basic rbac support

This commit is contained in:
jwfang 2017-06-27 12:27:25 +08:00
parent b495d36fa5
commit 092bf07cbf
27 changed files with 374 additions and 59 deletions

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@ -67,6 +67,10 @@ following default cluster paramters:
OpenStack (default is unset) OpenStack (default is unset)
* *kube_hostpath_dynamic_provisioner* - Required for use of PetSets type in * *kube_hostpath_dynamic_provisioner* - Required for use of PetSets type in
Kubernetes Kubernetes
* *authorization_modes* - A list of [authorization mode](
https://kubernetes.io/docs/admin/authorization/#using-flags-for-your-authorization-module)
that the cluster should be configured for. Defaults to `['AlwaysAllow']`.
Note: Only `AlwaysAllow`, `AlwaysDeny` and `RBAC` are tested.
Note, if cloud providers have any use of the ``10.233.0.0/16``, like instances' Note, if cloud providers have any use of the ``10.233.0.0/16``, like instances'
private addresses, make sure to pick another values for ``kube_service_addresses`` private addresses, make sure to pick another values for ``kube_service_addresses``

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@ -41,3 +41,7 @@ netchecker_server_memory_requests: 64M
etcd_cert_dir: "/etc/ssl/etcd/ssl" etcd_cert_dir: "/etc/ssl/etcd/ssl"
canal_cert_dir: "/etc/canal/certs" canal_cert_dir: "/etc/canal/certs"
kubedns_rbac_resources:
- clusterrole
- clusterrolebinding
- sa

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@ -13,11 +13,34 @@
src: "{{item.file}}" src: "{{item.file}}"
dest: "{{kube_config_dir}}/{{item.file}}" dest: "{{kube_config_dir}}/{{item.file}}"
with_items: with_items:
- {name: kube-dns, file: kubedns-deploy.yml, type: deployment} - {name: kubedns, file: kubedns-sa.yml, type: sa}
- {name: kube-dns, file: kubedns-svc.yml, type: svc} - {name: kubedns, file: kubedns-deploy.yml, type: deployment}
- {name: kubedns, file: kubedns-svc.yml, type: svc}
- {name: kubedns-autoscaler, file: kubedns-autoscaler-sa.yml, type: sa}
- {name: kubedns-autoscaler, file: kubedns-autoscaler-clusterrole.yml, type: clusterrole}
- {name: kubedns-autoscaler, file: kubedns-autoscaler-clusterrolebinding.yml, type: clusterrolebinding}
- {name: kubedns-autoscaler, file: kubedns-autoscaler.yml, type: deployment} - {name: kubedns-autoscaler, file: kubedns-autoscaler.yml, type: deployment}
register: manifests register: manifests
when: dns_mode != 'none' and inventory_hostname == groups['kube-master'][0] when:
- dns_mode != 'none' and inventory_hostname == groups['kube-master'][0]
- rbac_enabled or item.type not in kubedns_rbac_resources
tags: dnsmasq
# see https://github.com/kubernetes/kubernetes/issues/45084
# TODO: this is only needed for "old" kube-dns
- name: Kubernetes Apps | Patch system:kube-dns ClusterRole
command: >
{{bin_dir}}/kubectl patch clusterrole system:kube-dns
--patch='{
"rules": [
{
"apiGroups" : [""],
"resources" : ["endpoints", "services"],
"verbs": ["list", "watch", "get"]
}
]
}'
when: dns_mode != 'none' and inventory_hostname == groups['kube-master'][0] and rbac_enabled
tags: dnsmasq tags: dnsmasq
- name: Kubernetes Apps | Start Resources - name: Kubernetes Apps | Start Resources
@ -29,6 +52,7 @@
filename: "{{kube_config_dir}}/{{item.item.file}}" filename: "{{kube_config_dir}}/{{item.item.file}}"
state: "{{item.changed | ternary('latest','present') }}" state: "{{item.changed | ternary('latest','present') }}"
with_items: "{{ manifests.results }}" with_items: "{{ manifests.results }}"
failed_when: manifests|failed and "Error from server (AlreadyExists)" not in manifests.msg
when: dns_mode != 'none' and inventory_hostname == groups['kube-master'][0] when: dns_mode != 'none' and inventory_hostname == groups['kube-master'][0]
tags: dnsmasq tags: dnsmasq

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@ -0,0 +1,32 @@
# Copyright 2016 The Kubernetes Authors. All rights reserved
#
# 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.
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
name: cluster-proportional-autoscaler
namespace: {{ system_namespace }}
rules:
- apiGroups: [""]
resources: ["nodes"]
verbs: ["list"]
- apiGroups: [""]
resources: ["replicationcontrollers/scale"]
verbs: ["get", "update"]
- apiGroups: ["extensions"]
resources: ["deployments/scale", "replicasets/scale"]
verbs: ["get", "update"]
- apiGroups: [""]
resources: ["configmaps"]
verbs: ["get", "create"]

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@ -0,0 +1,27 @@
# Copyright 2016 The Kubernetes Authors. All rights reserved
#
# 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.
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
name: cluster-proportional-autoscaler
namespace: {{ system_namespace }}
subjects:
- kind: ServiceAccount
name: cluster-proportional-autoscaler
namespace: {{ system_namespace }}
roleRef:
kind: ClusterRole
name: cluster-proportional-autoscaler
apiGroup: rbac.authorization.k8s.io

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@ -0,0 +1,19 @@
# Copyright 2016 The Kubernetes Authors. All rights reserved
#
# 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.
kind: ServiceAccount
apiVersion: v1
metadata:
name: cluster-proportional-autoscaler
namespace: {{ system_namespace }}

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@ -16,7 +16,7 @@ apiVersion: extensions/v1beta1
kind: Deployment kind: Deployment
metadata: metadata:
name: kubedns-autoscaler name: kubedns-autoscaler
namespace: kube-system namespace: {{ system_namespace }}
labels: labels:
k8s-app: kubedns-autoscaler k8s-app: kubedns-autoscaler
kubernetes.io/cluster-service: "true" kubernetes.io/cluster-service: "true"
@ -39,11 +39,13 @@ spec:
memory: "10Mi" memory: "10Mi"
command: command:
- /cluster-proportional-autoscaler - /cluster-proportional-autoscaler
- --namespace=kube-system - --namespace={{ system_namespace }}
- --configmap=kubedns-autoscaler - --configmap=kubedns-autoscaler
# Should keep target in sync with cluster/addons/dns/kubedns-controller.yaml.base # Should keep target in sync with cluster/addons/dns/kubedns-controller.yaml.base
- --target=Deployment/kube-dns - --target=Deployment/kube-dns
- --default-params={"linear":{"nodesPerReplica":{{ kubedns_nodes_per_replica }},"min":{{ kubedns_min_replicas }}}} - --default-params={"linear":{"nodesPerReplica":{{ kubedns_nodes_per_replica }},"min":{{ kubedns_min_replicas }}}}
- --logtostderr=true - --logtostderr=true
- --v=2 - --v=2
{% if rbac_enabled %}
serviceAccountName: cluster-proportional-autoscaler
{% endif %}

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@ -151,4 +151,6 @@ spec:
memory: 20Mi memory: 20Mi
cpu: 10m cpu: 10m
dnsPolicy: Default # Don't use cluster DNS. dnsPolicy: Default # Don't use cluster DNS.
{% if rbac_enabled %}
serviceAccountName: kube-dns
{% endif %}

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@ -0,0 +1,7 @@
apiVersion: v1
kind: ServiceAccount
metadata:
name: kube-dns
namespace: {{ system_namespace }}
labels:
kubernetes.io/cluster-service: "true"

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@ -10,10 +10,36 @@
mode: 0755 mode: 0755
register: helm_container register: helm_container
- name: Helm | Lay Down Helm Manifests (RBAC)
template:
src: "{{item.file}}"
dest: "{{kube_config_dir}}/{{item.file}}"
with_items:
- {name: tiller, file: tiller-sa.yml, type: sa}
- {name: tiller, file: tiller-clusterrolebinding.yml, type: clusterrolebinding}
register: manifests
when: dns_mode != 'none' and inventory_hostname == groups['kube-master'][0] and rbac_enabled
- name: Helm | Apply Helm Manifests (RBAC)
kube:
name: "{{item.item.name}}"
namespace: "{{ system_namespace }}"
kubectl: "{{bin_dir}}/kubectl"
resource: "{{item.item.type}}"
filename: "{{kube_config_dir}}/{{item.item.file}}"
state: "{{item.changed | ternary('latest','present') }}"
with_items: "{{ manifests.results }}"
failed_when: manifests|failed and "Error from server (AlreadyExists)" not in manifests.msg
when: dns_mode != 'none' and inventory_hostname == groups['kube-master'][0] and rbac_enabled
- name: Helm | Install/upgrade helm - name: Helm | Install/upgrade helm
command: "{{ bin_dir }}/helm init --upgrade --tiller-image={{ tiller_image_repo }}:{{ tiller_image_tag }}" command: "{{ bin_dir }}/helm init --upgrade --tiller-image={{ tiller_image_repo }}:{{ tiller_image_tag }}"
when: helm_container.changed when: helm_container.changed
- name: Helm | Patch tiller deployment for RBAC
command: kubectl patch deployment tiller-deploy -p '{"spec":{"template":{"spec":{"serviceAccount":"tiller"}}}}' -n {{ system_namespace }}
when: rbac_enabled
- name: Helm | Set up bash completion - name: Helm | Set up bash completion
shell: "umask 022 && {{ bin_dir }}/helm completion bash >/etc/bash_completion.d/helm.sh" shell: "umask 022 && {{ bin_dir }}/helm completion bash >/etc/bash_completion.d/helm.sh"
when: ( helm_container.changed and not ansible_os_family in ["CoreOS", "Container Linux by CoreOS"] ) when: ( helm_container.changed and not ansible_os_family in ["CoreOS", "Container Linux by CoreOS"] )

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@ -0,0 +1,13 @@
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
name: tiller
namespace: {{ system_namespace }}
subjects:
- kind: ServiceAccount
name: tiller
namespace: {{ system_namespace }}
roleRef:
kind: ClusterRole
name: cluster-admin
apiGroup: rbac.authorization.k8s.io

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@ -0,0 +1,7 @@
apiVersion: v1
kind: ServiceAccount
metadata:
name: tiller
namespace: {{ system_namespace }}
labels:
kubernetes.io/cluster-service: "true"

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@ -60,12 +60,11 @@
when: kubesystem|failed and inventory_hostname == groups['kube-master'][0] when: kubesystem|failed and inventory_hostname == groups['kube-master'][0]
tags: apps tags: apps
- name: Write kube-controller-manager manifest - name: Write kube-scheduler kubeconfig
template: template:
src: manifests/kube-controller-manager.manifest.j2 src: kube-scheduler-kubeconfig.yaml.j2
dest: "{{ kube_manifest_dir }}/kube-controller-manager.manifest" dest: "{{ kube_config_dir }}/kube-scheduler-kubeconfig.yaml"
notify: Master | wait for kube-controller-manager tags: kube-scheduler
tags: kube-controller-manager
- name: Write kube-scheduler manifest - name: Write kube-scheduler manifest
template: template:
@ -74,6 +73,19 @@
notify: Master | wait for kube-scheduler notify: Master | wait for kube-scheduler
tags: kube-scheduler tags: kube-scheduler
- name: Write kube-controller-manager kubeconfig
template:
src: kube-controller-manager-kubeconfig.yaml.j2
dest: "{{ kube_config_dir }}/kube-controller-manager-kubeconfig.yaml"
tags: kube-controller-manager
- name: Write kube-controller-manager manifest
template:
src: manifests/kube-controller-manager.manifest.j2
dest: "{{ kube_manifest_dir }}/kube-controller-manager.manifest"
notify: Master | wait for kube-controller-manager
tags: kube-controller-manager
- include: post-upgrade.yml - include: post-upgrade.yml
tags: k8s-post-upgrade tags: k8s-post-upgrade

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@ -0,0 +1,18 @@
apiVersion: v1
kind: Config
clusters:
- name: local
cluster:
certificate-authority: {{ kube_cert_dir }}/ca.pem
server: {{ kube_apiserver_endpoint }}
users:
- name: kube-controller-manager
user:
client-certificate: {{ kube_cert_dir }}/kube-controller-manager.pem
client-key: {{ kube_cert_dir }}/kube-controller-manager-key.pem
contexts:
- context:
cluster: local
user: kube-controller-manager
name: kube-controller-manager-{{ cluster_name }}
current-context: kube-controller-manager-{{ cluster_name }}

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@ -0,0 +1,18 @@
apiVersion: v1
kind: Config
clusters:
- name: local
cluster:
certificate-authority: {{ kube_cert_dir }}/ca.pem
server: {{ kube_apiserver_endpoint }}
users:
- name: kube-scheduler
user:
client-certificate: {{ kube_cert_dir }}/kube-scheduler.pem
client-key: {{ kube_cert_dir }}/kube-scheduler-key.pem
contexts:
- context:
cluster: local
user: kube-scheduler
name: kube-scheduler-{{ cluster_name }}
current-context: kube-scheduler-{{ cluster_name }}

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@ -81,6 +81,9 @@ spec:
{% if kube_api_anonymous_auth is defined and kube_version | version_compare('v1.5', '>=') %} {% if kube_api_anonymous_auth is defined and kube_version | version_compare('v1.5', '>=') %}
- --anonymous-auth={{ kube_api_anonymous_auth }} - --anonymous-auth={{ kube_api_anonymous_auth }}
{% endif %} {% endif %}
{% if authorization_modes %}
- --authorization-mode={{ authorization_modes|join(',') }}
{% endif %}
{% if apiserver_custom_flags is string %} {% if apiserver_custom_flags is string %}
- {{ apiserver_custom_flags }} - {{ apiserver_custom_flags }}
{% else %} {% else %}

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@ -24,7 +24,7 @@ spec:
command: command:
- /hyperkube - /hyperkube
- controller-manager - controller-manager
- --master={{ kube_apiserver_endpoint }} - --kubeconfig={{ kube_config_dir }}/kube-controller-manager-kubeconfig.yaml
- --leader-elect=true - --leader-elect=true
- --service-account-private-key-file={{ kube_cert_dir }}/apiserver-key.pem - --service-account-private-key-file={{ kube_cert_dir }}/apiserver-key.pem
- --root-ca-file={{ kube_cert_dir }}/ca.pem - --root-ca-file={{ kube_cert_dir }}/ca.pem
@ -35,6 +35,9 @@ spec:
- --node-monitor-period={{ kube_controller_node_monitor_period }} - --node-monitor-period={{ kube_controller_node_monitor_period }}
- --pod-eviction-timeout={{ kube_controller_pod_eviction_timeout }} - --pod-eviction-timeout={{ kube_controller_pod_eviction_timeout }}
- --v={{ kube_log_level }} - --v={{ kube_log_level }}
{% if rbac_enabled %}
- --use-service-account-credentials
{% endif %}
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere"] %} {% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere"] %}
- --cloud-provider={{cloud_provider}} - --cloud-provider={{cloud_provider}}
- --cloud-config={{ kube_config_dir }}/cloud_config - --cloud-config={{ kube_config_dir }}/cloud_config
@ -61,20 +64,36 @@ spec:
initialDelaySeconds: 30 initialDelaySeconds: 30
timeoutSeconds: 10 timeoutSeconds: 10
volumeMounts: volumeMounts:
- mountPath: {{ kube_cert_dir }} - mountPath: /etc/ssl/certs
name: ssl-certs-kubernetes name: ssl-certs-host
readOnly: true
- mountPath: "{{kube_config_dir}}/ssl"
name: etc-kube-ssl
readOnly: true
- mountPath: "{{ kube_config_dir }}/kube-controller-manager-kubeconfig.yaml"
name: kubeconfig
readOnly: true readOnly: true
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere" ] %} {% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere" ] %}
- mountPath: {{ kube_config_dir }}/cloud_config - mountPath: "{{ kube_config_dir }}/cloud_config"
name: cloudconfig name: cloudconfig
readOnly: true readOnly: true
{% endif %} {% endif %}
volumes: volumes:
- hostPath: - name: ssl-certs-host
path: {{ kube_cert_dir }} hostPath:
name: ssl-certs-kubernetes {% if ansible_os_family == 'RedHat' %}
path: /etc/pki/tls
{% else %}
path: /usr/share/ca-certificates
{% endif %}
- name: etc-kube-ssl
hostPath:
path: "{{ kube_config_dir }}/ssl"
- name: kubeconfig
hostPath:
path: "{{ kube_config_dir }}/kube-controller-manager-kubeconfig.yaml"
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere"] %} {% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere"] %}
- hostPath: - hostPath:
path: {{ kube_config_dir }}/cloud_config path: "{{ kube_config_dir }}/cloud_config"
name: cloudconfig name: cloudconfig
{% endif %} {% endif %}

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@ -2,7 +2,7 @@ apiVersion: v1
kind: Pod kind: Pod
metadata: metadata:
name: kube-scheduler name: kube-scheduler
namespace: kube-system namespace: {{ system_namespace }}
labels: labels:
k8s-app: kube-scheduler k8s-app: kube-scheduler
spec: spec:
@ -25,7 +25,7 @@ spec:
- /hyperkube - /hyperkube
- scheduler - scheduler
- --leader-elect=true - --leader-elect=true
- --master={{ kube_apiserver_endpoint }} - --kubeconfig={{ kube_config_dir }}/kube-scheduler-kubeconfig.yaml
- --v={{ kube_log_level }} - --v={{ kube_log_level }}
{% if scheduler_custom_flags is string %} {% if scheduler_custom_flags is string %}
- {{ scheduler_custom_flags }} - {{ scheduler_custom_flags }}
@ -41,3 +41,27 @@ spec:
port: 10251 port: 10251
initialDelaySeconds: 30 initialDelaySeconds: 30
timeoutSeconds: 10 timeoutSeconds: 10
volumeMounts:
- mountPath: /etc/ssl/certs
name: ssl-certs-host
readOnly: true
- mountPath: "{{ kube_config_dir }}/ssl"
name: etc-kube-ssl
readOnly: true
- mountPath: "{{ kube_config_dir }}/kube-scheduler-kubeconfig.yaml"
name: kubeconfig
readOnly: true
volumes:
- name: ssl-certs-host
hostPath:
{% if ansible_os_family == 'RedHat' %}
path: /etc/pki/tls
{% else %}
path: /usr/share/ca-certificates
{% endif %}
- name: etc-kube-ssl
hostPath:
path: "{{ kube_config_dir }}/ssl"
- name: kubeconfig
hostPath:
path: "{{ kube_config_dir }}/kube-scheduler-kubeconfig.yaml"

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@ -30,9 +30,12 @@
- name: write the kubecfg (auth) file for kubelet - name: write the kubecfg (auth) file for kubelet
template: template:
src: node-kubeconfig.yaml.j2 src: "{{ item }}-kubeconfig.yaml.j2"
dest: "{{ kube_config_dir }}/node-kubeconfig.yaml" dest: "{{ kube_config_dir }}/{{ item }}-kubeconfig.yaml"
backup: yes backup: yes
with_items:
- node
- kube-proxy
notify: restart kubelet notify: restart kubelet
tags: kubelet tags: kubelet

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@ -0,0 +1,18 @@
apiVersion: v1
kind: Config
clusters:
- name: local
cluster:
certificate-authority: {{ kube_cert_dir }}/ca.pem
server: {{ kube_apiserver_endpoint }}
users:
- name: kube-proxy
user:
client-certificate: {{ kube_cert_dir }}/kube-proxy-{{ inventory_hostname }}.pem
client-key: {{ kube_cert_dir }}/kube-proxy-{{ inventory_hostname }}-key.pem
contexts:
- context:
cluster: local
user: kube-proxy
name: kube-proxy-{{ cluster_name }}
current-context: kube-proxy-{{ cluster_name }}

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@ -25,10 +25,7 @@ spec:
- /hyperkube - /hyperkube
- proxy - proxy
- --v={{ kube_log_level }} - --v={{ kube_log_level }}
- --master={{ kube_apiserver_endpoint }} - --kubeconfig={{kube_config_dir}}/kube-proxy-kubeconfig.yaml
{% if not is_kube_master %}
- --kubeconfig={{kube_config_dir}}/node-kubeconfig.yaml
{% endif %}
- --bind-address={{ ip | default(ansible_default_ipv4.address) }} - --bind-address={{ ip | default(ansible_default_ipv4.address) }}
- --cluster-cidr={{ kube_pods_subnet }} - --cluster-cidr={{ kube_pods_subnet }}
- --proxy-mode={{ kube_proxy_mode }} - --proxy-mode={{ kube_proxy_mode }}
@ -41,14 +38,14 @@ spec:
- mountPath: /etc/ssl/certs - mountPath: /etc/ssl/certs
name: ssl-certs-host name: ssl-certs-host
readOnly: true readOnly: true
- mountPath: {{kube_config_dir}}/node-kubeconfig.yaml - mountPath: "{{ kube_config_dir }}/ssl"
name: "kubeconfig" name: etc-kube-ssl
readOnly: true readOnly: true
- mountPath: {{kube_config_dir}}/ssl - mountPath: "{{ kube_config_dir }}/kube-proxy-kubeconfig.yaml"
name: "etc-kube-ssl" name: kubeconfig
readOnly: true readOnly: true
- mountPath: /var/run/dbus - mountPath: /var/run/dbus
name: "var-run-dbus" name: var-run-dbus
readOnly: false readOnly: false
volumes: volumes:
- name: ssl-certs-host - name: ssl-certs-host
@ -58,12 +55,12 @@ spec:
{% else %} {% else %}
path: /usr/share/ca-certificates path: /usr/share/ca-certificates
{% endif %} {% endif %}
- name: "kubeconfig" - name: etc-kube-ssl
hostPath: hostPath:
path: "{{kube_config_dir}}/node-kubeconfig.yaml" path: "{{ kube_config_dir }}/ssl"
- name: "etc-kube-ssl" - name: kubeconfig
hostPath: hostPath:
path: "{{kube_config_dir}}/ssl" path: "{{ kube_config_dir }}/kube-proxy-kubeconfig.yaml"
- name: "var-run-dbus" - name: var-run-dbus
hostPath: hostPath:
path: "/var/run/dbus" path: /var/run/dbus

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@ -23,7 +23,7 @@
{% if not is_kube_master and loadbalancer_apiserver_localhost|default(false) -%} {% if not is_kube_master and loadbalancer_apiserver_localhost|default(false) -%}
https://localhost:{{ nginx_kube_apiserver_port|default(kube_apiserver_port) }} https://localhost:{{ nginx_kube_apiserver_port|default(kube_apiserver_port) }}
{%- elif is_kube_master -%} {%- elif is_kube_master -%}
http://127.0.0.1:{{ kube_apiserver_insecure_port }} https://127.0.0.1:{{ kube_apiserver_port }}
{%- else -%} {%- else -%}
{%- if loadbalancer_apiserver is defined and loadbalancer_apiserver.port is defined -%} {%- if loadbalancer_apiserver is defined and loadbalancer_apiserver.port is defined -%}
https://{{ apiserver_loadbalancer_domain_name|default('lb-apiserver.kubernetes.local') }}:{{ loadbalancer_apiserver.port|default(kube_apiserver_port) }} https://{{ apiserver_loadbalancer_domain_name|default('lb-apiserver.kubernetes.local') }}:{{ loadbalancer_apiserver.port|default(kube_apiserver_port) }}

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@ -72,32 +72,47 @@ else
openssl req -x509 -new -nodes -key ca-key.pem -days 10000 -out ca.pem -subj "/CN=kube-ca" > /dev/null 2>&1 openssl req -x509 -new -nodes -key ca-key.pem -days 10000 -out ca.pem -subj "/CN=kube-ca" > /dev/null 2>&1
fi fi
gen_key_and_cert() {
local name=$1
local subject=$2
openssl genrsa -out ${name}-key.pem 2048 > /dev/null 2>&1
openssl req -new -key ${name}-key.pem -out ${name}.csr -subj "${subject}" -config ${CONFIG} > /dev/null 2>&1
openssl x509 -req -in ${name}.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out ${name}.pem -days 3650 -extensions v3_req -extfile ${CONFIG} > /dev/null 2>&1
}
if [ ! -e "$SSLDIR/ca-key.pem" ]; then if [ ! -e "$SSLDIR/ca-key.pem" ]; then
# kube-apiserver key # kube-apiserver
openssl genrsa -out apiserver-key.pem 2048 > /dev/null 2>&1 gen_key_and_cert "apiserver" "/CN=kube-apiserver"
openssl req -new -key apiserver-key.pem -out apiserver.csr -subj "/CN=kube-apiserver" -config ${CONFIG} > /dev/null 2>&1
openssl x509 -req -in apiserver.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out apiserver.pem -days 3650 -extensions v3_req -extfile ${CONFIG} > /dev/null 2>&1
cat ca.pem >> apiserver.pem cat ca.pem >> apiserver.pem
# kube-scheduler
gen_key_and_cert "kube-scheduler" "/CN=system:kube-scheduler"
# kube-controller-manager
gen_key_and_cert "kube-controller-manager" "/CN=system:kube-controller-manager"
fi fi
# Admins
if [ -n "$MASTERS" ]; then if [ -n "$MASTERS" ]; then
for host in $MASTERS; do for host in $MASTERS; do
cn="${host%%.*}" cn="${host%%.*}"
# admin key # admin
openssl genrsa -out admin-${host}-key.pem 2048 > /dev/null 2>&1 gen_key_and_cert "admin-${host}" "/CN=kube-admin-${cn}/O=system:masters"
openssl req -new -key admin-${host}-key.pem -out admin-${host}.csr -subj "/CN=kube-admin-${cn}/O=system:masters" > /dev/null 2>&1
openssl x509 -req -in admin-${host}.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out admin-${host}.pem -days 3650 > /dev/null 2>&1
done done
fi fi
# Nodes and Admin # Nodes
if [ -n "$HOSTS" ]; then if [ -n "$HOSTS" ]; then
for host in $HOSTS; do for host in $HOSTS; do
cn="${host%%.*}" cn="${host%%.*}"
# node key gen_key_and_cert "node-${host}" "/CN=system:node:${cn}/O=system:nodes"
openssl genrsa -out node-${host}-key.pem 2048 > /dev/null 2>&1 done
openssl req -new -key node-${host}-key.pem -out node-${host}.csr -subj "/CN=kube-node-${cn}" > /dev/null 2>&1 fi
openssl x509 -req -in node-${host}.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out node-${host}.pem -days 3650 > /dev/null 2>&1
# system:kube-proxy
if [ -n "$HOSTS" ]; then
for host in $HOSTS; do
cn="${host%%.*}"
# kube-proxy
gen_key_and_cert "kube-proxy-${host}" "/CN=system:kube-proxy"
done done
fi fi

View file

@ -56,24 +56,39 @@
- set_fact: - set_fact:
all_master_certs: "['ca-key.pem', all_master_certs: "['ca-key.pem',
'apiserver.pem',
'apiserver-key.pem',
'kube-scheduler.pem',
'kube-scheduler-key.pem',
'kube-controller-manager.pem',
'kube-controller-manager-key.pem',
{% for node in groups['kube-master'] %} {% for node in groups['kube-master'] %}
'admin-{{ node }}.pem', 'admin-{{ node }}.pem',
'admin-{{ node }}-key.pem', 'admin-{{ node }}-key.pem',
'apiserver.pem',
'apiserver-key.pem',
{% endfor %}]" {% endfor %}]"
my_master_certs: ['ca-key.pem', my_master_certs: ['ca-key.pem',
'admin-{{ inventory_hostname }}.pem', 'admin-{{ inventory_hostname }}.pem',
'admin-{{ inventory_hostname }}-key.pem', 'admin-{{ inventory_hostname }}-key.pem',
'apiserver.pem', 'apiserver.pem',
'apiserver-key.pem' 'apiserver-key.pem',
'kube-scheduler.pem',
'kube-scheduler-key.pem',
'kube-controller-manager.pem',
'kube-controller-manager-key.pem',
] ]
all_node_certs: "['ca.pem', all_node_certs: "['ca.pem',
{% for node in groups['k8s-cluster'] %} {% for node in groups['k8s-cluster'] %}
'node-{{ node }}.pem', 'node-{{ node }}.pem',
'node-{{ node }}-key.pem', 'node-{{ node }}-key.pem',
'kube-proxy-{{ node }}.pem',
'kube-proxy-{{ node }}-key.pem',
{% endfor %}]" {% endfor %}]"
my_node_certs: ['ca.pem', 'node-{{ inventory_hostname }}.pem', 'node-{{ inventory_hostname }}-key.pem'] my_node_certs: ['ca.pem',
'node-{{ inventory_hostname }}.pem',
'node-{{ inventory_hostname }}-key.pem',
'kube-proxy-{{ inventory_hostname }}.pem',
'kube-proxy-{{ inventory_hostname }}-key.pem',
]
tags: facts tags: facts
- name: Gen_certs | Gather master certs - name: Gen_certs | Gather master certs

View file

@ -114,3 +114,9 @@ vault_deployment_type: docker
k8s_image_pull_policy: IfNotPresent k8s_image_pull_policy: IfNotPresent
efk_enabled: false efk_enabled: false
enable_network_policy: false enable_network_policy: false
## List of authorization modes that must be configured for
## the k8s cluster. Only 'AlwaysAllow','AlwaysDeny', and
## 'RBAC' modes are tested.
authorization_modes: ['AlwaysAllow']
rbac_enabled: "{{ 'RBAC' in authorization_modes }}"