Fix upgrade for all daemonset type resources

Daemonsets cannot be simply upgraded through a single API call,
regardless of any kubectl documentation. The resource must be
purged and then recreated in order to make any changes.

roles/kubernetes-apps/ansible/tasks/netchecker.yml

@@ -8,6 +8,18 @@
   register: manifests
   when: inventory_hostname == groups['kube-master'][0]
 
+#FIXME: remove if kubernetes/features#124 is implemented
+- name: Kubernetes Apps | Purge old Netchecker daemonsets
+  kube:
+    name: "{{item.item.name}}"
+    namespace: "{{netcheck_namespace}}"
+    kubectl: "{{bin_dir}}/kubectl"
+    resource: "{{item.item.type}}"
+    filename: "{{kube_config_dir}}/{{item.item.file}}"
+    state: absent
+  with_items: "{{ manifests.results }}"
+  when: inventory_hostname == groups['kube-master'][0] and item.item.type == "ds" and item.changed
+
 - name: Kubernetes Apps | Start Netchecker Resources
   kube:
     name: "{{item.item.name}}"