def parse(cls, config):
if 'name' not in config:
raise ConfigError('Dashboard name not specified.')
name = config['name']
config.setdefault('title', name)
name = utils.slugify(name)
config['name'] = name
# request interval is converted to milliseconds for client side
config['poll_interval'] = utils.parse_interval(config['poll_interval'])
if 'widgets' not in config:
raise ConfigError("Dashboard '%s' has no widgets" % name)
widgets = DashboardWidgetConfigs(config.pop('backend', {}))
for widget in config['widgets']:
if widget == 'new_row':
widgets.new_row()
else:
widgets.add_widget(widget)
config['widgets'] = widgets.to_list()
config['rows'] = widgets.by_row()
return config
def parse(cls, config):
config = super(GraphiteMetricConfig, cls).parse(config)
config['bucket_size'] = utils.parse_interval(config['bucket_size'])
config.setdefault(
'agg_method',
guess_aggregation_method(config['target']))
return config
def parse(cls, config):
super(ChartWidgetConfig, cls).parse(config)
if "metrics" not in config:
raise ConfigError("Chart widget '%s' needs metrics." % config["name"])
config["time_range"] = utils.parse_interval(config["time_range"])
config["bucket_size"] = utils.parse_interval(config["bucket_size"])
config["backend"].update(
{"bucket_size": config["bucket_size"], "metrics": [cls.parse_metric(m) for m in config.pop("metrics")]}
)
if "null_filter" in config:
config["backend"]["null_filter"] = config.pop("null_filter")
backend_config_cls = cls.for_type(config["backend"]["type"])
config["backend"] = backend_config_cls(config["backend"])
config["metrics"] = config["backend"]["metrics"]
return config
def test_parse_interval(self):
"""
Multiplier-suffixed intervals should be turned into integers correctly.
"""
self.assertEqual(2, utils.parse_interval(2))
self.assertEqual(2, utils.parse_interval("2"))
self.assertEqual(2 * 1000, utils.parse_interval("2s"))
self.assertEqual(120 * 1000, utils.parse_interval("2m"))
self.assertEqual(7200 * 1000, utils.parse_interval("2h"))
self.assertEqual(86400 * 1000 * 2, utils.parse_interval("2d"))
def parse(cls, config):
config = super(LValueWidgetConfig, cls).parse(config)
if 'target' not in config:
raise ConfigError("All LValueWidgets need a target")
config['time_range'] = utils.parse_interval(config['time_range'])
config['backend'].update({
'bucket_size': config['time_range'],
'time_alignment': 'floor',
'relative_time': True,
'metrics': [{
'target': config.pop('target'),
'null_filter': 'skip',
}]
})
backend_config_cls = cls.for_type(config['backend']['type'])
config['backend'] = backend_config_cls(config['backend'])
return config
