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feature(helmcharts): Add initial helm chart for plutono #75

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11 changes: 11 additions & 0 deletions helm_chart/Chart.yaml
Original file line number Diff line number Diff line change
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apiVersion: v2
name: plutono
description: A plutono Helm chart for Kubernetes
home: https://github.com/credativ/plutono
type: application
sources:
- https://github.com/credativ/plutono
maintainers:
- name: credativ
version: 0.1.0
appVersion: main
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appVersion should be set to the current version.

27 changes: 27 additions & 0 deletions helm_chart/templates/NOTES.txt
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1. Get the application URL by running these commands:
{{- if .Values.ingress.enabled }}
{{- range $host := .Values.ingress.hosts }}
{{- $hostName := $host }}
{{- if $.Values.ingress.extraPaths }}
{{- range $path := $.Values.ingress.extraPaths }}
http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $hostName }}{{ $path.path }}
{{- end }}
{{- else }}
http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $hostName }}
{{- end }}
{{- end }}
{{- else if contains "NodePort" .Values.service.type }}
export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "plutono.fullname" . }})
export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
echo http://$NODE_IP:$NODE_PORT
{{- else if contains "LoadBalancer" .Values.service.type }}
NOTE: It may take a few minutes for the LoadBalancer IP to be available.
You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "plutono.fullname" . }}'
export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "plutono.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 "plutono.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
echo "Visit http://127.0.0.1:8080 to use your application"
kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
{{- end }}
227 changes: 227 additions & 0 deletions helm_chart/templates/_helpers.tpl
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{{/* vim: set filetype=mustache: */}}
{{/*
Expand the name of the chart.
*/}}
{{- define "plutono.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 "plutono.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 "plutono.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
{{- end }}

{{/*
Create the name of the service account
*/}}
{{- define "plutono.serviceAccountName" -}}
{{- if .Values.serviceAccount.create }}
{{- default (include "plutono.fullname" .) .Values.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.serviceAccount.name }}
{{- end }}
{{- end }}

{{- define "plutono.serviceAccountNameTest" -}}
{{- if .Values.serviceAccount.create }}
{{- default (print (include "plutono.fullname" .) "-test") .Values.serviceAccount.nameTest }}
{{- else }}
{{- default "default" .Values.serviceAccount.nameTest }}
{{- end }}
{{- end }}

{{/*
Allow the release namespace to be overridden for multi-namespace deployments in combined charts
*/}}
{{- define "plutono.namespace" -}}
{{- if .Values.namespaceOverride }}
{{- .Values.namespaceOverride }}
{{- else }}
{{- .Release.Namespace }}
{{- end }}
{{- end }}

{{/*
Common labels
*/}}
{{- define "plutono.labels" -}}
helm.sh/chart: {{ include "plutono.chart" . }}
{{ include "plutono.selectorLabels" . }}
{{- if or .Chart.AppVersion .Values.image.tag }}
app.kubernetes.io/version: {{ mustRegexReplaceAllLiteral "@sha.*" .Values.image.tag "" | default .Chart.AppVersion | quote }}
{{- end }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- with .Values.extraLabels }}
{{ toYaml . }}
{{- end }}
{{- end }}

{{/*
Selector labels
*/}}
{{- define "plutono.selectorLabels" -}}
app.kubernetes.io/name: {{ include "plutono.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}

{{/*
Common labels
*/}}
{{- define "plutono.imageRenderer.labels" -}}
helm.sh/chart: {{ include "plutono.chart" . }}
{{ include "plutono.imageRenderer.selectorLabels" . }}
{{- if or .Chart.AppVersion .Values.image.tag }}
app.kubernetes.io/version: {{ mustRegexReplaceAllLiteral "@sha.*" .Values.image.tag "" | default .Chart.AppVersion | quote }}
{{- end }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end }}

{{/*
Selector labels ImageRenderer
*/}}
{{- define "plutono.imageRenderer.selectorLabels" -}}
app.kubernetes.io/name: {{ include "plutono.name" . }}-image-renderer
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}

{{/*
Looks if there's an existing secret and reuse its password. If not it generates
new password and use it.
*/}}
{{- define "plutono.password" -}}
{{- $secret := (lookup "v1" "Secret" (include "plutono.namespace" .) (include "plutono.fullname" .) ) }}
{{- if $secret }}
{{- index $secret "data" "admin-password" }}
{{- else }}
{{- (randAlphaNum 40) | b64enc | quote }}
{{- end }}
{{- end }}

{{/*
Return the appropriate apiVersion for rbac.
*/}}
{{- define "plutono.rbac.apiVersion" -}}
{{- if $.Capabilities.APIVersions.Has "rbac.authorization.k8s.io/v1" }}
{{- print "rbac.authorization.k8s.io/v1" }}
{{- else }}
{{- print "rbac.authorization.k8s.io/v1beta1" }}
{{- end }}
{{- end }}

{{/*
Return the appropriate apiVersion for ingress.
*/}}
{{- define "plutono.ingress.apiVersion" -}}
{{- if and ($.Capabilities.APIVersions.Has "networking.k8s.io/v1") (semverCompare ">= 1.19-0" .Capabilities.KubeVersion.Version) }}
{{- print "networking.k8s.io/v1" }}
{{- else if $.Capabilities.APIVersions.Has "networking.k8s.io/v1beta1" }}
{{- print "networking.k8s.io/v1beta1" }}
{{- else }}
{{- print "extensions/v1beta1" }}
{{- end }}
{{- end }}

{{/*
Return the appropriate apiVersion for Horizontal Pod Autoscaler.
*/}}
{{- define "plutono.hpa.apiVersion" -}}
{{- if $.Capabilities.APIVersions.Has "autoscaling/v2/HorizontalPodAutoscaler" }}
{{- print "autoscaling/v2" }}
{{- else if $.Capabilities.APIVersions.Has "autoscaling/v2beta2/HorizontalPodAutoscaler" }}
{{- print "autoscaling/v2beta2" }}
{{- else }}
{{- print "autoscaling/v2beta1" }}
{{- end }}
{{- end }}

{{/*
Return the appropriate apiVersion for podDisruptionBudget.
*/}}
{{- define "plutono.podDisruptionBudget.apiVersion" -}}
{{- if $.Values.podDisruptionBudget.apiVersion }}
{{- print $.Values.podDisruptionBudget.apiVersion }}
{{- else if $.Capabilities.APIVersions.Has "policy/v1/PodDisruptionBudget" }}
{{- print "policy/v1" }}
{{- else }}
{{- print "policy/v1beta1" }}
{{- end }}
{{- end }}

{{/*
Return if ingress is stable.
*/}}
{{- define "plutono.ingress.isStable" -}}
{{- eq (include "plutono.ingress.apiVersion" .) "networking.k8s.io/v1" }}
{{- end }}

{{/*
Return if ingress supports ingressClassName.
*/}}
{{- define "plutono.ingress.supportsIngressClassName" -}}
{{- or (eq (include "plutono.ingress.isStable" .) "true") (and (eq (include "plutono.ingress.apiVersion" .) "networking.k8s.io/v1beta1") (semverCompare ">= 1.18-0" .Capabilities.KubeVersion.Version)) }}
{{- end }}

{{/*
Return if ingress supports pathType.
*/}}
{{- define "plutono.ingress.supportsPathType" -}}
{{- or (eq (include "plutono.ingress.isStable" .) "true") (and (eq (include "plutono.ingress.apiVersion" .) "networking.k8s.io/v1beta1") (semverCompare ">= 1.18-0" .Capabilities.KubeVersion.Version)) }}
{{- end }}

{{/*
Formats imagePullSecrets. Input is (dict "root" . "imagePullSecrets" .{specific imagePullSecrets})
*/}}
{{- define "plutono.imagePullSecrets" -}}
{{- $root := .root }}
{{- range (concat .root.Values.global.imagePullSecrets .imagePullSecrets) }}
{{- if eq (typeOf .) "map[string]interface {}" }}
- {{ toYaml (dict "name" (tpl .name $root)) | trim }}
{{- else }}
- name: {{ tpl . $root }}
{{- end }}
{{- end }}
{{- end }}


{{/*
Checks whether or not the configSecret secret has to be created
*/}}
{{- define "plutono.shouldCreateConfigSecret" -}}
{{- $secretFound := false -}}
{{- range $key, $value := .Values.datasources }}
{{- if hasKey $value "secret" }}
{{- $secretFound = true}}
{{- end }}
{{- end }}
{{- range $key, $value := .Values.notifiers }}
{{- if hasKey $value "secret" }}
{{- $secretFound = true}}
{{- end }}
{{- end }}
{{- range $key, $value := .Values.alerting }}
{{- if (or (hasKey $value "secret") (hasKey $value "secretFile")) }}
{{- $secretFound = true}}
{{- end }}
{{- end }}
{{- $secretFound}}
{{- end -}}
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