---
apiVersion: v1
kind: ConfigMap
metadata:
  name: postgres-init
  namespace: darkdork-dev
data:
  init-db.sh: |
    #!/bin/bash
    set -e
    DB_USER=${DB_USER:-pleroma}
    DB_NAME=${DB_NAME:-pleroma}
     psql -U ${POSTGRES_USER:-postgres} -tc "SELECT 1 FROM pg_user WHERE usename = '$DB_USER'" | \
      grep -q 1 || psql -U postgres -c "CREATE USER $DB_USER WITH ENCRYPTED PASSWORD '$DB_PASS'"
    psql -U ${POSTGRES_USER:-postgres} -tc "SELECT 1 FROM pg_database WHERE datname = '$DB_NAME'" | \
      grep -q 1 || psql -U postgres -c "CREATE DATABASE $DB_NAME OWNER $DB_USER"
    psql -v ON_ERROR_STOP=1 --username "${POSTGRES_USER:-postgres}" --dbname "$DB_NAME" <<-EOSQL
    	CREATE EXTENSION IF NOT EXISTS citext;
      CREATE EXTENSION IF NOT EXISTS pg_trgm;
      CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
    EOSQL
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: postgres-config
  namespace: darkdork-dev
data:
  postgresql.conf: |
    # connections settings
    listen_addresses = '*'
    max_connections = 100

    # memory settings
    shared_buffers = 2GB
    effective_cache_size = 3GB
    work_mem = 74898kB
    maintenance_work_mem = 512MB
    temp_buffers = 32MB
    huge_pages = off

    # wal settings
    wal_buffers = 16MB
    min_wal_size = 1GB
    max_wal_size = 4GB

    # checkpoint settings
    checkpoint_completion_target = 0.9
    checkpoint_timeout = 15min
    checkpoint_flush_after = 0

    # query planner settings
    default_statistics_target = 100
    random_page_cost = 1.1
    seq_page_cost = 1.0
    cpu_tuple_cost = 0.01
    cpu_index_tuple_cost = 0.005
    cpu_operator_cost = 0.0025
    effective_io_concurrency = 200

    # write performance optimizations
    synchronous_commit = off
    commit_delay = 10000
    commit_siblings = 5

    # bg writer settings
    bgwriter_delay = 50ms
    bgwriter_lru_maxpages = 1000
    bgwriter_lru_multiplier = 10.0

    # paralel query settings
    max_worker_processes = 8
    max_parallel_workers = 8
    max_parallel_workers_per_gather = 2
    max_parallel_maintenance_workers = 2

    # misc settings
    max_prepared_transactions = 0

    # log settings
    log_destination = 'stderr'
    logging_collector = on
    log_directory = 'pg_log'
    log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'
    log_min_duration_statement = 1000
    log_lock_waits = on
    log_checkpoints = on