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-rw-r--r--ansible/roles/init_kubeadm/tasks/kubeadm.yml50
-rw-r--r--ansible/roles/init_kubeadm/tasks/kubectl.yml26
-rw-r--r--ansible/roles/init_kubeadm/tasks/main.yml70
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 }}