def collect():
entries = json.loads(local.request.data)
for entry in entries:
dsnames = entry["dsnames"]
dstypes = entry["dstypes"]
host = entry["host"]
plugin = entry["plugin"]
plugin_instance = entry["plugin_instance"]
type_ = entry["type"]
type_instance = entry["type_instance"]
time = entry["time"]
values = entry["values"]
if len(dsnames) != len(dstypes) or len(dstypes) != len(values):
error.log("Length mismatch (dsname, dstype, value): %s", repr(data))
for dstype, dsname, value in zip(dstypes,dsnames,values):
metadata_id = None
with sqlitedb() as db:
for row in db.execute("""
SELECT "id" FROM "metadata" WHERE
"dsname" = ? and
"dstype" = ? and
"host" = ? and
"plugin" = ? and
"plugin_instance" = ? and
"type" = ? and
"type_instance" = ?
LIMIT 1
""", (
dsname, dstype, host, plugin, plugin_instance, type_,
type_instance
)):
metadata_id = row[0]
if metadata_id == None:
metadata_id = db.execute("""
INSERT INTO "metadata" (
"dsname", "dstype", "host", "plugin",
"plugin_instance", "type", "type_instance"
) VALUES(?,?,?,?,?,?,?)
""", (
dsname, dstype, host, plugin, plugin_instance, type_,
type_instance
)).lastrowid
db.execute("""
INSERT INTO "data" (
"metadata", "time", "value"
) VALUES(?,?,?)
""", (
metadata_id, time, value
))
def iterdata(metadata_id, resolution=200, start=None, end=None):
timesql = ''
timeparams = []
if start != None:
timeparams.append(start)
timesql += 'and "time" >= ?'
if end != None:
timeparams.append(end)
timesql += 'and "time" <= ?'
timeparams = tuple(timeparams)
if resolution != None:
sql = 'SELECT max("time")-min("time")'
sql += 'FROM "data" where "metadata" = ?'
sql += timesql
for row in sqlitedb().execute(sql, (metadata_id,)+timeparams):
timediff = row[0]
timediff = timediff/resolution
sql = 'SELECT avg("time")*1000, avg("value")'
sql += 'FROM "data"'
sql += 'WHERE "metadata" = ?'
sql += timesql
sql += 'GROUP BY round("time"/?)'
sql += 'ORDER BY "time"'
for row in sqlitedb().execute(sql, (metadata_id,)+timeparams+(timediff,)):
yield row[0],row[1]
else:
sql = 'SELECT "time"*1000, "value" FROM "data" WHERE "metadata" = ?'
sql += timesql
sql += 'ORDER BY "time"'
for row in sqlitedb().execute(sql, (metadata_id,)+timeparams):
yield row[0],row[1]
def itermetadata():
for x in sqlitedb().execute("""
SELECT
"host", "plugin", "plugin_instance", "type",
"type_instance", "dsname", "dstype", "id"
FROM "metadata"
ORDER BY
"host", "plugin", "plugin_instance", "type",
"type_instance", "dsname", "dstype"
"""
):
doc = {
"host" : x[0],
"plugin" : x[1],
"plugin_instance": x[2],
"type" : x[3],
"type_instance" : x[4],
"dsname" : x[5],
"dstype" : x[6],
"id" : x[7]
}
yield doc