def __enter__(self):
"""
Instantiates a tcp client and connects to target application
The methods executes the following actions
1. Builds a rpyc connection to the target host
2. Copies appInfo file from remote host to a temporary filesystem path in localhost
3. Loads AppInfo object from the copied file
4. Establishes a tcp connection to the target application
"""
from xpedite.transport.remote import deliver
self.remote.__enter__()
self.proxy = deliver(self.remote.connection, self.proxy)
result = self.gatherFiles(self.appInfo.path)
if len(result) != 1:
errmsg = 'Failed to gather app info file {} from remote host {} - got {}'.format(
self.appInfo.path, self.ip, result)
LOGGER.error(errmsg)
raise Exception(errmsg)
self.appInfo = AppInfo(result[0])
LOGGER.debug('Copied appinfo files from remote host to %s',
self.appInfo.path)
Environment.__enter__(self)
LOGGER.debug(
'initializing remote environment - delivered proxy to %s ',
self.ip)
return self
def buildTargetApp(args, remote):
"""
Deliver a target application to the remote host if running remotely
"""
from xpedite.profiler.app import TargetApp
from xpedite.transport.remote import deliver
targetApp = TargetApp(args)
if remote:
targetApp = deliver(remote.connection, targetApp)
return targetApp
def makeTargetApp(self, context):
"""
Deliver a target application to the remote host if running remotely
"""
from xpedite.profiler.app import TargetApp
from xpedite.transport.remote import deliver
args = ([self.binary, '-c', '0', '-m', str(context.threadCount), '-t', str(context.txnCount)])
targetApp = TargetApp(args)
if self.remote:
targetApp = deliver(self.remote.connection, targetApp)
return targetApp