c12s-kubespray/roles/kubernetes-apps/ansible/templates/dashboard.yml.j2

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# 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 dashboard_namespace != "kube-system" %}
---
apiVersion: v1
kind: Namespace
metadata:
name: {{ dashboard_namespace }}
labels:
name: {{ dashboard_namespace }}
{% endif %}
---
# ------------------- Dashboard Secrets ------------------- #
apiVersion: v1
kind: Secret
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard-certs
namespace: {{ dashboard_namespace }}
type: Opaque
---
apiVersion: v1
kind: Secret
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard-csrf
namespace: {{ dashboard_namespace }}
type: Opaque
data:
csrf: ""
---
apiVersion: v1
kind: Secret
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard-key-holder
namespace: {{ dashboard_namespace }}
type: Opaque
---
# ------------------- Dashboard ConfigMap ------------------- #
kind: ConfigMap
apiVersion: v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard-settings
namespace: {{ dashboard_namespace }}
---
# ------------------- Dashboard Service Account ------------------- #
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
namespace: {{ dashboard_namespace }}
---
# ------------------- Dashboard Role & Role Binding ------------------- #
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
namespace: {{ dashboard_namespace }}
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
namespace: {{ dashboard_namespace }}
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: kubernetes-dashboard
subjects:
- kind: ServiceAccount
name: kubernetes-dashboard
namespace: {{ dashboard_namespace }}
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---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: kubernetes-dashboard
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roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: kubernetes-dashboard
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subjects:
- kind: ServiceAccount
name: kubernetes-dashboard
namespace: {{ dashboard_namespace }}
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---
# ------------------- Dashboard Deployment ------------------- #
kind: Deployment
apiVersion: apps/v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
namespace: {{ dashboard_namespace }}
spec:
replicas: {{ dashboard_replicas }}
revisionHistoryLimit: 10
selector:
matchLabels:
k8s-app: kubernetes-dashboard
template:
metadata:
labels:
k8s-app: kubernetes-dashboard
spec:
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={{ dashboard_namespace }}
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{% if dashboard_use_custom_certs %}
- --tls-key-file={{ dashboard_tls_key_file }}
- --tls-cert-file={{ dashboard_tls_cert_file }}
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{% else %}
- --auto-generate-certificates
{% endif %}
{% if dashboard_skip_login %}
- --enable-skip-login
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{% endif %}
- --authentication-mode=token{% if kube_basic_auth|default(false) %},basic{% endif %}
# 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
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/master
effect: NoSchedule
{% endif %}
---
# ------------------- Dashboard Service ------------------- #
kind: Service
apiVersion: v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
namespace: {{ dashboard_namespace }}
spec:
ports:
- port: 443
targetPort: 8443
selector:
k8s-app: kubernetes-dashboard
---
# ------------------- Metrics Scrapper 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 Scrapper Service ------------------- #
kind: Service
apiVersion: v1
metadata:
labels:
k8s-app: kubernetes-metrics-scraper
name: dashboard-metrics-scraper
namespace: {{ dashboard_namespace }}
spec:
ports:
- port: 8000
targetPort: 8000
selector:
k8s-app: kubernetes-metrics-scraper
---
# ------------------- Metrics Scrapper Deployment ------------------- #
kind: Deployment
apiVersion: apps/v1
metadata:
labels:
k8s-app: kubernetes-metrics-scraper
name: kubernetes-metrics-scraper
namespace: {{ dashboard_namespace }}
spec:
replicas: 1
revisionHistoryLimit: 10
selector:
matchLabels:
k8s-app: kubernetes-metrics-scraper
template:
metadata:
labels:
k8s-app: kubernetes-metrics-scraper
spec:
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
serviceAccountName: kubernetes-dashboard
{% if dashboard_master_toleration %}
tolerations:
- key: node-role.kubernetes.io/master
effect: NoSchedule
{% endif %}