openstack-helm-infra/helm-toolkit/templates/manifests/_ingress.tpl

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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 manifest for a services ingress rules.
examples:
- values: |
network:
api:
ingress:
public: true
classes:
namespace: "nginx"
cluster: "nginx-cluster"
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /
secrets:
tls:
key_manager:
api:
public: barbican-tls-public
endpoints:
cluster_domain_suffix: cluster.local
key_manager:
name: barbican
hosts:
default: barbican-api
public: barbican
host_fqdn_override:
default: null
public:
host: barbican.openstackhelm.example
tls:
crt: |
FOO-CRT
key: |
FOO-KEY
ca: |
FOO-CA_CRT
path:
default: /
scheme:
default: http
public: https
port:
api:
default: 9311
public: 80
usage: |
{{- include "helm-toolkit.manifests.ingress" ( dict "envAll" . "backendServiceType" "key-manager" "backendPort" "b-api" "endpoint" "public" ) -}}
return: |
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: barbican
annotations:
kubernetes.io/ingress.class: "nginx"
nginx.ingress.kubernetes.io/rewrite-target: /
spec:
rules:
- host: barbican
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- host: barbican.default
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- host: barbican.default.svc.cluster.local
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: barbican-namespace-fqdn
annotations:
kubernetes.io/ingress.class: "nginx"
nginx.ingress.kubernetes.io/rewrite-target: /
spec:
tls:
- secretName: barbican-tls-public
hosts:
- barbican.openstackhelm.example
rules:
- host: barbican.openstackhelm.example
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: barbican-cluster-fqdn
annotations:
kubernetes.io/ingress.class: "nginx-cluster"
nginx.ingress.kubernetes.io/rewrite-target: /
spec:
tls:
- secretName: barbican-tls-public
hosts:
- barbican.openstackhelm.example
rules:
- host: barbican.openstackhelm.example
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- values: |
network:
api:
ingress:
public: true
classes:
namespace: "nginx"
cluster: "nginx-cluster"
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /
secrets:
tls:
key_manager:
api:
public: barbican-tls-public
endpoints:
cluster_domain_suffix: cluster.local
key_manager:
name: barbican
hosts:
default: barbican-api
public:
host: barbican
tls:
crt: |
FOO-CRT
key: |
FOO-KEY
ca: |
FOO-CA_CRT
host_fqdn_override:
default: null
path:
default: /
scheme:
default: http
public: https
port:
api:
default: 9311
public: 80
usage: |
{{- include "helm-toolkit.manifests.ingress" ( dict "envAll" . "backendServiceType" "key-manager" "backendPort" "b-api" "endpoint" "public" ) -}}
return: |
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: barbican
annotations:
kubernetes.io/ingress.class: "nginx"
nginx.ingress.kubernetes.io/rewrite-target: /
spec:
tls:
- secretName: barbican-tls-public
hosts:
- barbican
- barbican.default
- barbican.default.svc.cluster.local
rules:
- host: barbican
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- host: barbican.default
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- host: barbican.default.svc.cluster.local
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- values: |
cert_issuer_type: issuer
network:
api:
ingress:
public: true
classes:
namespace: "nginx"
cluster: "nginx-cluster"
annotations:
nginx.ingress.kubernetes.io/secure-backends: "true"
nginx.ingress.kubernetes.io/backend-protocol: "https"
secrets:
tls:
key_manager:
api:
public: barbican-tls-public
internal: barbican-tls-api
endpoints:
cluster_domain_suffix: cluster.local
key_manager:
name: barbican
hosts:
default: barbican-api
public:
host: barbican
tls:
crt: |
FOO-CRT
key: |
FOO-KEY
ca: |
FOO-CA_CRT
host_fqdn_override:
default: null
path:
default: /
scheme:
default: http
public: https
port:
api:
default: 9311
public: 80
certs:
barbican_tls_api:
secretName: barbican-tls-api
issuerRef:
name: ca-issuer
kind: Issuer
usage: |
{{- include "helm-toolkit.manifests.ingress" ( dict "envAll" . "backendServiceType" "key-manager" "backendPort" "b-api" "endpoint" "public" "certIssuer" "ca-issuer" ) -}}
return: |
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: barbican
annotations:
kubernetes.io/ingress.class: "nginx"
cert-manager.io/issuer: ca-issuer
certmanager.k8s.io/issuer: ca-issuer
nginx.ingress.kubernetes.io/backend-protocol: https
nginx.ingress.kubernetes.io/secure-backends: "true"
spec:
tls:
- secretName: barbican-tls-public-certmanager
hosts:
- barbican
- barbican.default
- barbican.default.svc.cluster.local
rules:
- host: barbican
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- host: barbican.default
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- host: barbican.default.svc.cluster.local
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- values: |
network:
api:
ingress:
public: true
classes:
namespace: "nginx"
cluster: "nginx-cluster"
annotations:
nginx.ingress.kubernetes.io/secure-backends: "true"
nginx.ingress.kubernetes.io/backend-protocol: "https"
secrets:
tls:
key_manager:
api:
public: barbican-tls-public
internal: barbican-tls-api
endpoints:
cluster_domain_suffix: cluster.local
key_manager:
name: barbican
hosts:
default: barbican-api
public:
host: barbican
tls:
crt: |
FOO-CRT
key: |
FOO-KEY
ca: |
FOO-CA_CRT
host_fqdn_override:
default: null
path:
default: /
scheme:
default: http
public: https
port:
api:
default: 9311
public: 80
certs:
barbican_tls_api:
secretName: barbican-tls-api
issuerRef:
name: ca-issuer
kind: ClusterIssuer
usage: |
{{- include "helm-toolkit.manifests.ingress" ( dict "envAll" . "backendServiceType" "key-manager" "backendPort" "b-api" "endpoint" "public" "certIssuer" "ca-issuer") -}}
return: |
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: barbican
annotations:
kubernetes.io/ingress.class: "nginx"
cert-manager.io/cluster-issuer: ca-issuer
certmanager.k8s.io/cluster-issuer: ca-issuer
nginx.ingress.kubernetes.io/backend-protocol: https
nginx.ingress.kubernetes.io/secure-backends: "true"
spec:
tls:
- secretName: barbican-tls-public-certmanager
hosts:
- barbican
- barbican.default
- barbican.default.svc.cluster.local
rules:
- host: barbican
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- host: barbican.default
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
- host: barbican.default.svc.cluster.local
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: barbican-api
port:
name: b-api
# Sample usage for multiple DNS names associated with the same public
# endpoint and certificate
- values: |
endpoints:
cluster_domain_suffix: cluster.local
grafana:
name: grafana
hosts:
default: grafana-dashboard
public: grafana
host_fqdn_override:
public:
host: grafana.openstackhelm.example
tls:
dnsNames:
- grafana-alt.openstackhelm.example
crt: "BASE64 ENCODED CERT"
key: "BASE64 ENCODED KEY"
network:
grafana:
ingress:
classes:
namespace: "nginx"
cluster: "nginx-cluster"
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /
secrets:
tls:
grafana:
grafana:
public: grafana-tls-public
usage: |
{{- $ingressOpts := dict "envAll" . "backendService" "grafana" "backendServiceType" "grafana" "backendPort" "dashboard" -}}
{{ $ingressOpts | include "helm-toolkit.manifests.ingress" }}
return: |
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: grafana
annotations:
kubernetes.io/ingress.class: "nginx"
nginx.ingress.kubernetes.io/rewrite-target: /
spec:
rules:
- host: grafana
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: grafana-dashboard
port:
name: dashboard
- host: grafana.default
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: grafana-dashboard
port:
name: dashboard
- host: grafana.default.svc.cluster.local
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: grafana-dashboard
port:
name: dashboard
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: grafana-namespace-fqdn
annotations:
kubernetes.io/ingress.class: "nginx"
nginx.ingress.kubernetes.io/rewrite-target: /
spec:
tls:
- secretName: grafana-tls-public
hosts:
- grafana.openstackhelm.example
- grafana-alt.openstackhelm.example
rules:
- host: grafana.openstackhelm.example
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: grafana-dashboard
port:
name: dashboard
- host: grafana-alt.openstackhelm.example
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: grafana-dashboard
port:
name: dashboard
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: grafana-cluster-fqdn
annotations:
kubernetes.io/ingress.class: "nginx-cluster"
nginx.ingress.kubernetes.io/rewrite-target: /
spec:
tls:
- secretName: grafana-tls-public
hosts:
- grafana.openstackhelm.example
- grafana-alt.openstackhelm.example
rules:
- host: grafana.openstackhelm.example
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: grafana-dashboard
port:
name: dashboard
- host: grafana-alt.openstackhelm.example
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: grafana-dashboard
port:
name: dashboard
*/}}
{{- define "helm-toolkit.manifests.ingress._host_rules" -}}
{{- $vHost := index . "vHost" -}}
{{- $backendName := index . "backendName" -}}
{{- $backendPort := index . "backendPort" -}}
- host: {{ $vHost }}
http:
paths:
- path: /
pathType: ImplementationSpecific
backend:
service:
name: {{ $backendName }}
port:
{{- if or (kindIs "int" $backendPort) (regexMatch "^[0-9]{1,5}$" $backendPort) }}
number: {{ $backendPort | int }}
{{- else }}
name: {{ $backendPort | quote }}
{{- end }}
{{- end }}
{{- define "helm-toolkit.manifests.ingress" -}}
{{- $envAll := index . "envAll" -}}
{{- $backendService := index . "backendService" | default "api" -}}
{{- $backendServiceType := index . "backendServiceType" -}}
{{- $backendPort := index . "backendPort" -}}
{{- $endpoint := index . "endpoint" | default "public" -}}
{{- $certIssuer := index . "certIssuer" | default "" -}}
{{- $ingressName := tuple $backendServiceType $endpoint $envAll | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
{{- $backendName := tuple $backendServiceType "internal" $envAll | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
{{- $hostName := tuple $backendServiceType $endpoint $envAll | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
{{- $hostNameFull := tuple $backendServiceType $endpoint $envAll | include "helm-toolkit.endpoints.hostname_fqdn_endpoint_lookup" }}
{{- $certIssuerType := "cluster-issuer" -}}
{{- if $envAll.Values.cert_issuer_type }}
{{- $certIssuerType = $envAll.Values.cert_issuer_type }}
{{- end }}
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: {{ $ingressName }}
annotations:
kubernetes.io/ingress.class: {{ index $envAll.Values.network $backendService "ingress" "classes" "namespace" | quote }}
{{- if $certIssuer }}
cert-manager.io/{{ $certIssuerType }}: {{ $certIssuer }}
certmanager.k8s.io/{{ $certIssuerType }}: {{ $certIssuer }}
{{- $slice := index $envAll.Values.endpoints $backendServiceType "host_fqdn_override" "default" "tls" -}}
{{- if (hasKey $slice "duration") }}
cert-manager.io/duration: {{ index $slice "duration" }}
{{- end }}
{{- end }}
{{ toYaml (index $envAll.Values.network $backendService "ingress" "annotations") | indent 4 }}
spec:
{{- $host := index $envAll.Values.endpoints ( $backendServiceType | replace "-" "_" ) "hosts" }}
{{- if $certIssuer }}
{{- $secretName := index $envAll.Values.secrets "tls" ( $backendServiceType | replace "-" "_" ) $backendService $endpoint }}
{{- $_ := required "You need to specify a secret in your values for the endpoint" $secretName }}
tls:
- secretName: {{ printf "%s-ing" $secretName }}
hosts:
{{- range $key1, $vHost := tuple $hostName (printf "%s.%s" $hostName $envAll.Release.Namespace) (printf "%s.%s.svc.%s" $hostName $envAll.Release.Namespace $envAll.Values.endpoints.cluster_domain_suffix) }}
- {{ $vHost }}
{{- end }}
{{- else }}
{{- if hasKey $host $endpoint }}
{{- $endpointHost := index $host $endpoint }}
{{- if kindIs "map" $endpointHost }}
{{- if hasKey $endpointHost "tls" }}
{{- if and ( not ( empty $endpointHost.tls.key ) ) ( not ( empty $endpointHost.tls.crt ) ) }}
{{- $secretName := index $envAll.Values.secrets "tls" ( $backendServiceType | replace "-" "_" ) $backendService $endpoint }}
{{- $_ := required "You need to specify a secret in your values for the endpoint" $secretName }}
tls:
- secretName: {{ $secretName }}
hosts:
{{- range $key1, $vHost := tuple $hostName (printf "%s.%s" $hostName $envAll.Release.Namespace) (printf "%s.%s.svc.%s" $hostName $envAll.Release.Namespace $envAll.Values.endpoints.cluster_domain_suffix) }}
- {{ $vHost }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
rules:
{{- range $key1, $vHost := tuple $hostName (printf "%s.%s" $hostName $envAll.Release.Namespace) (printf "%s.%s.svc.%s" $hostName $envAll.Release.Namespace $envAll.Values.endpoints.cluster_domain_suffix) }}
{{- $hostRules := dict "vHost" $vHost "backendName" $backendName "backendPort" $backendPort }}
{{ $hostRules | include "helm-toolkit.manifests.ingress._host_rules" | indent 4 }}
{{- end }}
{{- if not ( hasSuffix ( printf ".%s.svc.%s" $envAll.Release.Namespace $envAll.Values.endpoints.cluster_domain_suffix) $hostNameFull) }}
{{- $ingressConf := $envAll.Values.network.server.ingress -}}
{{- $ingressClasses := ternary (tuple "namespace") (tuple "namespace" "cluster") (and (hasKey $ingressConf "use_external_ingress_controller") $ingressConf.use_external_ingress_controller) }}
{{- range $key2, $ingressController := $ingressClasses }}
{{- $vHosts := list $hostNameFull }}
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: {{ printf "%s-%s-%s" $ingressName $ingressController "fqdn" }}
annotations:
kubernetes.io/ingress.class: {{ index $envAll.Values.network $backendService "ingress" "classes" $ingressController | quote }}
{{ toYaml (index $envAll.Values.network $backendService "ingress" "annotations") | indent 4 }}
spec:
{{- $host := index $envAll.Values.endpoints ( $backendServiceType | replace "-" "_" ) "host_fqdn_override" }}
{{- if hasKey $host $endpoint }}
{{- $endpointHost := index $host $endpoint }}
{{- if kindIs "map" $endpointHost }}
{{- if hasKey $endpointHost "tls" }}
{{- range $v := without (index $endpointHost.tls "dnsNames" | default list) $hostNameFull }}
{{- $vHosts = append $vHosts $v }}
{{- end }}
{{- if and ( not ( empty $endpointHost.tls.key ) ) ( not ( empty $endpointHost.tls.crt ) ) }}
{{- $secretName := index $envAll.Values.secrets "tls" ( $backendServiceType | replace "-" "_" ) $backendService $endpoint }}
{{- $_ := required "You need to specify a secret in your values for the endpoint" $secretName }}
tls:
- secretName: {{ $secretName }}
hosts:
{{- range $vHost := $vHosts }}
- {{ $vHost }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
rules:
{{- range $vHost := $vHosts }}
{{- $hostNameFullRules := dict "vHost" $vHost "backendName" $backendName "backendPort" $backendPort }}
{{ $hostNameFullRules | include "helm-toolkit.manifests.ingress._host_rules" | indent 4 }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}