def GET(self):
with web.ctx.connFactory() as conn:
metrics = repository.getCustomMetrics(conn, getMetricDisplayFields(conn))
convertedMetrics = [convertMetricRowToMetricDict(metric)
for metric in metrics]
self.addStandardHeaders()
return json.dumps(convertedMetrics)
def GET(self, autostackId, *args): # pylint: disable=C0103,W0613
"""
Get Metrics associated with autostack
::
GET /_autostacks/{autostackId}/metrics
NOTE: args is ignored. Function signature for all method handlers must
be compatible with the regexp pattern that matches. POST optionally
takes a second argument, DELETE requires it.
"""
try:
self.addStandardHeaders()
engine = repository.engineFactory()
metricRows = repository.getAutostackMetrics(engine,
autostackId,
getMetricDisplayFields(engine))
metricsList = [convertMetricRowToMetricDict(metricRow)
for metricRow in metricRows]
return utils.jsonEncode(metricsList)
except ObjectNotFoundError:
raise web.notfound("Autostack not found: Autostack ID: %s" % autostackId)
except web.HTTPError as ex:
if bool(re.match(r"([45][0-9][0-9])\s?", web.ctx.status)):
# Log 400-599 status codes as errors, ignoring 200-399
log.error(str(ex) or repr(ex))
raise
except Exception as ex:
raise web.internalerror(str(ex) or repr(ex))
def POST(self, autostackId, data=None): # pylint: disable=C0103,R0201
"""
Create one or more Autostack Metric(s)
::
POST /_autostacks/{autostackId}/metrics
[
{
"namespace": "AWS/EC2",
"metric": "CPUUtilization"
},
...
]
Request body is a list of items, each of which are a subset of the
standard cloudwatch native metric, specifying only:
:param namespace: AWS Namespace
:type namespace: str
:param metric: AWS Metric name
:type str:
`datasource`, `region`, and `dimensions` normally required when creating
models are not necessary.
"""
try:
self.addStandardHeaders()
with web.ctx.connFactory() as conn:
autostackRow = repository.getAutostack(conn,
autostackId)
data = data or utils.jsonDecode(web.data())
for nativeMetric in data:
try:
if nativeMetric["namespace"] == "Autostacks":
slaveDatasource = "autostack"
else:
slaveDatasource = "cloudwatch" # only support cloudwatch for now
modelParams = {}
if "min" and "max" in nativeMetric:
modelParams["min"] = nativeMetric["min"]
modelParams["max"] = nativeMetric["max"]
modelSpec = {
"datasource": "autostack",
"metricSpec": {
"autostackId": autostackRow.uid,
"slaveDatasource": slaveDatasource,
"slaveMetric": nativeMetric
},
"modelParams": modelParams
}
metricId = (createAutostackDatasourceAdapter()
.monitorMetric(modelSpec))
with web.ctx.connFactory() as conn:
metricRow = repository.getMetric(conn, metricId)
metricDict = convertMetricRowToMetricDict(metricRow)
except KeyError:
raise web.badrequest("Missing details in request")
except ValueError:
response = {"result": "failure"}
raise web.badrequest(utils.jsonEncode(response))
response = {"result": "success", "metric": metricDict}
raise web.created(utils.jsonEncode(response))
except ObjectNotFoundError:
raise web.notfound("Autostack not found: Autostack ID: %s" % autostackId)
except (web.HTTPError) as ex:
if bool(re.match(r"([45][0-9][0-9])\s?", web.ctx.status)):
# Log 400-599 status codes as errors, ignoring 200-399
log.error(str(ex) or repr(ex))
raise
except Exception as ex:
log.exception("POST Failed")
raise web.internalerror(str(ex) or repr(ex))
