Merge pull request #57 from edx/benp/coverage-stats-to-datadog

Report coverage stats to datadog.

scripts/build-stats-to-datadog.sh

+#!/usr/bin/env bash
+
+#
+# This script will report various coverage metrics to datadog.
+#
+#
+
+if [ "${TRAVIS_BRANCH}" = "master" ] && [ "${TRAVIS_PULL_REQUEST}" = "false" ] && [ -n "${DATADOG_API_KEY}" ]
+
+    then
+    echo "Reporting coverage stats to datadog"
+    git clone https://github.com/wedaly/test-metrics
+
+    cd test-metrics
+    virtualenv venv
+    source ./venv/bin/activate
+    pip install -q -r requirements.txt
+
+    cat > unit_test_groups.json <<END
+{
+    "unit.analytics_data_api": "analytics_data_api/*.py"
+}
+END
+
+    python -m metrics.coverage unit_test_groups.json `find ../build -name "coverage.xml"`
+
+    deactivate
+
+else
+    echo "Note: Not reporting stats to datadog. Those are only reported for builds on master, \
+and when the datadog api key is available."
+
+fi