Record timing stats for devstack node launch.

Add success/error/timeout counts.  Per node-provider.

Change-Id: I59960c59383cde42f3141b394073ee1babccc844

devstack-vm-launch.py

@@ -26,6 +26,7 @@ import time
 import paramiko
 import traceback
 import ConfigParser
+from statsd import statsd
 
 import myjenkins
 import vmdatabase
@@ -127,6 +128,10 @@ def check_machine(jenkins, client, machine, error_counts):
         machine.ip = ip
         print "Machine %s is running, testing ssh" % machine.id
         if utils.ssh_connect(ip, 'jenkins'):
+            dt = int((time.time() - machine.state_time) * 1000)
+            key = 'devstack.launch.%s' % machine.base_image.provider.name
+            statsd.timing(key, dt)
+            statsd.incr(key)
             print "Adding machine %s to Jenkins" % machine.id
             create_jenkins_node(jenkins, machine)
             print "Machine %s is ready" % machine.id
@@ -140,9 +145,12 @@ def check_machine(jenkins, client, machine, error_counts):
                                                     server.status,
                                                     count)
         if count >= 5:
+            statsd.incr('devstack.error.%s' % machine.base_image.provider.name)
             raise Exception("Too many errors querying machine %s" % machine.id)
     else:
         if time.time() - machine.state_time >= ABANDON_TIMEOUT:
+            statsd.incr('devstack.timeout.%s' %
+                        machine.base_image.provider.name)
             raise Exception("Waited too long for machine %s" % machine.id)