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feat(ssl-exporter): added new helm chart (#22)
* feat(ssl-exporter): added new helm chart
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‎charts/ssl-exporter/.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/

‎charts/ssl-exporter/Chart.yaml

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apiVersion: v2
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name: ssl-exporter
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description: A Helm Chart to SSL Certificate Exporter for Prometheus
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type: application
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version: 0.1.0
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appVersion: "2.4.2"
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home: https://github.com/devops-ia/helm-charts/tree/main/charts/ssl-exporter
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sources:
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- https://github.com/ribbybibby/ssl_exporter
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maintainers:
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- name: "amartingarcia"
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url: https://github.com/devops-ia

‎charts/ssl-exporter/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 "ssl-exporter.fullname" . }})
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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:$NODE_PORT
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{{- else if contains "LoadBalancer" .Values.service.type }}
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NOTE: It may take a few minutes for the LoadBalancer IP to be available.
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You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "ssl-exporter.fullname" . }}'
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export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "ssl-exporter.fullname" . }} --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 "ssl-exporter.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 }}

‎charts/ssl-exporter/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 "ssl-exporter.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 "ssl-exporter.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 "ssl-exporter.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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*/}}
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{{- define "ssl-exporter.labels" -}}
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helm.sh/chart: {{ include "ssl-exporter.chart" . }}
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{{ include "ssl-exporter.selectorLabels" . }}
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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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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "ssl-exporter.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "ssl-exporter.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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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 "ssl-exporter.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "ssl-exporter.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 }}

‎charts/ssl-exporter/templates/clusterrole.yaml

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{{- if .Values.rbac.enabled -}}
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{{- $fullName := include "ssl-exporter.fullname" . -}}
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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name: {{ $fullName }}
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rules:
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- apiGroups:
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- ""
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resources:
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- secrets
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verbs:
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- list
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- get
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{{- end }}

‎charts/ssl-exporter/templates/configmap.yaml

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{{- if .Values.config.enabled }}
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: {{ include "ssl-exporter.fullname" . }}
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labels:
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{{- include "ssl-exporter.labels" . | nindent 4 }}
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data:
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config.yaml: |
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{{- .Values.config.data | nindent 4 }}
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{{- end }}

‎charts/ssl-exporter/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: {{ include "ssl-exporter.fullname" . }}
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labels:
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{{- include "ssl-exporter.labels" . | nindent 4 }}
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spec:
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strategy:
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type: Recreate
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replicas: {{ .Values.replicaCount }}
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selector:
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matchLabels:
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{{- include "ssl-exporter.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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{{- with .Values.podAnnotations }}
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annotations:
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checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml" ) . | sha256sum }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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labels:
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{{- include "ssl-exporter.selectorLabels" . | nindent 8 }}
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spec:
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{{- with .Values.imagePullSecrets }}
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imagePullSecrets:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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serviceAccountName: {{ include "ssl-exporter.serviceAccountName" . }}
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securityContext:
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{{- toYaml .Values.podSecurityContext | nindent 8 }}
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containers:
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- name: {{ .Chart.Name }}
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securityContext:
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{{- toYaml .Values.securityContext | nindent 12 }}
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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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args:
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- --web.probe-path=/probe
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- --web.listen-address=:9219
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- --log.level={{ .Values.logLevel }}
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{{- if .Values.config.enabled }}
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- --config.file=/config/config.yaml
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{{- end}}
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ports:
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- name: http
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containerPort: 9219
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protocol: TCP
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livenessProbe:
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httpGet:
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path: /
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port: http
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readinessProbe:
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httpGet:
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path: /
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port: http
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resources:
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{{- toYaml .Values.resources | nindent 12 }}
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volumeMounts:
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{{- if .Values.config.enabled }}
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- name: config
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mountPath: /config
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{{- end }}
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{{- with .Values.extraVolumeMounts }}
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{{- toYaml . | nindent 12 }}
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{{- end }}
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{{- with .Values.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.affinity }}
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affinity:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.tolerations }}
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tolerations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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volumes:
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{{- if .Values.config.enabled }}
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- name: config
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configMap:
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name: {{ include "ssl-exporter.fullname" . }}
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{{- end }}
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{{- with .Values.extraVolumes }}
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{{- toYaml . | nindent 8 }}
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{{- end }}

‎charts/ssl-exporter/templates/ingress.yaml

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{{- if .Values.ingress.enabled -}}
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{{- $fullName := include "ssl-exporter.fullname" . -}}
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{{- $svcPort := .Values.service.port -}}
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{{- if and .Values.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
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{{- if not (hasKey .Values.ingress.annotations "kubernetes.io/ingress.class") }}
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{{- $_ := set .Values.ingress.annotations "kubernetes.io/ingress.class" .Values.ingress.className}}
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{{- end }}
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{{- end }}
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{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
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apiVersion: networking.k8s.io/v1
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{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
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apiVersion: networking.k8s.io/v1beta1
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{{- else -}}
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apiVersion: extensions/v1beta1
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{{- end }}
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kind: Ingress
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metadata:
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name: {{ $fullName }}
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labels:
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{{- include "ssl-exporter.labels" . | nindent 4 }}
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{{- with .Values.ingress.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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{{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
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ingressClassName: {{ .Values.ingress.className }}
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{{- end }}
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{{- if .Values.ingress.tls }}
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tls:
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{{- range .Values.ingress.tls }}
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- hosts:
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{{- range .hosts }}
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- {{ . | quote }}
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{{- end }}
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secretName: {{ .secretName }}
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{{- end }}
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{{- end }}
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rules:
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{{- range .Values.ingress.hosts }}
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- host: {{ .host | quote }}
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http:
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paths:
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{{- range .paths }}
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- path: {{ .path }}
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{{- if and .pathType (semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion) }}
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pathType: {{ .pathType }}
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{{- end }}
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backend:
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{{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
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service:
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name: {{ $fullName }}
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port:
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number: {{ $svcPort }}
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{{- else }}
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serviceName: {{ $fullName }}
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servicePort: {{ $svcPort }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- end }}

‎charts/ssl-exporter/templates/rolebinding.yaml

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{{- if .Values.rbac.enabled -}}
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{{- $fullName := include "ssl-exporter.fullname" . -}}
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apiVersion: rbac.authorization.k8s.io/v1
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kind: RoleBinding
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metadata:
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name: {{ $fullName }}
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: ClusterRole
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name: {{ $fullName }}
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subjects:
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- kind: ServiceAccount
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name: {{ include "ssl-exporter.serviceAccountName" . }}
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namespace: {{ .Release.namespace }}
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{{- end }}

‎charts/ssl-exporter/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 "ssl-exporter.fullname" . }}
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labels:
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{{- include "ssl-exporter.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 "ssl-exporter.selectorLabels" . | nindent 4 }}

‎charts/ssl-exporter/templates/serviceaccount.yaml

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{{- if .Values.serviceAccount.create -}}
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: {{ include "ssl-exporter.serviceAccountName" . }}
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labels:
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{{- include "ssl-exporter.labels" . | nindent 4 }}
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{{- with .Values.serviceAccount.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- end }}

‎charts/ssl-exporter/templates/tests/test-connection.yaml

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apiVersion: v1
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kind: Pod
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metadata:
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name: "{{ include "ssl-exporter.fullname" . }}-test-connection"
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labels:
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{{- include "ssl-exporter.labels" . | nindent 4 }}
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annotations:
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"helm.sh/hook": test
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spec:
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containers:
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- name: wget
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image: busybox
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command: ['wget']
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args: ['{{ include "ssl-exporter.fullname" . }}:{{ .Values.service.port }}']
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restartPolicy: Never

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