Commit fba24ada authored by iSergio's avatar iSergio
Browse files

Add pg pool host configuration

parent 7e3303aa

postgres/bin/pg_recovery

+1 −1
Original line number Diff line number Diff line
@@ -50,7 +50,7 @@ function recovery () { 
    fi

    

    # Stop primary pgpool (is necessary!)

    su $PG_USER -c "ssh $PRIMARY_HOST 'pgpool -m fast stop'"

    su $PG_USER -c "ssh $PRIMARY_HOST 'pgpool -m fast stop && rm -rf /var/log/pgpool/*'"

    # Stop primary database (not necessary(check))

    su $PG_USER -c "ssh $PRIMARY_HOST 'pg_ctl stop -m fast -D $PG_DATA'"

    su $PG_USER -c "ssh $PRIMARY_HOST 'rm -rf $PG_WAL/*'"

postgres/bin/pg_replication

+15 −8
Original line number Diff line number Diff line
@@ -22,10 +22,11 @@ PG_DATAS=() 
PG_WALS=()

PG_CONFS=()

PG_HBAS=()

PG_POOLS=()



# For userfrendly function to fill arrays of parameters

function add_pg_host () {

    if [[ $# != 7 ]]; then

    if [[ $# != 8 ]]; then

        echo "Wrong function parameters count!"

        exit 1

    fi
@@ -36,11 +37,12 @@ function add_pg_host () { 
    PG_WALS+=($5)

    PG_CONFS+=($6)

    PG_HBAS+=($7)

    PG_POOLS+=($8)

}



# Prepare hosts

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"

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

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



# Configure postgres users access via ssh by RSA keys

function exchange_rsa_keys () {
@@ -55,6 +57,7 @@ function exchange_rsa_keys () { 
    for (( i = 1; i < ${#PG_HOSTS[*]}; i++ )); do

        PG_HOST=${PG_HOSTS[$i]}

        PG_USER=${PG_USERS[$i]}

        PG_POOL=${PG_POOLS[$i]}

        echo "Exchange keys ${PG_USERS[0]}@${PG_HOSTS[0]} <---> $PG_USER@$PG_HOST"

        # Configure slave

        su ${PG_USERS[0]} -c 'cat $HOME/master_rsa' | ssh $PG_USER@$PG_HOST '
@@ -65,7 +68,9 @@ function exchange_rsa_keys () { 
                chmod 400 $HOME/.ssh/master_rsa &&

                chown '$PG_USER':'$PG_USER' $HOME/.ssh/master_rsa &&

                printf "Host '${PG_HOSTS[0]}'\n\tHostName '${PG_HOSTS[0]}'\n\tIdentityFile ~/.ssh/master_rsa\n\n" >> $HOME/.ssh/config &&

                printf "Host '${PG_POOLS[0]}'\n\tHostName '${PG_POOLS[0]}'\n\tIdentityFile ~/.ssh/master_rsa\n\n" >> $HOME/.ssh/config &&

                ssh-keyscan '${PG_HOSTS[0]}' >> $HOME/.ssh/known_hosts &&

                ssh-keyscan '${PG_POOLS[0]}' >> $HOME/.ssh/known_hosts &&

                rm -rf /tmp/postgresql.trigger && 

                rm -rf $HOME/slave_'$i'_rsa* &&

                ssh-keygen -q -t rsa -P "" -f $HOME/slave_'$i'_rsa &&
@@ -75,7 +80,9 @@ function exchange_rsa_keys () { 
        chown ${PG_USERS[0]}:${PG_USERS[0]} `su ${PG_USERS[0]} -c 'echo $HOME/.ssh/ -R'`

        su ${PG_USER[0]} -c 'chmod 400 $HOME/.ssh/slave_'$i'_rsa'

        su ${PG_USERS[0]} -c 'ssh-keyscan '$PG_HOST' >> $HOME/.ssh/known_hosts'

        su ${PG_USERS[0]} -c 'ssh-keyscan '$PG_POOL' >> $HOME/.ssh/known_hosts'

        su ${PG_USERS[0]} -c 'printf "Host '${PG_HOST}'\n\tHostName '${PG_HOST}'\n\tIdentityFile ~/.ssh/slave_'$i'_rsa\n\n" >> $HOME/.ssh/config'

        su ${PG_USERS[0]} -c 'printf "Host '${PG_POOL}'\n\tHostName '${PG_POOL}'\n\tIdentityFile ~/.ssh/slave_'$i'_rsa\n\n" >> $HOME/.ssh/config'

    done

}