async def influx_fetch_limit_1(influx_clt: InfluxDBClient,
measurement,
is_near_now: bool,
database=None):
sql = f"SELECT * FROM {measurement} ORDER BY time {'DESC' if is_near_now else 'ASC'} LIMIT 1"
rs: ResultSet = influx_clt.query(sql)
points = list(rs.get_points(measurement))
if len(points) == 1:
return points[-1]
def getDataFromDb(slurm_start, slurm_end, user, database):
""" Connecting to Influx database """
start_date = encodeTime(slurm_start)
end_date = encodeTime(slurm_end)
client = InfluxDBClient(config.db_host, config.db_port, config.db_user,
config.db_pass)
qry_str = 'SELECT "value", "jobid" FROM ' + database + ' WHERE time > \'' + start_date + '\' AND time < \'' + end_date + '\' AND "user"=\'' + user + '\''
qry_res = client.query(qry_str)
return qry_res
def update_data(client: InfluxDBClient,
measurement: str,
tag_info: dict,
time: str,
fields: dict,
keep=True):
if keep == False:
raise NotImplementedError
sql_query = (f"SELECT *::field FROM {measurement} "
f"WHERE time='{time}' ")
for key, value in tag_info.items():
sql_query = sql_query + f" and {key}='{value}'"
# print(f"sql_query = {sql_query}")
results = client.query(sql_query)
# print(f"results: {results}")
points = results.get_points()
# print(f"points: {points}")
size = 0
for _point in points:
size += 1
if size == 1:
point = _point
if size == 0:
print("sql query returns empty result set")
raise Exception
# print(f"point = {point}")
''' update point
point sample:
point = {
'time': '2021-01-23T15:58:30.750000Z',
'acceleration': 0.005427043900637734,
'gyroscope': 0.009184479105195894,
'latitude': 31.143920631980222,
'longitude': 121.36646195555223,
'velocity': 0.0
}
'''
updated_point = {
"measurement": measurement,
"time": time,
"tags": tag_info,
}
updated_fields = {}
# update fields for old point
for key, value in point.items():
if key == 'time':
continue
if key in fields.keys():
updated_fields[key] = fields[key]
else:
updated_fields[key] = value
# add fields who does not exist in old point
for key, value in fields.items():
if key not in point.keys():
updated_fields[key] = value
updated_point["fields"] = updated_fields
body = [updated_point]
# print(body)
client.write_points(body)
database=influxdb)
groupings = {"other.other": []}
for iserie in influxclient.get_list_series(influxdb):
for ilist in iserie["tags"]:
if (not ilist["key"].startswith("cpu.trace")):
tags = split(split(ilist["key"], sep=",")[0], sep=".")
if (len(tags) >= 2):
if (tags[0] + "." + tags[1]) in groupings:
groupings[tags[0] + "." + tags[1]].append(ilist["key"])
else:
groupings[tags[0] + "." + tags[1]] = [ilist["key"]]
else:
groupings["other.other"].append(ilist["key"])
for igroupname in groupings:
figs = []
for iserie in groupings[igroupname]:
currname = split(iserie, sep=',')[0]
currpid = split(split(iserie, sep="pid=")[1], sep=",")[0]
icurve = SingleFigure(currname + "." + currpid)
iset = influxclient.query("SELECT * FROM \"" + currname +
"\" ORDER BY time")
for i in iset.get_points():
if (i["pid"] == currpid):
icurve.add(
float(
long(
timeparser.parse(i["time"]).strftime("%s%f")[:-3])
- hbshift) / 1000., i["value"])
figs.append(icurve)
plotGraph(igroupname, hbdata, figs)
