Adding keycloak-requirements

keycloak-requirements/.helmignore

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+# 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/

keycloak-requirements/Chart.yaml

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+apiVersion: v2
+name: keycloak-requirements
+description: A Helm chart for deploying the DB used by keycloak
+type: application
+version: 0.1.0

keycloak-requirements/templates/_helpers.tpl

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

keycloak-requirements/templates/db-cluster.yaml

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+apiVersion: postgresql.cnpg.io/v1
+kind: Cluster
+metadata:
+  name: keycloak-db
+spec:
+  instances: {{ .Values.dbCluster.numInstances }}
+
+  storage:
+    size: {{ .Values.dbCluster.size }}

keycloak-requirements/values.yaml

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+dbCluster:
+  size: 1Gi
+  numInstances: 3
+