def __init__(self, charm, relation_name):
super().__init__(charm, relation_name)
self.fw_adapter = FrameworkAdapter(self.framework)
self.relation_name = relation_name
self.fw_adapter.observe(charm.on[relation_name].relation_changed,
self.on_relation_changed)
def test__am_i_leader__returns_true_if_unit_is_leader(self):
# Setup
mock_framework = create_autospec(self.create_framework(),
spec_set=True)
mock_framework.model.unit.is_leader.return_value = True
# Exercise
adapter = FrameworkAdapter(mock_framework)
is_leader = adapter.am_i_leader()
# Assert
assert is_leader
def test__get_app_name__returns_the_name_of_the_app(self):
# Setup
mock_framework = create_autospec(self.create_framework(),
spec_set=True)
mock_app_name = str(uuid4())
mock_framework.model.app.name = mock_app_name
# Exercise
adapter = FrameworkAdapter(mock_framework)
app_name = adapter.get_app_name()
# Assert
assert app_name == mock_app_name
def test__get_config__returns_a_value_given_a_key(self):
# Setup
mock_framework = create_autospec(self.create_framework(),
spec_set=True)
mock_key = str(uuid4())
mock_value = str(uuid4())
mock_framework.model.config = {mock_key: mock_value}
# Exercise
adapter = FrameworkAdapter(mock_framework)
value = adapter.get_config(mock_key)
# Assert
assert value == mock_value
def __init__(self, *args):
super().__init__(*args)
self.dbd_requires = HostPortRequires(self, "slurmdbd-host-port")
self.fw_adapter = FrameworkAdapter(self.framework)
self.slurm_snap = self.slurm_instance_manager_cls(self, "slurmdctld")
self.munge = MungeProvides(self, "munge")
event_handler_bindings = {
self.on.install:
self._on_install,
self.dbd_requires.on.host_port_available:
self._on_dbd_host_port_available,
}
for event, handler in event_handler_bindings.items():
self.fw_adapter.observe(event, handler)
def __init__(self, charm, key):
super().__init__(charm, key)
self.snap_mode = key
self.fw_adapter = FrameworkAdapter(self.framework)
# Set the template and config file paths based on the snap.mode.
# Throw an exception if initialized with an unsupported snap.mode.
if self.snap_mode == "slurmdbd":
self.slurm_config_yaml = self.SLURM_CONFIGURATOR_TEMPLATES_DIR / 'slurmdbd.yaml'
self.slurm_config_template = self.TEMPLATE_DIR / 'slurmdbd.yaml.tmpl'
elif self.snap_mode in ["slurmd", "slurmrestd", "slurmctld"]:
self.slurm_config_yaml = self.SLURM_CONFIGURATOR_TEMPLATES_DIR / 'slurm.yaml'
self.slurm_config_template = self.TEMPLATE_DIR / 'slurm.yaml.tmpl'
else:
self.logger.error(
f"Slurm component not supported: {self.snap_mode}",
exc_info=True)
def test__get_config__returns_the_config_dict_when_no_key_given(self):
# Setup
mock_framework = create_autospec(self.create_framework(),
spec_set=True)
mock_config = {
str(uuid4()): str(uuid4()),
str(uuid4()): str(uuid4()),
str(uuid4()): str(uuid4()),
str(uuid4()): str(uuid4()),
}
mock_framework.model.config = mock_config
# Exercise
adapter = FrameworkAdapter(mock_framework)
config = adapter.get_config()
# Assert
assert config == mock_config
def test__get_image_meta__returns_an_image_meta_object(
self, mock_fetch_image_meta_func):
# Setup
framework = self.create_framework()
mock_framework = create_autospec(framework, spec_set=True)
mock_framework.model = create_autospec(framework.model, spec_set=True)
image_name = uuid4()
# Exercise
adapter = FrameworkAdapter(mock_framework)
image_meta = adapter.get_image_meta(image_name)
# Assert
assert mock_fetch_image_meta_func.call_count == 1
assert mock_fetch_image_meta_func.call_args == \
call(image_name, mock_framework.model.resources)
assert image_meta == mock_fetch_image_meta_func.return_value
def __init__(self, *args):
super().__init__(*args)
self._state.set_default(db_info=None)
self._state.set_default(munge_key=None)
# provides host port to slurmctld
self.dbd_provides = HostPortProvides(self, "slurmdbd-host-port", f'{socket.gethostname()}', '6819')
self.slurm_snap = self.slurm_instance_manager_cls(self, "slurmdbd")
self.fw_adapter = FrameworkAdapter(self.framework)
self.db = MySQLClient(self, "db")
self.munge = MungeRequires(self, "munge")
event_handler_bindings = {
self.db.on.database_available: self._on_database_available,
self.munge.on.munge_available: self._on_munge_available,
self.on.install: self._on_install,
self.on.start: self._on_start,
}
for event, handler in event_handler_bindings.items():
self.fw_adapter.observe(event, handler)
def __init__(self, *args):
super().__init__(*args)
# Abstract out framework and friends so that this object is not
# too tightly coupled with the underlying framework's implementation.
# From this point forward, our Charm object will only interact with the
# adapter and not directly with the framework.
self.fw_adapter = FrameworkAdapter(self.framework)
self.prometheus = PrometheusInterface(self, 'http-api')
self.alertmanager = AlertManagerInterface(self, 'alertmanager')
# Bind event handlers to events
event_handler_bindings = {
self.on.start: self.on_start,
self.on.config_changed: self.on_config_changed,
self.on.upgrade_charm: self.on_upgrade,
self.on.stop: self.on_stop,
self.alertmanager.on.new_relation:
self.on_new_alertmanager_relation
}
for event, handler in event_handler_bindings.items():
self.fw_adapter.observe(event, handler)
self._stored.set_default(is_started=False)
def __init__(self, *args):
super().__init__(*args)
# Abstract out framework and friends so that this object is not
# too tightly coupled with the underlying framework's implementation.
# From this point forward, our Charm object will only interact with the
# adapter and not directly with the framework.
self.fw_adapter = FrameworkAdapter(self.framework)
self.prom_relation_name = 'prometheus'
self.prom_interface = \
PrometheusInterface(self, self.prom_relation_name)
# Bind event handlers to events
event_handler_bindings = {
self.on.start: self.on_start,
self.on.config_changed: self.on_config_changed,
self.on.upgrade_charm: self.on_upgrade,
self.on.stop: self.on_stop,
self.prom_interface.on.new_prom_rel: self.on_new_prom_rel
}
for event, handler in event_handler_bindings.items():
self.fw_adapter.observe(event, handler)
