add role "consul"

Author: vitabaks

.gitignore

@@ -0,0 +1 @@
+.DS_Store

consul.yml

@@ -0,0 +1,71 @@
+---
+
+- hosts: consul_instances
+  become: true
+  become_method: sudo
+  any_errors_fatal: true
+  gather_facts: true
+  vars_files:
+    - vars/main.yml
+    - vars/system.yml
+
+  pre_tasks:
+    - name: Include OS-specific variables
+      include_vars: "vars/{{ ansible_os_family }}.yml"
+      when: not ansible_os_family == 'Rocky' and not ansible_os_family == 'AlmaLinux'
+      tags: always
+
+    # For compatibility with Ansible old versions
+    # (support for RockyLinux and AlmaLinux has been added to Ansible 2.11)
+    - name: Include OS-specific variables
+      include_vars: "vars/RedHat.yml"
+      when: ansible_os_family == 'Rocky' or ansible_os_family == 'AlmaLinux'
+      tags: always
+
+    - name: Update apt cache
+      apt:
+        update_cache: true
+        cache_valid_time: 3600
+      environment: "{{ proxy_env | default({}) }}"
+      when: ansible_os_family == "Debian" and installation_method == "repo"
+
+    - name: Make sure the gnupg and apt-transport-https packages are present
+      apt:
+        pkg:
+          - gnupg
+          - apt-transport-https
+        state: present
+      environment: "{{ proxy_env | default({}) }}"
+      when: ansible_os_family == "Debian" and installation_method == "repo"
+
+    - name: Build a firewall_ports_dynamic_var
+      set_fact:
+        firewall_ports_dynamic_var: "{{ firewall_ports_dynamic_var | default([]) + (firewall_allowed_tcp_ports_for[item]) }}"
+      loop: "{{ hostvars[inventory_hostname].group_names }}"
+      when: firewall_enabled_at_boot|bool
+      tags: firewall
+
+    - name: Build a firewall_rules_dynamic_var
+      set_fact:
+        firewall_rules_dynamic_var: "{{ firewall_rules_dynamic_var | default([]) + (firewall_additional_rules_for[item]) }}"
+      loop: "{{ hostvars[inventory_hostname].group_names }}"
+      when: firewall_enabled_at_boot|bool
+      tags: firewall
+
+  roles:
+    - role: ansible-role-firewall
+      environment: "{{ proxy_env | default({}) }}"
+      vars:
+        firewall_allowed_tcp_ports: "{{ firewall_ports_dynamic_var | unique }}"
+        firewall_additional_rules: "{{ firewall_rules_dynamic_var | unique }}"
+      when: firewall_enabled_at_boot|bool
+      tags: firewall
+
+    - role: hostname
+    - role: etc_hosts
+    - role: timezone
+    - role: ntp
+
+    - role: consul
+
+...

deploy_pgcluster.yml

@@ -22,6 +22,10 @@
   when: not dcs_exists|bool and dcs_type == "etcd"
   tags: etcd
 
+- import_playbook: consul.yml
+  when: not dcs_exists|bool and dcs_type == "consul"
+  tags: consul
+
 - hosts: postgres_cluster
   become: true
   become_method: sudo

inventory

@@ -1,24 +1,32 @@
-# This is example inventory file!
 # Please specify the ip addresses and connection settings for your environment
 # The specified ip addresses will be used to listen by the cluster components.
 
 # "postgresql_exists='true'" if PostgreSQL is already exists and running
 # "hostname=" variable is optional (used to change the server name)
 
-# if dcs_exists: false and dcs_type: "etcd" (in vars/main.yml)
-[etcd_cluster]  # recommendation: 3 or 5-7 nodes
+# In this example, all components will be installed on PostgreSQL nodes.
+# You can deploy the haproxy balancers and the etcd or consul cluster on other dedicated servers (recomended).
+
+# if dcs_exists: false and dcs_type: "etcd"
+[etcd_cluster]  # recommendation: 3, or 5-7 nodes
 10.128.64.140
 10.128.64.142
 10.128.64.143
 
+# if dcs_exists: false and dcs_type: "consul"
+[consul_instances]  # recommendation: 3 or 5-7 nodes
+10.128.64.140 consul_datacenter=dc1 consul_node_role=server consul_bootstrap_expect=true
+10.128.64.142 consul_datacenter=dc1 consul_node_role=server consul_bootstrap_expect=true
+10.128.64.143 consul_datacenter=dc1 consul_node_role=server consul_bootstrap_expect=true
+#10.128.64.144 consul_node_role=client
+#10.128.64.145 consul_node_role=client
 
-# if with_haproxy_load_balancing: true (in vars/main.yml)
+# if with_haproxy_load_balancing: true
 [balancers]
 10.128.64.140
 10.128.64.142
 10.128.64.143
 
-
 # PostgreSQL nodes
 [master]
 10.128.64.140 hostname=pgnode01 postgresql_exists='false'
@@ -31,12 +39,7 @@
 master
 replica
 
-
-# In this example, all components will be installed on PostgreSQL nodes
-# You can deploy the etcd cluster and the haproxy balancers on other dedicated servers. 
-
-
-# if pgbackrest_install: true and "repo_host" is set (in vars/main.yml)
+# if pgbackrest_install: true and "repo_host" is set
 [pgbackrest]  # optional (Dedicated Repository Host)
 
 
@@ -46,8 +49,8 @@ ansible_connection='ssh'
 ansible_ssh_port='22'
 ansible_user='root'
 ansible_ssh_pass='secretpassword'  # "sshpass" package is required for use "ansible_ssh_pass"
-# ansible_ssh_private_key_file=
-# ansible_python_interpreter='/usr/bin/python3'  # is required for use python3
+#ansible_ssh_private_key_file=
+#ansible_python_interpreter='/usr/bin/python3'  # is required for use python3
 
 [pgbackrest:vars]
 ansible_user='postgres'