Drop delegate_to for SSH jump host compatibility

automation/roles/confd/tasks/main.yml

@@ -63,7 +63,7 @@
   tags: confd_conf, confd
 
 - block: # for add_balancer.yml
-    - name: "Fetch confd.toml, haproxy.toml, haproxy.tmpl conf files from {{ groups.balancers[0] }}"
+    - name: "Fetch confd.toml, haproxy.toml, haproxy.tmpl conf files from {{ inventory_hostname }}"
       run_once: true
       ansible.builtin.fetch:
         src: "{{ item }}"
@@ -74,7 +74,7 @@
         - /etc/confd/confd.toml
         - /etc/confd/conf.d/haproxy.toml
         - /etc/confd/templates/haproxy.tmpl
-      delegate_to: "{{ groups.balancers[0] }}"
+      when: "'balancers' in group_names"
 
     - name: Copy confd.toml, haproxy.toml, haproxy.tmpl conf files to replica
       ansible.builtin.copy:

automation/roles/copy/tasks/main.yml

@@ -9,10 +9,10 @@
     flat: true
     validate_checksum: true
   loop: "{{ fetch_files_from_master }}"
-  delegate_to: "{{ groups.master[0] }}"
   when:
     - fetch_files_from_master is defined
     - fetch_files_from_master | length > 0
+    - "'master' in group_names"
   tags: fetch_files
 
 - name: Copy files to all servers

automation/roles/deploy_finish/tasks/main.yml

@@ -10,9 +10,9 @@
   become_user: postgres
   ansible.builtin.command: "{{ postgresql_bin_dir }}/psql -p {{ postgresql_port }} -U {{ patroni_superuser_username }} -d postgres -Xc '\\du'"
   register: users_result
-  delegate_to: "{{ groups.master[0] }}"
   changed_when: false
   ignore_errors: true
+  when: "'master' in group_names"
   tags: users, users_list, cluster_info, cluster_status, point_in_time_recovery
 
 - name: Get Postgres databases
@@ -21,9 +21,9 @@
   become_user: postgres
   ansible.builtin.command: "{{ postgresql_bin_dir }}/psql -p {{ postgresql_port }} -U {{ patroni_superuser_username }} -d postgres -Xc '\\l'"
   register: dbs_result
-  delegate_to: "{{ groups.master[0] }}"
   changed_when: false
   ignore_errors: true
+  when: "'master' in group_names"
   tags: databases, db_list, cluster_info, cluster_status, point_in_time_recovery
 
 - name: Get Postgres cluster info

automation/roles/haproxy/tasks/main.yml

@@ -103,15 +103,15 @@
   tags: haproxy, haproxy_service, load_balancing
 
 - block: # for add_balancer.yml
-    - name: "Fetch haproxy.cfg file from {{ groups.balancers[0] }}"
+    - name: "Fetch haproxy.cfg file from {{ inventory_hostname }}"
       run_once: true
       ansible.builtin.fetch:
         src: /etc/haproxy/haproxy.cfg
         dest: "{{ files_dir | default(playbook_dir ~ '/files') }}/haproxy.cfg"
         validate_checksum: true
         flat: true
       notify: "restart haproxy"
-      delegate_to: "{{ groups.balancers[0] }}"
+      when: "'balancers' in group_names"
 
     - name: Copy haproxy.cfg file to replica
       ansible.builtin.copy:

automation/roles/keepalived/tasks/main.yml

@@ -61,14 +61,14 @@
   tags: keepalived_conf, keepalived
 
 - block: # for add_balancer.yml
-    - name: "Fetch keepalived.conf conf file from {{ groups.balancers[0] }}"
+    - name: "Fetch keepalived.conf conf file from {{ inventory_hostname }}"
       run_once: true
       ansible.builtin.fetch:
         src: /etc/keepalived/keepalived.conf
         dest: "{{ files_dir | default(playbook_dir ~ '/files') }}/keepalived.conf"
         validate_checksum: true
         flat: true
-      delegate_to: "{{ groups.balancers[0] }}"
+      when: "'balancers' in group_names"
 
     - name: Copy keepalived.conf conf file to replica
       ansible.builtin.copy:

automation/roles/patroni/tasks/main.yml

@@ -262,7 +262,7 @@
         dest: "{{ files_dir | default(playbook_dir ~ '/files') }}/patroni.yml"
         validate_checksum: true
         flat: true
-      delegate_to: "{{ groups.master[0] }}"
+      when: "'master' in group_names"
 
     - name: Copy patroni.yml conf file to replica
       ansible.builtin.copy:
@@ -965,7 +965,7 @@
         dest: "{{ files_dir | default(playbook_dir ~ '/files') }}/pg_hba.conf"
         validate_checksum: true
         flat: true
-      delegate_to: "{{ groups.master[0] }}"
+      when: "'master' in group_names"
 
     - name: Prepare PostgreSQL | copy pg_hba.conf file to replica
       ansible.builtin.copy:

automation/roles/pgbackrest/tasks/stanza_create.yml

@@ -36,30 +36,32 @@
     # The delegate_to parameter is used to execute the task on a different host than the one specified in the play's hosts parameter.
     # In this case, the task is delegated to the first host in the pgbackrest group in the invetory.
     - name: Get repo1-path value
-      delegate_to: "{{ groups['pgbackrest'][0] }}"
       run_once: true
       ansible.builtin.set_fact:
         repo1_path: "{{ pgbackrest_server_conf['global'] | selectattr('option', 'equalto', 'repo1-path') | map(attribute='value') | list | first }}"
-      when: pgbackrest_repo_type | lower == 'posix'
+      when:
+        - pgbackrest_repo_type | lower == 'posix'
+        - "'pgbackrest' in group_names"
 
     - name: "Make sure the {{ repo1_path }} directory exists"
-      delegate_to: "{{ groups['pgbackrest'][0] }}"
       run_once: true
       ansible.builtin.file:
         path: "{{ repo1_path }}"
         state: directory
         owner: "{{ pgbackrest_repo_user }}"
         group: "{{ pgbackrest_repo_user }}"
         mode: "0750"
-      when: repo1_path | default('') | length > 0
+      when:
+        - repo1_path | default('') | length > 0
+        - "'pgbackrest' in group_names"
 
     - name: Create stanza "{{ pgbackrest_stanza }}"
       become: true
       become_user: "{{ pgbackrest_repo_user }}"
-      delegate_to: "{{ groups['pgbackrest'][0] }}"
       run_once: true
       ansible.builtin.command: "pgbackrest --stanza={{ pgbackrest_stanza }} --no-online stanza-create"
       register: stanza_create_result
+      when: "'pgbackrest' in group_names"
       changed_when:
         - stanza_create_result.rc == 0
         - stanza_create_result.stdout is not search("already exists")

automation/roles/pgbouncer/tasks/config.yml

@@ -34,7 +34,7 @@
         "SELECT concat('\"', usename, '\" \"', passwd, '\"') FROM pg_shadow where usename != '{{ patroni_replication_username }}'"
       register: pg_shadow_result
       changed_when: false
-      delegate_to: "{{ groups.master[0] }}"
+      when: "'master' in group_names"
 
     - name: "Generate {{ pgbouncer_conf_dir }}/userlist.txt"
       become: true

automation/roles/pgbouncer/tasks/main.yml

@@ -175,7 +175,7 @@
       loop_control:
         index_var: idx
         label: "{{ 'pgbouncer' if idx == 0 else 'pgbouncer-%d' % (idx + 1) }}"
-      delegate_to: "{{ groups.master[0] }}"
+      when: "'master' in group_names"
 
     - name: Fetch userlist.txt conf file from master
       run_once: true
@@ -184,8 +184,9 @@
         dest: "{{ files_dir | default(playbook_dir ~ '/files') }}/"
         validate_checksum: true
         flat: true
-      delegate_to: "{{ groups.master[0] }}"
-      when: not pgbouncer_auth_user|bool
+      when:
+        - not pgbouncer_auth_user|bool
+        - when: "'master' in group_names"
 
     - name: Copy pgbouncer.ini file to replica
       ansible.builtin.copy:

automation/roles/update/tasks/pgbackrest_host.yml

@@ -4,19 +4,19 @@
 - block:
     - name: Gather facts from pgbackrest server
       ansible.builtin.setup:
-      delegate_to: "{{ groups['pgbackrest'][0] }}"
       run_once: true
+      when: "'pgbackrest' in group_names"
 
     - name: Update dnf cache
-      delegate_to: "{{ groups['pgbackrest'][0] }}"
       run_once: true
       ansible.builtin.shell: dnf clean all && dnf -y makecache
       args:
         executable: /bin/bash
-      when: ansible_os_family == "RedHat" and not (skip_dnf_makecache | default(false) | bool)
+      when:
+        - (ansible_os_family == "RedHat" and not (skip_dnf_makecache | default(false) | bool))
+        - "'pgbackrest' in group_names"
 
     - name: Update apt cache
-      delegate_to: "{{ groups['pgbackrest'][0] }}"
       run_once: true
       ansible.builtin.apt:
         update_cache: true
@@ -25,10 +25,11 @@
       until: apt_status is success
       delay: 5
       retries: 3
-      when: ansible_os_family == "Debian"
+      when:
+        - ansible_os_family == "Debian"
+        - "'pgbackrest' in group_names"
 
     - name: Install the latest version of pgbackrest package
-      delegate_to: "{{ groups['pgbackrest'][0] }}"
       run_once: true
       ansible.builtin.package:
         name: pgbackrest
@@ -37,6 +38,7 @@
       until: update_pgbackrest_package is success
       delay: 5
       retries: 3
+      when: "'pgbackrest' in group_names"
   become: true
   become_user: root
   when:

automation/roles/upgrade/tasks/post_upgrade.yml

@@ -122,14 +122,13 @@
 # pgBackRest (dedicated)
 - block:
     - name: pgbackrest | Check pg-path option
-      delegate_to: "{{ groups['pgbackrest'][0] }}"
       run_once: true
       ansible.builtin.command: "grep -c '^pg[0-9]*-path=' {{ pgbackrest_conf_file | dirname }}/conf.d/{{ pgbackrest_stanza }}.conf"
       register: pg_path_count
+      when: "'pgbackrest' in group_names"
       changed_when: false
 
     - name: pgbackrest | Update pg-path in pgbackrest.conf
-      delegate_to: "{{ groups['pgbackrest'][0] }}"
       run_once: true
       ansible.builtin.replace:
         path: "{{ pgbackrest_conf_file | dirname }}/conf.d/{{ pgbackrest_stanza }}.conf"
@@ -139,13 +138,16 @@
       loop_control:
         index_var: idx
         label: "pg{{ idx + 1 }}-path={{ pg_new_datadir }}"
-      when: pg_path_count.stdout | int > 0
+      when:
+        - pg_path_count.stdout | int > 0
+        - "'pgbackrest' in group_names"
 
     - name: pgbackrest | Upgrade stanza "{{ pgbackrest_stanza }}"
-      delegate_to: "{{ groups['pgbackrest'][0] }}"
       run_once: true
       ansible.builtin.command: "pgbackrest --stanza={{ pgbackrest_stanza }} --no-online stanza-upgrade"
-      when: pg_path_count.stdout | int > 0 and pgbackrest_stanza_upgrade | bool
+      when:
+        - pg_path_count.stdout | int > 0 and pgbackrest_stanza_upgrade | bool
+        - "'pgbackrest' in group_names"
   become: true
   become_user: "{{ pgbackrest_repo_user }}"
   ignore_errors: true # show the error and continue the playbook execution

automation/roles/vip_manager/tasks/main.yml

@@ -65,7 +65,7 @@
         dest: "{{ files_dir | default(playbook_dir ~ '/files') }}/{{ vip_manager_conf | basename }}"
         validate_checksum: true
         flat: true
-      delegate_to: "{{ groups.master[0] }}"
+      when: "'master' in group_names"
 
     - name: Copy "{{ vip_manager_conf | basename }}" conf file to replica
       ansible.builtin.copy: