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Remove Kubernetes Dashboard support (#12858)

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neo
2026-02-08 01:19:08 +08:00
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parent 3aa0c0cc64
commit a563431c68
13 changed files with 0 additions and 432 deletions
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1
docs/ansible/ansible.md
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@@ -78,7 +78,6 @@ The following tags are defined in playbooks:
| crio | Configuring crio container engine for hosts |
| crun | Configuring crun runtime |
| csi-driver | Configuring csi driver |
| dashboard | Installing and configuring the Kubernetes Dashboard |
| dns | Remove dns entries when resetting |
| docker | Configuring docker engine runtime for hosts |
| download | Fetching container images to a delegate host |

26
docs/getting_started/getting-started.md
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@@ -83,32 +83,6 @@ authentication. One can get a kubeconfig from kube_control_plane hosts
For more information on kubeconfig and accessing a Kubernetes cluster, refer to
the Kubernetes [documentation](https://kubernetes.io/docs/tasks/access-application-cluster/configure-access-multiple-clusters/).
## Accessing Kubernetes Dashboard
Supported version is kubernetes-dashboard v2.0.x :
- Login option : token/kubeconfig by default
- Deployed by default in "kube-system" namespace, can be overridden with `dashboard_namespace: kubernetes-dashboard` in inventory,
- Only serves over https
Access is described in [dashboard docs](https://github.com/kubernetes/dashboard/tree/master/docs/user/accessing-dashboard). With kubespray's default deployment in kube-system namespace, instead of kubernetes-dashboard :
- Proxy URL is <http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/#/login>
- kubectl commands must be run with "-n kube-system"
Accessing through Ingress is highly recommended. For proxy access, please note that proxy must listen to [localhost](https://github.com/kubernetes/dashboard/issues/692#issuecomment-220492484) (`proxy --address="x.x.x.x"` will not work)
For token authentication, guide to create Service Account is provided in [dashboard sample user](https://github.com/kubernetes/dashboard/blob/master/docs/user/access-control/creating-sample-user.md) doc. Still take care of default namespace.
Access can also by achieved via ssh tunnel on a control plane :
```bash
# localhost:8081 will be sent to control-plane-1's own localhost:8081
ssh -L8001:localhost:8001 user@control-plane-1
sudo -i
kubectl proxy
```
## Accessing Kubernetes API
The main client of Kubernetes is `kubectl`. It is installed on each kube_control_plane

4
inventory/sample/group_vars/k8s_cluster/addons.yml
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@@ -1,8 +1,4 @@
---
# Kubernetes dashboard
# RBAC required. see docs/getting-started.md for access details.
# dashboard_enabled: false
# Helm deployment
helm_enabled: false

24
roles/kubernetes-apps/ansible/defaults/main.yml
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@@ -119,29 +119,5 @@ netchecker_agent_log_level: 5
netchecker_server_log_level: 5
netchecker_etcd_log_level: info
# Dashboard
dashboard_replicas: 1
# Namespace for dashboard
dashboard_namespace: kube-system
# Limits for dashboard
dashboard_cpu_limit: 100m
dashboard_memory_limit: 256M
dashboard_cpu_requests: 50m
dashboard_memory_requests: 64M
# Set dashboard_use_custom_certs to true if overriding dashboard_certs_secret_name with a secret that
# contains dashboard_tls_key_file and dashboard_tls_cert_file instead of using the initContainer provisioned certs
dashboard_use_custom_certs: false
dashboard_certs_secret_name: kubernetes-dashboard-certs
dashboard_tls_key_file: dashboard.key
dashboard_tls_cert_file: dashboard.crt
dashboard_master_toleration: true
# Override dashboard default settings
dashboard_token_ttl: 900
dashboard_skip_login: false
# Policy Controllers
# policy_controller_extra_tolerations: [{effect: NoSchedule, operator: "Exists"}]

12
roles/kubernetes-apps/ansible/tasks/main.yml
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@@ -109,15 +109,3 @@
- netchecker-server-clusterrolebinding.yml.j2
- netchecker-server-deployment.yml.j2
- netchecker-server-svc.yml.j2
- name: Kubernetes Apps | Dashboard
command:
cmd: "{{ kubectl_apply_stdin }}"
stdin: "{{ lookup('template', 'dashboard.yml.j2') }}"
delegate_to: "{{ groups['kube_control_plane'][0] }}"
run_once: true
vars:
k8s_namespace: "{{ dashboard_namespace }}"
when: dashboard_enabled
tags:
- dashboard

323
roles/kubernetes-apps/ansible/templates/dashboard.yml.j2
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@@ -1,323 +0,0 @@
# Copyright 2017 The Kubernetes Authors.
#
# 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.
# Configuration to deploy release version of the Dashboard UI compatible with
# Kubernetes 1.8.
#
# Example usage: kubectl create -f <this_file>
{% if k8s_namespace != 'kube-system' %}
---
apiVersion: v1
kind: Namespace
metadata:
name: {{ k8s_namespace }}
labels:
name: {{ k8s_namespace }}
{% endif %}
---
# ------------------- Dashboard Secrets ------------------- #
apiVersion: v1
kind: Secret
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard-certs
type: Opaque
---
apiVersion: v1
kind: Secret
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard-csrf
type: Opaque
data:
csrf: ""
---
apiVersion: v1
kind: Secret
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard-key-holder
type: Opaque
---
# ------------------- Dashboard ConfigMap ------------------- #
kind: ConfigMap
apiVersion: v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard-settings
---
# ------------------- Dashboard Service Account ------------------- #
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
---
# ------------------- Dashboard Role & Role Binding ------------------- #
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
rules:
# Allow Dashboard to get, update and delete Dashboard exclusive secrets.
- apiGroups: [""]
resources: ["secrets"]
resourceNames: ["kubernetes-dashboard-key-holder", "kubernetes-dashboard-certs", "kubernetes-dashboard-csrf"]
verbs: ["get", "update", "delete"]
# Allow Dashboard to get and update 'kubernetes-dashboard-settings' config map.
- apiGroups: [""]
resources: ["configmaps"]
resourceNames: ["kubernetes-dashboard-settings"]
verbs: ["get", "update"]
# Allow Dashboard to get metrics.
- apiGroups: [""]
resources: ["services"]
resourceNames: ["heapster", "dashboard-metrics-scraper"]
verbs: ["proxy"]
- apiGroups: [""]
resources: ["services/proxy"]
resourceNames: ["heapster", "http:heapster:", "https:heapster:", "dashboard-metrics-scraper", "http:dashboard-metrics-scraper"]
verbs: ["get"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: kubernetes-dashboard
subjects:
- kind: ServiceAccount
name: kubernetes-dashboard
namespace: {{ k8s_namespace }}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: kubernetes-dashboard
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: kubernetes-dashboard
subjects:
- kind: ServiceAccount
name: kubernetes-dashboard
namespace: {{ k8s_namespace }}
---
# ------------------- Dashboard Deployment ------------------- #
kind: Deployment
apiVersion: apps/v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
spec:
replicas: {{ dashboard_replicas }}
revisionHistoryLimit: 10
selector:
matchLabels:
k8s-app: kubernetes-dashboard
template:
metadata:
labels:
k8s-app: kubernetes-dashboard
spec:
securityContext:
seccompProfile:
type: RuntimeDefault
priorityClassName: system-cluster-critical
containers:
- name: kubernetes-dashboard
image: {{ dashboard_image_repo }}:{{ dashboard_image_tag }}
imagePullPolicy: {{ k8s_image_pull_policy }}
resources:
limits:
cpu: {{ dashboard_cpu_limit }}
memory: {{ dashboard_memory_limit }}
requests:
cpu: {{ dashboard_cpu_requests }}
memory: {{ dashboard_memory_requests }}
ports:
- containerPort: 8443
protocol: TCP
args:
- --namespace={{ k8s_namespace }}
{% if dashboard_use_custom_certs %}
- --tls-key-file={{ dashboard_tls_key_file }}
- --tls-cert-file={{ dashboard_tls_cert_file }}
{% else %}
- --auto-generate-certificates
{% endif %}
{% if dashboard_skip_login %}
- --enable-skip-login
{% endif %}
- --authentication-mode=token
# Uncomment the following line to manually specify Kubernetes API server Host
# If not specified, Dashboard will attempt to auto discover the API server and connect
# to it. Uncomment only if the default does not work.
# - --apiserver-host=http://my-address:port
- --token-ttl={{ dashboard_token_ttl }}
volumeMounts:
- name: kubernetes-dashboard-certs
mountPath: /certs
# Create on-disk volume to store exec logs
- mountPath: /tmp
name: tmp-volume
livenessProbe:
httpGet:
scheme: HTTPS
path: /
port: 8443
initialDelaySeconds: 30
timeoutSeconds: 30
securityContext:
allowPrivilegeEscalation: false
readOnlyRootFilesystem: true
runAsUser: 1001
runAsGroup: 2001
volumes:
- name: kubernetes-dashboard-certs
secret:
secretName: {{ dashboard_certs_secret_name }}
- name: tmp-volume
emptyDir: {}
serviceAccountName: kubernetes-dashboard
{% if dashboard_master_toleration %}
tolerations:
- key: node-role.kubernetes.io/control-plane
effect: NoSchedule
{% endif %}
---
# ------------------- Dashboard Service ------------------- #
kind: Service
apiVersion: v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
spec:
ports:
- port: 443
targetPort: 8443
selector:
k8s-app: kubernetes-dashboard
---
# ------------------- Metrics Scraper Service Account ------------------- #
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
rules:
# Allow Metrics Scraper to get metrics from the Metrics server
- apiGroups: ["metrics.k8s.io"]
resources: ["pods", "nodes"]
verbs: ["get", "list", "watch"]
---
# ------------------- Metrics Scraper Service ------------------- #
kind: Service
apiVersion: v1
metadata:
labels:
k8s-app: kubernetes-metrics-scraper
name: dashboard-metrics-scraper
spec:
ports:
- port: 8000
targetPort: 8000
selector:
k8s-app: kubernetes-metrics-scraper
---
# ------------------- Metrics Scraper Deployment ------------------- #
kind: Deployment
apiVersion: apps/v1
metadata:
labels:
k8s-app: kubernetes-metrics-scraper
name: kubernetes-metrics-scraper
spec:
replicas: 1
revisionHistoryLimit: 10
selector:
matchLabels:
k8s-app: kubernetes-metrics-scraper
template:
metadata:
labels:
k8s-app: kubernetes-metrics-scraper
spec:
securityContext:
seccompProfile:
type: RuntimeDefault
priorityClassName: system-cluster-critical
containers:
- name: kubernetes-metrics-scraper
image: {{ dashboard_metrics_scraper_repo }}:{{ dashboard_metrics_scraper_tag }}
ports:
- containerPort: 8000
protocol: TCP
livenessProbe:
httpGet:
scheme: HTTP
path: /
port: 8000
initialDelaySeconds: 30
timeoutSeconds: 30
securityContext:
allowPrivilegeEscalation: false
readOnlyRootFilesystem: true
runAsUser: 1001
runAsGroup: 2001
volumeMounts:
- mountPath: /tmp
name: tmp-volume
serviceAccountName: kubernetes-dashboard
volumes:
- name: tmp-volume
emptyDir: {}
{% if dashboard_master_toleration %}
tolerations:
- key: node-role.kubernetes.io/control-plane
effect: NoSchedule
{% endif %}

23
roles/kubespray_defaults/defaults/main/download.yml
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@@ -376,11 +376,6 @@ gcp_pd_csi_attacher_image_tag: "v2.1.1-gke.0"
gcp_pd_csi_resizer_image_tag: "v0.4.0-gke.0"
gcp_pd_csi_registrar_image_tag: "v1.2.0-gke.0"
dashboard_image_repo: "{{ docker_image_repo }}/kubernetesui/dashboard"
dashboard_image_tag: "v2.7.0"
dashboard_metrics_scraper_repo: "{{ docker_image_repo }}/kubernetesui/metrics-scraper"
dashboard_metrics_scraper_tag: "v1.0.8"
metallb_speaker_image_repo: "{{ quay_image_repo }}/metallb/speaker"
metallb_controller_image_repo: "{{ quay_image_repo }}/metallb/controller"
metallb_version: 0.13.9
@@ -1074,24 +1069,6 @@ downloads:
groups:
- kube_node
dashboard:
enabled: "{{ dashboard_enabled }}"
container: true
repo: "{{ dashboard_image_repo }}"
tag: "{{ dashboard_image_tag }}"
checksum: "{{ dashboard_digest_checksum | default(None) }}"
groups:
- kube_control_plane
dashboard_metrics_scrapper:
enabled: "{{ dashboard_enabled }}"
container: true
repo: "{{ dashboard_metrics_scraper_repo }}"
tag: "{{ dashboard_metrics_scraper_tag }}"
checksum: "{{ dashboard_digest_checksum | default(None) }}"
groups:
- kube_control_plane
metallb_speaker:
enabled: "{{ metallb_speaker_enabled }}"
container: true

4
roles/kubespray_defaults/defaults/main/main.yml
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@@ -436,10 +436,6 @@ credentials_dir: "{{ inventory_dir }}/credentials"
# K8s image pull policy (imagePullPolicy)
k8s_image_pull_policy: IfNotPresent
# Kubernetes dashboard
# RBAC required. see docs/getting-started.md for access details.
dashboard_enabled: false
# Addons which can be enabled
helm_enabled: false
registry_enabled: false

7
roles/validate_inventory/tasks/main.yml
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@@ -76,13 +76,6 @@
- kube_network_plugin not in ['calico', 'none']
- ipv4_stack | bool
- name: Stop if RBAC is not enabled when dashboard is enabled
assert:
that: rbac_enabled
when:
- dashboard_enabled
- not ignore_assert_errors
- name: Check cloud_provider value
assert:
that: cloud_provider == 'external'

2
tests/files/almalinux9-calico.yml
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@@ -5,8 +5,6 @@ vm_memory: 3072
# Kubespray settings
metrics_server_enabled: true
dashboard_namespace: "kube-dashboard"
dashboard_enabled: true
loadbalancer_apiserver_type: haproxy
local_path_provisioner_enabled: true

2
tests/files/flatcar4081-calico.yml
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@@ -6,6 +6,4 @@ vm_memory: 3072
# Kubespray settings
metrics_server_enabled: true
dashboard_namespace: "kube-dashboard"
dashboard_enabled: true
loadbalancer_apiserver_type: haproxy

2
tests/files/rockylinux10-calico.yml
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@@ -5,6 +5,4 @@ vm_memory: 3072
# Kubespray settings
metrics_server_enabled: true
dashboard_namespace: "kube-dashboard"
dashboard_enabled: true
loadbalancer_apiserver_type: haproxy

2
tests/files/rockylinux9-calico.yml
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@@ -5,6 +5,4 @@ vm_memory: 3072
# Kubespray settings
metrics_server_enabled: true
dashboard_namespace: "kube-dashboard"
dashboard_enabled: true
loadbalancer_apiserver_type: haproxy