Add Chart for Envoy deployments

config/manager/kustomization.yaml

@@ -5,6 +5,12 @@ generatorOptions:
   disableNameSuffixHash: true
 
 configMapGenerator:
-- name: manager-config
-  files:
+- files:
   - controller_manager_config.yaml
+  name: manager-config
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+images:
+- name: controller
+  newName: controller
+  newTag: latest

deploy/envoy/Chart.yaml

@@ -0,0 +1,8 @@
+apiVersion: v2
+name: envoy
+description: |-
+  Helm chart to deploy [envoy](https://www.envoyproxy.io/).
+type: application
+version: 0.0.10
+appVersion: "v1.18.2"
+icon: https://www.envoyproxy.io/docs/envoy/latest/_static/envoy-logo.png

deploy/envoy/README.md

@@ -0,0 +1,41 @@
+# envoy
+
+![Version: 0.0.9](https://img.shields.io/badge/Version-0.0.9-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v1.18.2](https://img.shields.io/badge/AppVersion-v1.18.2-informational?style=flat-square)
+
+Helm chart to deploy [envoy](https://www.envoyproxy.io/).
+
+## Values
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+| affinity | object | `{}` | affinity for scheduler pod assignment |
+| args | list | `[]` | extra args to pass to container |
+| configYaml | string | `"admin:\n  access_log_path: /tmp/admin_access.log\n  address:\n    socket_address:\n      protocol: TCP\n      address: 0.0.0.0\n      port_value: 9901\nstatic_resources:\n  listeners:\n  - name: listener_0\n    address:\n      socket_address:\n        protocol: TCP\n        address: 0.0.0.0\n        port_value: 10000\n    filter_chains:\n    - filters:\n      - name: envoy.filters.network.http_connection_manager\n        typed_config:\n          \"@type\": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager\n          stat_prefix: ingress_http\n          access_log:\n          - name: envoy.access_loggers.file\n            typed_config:\n              \"@type\": type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog\n              # For the demo config in the Docker container we use:\n              #   - system logs -> `/dev/stderr`\n              #   - (listener) access_logs -> `/dev/stdout`\n              path: /dev/stdout\n          route_config:\n            name: local_route\n            virtual_hosts:\n            - name: local_service\n              domains: [\"*\"]\n              routes:\n              - match:\n                  prefix: \"/\"\n                route:\n                  host_rewrite_literal: www.envoyproxy.io\n                  cluster: service_envoyproxy_io\n          http_filters:\n          - name: envoy.filters.http.router\n  clusters:\n  - name: service_envoyproxy_io\n    connect_timeout: 30s\n    type: LOGICAL_DNS\n    # Comment out the following line to test on v6 networks\n    dns_lookup_family: V4_ONLY\n    lb_policy: ROUND_ROBIN\n    load_assignment:\n      cluster_name: service_envoyproxy_io\n      endpoints:\n      - lb_endpoints:\n        - endpoint:\n            address:\n              socket_address:\n                address: www.envoyproxy.io\n                port_value: 443\n    transport_socket:\n      name: envoy.transport_sockets.tls\n      typed_config:\n        \"@type\": type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext\n        sni: www.envoyproxy.io"` | config yaml |
+| containerAdminPort | int | `9901` |  |
+| containerPort | int | `10000` | container port, should match admin port_value from config.yaml |
+| env | string | `nil` | environment variables for the deployment |
+| fullnameOverride | string | `""` | full name of the chart. |
+| image.pullPolicy | string | `"IfNotPresent"` | image pull policy |
+| image.repository | string | `"envoyproxy/envoy"` | image repository |
+| image.tag | string | `""` | image tag (chart's appVersion value will be used if not set) |
+| imagePullSecrets | list | `[]` | image pull secret for private images |
+| livenessProbe.httpGet.path | string | `"/"` | path for liveness probe |
+| livenessProbe.httpGet.port | string | `"http"` | port for liveness probe |
+| nameOverride | string | `""` | override name of the chart |
+| nodeSelector | object | `{}` | node for scheduler pod assignment |
+| podSecurityContext | object | `{}` | specifies security settings for a pod |
+| readinessProbe.httpGet.path | string | `"/"` | path for readiness probe |
+| readinessProbe.httpGet.port | string | `"http"` | port for readiness probe |
+| replicaCount | int | `1` | number of replicas for haproxy deployment. |
+| resources | object | `{}` | custom resource configuration |
+| service.annotations | object | `{}` | annotations to add to the service |
+| service.port | int | `80` | service port |
+| service.type | string | `"ClusterIP"` | service type |
+| serviceAccount.annotations | object | `{}` | annotations to add to the service account |
+| serviceAccount.create | bool | `false` | specifies whether a service account should be created |
+| serviceAccount.name | string | `nil` | the name of the service account to use; if not set and create is true, a name is generated using the fullname template |
+| serviceMonitor.additionalLabels | object | `{}` | additional labels for service monitor |
+| serviceMonitor.enabled | bool | `false` | ServiceMonitor CRD is created for a prometheus operator |
+| tolerations | list | `[]` | tolerations for scheduler pod assignment |
+| volumeMounts | string | `nil` | volume mounts |
+| volumes | string | `nil` | volumes |

deploy/envoy/templates/NOTES.txt

@@ -0,0 +1,14 @@
+{{- if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "envoy.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "envoy.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "envoy.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "envoy.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:80
+{{- end }}

deploy/envoy/templates/_helpers.tpl

@@ -0,0 +1,118 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "envoy.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "envoy.config" -}}
+node:
+    cluster: {{ .Values.node.cluster }}
+    id: {{ .Values.node.id }}
+
+dynamic_resources:
+    ads_config:
+        api_type: GRPC
+        transport_api_version: V3
+        grpc_services:
+            - envoy_grpc:
+                cluster_name: xds_cluster
+    cds_config:
+        resource_api_version: V3
+        ads: {}
+    lds_config:
+        resource_api_version: V3
+        ads: {}
+
+admin:
+    access_log_path: /tmp/admin_access.log
+    address:
+        socket_address:
+            protocol: TCP
+            address: 0.0.0.0
+            port_value: {{ .Values.containerAdminPort }}
+static_resources:
+    clusters:
+    - type: STRICT_DNS
+      typed_extension_protocol_options:
+        envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
+            "@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
+            explicit_http_config:
+                http2_protocol_options: {}
+      name: xds_cluster
+      connect_timeout: 1s
+      lb_policy: ROUND_ROBIN
+      load_assignment:
+        cluster_name: xds_cluster
+        endpoints:
+            - lb_endpoints:
+                - endpoint:
+                    address:
+                        socket_address:
+                            address: {{ .Values.xds_cluster.address }}
+                            port_value: {{ .Values.xds_cluster.port }}
+{{- 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 "envoy.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 "envoy.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Common labels
+*/}}
+{{- define "envoy.labels" -}}
+helm.sh/chart: {{ include "envoy.chart" . }}
+{{ include "envoy.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Selector labels
+*/}}
+{{- define "envoy.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "envoy.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "envoy.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "envoy.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create the tag for the docker image to use
+*/}}
+{{- define "envoy.tag" -}}
+{{- .Values.image.tag | default .Chart.AppVersion -}}
+{{- end -}}

deploy/envoy/templates/configmap.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "envoy.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "envoy.labels" . | nindent 4 }}
+data:
+  envoy.yaml: |- {{ include "envoy.config" . | nindent 4 }}

deploy/envoy/templates/deployment.yaml

@@ -0,0 +1,78 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "envoy.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "envoy.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "envoy.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "envoy.selectorLabels" . | nindent 8 }}
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
+    spec:
+    {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      serviceAccountName: {{ include "envoy.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ include "envoy.tag" . }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          args:
+            - -c
+            - /config/envoy.yaml
+            {{- range .Values.args }}
+            - {{ . | quote }}
+            {{- end }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.containerPort }}
+              protocol: TCP
+            - name: http-admin
+              containerPort: {{ .Values.containerAdminPort }}
+              protocol: TCP
+          livenessProbe:
+            {{- toYaml .Values.livenessProbe | nindent 12 }}
+          readinessProbe:
+            {{- toYaml .Values.readinessProbe | nindent 12 }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+        {{- with .Values.env }}
+          env:
+            {{- toYaml . | nindent 12 }}
+        {{- end }}
+          volumeMounts:
+            - name: config
+              mountPath: /config
+        {{- with .Values.volumeMounts }}
+            {{- toYaml . | nindent 12 }}
+        {{- end }}
+      volumes:
+        - name: config
+          configMap:
+            name: {{ include "envoy.fullname" . }}
+    {{- with .Values.volumes }}
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}

deploy/envoy/templates/service.yaml

@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "envoy.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "envoy.labels" . | nindent 4 }}
+{{- with .Values.service.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+{{- end }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "envoy.selectorLabels" . | nindent 4 }}

deploy/envoy/templates/serviceAdmin.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "envoy.fullname" . }}-admin
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "envoy.labels" . | nindent 4 }}
+    admin: "true"
+spec:
+  type: ClusterIP
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http-admin
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "envoy.selectorLabels" . | nindent 4 }}

deploy/envoy/templates/serviceaccount.yaml

@@ -0,0 +1,13 @@
+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "envoy.serviceAccountName" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "envoy.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end -}}

deploy/envoy/templates/servicemonitor.yaml

@@ -0,0 +1,20 @@
+{{- if .Values.serviceMonitor.enabled }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ include "envoy.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "envoy.labels" . | nindent 4 }}
+  {{- if .Values.serviceMonitor.additionalLabels }}
+    {{- toYaml .Values.serviceMonitor.additionalLabels | nindent 4 }}
+  {{- end }}
+spec:
+  endpoints:
+    - port: http
+      path: "/stats/prometheus"
+  selector:
+    matchLabels:
+      {{- include "envoy.selectorLabels" . | nindent 6 }}
+      admin: "true"
+{{- end }}

deploy/envoy/templates/tests/test-connection.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ include "envoy.fullname" . }}-test-connection"
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "envoy.labels" . | nindent 4 }}
+  annotations:
+    "helm.sh/hook": test-success
+spec:
+  containers:
+    - name: wget
+      image: busybox
+      command: ['wget']
+      args: ['{{ include "envoy.fullname" . }}:{{ .Values.service.port }}']
+  restartPolicy: Never