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Diffstat (limited to 'migrations/002-missing-chunk-morphs.py')
-rwxr-xr-x | migrations/002-missing-chunk-morphs.py | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/migrations/002-missing-chunk-morphs.py b/migrations/002-missing-chunk-morphs.py deleted file mode 100755 index 2c93804e..00000000 --- a/migrations/002-missing-chunk-morphs.py +++ /dev/null @@ -1,73 +0,0 @@ -#!/usr/bin/env python -# Copyright (C) 2015 Codethink Limited -# -# 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 -# the Free Software Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program. If not, see <http://www.gnu.org/licenses/>. - - -'''Migration to Baserock Definitions format version 2. - -In version 2, the processing of the 'morph:' field within stratum .morph files -became more strict. This migration checks whether definitions are valid -according to version 2 of the format. - -''' - - -import os -import sys -import warnings - -import migrations - - -TO_VERSION = 2 - - -def check_missing_chunk_morphs(contents, filename): - assert contents['kind'] == 'stratum' - - valid = True - - for chunk_ref in contents.get('chunks', []): - if 'morph' in chunk_ref: - chunk_path = os.path.join('.', chunk_ref['morph']) - if not os.path.exists(chunk_path): - # There's no way we can really fix this, so - # just warn and say the migration failed. - warnings.warn( - "%s points to non-existant file %s" % - (contents['name'], chunk_ref['morph'])) - valid = False - - return valid - - -try: - if migrations.check_definitions_version(TO_VERSION - 1): - safe_to_migrate = migrations.process_definitions( - kinds=['stratum'], validate_cb=check_missing_chunk_morphs) - - if not safe_to_migrate: - sys.stderr.write( - "Migration failed due to one or more warnings.\n") - sys.exit(1) - else: - migrations.set_definitions_version(TO_VERSION) - sys.stdout.write("Migration completed successfully.\n") - sys.exit(0) - else: - sys.stdout.write("Nothing to do.\n") - sys.exit(0) -except RuntimeError as e: - sys.stderr.write("Error: %s\n" % e.message) - sys.exit(1) |