[common] Add common chart from KaH

This commit is contained in:
2022-08-22 16:34:31 +01:00
parent 3c7c7ed7a1
commit 0565593931
54 changed files with 2748 additions and 0 deletions

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{{/* Common annotations shared across objects */}}
{{- define "common.annotations" -}}
{{- with .Values.global.annotations }}
{{- range $k, $v := . }}
{{- $name := $k }}
{{- $value := tpl $v $ }}
{{ $name }}: {{ quote $value }}
{{- end }}
{{- end }}
{{- end -}}
{{/* Determine the Pod annotations used in the controller */}}
{{- define "common.podAnnotations" -}}
{{- if .Values.podAnnotations -}}
{{- tpl (toYaml .Values.podAnnotations) . | nindent 0 -}}
{{- end -}}
{{- $configMapsFound := false -}}
{{- range $name, $configmap := .Values.configmap -}}
{{- if $configmap.enabled -}}
{{- $configMapsFound = true -}}
{{- end -}}
{{- end -}}
{{- if $configMapsFound -}}
{{- printf "checksum/config: %v" (include ("common.configmap") . | sha256sum) | nindent 0 -}}
{{- end -}}
{{- end -}}

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{{/* Allow KubeVersion to be overridden. */}}
{{- define "common.capabilities.ingress.kubeVersion" -}}
{{- default .Capabilities.KubeVersion.Version .Values.kubeVersionOverride -}}
{{- end -}}
{{/* Return the appropriate apiVersion for Ingress objects */}}
{{- define "common.capabilities.ingress.apiVersion" -}}
{{- print "networking.k8s.io/v1" -}}
{{- if semverCompare "<1.19" (include "common.capabilities.ingress.kubeVersion" .) -}}
{{- print "beta1" -}}
{{- end -}}
{{- end -}}
{{/* Check Ingress stability */}}
{{- define "common.capabilities.ingress.isStable" -}}
{{- if eq (include "common.capabilities.ingress.apiVersion" .) "networking.k8s.io/v1" -}}
{{- true -}}
{{- end -}}
{{- end -}}

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{{/* Common labels shared across objects */}}
{{- define "common.labels" -}}
helm.sh/chart: {{ include "common.names.chart" . }}
{{ include "common.labels.selectorLabels" . }}
{{- if .Chart.AppVersion }}
app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
{{- end }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- with .Values.global.labels }}
{{- range $k, $v := . }}
{{- $name := $k }}
{{- $value := tpl $v $ }}
{{ $name }}: {{ quote $value }}
{{- end }}
{{- end }}
{{- end -}}
{{/* Selector labels shared across objects */}}
{{- define "common.labels.selectorLabels" -}}
app.kubernetes.io/name: {{ include "common.names.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end -}}

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{{/* Expand the name of the chart */}}
{{- define "common.names.name" -}}
{{- $globalNameOverride := "" -}}
{{- if hasKey .Values "global" -}}
{{- $globalNameOverride = (default $globalNameOverride .Values.global.nameOverride) -}}
{{- end -}}
{{- default .Chart.Name (default .Values.nameOverride $globalNameOverride) | 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 "common.names.fullname" -}}
{{- $name := include "common.names.name" . -}}
{{- $globalFullNameOverride := "" -}}
{{- if hasKey .Values "global" -}}
{{- $globalFullNameOverride = (default $globalFullNameOverride .Values.global.fullnameOverride) -}}
{{- end -}}
{{- if or .Values.fullnameOverride $globalFullNameOverride -}}
{{- $name = default .Values.fullnameOverride $globalFullNameOverride -}}
{{- else -}}
{{- if contains $name .Release.Name -}}
{{- $name = .Release.Name -}}
{{- else -}}
{{- $name = printf "%s-%s" .Release.Name $name -}}
{{- end -}}
{{- end -}}
{{- trunc 63 $name | trimSuffix "-" -}}
{{- end -}}
{{/* Create chart name and version as used by the chart label */}}
{{- define "common.names.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{/* Create the name of the ServiceAccount to use */}}
{{- define "common.names.serviceAccountName" -}}
{{- if .Values.serviceAccount.create -}}
{{- default (include "common.names.fullname" .) .Values.serviceAccount.name -}}
{{- else -}}
{{- default "default" .Values.serviceAccount.name -}}
{{- end -}}
{{- end -}}
{{/* Return the properly cased version of the controller type */}}
{{- define "common.names.controllerType" -}}
{{- if eq .Values.controller.type "deployment" -}}
{{- print "Deployment" -}}
{{- else if eq .Values.controller.type "daemonset" -}}
{{- print "DaemonSet" -}}
{{- else if eq .Values.controller.type "statefulset" -}}
{{- print "StatefulSet" -}}
{{- else -}}
{{- fail (printf "Not a valid controller.type (%s)" .Values.controller.type) -}}
{{- end -}}
{{- end -}}

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{{/* Merge the local chart values and the common chart defaults */}}
{{- define "common.values.setup" -}}
{{- if .Values.common -}}
{{- $defaultValues := deepCopy .Values.common -}}
{{- $userValues := deepCopy (omit .Values "common") -}}
{{- $mergedValues := mustMergeOverwrite $defaultValues $userValues -}}
{{- $_ := set . "Values" (deepCopy $mergedValues) -}}
{{- end -}}
{{- end -}}

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{{- /* The main container included in the controller */ -}}
{{- define "common.controller.mainContainer" -}}
- name: {{ include "common.names.fullname" . }}
image: {{ printf "%s:%s" .Values.image.repository (default .Chart.AppVersion .Values.image.tag) | quote }}
imagePullPolicy: {{ .Values.image.pullPolicy }}
{{- with .Values.command }}
command:
{{- if kindIs "string" . }}
- {{ . }}
{{- else }}
{{ toYaml . | nindent 4 }}
{{- end }}
{{- end }}
{{- with .Values.args }}
args:
{{- if kindIs "string" . }}
- {{ . }}
{{- else }}
{{ toYaml . | nindent 4 }}
{{- end }}
{{- end }}
{{- with .Values.securityContext }}
securityContext:
{{- toYaml . | nindent 4 }}
{{- end }}
{{- with .Values.lifecycle }}
lifecycle:
{{- toYaml . | nindent 4 }}
{{- end }}
{{- with .Values.termination.messagePath }}
terminationMessagePath: {{ . }}
{{- end }}
{{- with .Values.termination.messagePolicy }}
terminationMessagePolicy: {{ . }}
{{- end }}
{{- with .Values.env }}
env:
{{- get (fromYaml (include "common.controller.env_vars" $)) "env" | toYaml | nindent 4 -}}
{{- end }}
{{- if or .Values.envFrom .Values.secret }}
envFrom:
{{- with .Values.envFrom }}
{{- toYaml . | nindent 4 }}
{{- end }}
{{- if .Values.secret }}
- secretRef:
name: {{ include "common.names.fullname" . }}
{{- end }}
{{- end }}
ports:
{{- include "common.controller.ports" . | trim | nindent 4 }}
{{- with (include "common.controller.volumeMounts" . | trim) }}
volumeMounts:
{{- nindent 4 . }}
{{- end }}
{{- include "common.controller.probes" . | trim | nindent 2 }}
{{- with .Values.resources }}
resources:
{{- toYaml . | nindent 4 }}
{{- end }}
{{- end -}}

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{{/*
Environment variables used by containers.
*/}}
{{- define "common.controller.env_vars" -}}
{{- $values := .Values.env -}}
{{- if hasKey . "ObjectValues" -}}
{{- with .ObjectValues.env -}}
{{- $values = . -}}
{{- end -}}
{{- end -}}
{{- with $values -}}
{{- $result := list -}}
{{- range $k, $v := . -}}
{{- $name := $k -}}
{{- $value := $v -}}
{{- if kindIs "int" $name -}}
{{- $name = required "environment variables as a list of maps require a name field" $value.name -}}
{{- end -}}
{{- if kindIs "map" $value -}}
{{- if hasKey $value "value" -}}
{{- $envValue := $value.value | toString -}}
{{- $result = append $result (dict "name" $name "value" (tpl $envValue $)) -}}
{{- else if hasKey $value "valueFrom" -}}
{{- $result = append $result (dict "name" $name "valueFrom" $value.valueFrom) -}}
{{- else -}}
{{- $result = append $result (dict "name" $name "valueFrom" $value) -}}
{{- end -}}
{{- end -}}
{{- if not (kindIs "map" $value) -}}
{{- if kindIs "string" $value -}}
{{- $result = append $result (dict "name" $name "value" (tpl $value $)) -}}
{{- else if or (kindIs "float64" $value) (kindIs "bool" $value) -}}
{{- $result = append $result (dict "name" $name "value" ($value | toString)) -}}
{{- else -}}
{{- $result = append $result (dict "name" $name "value" $value) -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- toYaml (dict "env" $result) | nindent 0 -}}
{{- end -}}
{{- end -}}

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{{- /*
The pod definition included in the controller.
*/ -}}
{{- define "common.controller.pod" -}}
{{- with .Values.imagePullSecrets }}
imagePullSecrets:
{{- toYaml . | nindent 2 }}
{{- end }}
serviceAccountName: {{ include "common.names.serviceAccountName" . }}
automountServiceAccountToken: {{ .Values.automountServiceAccountToken }}
{{- with .Values.podSecurityContext }}
securityContext:
{{- toYaml . | nindent 2 }}
{{- end }}
{{- with .Values.priorityClassName }}
priorityClassName: {{ . }}
{{- end }}
{{- with .Values.runtimeClassName }}
runtimeClassName: {{ . }}
{{- end }}
{{- with .Values.schedulerName }}
schedulerName: {{ . }}
{{- end }}
{{- with .Values.hostNetwork }}
hostNetwork: {{ . }}
{{- end }}
{{- with .Values.hostname }}
hostname: {{ . }}
{{- end }}
{{- if .Values.dnsPolicy }}
dnsPolicy: {{ .Values.dnsPolicy }}
{{- else if .Values.hostNetwork }}
dnsPolicy: ClusterFirstWithHostNet
{{- else }}
dnsPolicy: ClusterFirst
{{- end }}
{{- with .Values.dnsConfig }}
dnsConfig:
{{- toYaml . | nindent 2 }}
{{- end }}
enableServiceLinks: {{ .Values.enableServiceLinks }}
{{- with .Values.termination.gracePeriodSeconds }}
terminationGracePeriodSeconds: {{ . }}
{{- end }}
{{- if .Values.initContainers }}
initContainers:
{{- $initContainers := list }}
{{- range $index, $key := (keys .Values.initContainers | uniq | sortAlpha) }}
{{- $container := get $.Values.initContainers $key }}
{{- if not $container.name -}}
{{- $_ := set $container "name" $key }}
{{- end }}
{{- if $container.env -}}
{{- $_ := set $ "ObjectValues" (dict "env" $container.env) -}}
{{- $newEnv := fromYaml (include "common.controller.env_vars" $) -}}
{{- $_ := unset $.ObjectValues "env" -}}
{{- $_ := set $container "env" $newEnv.env }}
{{- end }}
{{- $initContainers = append $initContainers $container }}
{{- end }}
{{- tpl (toYaml $initContainers) $ | nindent 2 }}
{{- end }}
containers:
{{- include "common.controller.mainContainer" . | nindent 2 }}
{{- with .Values.additionalContainers }}
{{- $additionalContainers := list }}
{{- range $name, $container := . }}
{{- if not $container.name -}}
{{- $_ := set $container "name" $name }}
{{- end }}
{{- if $container.env -}}
{{- $_ := set $ "ObjectValues" (dict "env" $container.env) -}}
{{- $newEnv := fromYaml (include "common.controller.env_vars" $) -}}
{{- $_ := set $container "env" $newEnv.env }}
{{- $_ := unset $.ObjectValues "env" -}}
{{- end }}
{{- $additionalContainers = append $additionalContainers $container }}
{{- end }}
{{- tpl (toYaml $additionalContainers) $ | nindent 2 }}
{{- end }}
{{- with (include "common.controller.volumes" . | trim) }}
volumes:
{{- nindent 2 . }}
{{- end }}
{{- with .Values.hostAliases }}
hostAliases:
{{- toYaml . | nindent 2 }}
{{- end }}
{{- with .Values.nodeSelector }}
nodeSelector:
{{- toYaml . | nindent 2 }}
{{- end }}
{{- with .Values.affinity }}
affinity:
{{- toYaml . | nindent 2 }}
{{- end }}
{{- with .Values.topologySpreadConstraints }}
topologySpreadConstraints:
{{- toYaml . | nindent 2 }}
{{- end }}
{{- with .Values.tolerations }}
tolerations:
{{- toYaml . | nindent 2 }}
{{- end }}
{{- end -}}

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{{/*
Ports included by the controller.
*/}}
{{- define "common.controller.ports" -}}
{{- $ports := list -}}
{{- range .Values.service -}}
{{- if .enabled -}}
{{- range $name, $port := .ports -}}
{{- $_ := set $port "name" $name -}}
{{- $ports = mustAppend $ports $port -}}
{{- end }}
{{- end }}
{{- end }}
{{/* export/render the list of ports */}}
{{- if $ports -}}
{{- range $_ := $ports }}
{{- if .enabled }}
- name: {{ .name }}
{{- if and .targetPort (kindIs "string" .targetPort) }}
{{- fail (printf "Our charts do not support named ports for targetPort. (port name %s, targetPort %s)" .name .targetPort) }}
{{- end }}
containerPort: {{ .targetPort | default .port }}
{{- if .protocol }}
{{- if or ( eq .protocol "HTTP" ) ( eq .protocol "HTTPS" ) ( eq .protocol "TCP" ) }}
protocol: TCP
{{- else }}
protocol: {{ .protocol }}
{{- end }}
{{- else }}
protocol: TCP
{{- end }}
{{- end}}
{{- end -}}
{{- end -}}
{{- end -}}

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{{/*
Probes selection logic.
*/}}
{{- define "common.controller.probes" -}}
{{- $primaryService := get .Values.service (include "common.service.primary" .) -}}
{{- $primaryPort := "" -}}
{{- if $primaryService -}}
{{- $primaryPort = get $primaryService.ports (include "common.classes.service.ports.primary" (dict "serviceName" (include "common.service.primary" .) "values" $primaryService)) -}}
{{- end -}}
{{- range $probeName, $probe := .Values.probes }}
{{- if $probe.enabled -}}
{{- "" | nindent 0 }}
{{- $probeName }}Probe:
{{- if $probe.custom -}}
{{- $probe.spec | toYaml | nindent 2 }}
{{- else }}
{{- if and $primaryService $primaryPort -}}
{{- "tcpSocket:" | nindent 2 }}
{{- if $primaryPort.targetPort }}
{{- printf "port: %v" $primaryPort.targetPort | nindent 4 }}
{{- else}}
{{- printf "port: %v" $primaryPort.port | nindent 4 }}
{{- end }}
{{- printf "initialDelaySeconds: %v" $probe.spec.initialDelaySeconds | nindent 2 }}
{{- printf "failureThreshold: %v" $probe.spec.failureThreshold | nindent 2 }}
{{- printf "timeoutSeconds: %v" $probe.spec.timeoutSeconds | nindent 2 }}
{{- printf "periodSeconds: %v" $probe.spec.periodSeconds | nindent 2 }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}

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{{/* Volumes included by the controller */}}
{{- define "common.controller.volumeMounts" -}}
{{- range $persistenceIndex, $persistenceItem := .Values.persistence }}
{{- if $persistenceItem.enabled -}}
{{- if kindIs "slice" $persistenceItem.subPath -}}
{{- if $persistenceItem.mountPath -}}
{{- fail (printf "Cannot use persistence.mountPath with a subPath list (%s)" $persistenceIndex) }}
{{- end -}}
{{- range $subPathIndex, $subPathItem := $persistenceItem.subPath }}
- name: {{ $persistenceIndex }}
subPath: {{ required "subPaths as a list of maps require a path field" $subPathItem.path }}
mountPath: {{ required "subPaths as a list of maps require an explicit mountPath field" $subPathItem.mountPath }}
{{- with $subPathItem.readOnly }}
readOnly: {{ . }}
{{- end }}
{{- with $subPathItem.mountPropagation }}
mountPropagation: {{ . }}
{{- end }}
{{- end -}}
{{- else -}}
{{/* Set the default mountPath to /<name_of_the_peristence_item> */}}
{{- $mountPath := (printf "/%v" $persistenceIndex) -}}
{{- if eq "hostPath" (default "pvc" $persistenceItem.type) -}}
{{- $mountPath = $persistenceItem.hostPath -}}
{{- end -}}
{{/* Use the specified mountPath if provided */}}
{{- with $persistenceItem.mountPath -}}
{{- $mountPath = . -}}
{{- end }}
{{- if ne $mountPath "-" }}
- name: {{ $persistenceIndex }}
mountPath: {{ $mountPath }}
{{- with $persistenceItem.subPath }}
subPath: {{ . }}
{{- end }}
{{- with $persistenceItem.readOnly }}
readOnly: {{ . }}
{{- end }}
{{- with $persistenceItem.mountPropagation }}
mountPropagation: {{ . }}
{{- end }}
{{- end }}
{{- end -}}
{{- end -}}
{{- end }}
{{- if eq .Values.controller.type "statefulset" }}
{{- range $index, $vct := .Values.volumeClaimTemplates }}
- mountPath: {{ $vct.mountPath }}
name: {{ $vct.name }}
{{- if $vct.subPath }}
subPath: {{ $vct.subPath }}
{{- end }}
{{- end }}
{{- end }}
{{- end -}}

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{{/*
Volumes included by the controller.
*/}}
{{- define "common.controller.volumes" -}}
{{- range $index, $persistence := .Values.persistence }}
{{- if $persistence.enabled }}
- name: {{ $index }}
{{- if eq (default "pvc" $persistence.type) "pvc" }}
{{- $pvcName := (include "common.names.fullname" $) -}}
{{- if $persistence.existingClaim }}
{{- /* Always prefer an existingClaim if that is set */}}
{{- $pvcName = $persistence.existingClaim -}}
{{- else -}}
{{- /* Otherwise refer to the PVC name */}}
{{- if $persistence.nameOverride -}}
{{- if not (eq $persistence.nameOverride "-") -}}
{{- $pvcName = (printf "%s-%s" (include "common.names.fullname" $) $persistence.nameOverride) -}}
{{- end -}}
{{- else -}}
{{- $pvcName = (printf "%s-%s" (include "common.names.fullname" $) $index) -}}
{{- end -}}
{{- end }}
persistentVolumeClaim:
claimName: {{ $pvcName }}
{{- else if or (eq $persistence.type "configMap") (eq $persistence.type "secret") }}
{{- $objectName := (required (printf "name not set for persistence item %s" $index) $persistence.name) }}
{{- $objectName = tpl $objectName $ }}
{{- if eq $persistence.type "configMap" }}
configMap:
name: {{ $objectName }}
{{- else }}
secret:
secretName: {{ $objectName }}
{{- end }}
{{- with $persistence.defaultMode }}
defaultMode: {{ . }}
{{- end }}
{{- with $persistence.items }}
items:
{{- toYaml . | nindent 6 }}
{{- end }}
{{- else if eq $persistence.type "emptyDir" }}
{{- $emptyDir := dict -}}
{{- with $persistence.medium -}}
{{- $_ := set $emptyDir "medium" . -}}
{{- end -}}
{{- with $persistence.sizeLimit -}}
{{- $_ := set $emptyDir "sizeLimit" . -}}
{{- end }}
emptyDir: {{- $emptyDir | toYaml | nindent 4 }}
{{- else if eq $persistence.type "hostPath" }}
hostPath:
path: {{ required "hostPath not set" $persistence.hostPath }}
{{- with $persistence.hostPathType }}
type: {{ . }}
{{- end }}
{{- else if eq $persistence.type "nfs" }}
nfs:
server: {{ required "server not set" $persistence.server }}
path: {{ required "path not set" $persistence.path }}
{{- else if eq $persistence.type "custom" }}
{{- toYaml $persistence.volumeSpec | nindent 2 }}
{{- else }}
{{- fail (printf "Not a valid persistence.type (%s)" .Values.persistence.type) }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}