✨ adding helm chart for csi-driver

deploy/charts/hcloud-csi/.helmignore

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

deploy/charts/hcloud-csi/Chart.yaml

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+apiVersion: v2
+name: csi-hcloud
+description: Helm Chart for the CSI Driver on Hetzner Cloud
+type: application
+home: https://github.com/syself/charts/tree/main/charts/csi-hcloud
+maintainers:
+  - name: Syself
+    email: [email protected]
+    url: https://github.com/syself
+version: 1.0.0
+appVersion: 2.1.0

deploy/charts/hcloud-csi/example-prod.values.yaml

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+fullnameOverride: "csi"
+
+storageClasses:
+- name: standard
+  defaultStorageClass: true
+  reclaimPolicy: Retain
+  allowVolumeExpansion: true
+
+controller:
+  hcloudVolumeDefaultLocation: nbg1
+  priorityClassName: "system-cluster-critical"
+  resources:
+    csiAttacher:
+      limits:
+        memory: 80Mi
+        cpu: 50m
+      requests: 
+        memory: 20Mi
+        cpu: 10m
+    csiResizer:
+      limits:
+        memory: 80Mi
+        cpu: 50m
+      requests: 
+        memory: 20Mi
+        cpu: 10m
+    csiProvisioner:
+      limits:
+        memory: 80Mi
+        cpu: 50m
+      requests: 
+        memory: 20Mi
+        cpu: 10m
+    livenessProbe:
+      limits:
+        memory: 80Mi
+        cpu: 50m
+      requests: 
+        memory: 20Mi
+        cpu: 10m
+    hcloudCSIDriver:
+      limits:
+        memory: 80Mi
+        cpu: 100m
+      requests: 
+        memory: 40Mi
+        cpu: 10m
+  affinity:
+    podAntiAffinity:
+      requiredDuringSchedulingIgnoredDuringExecution:
+      - labelSelector:
+          matchExpressions:
+          - key: csi-hcloud
+            operator: In
+            values:
+            - controller
+        topologyKey: "kubernetes.io/hostname"
+
+node:
+  priorityClassName: "system-node-critical"
+  resources:
+    CSINodeDriverRegistrar:
+      limits: 
+        memory: 40Mi
+        cpu: 50m
+      requests: 
+        memory: 20Mi
+        cpu: 10m
+    livenessProbe:
+      limits: 
+        memory: 40Mi
+        cpu: 50m
+      requests: 
+        memory: 20Mi
+        cpu: 10m
+    hcloudCSIDriver:
+      limits:
+        memory: 80Mi
+        cpu: 100m
+      requests: 
+        memory: 40Mi
+        cpu: 10m
+  hostNetwork: true
+  affinity:
+    nodeAffinity:
+      requiredDuringSchedulingIgnoredDuringExecution:
+        nodeSelectorTerms:
+        - matchExpressions:
+          - key: "node-role.kubernetes.io/control-plane"
+            operator: NotIn
+            values:
+            - ""
+          - key: "instance.hetzner.cloud/is-root-server"
+            operator: NotIn
+            values:
+            - "true"
+

deploy/charts/hcloud-csi/templates/NOTES.txt

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+CHART NAME: {{ .Chart.Name  }}
+CHART VERSION: {{ .Chart.Version  }}
+APP VERSION: {{ .Chart.AppVersion  }}
+
+** Please be patient while the chart is being deployed **
+
+Get the list of pods by executing:
+
+  kubectl get pods --namespace {{ include "common.names.namespace" . | quote }} -l app.kubernetes.io/instance={{ .Release.Name }}
+
+Access the pod you want to debug by executing
+
+  kubectl exec --namespace {{ include "common.names.namespace" . | quote }} -ti <NAME OF THE POD> -- bash

deploy/charts/hcloud-csi/templates/_common_images.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Return the proper image name
+{{ include "common.images.image" ( dict "imageRoot" .Values.path.to.the.image "global" .Values.global ) }}
+*/}}
+{{- define "common.images.image" -}}
+{{- $registryName := .imageRoot.registry -}}
+{{- $repositoryName := .imageRoot.repository -}}
+{{- $separator := ":" -}}
+{{- $termination := .imageRoot.tag | toString -}}
+{{- if .global }}
+    {{- if .global.imageRegistry }}
+     {{- $registryName = .global.imageRegistry -}}
+    {{- end -}}
+{{- end -}}
+{{- if .imageRoot.digest }}
+    {{- $separator = "@" -}}
+    {{- $termination = .imageRoot.digest | toString -}}
+{{- end -}}
+{{- if $registryName }}
+    {{- printf "%s/%s%s%s" $registryName $repositoryName $separator $termination -}}
+{{- else -}}
+    {{- printf "%s%s%s"  $repositoryName $separator $termination -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Return the proper Docker Image Registry Secret Names (deprecated: use common.images.renderPullSecrets instead)
+{{ include "common.images.pullSecrets" ( dict "images" (list .Values.path.to.the.image1, .Values.path.to.the.image2) "global" .Values.global) }}
+*/}}
+{{- define "common.images.pullSecrets" -}}
+  {{- $pullSecrets := list }}
+
+  {{- if .global }}
+    {{- range .global.imagePullSecrets -}}
+      {{- $pullSecrets = append $pullSecrets . -}}
+    {{- end -}}
+  {{- end -}}
+
+  {{- range .images -}}
+    {{- range .pullSecrets -}}
+      {{- $pullSecrets = append $pullSecrets . -}}
+    {{- end -}}
+  {{- end -}}
+
+  {{- if (not (empty $pullSecrets)) }}
+imagePullSecrets:
+    {{- range $pullSecrets }}
+  - name: {{ . }}
+    {{- end }}
+  {{- end }}
+{{- end -}}
+
+{{/*
+Return the proper Docker Image Registry Secret Names evaluating values as templates
+{{ include "common.images.renderPullSecrets" ( dict "images" (list .Values.path.to.the.image1, .Values.path.to.the.image2) "context" $) }}
+*/}}
+{{- define "common.images.renderPullSecrets" -}}
+  {{- $pullSecrets := list }}
+  {{- $context := .context }}
+
+  {{- if $context.Values.global }}
+    {{- range $context.Values.global.imagePullSecrets -}}
+      {{- $pullSecrets = append $pullSecrets (include "common.tplvalues.render" (dict "value" . "context" $context)) -}}
+    {{- end -}}
+  {{- end -}}
+
+  {{- range .images -}}
+    {{- range .pullSecrets -}}
+      {{- $pullSecrets = append $pullSecrets (include "common.tplvalues.render" (dict "value" . "context" $context)) -}}
+    {{- end -}}
+  {{- end -}}
+
+  {{- if (not (empty $pullSecrets)) }}
+imagePullSecrets:
+    {{- range $pullSecrets }}
+  - name: {{ . }}
+    {{- end }}
+  {{- end }}
+{{- end -}}

deploy/charts/hcloud-csi/templates/_common_labels.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Kubernetes standard labels
+*/}}
+{{- define "common.labels.standard" -}}
+app.kubernetes.io/name: {{ include "common.names.name" . }}
+helm.sh/chart: {{ include "common.names.chart" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Labels to use on deploy.spec.selector.matchLabels and svc.spec.selector
+*/}}
+{{- define "common.labels.matchLabels" -}}
+app.kubernetes.io/name: {{ include "common.names.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end -}}

deploy/charts/hcloud-csi/templates/_common_name.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "common.names.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "common.names.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | 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 "common.names.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 a default fully qualified dependency 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.
+Usage:
+{{ include "common.names.dependency.fullname" (dict "chartName" "dependency-chart-name" "chartValues" .Values.dependency-chart "context" $) }}
+*/}}
+{{- define "common.names.dependency.fullname" -}}
+{{- if .chartValues.fullnameOverride -}}
+{{- .chartValues.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .chartName .chartValues.nameOverride -}}
+{{- if contains $name .context.Release.Name -}}
+{{- .context.Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .context.Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Allow the release namespace to be overridden for multi-namespace deployments in combined charts.
+*/}}
+{{- define "common.names.namespace" -}}
+{{- default .Release.Namespace .Values.namespaceOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a fully qualified app name adding the installation's namespace.
+*/}}
+{{- define "common.names.fullname.namespace" -}}
+{{- printf "%s-%s" (include "common.names.fullname" .) (include "common.names.namespace" .) | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "common.names.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "common.names.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}

deploy/charts/hcloud-csi/templates/_common_tplvalues.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Renders a value that contains template.
+Usage:
+{{ include "common.tplvalues.render" ( dict "value" .Values.path.to.the.Value "context" $) }}
+*/}}
+{{- define "common.tplvalues.render" -}}
+    {{- if typeIs "string" .value }}
+        {{- tpl .value .context }}
+    {{- else }}
+        {{- tpl (.value | toYaml) .context }}
+    {{- end }}
+{{- end -}}