add Helm chart to deploy as K8s CronJob

charts/geoip-fetcher/.helmignore

+# 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
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/geoip-fetcher/Chart.yaml

+apiVersion: v2
+name: geoip-fetcher
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "latest"

charts/geoip-fetcher/templates/NOTES.txt

+OK

charts/geoip-fetcher/templates/_helpers.tpl

+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "geoip-fetcher.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 "geoip-fetcher.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 "geoip-fetcher.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "geoip-fetcher.labels" -}}
+helm.sh/chart: {{ include "geoip-fetcher.chart" . }}
+{{ include "geoip-fetcher.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "geoip-fetcher.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "geoip-fetcher.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "geoip-fetcher.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "geoip-fetcher.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

charts/geoip-fetcher/templates/cronjob.yaml

+apiVersion: batch/v1
+kind: CronJob
+metadata:
+metadata:
+  name: {{ include "geoip-fetcher.fullname" . }}
+  labels:
+    {{- include "geoip-fetcher.labels" . | nindent 4 }}
+spec:
+  schedule: '22 */12 * * *'
+  concurrencyPolicy: Forbid
+  failedJobsHistoryLimit: 3
+  successfulJobsHistoryLimit: 3
+  jobTemplate:
+    spec:
+      activeDeadlineSeconds: 300
+      template:
+        spec:
+          {{- with .Values.imagePullSecrets }}
+          imagePullSecrets:
+            {{- toYaml . | nindent 10 }}
+          {{- end }}
+          restartPolicy: OnFailure
+          volumes:
+          - name: ephemeral
+            emptyDir: {}
+          containers:
+          - name: geoip-fetcher
+            image: "{{ .Values.image.repository }}:{{ .Chart.AppVersion }}"
+            imagePullPolicy: {{ .Values.image.pullPolicy }}
+            volumeMounts:
+              - name: ephemeral
+                mountPath: /data
+            envFrom:
+            - secretRef:
+                name: {{ include "geoip-fetcher.fullname" . }}

charts/geoip-fetcher/templates/secret.yaml

+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "geoip-fetcher.fullname" . }}
+  labels:
+    {{- include "geoip-fetcher.labels" . | nindent 4 }}
+data:
+  GEO_BUCKET_NAME: {{ .Values.bucketName | b64enc | quote }}
+  GEOIP_ACCOUNT_ID: {{ .Values.geoipAccountId | b64enc | quote }}
+  GEOIP_LICENSE_KEY: {{ .Values.geoipLicenseKey | b64enc | quote }}
+  AWS_ACCESS_KEY_ID: {{ .Values.awsAccessKeyId | b64enc | quote }}
+  AWS_SECRET_ACCESS_KEY: {{ .Values.awsSecretAccessKey | b64enc | quote }}

charts/geoip-fetcher/templates/serviceaccount.yaml

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

charts/geoip-fetcher/values.yaml

+# Default values for geoip-fetcher.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+bucketName: geoip-dbs
+geoipAccountId: ''
+geoipLicenseKey: ''
+awsAccessKeyId: ''
+awsSecretAccessKey: ''
+
+image:
+  repository: registry.code.fbi.h-da.de/hdacloud/geoip-fetcher
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: ""
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: true
+  # Annotations to add to the service account
+  annotations: {}
+  # The name of the service account to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name: ""
+
+podAnnotations: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  # limits:
+  #   cpu: 100m
+  #   memory: 128Mi
+  # requests:
+  #   cpu: 100m
+  #   memory: 128Mi
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}