From 5cab1cd96d5a8b5b3910409f8c03a5b0d939c5fd Mon Sep 17 00:00:00 2001 From: Cyrille Nofficial Date: Mon, 12 Sep 2022 16:34:34 +0200 Subject: [PATCH] wip: helm --- Dockerfile | 26 ++++++++++++ helm/.helmignore | 23 +++++++++++ helm/Chart.yaml | 24 +++++++++++ helm/templates/_helpers.tpl | 64 +++++++++++++++++++++++++++++ helm/templates/daemonset.yaml | 63 ++++++++++++++++++++++++++++ helm/templates/podmonitor.yaml | 0 helm/templates/service.yaml | 18 ++++++++ helm/templates/serviceaccount.yaml | 12 ++++++ helm/values.yaml | 66 ++++++++++++++++++++++++++++++ 9 files changed, 296 insertions(+) create mode 100644 Dockerfile create mode 100644 helm/.helmignore create mode 100644 helm/Chart.yaml create mode 100644 helm/templates/_helpers.tpl create mode 100644 helm/templates/daemonset.yaml create mode 100644 helm/templates/podmonitor.yaml create mode 100644 helm/templates/service.yaml create mode 100644 helm/templates/serviceaccount.yaml create mode 100644 helm/values.yaml diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..5778992 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,26 @@ +# Build the manager binary +FROM docker.io/library/golang:1.19 as builder + +WORKDIR /workspace +# Copy the Go Modules manifests +COPY go.mod go.mod +COPY go.sum go.sum + +# Copy dependencies +COPY vendor/ vendor/ + +# Copy the go source +COPY cmd/ cmd/ +COPY pkg/ pkg/ + +# Build +RUN CGO_ENABLED=0 go build -a -v -tags netgo -o pod-cleaner ./cmd/pod-cleaner + +# Use distroless as minimal base image to package the manager binary +# Refer to https://github.com/GoogleContainerTools/distroless for more details +FROM gcr.io/distroless/static:nonroot +WORKDIR / +COPY --from=builder /workspace/pod-cleaner . +USER 65532:65532 + +ENTRYPOINT ["/pod-cleaner"] diff --git a/helm/.helmignore b/helm/.helmignore new file mode 100644 index 0000000..0e8a0eb --- /dev/null +++ b/helm/.helmignore @@ -0,0 +1,23 @@ +# 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/ diff --git a/helm/Chart.yaml b/helm/Chart.yaml new file mode 100644 index 0000000..bcbfa8a --- /dev/null +++ b/helm/Chart.yaml @@ -0,0 +1,24 @@ +apiVersion: v2 +name: pod-cleaner +description: Helm chart for pod-cleaner + +# 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: "0.1.0" diff --git a/helm/templates/_helpers.tpl b/helm/templates/_helpers.tpl new file mode 100644 index 0000000..3999f4f --- /dev/null +++ b/helm/templates/_helpers.tpl @@ -0,0 +1,64 @@ +{{/* +Expand the name of the chart. +*/}} +{{- define "pod-cleaner.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 "pod-cleaner.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 "pod-cleaner.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }} +{{- end }} + +{{/* +Common labels +*/}} +{{- define "pod-cleaner.labels" -}} +app: {{ .Chart.Name }} +helm.sh/chart: {{ include "pod-cleaner.chart" . }} +{{ include "pod-cleaner.selectorLabels" . }} +{{- if .Chart.AppVersion }} +app.kubernetes.io/version: {{ .Chart.AppVersion | quote }} +version: {{ .Chart.AppVersion | quote }} +{{- end }} +app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- end }} + +{{/* +Selector labels +*/}} +{{- define "pod-cleaner.selectorLabels" -}} +app.kubernetes.io/name: {{ include "pod-cleaner.name" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +{{- end }} + +{{/* +Create the name of the service account to use +*/}} +{{- define "pod-cleaner.serviceAccountName" -}} +{{- if .Values.serviceAccount.create }} +{{- default (include "pod-cleaner.fullname" .) .Values.serviceAccount.name }} +{{- else }} +{{- default "default" .Values.serviceAccount.name }} +{{- end }} +{{- end }} diff --git a/helm/templates/daemonset.yaml b/helm/templates/daemonset.yaml new file mode 100644 index 0000000..e3f8755 --- /dev/null +++ b/helm/templates/daemonset.yaml @@ -0,0 +1,63 @@ +apiVersion: apps/v1 +kind: DaemonSet +metadata: + name: {{ include "pod-cleaner.fullname" . }} + labels: + {{- include "pod-cleaner.labels" . | nindent 4 }} +spec: + selector: + matchLabels: + {{- include "pod-cleaner.selectorLabels" . | nindent 6 }} + template: + metadata: + {{- with .Values.podAnnotations }} + annotations: + {{- toYaml . | nindent 8 }} + {{- end }} + labels: + {{- include "pod-cleaner.selectorLabels" . | nindent 8 }} + spec: + {{- with .Values.imagePullSecrets }} + imagePullSecrets: + {{- toYaml . | nindent 8 }} + {{- end }} + serviceAccountName: {{ include "pod-cleaner.serviceAccountName" . }} + securityContext: + {{- toYaml .Values.podSecurityContext | nindent 8 }} + containers: + - name: {{ .Chart.Name }} + securityContext: + {{- toYaml .Values.securityContext | nindent 12 }} + image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}" + imagePullPolicy: {{ .Values.image.pullPolicy }} + args: + - "--metric-path=/metrics" + - "--metric-port=0.0.0.0:{{ .Values.service.port }}" + - "--log-file={{ .Values.podCleaner.logfile }}" + - "--log={{ .Values.podCleaner.logLevel }}" + ports: + - name: http-metric + containerPort: {{ .Values.service.port }} + protocol: TCP + livenessProbe: + httpGet: + path: /metrics + port: http-metric + readinessProbe: + httpGet: + path: /metrics + port: http-metric + resources: + {{- toYaml .Values.resources | nindent 12 }} + {{- with .Values.nodeSelector }} + nodeSelector: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.affinity }} + affinity: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.tolerations }} + tolerations: + {{- toYaml . | nindent 8 }} + {{- end }} diff --git a/helm/templates/podmonitor.yaml b/helm/templates/podmonitor.yaml new file mode 100644 index 0000000..e69de29 diff --git a/helm/templates/service.yaml b/helm/templates/service.yaml new file mode 100644 index 0000000..7e806e7 --- /dev/null +++ b/helm/templates/service.yaml @@ -0,0 +1,18 @@ +apiVersion: v1 +kind: Service +metadata: + name: {{ include "pod-cleaner.fullname" . }} + labels: + {{- include "pod-cleaner.labels" . | nindent 4 }} +spec: + type: {{ .Values.service.type }} + ports: + - port: {{ .Values.service.port }} + targetPort: http-metric + protocol: TCP + name: http-metric + {{- if semverCompare ">= 1.24-0" .Capabilities.KubeVersion.Version }} + appProtocol: http + {{- end }} + selector: + {{- include "pod-cleaner.selectorLabels" . | nindent 4 }} diff --git a/helm/templates/serviceaccount.yaml b/helm/templates/serviceaccount.yaml new file mode 100644 index 0000000..27865ef --- /dev/null +++ b/helm/templates/serviceaccount.yaml @@ -0,0 +1,12 @@ +{{- if .Values.serviceAccount.create -}} +apiVersion: v1 +kind: ServiceAccount +metadata: + name: {{ include "pod-cleaner.serviceAccountName" . }} + labels: + {{- include "pod-cleaner.labels" . | nindent 4 }} + {{- with .Values.serviceAccount.annotations }} + annotations: + {{- toYaml . | nindent 4 }} + {{- end }} +{{- end }} diff --git a/helm/values.yaml b/helm/values.yaml new file mode 100644 index 0000000..5ce0be6 --- /dev/null +++ b/helm/values.yaml @@ -0,0 +1,66 @@ +# Default values for pod-cleaner. +# This is a YAML-formatted file. +# Declare variables to be passed into your templates. + +replicaCount: 1 + +image: + repository: docker.io/cyrilix/pod-cleaner + 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 + +service: + type: ClusterIP + port: 9098 + + +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: {} + +podCleaner: + # File to watch to detect orphan pod errors + logfile: /var/log/syslog + # Log level: info,debug + logLevel: info \ No newline at end of file