| {{/* vim: set filetype=mustache: */}} |
| {{/* |
| Expand the name of the chart. |
| */}} |
| {{- define "coredns.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). |
| */}} |
| {{- define "coredns.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 -}} |
| |
| {{/* |
| Common labels |
| */}} |
| {{- define "coredns.labels" -}} |
| app.kubernetes.io/managed-by: {{ .Release.Service | quote }} |
| app.kubernetes.io/instance: {{ .Release.Name | quote }} |
| helm.sh/chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}" |
| {{- if .Values.isClusterService }} |
| k8s-app: {{ template "coredns.k8sapplabel" . }} |
| kubernetes.io/cluster-service: "true" |
| kubernetes.io/name: "CoreDNS" |
| {{- end }} |
| app.kubernetes.io/name: {{ template "coredns.name" . }} |
| {{- end -}} |
| |
| {{/* |
| Common labels with autoscaler |
| */}} |
| {{- define "coredns.labels.autoscaler" -}} |
| app.kubernetes.io/managed-by: {{ .Release.Service | quote }} |
| app.kubernetes.io/instance: {{ .Release.Name | quote }} |
| helm.sh/chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}" |
| {{- if .Values.isClusterService }} |
| k8s-app: {{ template "coredns.k8sapplabel" . }}-autoscaler |
| kubernetes.io/cluster-service: "true" |
| kubernetes.io/name: "CoreDNS" |
| {{- end }} |
| app.kubernetes.io/name: {{ template "coredns.name" . }}-autoscaler |
| {{- end -}} |
| |
| {{/* |
| Allow k8s-app label to be overridden |
| */}} |
| {{- define "coredns.k8sapplabel" -}} |
| {{- default .Chart.Name .Values.k8sAppLabelOverride | trunc 63 | trimSuffix "-" -}} |
| {{- end -}} |
| |
| {{/* |
| Generate the list of ports automatically from the server definitions |
| */}} |
| {{- define "coredns.servicePorts" -}} |
| {{/* Set ports to be an empty dict */}} |
| {{- $ports := dict -}} |
| {{/* Iterate through each of the server blocks */}} |
| {{- range .Values.servers -}} |
| {{/* Capture port to avoid scoping awkwardness */}} |
| {{- $port := toString .port -}} |
| |
| {{/* If none of the server blocks has mentioned this port yet take note of it */}} |
| {{- if not (hasKey $ports $port) -}} |
| {{- $ports := set $ports $port (dict "istcp" false "isudp" false) -}} |
| {{- end -}} |
| {{/* Retrieve the inner dict that holds the protocols for a given port */}} |
| {{- $innerdict := index $ports $port -}} |
| |
| {{/* |
| Look at each of the zones and check which protocol they serve |
| At the moment the following are supported by CoreDNS: |
| UDP: dns:// |
| TCP: tls://, grpc:// |
| */}} |
| {{- range .zones -}} |
| {{- if has (default "" .scheme) (list "dns://") -}} |
| {{/* Optionally enable tcp for this service as well */}} |
| {{- if eq (default false .use_tcp) true }} |
| {{- $innerdict := set $innerdict "istcp" true -}} |
| {{- end }} |
| {{- $innerdict := set $innerdict "isudp" true -}} |
| {{- end -}} |
| |
| {{- if has (default "" .scheme) (list "tls://" "grpc://") -}} |
| {{- $innerdict := set $innerdict "istcp" true -}} |
| {{- end -}} |
| {{- end -}} |
| |
| {{/* If none of the zones specify scheme, default to dns:// on both tcp & udp */}} |
| {{- if and (not (index $innerdict "istcp")) (not (index $innerdict "isudp")) -}} |
| {{- $innerdict := set $innerdict "isudp" true -}} |
| {{- $innerdict := set $innerdict "istcp" true -}} |
| {{- end -}} |
| |
| {{- if .nodePort -}} |
| {{- $innerdict := set $innerdict "nodePort" .nodePort -}} |
| {{- end -}} |
| |
| {{/* Write the dict back into the outer dict */}} |
| {{- $ports := set $ports $port $innerdict -}} |
| {{- end -}} |
| |
| {{/* Write out the ports according to the info collected above */}} |
| {{- range $port, $innerdict := $ports -}} |
| {{- $portList := list -}} |
| {{- if index $innerdict "isudp" -}} |
| {{- $portList = append $portList (dict "port" ($port | int) "protocol" "UDP" "name" (printf "udp-%s" $port)) -}} |
| {{- end -}} |
| {{- if index $innerdict "istcp" -}} |
| {{- $portList = append $portList (dict "port" ($port | int) "protocol" "TCP" "name" (printf "tcp-%s" $port)) -}} |
| {{- end -}} |
| |
| {{- range $portDict := $portList -}} |
| {{- if index $innerdict "nodePort" -}} |
| {{- $portDict := set $portDict "nodePort" (get $innerdict "nodePort" | int) -}} |
| {{- end -}} |
| |
| {{- printf "- %s\n" (toJson $portDict) -}} |
| {{- end -}} |
| {{- end -}} |
| {{- end -}} |
| |
| {{/* |
| Generate the list of ports automatically from the server definitions |
| */}} |
| {{- define "coredns.containerPorts" -}} |
| {{/* Set ports to be an empty dict */}} |
| {{- $ports := dict -}} |
| {{/* Iterate through each of the server blocks */}} |
| {{- range .Values.servers -}} |
| {{/* Capture port to avoid scoping awkwardness */}} |
| {{- $port := toString .port -}} |
| |
| {{/* If none of the server blocks has mentioned this port yet take note of it */}} |
| {{- if not (hasKey $ports $port) -}} |
| {{- $ports := set $ports $port (dict "istcp" false "isudp" false) -}} |
| {{- end -}} |
| {{/* Retrieve the inner dict that holds the protocols for a given port */}} |
| {{- $innerdict := index $ports $port -}} |
| |
| {{/* |
| Look at each of the zones and check which protocol they serve |
| At the moment the following are supported by CoreDNS: |
| UDP: dns:// |
| TCP: tls://, grpc:// |
| */}} |
| {{- range .zones -}} |
| {{- if has (default "" .scheme) (list "dns://") -}} |
| {{/* Optionally enable tcp for this service as well */}} |
| {{- if eq (default false .use_tcp) true }} |
| {{- $innerdict := set $innerdict "istcp" true -}} |
| {{- end }} |
| {{- $innerdict := set $innerdict "isudp" true -}} |
| {{- end -}} |
| |
| {{- if has (default "" .scheme) (list "tls://" "grpc://") -}} |
| {{- $innerdict := set $innerdict "istcp" true -}} |
| {{- end -}} |
| {{- end -}} |
| |
| {{/* If none of the zones specify scheme, default to dns:// on both tcp & udp */}} |
| {{- if and (not (index $innerdict "istcp")) (not (index $innerdict "isudp")) -}} |
| {{- $innerdict := set $innerdict "isudp" true -}} |
| {{- $innerdict := set $innerdict "istcp" true -}} |
| {{- end -}} |
| |
| {{- if .hostPort -}} |
| {{- $innerdict := set $innerdict "hostPort" .hostPort -}} |
| {{- end -}} |
| |
| {{/* Write the dict back into the outer dict */}} |
| {{- $ports := set $ports $port $innerdict -}} |
| |
| {{/* Fetch port from the configuration if the prometheus section exists */}} |
| {{- range .plugins -}} |
| {{- if eq .name "prometheus" -}} |
| {{- $prometheus_addr := toString .parameters -}} |
| {{- $prometheus_addr_list := regexSplit ":" $prometheus_addr -1 -}} |
| {{- $prometheus_port := index $prometheus_addr_list 1 -}} |
| {{- $ports := set $ports $prometheus_port (dict "istcp" true "isudp" false) -}} |
| {{- end -}} |
| {{- end -}} |
| {{- end -}} |
| |
| {{/* Write out the ports according to the info collected above */}} |
| {{- range $port, $innerdict := $ports -}} |
| {{- $portList := list -}} |
| {{- if index $innerdict "isudp" -}} |
| {{- $portList = append $portList (dict "containerPort" ($port | int) "protocol" "UDP" "name" (printf "udp-%s" $port)) -}} |
| {{- end -}} |
| {{- if index $innerdict "istcp" -}} |
| {{- $portList = append $portList (dict "containerPort" ($port | int) "protocol" "TCP" "name" (printf "tcp-%s" $port)) -}} |
| {{- end -}} |
| |
| {{- range $portDict := $portList -}} |
| {{- if index $innerdict "hostPort" -}} |
| {{- $portDict := set $portDict "hostPort" (get $innerdict "hostPort" | int) -}} |
| {{- end -}} |
| |
| {{- printf "- %s\n" (toJson $portDict) -}} |
| {{- end -}} |
| {{- end -}} |
| {{- end -}} |
| |
| {{/* |
| Create the name of the service account to use |
| */}} |
| {{- define "coredns.serviceAccountName" -}} |
| {{- if .Values.serviceAccount.create -}} |
| {{ default (include "coredns.fullname" .) .Values.serviceAccount.name }} |
| {{- else -}} |
| {{ default "default" .Values.serviceAccount.name }} |
| {{- end -}} |
| {{- end -}} |
| |
| {{/* |
| Create the name of the service account to use |
| */}} |
| {{- define "coredns.clusterRoleName" -}} |
| {{- if and .Values.clusterRole .Values.clusterRole.nameOverride -}} |
| {{ .Values.clusterRole.nameOverride }} |
| {{- else -}} |
| {{ template "coredns.fullname" . }} |
| {{- end -}} |
| {{- end -}} |