diff options
Diffstat (limited to 'ansible/roles/init_kubeadm/tasks')
-rw-r--r-- | ansible/roles/init_kubeadm/tasks/kubeadm.yml | 50 | ||||
-rw-r--r-- | ansible/roles/init_kubeadm/tasks/kubectl.yml | 26 | ||||
-rw-r--r-- | ansible/roles/init_kubeadm/tasks/main.yml | 70 |
3 files changed, 146 insertions, 0 deletions
diff --git a/ansible/roles/init_kubeadm/tasks/kubeadm.yml b/ansible/roles/init_kubeadm/tasks/kubeadm.yml new file mode 100644 index 000000000..7c808a01c --- /dev/null +++ b/ansible/roles/init_kubeadm/tasks/kubeadm.yml @@ -0,0 +1,50 @@ +# Copyright (c) 2018-2019 Intel Corporation. +# +# 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. +--- +- set_fact: + service_cidr_param: --service-cidr={{ kubeadm_service_cidr }} + when: 'kubeadm_service_cidr is defined' + +- set_fact: + pod_network_cidr_param: --pod-network-cidr={{ kubeadm_pod_network_cidr }} + when: 'kubeadm_pod_network_cidr is defined' + +- set_fact: + kubernetes_version: --kubernetes-version {{ kubeadm_kubernetes_version }} + when: 'kubeadm_kubernetes_version is defined' + +- name: Initialize Kubernetes cluster + command: > + kubeadm init {{ pod_network_cidr_param|default('') }} + {{ service_cidr_param|default('') }} {{ kubernetes_version|default('') }} + --ignore-preflight-errors=all + +- name: Create Kubernetes configuration dir + file: path={{ ansible_env.HOME }}/.kube state=directory + +- name: Setup Kubernetes environment + copy: + src: /etc/kubernetes/admin.conf + dest: "{{ ansible_env.HOME }}/.kube/config" + remote_src: yes + +- name: Allow to schedule pods on the master + command: kubectl taint nodes --all node-role.kubernetes.io/master- + +- name: Wait for kube-dns pod to be in running state + command: kubectl get pods --namespace=kube-system -l k8s-app=kube-dns -o json + register: result + until: result.stdout|from_json|json_query('items[].status.phase|[0]') == "Running" + retries: 30 + delay: 2 diff --git a/ansible/roles/init_kubeadm/tasks/kubectl.yml b/ansible/roles/init_kubeadm/tasks/kubectl.yml new file mode 100644 index 000000000..dd8ad2f65 --- /dev/null +++ b/ansible/roles/init_kubeadm/tasks/kubectl.yml @@ -0,0 +1,26 @@ +# Copyright (c) 2019 Intel Corporation. +# +# 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. +--- +- name: Generate temporary resource file + tempfile: state=file prefix=kubectl.{{ item }}. + register: config_file + +- name: Generate {{ item }} resource file + template: src={{ item }}.j2 dest={{ config_file.path }} + +- name: Create {{ item }} resource + command: kubectl create -f {{ config_file.path }} + +- name: Create Kubernetes configuration dir + file: path={{ config_file.path }} state=absent diff --git a/ansible/roles/init_kubeadm/tasks/main.yml b/ansible/roles/init_kubeadm/tasks/main.yml new file mode 100644 index 000000000..df7334ce1 --- /dev/null +++ b/ansible/roles/init_kubeadm/tasks/main.yml @@ -0,0 +1,70 @@ +# Copyright (c) 2018-2019 Intel Corporation. +# +# 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. +--- +- name: Disable swap + command: swapoff -a + ignore_errors: true + +- name: Reset Kubernetes cluster + command: kubeadm reset + +- name: Clean Kubernetes directories (w/o removing the folder itself) + shell: rm -fr {{ item }}/* + with_items: + - /etc/kubernetes + - /var/lib/cni + - /etc/cmk + +- name: Create Multus CNI plugin dir + file: path=/etc/cni/net.d state=directory + +- name: Configure Multus CNI plugin + template: src=10-multus-cni.conf.j2 dest=/etc/cni/net.d/10-multus-cni.conf owner=root mode=0644 + +- name: Change default kubelet cluster dns IP + lineinfile: + path: /etc/systemd/system/kubelet.service.d/10-kubeadm.conf + regexp: '^(.*)--cluster-dns=([0-9\.]*)( +.*)$' + line: '\1--cluster-dns={{ kubelet_cluster_dns_ip }}\3' + backrefs: yes + backup: yes + +- name: Systemd daemon reload + command: systemctl daemon-reload + +- name: Restart kubelet + service: name=kubelet state=restarted + +- name: Initialize kubeadm + include: kubeadm.yml + +- name: Create CMK Kubernetes resources + command: kubectl create -f {{ item }} + with_items: + - "{{ cmk_rbc_rules_url }}" + - "{{ cmk_serviceaccount }}" + +- name: Create Kubernetes resources + include: kubectl.yml + with_items: + - crd-network.yaml + - net-flannel.yaml + - roles.yaml + - kube-flannel.yaml + - cmk-init-pod.yaml + +- name: Create a ClusterRoleBinding for a particular ClusterRole + command: > + kubectl create clusterrolebinding multus-node-{{ ansible_hostname }} + --clusterrole=multus-crd-overpowered --user=system:node:{{ ansible_hostname }} |