openstack-helm-infra/helm-toolkit/templates/manifests/_certificates.tpl
sgupta f60c94fc16 feat(tls): Change Issuer to ClusterIssuer
ClusterIssuer does not belong to a single namespace (unlike Issuer)
and can be referenced by Certificate resources from multiple different
namespaces. When internal TLS is added to multiple namespaces, same
ClusterIssuer can be used instead of one Issuer per namespace.

Change-Id: I1576f486f30d693c4bc6b15e25c238d8004b4568
2021-01-15 18:46:09 +00:00

105 lines
4.2 KiB
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{{/*
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: |
Creates a certificate using jetstack
examples:
- values: |
endpoints:
dashboard:
host_fqdn_override:
default:
host: null
tls:
secretName: keystone-tls-api
issuerRef:
name: ca-issuer
duration: 2160h
organization:
- ACME
commonName: keystone-api.openstack.svc.cluster.local
keySize: 2048
usages:
- server auth
- client auth
dnsNames:
- cluster.local
issuerRef:
name: ca-issuer
usage: |
{{- $opts := dict "envAll" . "service" "dashboard" "type" "internal" -}}
{{ $opts | include "helm-toolkit.manifests.certificates" }}
return: |
---
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
name: keystone-tls-api
namespace: NAMESPACE
spec:
commonName: keystone-api.openstack.svc.cluster.local
dnsNames:
- cluster.local
duration: 2160h
issuerRef:
name: ca-issuer
keySize: 2048
organization:
- ACME
secretName: keystone-tls-api
usages:
- server auth
- client auth
*/}}
{{- define "helm-toolkit.manifests.certificates" -}}
{{- $envAll := index . "envAll" -}}
{{- $service := index . "service" -}}
{{- $type := index . "type" | default "" -}}
{{- $slice := index $envAll.Values.endpoints $service "host_fqdn_override" "default" "tls" -}}
{{/* Put in some sensible default value if one is not provided by values.yaml */}}
{{/* If a dnsNames list is not in the values.yaml, it can be overridden by a passed-in parameter.
This allows user to use other HTK method to determine the URI and pass that into this method.*/}}
{{- if not (hasKey $slice "dnsNames") -}}
{{- $hostName := tuple $service $type $envAll | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" -}}
{{- $dnsNames := list $hostName (printf "%s.%s" $hostName $envAll.Release.Namespace) (printf "%s.%s.svc.%s" $hostName $envAll.Release.Namespace $envAll.Values.endpoints.cluster_domain_suffix) -}}
{{- $_ := $dnsNames | set (index $envAll.Values.endpoints $service "host_fqdn_override" "default" "tls") "dnsNames" -}}
{{- end -}}
{{/* Default keySize to 4096. This can be overridden. */}}
{{- if not (hasKey $slice "keySize") -}}
{{- $_ := ( printf "%d" 4096 | atoi ) | set (index $envAll.Values.endpoints $service "host_fqdn_override" "default" "tls") "keySize" -}}
{{- end -}}
{{/* Default keySize to 3 months. Note the min is 720h. This can be overridden. */}}
{{- if not (hasKey $slice "duration") -}}
{{- $_ := printf "%s" "2190h" | set (index $envAll.Values.endpoints $service "host_fqdn_override" "default" "tls") "duration" -}}
{{- end -}}
{{/* Default renewBefore to 15 days. This can be overridden. */}}
{{- if not (hasKey $slice "renewBefore") -}}
{{- $_ := printf "%s" "360h" | set (index $envAll.Values.endpoints $service "host_fqdn_override" "default" "tls") "renewBefore" -}}
{{- end -}}
{{/* Default the usage to server auth and client auth. This can be overridden. */}}
{{- if not (hasKey $slice "usages") -}}
{{- $_ := (list "server auth" "client auth") | set (index $envAll.Values.endpoints $service "host_fqdn_override" "default" "tls") "usages" -}}
{{- end -}}
---
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
name: {{ index $envAll.Values.endpoints $service "host_fqdn_override" "default" "tls" "secretName" }}
namespace: {{ $envAll.Release.Namespace }}
spec:
{{ $slice | toYaml | indent 2 }}
{{- end -}}