Esempio n. 1
0
def run_migrations():
	if not os.access("/etc/mailinabox.conf", os.W_OK, effective_ids=True):
		print("This script must be run as root.", file=sys.stderr)
		sys.exit(1)

	env = load_environment()

	migration_id_file = os.path.join(env['STORAGE_ROOT'], 'mailinabox.version')
	migration_id = None
	if os.path.exists(migration_id_file):
		with open(migration_id_file) as f:
			migration_id = f.read().strip();

	if migration_id is None:
		# Load the legacy location of the migration ID. We'll drop support
		# for this eventually.
		migration_id = env.get("MIGRATIONID")

	if migration_id is None:
		print()
		print("%s file doesn't exists. Skipping migration..." % (migration_id_file,))
		return

	ourver = int(migration_id)

	while True:
		next_ver = (ourver + 1)
		migration_func = globals().get("migration_%d" % next_ver)

		if not migration_func:
			# No more migrations to run.
			break

		print()
		print("Running migration to Mail-in-a-Box #%d..." % next_ver)

		try:
			migration_func(env)
		except Exception as e:
			print()
			print("Error running the migration script:")
			print()
			print(e)
			print()
			print("Your system may be in an inconsistent state now. We're terribly sorry. A re-install from a backup might be the best way to continue.")
			sys.exit(1)

		ourver = next_ver

		# Write out our current version now. Do this sooner rather than later
		# in case of any problems.
		with open(migration_id_file, "w") as f:
			f.write(str(ourver) + "\n")

		# Delete the legacy location of this field.
		if "MIGRATIONID" in env:
			del env["MIGRATIONID"]
			save_environment(env)
Esempio n. 2
0
def run_migrations():
	if not os.access("/etc/mailinabox.conf", os.W_OK, effective_ids=True):
		print("This script must be run as root.", file=sys.stderr)
		sys.exit(1)

	env = load_environment()

	migration_id_file = os.path.join(env['STORAGE_ROOT'], 'mailinabox.version')
	migration_id = None
	if os.path.exists(migration_id_file):
		with open(migration_id_file) as f:
			migration_id = f.read().strip();

	if migration_id is None:
		# Load the legacy location of the migration ID. We'll drop support
		# for this eventually.
		migration_id = env.get("MIGRATIONID")

	if migration_id is None:
		print()
		print("%s file doesn't exists. Skipping migration..." % (migration_id_file,))
		return

	ourver = int(migration_id)

	while True:
		next_ver = (ourver + 1)
		migration_func = globals().get("migration_%d" % next_ver)

		if not migration_func:
			# No more migrations to run.
			break

		print()
		print("Running migration to Mail-in-a-Box #%d..." % next_ver)

		try:
			migration_func(env)
		except Exception as e:
			print()
			print("Error running the migration script:")
			print()
			print(e)
			print()
			print("Your system may be in an inconsistent state now. We're terribly sorry. A re-install from a backup might be the best way to continue.")
			sys.exit(1)

		ourver = next_ver

		# Write out our current version now. Do this sooner rather than later
		# in case of any problems.
		with open(migration_id_file, "w") as f:
			f.write(str(ourver) + "\n")

		# Delete the legacy location of this field.
		if "MIGRATIONID" in env:
			del env["MIGRATIONID"]
			save_environment(env)
Esempio n. 3
0
def run_migrations():
	if not os.access("/etc/mailinabox.conf", os.W_OK, effective_ids=True):
		print("This script must be run as root.", file=sys.stderr)
		sys.exit(1)

	env = load_environment()

	ourver = int(env.get("MIGRATIONID", "0"))

	while True:
		next_ver = (ourver + 1)
		migration_func = globals().get("migration_%d" % next_ver)

		if not migration_func:
			# No more migrations to run.
			break

		print("Running migration to Mail-in-a-Box #%d..." % next_ver)

		try:
			migration_func(env)
		except Exception as e:
			print()
			print("Error running the migration script:")
			print()
			print(e)
			print()
			print("Your system may be in an inconsistent state now. We're terribly sorry. A re-install from a backup might be the best way to continue.")
			sys.exit(1)

		ourver = next_ver

		# Write out our current version now. Do this sooner rather than later
		# in case of any problems.
		env["MIGRATIONID"] = ourver
		save_environment(env)
Esempio n. 4
0
	while True:
		next_ver = (ourver + 1)
		migration_func = globals().get("migration_%d" % next_ver)

		if not migration_func:
			# No more migrations to run.
			break

		print("Running migration to Mail-in-a-Box #%d..." % next_ver)

		try:
			migration_func(env)
		except Exception as e:
			print()
			print("Error running the migration script:")
			print()
			print(e)
			print()
			print("Your system may be in an inconsistent state now. We're terribly sorry. A re-install from a backup might be the best way to continue.")
			sys.exit(1)

		ourver = next_ver

		# Write out our current version now. Do this sooner rather than later
		# in case of any problems.
		env["MIGRATIONID"] = ourver
		save_environment(env)

		# iterate and try next version...