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authorPetr OspalĂ˝ <p.ospaly@partner.samsung.com>2019-04-20 05:25:23 +0200
committerMichal Ptacek <m.ptacek@partner.samsung.com>2019-05-20 10:36:30 +0000
commit67acfb594844515aa07f5d292f334a93ab92f0a2 (patch)
treef88c3dd4d8240b8800b4e97cf103be6834b1f015 /ansible
parentbf11d96ff6d9908bf04335a66d0e092a736d4561 (diff)
Add kubernetes dashboard
Either run kubectl proxy, but you must setup routes or kubectl on some node (only infra has kubectl by default). Another option is connecting onto the node where the dashboard is exposed via NodePort. Instructions are here: https://github.com/kubernetes/dashboard/wiki/Accessing-dashboard (1.7.X and above) Change-Id: I5a28f458c0ae949278b1e6eaf6eb063d09f93fc0 Issue-ID: OOM-1778 Signed-off-by: Petr OspalĂ˝ <p.ospaly@partner.samsung.com> Signed-off-by: Michal Zegan <m.zegan@samsung.com>
Diffstat (limited to 'ansible')
-rwxr-xr-xansible/group_vars/infrastructure.yml1
-rw-r--r--ansible/roles/rke/defaults/main.yml2
-rw-r--r--ansible/roles/rke/tasks/rke_config.yml10
-rw-r--r--ansible/roles/rke/templates/cluster.yml.j24
-rw-r--r--ansible/roles/rke/templates/k8s-dashboard-user.yml.j219
-rw-r--r--ansible/roles/rke/templates/kubernetes-dashboard.yaml.j2178
6 files changed, 213 insertions, 1 deletions
diff --git a/ansible/group_vars/infrastructure.yml b/ansible/group_vars/infrastructure.yml
index d831cdba..a812d6b0 100755
--- a/ansible/group_vars/infrastructure.yml
+++ b/ansible/group_vars/infrastructure.yml
@@ -17,6 +17,7 @@ simulated_hosts:
- docker.elastic.co
- docker.io
- gcr.io
+ - k8s.gcr.io
- nexus.{{ ansible_nodename }}
- nexus3.onap.org
- registry-1.docker.io
diff --git a/ansible/roles/rke/defaults/main.yml b/ansible/roles/rke/defaults/main.yml
index cbf03b74..88216857 100644
--- a/ansible/roles/rke/defaults/main.yml
+++ b/ansible/roles/rke/defaults/main.yml
@@ -4,6 +4,8 @@ rke_username: rke
rke_bin_dir: /usr/local/bin
kube_config_dir: "{{ ansible_env.HOME }}/.kube"
cluster_config_dir: "{{ app_data_path }}/cluster"
+# Whether dashboard is exposed.
+rke_dashboard_exposed: true
rke:
# rke (rancher) images
etcd: rancher/coreos-etcd:v3.2.24-rancher1
diff --git a/ansible/roles/rke/tasks/rke_config.yml b/ansible/roles/rke/tasks/rke_config.yml
index 49503192..4112e107 100644
--- a/ansible/roles/rke/tasks/rke_config.yml
+++ b/ansible/roles/rke/tasks/rke_config.yml
@@ -38,6 +38,16 @@
src: cluster.yml.j2
dest: "{{ cluster_config_dir }}/cluster.yml"
+- name: Prepare rke addon manifest (dashboard)
+ template:
+ src: kubernetes-dashboard.yaml.j2
+ dest: "{{ cluster_config_dir }}/kubernetes-dashboard.yml"
+
+- name: Prepare rke addon manifest (dashboard user)
+ template:
+ src: k8s-dashboard-user.yml.j2
+ dest: "{{ cluster_config_dir }}/k8s-dashboard-user.yml"
+
- name: Install rke cli tool
copy:
src: "{{ app_data_path }}/downloads/{{ rke_binary }}"
diff --git a/ansible/roles/rke/templates/cluster.yml.j2 b/ansible/roles/rke/templates/cluster.yml.j2
index d55a486c..64508e6f 100644
--- a/ansible/roles/rke/templates/cluster.yml.j2
+++ b/ansible/roles/rke/templates/cluster.yml.j2
@@ -80,7 +80,9 @@ authentication:
sans: []
webhook: null
addons: ""
-addons_include: []
+addons_include:
+- "{{ cluster_config_dir }}/kubernetes-dashboard.yml"
+- "{{ cluster_config_dir }}/k8s-dashboard-user.yml"
system_images:
etcd: "{{ rke.etcd }}"
alpine: "{{ rke.alpine }}"
diff --git a/ansible/roles/rke/templates/k8s-dashboard-user.yml.j2 b/ansible/roles/rke/templates/k8s-dashboard-user.yml.j2
new file mode 100644
index 00000000..9031553c
--- /dev/null
+++ b/ansible/roles/rke/templates/k8s-dashboard-user.yml.j2
@@ -0,0 +1,19 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+ name: admin-user
+ namespace: kube-system
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+ name: admin-user
+roleRef:
+ apiGroup: rbac.authorization.k8s.io
+ kind: ClusterRole
+ name: cluster-admin
+subjects:
+- kind: ServiceAccount
+ name: admin-user
+ namespace: kube-system \ No newline at end of file
diff --git a/ansible/roles/rke/templates/kubernetes-dashboard.yaml.j2 b/ansible/roles/rke/templates/kubernetes-dashboard.yaml.j2
new file mode 100644
index 00000000..4458628a
--- /dev/null
+++ b/ansible/roles/rke/templates/kubernetes-dashboard.yaml.j2
@@ -0,0 +1,178 @@
+# 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.
+
+# ------------------- Dashboard Secrets ------------------- #
+
+apiVersion: v1
+kind: Secret
+metadata:
+ labels:
+ k8s-app: kubernetes-dashboard
+ name: kubernetes-dashboard-certs
+ namespace: kube-system
+type: Opaque
+
+---
+
+apiVersion: v1
+kind: Secret
+metadata:
+ labels:
+ k8s-app: kubernetes-dashboard
+ name: kubernetes-dashboard-csrf
+ namespace: kube-system
+type: Opaque
+data:
+ csrf: ""
+
+---
+# ------------------- Dashboard Service Account ------------------- #
+
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+ labels:
+ k8s-app: kubernetes-dashboard
+ name: kubernetes-dashboard
+ namespace: kube-system
+
+---
+# ------------------- Dashboard Role & Role Binding ------------------- #
+
+kind: Role
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+ name: kubernetes-dashboard-minimal
+ namespace: kube-system
+rules:
+ # Allow Dashboard to create 'kubernetes-dashboard-key-holder' secret.
+- apiGroups: [""]
+ resources: ["secrets"]
+ verbs: ["create"]
+ # Allow Dashboard to create 'kubernetes-dashboard-settings' config map.
+- apiGroups: [""]
+ resources: ["configmaps"]
+ verbs: ["create"]
+ # 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 from heapster.
+- apiGroups: [""]
+ resources: ["services"]
+ resourceNames: ["heapster"]
+ verbs: ["proxy"]
+- apiGroups: [""]
+ resources: ["services/proxy"]
+ resourceNames: ["heapster", "http:heapster:", "https:heapster:"]
+ verbs: ["get"]
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+ name: kubernetes-dashboard-minimal
+ namespace: kube-system
+roleRef:
+ apiGroup: rbac.authorization.k8s.io
+ kind: Role
+ name: kubernetes-dashboard-minimal
+subjects:
+- kind: ServiceAccount
+ name: kubernetes-dashboard
+ namespace: kube-system
+
+---
+# ------------------- Dashboard Deployment ------------------- #
+
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+ labels:
+ k8s-app: kubernetes-dashboard
+ name: kubernetes-dashboard
+ namespace: kube-system
+spec:
+ replicas: 1
+ revisionHistoryLimit: 10
+ selector:
+ matchLabels:
+ k8s-app: kubernetes-dashboard
+ template:
+ metadata:
+ labels:
+ k8s-app: kubernetes-dashboard
+ spec:
+ containers:
+ - name: kubernetes-dashboard
+ image: k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.1
+ ports:
+ - containerPort: 8443
+ protocol: TCP
+ args:
+ - --auto-generate-certificates
+ # 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
+ 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: kubernetes-dashboard-certs
+ - name: tmp-volume
+ emptyDir: {}
+ serviceAccountName: kubernetes-dashboard
+ # Comment the following tolerations if Dashboard must not be deployed on master
+ tolerations:
+ - key: node-role.kubernetes.io/master
+ effect: NoSchedule
+
+---
+# ------------------- Dashboard Service ------------------- #
+
+kind: Service
+apiVersion: v1
+metadata:
+ labels:
+ k8s-app: kubernetes-dashboard
+ name: kubernetes-dashboard
+ namespace: kube-system
+spec:
+ ports:
+ - port: 443
+ targetPort: 8443
+ selector:
+ k8s-app: kubernetes-dashboard
+{% if rke_dashboard_exposed %}
+ type: NodePort
+{% endif %}