calico upgrade to v3 (#3086)

* calico upgrade to v3

* update calico_rr version

* add missing file

* change contents of main.yml as it was left old version

* enable network policy by default

* remove unneeded task

* Fix kubelet calico settings

* fix when statement

* switch back to node-kubeconfig.yaml

roles/network_plugin/calico/tasks/check.yml

@@ -0,0 +1,37 @@
+---
+- name: "Check vars defined correctly"
+  assert:
+    that:
+      - "calico_pool_name is defined"
+      - "calico_pool_name | match('^[a-zA-Z0-9-_\\\\.]{2,63}$')"
+      - "ipip_mode is defined"
+      - "ipip_mode in ['Always', 'CrossSubnet', 'Never']"
+    msg: "Check variable definitions seems something is wrong"
+  run_once: yes
+
+- name: "Get current version of calico cluster version"
+  shell: "{{ bin_dir }}/calicoctl version  | grep 'Cluster Version' | awk '{ print $3}'"
+  register: calico_version_on_server
+  run_once: yes
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: "Determine if calico upgrade is needed"
+  block:
+    - name: "Check that calico version is enought for upgrade"
+      assert:
+        that:
+          - calico_version_on_server.stdout|version_compare('v2.6.5', '>=')
+        msg: "Your version of calico is not fresh enough for upgrade"
+
+    - name: "Set upgrade flag when version needs to be updated"
+      set_fact:
+        calico_upgrade_needed: True
+      when:
+        - calico_version_on_server.stdout|version_compare('v2.6.5', '>=')
+        - calico_version_on_server.stdout|version_compare('v3.0.0', '<')
+
+  when:
+    - 'calico_version_on_server.stdout is defined'
+    - 'calico_version_on_server.stdout != ""'
+    - inventory_hostname == groups['kube-master'][0]
+  run_once: yes