Add dry-runs to all charts in OpenStack-Helm in dev and gate scripts

This PS adds a dry-run to all the charts in OpenStack-Helm as part
of the Checking process. The output is logged to a ./log dir by
default so the results are caught and handled by the devstack-logs
publisher.

Change-Id: I8f82e371b5098c97311d51071ebb60e8734c2900

.gitignore

@@ -68,3 +68,6 @@ dev/.vagrant
 **/_partials.tpl
 **/_globals.tpl
 dev/*.log
+
+# Gate and Check Logs
+./logs/

tools/gate/helm_dry_run.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+#
+# 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.
+set -ex
+
+source ${WORK_DIR}/tools/gate/funcs/helm.sh
+
+helm_build
+
+mkdir -p ${LOGS_DIR}/dry-runs
+for CHART in $(helm search | awk '{ print $1 }' | tail -n +2 | awk -F '/' '{ print $NF }'); do
+  echo "Dry Running chart: $CHART"
+  helm install --dry-run --debug local/$CHART --name=$CHART --namespace=openstack > ${LOGS_DIR}/dry-runs/$CHART
+done

tools/gate/setup_gate.sh

@@ -24,6 +24,10 @@ export HOST_OS=${ID}
 source ${WORK_DIR}/tools/gate/funcs/network.sh
 source ${WORK_DIR}/tools/gate/funcs/helm.sh
 
+# Setup the logging location: by default use the working dir as the root.
+export LOGS_DIR=${LOGS_DIR:-"${WORK_DIR}/logs/"}
+mkdir -p ${LOGS_DIR}
+
 # Moving the ws-linter here to avoid it blocking all the jobs just for ws
 if [ "x$INTEGRATION_TYPE" == "xlinter" ]; then
   bash ${WORK_DIR}/tools/gate/whitespace.sh
@@ -40,6 +44,7 @@ helm_lint
 
 if [ "x$INTEGRATION" == "xaio" ]; then
  bash ${WORK_DIR}/tools/gate/kubeadm_aio.sh
+ bash ${WORK_DIR}/tools/gate/helm_dry_run.sh
  if [ "x$INTEGRATION_TYPE" == "xbasic" ]; then
    bash ${WORK_DIR}/tools/gate/basic_launch.sh
  fi