Update default Kubernetes API for use with Helm v3

Updated Kubernetes api from extensions/v1beta1 to
networking.k8s.io/v1beta1 per docs[0] for kubernetes
1.16 deprecations as helm v3 linting will fail
when it parses extensions/v1beta1 seen here[1]

[0] https://kubernetes.io/blog/2019/07/18/api-deprecations-in-1-16/
[1] https://zuul.opendev.org/t/openstack/build/82f92508fb31418aa377f91d62e0d42e

Change-Id: I0439272587a2afbccc4d7c49ef6ad053c8b305e7

helm-toolkit/Chart.yaml

@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Helm-Toolkit
 name: helm-toolkit
-version: 0.1.5
+version: 0.2.0
 home: https://docs.openstack.org/openstack-helm
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/OpenStack-Helm/OpenStack_Project_OpenStackHelm_vertical.png
 sources:

helm-toolkit/templates/manifests/_ingress.tpl

@@ -62,7 +62,7 @@ examples:
       {{- include "helm-toolkit.manifests.ingress" ( dict "envAll" . "backendServiceType" "key-manager" "backendPort" "b-api" "endpoint" "public" ) -}}
     return: |
       ---
-      apiVersion: extensions/v1beta1
+      apiVersion: networking.k8s.io/v1beta1
       kind: Ingress
       metadata:
         name: barbican
@@ -94,7 +94,7 @@ examples:
                     serviceName: barbican-api
                     servicePort: b-api
       ---
-      apiVersion: extensions/v1beta1
+      apiVersion: networking.k8s.io/v1beta1
       kind: Ingress
       metadata:
         name: barbican-namespace-fqdn
@@ -116,7 +116,7 @@ examples:
                     serviceName: barbican-api
                     servicePort: b-api
       ---
-      apiVersion: extensions/v1beta1
+      apiVersion: networking.k8s.io/v1beta1
       kind: Ingress
       metadata:
         name: barbican-cluster-fqdn
@@ -182,7 +182,7 @@ examples:
       {{- include "helm-toolkit.manifests.ingress" ( dict "envAll" . "backendServiceType" "key-manager" "backendPort" "b-api" "endpoint" "public" ) -}}
     return: |
       ---
-      apiVersion: extensions/v1beta1
+      apiVersion: networking.k8s.io/v1beta1
       kind: Ingress
       metadata:
         name: barbican
@@ -272,7 +272,7 @@ examples:
       {{- include "helm-toolkit.manifests.ingress" ( dict "envAll" . "backendServiceType" "key-manager" "backendPort" "b-api" "endpoint" "public" "certIssuer" "ca-issuer" ) -}}
     return: |
       ---
-      apiVersion: extensions/v1beta1
+      apiVersion: networking.k8s.io/v1beta1
       kind: Ingress
       metadata:
         name: barbican
@@ -365,7 +365,7 @@ examples:
       {{- include "helm-toolkit.manifests.ingress" ( dict "envAll" . "backendServiceType" "key-manager" "backendPort" "b-api" "endpoint" "public" "certIssuer" "ca-issuer" "certIssuer" "cluster-issuer") -}}
     return: |
       ---
-      apiVersion: extensions/v1beta1
+      apiVersion: networking.k8s.io/v1beta1
       kind: Ingress
       metadata:
         name: barbican
@@ -440,7 +440,7 @@ examples:
       {{ $ingressOpts | include "helm-toolkit.manifests.ingress" }}
     return: |
       ---
-      apiVersion: extensions/v1beta1
+      apiVersion: networking.k8s.io/v1beta1
       kind: Ingress
       metadata:
         name: grafana
@@ -472,7 +472,7 @@ examples:
                     serviceName: grafana-dashboard
                     servicePort: dashboard
       ---
-      apiVersion: extensions/v1beta1
+      apiVersion: networking.k8s.io/v1beta1
       kind: Ingress
       metadata:
         name: grafana-namespace-fqdn
@@ -502,7 +502,7 @@ examples:
                     serviceName: grafana-dashboard
                     servicePort: dashboard
       ---
-      apiVersion: extensions/v1beta1
+      apiVersion: networking.k8s.io/v1beta1
       kind: Ingress
       metadata:
         name: grafana-cluster-fqdn
@@ -563,7 +563,7 @@ examples:
 {{- $hostName := tuple $backendServiceType $endpoint $envAll | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
 {{- $hostNameFull := tuple $backendServiceType $endpoint $envAll | include "helm-toolkit.endpoints.hostname_fqdn_endpoint_lookup" }}
 ---
-apiVersion: extensions/v1beta1
+apiVersion: networking.k8s.io/v1beta1
 kind: Ingress
 metadata:
   name: {{ $ingressName }}
@@ -613,7 +613,7 @@ spec:
 {{- range $key2, $ingressController := tuple "namespace" "cluster" }}
 {{- $vHosts := list $hostNameFull }}
 ---
-apiVersion: extensions/v1beta1
+apiVersion: networking.k8s.io/v1beta1
 kind: Ingress
 metadata:
   name: {{ printf "%s-%s-%s" $ingressName $ingressController "fqdn" }}

ingress/Chart.yaml

@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v0.32.0
 description: OpenStack-Helm Ingress Controller
 name: ingress
-version: 0.1.2
+version: 0.2.0
 home: https://github.com/kubernetes/ingress
 sources:
   - https://github.com/kubernetes/ingress

ingress/templates/ingress.yaml

@@ -19,7 +19,7 @@ limitations under the License.
 {{- $_ := set .Values.network.ingress.annotations "kubernetes.io/ingress.class" .Values.deployment.cluster.class -}}
 {{- end -}}
 ---
-apiVersion: extensions/v1beta1
+apiVersion: networking.k8s.io/v1beta1
 kind: Ingress
 metadata:
   name: {{ .Release.Namespace }}-{{ .Release.Name }}