8b026f42d5
* Values: Fix docs of `controller.podSecurityContext` & `controller.sysctls`. * Values: Add missing `controller.containerSecurityContext`. Already in use, but has never been added to values. * Values: Fix docs of `defaultBackend.podSecurityContext` & `defaultBackend.containerSecurityContext`. * Helpers: Rename `controller.containerSecurityContext` to `ingress-nginx.controller.containerSecurityContext`. Due to alignment with other templates. * Helpers: Improve `extraModules`. - Make `command` a multiline list. - Fix `toYaml` usage. - Remove `toYaml` where not necessary. * Helpers: Move `ingress-nginx.defaultBackend.fullname`. * Helpers: Add `ingress-nginx.defaultBackend.containerSecurityContext`. Extracts the default backend `securityContext` into a template, as for the controller. * Controller: Fix indentation of `controller.podSecurityContext` & `controller.sysctls`. * Controller: Improve `controller.extraModules` & `controller.opentelemetry`. - Add `controller.extraModules.distroless` & `controller.extraModules.resources`. - Add `controller.opentelemetry.name` & `controller.opentelemetry.distroless`. - Align `extraModules` inclusion for `controller.extraModules` & `controller.opentelemetry`. - Remove redundant whitespaces. * Controller/PSP: Align indentation. * Controller/PSP: Remove quotes. * Controller/PSP: Improve comments. * Controller/PSP: Reorder fields. See https://v1-24.docs.kubernetes.io/docs/concepts/security/pod-security-policy. * Admission Webhooks: Fix indentation of `controller.admissionWebhooks.patch.securityContext`. * Admission Webhooks/PSP: Align indentation. * Admission Webhooks/PSP: Reorder fields. * Admission Webhooks/PSP: Align condition. * Admission Webhooks/ClusterRole: Align PSP rule. * Default Backend/PSP: Align indentation. * Default Backend/PSP: Reorder fields. See https://v1-24.docs.kubernetes.io/docs/concepts/security/pod-security-policy. * Values: Tighten `controller.image`. Due to recent changes, the controller image can be run without privilege escalation: - https://github.com/kubernetes/ingress-nginx/issues/8499 - https://github.com/kubernetes/ingress-nginx/pull/7449 * Values: Tighten `controller.extraModules.containerSecurityContext`. * Values: Tighten `controller.opentelemetry.containerSecurityContext`. * Values: Tighten `controller.admissionWebhooks.*.securityContext`. Moves the pod `securityContext` to the containers to not interfere with injected containers. * Values: Tighten `defaultBackend.image`.
50 lines
1.2 KiB
YAML
50 lines
1.2 KiB
YAML
{{- if (semverCompare "<1.25.0-0" .Capabilities.KubeVersion.Version) }}
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{{- if and .Values.podSecurityPolicy.enabled .Values.defaultBackend.enabled (empty .Values.defaultBackend.existingPsp) -}}
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apiVersion: policy/v1beta1
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kind: PodSecurityPolicy
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metadata:
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name: {{ include "ingress-nginx.fullname" . }}-backend
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annotations:
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seccomp.security.alpha.kubernetes.io/allowedProfileNames: "*"
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labels:
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{{- include "ingress-nginx.labels" . | nindent 4 }}
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app.kubernetes.io/component: default-backend
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{{- with .Values.defaultBackend.labels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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privileged: false
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hostPID: false
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hostIPC: false
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hostNetwork: false
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volumes:
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- configMap
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- downwardAPI
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- emptyDir
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- secret
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- projected
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fsGroup:
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rule: MustRunAs
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ranges:
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- min: 1
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max: 65535
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readOnlyRootFilesystem: true
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runAsUser:
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rule: MustRunAsNonRoot
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runAsGroup:
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rule: MustRunAs
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ranges:
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- min: 1
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max: 65535
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supplementalGroups:
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rule: MustRunAs
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ranges:
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- min: 1
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max: 65535
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allowPrivilegeEscalation: false
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requiredDropCapabilities:
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- ALL
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seLinux:
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rule: RunAsAny
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{{- end }}
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{{- end }}
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