VOL-633: Update the single-node Voltha environment to support Kubernetes
Change-Id: Id105eb33463995401c61b365d222915d6c669aec
diff --git a/ansible/roles/k8s-master/tasks/main.yml b/ansible/roles/k8s-master/tasks/main.yml
new file mode 100644
index 0000000..6fe0456
--- /dev/null
+++ b/ansible/roles/k8s-master/tasks/main.yml
@@ -0,0 +1,74 @@
+- name: Install Kubernetes dependencies
+ become: yes
+ apt:
+ name: "{{ item }}"
+ state: latest
+ with_items:
+ - apt-transport-https
+ - jq
+
+- name: Get apt signing key from Google Cloud
+ become: yes
+ apt_key:
+ url: https://packages.cloud.google.com/apt/doc/apt-key.gpg
+ state: present
+
+- name: Add Kubernetes apt repository
+ become: yes
+ apt_repository:
+ repo: 'deb http://apt.kubernetes.io/ kubernetes-xenial main'
+ filename: kubernetes
+ state: present
+ update_cache: yes
+
+- name: Install Kubernetes
+ become: yes
+ apt:
+ name: "{{ item }}"
+ state: present
+ with_items:
+ - kubeadm=1.8.5-00
+ - kubectl=1.8.5-00
+ - kubelet=1.8.5-00
+ - kubernetes-cni=0.6.0-00
+
+- name: Initialize node as Kubernetes master
+ become: yes
+ command: "kubeadm init --apiserver-advertise-address=10.100.198.220"
+
+- name: Create .kube directory under home
+ become: yes
+ file:
+ dest: /home/ubuntu/.kube
+ mode: 0755
+ owner: ubuntu
+ group: ubuntu
+ state: directory
+
+- name: Copy config to home directory
+ become: yes
+ command: "sudo cp /etc/kubernetes/admin.conf /home/ubuntu/.kube/config"
+
+- name: Change ownership of ~/.kube/config
+ become: yes
+ file:
+ path: /home/ubuntu/.kube/config
+ mode: 0600
+ owner: ubuntu
+ group: ubuntu
+
+- name: Set proxy-mode flag in kube-proxy daemonset (workaround for https://github.com/kubernetes/kubernetes/issues/34101)
+ become: yes
+ shell: "kubectl --kubeconfig=/etc/kubernetes/admin.conf -n kube-system get ds -l 'k8s-app==kube-proxy' -o json | jq '.items[0].spec.template.spec.containers[0].command |= .+ [\"--proxy-mode=userspace\"]' | kubectl --kubeconfig=/etc/kubernetes/admin.conf apply -f - && kubectl --kubeconfig=/etc/kubernetes/admin.conf -n kube-system delete pods -l 'k8s-app==kube-proxy'"
+ register: proxy
+ until: proxy.rc == 0
+ retries: 60
+ delay: 10
+
+- name: Allow workloads on Kubernetes master
+ become: yes
+ command: "kubectl --kubeconfig=/etc/kubernetes/admin.conf taint nodes --all node-role.kubernetes.io/master-"
+
+- name: Install pod network
+ become: yes
+ command: "kubectl --kubeconfig=/etc/kubernetes/admin.conf apply -f /cord/incubator/voltha/k8s/weave-net-1.8.yml"
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