devserver: pass a cache_user to initialize gsutil.
This CL passes an argument cache_user in gsutil initialization. This
'cache_user' is used to create cache directory for gsutil.
BUG=chromium:698304
TEST=emerge chromite to local moblab DUT, call devserver to provision
it. Ran cros flash ssh://.
Change-Id: Ia5789ce18ac4d87e74ccf4f0bb9db7ec535cdccf
Reviewed-on: https://chromium-review.googlesource.com/457861
Commit-Ready: Xixuan Wu <xixuan@chromium.org>
Tested-by: Xixuan Wu <xixuan@chromium.org>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
diff --git a/common_util.py b/common_util.py
index b0092d8..a606d9d 100644
--- a/common_util.py
+++ b/common_util.py
@@ -414,3 +414,26 @@
def IsInsideChroot():
"""Returns True if we are inside chroot."""
return os.path.exists('/etc/debian_chroot')
+
+
+def IsRunningOnMoblab():
+ """Returns True if this code is running on a chromiumOS DUT."""
+ cmd = ['cat', '/etc/lsb-release']
+ try:
+ proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ cmd_output, cmd_error = proc.communicate()
+
+ if cmd_error:
+ _Log('Error happened while reading lsb-release file: %s',
+ cmd_error.rstrip())
+ return False
+
+ if '_moblab' in cmd_output:
+ return True
+ else:
+ return False
+ except subprocess.CalledProcessError as e:
+ _Log('Error happened while checking whether devserver package is running '
+ 'on a DUT: %s\n%s', e, e.output)
+ return False