feat: add Kubernetes dashboard commands and token retrieval to authenticator script

Signed-off-by: zhenyus <zhenyus@mathmast.com>
This commit is contained in:
zhenyus 2025-03-20 10:38:01 +08:00
parent 4f795e19d7
commit 39dfcd56cd
3 changed files with 409 additions and 1 deletions

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@ -2,7 +2,7 @@
set -eu
VERSION="0.0.1-20250115"
VERSION="0.0.2-20250320"
CLUSTER_API_LB_IP=${CLUSTER_API_LB_IP:-4.155.160.32}
CLUSTER_API_LB_PORT=${CLUSTER_API_LB_PORT:-6443}
@ -29,6 +29,8 @@ help() {
echo " reset-auth,-r,--reset-auth Reset kubectl authentication state for freeleaps cluster."
echo " clear,-c,--clear Clear authentication for freeleaps cluster."
echo " doctor,-d,--doctor Check if all the required tools are installed."
echo " dashboard,-db,--dashboard Open the Kubernetes dashboard, forward the port to localhost and listen on 8443."
echo " get-token,-gt,--get-token Get the token for the current user, usually to using Kubernetes Dashboard authentication."
echo " help,-h,--help Show this help message."
echo ""
echo "Environment Options:"
@ -170,6 +172,13 @@ gather_prerequisites() {
else
echo "[PREREQUISITES] kubelogin: ✓"
fi
if ! command -v jq > /dev/null; then
echo "[ERROR] jq is required to parse JSON output, please install it with your package manager."
exit 1
else
echo "[PREREQUISITES] jq: ✓"
fi
}
setup_kubelogin() {
@ -299,6 +308,46 @@ reset_auth() {
echo "[RESET] kubectl authentication state reset successfully."
}
exit_dashboard() {
echo "[RUN_DASHBOARD] Kubernetes dashboard stopped."
}
run_dashboard() {
gather_prerequisites
echo "[RUN_DASHBOARD] Ready to run Kubernetes dashboard..."
is_target_svc_exist=$(kubectl get svc -n freeleaps-infra-system | grep kubernetes-dashboard-kong-proxy)
if [ -z "$is_target_svc_exist" ]; then
echo "[ERROR] Kubernetes dashboard service not found in namespace: freeleaps-infra-system."
exit 1
fi
echo "[RUN_DASHBOARD] Kubernetes dashboard is running at: https://localhost:8443"
trap exit_dashboard INT HUP
kubectl port-forward svc/kubernetes-dashboard-kong-proxy -n freeleaps-infra-system 8443:443
}
get_token() {
gather_prerequisites
echo "[GET_TOKEN] Getting token for the current user..."
get_token_resp=$(
kubelogin get-token \
--oidc-issuer-url "${MICROSOFT_ENTRA_ID_ISSUER}" \
--oidc-client-id "${MICROSOFT_ENTRA_ID_CLIENT_ID}" \
--oidc-client-secret "${MICROSOFT_ENTRA_ID_CLIENT_SECRET}" \
--oidc-extra-scope "offline_access" \
--oidc-extra-scope "profile" \
--oidc-extra-scope "email"
)
token=$(echo "${get_token_resp}" | jq -r '.status.token')
expiration=$(echo "${get_token_resp}" | jq -r '.status.expirationTimestamp')
echo "[GET_TOKEN] Token: ${token}"
echo "[GET_TOKEN] Expiration Timestamp: ${expiration}"
}
main() {
if [ $# -lt 1 ]; then
echo "[ERROR] No sub-command provided."
@ -321,6 +370,12 @@ main() {
doctor|-d|--doctor)
gather_prerequisites
;;
dashboard|-db|--dashboard)
run_dashboard
;;
get-token|-gt|--get-token)
get_token
;;
help|-h|--help)
help
;;

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@ -0,0 +1,352 @@
# 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.
# General configuration shared across resources
app:
# Mode determines if chart should deploy a full Dashboard with all containers or just the API.
# - dashboard - deploys all the containers
# - api - deploys just the API
mode: 'dashboard'
image:
pullPolicy: IfNotPresent
pullSecrets: []
scheduling:
# Node labels for pod assignment
# Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/
nodeSelector: {}
security:
# Allow overriding csrfKey used by API/Auth containers.
# It has to be base64 encoded random 256 bytes string.
# If empty, it will be autogenerated.
csrfKey: ~
# SecurityContext to be added to pods
# To disable set the following configuration to null:
# securityContext: null
securityContext:
runAsNonRoot: true
seccompProfile:
type: RuntimeDefault
# ContainerSecurityContext to be added to containers
# To disable set the following configuration to null:
# containerSecurityContext: null
containerSecurityContext:
allowPrivilegeEscalation: false
readOnlyRootFilesystem: true
runAsUser: 1001
runAsGroup: 2001
capabilities:
drop: ["ALL"]
# Pod Disruption Budget configuration
# Ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
podDisruptionBudget:
enabled: false
minAvailable: 0
maxUnavailable: 0
networkPolicy:
enabled: false
ingressDenyAll: false
# Raw network policy spec that overrides predefined spec
# Example:
# spec:
# egress:
# - ports:
# - port: 123
spec: {}
# Common labels & annotations shared across all deployed resources
labels: {}
annotations: {}
# Common priority class used for all deployed resources
priorityClassName: null
settings:
## Global dashboard settings
global:
# # Cluster name that appears in the browser window title if it is set
clusterName: "Freeleaps Kubernetes Cluster"
# # Max number of items that can be displayed on each list page
# itemsPerPage: 10
# # Max number of labels that are displayed by default on most views.
# labelsLimit: 3
# # Number of seconds between every auto-refresh of logs
# logsAutoRefreshTimeInterval: 5
# # Number of seconds between every auto-refresh of every resource. Set 0 to disable
# resourceAutoRefreshTimeInterval: 10
# # Hide all access denied warnings in the notification panel
# disableAccessDeniedNotifications: false
# # Hide all namespaces option in namespace selection dropdown to avoid accidental selection in large clusters thus preventing OOM errors
# hideAllNamespaces: false
# # Namespace that should be selected by default after logging in.
defaultNamespace: freeleaps-infra-system
# # List of namespaces that should be presented to user without namespace list privileges.
# namespaceFallbackList:
# - default
## Pinned resources that will be displayed in dashboard's menu
pinnedResources:
- kind: customresourcedefinition
name: certificates.cert-manager.io
displayName: Certificates
namespaced: true
- kind: customresourcedefinition
name: clusterissuers.cert-manager.io
displayName: ClusterIssuers
namespaced: false
# - kind: customresourcedefinition
# # Fully qualified name of a CRD
# name: prometheus.monitoring.coreos.com
# # Display name
# displayName: Prometheus
# # Is this CRD namespaced?
# namespaced: true
ingress:
enabled: false
auth:
role: auth
image:
repository: docker.io/kubernetesui/dashboard-auth
tag: 1.2.4
scaling:
replicas: 1
revisionHistoryLimit: 10
service:
type: ClusterIP
extraSpec: ~
containers:
ports:
- name: auth
containerPort: 8000
protocol: TCP
args: []
env: []
volumeMounts:
- mountPath: /tmp
name: tmp-volume
# TODO: Validate configuration
resources:
requests:
cpu: 50m
memory: 200Mi
limits:
cpu: 250m
memory: 400Mi
automountServiceAccountToken: true
volumes:
# Create on-disk volume to store exec logs (required)
- name: tmp-volume
emptyDir: {}
nodeSelector: {}
# Labels & annotations for Auth related resources
labels: {}
annotations: {}
serviceLabels: {}
serviceAnnotations: {}
# API deployment configuration
api:
role: api
image:
repository: docker.io/kubernetesui/dashboard-api
tag: 1.11.1
scaling:
replicas: 1
revisionHistoryLimit: 10
service:
type: ClusterIP
extraSpec: ~
containers:
ports:
- name: api
containerPort: 8000
protocol: TCP
# Additional container arguments
# Full list of arguments: https://github.com/kubernetes/dashboard/blob/master/docs/common/arguments.md
# args:
# - --system-banner="Welcome to the Kubernetes Dashboard"
args: []
# Additional container environment variables
# env:
# - name: SOME_VAR
# value: 'some value'
env: []
# Additional volume mounts
# - mountPath: /kubeconfig
# name: dashboard-kubeconfig
# readOnly: true
volumeMounts:
# Create volume mount to store exec logs (required)
- mountPath: /tmp
name: tmp-volume
# TODO: Validate configuration
resources:
requests:
cpu: 50m
memory: 128Mi
limits:
cpu: 250m
memory: 400Mi
automountServiceAccountToken: true
# Additional volumes
# - name: dashboard-kubeconfig
# secret:
# defaultMode: 420
# secretName: dashboard-kubeconfig
volumes:
# Create on-disk volume to store exec logs (required)
- name: tmp-volume
emptyDir: {}
nodeSelector: {}
# Labels & annotations for API related resources
labels: {}
annotations: {}
serviceLabels: {}
serviceAnnotations: {}
# WEB UI deployment configuration
web:
role: web
image:
repository: docker.io/kubernetesui/dashboard-web
tag: 1.6.2
scaling:
replicas: 1
revisionHistoryLimit: 10
service:
type: ClusterIP
extraSpec: ~
containers:
ports:
- name: web
containerPort: 8000
protocol: TCP
# Additional container arguments
# Full list of arguments: https://github.com/kubernetes/dashboard/blob/master/docs/common/arguments.md
# args:
# - --system-banner="Welcome to the Kubernetes Dashboard"
args: []
# Additional container environment variables
# env:
# - name: SOME_VAR
# value: 'some value'
env: []
# Additional volume mounts
# - mountPath: /kubeconfig
# name: dashboard-kubeconfig
# readOnly: true
volumeMounts:
# Create volume mount to store logs (required)
- mountPath: /tmp
name: tmp-volume
# TODO: Validate configuration
resources:
requests:
cpu: 50m
memory: 128Mi
limits:
cpu: 250m
memory: 400Mi
automountServiceAccountToken: true
# Additional volumes
# - name: dashboard-kubeconfig
# secret:
# defaultMode: 420
# secretName: dashboard-kubeconfig
volumes:
# Create on-disk volume to store exec logs (required)
- name: tmp-volume
emptyDir: {}
nodeSelector: {}
# Labels & annotations for WEB UI related resources
labels: {}
annotations: {}
serviceLabels: {}
serviceAnnotations: {}
### Metrics Scraper
### Container to scrape, store, and retrieve a window of time from the Metrics Server.
### refs: https://github.com/kubernetes/dashboard/tree/master/modules/metrics-scraper
metricsScraper:
enabled: false
## Optional Metrics Server sub-chart configuration
## Enable this if you don't already have metrics-server enabled on your cluster and
## want to use it with dashboard metrics-scraper
## refs:
## - https://github.com/kubernetes-sigs/metrics-server
## - https://github.com/kubernetes-sigs/metrics-server/tree/master/charts/metrics-server
metrics-server:
enabled: false
## Required Kong sub-chart with DBless configuration to act as a gateway
## for our all containers.
kong:
enabled: true
## Configuration reference: https://docs.konghq.com/gateway/3.6.x/reference/configuration
env:
dns_order: LAST,A,CNAME,AAAA,SRV
plugins: 'off'
nginx_worker_processes: 1
ingressController:
enabled: false
manager:
enabled: false
dblessConfig:
configMap: kong-dbless-config
proxy:
type: ClusterIP
http:
enabled: false
## Optional Cert Manager sub-chart configuration
## Enable this if you don't already have cert-manager enabled on your cluster.
cert-manager:
enabled: false
installCRDs: false
## Optional Nginx Ingress sub-chart configuration
## Enable this if you don't already have nginx-ingress enabled on your cluster.
nginx:
enabled: false
## Extra configurations:
## - manifests
## - predefined roles
## - prometheus
## - etc...
extras:
# Extra Kubernetes manifests to be deployed
# manifests:
# - apiVersion: v1
# kind: ConfigMap
# metadata:
# name: additional-configmap
# data:
# mykey: myvalue
manifests: []
serviceMonitor:
# Whether to create a Prometheus Operator service monitor.
enabled: false
# Here labels can be added to the serviceMonitor
labels: {}
# Here annotations can be added to the serviceMonitor
annotations: {}
# metrics.serviceMonitor.metricRelabelings Specify Metric Relabelings to add to the scrape endpoint
# ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#relabelconfig
metricRelabelings: []
# metrics.serviceMonitor.relabelings [array] Prometheus relabeling rules
relabelings: []
# ServiceMonitor connection scheme. Defaults to HTTPS.
scheme: https
# ServiceMonitor connection tlsConfig. Defaults to {insecureSkipVerify:true}.
tlsConfig:
insecureSkipVerify: true

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@ -9,3 +9,4 @@ azure-blob-csi-driver,https://raw.githubusercontent.com/kubernetes-sigs/blob-csi
godaddy-webhook,https://snowdrop.github.io/godaddy-webhook,force-update
azure-disk-csi-driver,https://raw.githubusercontent.com/kubernetes-sigs/azuredisk-csi-driver/master/charts,force-update
descheduler,https://kubernetes-sigs.github.io/descheduler/,force-update
kubernetes-dashboard,https://kubernetes.github.io/dashboard/,force-update