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[helm] Add support for namespaced scope #3403

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Mar 30, 2023
Merged

[helm] Add support for namespaced scope #3403

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aaa855c
[helm] Add support for namespaced scope
jkroepke Feb 13, 2023
ce79a61
Add documentation about namespaced scope
jkroepke Feb 14, 2023
564cd92
Add documentation about namespaced scope
jkroepke Feb 14, 2023
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1 change: 1 addition & 0 deletions charts/external-dns/README.md
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Expand Up @@ -69,6 +69,7 @@ The following table lists the configurable parameters of the _ExternalDNS_ chart
| `logFormat` | Formats of the logs, available values are: `text`, `json`. | `text` |
| `interval` | The interval for DNS updates. | `1m` |
| `triggerLoopOnEvent` | When enabled, triggers run loop on create/update/delete events in addition of regular interval. | `false` |
| `namespaced` | When enabled, external-dns runs on namespace scope. Additionally, Role and Rolebinding will be namespaced, too. | `false` |
| `sources` | K8s resources type to be observed for new DNS entries. | See _values.yaml_ |
| `policy` | How DNS records are synchronized between sources and providers, available values are: `sync`, `upsert-only`. | `upsert-only` |
| `registry` | Registry Type, available types are: `txt`, `noop`. | `txt` |
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4 changes: 2 additions & 2 deletions charts/external-dns/templates/clusterrole.yaml
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@@ -1,12 +1,12 @@
{{- if .Values.rbac.create -}}
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
kind: {{ .Values.namespaced | ternary "Role" "ClusterRole" }}
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metadata:
name: {{ template "external-dns.fullname" . }}
labels:
{{- include "external-dns.labels" . | nindent 4 }}
rules:
{{- if or (has "node" .Values.sources) (has "pod" .Values.sources) (has "service" .Values.sources) (has "contour-httpproxy" .Values.sources) (has "gloo-proxy" .Values.sources) (has "openshift-route" .Values.sources) (has "skipper-routegroup" .Values.sources) }}
{{- if and (not .Values.namespaced) (or (has "node" .Values.sources) (has "pod" .Values.sources) (has "service" .Values.sources) (has "contour-httpproxy" .Values.sources) (has "gloo-proxy" .Values.sources) (has "openshift-route" .Values.sources) (has "skipper-routegroup" .Values.sources)) }}
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- apiGroups: [""]
resources: ["nodes"]
verbs: ["list","watch"]
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4 changes: 2 additions & 2 deletions charts/external-dns/templates/clusterrolebinding.yaml
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@@ -1,13 +1,13 @@
{{- if .Values.rbac.create -}}
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
kind: {{ .Values.namespaced | ternary "RoleBinding" "ClusterRoleBinding" }}
metadata:
name: {{ printf "%s-viewer" (include "external-dns.fullname" .) }}
labels:
{{- include "external-dns.labels" . | nindent 4 }}
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
kind: {{ .Values.namespaced | ternary "Role" "ClusterRole" }}
name: {{ template "external-dns.fullname" . }}
subjects:
- kind: ServiceAccount
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3 changes: 3 additions & 0 deletions charts/external-dns/templates/deployment.yaml
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Expand Up @@ -89,6 +89,9 @@ spec:
- --txt-suffix={{ .Values.txtSuffix }}
{{- end }}
{{- end }}
{{- if .Values.namespaced }}
- --namespace={{ .Release.Namespace }}
{{- end }}
{{- range .Values.domainFilters }}
- --domain-filter={{ . }}
{{- end }}
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2 changes: 2 additions & 0 deletions charts/external-dns/values.yaml
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Expand Up @@ -151,6 +151,8 @@ logFormat: text
interval: 1m
triggerLoopOnEvent: false

namespaced: false

sources:
- service
- ingress
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