235 lines
7.8 KiB
Python
235 lines
7.8 KiB
Python
#!/usr/bin/env python3
|
|
import json
|
|
import time
|
|
from datetime import datetime
|
|
import tzlocal
|
|
from xeger import Xeger
|
|
from flask_restful import Resource
|
|
from flask import request, current_app, abort
|
|
import requests
|
|
from magic_amqp import magic_amqp
|
|
from db import db
|
|
from influxus import influx_db
|
|
from models import SampleMetadata
|
|
from schemas import SampleSchema, SampleMetadataSchema
|
|
from requests_opentracing import SessionTracing
|
|
import opentracing
|
|
|
|
"""
|
|
Flask Restful endpoints
|
|
"""
|
|
|
|
__author__ = '@tormakris'
|
|
__copyright__ = "Copyright 2020, Birbnetes Team"
|
|
__module_name__ = "endpoints"
|
|
__version__text__ = "1"
|
|
|
|
|
|
class SampleResource(Resource):
|
|
"""
|
|
Sample endpoint
|
|
See: https://swagger.kmlabz.com/?urls.primaryName=Input%20Service
|
|
"""
|
|
|
|
sampleschema = SampleSchema(many=False)
|
|
samplemetadataschema = SampleMetadataSchema(many=True)
|
|
|
|
def post(self):
|
|
"""
|
|
Post request send to the endpoint
|
|
:return:
|
|
"""
|
|
with opentracing.tracer.start_active_span('parseAndValidate'):
|
|
if 'file' not in request.files:
|
|
return abort(400, "no file found")
|
|
else:
|
|
soundfile = request.files['file']
|
|
|
|
if 'description' not in request.form:
|
|
return abort(400, "no description found")
|
|
else:
|
|
description = request.form.get("description")
|
|
|
|
if soundfile.content_type != 'audio/wave':
|
|
current_app.logger.info(f"Input file was not WAV.")
|
|
return abort(415, 'Input file not a wave file.')
|
|
try:
|
|
desc = self.sampleschema.loads(description)
|
|
except Exception as e:
|
|
current_app.logger.exception(e)
|
|
return abort(417, 'Input JSON schema invalid')
|
|
|
|
with opentracing.tracer.start_active_span('generateTag'):
|
|
xeger = Xeger(limit=30)
|
|
while True:
|
|
generated_tag = xeger.xeger(r'^[a-zA-Z]+[0-9a-zA-Z_]*$')[:32]
|
|
if len(generated_tag) > 2: # Ensure minimum length
|
|
break
|
|
|
|
# Handle mega-autismo-cliento
|
|
soundfile_content_length = soundfile.content_length
|
|
if soundfile_content_length <= 0: # BRUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUH
|
|
with opentracing.tracer.start_active_span(
|
|
'calculateContentLength'): # In an ideal scenario this span is missing
|
|
current_app.logger.debug(
|
|
"The uploader did not provide content-length for the sound file... Calculating manually..."
|
|
)
|
|
# So, this is a seekable stream, so we just seek to the end
|
|
old_ptr = soundfile.tell()
|
|
soundfile.seek(0, 2)
|
|
# Check where is the end (= content length)
|
|
soundfile_content_length = soundfile.tell()
|
|
# Seek back to where the stream was
|
|
soundfile.seek(old_ptr, 0)
|
|
|
|
# It's insane, that you can not set this field in curl
|
|
|
|
with opentracing.tracer.start_active_span('sqlalchemy.create'):
|
|
record = SampleMetadata(
|
|
device_id=desc['device_id'],
|
|
device_date=desc['date'],
|
|
tag=generated_tag
|
|
)
|
|
db.session.add(record)
|
|
|
|
with opentracing.tracer.start_active_span('uploadToStorageService'):
|
|
files = {
|
|
'description': (None, json.dumps({'tag': generated_tag}), 'application/json'),
|
|
'soundFile': (
|
|
'wave.wav',
|
|
soundfile,
|
|
soundfile.content_type,
|
|
{'Content-Length': soundfile_content_length})}
|
|
|
|
upload_started = time.time()
|
|
r = SessionTracing(propagate=True).post(
|
|
f"http://{current_app.config.get('STORAGE_HOSTNAME')}/object",
|
|
files=files
|
|
)
|
|
upload_time = time.time() - upload_started
|
|
|
|
if upload_time > 0.8:
|
|
current_app.logger.warning(f"Uploading to storage-service took {upload_time:5} sec")
|
|
|
|
if r.status_code not in [200, 201]:
|
|
return abort(500,
|
|
f"Failed to upload sample to storage service. Upstream status: {r.status_code}: {r.text}")
|
|
|
|
with opentracing.tracer.start_active_span('sqlalchemy.commit'):
|
|
db.session.commit()
|
|
|
|
# Announce only after the data is successfully committed
|
|
with opentracing.tracer.start_active_span('publishMessage'):
|
|
try:
|
|
magic_amqp.publish({'tag': generated_tag})
|
|
except Exception as e:
|
|
current_app.logger.exception(e)
|
|
return abort(500, f"AMQP Publish error: {str(e)}")
|
|
|
|
# metrics
|
|
if current_app.config['ENABLE_INFLUXDB']:
|
|
with opentracing.tracer.start_active_span('influxdb.write_points'):
|
|
influx_db.write_points(
|
|
[
|
|
{
|
|
'time': datetime.now(tz=tzlocal.get_localzone()),
|
|
'measurement': 'cloudinput',
|
|
'tags': {
|
|
'device': desc['device_id']
|
|
},
|
|
'fields': {
|
|
'bruh': 1.0
|
|
}
|
|
}
|
|
]
|
|
)
|
|
|
|
return {"tag": generated_tag}, 200
|
|
|
|
def get(self):
|
|
"""
|
|
Get all stored items
|
|
:return:
|
|
"""
|
|
with opentracing.tracer.start_active_span('compileQuery'):
|
|
query = SampleMetadata.query
|
|
|
|
## Compile filters ##
|
|
|
|
filters = []
|
|
try:
|
|
first = int(request.args.get('first'))
|
|
except (ValueError, TypeError):
|
|
first = None
|
|
else:
|
|
filters.append(
|
|
SampleMetadata.id >= first
|
|
)
|
|
|
|
try:
|
|
after = datetime.fromisoformat(request.args.get('after'))
|
|
except (ValueError, TypeError):
|
|
after = None
|
|
else:
|
|
filters.append(
|
|
SampleMetadata.timestamp > after
|
|
)
|
|
|
|
try:
|
|
before = datetime.fromisoformat(request.args.get('after'))
|
|
except (ValueError, TypeError):
|
|
before = None
|
|
else:
|
|
filters.append(
|
|
SampleMetadata.timestamp < before
|
|
)
|
|
|
|
if filters:
|
|
query = query.filter(db.and_(*filters))
|
|
|
|
try:
|
|
limit = int(request.args.get('limit'))
|
|
except (ValueError, TypeError):
|
|
limit = None
|
|
else:
|
|
query = query.limit(limit)
|
|
|
|
## Run query ##
|
|
count = "count" in request.args.get
|
|
tags = {
|
|
"first": first,
|
|
"limit": limit,
|
|
"after": after,
|
|
"before": before
|
|
}
|
|
|
|
if count:
|
|
with opentracing.tracer.start_active_span('sqlalchemy.count', tags=tags):
|
|
rows = query.count()
|
|
|
|
return {"count": rows}, 200
|
|
else:
|
|
with opentracing.tracer.start_active_span('sqlalchemy.select', tags=tags):
|
|
samples = query.all()
|
|
|
|
return self.samplemetadataschema.dump(list(samples)), 200
|
|
|
|
|
|
class SampleParameterResource(Resource):
|
|
"""
|
|
Sample endpoint with parameters
|
|
"""
|
|
|
|
samplemetadataschema = SampleMetadataSchema(many=False)
|
|
|
|
def get(self, tag: str):
|
|
"""
|
|
Get a specific item
|
|
:param tag:
|
|
:return:
|
|
"""
|
|
with opentracing.tracer.start_active_span('sqlalchemy.select', tags={"tag": tag}):
|
|
sample = SampleMetadata.query.filter_by(tag=tag).first_or_404()
|
|
|
|
return self.samplemetadataschema.dump(sample), 200
|