def parse(self): # type: (ConfigType) -> List[Core]
'''
Parse configuration into list of cores
Raises:
:py:class:`floopcli.config.UnmetHostDependencyException`:
rsync and/or docker-machine binary path does not exist
:py:class:`floopcli.config.MalformedConfigException`:
configuration is missing keys expected by :py:class:`floopcli.iot.core.Core`
Returns:
[:py:class:`floopcli.iot.core.Core`]:
list of cores defined in config
'''
# only handle dependency checking
# let core handle host and target checking to prevent race
for core in self.config:
for key, val in core.items():
if key.endswith('_bin'):
try:
dep_path = isfile(val)
if not dep_path:
raise ValueError
except (ValueError, TypeError):
err = 'Dependency {} not found at {}'.format(
key.replace('_bin', ''), str(val))
# TODO: test in an environment with unmet dependencies
raise UnmetHostDependencyException(err)
cores = []
for core in self.config:
try:
cores.append(Core(**core))
except TypeError as e:
missing_key = repr(e).split(' ')[-1]
err = '{} (core) has no {} (property)'.format(
core['core'], missing_key)
raise MalformedConfigException(err)
return cores
def test_core_push_protected_target_dir_fails(
fixture_protected_target_directory_config):
core = Core(**fixture_protected_target_directory_config)
create(core)
with pytest.raises(CoreCommunicationException):
push(core)
def test_core_create_invalid_core_fails(fixture_invalid_core_core_config):
core = Core(**fixture_invalid_core_core_config)
with pytest.raises(CoreCreateException):
create(core)
def test_core_set_attributes_after_init_fails(fixture_valid_core_config):
core = Core(**fixture_valid_core_config)
for key in fixture_valid_core_config.keys():
with pytest.raises(CannotSetImmutableAttribute):
setattr(core, key, fixture_valid_core_config[key])
def test_core_init_nonexistent_ssh_key_fails(fixture_valid_core_config):
config = fixture_valid_core_config
config['host_key'] = '/definitely/not/a/valid/ssh/key'
with pytest.raises(SSHKeyNotFound):
Core(**fixture_valid_core_config)
def test_core_nonexistent_src_dir_fails(fixture_nonexistent_source_dir_config):
with pytest.raises(CoreSourceNotFound):
Core(**fixture_nonexistent_source_dir_config)
def test_core_init(fixture_docker_machine_bin, fixture_valid_core_config):
core = Core(**fixture_valid_core_config)
def fixture_valid_core(request):
valid_config = fixture_valid_core_config(request)
core = Core(**valid_config)
create(core, check=True)
return core