[travis][xs]: automate deploy

.travis.yml

@@ -0,0 +1,13 @@
+language: bash
+sudo: required
+services:
+- docker
+install:
+- curl -L https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get | sudo bash
+script:
+- bash helm_lint_all.sh
+deploy:
+  provider: script
+  script: bash .travis_deploy.sh
+  on:
+    branch: master

helm_upgrade_external_chart.sh

@@ -34,7 +34,7 @@ done
 VALUES=`cat "${TEMPDIR}/values.yaml"`
 
 if [ "`./read_yaml.py "${TEMPDIR}/values.yaml" enabled 2>/dev/null`" == "true" ]; then
-    CMD="helm upgrade -f ${TEMPDIR}/values.yaml ${RELEASE_NAME} ${CHART_DIRECTORY} ${@:2}"
+    CMD="helm upgrade -i -f ${TEMPDIR}/values.yaml ${RELEASE_NAME} ${CHART_DIRECTORY} ${@:2}"
     if ! $CMD; then
         echo
         echo "${TEMPDIR}/values.yaml"