Fix ansible syntax to avoid ansible deprecation warnings (#3512)

* failed

* version_compare

* succeeded

* skipped

* success

* version_compare becomes version since ansible 2.5

* ansible minimal version updated in doc and spec

* last version_compare

roles/kubernetes/preinstall/tasks/0020-verify-settings.yml

@@ -2,7 +2,7 @@
 - name: Stop if ansible version is too low
   assert:
     that:
-      - ansible_version.full|version_compare('2.3.0', '>=')
+      - ansible_version.full is version('2.3.0', '>=')
   run_once: yes
 
 - name: Stop if either kube-master, kube-node or etcd is empty
@@ -114,7 +114,7 @@
 
 - name: Stop if kernel version is too low
   assert:
-    that: ansible_kernel.split('-')[0]|version_compare('4.8', '>=')
+    that: ansible_kernel.split('-')[0] is version('4.8', '>=')
   when: kube_network_plugin == 'cilium'
   ignore_errors: "{{ ignore_assert_errors }}"
 
@@ -146,7 +146,7 @@
 - name: "Check that calico version is enought for upgrade"
   assert:
     that:
-      - calico_version_on_server.stdout|version_compare('v2.6.5', '>=')
+      - calico_version_on_server.stdout is version('v2.6.5', '>=')
     msg: "Your version of calico is not fresh enough for upgrade. Minimum version v2.6.5"
   when:
     - 'calico_version_on_server.stdout is defined'

roles/kubernetes/preinstall/tasks/0070-system-packages.yml

@@ -4,7 +4,7 @@
     update_cache: yes
     name: '*'
   register: yum_task_result
-  until: yum_task_result|succeeded
+  until: yum_task_result is succeeded
   retries: 4
   delay: "{{ retry_stagger | random + 3 }}"
   when:
@@ -15,7 +15,7 @@
 - name: Expire management cache (YUM) for Updation - Redhat
   shell: yum clean expire-cache
   register: expire_cache_output
-  until: expire_cache_output|succeeded
+  until: expire_cache_output is succeeded
   retries: 4
   delay: "{{ retry_stagger | random + 3 }}"
   when:
@@ -27,7 +27,7 @@
 - name: Update package management cache (YUM) - Redhat
   shell: yum makecache
   register: make_cache_output
-  until: make_cache_output|succeeded
+  until: make_cache_output is succeeded
   retries: 4
   delay: "{{ retry_stagger | random + 3 }}"
   when:
@@ -40,7 +40,7 @@
 - name: Update package management cache (zypper) - SUSE
   shell: zypper -n --gpg-auto-import-keys ref
   register: make_cache_output
-  until: make_cache_output|succeeded
+  until: make_cache_output is succeeded
   retries: 4
   delay: "{{ retry_stagger | random + 3 }}"
   when:
@@ -58,7 +58,7 @@
 - name: Install python-dnf for latest RedHat versions
   command: dnf install -y python-dnf yum
   register: dnf_task_result
-  until: dnf_task_result|succeeded
+  until: dnf_task_result is succeeded
   retries: 4
   delay: "{{ retry_stagger | random + 3 }}"
   when:
@@ -86,7 +86,7 @@
     name: "{{ item }}"
     state: latest
   register: pkgs_task_result
-  until: pkgs_task_result|succeeded
+  until: pkgs_task_result is succeeded
   retries: 4
   delay: "{{ retry_stagger | random + 3 }}"
   with_items: "{{required_pkgs | default([]) | union(common_required_pkgs|default([]))}}"