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Merge pull request #1 from Fovty/fix/repo-transfer
Fix/repo transfer
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‎.github/workflows/docker-build.yml

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name: Build Docker Image
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on:
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push:
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branches:
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- main
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tags:
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- 'v*'
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jobs:
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build:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v2
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- name: Build Docker image
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run: docker build . --file Dockerfile --tag my-image-name:$(git rev-parse --short HEAD)
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# Publish to DockerHUB. Necessary?
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# - name: Log in to DockerHub
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# uses: docker/login-action@v1
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# with:
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# username: ${{ secrets.DOCKER_USERNAME }}
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# password: ${{ secrets.DOCKER_PASSWORD }}
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# - name: Push Docker image
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# run: docker push my-image-name:$(git rev-parse --short HEAD)

‎README.md

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11
Kubernetes Downscaler
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=====================
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[![Travis CI Build Status](https://travis-ci.org/hjacobs/kube-downscaler.svg?branch=master)](https://travis-ci.org/hjacobs/kube-downscaler)
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[![Code Coverage](https://coveralls.io/repos/github/hjacobs/kube-downscaler/badge.svg?branch=master;_=1)](https://coveralls.io/github/hjacobs/kube-downscaler?branch=master)
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This is a fork of [hjacobs/kube-downscaler](https://codeberg.org/hjacobs/kube-downscaler) which is no longer maintained. Here the original text of the kube-downscaler README:
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<!-- [![Travis CI Build Status](https://travis-ci.org/hjacobs/kube-downscaler.svg?branch=master)](https://travis-ci.org/hjacobs/kube-downscaler) -->
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<!-- [![Code Coverage](https://coveralls.io/repos/github/hjacobs/kube-downscaler/badge.svg?branch=master;_=1)](https://coveralls.io/github/hjacobs/kube-downscaler?branch=master)
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[![Docker pulls](https://img.shields.io/docker/pulls/hjacobs/kube-downscaler.svg)](https://hub.docker.com/r/hjacobs/kube-downscaler)
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[![CalVer](https://img.shields.io/badge/calver-YY.MM.MICRO-22bfda.svg)](http://calver.org/)
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[![CalVer](https://img.shields.io/badge/calver-YY.MM.MICRO-22bfda.svg)](http://calver.org/) -->
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Scale down / "pause" Kubernetes workload (`Deployments`, `StatefulSets`, and/or
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`HorizontalPodAutoscalers` and `CronJobs` too !) during non-work hours.

‎chart/.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/

‎chart/Chart.yaml

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apiVersion: v2
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name: kube-downscaler
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description: A Helm chart for deploying kube-downscaler
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type: application
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version: 0.1.0
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appVersion: "23.2.0"

‎chart/README.md

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# Kube Downscaler Helm Chart
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This repository offers a convenience chart for the `kube-downscaler` [project](https://codeberg.org/hjacobs/kube-downscaler).
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## Important values
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| Key | Type | Example | Description |
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| ------------------ | ------ | ----------------------------------------------------------------------------------------------------- | ----------------------------------------------- |
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| image.tag | string | `"23.2.0@sha256:4129e7e7551eb451ee2b43680ef818f3057304ad50888f79ec9722afab6c29ff"` | Tag of the image to use |
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| arguments | list | `[--interval=60,--include-resources=deployments,statefulsets,horizontalpodautoscalers,scaledobjects]` | Arguments to pass to the kube-downscaler binary |
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| excludedNamespaces | list | `["namespace-a", "namespace-b"]` | Namespaces to exclude from downscaling |
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How the downscaler can be configured is described in the [kube-downscaler documentation](https://codeberg.org/hjacobs/kube-downscaler).

‎chart/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 "kube-downscaler.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 "kube-downscaler.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 "kube-downscaler.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 "kube-downscaler.labels" -}}
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application: {{ include "kube-downscaler.name" . }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "kube-downscaler.selectorLabels" -}}
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application: {{ include "kube-downscaler.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 "kube-downscaler.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "kube-downscaler.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 }}

‎chart/templates/configmap.yaml

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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: {{ include "kube-downscaler.name" . }}
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data:
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# downscale for non-work hours
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EXCLUDE_NAMESPACES: "{{- join ", " .Values.excludedNamespaces }}"

‎chart/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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labels:
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{{- include "kube-downscaler.labels" . | nindent 4 }}
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name: {{ include "kube-downscaler.name" . }}
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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 "kube-downscaler.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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labels:
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{{- include "kube-downscaler.selectorLabels" . | nindent 8 }}
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spec:
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serviceAccountName: {{ include "kube-downscaler.serviceAccountName" . }}
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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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args:
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{{- toYaml .Values.arguments | nindent 8 }}
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envFrom:
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- configMapRef:
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name: {{ .Values.configMapName }}
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optional: true
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resources:
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{{- toYaml .Values.resources | nindent 10 }}
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securityContext:
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{{- toYaml .Values.securityContext | nindent 10 }}
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securityContext:
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{{- toYaml .Values.podSecurityContext | nindent 8 }}

‎chart/templates/rbac.yaml

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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: {{ include "kube-downscaler.name" . }}
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---
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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: {{ include "kube-downscaler.name" . }}
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rules:
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- apiGroups:
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- ""
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resources:
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- pods
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- namespaces
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verbs:
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- get
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- watch
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- list
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- apiGroups:
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- apps
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resources:
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- deployments
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- statefulsets
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verbs:
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- get
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- watch
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- list
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- update
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- patch
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- apiGroups:
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- argoproj.io
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resources:
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- rollouts
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verbs:
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- get
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- watch
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- list
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- update
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- patch
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- apiGroups:
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- autoscaling
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resources:
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- horizontalpodautoscalers
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verbs:
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- get
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- watch
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- list
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- update
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- patch
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- apiGroups:
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- batch
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resources:
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- cronjobs
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verbs:
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- get
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- watch
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- list
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- update
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- patch
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- apiGroups:
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- keda.sh
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resources:
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- scaledobjects
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verbs:
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- get
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- watch
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- list
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- update
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- patch
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- apiGroups:
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- zalando.org
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resources:
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- stacks
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verbs:
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- get
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- watch
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- list
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- update
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- patch
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- apiGroups:
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- ""
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resources:
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- events
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verbs:
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- get
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- create
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- watch
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- list
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- update
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- patch
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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name: {{ include "kube-downscaler.name" . }}
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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: {{ include "kube-downscaler.name" . }}
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subjects:
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- kind: ServiceAccount
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name: {{ include "kube-downscaler.name" . }}
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namespace: {{ include "kube-downscaler.name" . }}

‎chart/values.yaml

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replicaCount: 1
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image:
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# see https://github.com/hjacobs/kube-downscaler/releases
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repository: mtr.devops.telekom.de/caas/kube-downscaler
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pullPolicy: IfNotPresent
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# Overrides the image tag whose default is the chart appVersion.
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tag: "23.2.0@sha256:4129e7e7551eb451ee2b43680ef818f3057304ad50888f79ec9722afab6c29ff"
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arguments:
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- --interval=60
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- --include-resources=deployments,statefulsets,horizontalpodautoscalers,scaledobjects
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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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runAsGroup: 1000
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runAsNonRoot: true
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runAsUser: 1000
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fsGroup: 1000
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supplementalGroups: [1000]
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securityContext:
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readOnlyRootFilesystem: true
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allowPrivilegeEscalation: false
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privileged: false
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capabilities:
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drop:
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- ALL
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service:
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type: ClusterIP
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port: 80
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resources:
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limits:
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cpu: 500m
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memory: 900Mi
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requests:
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cpu: 200m
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memory: 300Mi
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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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nodeSelector: {}
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tolerations: []
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affinity: {}
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# Used to configure the env
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configMapName: kube-downscaler
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# Namespaces being excluded from the 'downscale for non-work hours'
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# DEFAULT_UPTIME: "Mon-Fri 07:30-20:30 CET"
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excludedNamespaces:
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- kube-downscaler
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- kube-system

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