sheetsync, cutter: Collect metrics on http calls

In particular, to google apis.

common/common/googleapis.py

@@ -2,7 +2,11 @@
 import time
 
 import gevent
-import requests
+
+from .requests import InstrumentedSession
+
+# Wraps all requests in some metric collection
+requests = InstrumentedSession()
 
 
 class GoogleAPIClient(object):
@@ -40,7 +44,7 @@ class GoogleAPIClient(object):
 					'client_secret': self.client_secret,
 					'refresh_token': self.refresh_token,
 					'grant_type': 'refresh_token',
-				})
+				}, metric_name='get_access_token')
 				resp.raise_for_status()
 				data = resp.json()
 				self._access_token = data['access_token']

cutter/cutter/upload_backends.py

@@ -143,13 +143,14 @@ class Youtube(UploadBackend):
 				'uploadType': 'resumable',
 			},
 			json=json,
+			metric_name='create_video',
 		)
 		if not resp.ok:
 			# Don't retry, because failed calls still count against our upload quota.
 			# The risk of repeated failed attempts blowing through our quota is too high.
 			raise UploadError("Youtube create video call failed with {resp.status_code}: {resp.content}".format(resp=resp))
 		upload_url = resp.headers['Location']
-		resp = self.client.request('POST', upload_url, data=data)
+		resp = self.client.request('POST', upload_url, data=data, metric_name='upload_video')
 		if 400 <= resp.status_code < 500:
 			# As above, don't retry. But with 4xx's we know the upload didn't go through.
 			# On a 5xx, we can't be sure (the server is in an unspecified state).
@@ -169,6 +170,7 @@ class Youtube(UploadBackend):
 					'part': 'id,status',
 					'id': ','.join(group),
 				},
+				metric_name='list_videos',
 			)
 			resp.raise_for_status()
 			for item in resp.json()['items']:

sheetsync/sheetsync/sheets.py

@@ -23,6 +23,7 @@ class Sheets(object):
 			'https://sheets.googleapis.com/v4/spreadsheets/{}/values/{}'.format(
 				spreadsheet_id, range,
 			),
+			metric_name='get_rows',
 		)
 		resp.raise_for_status()
 		data = resp.json()
@@ -46,6 +47,7 @@ class Sheets(object):
 				"range": range,
 				"values": [[value]],
 			},
+			metric_name='write_value',
 		)
 		resp.raise_for_status()