Flannel cleanup

group_vars/all.yml

@@ -1,2 +1,41 @@
 token: udy29x.ugyyk3tumg27atmr
-podnet: 10.244.0.0/16
+podnet: 10.244.0.0/16
+
+kubernetes_package_version: "1.9.7-00"
+# Available versions:
+# 1.10.3-00
+# 1.10.2-00
+# 1.10.1-00
+# 1.10.0-00
+# 1.9.8-00
+# 1.9.7-00
+# 1.9.6-00
+# 1.9.5-00
+
+kubernetes_version: "v1.9.7"
+# Available versions:
+# v1.10.3
+# v1.10.2
+# v1.10.1
+# v1.10.1
+# v1.9.8
+# v1.9.7
+# v1.9.6
+# v1.9.5
+
+docker_ce_version: "18.04.0~ce~3-0~raspbian"
+# Available versions:
+# 18.05.0~ce~3-0~raspbian
+# 18.04.0~ce~3-0~raspbian
+# 18.03.1~ce-0~raspbian
+# 18.03.0~ce-0~raspbian
+# 18.02.0~ce-0~raspbian
+# 18.01.0~ce-0~raspbian
+
+flannel_version: "v0.10.0"
+# v0.10.0
+# v0.9.1
+# v0.9.0
+# v0.8.0
+# v0.7.1
+# v0.7.0

inventory

@@ -1,50 +1,6 @@
-pik8s000    ansible_host=192.168.86.200
-pik8s001    ansible_host=192.168.86.201
-pik8s002    ansible_host=192.168.86.202
-pik8s003    ansible_host=192.168.86.203
-pik8s004    ansible_host=192.168.86.204
-pik8s005    ansible_host=192.168.86.205
+rak8s000    ansible_host=192.168.86.203
+rak8s001    ansible_host=192.168.86.204
+rak8s002    ansible_host=192.168.86.205
 
 [master]
-pik8s000
-
-[all:vars]
-kubernetes_package_version="1.9.7-00"
-# Available versions:
-# 1.10.3-00
-# 1.10.2-00
-# 1.10.1-00
-# 1.10.0-00
-# 1.9.8-00
-# 1.9.7-00
-# 1.9.6-00
-# 1.9.5-00
-
-kubernetes_version="v1.9.7"
-# Available versions:
-# v1.10.3
-# v1.10.2
-# v1.10.1
-# v1.10.1
-# v1.9.8
-# v1.9.7
-# v1.9.6
-# v1.9.5
-
-docker_ce_version="18.04.0~ce~3-0~raspbian"
-# Available versions:
-# 18.05.0~ce~3-0~raspbian
-# 18.04.0~ce~3-0~raspbian
-# 18.03.1~ce-0~raspbian
-# 18.03.0~ce-0~raspbian
-# 18.02.0~ce-0~raspbian
-# 18.01.0~ce-0~raspbian
-
-flannel_version="v0.10.0"
-# v0.10.0
-# v0.9.1
-# v0.9.0
-# v0.8.0
-# v0.7.1
-# v0.7.0
-
+rak8s000

roles/common/tasks/main.yml

@@ -1,5 +1,18 @@
 ---
-# tasks file for common
+- name: Ensure hostname set
+  hostname: name={{ inventory_hostname }}
+  when: not inventory_hostname is match('(\d{1,3}\.){3}\d{1,3}')
+  register: hostname
+  tags: hostname
+
+- name: Ensure hostname is in /etc/hosts
+  lineinfile:
+    dest=/etc/hosts
+    regexp="^{{ ansible_default_ipv4.address }}.+$"
+    line="{{ ansible_default_ipv4.address }} {{ ansible_fqdn }} {{ ansible_hostname }}"
+  register: hostname
+  tags: hostname
+
 - name: Enabling cgroup options at boot
   copy:
     src: cmdline.txt
@@ -27,7 +40,7 @@
   async: 1
   poll: 0
   ignore_errors: True
-  when: cmdline|changed
+  when: cmdline or hostname is changed
   tags:
     - boot
     - shutdown
@@ -37,10 +50,10 @@
   args:
     host: "{{ inventory_hostname }}"
     port: 22
-    delay: 15
-    timeout: 90
+    delay: 20
+    timeout: 120
   become: False
-  when: cmdline|changed
+  when: cmdline or hostname is changed
   tags:
     - boot
     - shutdown

roles/master/tasks/main.yml

@@ -4,10 +4,10 @@
   shell: kubeadm reset
   register: kubeadm_reset
 
-- name: "Initialize Master  {{ kubernetes_version }}"
+- name: "Initialize Master {{ kubernetes_version }}"
   shell: kubeadm init --apiserver-advertise-address={{ ansible_default_ipv4.address }} --token={{ token }} --kubernetes-version={{ kubernetes_version }} --pod-network-cidr=172.30.0.0/16
   register: kubeadm_init
-  when: kubeadm_reset|succeeded
+  when: kubeadm_reset is succeeded
 
 - name: Create Kubernetes config directory
   file:
@@ -25,11 +25,12 @@
     group: root
     mode: 0755
     remote_src: yes
+    backup: yes
   when: kubeadm_init
 
 - name: Join Kubernetes Cluster
   shell: kubeadm join --ignore-preflight-errors=all --token {{ token }} {{ groups['master'][0] }}:6443 --discovery-token-unsafe-skip-ca-verification
-  when: kubeadm_reset|succeeded
+  when: kubeadm_reset is succeeded
   register: kubeadm_join
 
 - name: Install Flannel (Networking)

roles/workers/tasks/main.yml

@@ -6,7 +6,7 @@
 
 - name: Join Kubernetes Cluster
   shell: kubeadm join --ignore-preflight-errors=all --token {{ token }} {{ groups['master'][0] }}:6443 --discovery-token-unsafe-skip-ca-verification
-  when: kubeadm_reset|succeeded
+  when: kubeadm_reset is succeeded
   register: kubeadm_join
 
 - name: Poke kubelet