openstack-helm-infra/helm-toolkit/templates/endpoints/_hostname_short_endpoint_lookup.tpl
Pete Birley bf3871b739 HTK: support a map for hostname lookups
This PS adds support for maps containing `host` for use within
the hostname lookup functions as well as a simple string.

Change-Id: I6fc5ebfb349c6581d40fe2d8723771d16ba1f9ec
Signed-off-by: Pete Birley <pete@port.direct>
2019-01-28 10:15:54 -06:00

64 lines
2.1 KiB
Smarty

{{/*
Copyright 2017 The Openstack-Helm Authors.
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.
*/}}
{{/*
abstract: |
Resolves the short hostname for an endpoint
examples:
- values: |
endpoints:
oslo_db:
hosts:
default: mariadb
host_fqdn_override:
default: null
usage: |
{{ tuple "oslo_db" "internal" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
return: |
mariadb
- values: |
endpoints:
oslo_db:
hosts:
default:
host: mariadb
host_fqdn_override:
default: null
usage: |
{{ tuple "oslo_db" "internal" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
return: |
mariadb
*/}}
{{- define "helm-toolkit.endpoints.hostname_short_endpoint_lookup" -}}
{{- $type := index . 0 -}}
{{- $endpoint := index . 1 -}}
{{- $context := index . 2 -}}
{{- $endpointMap := index $context.Values.endpoints ( $type | replace "-" "_" ) }}
{{- $endpointScheme := $endpointMap.scheme }}
{{- $_ := set $context.Values "__endpointHost" ( index $endpointMap.hosts $endpoint | default $endpointMap.hosts.default ) }}
{{- if kindIs "map" $context.Values.__endpointHost }}
{{- $_ := set $context.Values "__endpointHost" ( index $context.Values.__endpointHost "host" ) }}
{{- end }}
{{- $endpointHost := $context.Values.__endpointHost }}
{{- if regexMatch "[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+" $endpointHost }}
{{- printf "%s" $type -}}
{{- else }}
{{- $endpointHostname := printf "%s" $endpointHost }}
{{- printf "%s" $endpointHostname -}}
{{- end }}
{{- end -}}