stack/onap: use latest built version of OOM helm chart

* Update version of OOM helm chart fetched from chartmuseum
* Name onap helm repo consistently between online and offline
* Update helm invocations as required for Helm v3
* Offline: Install chartmuseum on jumphost to replace helm serve
* Offline: Upload ONAP helm charts to local chartmuseum

Signed-off-by: Cian Johnston <cian.johnston@est.tech>
Change-Id: I86772879458a20426d1c57b092f47e49a56dabce
Depends-On: I9406e40aa6f7201bfad0756e1020094b86e1dbfc
diff --git a/vars/onap.yaml b/vars/onap.yaml
index 4e9d1cf..0e14285 100644
--- a/vars/onap.yaml
+++ b/vars/onap.yaml
@@ -51,5 +51,10 @@
 containerd_io_version: "1.2.13-2"
 
 profilename: "{{ lookup('env', 'ONAP_PROFILE') | default('sdc', true) }}"
-onap_version: "{{ lookup('env', 'ONAP_VERSION') | default('6.0.0', true) }}"
+onap_version: "{{ lookup('env', 'ONAP_VERSION') | default('8.0.0+latest', true) }}"
+
+chartmuseum_version: "v0.13.1"
+chartmuseum_download_url: "https://get.helm.sh/chartmuseum-{{ chartmuseum_version }}-linux-amd64.tar.gz"
+chartmusem_local_storage_dir: "/var/lib/chartmuseum/storage"
+
 # vim: set ts=2 sw=2 expandtab: