k8s/helm-charts/dashy/charts/common/templates/helpers/_getSelectedPod.tpl

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2023-11-16 19:42:02 +10:00
{{/* Service - Get Selected Pod */}}
{{/* Call this template:
{{ include "tc.v1.common.lib.helpers.getSelectedPodValues" (dict "rootCtx" $rootCtx "objectData" $objectData) -}}
objectData: The object data of the service
rootCtx: The root context of the chart.
*/}}
{{- define "tc.v1.common.lib.helpers.getSelectedPodValues" -}}
{{- $rootCtx := .rootCtx -}}
{{- $objectData := .objectData -}}
{{- $caller := .caller -}}
{{- $podValues := dict -}}
{{- with $objectData.targetSelector -}}
{{- $podValues = mustDeepCopy (get $rootCtx.Values.workload .) -}}
{{- if not $podValues -}}
{{- fail (printf "%s - Selected pod [%s] is not defined" $caller .) -}}
{{- end -}}
{{- if not $podValues.enabled -}}
{{- fail (printf "%s - Selected pod [%s] is not enabled" $caller .) -}}
{{- end -}}
{{/* While we know the shortName from targetSelector, let's set it explicitly
So service can reference this directly, to match the behaviour of a service
without targetSelector defined (assumes "use primary") */}}
{{- $_ := set $podValues "shortName" . -}}
{{- else -}}
{{/* If no targetSelector is defined, we assume the service is using the primary pod */}}
{{/* Also no need to check for multiple primaries here, it's already done on the workload validation */}}
{{- range $podName, $pod := $rootCtx.Values.workload -}}
{{- if $pod.enabled -}}
{{- if $pod.primary -}}
{{- $podValues = mustDeepCopy $pod -}}
{{/* Set the shortName so service can use this on selector */}}
{{- $_ := set $podValues "shortName" $podName -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{/* Return values in Json, to preserve types */}}
{{ $podValues | toJson }}
{{- end -}}