Fix quorum check when recovering broken etcd cluster (#8126)

roles/etcd/tasks/join_etcd_member.yml

@@ -32,6 +32,9 @@
   register: etcd_member_in_cluster
   changed_when: false
   check_mode: no
+  retries: "{{ etcd_retries }}"
+  delay: "{{ retry_stagger | random + 3 }}"
+  until: etcd_member_in_cluster.rc == 0
   tags:
     - facts
   environment:

roles/recover_control_plane/etcd/tasks/main.yml

@@ -20,10 +20,9 @@
   when:
     - groups['broken_etcd']
 
-# When there is an error, everything is printed in stderr_lines, even "is healthy" messages.
 - name: Set has_quorum fact
   set_fact:
-    has_quorum: "{{ etcd_endpoint_health.stderr_lines | select('match', '.*is healthy.*') | list | length >= etcd_endpoint_health.stderr_lines | select('match', '.*is unhealthy.*') | list | length }}"
+    has_quorum: "{{ etcd_endpoint_health.stdout_lines | select('match', '.*is healthy.*') | list | length >= etcd_endpoint_health.stderr_lines | select('match', '.*is unhealthy.*') | list | length }}"
   when:
     - groups['broken_etcd']