Add a network config item for novncproxy

In deployment-novncproxy.yaml, it set hostNetwork = true.
We want to let it use cluster network instead of hostNetwork.
This patch will add a config item, so that we can override it
to use cluster network. Then no need to enable 6080 port in
local network firewall for novncproxy access.

Upstream patch submitted as below.
https://review.opendev.org/#/c/679891

Below test pass!
Access to VM console through horizon works!

Closes-bug: 1827246

Change-Id: Icb0cfa39839e151d5869c64bc8f0151d0d9faf49
Signed-off-by: zhipengl <zhipengs.liu@intel.com>

openstack-helm/centos/openstack-helm.spec

@@ -39,6 +39,7 @@ Patch17: 0017-Cinder-support-multiple-ceph-volume-backends.patch
 Patch18: 0018-Nova-add-service-token.patch
 Patch19: 0019-Add-TLS-support-for-Aodh-and-Panko-public-endpoints.patch
 Patch20: 0020-Change-cinder-bootstrap-script.patch
+Patch21: 0021-Add-config-network-item-for-novncproxy.patch
 
 BuildRequires: helm
 BuildRequires: openstack-helm-infra
@@ -69,6 +70,7 @@ Openstack Helm charts
 %patch18 -p1
 %patch19 -p1
 %patch20 -p1
+%patch21 -p1
 
 %build
 # initialize helm and build the toolkit

openstack-helm/files/0021-Add-config-network-item-for-novncproxy.patch

@@ -0,0 +1,42 @@
+From 6fba31f6ba8627c7314a46f5b54d59fd17858848 Mon Sep 17 00:00:00 2001
+From: zhipengl <zhipengs.liu@intel.com>
+Date: Wed, 4 Sep 2019 13:24:12 +0800
+Subject: [PATCH] Patch21: 0021-Add-config-network-item-for-novncproxy.patch
+
+Signed-off-by: zhipengl <zhipengs.liu@intel.com>
+---
+ nova/templates/deployment-novncproxy.yaml | 2 ++
+ nova/values.yaml                          | 2 ++
+ 2 files changed, 4 insertions(+)
+
+diff --git a/nova/templates/deployment-novncproxy.yaml b/nova/templates/deployment-novncproxy.yaml
+index 2611ba8..1eebcfd 100644
+--- a/nova/templates/deployment-novncproxy.yaml
++++ b/nova/templates/deployment-novncproxy.yaml
+@@ -52,8 +52,10 @@ spec:
+ {{ tuple $envAll "nova" "novnc-proxy" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
+       nodeSelector:
+         {{ .Values.labels.novncproxy.node_selector_key }}: {{ .Values.labels.novncproxy.node_selector_value }}
++{{- if .Values.pod.useHostNetwork.novncproxy }}
+       hostNetwork: true
+       dnsPolicy: ClusterFirstWithHostNet
++{{- end }}
+       initContainers:
+ {{ tuple $envAll "novncproxy" $mounts_nova_novncproxy_init | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
+         - name: nova-novncproxy-init
+diff --git a/nova/values.yaml b/nova/values.yaml
+index ee00591..db86621 100644
+--- a/nova/values.yaml
++++ b/nova/values.yaml
+@@ -2050,6 +2050,8 @@ pod:
+       nova_spiceproxy:
+         volumeMounts:
+         volumes:
++  useHostNetwork:
++    novncproxy: true
+   replicas:
+     api_metadata: 1
+     compute_ironic: 1
+-- 
+1.8.3.1
+

stx-openstack-helm/stx-openstack-helm/manifests/manifest.yaml

@@ -917,6 +917,8 @@ data:
       # here.
       mandatory_access_control:
         type: null
+      useHostNetwork:
+        novncproxy: false
       replicas:
         api_metadata: 1
         osapi: 1
@@ -974,7 +976,6 @@ data:
           # declared down during controller swacts, reboots, etc...
           service_down_time: 90
           long_rpc_timeout: 400
-
         libvirt:
           cpu_mode: host-model
           live_migration_completion_timeout: 180