def getModel(metricId):
try:
with web.ctx.connFactory() as conn:
metric = repository.getMetric(conn,
metricId,
getMetricDisplayFields(conn))
return metric
except app_exceptions.ObjectNotFoundError:
raise web.notfound("ObjectNotFoundError Metric not found: Metric ID: %s"
% metricId)
def formatMetricRowProxy(metricObj):
if metricObj.tag_name is not None and len(metricObj.tag_name) > 0:
displayName = "%s (%s)" % (metricObj.tag_name, metricObj.server)
else:
displayName = metricObj.server
if (hasattr(metricObj, "parameters") and
isinstance(metricObj.parameters, basestring)):
parameters = json.loads(metricObj.parameters)
else:
parameters = metricObj.parameters
engine = repository.engineFactory()
allowedKeys = set([col.name for col in getMetricDisplayFields(engine)])
metricDict = dict((col, getattr(metricObj, col))
for col in metricObj.keys()
if col in allowedKeys)
metricDict["display_name"] = displayName
metricDict["parameters"] = parameters
return metricDict
def GET(self, period):
"""
Get metrics, sorted by anomalies over specified period (hours)
:param period: Period (hours) over which to consider anomalies for sort
order
:type period: int
:returns: List of metrics
:rtype: list
Example request::
GET /_anomalies/period/{period}
Example response::
[
{
"status": 1,
"last_rowid": 4033,
"display_name": "jenkins-master (us-west-2/AWS/EC2/i-12345678)",
"description": "NetworkIn on EC2 instance i-12345678 in us-west-2",
"name": "AWS/EC2/NetworkIn",
"last_timestamp": "2014-04-14 20:29:00",
"poll_interval": 300,
"server": "us-west-2/AWS/EC2/i-12345678",
"tag_name": "jenkins-master",
"datasource": "cloudwatch",
"location": "us-west-2",
"message": null,
"parameters": {
"InstanceId": "i-12345678",
"region": "us-west-2"
},
"uid": "0b6b97022fdb4134936aae92aa67393b"
},
...
]
"""
try:
self.addStandardHeaders()
engine = repository.engineFactory()
with engine.connect() as conn:
modelIterator = repository.getAllMetrics(conn, fields=getMetricDisplayFields(conn))
displayValuesMap = repository.getMetricIdsSortedByDisplayValue(conn, period)
# Keep track of the largest model display value for each server
serverValues = defaultdict(float)
modelsList = []
for model in modelIterator:
val = displayValuesMap.get(model.uid)
if val is not None:
serverValues[model.server] = max(float(val),
serverValues[model.server])
modelsList.append(convertMetricRowToMetricDict(model))
# Sort by the primary key. The order within each server is preserved
# from previous sort.
def getModelRankByServer(model):
return (-serverValues[model["server"]], model["server"], model["name"])
modelsList = sorted(modelsList, key=getModelRankByServer)
return utils.jsonEncode(modelsList)
except (web.HTTPError) as ex:
log.info(str(ex) or repr(ex))
raise ex
except Exception as ex:
log.exception("GET Failed")
raise web.internalerror(str(ex) or repr(ex))
def getAllModels():
with web.ctx.connFactory() as conn:
return repository.getAllModels(conn, getMetricDisplayFields(conn))
def GET(self):
"""
Get metrics, sorted by AWS name tag / instance ID
:returns: List of metrics
:rtype: list
Example request::
GET /_anomalies/name
Example response::
[
{
"status": 1,
"last_rowid": 4033,
"display_name": "jenkins-master (us-west-2/AWS/EC2/i-12345678)",
"description": "NetworkIn on EC2 instance i-12345678 in us-west-2",
"name": "AWS/EC2/NetworkIn",
"last_timestamp": "2014-04-14 20:29:00",
"poll_interval": 300,
"server": "us-west-2/AWS/EC2/i-12345678",
"tag_name": "jenkins-master",
"datasource": "cloudwatch",
"location": "us-west-2",
"message": null,
"parameters": {
"InstanceId": "i-12345678",
"region": "us-west-2"
},
"uid": "0b6b97022fdb4134936aae92aa67393b"
},
...
]
"""
try:
self.addStandardHeaders()
engine = repository.engineFactory()
with engine.connect() as conn:
modelIterator = repository.getAllMetrics(conn, fields=getMetricDisplayFields(conn))
modelsList = [convertMetricRowToMetricDict(model) for model in modelIterator]
# Sort by tag_name, and then parameters=>InstanceID
def cmpFn(model1, model2):
name1 = model1["tag_name"]
name2 = model2["tag_name"]
id1 = model1["parameters"].get("InstanceID")
id2 = model2["parameters"].get("InstanceID")
if name1 and not name2:
return -1
elif name2 and not name1:
return 1
elif name1 != name2:
return cmp(name1, name2)
elif id1 and not id2:
return -1
elif id2 and not id1:
return 1
elif id1 != id2:
return cmp(id1, id2)
return 0
modelsList.sort(cmpFn)
return utils.jsonEncode(modelsList)
except (web.HTTPError) as ex:
log.info(str(ex) or repr(ex))
raise ex
except Exception as ex:
log.exception("GET Failed")
raise web.internalerror(str(ex) or repr(ex))
