X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=dak%2Fupdate_db.py;h=0d4e65dbd8bad061edd09f7d59a588261fda96e7;hb=aa63ea6814c83460abc4417f52ffdf5232431dd6;hp=665724e9520c32895a78f9e26f0ceb1ce51dcbe1;hpb=f9defe0eb79b8defb578d69bec2649fd37ae1e37;p=dak.git diff --git a/dak/update_db.py b/dak/update_db.py index 665724e9..0d4e65db 100755 --- a/dak/update_db.py +++ b/dak/update_db.py @@ -1,7 +1,11 @@ #!/usr/bin/env python -# Debian Archive Kit Database Update Script +""" Database Update Main Script + +@contact: Debian FTP Master # Copyright (C) 2008 Michael Casadevall +@license: GNU General Public License version 2 or later +""" # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -26,17 +30,22 @@ ################################################################################ -import psycopg2, sys, fcntl, os +import psycopg2 +import sys +import fcntl +import os import apt_pkg import time +import errno from daklib import database from daklib import utils +from daklib.dak_exceptions import DBUpdateError ################################################################################ Cnf = None projectB = None -required_database_schema = 1 +required_database_schema = 5 ################################################################################ @@ -52,7 +61,7 @@ Updates dak's database schema to the lastest version. You should disable crontab ################################################################################ def update_db_to_zero(self): - # This function will attempt to update a pre-zero database schema to zero + """ This function will attempt to update a pre-zero database schema to zero """ # First, do the sure thing, and create the configuration table try: @@ -63,7 +72,7 @@ Updates dak's database schema to the lastest version. You should disable crontab name TEXT UNIQUE NOT NULL, value TEXT );""") - c.execute("INSERT INTO config VALUES ( nextval('config_id_seq'), 'db_revision', '0')"); + c.execute("INSERT INTO config VALUES ( nextval('config_id_seq'), 'db_revision', '0')") self.db.commit() except psycopg2.ProgrammingError: @@ -84,7 +93,7 @@ Updates dak's database schema to the lastest version. You should disable crontab try: c = self.db.cursor() - q = c.execute("SELECT value FROM config WHERE name = 'db_revision';"); + q = c.execute("SELECT value FROM config WHERE name = 'db_revision';") return c.fetchone()[0] except psycopg2.ProgrammingError: @@ -100,7 +109,12 @@ Updates dak's database schema to the lastest version. You should disable crontab print "Determining dak database revision ..." try: - self.db = psycopg2.connect("dbname='" + Cnf["DB::Name"] + "' host='" + Cnf["DB::Host"] + "' port='" + str(Cnf["DB::Port"]) + "'") + # Build a connect string + connect_str = "dbname=%s"% (Cnf["DB::Name"]) + if Cnf["DB::Host"] != '': connect_str += " host=%s" % (Cnf["DB::Host"]) + if Cnf["DB::Port"] != '-1': connect_str += " port=%d" % (int(Cnf["DB::Port"])) + + self.db = psycopg2.connect(connect_str) except: print "FATAL: Failed connect to database" @@ -115,7 +129,7 @@ Updates dak's database schema to the lastest version. You should disable crontab print "Please make sure you have a database backup handy. If you don't, press Ctrl-C now!" print "" print "Continuing in five seconds ..." - #time.sleep(5) + time.sleep(5) print "" print "Attempting to upgrade pre-zero database to zero" @@ -130,11 +144,17 @@ Updates dak's database schema to the lastest version. You should disable crontab sys.exit(0) for i in range (database_revision, required_database_schema): - print "updating databse schema from " + str(database_revision) + " to " + str(i+1) - dakdb = __import__("dakdb", globals(), locals(), ['update'+str(i+1)]) - update_module = getattr(dakdb, "update"+str(i+1)) - update_module.do_update(self) - database_revision =+ 1 + print "updating database schema from " + str(database_revision) + " to " + str(i+1) + try: + dakdb = __import__("dakdb", globals(), locals(), ['update'+str(i+1)]) + update_module = getattr(dakdb, "update"+str(i+1)) + update_module.do_update(self) + except DBUpdateError, e: + # Seems the update did not work. + print "Was unable to update database schema from %s to %s." % (str(database_revision), str(i+1)) + print "The error message received was %s" % (e) + utils.fubar("DB Schema upgrade failed") + database_revision += 1 ################################################################################ @@ -151,10 +171,10 @@ Updates dak's database schema to the lastest version. You should disable crontab options = Cnf.SubTree("Update-DB::Options") if options["Help"]: - usage() + self.usage() elif arguments: utils.warn("dak update-db takes no arguments.") - usage(exit_code=1) + self.usage(exit_code=1) self.update_db()