From eddabcc39ba90c71297b3a6e306bb7b9d60a2129 Mon Sep 17 00:00:00 2001 From: Kekskurse Date: Tue, 26 Nov 2019 17:53:57 +0100 Subject: [PATCH] Blank Helm Chart --- .helmignore | 22 ++++++++++ Chart.yaml | 21 +++++++++ templates/NOTES.txt | 21 +++++++++ templates/_helpers.tpl | 63 ++++++++++++++++++++++++++ templates/deployment.yaml | 55 +++++++++++++++++++++++ templates/ingress.yaml | 41 +++++++++++++++++ templates/service.yaml | 15 +++++++ templates/serviceaccount.yaml | 8 ++++ templates/tests/test-connection.yaml | 15 +++++++ values.yaml | 66 ++++++++++++++++++++++++++++ 10 files changed, 327 insertions(+) create mode 100644 .helmignore create mode 100644 Chart.yaml create mode 100644 templates/NOTES.txt create mode 100644 templates/_helpers.tpl create mode 100644 templates/deployment.yaml create mode 100644 templates/ingress.yaml create mode 100644 templates/service.yaml create mode 100644 templates/serviceaccount.yaml create mode 100644 templates/tests/test-connection.yaml create mode 100644 values.yaml diff --git a/.helmignore b/.helmignore new file mode 100644 index 0000000..50af031 --- /dev/null +++ b/.helmignore @@ -0,0 +1,22 @@ +# 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 +.vscode/ diff --git a/Chart.yaml b/Chart.yaml new file mode 100644 index 0000000..a61431b --- /dev/null +++ b/Chart.yaml @@ -0,0 +1,21 @@ +apiVersion: v2 +name: keksAccountHelm +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. +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. +appVersion: 1.16.0 diff --git a/templates/NOTES.txt b/templates/NOTES.txt new file mode 100644 index 0000000..4e8645e --- /dev/null +++ b/templates/NOTES.txt @@ -0,0 +1,21 @@ +1. Get the application URL by running these commands: +{{- if .Values.ingress.enabled }} +{{- range $host := .Values.ingress.hosts }} + {{- range .paths }} + http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ . }} + {{- end }} +{{- end }} +{{- else if contains "NodePort" .Values.service.type }} + export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "keksAccountHelm.fullname" . }}) + export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}") + echo http://$NODE_IP:$NODE_PORT +{{- else if contains "LoadBalancer" .Values.service.type }} + NOTE: It may take a few minutes for the LoadBalancer IP to be available. + You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "keksAccountHelm.fullname" . }}' + export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "keksAccountHelm.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}") + echo http://$SERVICE_IP:{{ .Values.service.port }} +{{- else if contains "ClusterIP" .Values.service.type }} + export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "keksAccountHelm.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}") + echo "Visit http://127.0.0.1:8080 to use your application" + kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:80 +{{- end }} diff --git a/templates/_helpers.tpl b/templates/_helpers.tpl new file mode 100644 index 0000000..5af8efa --- /dev/null +++ b/templates/_helpers.tpl @@ -0,0 +1,63 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Expand the name of the chart. +*/}} +{{- define "keksAccountHelm.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 "keksAccountHelm.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 "keksAccountHelm.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{/* +Common labels +*/}} +{{- define "keksAccountHelm.labels" -}} +helm.sh/chart: {{ include "keksAccountHelm.chart" . }} +{{ include "keksAccountHelm.selectorLabels" . }} +{{- if .Chart.AppVersion }} +app.kubernetes.io/version: {{ .Chart.AppVersion | quote }} +{{- end }} +app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- end -}} + +{{/* +Selector labels +*/}} +{{- define "keksAccountHelm.selectorLabels" -}} +app.kubernetes.io/name: {{ include "keksAccountHelm.name" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +{{- end -}} + +{{/* +Create the name of the service account to use +*/}} +{{- define "keksAccountHelm.serviceAccountName" -}} +{{- if .Values.serviceAccount.create -}} + {{ default (include "keksAccountHelm.fullname" .) .Values.serviceAccount.name }} +{{- else -}} + {{ default "default" .Values.serviceAccount.name }} +{{- end -}} +{{- end -}} diff --git a/templates/deployment.yaml b/templates/deployment.yaml new file mode 100644 index 0000000..e15cfe7 --- /dev/null +++ b/templates/deployment.yaml @@ -0,0 +1,55 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: {{ include "keksAccountHelm.fullname" . }} + labels: + {{- include "keksAccountHelm.labels" . | nindent 4 }} +spec: + replicas: {{ .Values.replicaCount }} + selector: + matchLabels: + {{- include "keksAccountHelm.selectorLabels" . | nindent 6 }} + template: + metadata: + labels: + {{- include "keksAccountHelm.selectorLabels" . | nindent 8 }} + spec: + {{- with .Values.imagePullSecrets }} + imagePullSecrets: + {{- toYaml . | nindent 8 }} + {{- end }} + serviceAccountName: {{ include "keksAccountHelm.serviceAccountName" . }} + securityContext: + {{- toYaml .Values.podSecurityContext | nindent 8 }} + containers: + - name: {{ .Chart.Name }} + securityContext: + {{- toYaml .Values.securityContext | nindent 12 }} + image: "{{ .Values.image.repository }}:{{ .Chart.AppVersion }}" + imagePullPolicy: {{ .Values.image.pullPolicy }} + ports: + - name: http + containerPort: 80 + protocol: TCP + livenessProbe: + httpGet: + path: / + port: http + readinessProbe: + httpGet: + path: / + port: http + 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/templates/ingress.yaml b/templates/ingress.yaml new file mode 100644 index 0000000..8abc7f0 --- /dev/null +++ b/templates/ingress.yaml @@ -0,0 +1,41 @@ +{{- if .Values.ingress.enabled -}} +{{- $fullName := include "keksAccountHelm.fullname" . -}} +{{- $svcPort := .Values.service.port -}} +{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}} +apiVersion: networking.k8s.io/v1beta1 +{{- else -}} +apiVersion: extensions/v1beta1 +{{- end }} +kind: Ingress +metadata: + name: {{ $fullName }} + labels: + {{- include "keksAccountHelm.labels" . | nindent 4 }} + {{- with .Values.ingress.annotations }} + annotations: + {{- toYaml . | nindent 4 }} + {{- end }} +spec: +{{- if .Values.ingress.tls }} + tls: + {{- range .Values.ingress.tls }} + - hosts: + {{- range .hosts }} + - {{ . | quote }} + {{- end }} + secretName: {{ .secretName }} + {{- end }} +{{- end }} + rules: + {{- range .Values.ingress.hosts }} + - host: {{ .host | quote }} + http: + paths: + {{- range .paths }} + - path: {{ . }} + backend: + serviceName: {{ $fullName }} + servicePort: {{ $svcPort }} + {{- end }} + {{- end }} +{{- end }} diff --git a/templates/service.yaml b/templates/service.yaml new file mode 100644 index 0000000..184f23f --- /dev/null +++ b/templates/service.yaml @@ -0,0 +1,15 @@ +apiVersion: v1 +kind: Service +metadata: + name: {{ include "keksAccountHelm.fullname" . }} + labels: + {{- include "keksAccountHelm.labels" . | nindent 4 }} +spec: + type: {{ .Values.service.type }} + ports: + - port: {{ .Values.service.port }} + targetPort: http + protocol: TCP + name: http + selector: + {{- include "keksAccountHelm.selectorLabels" . | nindent 4 }} diff --git a/templates/serviceaccount.yaml b/templates/serviceaccount.yaml new file mode 100644 index 0000000..09b7aad --- /dev/null +++ b/templates/serviceaccount.yaml @@ -0,0 +1,8 @@ +{{- if .Values.serviceAccount.create -}} +apiVersion: v1 +kind: ServiceAccount +metadata: + name: {{ include "keksAccountHelm.serviceAccountName" . }} + labels: +{{ include "keksAccountHelm.labels" . | nindent 4 }} +{{- end -}} diff --git a/templates/tests/test-connection.yaml b/templates/tests/test-connection.yaml new file mode 100644 index 0000000..8c62548 --- /dev/null +++ b/templates/tests/test-connection.yaml @@ -0,0 +1,15 @@ +apiVersion: v1 +kind: Pod +metadata: + name: "{{ include "keksAccountHelm.fullname" . }}-test-connection" + labels: +{{ include "keksAccountHelm.labels" . | nindent 4 }} + annotations: + "helm.sh/hook": test-success +spec: + containers: + - name: wget + image: busybox + command: ['wget'] + args: ['{{ include "keksAccountHelm.fullname" . }}:{{ .Values.service.port }}'] + restartPolicy: Never diff --git a/values.yaml b/values.yaml new file mode 100644 index 0000000..e807d4d --- /dev/null +++ b/values.yaml @@ -0,0 +1,66 @@ +# Default values for keksAccountHelm. +# This is a YAML-formatted file. +# Declare variables to be passed into your templates. + +replicaCount: 1 + +image: + repository: nginx + pullPolicy: IfNotPresent + +imagePullSecrets: [] +nameOverride: "" +fullnameOverride: "" + +serviceAccount: + # Specifies whether a service account should be created + create: true + # The name of the service account to use. + # If not set and create is true, a name is generated using the fullname template + name: + +podSecurityContext: {} + # fsGroup: 2000 + +securityContext: {} + # capabilities: + # drop: + # - ALL + # readOnlyRootFilesystem: true + # runAsNonRoot: true + # runAsUser: 1000 + +service: + type: ClusterIP + port: 80 + +ingress: + enabled: false + annotations: {} + # kubernetes.io/ingress.class: nginx + # kubernetes.io/tls-acme: "true" + hosts: + - host: chart-example.local + paths: [] + tls: [] + # - secretName: chart-example-tls + # hosts: + # - chart-example.local + +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: {}