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Upstream echo-server updates (cloudposse/terraform-aws-components#486)
* init move * echo server update * add reference to upstream * add eks to precommit
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‎src/README.md‎

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‎src/charts/echo-server/.helmignore‎

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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*.orig
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj
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.vscode/

‎src/charts/echo-server/Chart.yaml‎

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apiVersion: v2
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name: "echo-server"
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description: A server that replicates the request sent by the client and sends it back.
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# A chart can be either an 'application' or a 'library' chart.
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#
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# Application charts are a collection of templates that can be packaged into versioned archives
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# to be deployed.
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#
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# Library charts provide useful utilities or functions for the chart developer. They're included as
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# a dependency of application charts to inject those utilities and functions into the rendering
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# pipeline. Library charts do not define any templates and therefore cannot be deployed.
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type: application
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# This is the chart version. This version number should be incremented each time you make changes
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# to the chart and its templates, including the app version.
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# Versions are expected to follow Semantic Versioning (https://semver.org/)
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version: 0.2.0
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# This is the version number of the application being deployed. This version number should be
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# incremented each time you make changes to the application. Versions are not expected to
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# follow Semantic Versioning. They should reflect the version the application is using.
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# It is recommended to use it with quotes.
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appVersion: "0.2.0"

‎src/charts/echo-server/templates/NOTES.txt‎

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

‎src/charts/echo-server/templates/_helpers.tpl‎

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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "echo-server.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "echo-server.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "echo-server.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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helm.sh/chart: {{ include "echo-server.chart" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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*/}}
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{{- define "echo-server.labels" -}}
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{{ include "echo-server.selectorLabels" . }}
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{{- end }}
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{{/*
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Selector labels
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app.kubernetes.io/name: {{ include "echo-server.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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*/}}
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{{- define "echo-server.selectorLabels" -}}
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app: {{ include "echo-server.fullname" . }}
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{{- end }}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "echo-server.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "echo-server.fullname" .) .Values.serviceAccount.name }}
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{{- else }}
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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}

‎src/charts/echo-server/templates/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ template "echo-server.fullname" . }}
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labels:
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{{- include "echo-server.labels" . | nindent 4 }}
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spec:
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{{- if not .Values.autoscaling.enabled }}
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replicas: {{ .Values.replicaCount }}
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{{- end }}
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selector:
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matchLabels:
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{{- include "echo-server.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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name: {{ include "echo-server.fullname" . }}
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labels:
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{{- include "echo-server.selectorLabels" . | nindent 8 }}
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spec:
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containers:
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- name: {{ .Chart.Name }}
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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ports:
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- name: http
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containerPort: 80
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protocol: TCP

‎src/charts/echo-server/templates/ingress.yaml‎

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{{- if or (eq (printf "%v" .Values.ingress.nginx.enabled) "true") (eq (printf "%v" .Values.ingress.alb.enabled) "true") -}}
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{{- $fullName := include "echo-server.fullname" . -}}
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{{- $svcName := include "echo-server.name" . -}}
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{{- $svcPort := .Values.service.port -}}
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{{- $nginxTlsEnabled := and (eq (printf "%v" .Values.ingress.nginx.enabled) "true") (eq (printf "%v" .Values.tlsEnabled) "true")}}
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: {{ $fullName }}
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annotations:
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{{- if eq (printf "%v" .Values.ingress.nginx.enabled) "true" }}
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kubernetes.io/ingress.class: {{ .Values.ingress.nginx.class }}
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{{- if (index .Values.ingress.nginx "tls_certificate_cluster_issuer") }}
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cert-manager.io/cluster-issuer: {{ .Values.ingress.nginx.tls_certificate_cluster_issuer }}
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{{- end }}
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{{- else if eq (printf "%v" .Values.ingress.alb.enabled) "true" }}
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kubernetes.io/ingress.class: {{ .Values.ingress.alb.class }}
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alb.ingress.kubernetes.io/load-balancer-name: {{ index .Values.ingress.alb "load_balancer_name" | default "k8s-common" }}
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alb.ingress.kubernetes.io/group.name: {{ index .Values.ingress.alb "group_name" | default "common" }}
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alb.ingress.kubernetes.io/scheme: internet-facing
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alb.ingress.kubernetes.io/target-type: 'ip'
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{{- if eq (printf "%v" .Values.ingress.alb.ssl_redirect.enabled) "true" }}
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alb.ingress.kubernetes.io/ssl-redirect: '{{ .Values.ingress.alb.ssl_redirect.port }}'
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{{- end }}
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{{- if eq (printf "%v" .Values.tlsEnabled) "true" }}
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alb.ingress.kubernetes.io/backend-protocol: HTTP
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alb.ingress.kubernetes.io/listen-ports: '[{"HTTP": 80},{"HTTPS":443}]'
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{{- else }}
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alb.ingress.kubernetes.io/listen-ports: '[{"HTTP": 80}]'
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{{- end }}
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{{- end }}
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labels:
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{{- include "echo-server.labels" . | nindent 4 }}
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spec:
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{{- if $nginxTlsEnabled }}
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tls: # < placing a host in the TLS config will indicate a certificate should be created
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- hosts:
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- {{ .Values.ingress.hostname }}
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secretName: {{ $svcName }}-cert # < cert-manager will store the created certificate in this secret.
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{{- end }}
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rules:
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- host: {{ .Values.ingress.hostname }}
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http:
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paths:
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- path: /
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pathType: Prefix
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backend:
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service:
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name: {{ $svcName }}
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port:
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number: {{ $svcPort }}
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{{- end }}

‎src/charts/echo-server/templates/service.yaml‎

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apiVersion: v1
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kind: Service
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metadata:
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name: {{ include "echo-server.name" . }}
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labels:
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{{- include "echo-server.labels" . | nindent 4 }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ .Values.service.port }}
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targetPort: http
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protocol: TCP
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name: http
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selector:
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{{- include "echo-server.selectorLabels" . | nindent 4 }}

‎src/charts/echo-server/values.yaml‎

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# Default values for echo-server.
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# This is a YAML-formatted file.
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# Declare variables to be passed into your templates.
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replicaCount: 1
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image:
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# image.repository -- https://hub.docker.com/r/ealen/echo-server
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repository: ealen/echo-server
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# image.tag -- https://github.com/Ealenn/Echo-Server/releases
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tag: 0.4.2
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pullPolicy: Always
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#imagePullSecrets: []
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nameOverride: ""
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#fullnameOverride: ""
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#serviceAccount:
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# # Specifies whether a service account should be created
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# create: true
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# # Annotations to add to the service account
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# annotations: {}
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# # The name of the service account to use.
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# # If not set and create is true, a name is generated using the fullname template
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# name: ""
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#podAnnotations: {}
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#podSecurityContext: {}
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# # fsGroup: 2000
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#securityContext: {}
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# # capabilities:
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# # drop:
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# # - ALL
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# # readOnlyRootFilesystem: true
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# # runAsNonRoot: true
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# # runAsUser: 1000
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service:
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type: ClusterIP
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port: 80
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tlsEnabled: true
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ingress:
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nginx:
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# ingress.nginx.enabled -- Enable NGiNX ingress
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enabled: false
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# annotation values
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## kubernetes.io/ingress.class:
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class: "nginx"
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## cert-manager.io/cluster-issuer:
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tls_certificate_cluster_issuer: "letsencrypt-prod"
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alb:
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enabled: true
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# annotation values
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## kubernetes.io/ingress.class:
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class: "alb"
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## alb.ingress.kubernetes.io/load-balancer-name:
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### load_balancer_name: "k8s-common"
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## alb.ingress.kubernetes.io/group.name:
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### group_name: "common"
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ssl_redirect:
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enabled: true
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## alb.ingress.kubernetes.io/ssl-redirect:
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port: 443
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#resources: {}
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# # We usually recommend not to specify default resources and to leave this as a conscious
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# # choice for the user. This also increases chances charts run on environments with little
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# # resources, such as Minikube. If you do want to specify resources, uncomment the following
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# # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
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# # limits:
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# # cpu: 100m
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# # memory: 128Mi
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# # requests:
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# # cpu: 100m
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# # memory: 128Mi
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autoscaling:
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enabled: false
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#minReplicas: 1
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#maxReplicas: 100
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#targetCPUUtilizationPercentage: 80
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#targetMemoryUtilizationPercentage: 80
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#nodeSelector: {}
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#tolerations: []
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#affinity: {}

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