diff --git a/orchestrator/demo/utils.py b/orchestrator/demo/utils.py
new file mode 100644
index 0000000..5dbbe4a
--- /dev/null
+++ b/orchestrator/demo/utils.py
@@ -0,0 +1,89 @@
+# Copyright (C) 2021 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import logging
+import os
+
+# default build configuration for each component
+DEFAULT_BUILDCMD = 'm'
+DEFAULT_OUTDIR = 'out'
+
+# yaml fields
+META_BUILDCMD = 'build_cmd'
+META_OUTDIR = 'out_dir'
+META_EXPORTS = 'exports'
+META_IMPORTS = 'imports'
+META_TARGETS = 'lunch_targets'
+META_DEPS = 'deps'
+# fields under 'exports' and 'imports'
+META_LIBS = 'libraries'
+META_APIS = 'APIs'
+META_FILEGROUP = 'filegroup'
+META_MODULES = 'modules'
+# fields under 'libraries'
+META_LIB_NAME = 'name'
+
+# fields for generated metadata file
+SOONG_IMPORTED = 'Imported'
+SOONG_IMPORTED_FILEGROUPS = 'FileGroups'
+SOONG_EXPORTED = 'Exported'
+
+# export map items
+EXP_COMPONENT = 'component'
+EXP_TYPE = 'type'
+EXP_OUTPATHS = 'outpaths'
+
+class BuildContext:
+
+  def __init__(self):
+    self._build_top = os.getenv('BUFFET_BUILD_TOP')
+    self._components_top = os.getenv('BUFFET_COMPONENTS_TOP')
+    self._target_product = os.getenv('BUFFET_TARGET_PRODUCT')
+    self._target_build_variant = os.getenv('BUFFET_TARGET_BUILD_VARIANT')
+    self._target_build_type = os.getenv('BUFFET_TARGET_BUILD_TYPE')
+    self._out_dir = os.path.join(self._build_top, 'out')
+
+    if not self._build_top:
+      raise RuntimeError("Can't find root. Did you run buffet?")
+
+  def build_top(self):
+    return self._build_top
+
+  def components_top(self):
+    return self._components_top
+
+  def target_product(self):
+    return self._target_product
+
+  def target_build_variant(self):
+    return self._target_build_variant
+
+  def target_build_type(self):
+    return self._target_build_type
+
+  def out_dir(self):
+    return self._out_dir
+
+
+def get_build_context():
+  return BuildContext()
+
+
+def set_logging_config(verbose_level):
+  verbose_map = (logging.WARNING, logging.INFO, logging.DEBUG)
+  verbosity = min(verbose_level, 2)
+  logging.basicConfig(
+      format='%(levelname)-8s [%(filename)s:%(lineno)d] %(message)s',
+      level=verbose_map[verbosity])