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https://github.com/Mailu/Mailu.git
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68 lines
2.4 KiB
Python
Executable File
68 lines
2.4 KiB
Python
Executable File
#!/usr/bin/python3
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import anosql
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import psycopg2
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import jinja2
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import glob
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import os
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import subprocess
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def setup():
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conn = psycopg2.connect(user='postgres')
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queries = anosql.load_queries('postgres', '/conf/queries.sql')
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# Mailu user
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queries.create_mailu_user(conn)
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queries.update_pw(conn, pw=os.environ.get("DB_PW"))
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# Healthcheck user
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queries.create_health_user(conn)
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queries.grant_health(conn)
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conn.commit()
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# create db cannot be atomic. But this script is the only active connection, this is kinda safe.
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if not queries.check_db(conn):
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conn.set_isolation_level(0)
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queries.create_db(conn)
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conn.set_isolation_level(1)
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conn.close()
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# Check if /data is empty
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if not os.listdir("/data"):
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os.system("chown -R postgres:postgres /data")
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os.system("chmod 0700 /data")
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base_backups=sorted(glob.glob("/backup/base-*"))
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if base_backups:
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# Restore the latest backup
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subprocess.call(["tar", "--same-owner", "-zpxf", base_backups[-1] + "/base.tar.gz" , "-C", "/data"])
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if os.listdir("/backup/wal_archive"):
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with open("/data/recovery.conf", "w") as rec:
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rec.write("restore_command = 'gunzip < /backup/wal_archive/%f > %p'\n")
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rec.write("standby_mode = off\n")
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os.system("chown postgres:postgres /data/recovery.conf")
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#os.system("sudo -u postgres pg_ctl start -D /data -o '-h \"''\" '")
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else:
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# Bootstrap the database
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os.system("sudo -u postgres initdb -D /data")
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# Create backup directory structure, if it does not yet exist
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os.system("mkdir -p /backup/wal_archive")
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os.system("chown -R postgres:postgres /backup")
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# Render config files
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convert = lambda src, dst: open(dst, "w").write(jinja2.Template(open(src).read()).render(**os.environ))
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for pg_file in glob.glob("/conf/*.conf"):
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convert(pg_file, os.path.join("/data", os.path.basename(pg_file)))
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# (Re)start postgresql locally for DB and user creation
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os.system("sudo -u postgres pg_ctl start -D /data -o '-h \"''\" '")
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while os.path.isfile("recovery.conf"):
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pass
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os.system("sudo -u postgres pg_ctl -D /data promote")
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setup()
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os.system("sudo -u postgres pg_ctl stop -m smart -w -D /data")
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out=open("/proc/1/fd/1", "w")
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err=open("/proc/1/fd/2", "w")
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# Run the cron deamon
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subprocess.Popen(["crond", "-f"], stdout=out, stderr=err)
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# Run postgresql service
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os.system("sudo -u postgres postgres -D /data -h \*")
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