k8s/helm-charts/dashy/charts/common/templates/class/_service.tpl
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2023-11-16 19:42:02 +10:00

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{{/* Service Class */}}
{{/* Call this template:
{{ include "tc.v1.common.class.service" (dict "rootCtx" $ "objectData" $objectData) }}
rootCtx: The root context of the chart.
objectData: The service data, that will be used to render the Service object.
*/}}
{{- define "tc.v1.common.class.service" -}}
{{- $rootCtx := .rootCtx -}}
{{- $objectData := .objectData -}}
{{- $svcType := $objectData.type | default $rootCtx.Values.fallbackDefaults.serviceType -}}
{{/* Init variables */}}
{{- $hasHTTPSPort := false -}}
{{- $hasHostPort := false -}}
{{- $hostNetwork := false -}}
{{- $podValues := dict -}}
{{- range $portName, $port := $objectData.ports -}}
{{- if $port.enabled -}}
{{- if eq (tpl ($port.protocol | default "") $rootCtx) "https" -}}
{{- $hasHTTPSPort = true -}}
{{- end -}}
{{- if and (hasKey $port "hostPort") $port.hostPort -}}
{{- $hasHostPort = true -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- $specialTypes := (list "ExternalName" "ExternalIP") -}}
{{/* External Name / External IP does not rely on any pod values */}}
{{- if not (mustHas $svcType $specialTypes) -}}
{{/* Get Pod Values based on the selector (or the absence of it) */}}
{{- $podValues = fromJson (include "tc.v1.common.lib.helpers.getSelectedPodValues" (dict "rootCtx" $rootCtx "objectData" $objectData "caller" "Service")) -}}
{{- if $podValues -}}
{{/* Get Pod hostNetwork configuration */}}
{{- $hostNetwork = include "tc.v1.common.lib.pod.hostNetwork" (dict "rootCtx" $rootCtx "objectData" $podValues) -}}
{{/* When hostNetwork is set on the pod, force ClusterIP, so services wont try to bind the same ports on the host */}}
{{- if or (and (kindIs "bool" $hostNetwork) $hostNetwork) (and (kindIs "string" $hostNetwork) (eq $hostNetwork "true")) -}}
{{- $svcType = "ClusterIP" -}}
{{- end -}}
{{- end -}}
{{/* When hostPort is defined, force ClusterIP aswell */}}
{{- if $hasHostPort -}}
{{- $svcType = "ClusterIP" -}}
{{- end -}}
{{- end -}}
{{- $_ := set $objectData "type" $svcType }}
---
apiVersion: v1
kind: Service
metadata:
name: {{ $objectData.name }}
namespace: {{ include "tc.v1.common.lib.metadata.namespace" (dict "rootCtx" $rootCtx "objectData" $objectData "caller" "Service") }}
{{- $labels := (mustMerge ($objectData.labels | default dict) (include "tc.v1.common.lib.metadata.allLabels" $rootCtx | fromYaml)
(include "tc.v1.common.lib.metadata.selectorLabels" (dict "rootCtx" $rootCtx "objectType" "service" "objectName" $objectData.shortName) | fromYaml)) -}}
{{- with (include "tc.v1.common.lib.metadata.render" (dict "rootCtx" $rootCtx "labels" $labels) | trim) }}
labels:
{{- . | nindent 4 }}
{{- end -}}
{{- $annotations := (mustMerge ($objectData.annotations | default dict) (include "tc.v1.common.lib.metadata.allAnnotations" $rootCtx | fromYaml)) -}}
{{- if eq $objectData.type "LoadBalancer" -}}
{{- include "tc.v1.common.lib.service.metalLBAnnotations" (dict "rootCtx" $rootCtx "objectData" $objectData "annotations" $annotations) -}}
{{- end -}}
{{- if $hasHTTPSPort -}}
{{- include "tc.v1.common.lib.service.traefikAnnotations" (dict "rootCtx" $rootCtx "annotations" $annotations) -}}
{{- end -}}
{{- with (include "tc.v1.common.lib.metadata.render" (dict "rootCtx" $rootCtx "annotations" $annotations) | trim) }}
annotations:
{{- . | nindent 4 }}
{{- end }}
spec:
{{- if eq $objectData.type "ClusterIP" -}}
{{- include "tc.v1.common.lib.service.spec.clusterIP" (dict "rootCtx" $rootCtx "objectData" $objectData) | trim | nindent 2 -}}
{{- else if eq $objectData.type "LoadBalancer" -}}
{{- include "tc.v1.common.lib.service.spec.loadBalancer" (dict "rootCtx" $rootCtx "objectData" $objectData) | trim | nindent 2 -}}
{{- else if eq $objectData.type "NodePort" -}}
{{- include "tc.v1.common.lib.service.spec.nodePort" (dict "rootCtx" $rootCtx "objectData" $objectData) | trim | nindent 2 -}}
{{- else if eq $objectData.type "ExternalName" -}}
{{- include "tc.v1.common.lib.service.spec.externalName" (dict "rootCtx" $rootCtx "objectData" $objectData) | trim | nindent 2 -}}
{{- else if eq $objectData.type "ExternalIP" -}}
{{- include "tc.v1.common.lib.service.spec.externalIP" (dict "rootCtx" $rootCtx "objectData" $objectData) | trim | nindent 2 -}}
{{- end -}}
{{- with (include "tc.v1.common.lib.service.ports" (dict "rootCtx" $rootCtx "objectData" $objectData) | trim) }}
ports:
{{- . | nindent 4 }}
{{- end -}}
{{- if not (mustHas $objectData.type $specialTypes) }}
selector:
{{- if $objectData.selectorLabels }}
{{- tpl ( toYaml $objectData.selectorLabels) $rootCtx | nindent 4 }}
{{- else }}
{{- include "tc.v1.common.lib.metadata.selectorLabels" (dict "rootCtx" $rootCtx "objectType" "pod" "objectName" $podValues.shortName) | trim | nindent 4 -}}
{{- end }}
{{- end -}}
{{- if eq $objectData.type "ExternalIP" -}}
{{- $useSlice := true -}}
{{- if kindIs "bool" $objectData.useSlice -}}
{{- $useSlice = $objectData.useSlice -}}
{{- end -}}
{{- if $useSlice -}}
{{- include "tc.v1.common.class.endpointSlice" (dict "rootCtx" $rootCtx "objectData" $objectData) | trim | nindent 0 }}
{{- else -}}
{{- include "tc.v1.common.class.endpoint" (dict "rootCtx" $rootCtx "objectData" $objectData) | trim | nindent 0 }}
{{- end -}}
{{- end -}}
{{- end -}}