+ # ensure the metadata we record is consistent for all types of patches including skipped ones
+ # extract releng-xci sha
+ XCI_SHA=$(cd $WORKSPACE && git rev-parse HEAD)
+
+ # extract scenario sha which is same as releng-xci sha for generic scenarios
+ SCENARIO_SHA=$XCI_SHA
+
+ # process topic branch names
+ if [[ "$GERRIT_TOPIC" =~ skip-verify|skip-deployment|force-verify ]]; then
+ [[ "$GERRIT_TOPIC" =~ force-verify ]] && echo "Forcing CI verification using default scenario and installer!"
+ [[ "$GERRIT_TOPIC" =~ skip-verify|skip-deployment ]] && echo "Skipping verification!"
+ echo "INSTALLER_TYPE=osa" > $WORK_DIRECTORY/scenario.properties
+ echo "DEPLOY_SCENARIO=os-nosdn-nofeature" >> $WORK_DIRECTORY/scenario.properties
+ echo "XCI_SHA=$XCI_SHA" >> $WORK_DIRECTORY/scenario.properties
+ echo "SCENARIO_SHA=$SCENARIO_SHA" >> $WORK_DIRECTORY/scenario.properties
+ echo "PROJECT_NAME=$GERRIT_PROJECT" >> $WORK_DIRECTORY/scenario.properties
+ exit 0
+ fi
+
+ # process commit message
+ if [[ "$GERRIT_CHANGE_COMMIT_MESSAGE" =~ "installer-type:" && "$GERRIT_CHANGE_COMMIT_MESSAGE" =~ "deploy-scenario:" ]]; then
+ INSTALLER_TYPE=$(echo $GERRIT_CHANGE_COMMIT_MESSAGE | awk '/installer-type:/' RS=" " | cut -d":" -f2)
+ DEPLOY_SCENARIO=$(echo $GERRIT_CHANGE_COMMIT_MESSAGE | awk '/deploy-scenario:/' RS=" " | cut -d":" -f2)
+
+ if [[ -z "$INSTALLER_TYPE" || -z "$DEPLOY_SCENARIO" ]]; then
+ echo "Installer type or deploy scenario is not specified. Falling back to programmatically determining them."
+ else
+ echo "Recording the installer '$INSTALLER_TYPE' and scenario '$DEPLOY_SCENARIO' for downstream jobs"
+ echo "INSTALLER_TYPE=$INSTALLER_TYPE" > $WORK_DIRECTORY/scenario.properties
+ echo "DEPLOY_SCENARIO=$DEPLOY_SCENARIO" >> $WORK_DIRECTORY/scenario.properties
+ echo "XCI_SHA=$XCI_SHA" >> $WORK_DIRECTORY/scenario.properties
+ echo "SCENARIO_SHA=$SCENARIO_SHA" >> $WORK_DIRECTORY/scenario.properties
+ echo "PROJECT_NAME=$GERRIT_PROJECT" >> $WORK_DIRECTORY/scenario.properties
+ exit 0
+ fi
+ else
+ echo "Installer type or deploy scenario is not specified. Falling back to programmatically determining them."
+ fi
+}
+
+# This function determines the default scenario for changes coming to releng-xci
+# by processing the Gerrit change and using diff to see what changed.
+#
+# The stuff in releng-xci is for the installer and other common things so the
+# determination is based on those.
+#
+# Pattern
+# releng-xci/installer/<installer_type>/<impacted files>: <scenario>
+function determine_default_scenario() {
+ echo "Processing $GERRIT_PROJECT patchset $GERRIT_REFSPEC"
+
+ # get the changeset
+ cd $WORKSPACE
+ # We need to set default scenario for changes that mess with installers
+ INSTALLERS=$(git diff HEAD^..HEAD --name-only -- 'xci/installer' | cut -d "/" -f 3 | uniq)
+ for CHANGED_INSTALLER in $INSTALLERS; do
+ case $CHANGED_INSTALLER in
+ kubespray)
+ DEPLOY_SCENARIO[${#DEPLOY_SCENARIO[@]}]='k8-nosdn-nofeature'
+ ;;
+ # Default case (including OSA changes)
+ *)
+ DEPLOY_SCENARIO[${#DEPLOY_SCENARIO[@]}]='os-nosdn-nofeature'
+ ;;
+ esac
+ done
+ # For all other changes, we only need to set a default scenario if it's not set already
+ if git diff HEAD^..HEAD --name-only | grep -q -v 'xci/installer'; then
+ [[ ${#DEPLOY_SCENARIO[@]} -eq 0 ]] && DEPLOY_SCENARIO[${#DEPLOY_SCENARIO[@]}]='os-nosdn-nofeature'
+ fi
+
+ # extract releng-xci sha
+ XCI_SHA=$(cd $WORKSPACE && git rev-parse HEAD)
+
+ # TODO: we need to fix this so we actually extract the scenario sha by cloning releng-xci-scenarios
+ # for the determined scenario. it is crucial for promotion...
+ SCENARIO_SHA=$XCI_SHA
+}
+
+# This function determines the impacted scenario by processing the Gerrit
+# change and using diff to see what changed. If changed files belong to a scenario
+# its name gets recorded for deploying and testing the right scenario.
+#
+# Pattern
+# <project-repo>/scenarios/<scenario>/<impacted files>: <scenario>
+function determine_scenario() {
+ echo "Processing $GERRIT_PROJECT patchset $GERRIT_REFSPEC"
+
+ # remove the clone that is done via jenkins and place releng-xci there so the
+ # things continue functioning properly
+ cd $HOME && /bin/rm -rf $WORKSPACE
+ git clone -q https://gerrit.opnfv.org/gerrit/releng-xci $WORKSPACE && cd $WORKSPACE
+
+ # fix the permissions so ssh doesn't complain due to having world-readable keyfiles
+ chmod -R go-rwx $WORKSPACE/xci/scripts/vm
+
+ # clone the project repo and fetch the patchset to process for further processing
+ git clone -q https://gerrit.opnfv.org/gerrit/$GERRIT_PROJECT $WORK_DIRECTORY/$GERRIT_PROJECT
+ cd $WORK_DIRECTORY/$GERRIT_PROJECT
+ git fetch -q https://gerrit.opnfv.org/gerrit/$GERRIT_PROJECT $GERRIT_REFSPEC && git checkout -q FETCH_HEAD
+
+ # process the diff to find out what scenario(s) are impacted - there should only be 1
+ DEPLOY_SCENARIO+=$(git diff HEAD^..HEAD --name-only | grep scenarios | awk -F '[/|/]' '{print $2}' | uniq)
+
+ # extract releng-xci sha
+ XCI_SHA=$(cd $WORKSPACE && git rev-parse HEAD)
+
+ # extract scenario sha
+ SCENARIO_SHA=$(cd $WORK_DIRECTORY/$GERRIT_PROJECT && git rev-parse HEAD)
+}
+
+# This function allows developers to specify the specific XCI flavor for the
+# impacted scenario by adding the XCI Flavor info about the specific scenario.
+# This results in either skipping the real verification
+# totally or skipping the determining the installer and scenario programmatically.
+# It is important to note that this feature is only available to generic scenarios
+# and only single installer/scenario pair is allowed.
+# The input in commit message should be placed at the end of the commit message body,
+# before the signed-off and change-id lines.
+#
+# Pattern to be searched in Commit Message
+# xci-flavor:<xci-flavor>
+# Examples:
+# xci-flavor:noha
+function override_xci_flavor() {
+ echo "Processing $GERRIT_PROJECT patchset $GERRIT_REFSPEC"
+
+ # process commit message for XCI Flavor
+ if [[ "$GERRIT_CHANGE_COMMIT_MESSAGE" =~ "xci-flavor:" ]]; then
+ XCI_FLAVOR=$(echo $GERRIT_CHANGE_COMMIT_MESSAGE | awk '/xci-flavor:/' RS=" " | cut -d":" -f2)
+
+ if [[ -z "$XCI_FLAVOR" ]]; then
+ XCI_FLAVOR='mini'
+ echo "XCI flavor is not specified. The default is specified instead (i.e. mini). Falling back to programmatically determining them."
+ echo "XCI_FLAVOR=mini" >> $WORK_DIRECTORY/scenario.properties
+ exit 0
+ else
+ echo "Recording the XCI flavor '$XCI_FLAVOR' for downstream jobs"
+ echo "XCI_FLAVOR=$XCI_FLAVOR" >> $WORK_DIRECTORY/scenario.properties
+ exit 0
+ fi
+ else
+ XCI_FLAVOR='mini'
+ echo "XCI flavor is not specified. The default is specified instead (i.e. mini). Falling back to programmatically determining them."
+ echo "XCI_FLAVOR=mini" >> $WORK_DIRECTORY/scenario.properties
+ exit 0
+ fi
+
+}
+
+echo "Determining the impacted scenario"
+
+declare -a DEPLOY_SCENARIO
+
+# ensure GERRIT_TOPIC is set
+GERRIT_TOPIC="${GERRIT_TOPIC:-''}"
+
+# this directory is where the temporary clones and files are created
+# while extracting the impacted scenario
+WORK_DIRECTORY=/tmp/$GERRIT_CHANGE_NUMBER/$DISTRO
+/bin/rm -rf $WORK_DIRECTORY && mkdir -p $WORK_DIRECTORY