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mailu/optional/postgresql/start.py

38 lines
1.4 KiB
Python

#!/usr/bin/python3
import anosql
import psycopg2
import jinja2
import glob
import os
def setup():
conn = psycopg2.connect('user=postgres')
queries = anosql.load_queries('postgres', '/conf/queries.sql')
queries.create_user(conn)
queries.update_pw(conn, pw=os.environ.get("SECRET_KEY"))
conn.commit()
# create db cannot be atomic. But this script is the only active connection, this is kinda safe.
if not queries.check_db(conn):
conn.set_isolation_level(0)
queries.create_db(conn)
conn.set_isolation_level(1)
conn.close()
# Bootstrap the database if postgresql is running for the first time
if not os.path.exists('/var/lib/postgresql/data/pg_hba.conf'):
os.system("chown -R postgres:postgres /var/lib/postgresql")
os.system("su - postgres -c 'initdb -D /var/lib/postgresql/data'")
convert = lambda src, dst: open(dst, "w").write(jinja2.Template(open(src).read()).render(**os.environ))
for pg_file in glob.glob("/conf/*.conf"):
convert(pg_file, os.path.join("/var/lib/postgresql/data", os.path.basename(pg_file)))
# Run postgresql locally for DB and user creation
os.system("su - postgres -c 'pg_ctl start -D /var/lib/postgresql/data -o \"-h localhost\"'")
setup()
os.system("su - postgres -c 'pg_ctl stop -m smart -w -D /var/lib/postgresql/data'")
# Run postgresql service
os.system("su - postgres -c 'postgres -D /var/lib/postgresql/data -h \*'")