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{{/*
# Copyright © 2017 Amdocs, Bell Canada
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
*/}}
{{/*
Resolve the name of a chart's service.
The default will be the chart name (or .Values.nameOverride if set).
And the use of .Values.service.name overrides all.
- .Values.service.name: override default service (ie. chart) name
*/}}
{{/*
Expand the service name for a chart.
*/}}
{{- define "common.servicename" -}}
{{- $name := default .Chart.Name .Values.nameOverride -}}
{{- default $name .Values.service.name | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{/* Define the metadata of Service
The function takes from one to four arguments (inside a dictionary):
- .dot : environment (.)
- .suffix : a string which will be added at the end of the name (with a '-').
- .annotations: the annotations to add
- .msb_informations: msb information in order to create msb annotation
- .labels : labels to add
Usage example:
{{ include "common.serviceMetadata" ( dict "suffix" "myService" "dot" .) }}
{{ include "common.serviceMetadata" ( dict "annotations" .Values.service.annotation "dot" .) }}
*/}}
{{- define "common.serviceMetadata" -}}
{{- $dot := default . .dot -}}
{{- $suffix := default "" .suffix -}}
{{- $annotations := default "" .annotations -}}
{{- $msb_informations := default "" .msb_informations -}}
{{- $labels := default (dict) .labels -}}
{{- if or $annotations $msb_informations -}}
annotations:
{{- if $annotations }}
{{ include "common.tplValue" (dict "value" $annotations "context" $dot) | indent 2 }}
{{- end }}
{{- if $msb_informations }}
msb.onap.org/service-info: '[
{
"serviceName": "{{ include "common.servicename" $dot }}",
"version": "{{ default "v1" $msb_informations.version }}",
"url": "{{ default "/" $msb_informations.url }}",
"protocol": "{{ default "REST" $msb_informations.protocol }}",
"port": "{{ $msb_informations.port }}",
"visualRange":"{{ default "1" $msb_informations.visualRange }}"
}
]'
{{- end}}
{{- end }}
name: {{ include "common.servicename" $dot }}{{ if $suffix }}{{ print "-" $suffix }}{{ end }}
namespace: {{ include "common.namespace" $dot }}
labels: {{- include "common.labels" (dict "labels" $labels "dot" $dot) | nindent 2 -}}
{{- end -}}
{{/* Define the ports of Service
The function takes three arguments (inside a dictionary):
- .dot : environment (.)
- .ports : an array of ports
- .serviceType: the type of the service
- .add_plain_port: add tls port AND plain port
*/}}
{{- define "common.servicePorts" -}}
{{- $serviceType := .serviceType }}
{{- $dot := .dot }}
{{- $add_plain_port := default false .add_plain_port }}
{{- range $index, $port := .ports }}
{{- if (include "common.needTLS" $dot) }}
- port: {{ $port.port }}
targetPort: {{ $port.name }}
{{- if $port.port_protocol }}
name: {{ printf "%ss-%s" $port.port_protocol $port.name }}
{{- else }}
name: {{ $port.name }}
{{- end }}
{{- if (eq $serviceType "NodePort") }}
nodePort: {{ $dot.Values.global.nodePortPrefix | default $dot.Values.nodePortPrefix }}{{ $port.nodePort }}
{{- end }}
{{- else }}
- port: {{ default $port.port $port.plain_port }}
targetPort: {{ $port.name }}
{{- if $port.port_protocol }}
name: {{ printf "%s-%s" $port.port_protocol $port.name }}
{{- else }}
name: {{ $port.name }}
{{- end }}
{{- end }}
{{- if (and (and (include "common.needTLS" $dot) $add_plain_port) $port.plain_port) }}
{{- if (eq $serviceType "ClusterIP") }}
- port: {{ $port.plain_port }}
targetPort: {{ $port.name }}-plain
{{- if $port.port_protocol }}
name: {{ printf "%s-%s" $port.port_protocol $port.name }}
{{- else }}
name: {{ $port.name }}-plain
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- end -}}
{{/* Create generic service template
The function takes several arguments (inside a dictionary):
- .dot : environment (.)
- .ports : an array of ports
- .serviceType: the type of the service
- .suffix : a string which will be added at the end of the name (with a '-')
- .annotations: the annotations to add
- .msb_informations: msb information in order to create msb annotation
- .publishNotReadyAddresses: if we publish not ready address
- .headless: if the service is headless
- .add_plain_port: add tls port AND plain port
- .labels : labels to add (dict)
- .matchLabels: selectors/machLabels to add (dict)
- .sessionAffinity: ClientIP - enables sticky sessions based on client IP, default: None
*/}}
{{- define "common.genericService" -}}
{{- $dot := default . .dot -}}
{{- $suffix := default "" .suffix -}}
{{- $annotations := default "" .annotations -}}
{{- $msb_informations := default "" .msb_informations -}}
{{- $publishNotReadyAddresses := default false .publishNotReadyAddresses -}}
{{- $serviceType := .serviceType -}}
{{- $ports := .ports -}}
{{- $headless := default false .headless -}}
{{- $add_plain_port := default false .add_plain_port }}
{{- $labels := default (dict) .labels -}}
{{- $matchLabels := default (dict) .matchLabels -}}
{{- $sessionAffinity := default "None" $dot.Values.service.sessionAffinity -}}
apiVersion: v1
kind: Service
metadata: {{ include "common.serviceMetadata" (dict "suffix" $suffix "annotations" $annotations "msb_informations" $msb_informations "labels" $labels "dot" $dot) | nindent 2 }}
spec:
{{- if $headless }}
clusterIP: None
{{- end }}
ports: {{- include "common.servicePorts" (dict "serviceType" $serviceType "ports" $ports "dot" $dot "add_plain_port" $add_plain_port) | nindent 4 }}
{{- if $publishNotReadyAddresses }}
publishNotReadyAddresses: true
{{- end }}
type: {{ $serviceType }}
selector: {{- include "common.matchLabels" (dict "matchLabels" $matchLabels "dot" $dot) | nindent 4 }}
sessionAffinity: {{ $sessionAffinity }}
{{- end -}}
{{/*
Create service template
Will create one or two service templates according to this table:
| serviceType | both_tls_and_plain | result |
|---------------|--------------------|--------------|
| ClusterIP | any | one Service |
| Not ClusterIP | not present | one Service |
| Not ClusterIP | false | one Service |
| Not ClusterIP | true | two Services |
If two services are created, one is ClusterIP with both crypted and plain
ports and the other one is NodePort (or LoadBalancer) with crypted port only.
*/}}
{{- define "common.service" -}}
{{- $dot := default . .dot -}}
{{- $suffix := default "" $dot.Values.service.suffix -}}
{{- $annotations := default "" $dot.Values.service.annotations -}}
{{- $publishNotReadyAddresses := default false $dot.Values.service.publishNotReadyAddresses -}}
{{- $msb_informations := default "" $dot.Values.service.msb -}}
{{- $serviceType := $dot.Values.service.type -}}
{{- $ports := $dot.Values.service.ports -}}
{{- $both_tls_and_plain:= default false $dot.Values.service.both_tls_and_plain }}
{{- $labels := default (dict) .labels -}}
{{- $matchLabels := default (dict) .matchLabels -}}
{{- if (and (include "common.needTLS" .) $both_tls_and_plain) }}
{{ include "common.genericService" (dict "suffix" $suffix "annotations" $annotations "msb_informations" $msb_informations "dot" . "publishNotReadyAddresses" $publishNotReadyAddresses "ports" $ports "serviceType" "ClusterIP" "add_plain_port" true $labels "matchLabels" $matchLabels) }}
{{- if (ne $serviceType "ClusterIP") }}
---
{{- if $suffix }}
{{- $suffix = printf "%s-external" $suffix }}
{{- else }}
{{- $suffix = "external" }}
{{- end }}
{{ include "common.genericService" (dict "suffix" $suffix "annotations" $annotations "dot" . "publishNotReadyAddresses" $publishNotReadyAddresses "ports" $ports "serviceType" $serviceType $labels "matchLabels" $matchLabels) }}
{{- end }}
{{- else }}
{{ include "common.genericService" (dict "suffix" $suffix "annotations" $annotations "dot" . "publishNotReadyAddresses" $publishNotReadyAddresses "ports" $ports "serviceType" $serviceType $labels "matchLabels" $matchLabels) }}
{{- end }}
{{- end -}}
{{/* Create headless service template */}}
{{- define "common.headlessService" -}}
{{- $dot := default . .dot -}}
{{- $suffix := include "common._makeHeadlessSuffix" $dot -}}
{{- $annotations := default "" $dot.Values.service.headless.annotations -}}
{{- $publishNotReadyAddresses := default false $dot.Values.service.headless.publishNotReadyAddresses -}}
{{- $ports := $dot.Values.service.headlessPorts -}}
{{- $labels := default (dict) .labels -}}
{{- $matchLabels := default (dict) .matchLabels -}}
{{ include "common.genericService" (dict "suffix" $suffix "annotations" $annotations "dot" $dot "publishNotReadyAddresses" $publishNotReadyAddresses "ports" $ports "serviceType" "ClusterIP" "headless" true "labels" $labels "matchLabels" $matchLabels) }}
{{- end -}}
{{/*
Generate the right suffix for headless service
*/}}
{{- define "common._makeHeadlessSuffix" -}}
{{- if hasKey .Values.service.headless "suffix" }}
{{- .Values.service.headless.suffix }}
{{- else }}
{{- print "headless" }}
{{- end }}
{{- end -}}
{{/*
Calculate if we need to use TLS ports.
We use TLS by default unless we're on service mesh with TLS.
We can also override this behavior with override toggles:
- .Values.global.tlsEnabled : override default TLS behavior for all charts
- .Values.tlsOverride : override global and default TLS on a per chart basis
this will give these combinations:
| tlsOverride | global.tlsEnabled | global.serviceMesh.enabled | global.serviceMesh.tls | result |
|-------------|-------------------|----------------------------|------------------------|--------|
| not present | not present | not present | any | true |
| not present | not present | false | any | true |
| not present | not present | true | false | true |
| not present | not present | true | true | false |
| not present | true | any | any | true |
| not present | false | any | any | false |
| true | any | any | any | true |
| false | any | any | any | false |
*/}}
{{- define "common.needTLS" -}}
{{- if hasKey .Values "tlsOverride" }}
{{- if .Values.tlsOverride -}}
true
{{- end }}
{{- else }}
{{- if hasKey .Values.global "tlsEnabled" }}
{{- if .Values.global.tlsEnabled }}
true
{{- end }}
{{- else }}
{{- if not (include "common.onServiceMesh" .) -}}
true
{{- else }}
{{- if not (default false .Values.global.serviceMesh.tls) -}}
true
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- end -}}
|
