Retry npm calls since they seem a bit unreliable.
BUG=451985
R=kjellander@chromium.org
Review URL: https://codereview.chromium.org/878903003
git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/webrtc/webrtc.DEPS@293822 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
diff --git a/build_apprtc_closure.py b/build_apprtc_closure.py
index 60703cf..81a8e76 100755
--- a/build_apprtc_closure.py
+++ b/build_apprtc_closure.py
@@ -11,7 +11,6 @@
import os
import shutil
-import subprocess
import sys
import utils
@@ -34,14 +33,15 @@
npm_bin = os.path.join(node_path, 'bin', 'npm')
node_bin = os.path.join(node_path, 'bin', 'node')
- subprocess.check_call([npm_bin, 'install'])
+ utils.RunSubprocessWithRetry([npm_bin, 'install'])
local_grunt_bin = os.path.join('node_modules', 'grunt-cli', 'bin', 'grunt')
if not os.path.exists(local_grunt_bin):
return ('Missing grunt-cli in the webrtc-samples checkout; did '
'npm install fail?')
- subprocess.check_call([node_bin, local_grunt_bin, 'closurecompiler:debug'])
+ utils.RunSubprocessWithRetry([node_bin, local_grunt_bin,
+ 'closurecompiler:debug'])
if __name__ == '__main__':
diff --git a/utils.py b/utils.py
index 827cd3e..b32af09 100755
--- a/utils.py
+++ b/utils.py
@@ -11,9 +11,25 @@
import sys
import subprocess
import tarfile
+import time
import zipfile
+def RunSubprocessWithRetry(cmd):
+ """Invokes the subprocess and backs off exponentially on fail."""
+ for i in range(5):
+ try:
+ subprocess.check_call(cmd)
+ return
+ except subprocess.CalledProcessError as exception:
+ backoff = pow(2, i)
+ print 'Got %s, retrying in %d seconds...' % (exception, backoff)
+ time.sleep(backoff)
+
+ print 'Giving up.'
+ raise exception
+
+
def DownloadFilesFromGoogleStorage(path):
print 'Downloading files in %s...' % path
