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167 lines
6.1 KiB
167 lines
6.1 KiB
#!/bin/bash
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exit 0
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# https://www.citusdata.com/download/
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# Run on all nodes:
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curl https://install.citusdata.com/community/deb.sh | sudo bash
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#sudo apt-get -y install postgresql-10-citus-7.4
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sudo apt-get -y install postgresql-10-citus
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# Outputs (dont run):
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##############################################################################
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Success. You can now start the database server using:
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/usr/lib/postgresql/10/bin/pg_ctl -D /var/lib/postgresql/10/main -l logfile start
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Ver Cluster Port Status Owner Data directory Log file
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10 main 5432 down postgres /var/lib/postgresql/10/main /var/log/postgresql/postgresql-10-main.log
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##############################################################################
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# Run on all nodes
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sudo pg_conftool 10 main set shared_preload_libraries citus
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# set up IPs, for each node
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# XXX THIS FAILS because the entry doesn't get quoted, so postgres doesn't start.
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# pg1
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sudo pg_conftool 10 main set listen_addresses '10.52.1.91'
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# pg2
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sudo pg_conftool 10 main set listen_addresses '10.52.1.92'
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# pg3
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sudo pg_conftool 10 main set listen_addresses '10.52.1.93'
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# pg4
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sudo pg_conftool 10 main set listen_addresses '10.52.1.94'
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# XXX to fix, edit /etc/postgresql/10/main/postgresql.conf and change to be
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# like this (note single quotes ')
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# pg1
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listen_addresses = '10.52.1.91' # what IP address(es) to listen on;
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# pg2
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listen_addresses = '10.52.1.92' # what IP address(es) to listen on;
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# pg3
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listen_addresses = '10.52.1.93' # what IP address(es) to listen on;
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# pg4
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listen_addresses = '10.52.1.94' # what IP address(es) to listen on;
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# Set up access permissions file as root:
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cat > /etc/postgresql/10/main/pg_hba.conf <<EOF
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# IPv4 local connections
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host all all 127.0.0.1/32 md5
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# Database administrative login by Unix domain socket
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local all postgres peer
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# "local" is for Unix domain socket connections only
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local all all peer
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# Allow Postgres Citus Nodes XXX use password hash
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host all all 10.52.1.91/32 trust
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host all all 10.52.1.92/32 trust
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host all all 10.52.1.93/32 trust
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host all all 10.52.1.94/32 trust
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# Allow Postgres Clients XXX use password hash
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# ocadev2
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host all all 10.52.1.195/32 trust
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# ocadev3
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host all all 10.52.1.196/32 trust
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# ocadev4
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host all all 10.52.1.197/32 trust
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EOF
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# make it start automatically when computer does
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update-rc.d postgresql enable
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# Set up firewall
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vim /etc/iptables.test.rules
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# add rule:
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-A INPUT -s 10.52.1.0/24 -d 10.52.1.0/24 -p tcp -m tcp --dport 5432 -j ACCEPT
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# Run as root:
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iptables-restore < /etc/iptables.test.rules
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iptables-save > /etc/iptables.up.rules
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cd /etc ; git add . ; git commit -a -m 'Setup Postgres Citus Cluster'
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# start the db server
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sudo service postgresql restart
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# Run on all nodes:
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sudo -i -u postgres psql -c "CREATE EXTENSION citus;"
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sudo -i -u postgres psql -c "ALTER SYSTEM SET citus.enable_statistics_collection = 'off';"
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# Run on just ONE node (pg1):
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# Don't add the main host node or not? XXX
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#sudo -i -u postgres psql -c "SELECT * from master_add_node('10.52.1.91', 5432);"
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sudo -i -u postgres psql -c "SELECT * from master_add_node('10.52.1.92', 5432);"
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sudo -i -u postgres psql -c "SELECT * from master_add_node('10.52.1.93', 5432);"
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sudo -i -u postgres psql -c "SELECT * from master_add_node('10.52.1.94', 5432);"
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# Verify it is all good
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sudo -i -u postgres psql -c "SELECT * FROM master_get_active_worker_nodes();"
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# Use postgres:
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sudo -i -u postgres psql
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# Misc notes:
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postgres=# create database foo;
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NOTICE: Citus partially supports CREATE DATABASE for distributed databases
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DETAIL: Citus does not propagate CREATE DATABASE command to workers
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HINT: You can manually create a database and its extensions on workers.
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CREATE DATABASE
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#######
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# OCA #
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#######
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# On ocadev2:
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sudo -i -u postgres
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# Backup database, run on ocadev2:
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#pg_dump forksand > forksand-ocadev2-pg_dump.sql
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pg_dump --format=custom --clean --create --no-owner forksand > forksand-ocadev2.sql
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# Add "ocadev2" user to database. Run on ocadev2:
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createuser --createdb --host=10.52.1.91 --username=postgres ocadev2
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# NOTICE: not propagating CREATE ROLE/USER commands to worker nodes
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# HINT: Connect to worker nodes directly to manually create all necessary users and roles.
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# XXX
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createuser --createdb --host=10.52.1.92 --username=postgres ocadev2
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createuser --createdb --host=10.52.1.93 --username=postgres ocadev2
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createuser --createdb --host=10.52.1.94 --username=postgres ocadev2
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# Create database:
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createdb --owner=ocadev2 --host=10.52.1.91 --username=postgres ocadev2_forksand
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#NOTICE: Citus partially supports CREATE DATABASE for distributed databases
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#DETAIL: Citus does not propagate CREATE DATABASE command to workers
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#HINT: You can manually create a database and its extensions on workers.
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# XXX
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createdb --owner=ocadev2 --host=10.52.1.92 --username=postgres ocadev2_forksand
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createdb --owner=ocadev2 --host=10.52.1.93 --username=postgres ocadev2_forksand
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createdb --owner=ocadev2 --host=10.52.1.94 --username=postgres ocadev2_forksand
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# Run this logged in to master pg1
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# (XXX connect to other database ?)
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\connect ocadev2_forksand
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SET citus.shard_max_size TO '64MB';
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# How many copies to distribute (just run on master node):
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SET citus.shard_replication_factor TO '2';
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# Upload database dump to Postgres server
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# XXX not the best way, \copy ?
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#cat forksand-ocadev2.sql | psql --host 10.52.1.91 --user ocadev2 ocadev2_forksand
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pg_restore --format=custom --no-owner --host=10.52.1.91 --username=ocadev2 --dbname=ocadev2_forksand forksand-ocadev2.sql
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# On ocadev2, using SQL dump from above:
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#psql --host 10.52.1.91 --user ocadev2 ocadev2_forksand
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# To connect to the master node from client node:
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psql --host 10.52.1.91 --user postgres
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# To connect to ocadev2 forksand database:
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psql --host 10.52.1.91 --user ocadev2 ocadev2_forksand
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