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feat: allow usage of usernamespaces #213

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6 changes: 3 additions & 3 deletions charts/coredns/Chart.yaml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
apiVersion: v2
name: coredns
version: 1.42.2
version: 1.42.3
appVersion: 1.12.0
home: https://coredns.io
icon: https://coredns.io/images/CoreDNS_Colour_Horizontal.png
Expand All @@ -19,5 +19,5 @@ maintainers:
type: application
annotations:
artifacthub.io/changes: |
- kind: removed
description: Removed "istcp" true for default dns:// scheme in "coredns.containerPorts" definition.
- kind: added
description: Add support to run pods in usernamespaces
5 changes: 3 additions & 2 deletions charts/coredns/README.md
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Expand Up @@ -110,7 +110,7 @@ The command removes all the Kubernetes components associated with the chart and
| Parameter | Description | Default |
| :--------------------------------------------- | :---------------------------------------------------------------------------------------------------------------------------------------- | :----------------------------------------------------------- |
| `image.repository` | The image repository to pull from | coredns/coredns |
| `image.tag` | The image tag to pull from (derived from Chart.yaml) | `` |
| `image.tag` | The image tag to pull from (derived from Chart.yaml) | `` |
| `image.pullPolicy` | Image pull policy | IfNotPresent |
| `image.pullSecrets` | Specify container image pull secrets | `[]` |
| `replicaCount` | Number of replicas | 1 |
Expand Down Expand Up @@ -143,6 +143,7 @@ The command removes all the Kubernetes components associated with the chart and
| `isClusterService` | Specifies whether chart should be deployed as cluster-service or normal k8s app. | true |
| `priorityClassName` | Name of Priority Class to assign pods | `""` |
| `securityContext` | securityContext definition for pods | capabilities.add.NET_BIND_SERVICE |
| `hostUsers` | Specifies whether to use usernamespaces or not | true |
| `servers` | Configuration for CoreDNS and plugins | See values.yml |
| `livenessProbe.enabled` | Enable/disable the Liveness probe | `true` |
| `livenessProbe.initialDelaySeconds` | Delay before liveness probe is initiated | `60` |
Expand All @@ -164,7 +165,7 @@ The command removes all the Kubernetes components associated with the chart and
| `extraVolumes` | Optional array of volumes to create | [] |
| `extraVolumeMounts` | Optional array of volumes to mount inside the CoreDNS container | [] |
| `extraSecrets` | Optional array of secrets to mount inside the CoreDNS container | [] |
| `env` | Optional array of environment variables for CoreDNS container | [] |
| `env` | Optional array of environment variables for CoreDNS container | [] |
| `customLabels` | Optional labels for Deployment(s), Pod, Service, ServiceMonitor objects | {} |
| `customAnnotations` | Optional annotations for Deployment(s), Pod, Service, ServiceMonitor objects |
| `rollingUpdate.maxUnavailable` | Maximum number of unavailable replicas during rolling update | `1` |
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3 changes: 3 additions & 0 deletions charts/coredns/templates/deployment.yaml
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Expand Up @@ -72,6 +72,9 @@ spec:
{{- if .Values.isClusterService }}
dnsPolicy: Default
{{- end }}
{{- if not .Values.hostUsers }}
hostUsers: false
{{- end }}
{{- if .Values.affinity }}
affinity:
{{ toYaml .Values.affinity | indent 8 }}
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3 changes: 3 additions & 0 deletions charts/coredns/values.yaml
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Expand Up @@ -102,6 +102,9 @@ securityContext:
- ALL
readOnlyRootFilesystem: true

# Uses users of the host system. If set to false uses usernamespaces. Requires Kubernetes >= 1.33
hostUsers: true

# Default zone is what Kubernetes recommends:
# https://kubernetes.io/docs/tasks/administer-cluster/dns-custom-nameservers/#coredns-configmap-options
servers:
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