From a3699c68f914ad6553ff9ff0634f22ea41e646c9 Mon Sep 17 00:00:00 2001
From: Matthew Treinish <treinish@linux.vnet.ibm.com>
Date: Tue, 18 Dec 2012 14:40:02 -0500
Subject: [PATCH] Add support for generating coverage reports from tempest.

This adds support for tempest to generate coverage reports in nova
using the coverage extension.

Change-Id: I76f9f3109fbd8005fe3157f4b95f1dd036877613
---
 devstack-vm-gate-wrap.sh | 5 +++++
 devstack-vm-gate.sh      | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/devstack-vm-gate-wrap.sh b/devstack-vm-gate-wrap.sh
index 4b48b205..4d169f4a 100755
--- a/devstack-vm-gate-wrap.sh
+++ b/devstack-vm-gate-wrap.sh
@@ -27,6 +27,9 @@ export DEVSTACK_GATE_TEMPEST=${DEVSTACK_GATE_TEMPEST:-0}
 # Set to 1 to run postgresql instead of mysql
 export DEVSTACK_GATE_POSTGRES=${DEVSTACK_GATE_POSTGRES:-0}
 
+# Set to 1 to run nova coverage with Tempest
+export DEVSTACK_GATE_TEMPEST_COVERAGE=${DEVSTACK_GATE_TEMPEST_COVERAGE:-0}
+
 # Set to 1 to run cinder instead of nova volume
 # Only applicable to stable/folsom branch
 export DEVSTACK_GATE_CINDER=${DEVSTACK_GATE_CINDER:-0}
@@ -314,6 +317,8 @@ if [[ $ZUUL_PROJECT == "openstack/tempest" ]]; then
   export DEVSTACK_GATE_TEMPEST_FULL=1
 fi
 
+export COVERAGE_OUT=$WORKSPACE/logs/coverage-report
+
 # Run the test
 $GATE_SCRIPT_DIR/devstack-vm-gate.sh
 RETVAL=$?
diff --git a/devstack-vm-gate.sh b/devstack-vm-gate.sh
index 1beb53b2..31c7b209 100755
--- a/devstack-vm-gate.sh
+++ b/devstack-vm-gate.sh
@@ -163,6 +163,10 @@ if [ "$DEVSTACK_GATE_TEMPEST" -eq "1" ]; then
         sudo -H -u stack ./tools/configure_tempest.sh
     fi
     cd $BASE/new/tempest
+    if [[ "$DEVSTACK_GATE_TEMPEST_COVERAGE" -eq "1" ]] ; then
+        echo "Starting coverage data collection"
+        sudo -H -u stack python tools/tempest_coverage.py -c start --combine
+    fi
     echo "Running tempest smoke tests"
     sudo -H -u stack NOSE_XUNIT_FILE=nosetests-smoke.xml nosetests --with-xunit -sv --attr=type=smoke tempest
     RETVAL=$?
@@ -170,6 +174,10 @@ if [ "$DEVSTACK_GATE_TEMPEST" -eq "1" ]; then
       echo "Running tempest full test suite"
       sudo -H -u stack NOSE_XUNIT_FILE=nosetests-full.xml nosetests --with-xunit -sv -a '!smoke' tempest
     fi
+    if [[ "$DEVSTACK_GATE_TEMPEST_COVERAGE" -eq "1" ]] ; then
+        echo "Generating coverage report"
+        sudo -H -u stack python tools/tempest_coverage.py -c report --html -o $COVERAGE_OUT
+    fi
 else
     # Jenkins expects at least one nosetests file.  If we're not running
     # tempest, then write a fake one that indicates the tests pass (since