def Run(self, staging_area, jar_file, app_dir):
# Logic is simple: copy the jar in the staged area, and create a simple
# file app.yaml for runtime: java11.
shutil.copy2(jar_file, staging_area)
files.WriteFileContents(os.path.join(staging_area, 'app.yaml'),
'runtime: java11\n',
private=True)
manifest = jarfile.ReadManifest(jar_file)
if manifest:
main_entry = manifest.main_section.get('Main-Class')
if main_entry is None:
raise NoMainClassError()
classpath_entry = manifest.main_section.get('Class-Path')
if classpath_entry:
libs = classpath_entry.split()
for lib in libs:
dependent_file = os.path.join(app_dir, lib)
# We copy the dep jar in the correct staging sub directories
# and only if it exists,
if os.path.isfile(dependent_file):
destination = os.path.join(staging_area, lib)
files.MakeDir(
os.path.abspath(
os.path.join(destination, os.pardir)))
if hasattr(os, 'symlink'):
os.symlink(dependent_file, destination)
else:
shutil.copy(dependent_file, destination)
return staging_area
def testManifestFromJar(self):
# exploded_jar has a complex MANIFEST.MF entry used for testing.
dir_name = self.Resource('tests', 'unit', 'surface', 'app', 'test_data',
'exploded_jar')
with file_utils.TemporaryDirectory() as tmp_dir:
jar_file = os.path.join(tmp_dir, 'foo.jar')
shutil.make_archive(jar_file, 'zip', dir_name)
manifest = jarfile.ReadManifest(jar_file + '.zip')
self.assertIn('Manifest-Version', manifest.main_section)
self.assertEqual(manifest.main_section['Implementation-Title'], 'Ludo')
libs = manifest.main_section['Class-Path'].split()
# Test only the first 3 classpath entries to validate the parsing.
self.assertEqual(len(libs), 32)
self.assertEqual(libs[0], 'lib/dependent.jar')
self.assertEqual(libs[1], 'lib/google-cloud-datastore-1.6.0.jar')
self.assertEqual(libs[2],
'lib/com.google.cloud.google-cloud-core-1.64.0.jar')
