Gke ingress (#91)

* gke-ingress

* revert nobl9 changes

* revert nobl9 changes

* revert nobl9 changes

* service

README.md

@@ -13,6 +13,7 @@ The public Ricardo AG Helm Charts. The code is provided as-is with no warranties
 * [metrics-exporter](https://github.com/ricardo-ch/helm-charts/tree/main/charts/metrics-exporter)
 * [nobl9-agent](https://github.com/ricardo-ch/helm-charts/tree/main/charts/nobl9-agent)
 * [promlens](https://github.com/ricardo-ch/helm-charts/tree/main/charts/promlens)
+* [gke-ingress](https://github.com/ricardo-ch/helm-charts/tree/main/charts/gke-ingress)
 
 ## How To Use These Charts
 

charts/gke-ingress/Chart.yaml

@@ -0,0 +1,15 @@
+apiVersion: v2
+name: gke-ingress
+version: 0.1.0
+appVersion: 0.1.0
+description: gke-ingress and related resources
+sources:
+  - https://github.com/ricardo-ch/helm-charts/tree/main/charts/gke-ingress
+maintainers:
+  - name: ricardo-ch
+    email: [email protected]
+keywords:
+  - ingress
+annotations:
+  artifacthub.io/changes: |
+    - Initial chart

charts/gke-ingress/README.md

@@ -0,0 +1,22 @@
+# gke-ingress
+
+![Version: 0.1.0](https://img.shields.io/badge/Version-0.1.0-informational?style=flat-square) ![AppVersion: 0.1.0](https://img.shields.io/badge/AppVersion-0.1.0-informational?style=flat-square) ![Release Status](https://github.com/ricardo-ch/helm-charts/workflows/Release%20Charts/badge.svg) [![License](https://img.shields.io/github/license/ricardo-ch/helm-charts)](https://github.com/ricardo-ch/helm-charts/blob/main/LICENSE)
+
+gke-ingress and related resources
+
+## Helm Chart
+
+Deploy backends, gateways, services and ingress needed to expose the mesh through GKE gateways. [From edge to mesh guide from google](https://cloud.google.com/architecture/exposing-service-mesh-apps-through-gke-ingress)
+
+### How To Install
+
+Simply add this Chart repository to Helm:
+
+```sh
+➜ helm repo add ricardo https://ricardo-ch.github.io/helm-charts/
+"ricardo" has been added to your repositories
+```
+
+## Source Code
+
+* <https://github.com/ricardo-ch/helm-charts/tree/main/charts/gke-ingress>

charts/gke-ingress/README.md.gotmpl

@@ -0,0 +1,24 @@
+# {{ template "chart.name" . }}
+
+{{ template "chart.deprecationWarning" . }}
+
+{{ template "chart.versionBadge" . }}{{ template "chart.typeBadge" . }}{{ template "chart.appVersionBadge" . }}![Release Status](https://github.com/ricardo-ch/helm-charts/workflows/Release%20Charts/badge.svg) [![License](https://img.shields.io/github/license/ricardo-ch/helm-charts)](https://github.com/ricardo-ch/helm-charts/blob/main/LICENSE)
+
+gke-ingress and related resources
+
+## Helm Chart
+
+Deploy backends, gateways, services and ingress needed to expose the mesh through GKE gateways. [From edge to mesh guide from google](https://cloud.google.com/architecture/exposing-service-mesh-apps-through-gke-ingress)
+
+### How To Install
+
+Simply add this Chart repository to Helm:
+
+```sh
+➜ helm repo add ricardo https://ricardo-ch.github.io/helm-charts/
+"ricardo" has been added to your repositories
+```
+
+{{ template "chart.valuesSection" . }}
+
+{{ template "chart.sourcesSection" . }}

charts/gke-ingress/templates/_helpers.tpl

@@ -0,0 +1,58 @@
+{{- define "gke-ingress.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "gke-ingress.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "gke-ingress.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "gke-ingress.labels" -}}
+helm.sh/chart: {{ include "gke-ingress.chart" . }}
+{{ include "gke-ingress.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+app.kubernetes.io/name: {{ include "gke-ingress.name" . }}
+{{- range $key, $val := .Values.service.labels }}
+{{- if not (or (eq $key "app") (eq $key "istio")) }}
+{{ $key | quote }}: {{ $val | quote }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{- define "gke-ingress.selectorLabels" -}}
+{{- if hasKey .Values.service.labels "app" }}
+{{- with .Values.service.labels.app }}app: {{.|quote}}
+{{- end}}
+{{- else }}app: {{ include "gke-ingress.name" . }}
+{{- end }}
+{{- if hasKey .Values.service.labels "istio" }}
+{{- with .Values.service.labels.istio }}
+istio: {{.|quote}}
+{{- end}}
+{{- else }}
+istio: {{ include "gke-ingress.name" . | trimPrefix "istio-" }}
+{{- end }}
+{{- end }}

charts/gke-ingress/templates/backend.yaml

@@ -0,0 +1,21 @@
+{{ range .Values.backends }}
+apiVersion: cloud.google.com/v1
+kind: BackendConfig
+metadata:
+  name: {{ .name }}
+  namespace: {{ default "istio-ingress" .namespace }}
+spec:
+  healthCheck:
+{{ toYaml .healthCheck | indent 4}}
+{{- if .policyName}}
+  securityPolicy:
+    name: {{.policyName}}
+{{- end}}
+{{- if .iap}}
+  iap:
+    enabled: {{.iap.enabled}}
+    oauthclientCredentials:
+      secretName: {{.iap.secretName}}
+{{- end}}
+---
+{{end}}

charts/gke-ingress/templates/gateway.yaml

@@ -0,0 +1,12 @@
+{{with .Values.gateway}}
+apiVersion: networking.istio.io/v1alpha3
+kind: Gateway
+metadata:
+  name: {{.name}}
+  namespace: {{ default "istio-ingress" .namespace }}
+spec:
+  selector:
+{{toYaml .selector | indent 4}}
+  servers:
+{{toYaml .servers | indent 4}}
+{{end}}

charts/gke-ingress/templates/ingress.yaml

@@ -0,0 +1,40 @@
+{{range .Values.ingress}}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{.name}}
+  namespace: {{ default "istio-ingress" .namespace}}
+  annotations:
+{{toYaml .annotations | indent 4}}
+  {{- if .labels }}
+  labels:
+{{toYaml .labels | indent 4}}
+  {{- end}}
+spec:
+  {{- if .class}}
+  ingressClassName: {{.class}}
+  {{- end}}
+  defaultBackend:
+    service:
+      name: {{.defaultBackend.name}}
+      port:
+        number: {{.defaultBackend.port}}
+{{- if .rules }}
+{{- range .rules}}
+  rules:
+    - http:
+        paths:
+          - path: {{.path}}
+            pathType: {{.type}}
+            backend:
+              service:
+                name: {{.backend.name}}
+                port:
+                  number: {{.backend.port}}
+      {{- if .host}}
+      host: {{.host}}
+      {{- end}}
+{{end}}
+{{end}}
+---
+{{end}}

charts/gke-ingress/templates/service.yaml

@@ -0,0 +1,18 @@
+{{range .Values.service}}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .name }}
+  namespace: {{ default "istio-ingress" .namespace}}
+  labels:
+    {{- include "gke-ingress.labels" . | nindent 4 }}
+  annotations:
+    {{- .annotations | toYaml | nindent 4 }}
+spec:
+  type: {{ .type }}
+  ports:
+{{ .ports | toYaml | indent 4 }}
+  selector:
+    {{- include "gke-ingress.selectorLabels" . | nindent 4 }}
+---
+{{ end }}