variable rename and comment

inventory/group_vars/all.yml

@@ -1,5 +1,5 @@
 # Valid bootstrap options (required): ubuntu, coreos, centos, none
-bootstrap_os: ubuntu
+bootstrap_os: none
 
 #Directory where etcd data stored
 etcd_data_dir: /var/lib/etcd

inventory/group_vars/k8s-cluster.yml

@@ -69,14 +69,24 @@ kube_users:
 
 # Choose network plugin (calico, weave or flannel)
 # Can also be set to 'cloud', which lets the cloud provider setup appropriate routing
-kube_network_plugin: weave
+kube_network_plugin: calico
 
 # weave's network password for encryption
 # if null then no network encryption
+# you can use --extra-vars to pass the password in command line
 weave_password: ~t94S:mweJN}32-K
 
-# Set true for use weave's seed mode
+# Weave uses consensus mode by default
-weave_mode_seed: true
+# Enabling seed mode allow to dynamically add or remove hosts
+# https://www.weave.works/docs/net/latest/ipam/
+weave_mode_seed: false
+
+# This two variable are automatically changed by the weave's role, do not manually change these values
+# To reset values :
+# seed: unset
+# peers: unset
+weave_seed: unset
+weave_peers: unset
 
 # Enable kubernetes network policies
 enable_network_policy: false

inventory/group_vars/k8s-fede.yml

@@ -1,7 +0,0 @@
-# This file is use to save seed and peers values for weave's seed mode
-# This two variable are automatically changed by the weave's role
-# For reset values :
-# seed: unset
-# peers: unset
-seed: fa:16:3e:b5:ea:aa,fa:16:3e:47:29:c6
-peers: 192.168.208.13 192.168.208.9

roles/network_plugin/weave/tasks/seed.yml

@@ -1,37 +1,37 @@
-- name: Weave seed | Set seed first time
+- name: Weave seed | Set seed if first time
   set_fact:
-    weave_seed: '{% for host in groups["k8s-cluster"] %}{{ hostvars[host]["ansible_default_ipv4"]["macaddress"] }}{% if not loop.last %},{% endif %}{% endfor %}'
+    seed: '{% for host in groups["k8s-cluster"] %}{{ hostvars[host]["ansible_default_ipv4"]["macaddress"] }}{% if not loop.last %},{% endif %}{% endfor %}'
-  when: "seed == 'unset'"
+  when: "weave_seed == 'unset'"
   run_once: true
   tags: confweave
 
-- name: Weave seed | Set seed
+- name: Weave seed | Set seed if not first time
   set_fact:
-    weave_seed: '{{ seed }}'
+    seed: '{{ weave_seed }}'
-  when: "seed != 'unset'"
+  when: "weave_seed != 'unset'"
   run_once: true
   tags: confweave
 
-- name: Weave seed | Set peers fist time
+- name: Weave seed | Set peers if fist time
   set_fact:
-    weave_peers: '{{ weave_ip_current_cluster }}'
+    peers: '{{ weave_ip_current_cluster }}'
-  when: "peers == 'unset'"
+  when: "weave_peers == 'unset'"
   run_once: true
   tags: confweave
 
-- name: Weave seed | Set peers with existing peers
+- name: Weave seed | Set peers if existing peers
   set_fact:
-    weave_peers: '{{ peers }}{% if weave_ip_current_cluster not in peers %} {{ weave_ip_current_cluster }}{% endif %}'
+    peers: '{{ weave_peers }}{% if weave_ip_current_cluster not in peers %} {{ weave_ip_current_cluster }}{% endif %}'
-  when: "peers != 'unset'"
+  when: "weave_peers != 'unset'"
   run_once: true
   tags: confweave
 
 - name: Weave seed | Save seed
   lineinfile:
-    dest: "./inventory/group_vars/k8s-fede.yml"
+    dest: "./inventory/group_vars/k8s-cluster.yml"
     state: present
-    regexp: '^seed:'
+    regexp: '^weave_seed:'
-    line: 'seed: {{ weave_seed }}'
+    line: 'weave_seed: {{ seed }}'
   become_user: $USER
   delegate_to: 127.0.0.1
   run_once: true
@@ -39,10 +39,10 @@
 
 - name: Weave seed | Save peers
   lineinfile:
-    dest: "./inventory/group_vars/k8s-fede.yml"
+    dest: "./inventory/group_vars/k8s-cluster.yml"
     state: present
-    regexp: '^peers:'
+    regexp: '^weave_peers:'
-    line: 'peers: {{ weave_peers }}'
+    line: 'weave_peers: {{ peers }}'
   become_user: $USER
   delegate_to: 127.0.0.1
   run_once: true

roles/network_plugin/weave/templates/weave-net.yml.j2

@@ -82,9 +82,9 @@ items:
                   value: {{ kube_pods_subnet }}
 {% if weave_mode_seed == true %}
                 - name: KUBE_PEERS
-                  value: {{ weave_peers }}
+                  value: {{ peers }}
                 - name: IPALLOC_INIT
-                  value: seed={{ weave_seed }}
+                  value: seed={{ seed }}
 {% endif %}
                 - name: WEAVE_PASSWORD
                   value: {{ weave_password }}