mainroach

from cloud_trace_gae import Trace
    import webapp2
    class MainPage(webapp2.RequestHandler):
      def get(self):
        TContext = "NNNN/NNNN;xxxxx"
		if 'X-Cloud-Trace-Context' in self.request.headers:
			TContext=self.request.headers.get('X-Cloud-Trace-Context')
			logging.info(TContext)
 
		# Let's just trace some stuff

mainroach

from googleapiclient import discovery
from oauth2client.client import GoogleCredentials
 
class TraceContext(object):
	def write(self):
 
		# Build our JSON blob
		# …...
 
 

mainroach

 
class TraceContext(object):
	def write(self):
		…
	
		# Breakup our given cloud tracing context so we can get the flags out of it
		trace_id, root_span_id = self.cloud_trace_context.split(';')[0].split('/')
 
		# Grab our spans object as a json blob
		spans = [s.json() for s in _trace_context.spans]

mainroach

class MainHandler(webapp2.RequestHandler):
	def get(self):
 
		# When on dev-server, this value isn't there. So we have to catch that.
		TContext = "NNNN/NNNN;xxxxx"
		if 'X-Cloud-Trace-Context' in self.request.headers:
			TContext=self.request.headers.get('X-Cloud-Trace-Context')

mainroach

# to import the libraries.
import os
from google.appengine.api import app_identity
…
projectId = app_identity.get_application_id()

mainroach

class MainHandler(webapp2.RequestHandler):
	def get(self):
		# Let's just trace some stuff
		with TraceContext() as root:
			time.sleep(0.1)
			with root.span("slow") as spn:
				time.sleep(2)
			with root.span("my slow") as spn:
				time.sleep(2)
			with root.span("penut butter") as spn:

mainroach

# create a thread-local global context
_trace_context = threading.local()
 
##===============================================================
 
class TraceContext(object):
	
	def __enter__(self):
		self.start()
		return self

mainroach

 
class Span(object):
 
	def __init__(self, name, kind='SPAN_KIND_UNSPECIFIED'):
		self.id = str(random.getrandbits(64)) 
		self.name = name
		self.kind = kind
 
 
	def start(self):

mainroach

apt-get update

# Install tornado (and pip, which is needed)
apt-get install -y python-pip
pip install tornado
pip install futures

# Grab our specific scripts for the Service
sudo mkdir "/home/myservice/scripts/"
gsutil cp "gs://xxxxxxxxxxxxxx/myservice/service.py" "/home/myservice/scripts/service.py"

mainroach

import numpy as np 
import matplotlib.pyplot as plt 
import matplotlib.animation as animation 
import scipy.ndimage 
import scipy.signal