Add ansible scripts for raspberry pi based kubernetes edge cluster

JIRA: CLOVER-71

This issue falls under the "Edge Cloud-Native Cluster" intern project and is a part of both Clover and Edge cloud projects. The detailed description of the project and the instructions for using the scripts are documented in the README.

Change-Id: I4fdb98f17ae0c53f918376ad6fb90be8ff0b0a71
Signed-off-by: adarsh1001 <adarshpalsingh1996@gmail.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/edge/sample/roles/clusterForm_master/tasks/main.yml b/edge/sample/roles/clusterForm_master/tasks/main.yml
new file mode 100644
index 0000000..9137d7f
--- /dev/null
+++ b/edge/sample/roles/clusterForm_master/tasks/main.yml
@@ -0,0 +1,72 @@
+# Copyright (c) Authors of Clover
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+
+- name: Resetting kubeadm on master
+  shell: kubeadm reset
+
+- name: Removing KUBELET_NETWORK_ARGS flag in the kubadm config file
+  shell: sed -i '/KUBELET_NETWORK_ARGS=/d' /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
+  args:
+    warn: false
+
+- name: Removing redundant config files (1/3)
+  file:
+    path: /home/pi/.kube
+    state: absent
+
+- name: Removing redundant config files (2/3)
+  file:
+    path: /home/pi/join.sh
+    state: absent
+
+- name: Removing redundant config files (3/3)
+  file:
+    path: /home/pi/kubelog.txt
+    state: absent
+
+- name: Initializing kubeadm
+  shell: kubeadm init --token-ttl=0 --pod-network-cidr 10.244.0.0/16 --apiserver-advertise-address={{ ansible_default_ipv4.address }} > kubelog.txt
+
+- name: Scraping the join token
+  shell: cat kubelog.txt | grep 'kubeadm join' > join.sh && sed "s/^[ \t]*//" -i join.sh
+  args:
+    warn: false
+  become: false
+
+- name: Fetching the joining script
+  fetch:
+    src: /home/pi/join.sh
+    dest: ./
+    flat: yes
+  become: false
+
+- name: Making a .kube directory in home
+  file:
+    path: /home/pi/.kube
+    state: directory
+  become: false
+
+- name: Copying admin config file to .kube directory
+  copy:
+    src: /etc/kubernetes/admin.conf
+    dest: /home/pi/.kube/config
+    remote_src: yes
+
+- name: Changing user and group ownership of the config file
+  shell: chown $(id -u):$(id -g) /home/pi/.kube/config
+  args:
+    warn: false
+
+- name: Installing Flannel
+  shell: curl -sSL https://rawgit.com/coreos/flannel/v0.10.0/Documentation/kube-flannel.yml | sed "s/amd64/arm/g" | kubectl create -f -
+  args:
+    warn: false
+  become: false
+
+- name: Pause a minute for system containers to spin up
+  pause:
+    minutes: 1