Add Node as a bot asset.

Should be used for running karma tests on skia-elements and also
for running lottiecap on bots.

Bug: skia:
Change-Id: I5c48cb741017be4eda014faea77ab88dec2e9637
Reviewed-on: https://skia-review.googlesource.com/115622
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Joe Gregorio <jcgregorio@google.com>

5 files changed, 139 insertions, 0 deletions

diff --git a/infra/bots/assets/node/common.py b/infra/bots/assets/node/common.py
new file mode 100755
index 0000000000..caa0ad899c
--- /dev/null
+++ b/infra/bots/assets/node/common.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python
+#
+# Copyright 2017 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+"""Common vars used by scripts in this directory."""
+
+
+import os
+import sys
+
+FILE_DIR = os.path.dirname(os.path.abspath(__file__))
+INFRA_BOTS_DIR = os.path.realpath(os.path.join(FILE_DIR, os.pardir, os.pardir))
+
+sys.path.insert(0, INFRA_BOTS_DIR)
+from assets import assets
+
+ASSET_NAME = os.path.basename(FILE_DIR)
+
+
+def run(cmd):
+  """Run a command, eg. "upload" or "download". """
+  assets.main([cmd, ASSET_NAME] + sys.argv[1:])
diff --git a/infra/bots/assets/node/create.py b/infra/bots/assets/node/create.py
new file mode 100755
index 0000000000..cf9a134047
--- /dev/null
+++ b/infra/bots/assets/node/create.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+#
+# Copyright 2017 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+"""Create the asset."""
+
+
+import argparse
+import os
+import subprocess
+
+NODE_URL = "https://nodejs.org/dist/v8.10.0/node-v8.10.0-linux-x64.tar.xz"
+NODE_EXTRACT_NAME = "node-v8.10.0-linux-x64"
+
+def create_asset(target_dir):
+  """Create the asset."""
+  p1 = subprocess.Popen(["curl", NODE_URL], stdout=subprocess.PIPE)
+  p2 = subprocess.Popen(["tar", "-C", target_dir, "-xJf" "-"], stdin=p1.stdout)
+  p1.stdout.close()  # Allow p1 to receive a SIGPIPE if p2 exits.
+  _,_ = p2.communicate()
+  os.rename(
+    os.path.join(target_dir, NODE_EXTRACT_NAME),
+    os.path.join(target_dir, "node")
+  )
+
+
+def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--target_dir', '-t', required=True)
+  args = parser.parse_args()
+  create_asset(args.target_dir)
+
+
+if __name__ == '__main__':
+  main()
diff --git a/infra/bots/assets/node/create_and_upload.py b/infra/bots/assets/node/create_and_upload.py
new file mode 100755
index 0000000000..de56a80fa8
--- /dev/null
+++ b/infra/bots/assets/node/create_and_upload.py
@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+#
+# Copyright 2017 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+"""Create the asset and upload it."""
+
+
+import argparse
+import common
+import os
+import subprocess
+import sys
+import utils
+
+
+def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--gsutil')
+  args = parser.parse_args()
+
+  with utils.tmp_dir():
+    cwd = os.getcwd()
+    create_script = os.path.join(common.FILE_DIR, 'create.py')
+    upload_script = os.path.join(common.FILE_DIR, 'upload.py')
+
+    try:
+      subprocess.check_call(['python', create_script, '-t', cwd])
+      cmd = ['python', upload_script, '-t', cwd]
+      if args.gsutil:
+        cmd.extend(['--gsutil', args.gsutil])
+      subprocess.check_call(cmd)
+    except subprocess.CalledProcessError:
+      # Trap exceptions to avoid printing two stacktraces.
+      sys.exit(1)
+
+
+if __name__ == '__main__':
+  main()
diff --git a/infra/bots/assets/node/download.py b/infra/bots/assets/node/download.py
new file mode 100755
index 0000000000..ca999e0378
--- /dev/null
+++ b/infra/bots/assets/node/download.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+#
+# Copyright 2017 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+"""Download the current version of the asset."""
+
+
+import common
+
+
+if __name__ == '__main__':
+  common.run('download')
diff --git a/infra/bots/assets/node/upload.py b/infra/bots/assets/node/upload.py
new file mode 100755
index 0000000000..bdfbda783e
--- /dev/null
+++ b/infra/bots/assets/node/upload.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+#
+# Copyright 2017 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+"""Upload a new version of the asset."""
+
+
+import common
+
+
+if __name__ == '__main__':
+  common.run('upload')