Upgrade etcd to 3.7 for Kubernetes 1.37 (#13363)

Signed-off-by: Ali Afsharzadeh <afsharzadeh8@gmail.com>

roles/etcd/tasks/check_upgrade.yml

@@ -0,0 +1,11 @@
+---
+# All members must run etcd 3.6.11 or later before the upgrade to 3.7.
+# https://etcd.io/docs/v3.7/upgrades/upgrade_3_7/
+- name: Ensure etcd version is >=3.6.11 before upgrade to 3.7
+  when:
+    - etcd_cluster_setup
+    - etcd_current_version != ''
+    - etcd_current_version is version('3.6.11', '<')
+    - etcd_version is version('3.7.0', '>=')
+  fail:
+    msg: "You need to upgrade etcd to 3.6.11 or later before upgrade to 3.7. Current version is {{ etcd_current_version }}."

roles/etcd/tasks/install_docker.yml

@@ -28,6 +28,9 @@
     etcd_current_version: "{{ (etcd_current_docker_image.stdout | regex_search('.*:v([0-9]+\\.[0-9]+\\.[0-9]+)', '\\1'))[0] | default('') }}"
   when: etcd_cluster_setup
 
+- name: Check etcd upgrade path
+  import_tasks: check_upgrade.yml
+
 - name: Cleanup v2 store data
   import_tasks: clean_v2_store.yml
 

roles/etcd/tasks/install_host.yml

@@ -26,6 +26,9 @@
     etcd_current_version: "{{ (etcd_current_host_version.stdout | regex_search('etcd Version: ([0-9]+\\.[0-9]+\\.[0-9]+)', '\\1'))[0] | default('') }}"
   when: etcd_cluster_setup
 
+- name: Check etcd upgrade path
+  import_tasks: check_upgrade.yml
+
 - name: Cleanup v2 store data
   import_tasks: clean_v2_store.yml