_HOST" "5433" "postgres" "/var/lib/pgsql/data" "/var/lib/pgsql/backups" "/var/lib/pgsql/data/postgresql.conf" "/var/lib/pgsql/data/pg_hba.conf"

add_pg_host "$STANDBY_HOST" "5433" "postgres" "/var/lib/pgsql/data" "/var/lib/pgsql/backups" "/var/lib/pgsql/data/postgresql.conf" "/var/lib/pgsql/data/pg_hba.conf"

add_pg_host "$PGSQL_PRIMARY_HOST" "5433" "postgres" "/var/lib/pgsql/data" "/var/lib/pgsql/backups" "/var/lib/pgsql/data/postgresql.conf" "/var/lib/pgsql/data/pg_hba.conf"

add_pg_host "$PGSQL_STANDBY_HOST" "5433" "postgres" "/var/lib/pgsql/data" "/var/lib/pgsql/backups" "/var/lib/pgsql/data/postgresql.conf" "/var/lib/pgsql/data/pg_hba.conf"



# Configure postgres users access via ssh by RSA keys

function exchange_rsa_keys () {
@@ -113,6 +116,8 @@ archive_command = '$archive_command'" >> ${PG_CONFS[0]} 


    echo "#REPLICATION BEGIN

local   all             all                             trust

host    all             all         $PGPOOL_PRIMARY_HOST trust

host    all             all         $PGPOOL_STANDBY_HOST trust

host    all             all         127.0.0.1/32        trust" >> ${PG_HBAS[0]}

    for (( i = 0; i < ${#PG_HOSTS[*]}; i++ )); do

        echo "host    all             all         ${PG_HOSTS[$i]}/32       trust

postgres/configure.sh

+23 −11
Original line number Diff line number Diff line
@@ -20,19 +20,31 @@ fi 
cp bin/pg_* /usr/local/bin/



# Configure listen ip address

echo -n "Please, enter a ip address of PRIMARY server(Default: $PRIMARY_HOST): "

read _PRIMARY_HOST

echo -n "Please, enter a ip address of STANDBY server(Default: $STANDBY_HOST) "

read _STANDBY_HOST



if [[ ! -z $_PRIMARY_HOST ]]; then

    PRIMARY_HOST=$_PRIMARY_HOST

echo -n "Please, enter a ip address of PRIMARY PostgreSQL server(Default: $PGSQL_PRIMARY_HOST): "

read _PGSQL_PRIMARY_HOST

echo -n "Please, enter a ip address of PRIMARY PgPool server(Default: $PGPOOL_PRIMARY_HOST): "

read _PGPOOL_PRIMARY_HOST

echo -n "Please, enter a ip address of STANDBY PostgreSQL server(Default: $PGSQL_STANDBY_HOST): "

read _PGSQL_STANDBY_HOST

echo -n "Please, enter a ip address of STANDBY PgPool server(Default: $PGPOOL_STANDBY_HOST): "

read _PGPOOL_STANDBY_HOST



if [[ ! -z $_PGSQL_PRIMARY_HOST ]]; then

    PGSQL_PRIMARY_HOST=$_PGSQL_PRIMARY_HOST

fi

if [[ ! -z $_PGPOOL_PRIMARY_HOST ]]; then

    PGPOOL_PRIMARY_HOST=$_PGPOOL_PRIMARY_HOST

fi

if [[ ! -z $_PGSQL_STANDBY_HOST ]]; then

    PGSQL_STANDBY_HOST=$_PGSQL_STANDBY_HOST

fi

if [[ ! -z $_STANDBY_HOST ]]; then

    STANDBY_HOST=$_STANDBY_HOST

if [[ ! -z $_PGPOOL_STANDBY_HOST ]]; then

    PGPOOL_STANDBY_HOST=$_PGPOOL_STANDBY_HOST

fi



sed -i 's/__PRIMARY_HOST__/'$PRIMARY_HOST'/g' /usr/local/bin/pg_replication

sed -i 's/__STANDBY_HOST__/'$STANDBY_HOST'/g' /usr/local/bin/pg_replication

sed -i 's/__PGSQL_PRIMARY_HOST__/'$PGSQL_PRIMARY_HOST'/g' /usr/local/bin/pg_replication

sed -i 's/__PGSQL_STANDBY_HOST__/'$PGSQL_STANDBY_HOST'/g' /usr/local/bin/pg_replication

sed -i 's/__PGPOOL_PRIMARY_HOST__/'$PGPOOL_PRIMARY_HOST'/g' /usr/local/bin/pg_replication

sed -i 's/__PGPOOL_STANDBY_HOST__/'$PGPOOL_STANDBY_HOST'/g' /usr/local/bin/pg_replication



pg_replication -c