Add support for Helm v3

This adds support for Helm v3.
- 'helm init' and initialization is no longer required
- 'chartmuseum' is used as a drop-in replacement for 'helm serv'
- all Charts require the tag: apiVersion: v1 (or v2)

Change-Id: I29df8f79b483f2af5dce3cde63f0debcbb00435b
Story: 2007000
Task: 39326
Depends-On: https://review.opendev.org/719962
Signed-off-by: Jim Gauld <james.gauld@windriver.com>

stx-platform-helm/centos/stx-platform-helm.spec

@@ -24,6 +24,7 @@ BuildArch: noarch
 
 BuildRequires: helm
 BuildRequires: openstack-helm-infra
+BuildRequires: chartmuseum
 BuildRequires: python-k8sapp-platform
 BuildRequires: python-k8sapp-platform-wheels
 
@@ -34,31 +35,12 @@ The StarlingX K8S application for platform integration
 %setup
 
 %build
-# initialize helm and build the toolkit
-# helm init --client-only does not work if there is no networking
-# The following commands do essentially the same as: helm init
-%define helm_home  %{getenv:HOME}/.helm
-mkdir  %{helm_home}
-mkdir  %{helm_home}/repository
-mkdir  %{helm_home}/repository/cache
-mkdir  %{helm_home}/repository/local
-mkdir  %{helm_home}/plugins
-mkdir  %{helm_home}/starters
-mkdir  %{helm_home}/cache
-mkdir  %{helm_home}/cache/archive
-
-# Stage a repository file that only has a local repo
-cp files/repositories.yaml %{helm_home}/repository/repositories.yaml
-
-# Stage a local repo index that can be updated by the build
-cp files/index.yaml %{helm_home}/repository/local/index.yaml
-
 # Stage helm-toolkit in the local repo
-cp  %{helm_folder}/helm-toolkit-%{toolkit_version}.tgz helm-charts/
+cp %{helm_folder}/helm-toolkit-%{toolkit_version}.tgz helm-charts/
 
-# Host a server for the charts
+# Host a server for the charts.
-helm serve --repo-path . &
+chartmuseum --debug --port=8879 --context-path='/charts' --storage="local" --storage-local-rootdir="./helm-charts" &
-helm repo rm local
+sleep 2
 helm repo add local http://localhost:8879/charts
 
 # Make the charts. These produce a tgz file

stx-platform-helm/stx-platform-helm/helm-charts/Makefile

@@ -29,6 +29,8 @@ init-%:
 
 lint-%: init-%
 	if [ -d $* ]; then helm lint $*; fi
+	@echo "Clobber dependencies from packaging"
+	rm -v -f $*/requirements.lock $*/requirements.yaml
 
 build-%: lint-%
 	if [ -d $* ]; then helm package $*; fi