From 2c816f66a3a94784a701522ab34aad0edd530242 Mon Sep 17 00:00:00 2001
From: Smaine Kahlouch <smaine.kahlouch@arkena.com>
Date: Sun, 20 Dec 2015 16:51:14 +0100
Subject: [PATCH] Check calico network pool
---
roles/network_plugin/tasks/calico.yml | 40 +++++++++++++++++++++++----
1 file changed, 35 insertions(+), 5 deletions(-)
diff --git a/roles/network_plugin/tasks/calico.yml b/roles/network_plugin/tasks/calico.yml
index 1ba00f6fe..1d455ef8f 100644
--- a/roles/network_plugin/tasks/calico.yml
+++ b/roles/network_plugin/tasks/calico.yml
@@ -1,19 +1,49 @@
---
- name: Calico | Install calicoctl bin
copy:
- src={{ local_release_dir }}/calico/bin/calicoctl
- dest={{ bin_dir }}
- mode=0755
+ src: "{{ local_release_dir }}/calico/bin/calicoctl"
+ dest: "{{ bin_dir }}"
+ mode: 0755
notify: restart calico-node
- name: Calico | Create calicoctl symlink (needed by kubelet)
- file: src=/usr/local/bin/calicoctl dest=/usr/bin/calicoctl state=link
+ file:
+ src: /usr/local/bin/calicoctl
+ dest: /usr/bin/calicoctl
+ state: link
-- name: Calico | Configure calico-node desired pool
+- name: Calico | Check if calico network pool has already been configured
+ uri:
+ url: "http://127.0.0.1:2379/v2/keys/calico/v1/ipam/v4/pool"
+ return_content: yes
+ status_code: 200,404
+ register: calico_conf
+ run_once: true
+ delegate_to: "{{ groups['etcd'][0] }}"
+
+- name: Calico | Configure calico network pool
shell: calicoctl pool add {{ kube_pods_subnet }}
environment:
ETCD_AUTHORITY: "{{ groups['etcd'][0] }}:2379"
run_once: true
+ when: calico_conf.status == 404
+ delegate_to: "{{ groups['etcd'][0] }}"
+
+- name: Calico | Get calico configuration from etcd
+ uri:
+ url: "http://127.0.0.1:2379/v2/keys/calico/v1/ipam/v4/pool"
+ return_content: yes
+ register: calico_pools
+ run_once: true
+ delegate_to: "{{ groups['etcd'][0] }}"
+
+- name: Calico | Check if calico pool is properly configured
+ fail:
+ msg: 'Only one network pool must be configured and it must be the subnet {{ kube_pods_subnet }}.
+ Please erase calico configuration and run the playbook again ("etcdctl rm --recursive /calico/v1/ipam/v4/pool")'
+ when: ( calico_pools.json['node']['nodes'] | length > 1 ) or
+ ( not calico_pools.json['node']['nodes'][0]['key'] | search(".*{{ kube_pods_subnet | ipaddr('network') }}.*") )
+ run_once: true
delegate_to: "{{ groups['etcd'][0] }}"
- name: Calico | Write calico-node systemd init file
--
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