From 491749eb5b53ac9e0138c5f3487ec179f5057482 Mon Sep 17 00:00:00 2001
From: firmansyahn <80936459+firmansyahn@users.noreply.github.com>
Date: Fri, 9 Aug 2024 14:24:13 +0700
Subject: [PATCH] Add more Istio and Kubernetes Gateway API resources

---
 charts/common/Chart.yaml           |   8 +-
 charts/common/templates/_istio.tpl | 114 +++++++++++++++++++++++++++++
 charts/common/templates/_sigs.tpl  |  44 +++++++++++
 3 files changed, 163 insertions(+), 3 deletions(-)

diff --git a/charts/common/Chart.yaml b/charts/common/Chart.yaml
index fc9c3a5..0c49035 100644
--- a/charts/common/Chart.yaml
+++ b/charts/common/Chart.yaml
@@ -2,9 +2,11 @@ annotations:
   category: Infrastructure
   artifacthub.io/changes: |
     - kind: changed
-      description: Add Flux CD
+      description: Add more granular Istio API resources
+    - kind: changed
+      description: Add more granular Kubernetes Gateway API resources
 apiVersion: v2
-appVersion: 0.1.6
+appVersion: 0.1.7
 description: A Library Helm Chart for grouping common logic between Startechnica charts.
   This chart is not deployable by itself.
 home: https://github.com/startechnica/apps/tree/main/charts/common
@@ -23,4 +25,4 @@ name: st-common
 sources:
   - https://startechnica.github.io/apps
 type: library
-version: 0.1.6
\ No newline at end of file
+version: 0.1.7
\ No newline at end of file
diff --git a/charts/common/templates/_istio.tpl b/charts/common/templates/_istio.tpl
index 9943fea..76547de 100644
--- a/charts/common/templates/_istio.tpl
+++ b/charts/common/templates/_istio.tpl
@@ -56,6 +56,36 @@ SPDX-License-Identifier: APACHE-2.0
 {{- end -}}
 {{- end -}}
 
+{{/* Return the appropriate apiVersion for Istio AuthorizationPolicy. */}}
+{{- define "common.capabilities.istioAuthorizationPolicy.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "security.istio.io/v1beta1/AuthorizationPolicy" -}}
+  {{- print "security.istio.io/v1beta1" -}}
+{{- else if .Capabilities.APIVersions.Has "security.istio.io/v1/AuthorizationPolicy" -}}
+  {{- print "security.istio.io/v1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Istio DestinationRule. */}}
+{{- define "common.capabilities.istioDestinationRule.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "networking.istio.io/v1beta1/DestinationRule" -}}
+  {{- print "networking.istio.io/v1beta1" -}}
+{{- else if .Capabilities.APIVersions.Has "networking.istio.io/v1/DestinationRule" -}}
+  {{- print "networking.istio.io/v1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Istio EnvoyFilter. */}}
+{{- define "common.capabilities.istioEnvoyFilter.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "networking.istio.io/v1alpha3/EnvoyFilter" -}}
+  {{- print "networking.istio.io/v1alpha3" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
 
 {{/* Return the appropriate apiVersion for Istio Gateway. */}}
 {{- define "common.capabilities.istioGateway.apiVersion" -}}
@@ -68,6 +98,59 @@ SPDX-License-Identifier: APACHE-2.0
 {{- end -}}
 {{- end -}}
 
+{{/* Return the appropriate apiVersion for Istio PeerAuthentication. */}}
+{{- define "common.capabilities.istioPeerAuthentication.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "security.istio.io/v1beta1/PeerAuthentication" -}}
+  {{- print "security.istio.io/v1beta1" -}}
+{{- else if .Capabilities.APIVersions.Has "security.istio.io/v1/PeerAuthentication" -}}
+  {{- print "security.istio.io/v1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Istio ProxyConfig. */}}
+{{- define "common.capabilities.istioProxyConfig.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "networking.istio.io/v1beta1/ProxyConfig" -}}
+  {{- print "networking.istio.io/v1beta1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Istio RequestAuthentication. */}}
+{{- define "common.capabilities.istioRequestAuthentication.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "security.istio.io/v1beta1/RequestAuthentication" -}}
+  {{- print "security.istio.io/v1beta1" -}}
+{{- else if .Capabilities.APIVersions.Has "security.istio.io/v1/RequestAuthentication" -}}
+  {{- print "security.istio.io/v1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Istio Sidecar. */}}
+{{- define "common.capabilities.istioSidecar.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "networking.istio.io/v1beta1/Sidecar" -}}
+  {{- print "networking.istio.io/v1beta1" -}}
+{{- else if .Capabilities.APIVersions.Has "networking.istio.io/v1/Sidecar" -}}
+  {{- print "networking.istio.io/v1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Istio ServiceEntry. */}}
+{{- define "common.capabilities.istioServiceEntry.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "networking.istio.io/v1beta1/ServiceEntry" -}}
+  {{- print "networking.istio.io/v1beta1" -}}
+{{- else if .Capabilities.APIVersions.Has "networking.istio.io/v1/ServiceEntry" -}}
+  {{- print "networking.istio.io/v1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
 {{/* Return the appropriate apiVersion for Istio VirtualService. */}}
 {{- define "common.capabilities.istioVirtualService.apiVersion" -}}
 {{- if .Capabilities.APIVersions.Has "networking.istio.io/v1beta1/VirtualService" -}}
@@ -77,4 +160,35 @@ SPDX-License-Identifier: APACHE-2.0
 {{- else -}}
   {{- false -}}
 {{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Istio WasmPlugin. */}}
+{{- define "common.capabilities.istioWasmPlugin.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "extensions.istio.io/v1alpha1/WasmPlugin" -}}
+  {{- print "extensions.istio.io/v1alpha1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Istio WorkloadEntry. */}}
+{{- define "common.capabilities.istioWorkloadEntry.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "networking.istio.io/v1beta1/WorkloadEntry" -}}
+  {{- print "networking.istio.io/v1beta1" -}}
+{{- else if .Capabilities.APIVersions.Has "networking.istio.io/v1/WorkloadEntry" -}}
+  {{- print "networking.istio.io/v1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Istio WorkloadGroup. */}}
+{{- define "common.capabilities.istioWorkloadGroup.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "networking.istio.io/v1beta1/WorkloadGroup" -}}
+  {{- print "networking.istio.io/v1beta1" -}}
+{{- else if .Capabilities.APIVersions.Has "networking.istio.io/v1/WorkloadGroup" -}}
+  {{- print "networking.istio.io/v1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
 {{- end -}}
\ No newline at end of file
diff --git a/charts/common/templates/_sigs.tpl b/charts/common/templates/_sigs.tpl
index 08699d6..9f21227 100644
--- a/charts/common/templates/_sigs.tpl
+++ b/charts/common/templates/_sigs.tpl
@@ -14,4 +14,48 @@ SPDX-License-Identifier: APACHE-2.0
 {{- else -}}
   {{- false -}}
 {{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Kubernetes Gateway API Gateway */}}
+{{- define "common.capabilities.networkingGatewayGateway.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "gateway.networking.k8s.io/v1/Gateway" -}}
+  {{- print "gateway.networking.k8s.io/v1" -}}
+{{- else if .Capabilities.APIVersions.Has "gateway.networking.k8s.io/v1beta1/Gateway" -}}
+  {{- print "gateway.networking.k8s.io/v1beta1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Kubernetes Gateway API GRPCRoute */}}
+{{- define "common.capabilities.networkingGatewayGRPCRoute.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "gateway.networking.k8s.io/v1/GRPCRoute" -}}
+  {{- print "gateway.networking.k8s.io/v1" -}}
+{{- else if .Capabilities.APIVersions.Has "gateway.networking.k8s.io/v1beta1/GRPCRoute" -}}
+  {{- print "gateway.networking.k8s.io/v1beta1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Kubernetes Gateway API HTTPRoute */}}
+{{- define "common.capabilities.networkingGatewayHTTPRoute.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "gateway.networking.k8s.io/v1/HTTPRoute" -}}
+  {{- print "gateway.networking.k8s.io/v1" -}}
+{{- else if .Capabilities.APIVersions.Has "gateway.networking.k8s.io/v1beta1/HTTPRoute" -}}
+  {{- print "gateway.networking.k8s.io/v1beta1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
+{{- end -}}
+
+{{/* Return the appropriate apiVersion for Kubernetes Gateway API ReferenceGrant */}}
+{{- define "common.capabilities.networkingGatewayReferenceGrant.apiVersion" -}}
+{{- if .Capabilities.APIVersions.Has "gateway.networking.k8s.io/v1/ReferenceGrant" -}}
+  {{- print "gateway.networking.k8s.io/v1" -}}
+{{- else if .Capabilities.APIVersions.Has "gateway.networking.k8s.io/v1beta1/ReferenceGrant" -}}
+  {{- print "gateway.networking.k8s.io/v1beta1" -}}
+{{- else -}}
+  {{- false -}}
+{{- end -}}
 {{- end -}}
\ No newline at end of file