[PATCH 2 of 2 STABLE] automation: execute powershell when connecting

Gregory Szorc gregory.szorc at gmail.com
Sun Jul 28 21:38:58 EDT 2019

# HG changeset patch
# User Gregory Szorc <gregory.szorc at gmail.com>
# Date 1564363951 25200
#      Sun Jul 28 18:32:31 2019 -0700
# Branch stable
# Node ID 5d734ed277d9d1467dd32acaf9e04e1aa60bb9dd
# Parent  9905d2b89f8ca2f542cd79986a0daf4bd72766d1
automation: execute powershell when connecting

For some reason, the ability to execute PS scripts appears to
come online after the ability to execute regular command scripts.
This is creating race conditions when connecting to instances
resulting in our wait_for_winrm() returning before PS is available
leading to an exception being thrown in other code.

Let's change the client connection code to execute a minimal
PS script so we can try to trap the exception in wait_for_winrm().

diff --git a/contrib/automation/hgautomation/winrm.py b/contrib/automation/hgautomation/winrm.py
--- a/contrib/automation/hgautomation/winrm.py
+++ b/contrib/automation/hgautomation/winrm.py
@@ -37,7 +37,7 @@ def wait_for_winrm(host, username, passw
             client = Client(host, username=username, password=password,
                             ssl=ssl, connection_timeout=5)
-            client.execute_cmd('echo "hello world"')
+            client.execute_ps("Write-Host 'Hello, World!'")
             return client
         except requests.exceptions.ConnectionError:
             if time.time() >= end_time:

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