Multi-node setup to run the migrations

README.md

@@ -3,3 +3,43 @@ Schemas and utils for IPLD ETH Postgres database
 
 ## Database UML
 ![](vulcanize_db.png)
+
+## Run
+
+* Remove any existing containers / volumes:
+
+  ```bash
+  docker-compose down -v --remove-orphans
+  ```
+
+* Spin up an access node and two data nodes using [docker-compose.test.yml](./docker-compose.test.yml):
+
+  ```bash
+  docker-compose -f docker-compose.test.yml up timescale-test-db pg_data_node_1 pg_data_node_2
+  ```
+
+  Following final output should be seen on each node:
+
+    ```
+    LOG:  TimescaleDB background worker launcher connected to shared catalogs
+    ```
+
+* Edit [startup_script.sh](./scripts/startup_script.sh) to change the number of migrations to be run:
+
+  ```bash
+  ./goose -dir migrations/vulcanizedb postgres "$VDB_PG_CONNECT" up-to 21
+  ```
+
+* In another `ipld-eth-db` terminal window, build an image `migrations-test` using [Dockerfile](./db/Dockerfile):
+
+  ```bash
+  docker build -t migrations-test -f ./db/Dockerfile .
+  ```
+
+* After the access and data nodes have spun up, start a container using `migrations-test` image to run the db migrations:
+
+  ```bash
+  # Here, we are running the container using host network.
+  # So connect to access node on 127.0.0.1:8066
+  docker run --rm --network host -e DATABASE_USER=postgres -e DATABASE_PASSWORD=password -e DATABASE_HOSTNAME=127.0.0.1 -e DATABASE_PORT=8066 -e DATABASE_NAME=vulcanize_testing_v4 migrations-test
+  ```

db/migrations/00020_add_data_nodes.sql

@@ -0,0 +1,34 @@
+-- +goose NO TRANSACTION
+-- +goose Up
+-- this is generated by a script
+SELECT add_data_node('dn2', host => 'pg_data_node_2', port => 5432, database => 'vulcanize_testing_v4', password => 'password');
+-- SELECT attach_data_node('dn2', 'eth.log_cids', if_not_attached => true);
+-- SELECT attach_data_node('dn2', 'eth.access_list_elements', if_not_attached => true);
+-- SELECT attach_data_node('dn2', 'eth.state_accounts', if_not_attached => true);
+-- SELECT attach_data_node('dn2', 'eth.storage_cids', if_not_attached => true);
+-- SELECT attach_data_node('dn2', 'eth.state_cid', if_not_attached => true);
+-- SELECT attach_data_node('dn2', 'eth.receipt_cids', if_not_attached => true);
+-- SELECT attach_data_node('dn2', 'eth.transaction_cids', if_not_attached => true);
+-- SELECT attach_data_node('dn2', 'eth.uncle_cids', if_not_attached => true);
+-- SELECT attach_data_node('dn2', 'eth.header_cid', if_not_attached => true);
+-- SELECT attach_data_node('dn2', 'public.blocks', if_not_attached => true);
+SELECT add_data_node('dn1', host => 'pg_data_node_1', port => 5432, database => 'vulcanize_testing_v4', password => 'password');
+-- SELECT attach_data_node('dn1', 'eth.log_cids', if_not_attached => true);
+-- SELECT attach_data_node('dn1', 'eth.access_list_elements', if_not_attached => true);
+-- SELECT attach_data_node('dn1', 'eth.state_accounts', if_not_attached => true);
+-- SELECT attach_data_node('dn1', 'eth.storage_cids', if_not_attached => true);
+-- SELECT attach_data_node('dn1', 'eth.state_cid', if_not_attached => true);
+-- SELECT attach_data_node('dn1', 'eth.receipt_cids', if_not_attached => true);
+-- SELECT attach_data_node('dn1', 'eth.transaction_cids', if_not_attached => true);
+-- SELECT attach_data_node('dn1', 'eth.uncle_cids', if_not_attached => true);
+-- SELECT attach_data_node('dn1', 'eth.header_cid', if_not_attached => true);
+-- SELECT attach_data_node('dn1', 'public.blocks', if_not_attached => true);
+CALL distributed_exec($$ CREATE SCHEMA eth $$);
+
+-- +goose Down
+-- this is generated by a script
+CALL distributed_exec($$ DROP SCHEMA eth $$);
+-- SELECT detach_data_node('dn1', force => true, if_attached = true);
+SELECT delete_data_node('dn1', force => true, if_attached => true);
+-- SELECT detach_data_node('dn2', force => true, if_attached = true);
+SELECT delete_data_node('dn2', force => true, if_attached => true);

db/migrations/00021_add_data_nodes.sql

@@ -1,5 +0,0 @@
--- +goose Up
--- this is generated by a script
-
--- +goose Down
--- this is generated by a script

db/migrations/00021_convert_to_distributed_hypertables.sql

@@ -12,16 +12,16 @@ CREATE TABLE eth.header_cids_i (LIKE eth.header_cids INCLUDING ALL);
 CREATE TABLE public.blocks_i (LIKE public.blocks INCLUDING ALL);
 
 -- turn them into distributed hypertables
-SELECT create_distributed_hypertable('public.blocks_i', 'block_number', chunk_time_interval => 32768, replication_factor => 3);
+SELECT create_distributed_hypertable('public.blocks_i', 'block_number', chunk_time_interval => 32768);
-SELECT create_distributed_hypertable('eth.header_cids_i', 'block_number' chunk_time_interval => 32768, replication_factor => 3);
+SELECT create_distributed_hypertable('eth.header_cids_i', 'block_number', chunk_time_interval => 32768);
-SELECT create_distributed_hypertable('eth.uncle_cids_i', 'block_number', chunk_time_interval => 32768, replication_factor => 3);
+SELECT create_distributed_hypertable('eth.uncle_cids_i', 'block_number', chunk_time_interval => 32768);
-SELECT create_distributed_hypertable('eth.transaction_cids_i', 'block_number', chunk_time_interval => 32768, replication_factor => 3);
+SELECT create_distributed_hypertable('eth.transaction_cids_i', 'block_number', chunk_time_interval => 32768);
-SELECT create_distributed_hypertable('eth.receipt_cids_i', 'block_number', chunk_time_interval => 32768, replication_factor => 3);
+SELECT create_distributed_hypertable('eth.receipt_cids_i', 'block_number', chunk_time_interval => 32768);
-SELECT create_distributed_hypertable('eth.state_cids_i', 'block_number', chunk_time_interval => 32768, replication_factor => 3);
+SELECT create_distributed_hypertable('eth.state_cids_i', 'block_number', chunk_time_interval => 32768);
-SELECT create_distributed_hypertable('eth.storage_cids_i', 'block_number', chunk_time_interval => 32768, replication_factor => 3);
+SELECT create_distributed_hypertable('eth.storage_cids_i', 'block_number', chunk_time_interval => 32768);
-SELECT create_distributed_hypertable('eth.state_accounts_i', 'block_number', chunk_time_interval => 32768, replication_factor => 3);
+SELECT create_distributed_hypertable('eth.state_accounts_i', 'block_number', chunk_time_interval => 32768);
-SELECT create_distributed_hypertable('eth.access_list_elements_i', 'block_number', chunk_time_interval => 32768, replication_factor => 3);
+SELECT create_distributed_hypertable('eth.access_list_elements_i', 'block_number', chunk_time_interval => 32768);
-SELECT create_distributed_hypertable('eth.log_cids_i', 'block_number', chunk_time_interval => 32768, replication_factor => 3);
+SELECT create_distributed_hypertable('eth.log_cids_i', 'block_number', chunk_time_interval => 32768);
 
 -- migrate data
 INSERT INTO eth.log_cids_i (SELECT * FROM eth.log_cids);
@@ -81,7 +81,7 @@ CREATE TABLE public.blocks_i (LIKE public.blocks INCLUDING ALL);
 
 -- turn them into hypertables
 SELECT create_hypertable('public.blocks_i', 'block_number', migrate_data => true, chunk_time_interval => 32768);
-SELECT create_hypertable('eth.header_cids_i', 'block_number' migrate_data => true, chunk_time_interval => 32768);
+SELECT create_hypertable('eth.header_cids_i', 'block_number', migrate_data => true, chunk_time_interval => 32768);
 SELECT create_hypertable('eth.uncle_cids_i', 'block_number', migrate_data => true, chunk_time_interval => 32768);
 SELECT create_hypertable('eth.transaction_cids_i', 'block_number', migrate_data => true, chunk_time_interval => 32768);
 SELECT create_hypertable('eth.receipt_cids_i', 'block_number', migrate_data => true, chunk_time_interval => 32768);

db/migrations/00022_attach_data_nodes.sql

@@ -0,0 +1,5 @@
+-- +goose Up
+-- to be generated by a script
+
+-- +goose Down
+-- to be generated by a script

docker-compose.test.yml

@@ -17,3 +17,44 @@ services:
       POSTGRES_PASSWORD: "password"
     ports:
       - "127.0.0.1:8066:5432"
+
+  timescale-test-db:
+    restart: always
+    image: timescale/timescaledb:latest-pg14
+    command: ["postgres", "-c", "log_statement=all"]
+    environment:
+      POSTGRES_USER: "postgres"
+      POSTGRES_DB: "vulcanize_testing_v4"
+      POSTGRES_PASSWORD: "password"
+    ports:
+      - "127.0.0.1:8066:5432"
+    volumes:
+      - ./scripts/init-access-node.sh:/docker-entrypoint-initdb.d/init-access-node.sh
+
+  pg_data_node_1:
+    image: timescale/timescaledb:latest-pg14
+    container_name: pg_data_node_1
+    restart: unless-stopped
+    command: ["postgres", "-c", "log_statement=all"]
+    environment:
+      POSTGRES_USER: "postgres"
+      POSTGRES_DB: "vulcanize_testing_v4"
+      POSTGRES_PASSWORD: "password"
+    ports:
+      - "127.0.0.1:8067:5432"
+    volumes:
+      - ./scripts/init-data-node.sh:/docker-entrypoint-initdb.d/init-data-node.sh
+
+  pg_data_node_2:
+    image: timescale/timescaledb:latest-pg14
+    container_name: pg_data_node_2
+    restart: unless-stopped
+    command: ["postgres", "-c", "log_statement=all"]
+    environment:
+      POSTGRES_USER: "postgres"
+      POSTGRES_DB: "vulcanize_testing_v4"
+      POSTGRES_PASSWORD: "password"
+    ports:
+      - "127.0.0.1:8068:5432"
+    volumes:
+      - ./scripts/init-data-node.sh:/docker-entrypoint-initdb.d/init-data-node.sh

scripts/add_nodes.sh

@@ -3,7 +3,7 @@
 if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ] || [ -z "$4" ] || [ -z "$5" ]
   then
     echo "Env variables not provided"
-    echo "Usage: ./ipfs_postgres.sh <MIGRATION_FILE_PATH:string> <NODE_NAME:string> <NODE_HOST:string> <NODE_PORT:numeric/string> <NODE_DATABASE:string> <EXECUTE_SQ:bool>"
+    echo "Usage: ./add_nodes.sh <MIGRATION_FILE_PATH:string> <NODE_NAME:string> <NODE_HOST:string> <NODE_PORT:numeric/string> <NODE_DATABASE:string> <EXECUTE_SQL:bool>"
     echo "Only <EXECUTE_SQL> is optional"
     exit 1
 fi

scripts/init-access-node.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+set -e
+
+# https://docs.timescale.com/timescaledb/latest/how-to-guides/multinode-timescaledb/multinode-config/
+
+# To achieve good query performance you need to enable partition-wise aggregation on the access node. This pushes down aggregation queries to the data nodes.
+# https://www.postgresql.org/docs/12/runtime-config-query.html#enable_partitionwise_aggregate
+sed -ri "s!^#?(enable_partitionwise_aggregate)\s*=.*!\1 = on!" /var/lib/postgresql/data/postgresql.conf
+grep "enable_partitionwise_aggregate" /var/lib/postgresql/data/postgresql.conf
+
+# JIT should be set to off on the access node as JIT currently doesn't work well with distributed queries.
+# https://www.postgresql.org/docs/12/runtime-config-query.html#jit
+sed -ri "s!^#?(jit)\s*=.*!\1 = off!" /var/lib/postgresql/data/postgresql.conf
+grep "jit" /var/lib/postgresql/data/postgresql.conf
+
+# https://docs.timescale.com/timescaledb/latest/how-to-guides/multinode-timescaledb/multinode-auth/
+# https://docs.timescale.com/timescaledb/latest/how-to-guides/multinode-timescaledb/multinode-auth/#password-authentication
+
+# Set password_encryption = 'scram-sha-256' in postgresql.conf on the access node.
+sed -ri "s!^#?(password_encryption)\s*=.*!\1 = 'scram-sha-256'!" /var/lib/postgresql/data/postgresql.conf
+grep "password_encryption" /var/lib/postgresql/data/postgresql.conf
+
+# Append to data/passfile *:*:*:ROLE:ROLE_PASSWORD
+# This file stores the passwords for each role that the access node connects to on the data nodes.
+echo "*:*:*:postgres:password">>/var/lib/postgresql/data/passfile
+chmod 0600 /var/lib/postgresql/data/passfile
+
+# Add "host  all  all  ACCESS_NODE_IP  scram-sha-256" pg_hba.conf on the data nodes.
+# Skipped. Using default "host  all  all  all  scram-sha-256" for now.

scripts/init-data-node.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+set -e
+
+# https://docs.timescale.com/timescaledb/latest/how-to-guides/configuration/timescaledb-config/#timescaledb-last-tuned-string
+# https://docs.timescale.com/timescaledb/latest/how-to-guides/multi-node-setup/required-configuration/
+
+# It is necessary to change the parameter max_prepared_transactions to a non-zero value ('150' is recommended).
+# https://www.postgresql.org/docs/12/runtime-config-resource.html#max_prepared_transactions
+sed -ri "s!^#?(max_prepared_transactions)\s*=.*!\1 = 150!" /var/lib/postgresql/data/postgresql.conf
+grep "max_prepared_transactions" /var/lib/postgresql/data/postgresql.conf
+
+# Statement timeout should be disabled on the data nodes and managed through the access node configuration if desired.
+# https://www.postgresql.org/docs/12/runtime-config-client.html#statement_timeout
+sed -ri "s!^#?(statement_timeout)\s*=.*!\1 = 0!" /var/lib/postgresql/data/postgresql.conf
+grep "statement_timeout" /var/lib/postgresql/data/postgresql.conf
+
+# https://docs.timescale.com/timescaledb/latest/how-to-guides/multinode-timescaledb/multinode-auth/
+# https://docs.timescale.com/timescaledb/latest/how-to-guides/multinode-timescaledb/multinode-auth/#password-authentication
+
+# Set password_encryption = 'scram-sha-256' in postgresql.conf on the data node.
+sed -ri "s!^#?(password_encryption)\s*=.*!\1 = 'scram-sha-256'!" /var/lib/postgresql/data/postgresql.conf
+grep "password_encryption" /var/lib/postgresql/data/postgresql.conf

scripts/startup_script.sh

@@ -8,7 +8,7 @@ VDB_PG_CONNECT=postgresql://$DATABASE_USER:$DATABASE_PASSWORD@$DATABASE_HOSTNAME
 # Run the DB migrations
 echo "Connecting with: $VDB_PG_CONNECT"
 echo "Running database migrations"
-./goose -dir migrations/vulcanizedb postgres "$VDB_PG_CONNECT" up
+./goose -dir migrations/vulcanizedb postgres "$VDB_PG_CONNECT" up-to 21
 
 # If the db migrations ran without err
 if [[ $? -eq 0 ]]; then