def add_util_forecast(self, util_forecast):
"""
Attaches utilization forecast, checks to make sure length is consistent.
"""
serieslen = fetch_yaml('leptoid/model_config.yml')['horizon']
if serieslen != len(util_forecast):
raise Exception(
"Utilization forecast does not have correct length.")
else:
self.util_forecast = util_forecast
def add_util_forecast(self, util_forecast):
"""
Attaches utilization forecast, checks to make sure length is consistent.
"""
serieslen = fetch_yaml('leptoid/model_config.yml')['horizon']
if serieslen != len(util_forecast):
raise Exception(
"Utilization forecast does not have correct length.")
else:
self.util_forecast = util_forecast
def __init__(self, metric_targets,
scaling_config='leptoid/scaling_config.yml'):
"""
Reads configs from local YAML file. Posibility of consolidating these.
"""
# Scaling limits.
config = utils.fetch_yaml(scaling_config)
self.api_params = config['render_config']
self.upscale_limits = config['upscale_limits']
self.downscale_limits = config['downscale_limits']
self.upscale_time_horizon = config['upscale_time_horizon']
self.downscale_time_horizon = config['downscale_time_horizon']
# Target namespaces
self.targets = metric_targets
LOG.debug("Targets:")
LOG.debug(self.targets)
self.recent_deploys = dict()
self.rollback_limit = {'production': 3600, 'staging': 600}
# Configs for forecasting
self.model_config = config['model_config']
'm1': {
'2xlarge': 'xlarge',
'xlarge': 'large',
'large': 'medium',
'medium': 'small'
},
'm2': {
'4xlarge': '2xlarge',
'2xlarge': 'xlarge'
},
'c1': {
'xlarge': 'medium'
}
}
NOOP_MODE = fetch_yaml('leptoid/scaling_config.yml')['noop']
def upscale(queue):
""" Externally-facing method for upscaling a service's instance size.
Parameters
----------
queue
leptoid.ServiceQueue object with the environment, service type, and
instance id to be scaled
Returns: int specifying deployment id#
"""
# Return blank deployment id in case of an error.
'xlarge': '2xlarge', '2xlarge': '4xlarge'},
'c1': {
'medium': 'xlarge'}
}
DOWNSCALE_TARGETS = {
'm1': {
'2xlarge': 'xlarge', 'xlarge': 'large', 'large': 'medium',
'medium': 'small'},
'm2': {
'4xlarge': '2xlarge', '2xlarge': 'xlarge'},
'c1': {
'xlarge': 'medium'}
}
NOOP_MODE = fetch_yaml('leptoid/scaling_config.yml')['noop']
def upscale(queue):
""" Externally-facing method for upscaling a service's instance size.
Parameters
----------
queue
leptoid.ServiceQueue object with the environment, service type, and
instance id to be scaled
Returns: int specifying deployment id#
"""
# Return blank deployment id in case of an error.
deploy_id = 0