k8s/helm-charts/dashy/charts/common/templates/lib/service/_validation.tpl

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2023-11-16 19:42:02 +10:00
{{/* Service Validation */}}
{{/* Call this template:
{{ include "tc.v1.common.lib.service.validation" (dict "objectData" $objectData) -}}
objectData:
rootCtx: The root context of the chart.
objectData: The service object.
*/}}
{{- define "tc.v1.common.lib.service.validation" -}}
{{- $rootCtx := .rootCtx -}}
{{- $objectData := .objectData -}}
{{- if and $objectData.targetSelector (not (kindIs "string" $objectData.targetSelector)) -}}
{{- fail (printf "Service - Expected <targetSelector> to be [string], but got [%s]" (kindOf $objectData.targetSelector)) -}}
{{- end -}}
{{- $svcTypes := (list "ClusterIP" "LoadBalancer" "NodePort" "ExternalName" "ExternalIP") -}}
{{- if and $objectData.type (not (mustHas $objectData.type $svcTypes)) -}}
{{- fail (printf "Service - Expected <type> to be one of [%s] but got [%s]" (join ", " $svcTypes) $objectData.type) -}}
{{- end -}}
{{- $hasEnabledPort := false -}}
{{- if ne $objectData.type "ExternalName" -}}
{{- range $name, $port := $objectData.ports -}}
{{- if $port.enabled -}}
{{- $hasEnabledPort = true -}}
{{- if and $port.targetSelector (not (kindIs "string" $port.targetSelector)) -}}
{{- fail (printf "Service - Expected <port.targetSelector> to be [string], but got [%s]" (kindOf $port.targetSelector)) -}}
{{- end -}}
{{- if not $port.port -}}
{{- fail (printf "Service - Expected non-empty <port.port>") -}}
{{- end -}}
{{- $protocolTypes := (list "tcp" "udp" "http" "https") -}}
{{- if $port.protocol -}}
{{- if not (mustHas (tpl $port.protocol $rootCtx) $protocolTypes) -}}
{{- fail (printf "Service - Expected <port.protocol> to be one of [%s] but got [%s]" (join ", " $protocolTypes) $port.protocol) -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- if not $hasEnabledPort -}}
{{- fail "Service - Expected enabled service to have at least one port" -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{/* Service Primary Validation */}}
{{/* Call this template:
{{ include "tc.v1.common.lib.service.primaryValidation" $ -}}
*/}}
{{- define "tc.v1.common.lib.service.primaryValidation" -}}
{{/* Initialize values */}}
{{- $hasPrimary := false -}}
{{- $hasEnabled := false -}}
{{- range $name, $service := .Values.service -}}
{{/* If service is enabled */}}
{{- if $service.enabled -}}
{{- $hasEnabled = true -}}
{{/* And service is primary */}}
{{- if and (hasKey $service "primary") ($service.primary) -}}
{{/* Fail if there is already a primary service */}}
{{- if $hasPrimary -}}
{{- fail "Service - Only one service can be primary" -}}
{{- end -}}
{{- $hasPrimary = true -}}
{{- include "tc.v1.common.lib.servicePort.primaryValidation" (dict "objectData" $service.ports) -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{/* Require at least one primary service, if any enabled */}}
{{- if and $hasEnabled (not $hasPrimary) -}}
{{- fail "Service - At least one enabled service must be primary" -}}
{{- end -}}
{{- end -}}
{{/* Service Port Primary Validation */}}
{{/* Call this template:
{{ include "tc.v1.common.lib.service.primaryValidation" (dict "objectData" $objectData -}}
objectData:
The ports of the service.
*/}}
{{- define "tc.v1.common.lib.servicePort.primaryValidation" -}}
{{- $objectData := .objectData -}}
{{/* Initialize values */}}
{{- $hasPrimary := false -}}
{{- $hasEnabled := false -}}
{{- range $name, $port := $objectData -}}
{{/* If service is enabled */}}
{{- if $port.enabled -}}
{{- $hasEnabled = true -}}
{{/* And service is primary */}}
{{- if and (hasKey $port "primary") ($port.primary) -}}
{{/* Fail if there is already a primary port */}}
{{- if $hasPrimary -}}
{{- fail "Service - Only one port per service can be primary" -}}
{{- end -}}
{{- $hasPrimary = true -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{/* Require at least one primary service, if any enabled */}}
{{- if and $hasEnabled (not $hasPrimary) -}}
{{- fail "Service - At least one enabled port in service must be primary" -}}
{{- end -}}
{{- end -}}