feat(consul): add initial simple consul cluster

molecule/no_tls_multi_node/.vault_password

@@ -0,0 +1,2 @@
+#! /bin/sh
+vault kv get --field=password kv_hs/ansible/ansible_vault

molecule/no_tls_multi_node/ansible.cfg

@@ -0,0 +1,8 @@
+[defaults]
+nocows = true
+ansible_python_interpreter=/usr/bin/python3
+pipelining = true
+host_key_checking = false
+deprecation_warnings = true
+callbacks_enabled = profile_tasks, profile_roles
+vault_password_file = .vault_password

molecule/no_tls_multi_node/etc/hashistack/globals.yml

@@ -117,3 +117,9 @@ hashi_vault_version: "latest"
 #      #tls_cert_file: "{{ hashi_vault_data_dir }}/tls/cert.pem"
 #      #tls_key_file: "{{ hashi_vault_data_dir }}/tls/key.pem"
 #  storage: "{{ vault_storage_configuration }}"
+
+vault_extra_configuration:
+  user_lockout:
+    all:
+      lockout_duration: "10m"
+      lockout_counter_reset: "10m"

playbooks/bootstrap.yml

@@ -14,6 +14,7 @@
           - name: hvac
             version_constraint: latest
             state: present
+      when: "'vault_servers' in group_names"
 
     - name: "Include ednxzu.install_docker"
       ansible.builtin.include_role:

playbooks/deploy.yml

@@ -18,8 +18,23 @@
       ansible.builtin.debug:
         msg: "{{ hashi_vault_configuration }}"
 
+    - name: "Debug"
+      ansible.builtin.debug:
+        msg: "{{ hashi_consul_configuration }}"
+
     # - ansible.builtin.fail:
 
+    - name: "Consul"
+      when:
+        - enable_consul | bool
+        - "'consul_servers' in group_names"
+      tags:
+        - consul
+      block:
+        - name: "Include ednxzu.hashistack.hashicorp_consul"
+          ansible.builtin.include_role:
+            name: ednxzu.hashistack.hashicorp_consul
+
     - name: "Vault"
       when:
         - enable_vault | bool
@@ -27,7 +42,7 @@
       tags:
         - vault
       block:
-        - name: "Include ednxzu.hashicorp_vault"
+        - name: "Include ednxzu.hashistack.hashicorp_consul"
           ansible.builtin.include_role:
             name: ednxzu.hashistack.hashicorp_vault
 
@@ -61,26 +76,15 @@
           ednxzu.hashistack.vault_unseal:
             api_url: "{{ hashi_vault_configuration['api_addr'] }}"
             key_shares: "{{ _vault_cluster_config['keys'] }}"
-            # max_retries: "{{ (_vault_cluster_config['keys'] | length) - 1 }}"
           run_once: true
           delegate_to: "{{ groups['vault_servers'] | first }}"
           when: _vault_init_secret.changed
           register: _vault_unseal_secret
 
-        - name: "Print unseal status"
-          ansible.builtin.debug:
-            msg: "{{ _vault_unseal_secret }}"
-
         - name: "Unseal all vault nodes"
           ednxzu.hashistack.vault_unseal:
             api_url: "{{ hashi_vault_configuration['api_addr'] }}"
             key_shares: "{{ _vault_cluster_config['keys'] }}"
-            # max_retries: "{{ (_vault_cluster_config['keys'] | length) - 1 }}"
           retries: 5
           delay: 5
           register: _unseal_status
-          until: _unseal_status.changed
-
-        - name: "Print unseal status"
-          ansible.builtin.debug:
-            msg: "{{ _unseal_status }}"

playbooks/group_vars/all.yml

@@ -3,8 +3,8 @@
 # General options ########
 ##########################
 
-enable_vault: "yes"
+enable_vault: "no"
-enable_consul: "no"
+enable_consul: "yes"
 enable_nomad: "no"
 
 deployment_method: "host"
@@ -65,17 +65,103 @@ hashi_nomad_configuration: {}
 # Consul options #########
 ##########################
 
+consul_domain: consul
+consul_datacenter: dc1
+consul_primary_datacenter: dc1
+consul_leave_on_terminate: true
+consul_rejoin_after_leave: true
+consul_enable_script_checks: true
+
+##############################
+# consul address configuration
+##############################
+
+consul_address_configuration:
+  # The address to which Consul will bind client interfaces,
+  # including the HTTP and DNS servers.
+  client_addr: "0.0.0.0"
+  # The address that should be bound to for internal cluster communications.
+  bind_addr: "{{ api_interface_address }}"
+  # The advertise address is used to change the address that we advertise to other nodes in the cluster.
+  advertise_addr: "{{ api_interface_address }}"
+
+##########################
+# consul ACL configuration
+##########################
+
+consul_acl_configuration:
+  enabled: false
+  default_policy: "allow" # can be allow or deny
+  enable_token_persistence: true
+
+#####################
+# extra configuration
+#####################
+
+consul_extra_configuration: {}
+
+##########################
+# consul DNS configuration
+##########################
+
+consul_dns_configuration:
+  allow_stale: true
+  enable_truncate: true
+  only_passing: true
+
 hashi_consul_start_service: true
 hashi_consul_version: latest
-hashi_consul_deploy_method: host # deployment method, either host or docker.
+hashi_consul_deploy_method: "{{ deployment_method }}"
 hashi_consul_env_variables: {}
+hashi_cosul_config_dir: "/etc/consul.d"
 hashi_consul_data_dir: "/opt/consul"
 hashi_consul_extra_files: false
-hashi_consul_extra_files_src: /tmp/extra_files
+hashi_consul_extra_files_src: "{{ sub_configuration_directories.consul_servers }}/config"
-hashi_consul_extra_files_dst: /etc/consul.d/extra_files
+hashi_consul_extra_files_dst: "{{ hashi_consul_config_dir }}/config"
 hashi_consul_envoy_install: false
 hashi_consul_envoy_version: latest
-hashi_consul_configuration: {}
+hashi_consul_configuration:
+  domain: "{{ consul_domain }}"
+  datacenter: "{{ consul_datacenter }}"
+  primary_datacenter: "{{ consul_primary_datacenter }}"
+  data_dir: "{{ hashi_consul_data_dir }}"
+  encrypt: "{{ 'mysupersecretgossipencryptionkey'|b64encode }}"
+  server: "{{ 'consul_servers' in group_names }}"
+  retry_join: "{{
+    groups['consul_servers'] |
+    map('extract', hostvars, ['consul_address_configuration', 'bind_addr']) |
+    list |
+    to_json |
+    from_json
+    }}"
+  ui_config:
+    enabled: true
+  connect:
+    enabled: false
+  leave_on_terminate: true
+  rejoin_after_leave: true
+  enable_script_checks: true
+  enable_syslog: true
+  log_level: INFO
+  acl: "{{ consul_acl_configuration }}"
+  dns_config: "{{ consul_dns_configuration }}"
+  ports:
+    dns: 8600
+    http: 8500
+    https: -1
+    grpc: 8502
+    grpc_tls: 8503
+    server: 8300
+    serf_lan: 8301
+    serf_wan: 8302
+    sidecar_min_port: 21000
+    sidecar_max_port: 21255
+    expose_min_port: 21500
+    expose_max_port: 21755
+
+# this is used to circumvent jinja limitation to convert string to integer
+hashi_consul_configuration_string: |
+  bootstrap_expect: {{ (groups['consul_servers'] | length) }}
 
 ##########################
 # Vault options ##########
@@ -123,6 +209,7 @@ vault_extra_listener_configuration: {}
 ######################
 # service registration
 ######################
+
 vault_enable_service_registration: false
 vault_service_registration_configuration:
   consul:

playbooks/tasks/consul_vars.yml

@@ -0,0 +1,31 @@
+---
+# hashistack configuration merging for consul
+- name: "Consul | Merge stringified configuration"
+  vars:
+    _config_to_merge: "{{ hashi_consul_configuration_string }}"
+  ansible.builtin.set_fact:
+    hashi_consul_configuration: "{{
+      hashi_consul_configuration |
+      combine(_config_to_merge|from_yaml)
+      }}"
+  when: hashi_consul_configuration_string is defined
+
+- name: "Consul | Merge addresses configuration"
+  vars:
+    _config_to_merge: "{{ consul_address_configuration }}"
+  ansible.builtin.set_fact:
+    hashi_consul_configuration: "{{
+      hashi_consul_configuration |
+      combine(_config_to_merge)
+      }}"
+  when: consul_address_configuration is defined
+
+- name: "Consul | Merge extra configuration settings"
+  vars:
+    _config_to_merge: "{{ consul_extra_configuration }}"
+  ansible.builtin.set_fact:
+    hashi_consul_configuration: "{{
+      hashi_consul_configuration |
+      combine(_config_to_merge)
+      }}"
+  when: consul_extra_configuration is defined

playbooks/tasks/load_vars.yml

@@ -64,6 +64,13 @@
         loop_var: item
       delegate_to: localhost
 
+- name: "Merge consul configurations"
+  ansible.builtin.import_tasks:
+    file: "consul_vars.yml"
+  when:
+    - enable_consul | bool
+    - "'consul_servers' in group_names"
+
 - name: "Merge vault configurations"
   ansible.builtin.import_tasks:
     file: "vault_vars.yml"

plugins/modules/vault_unseal.py

@@ -85,7 +85,6 @@ def run_module():
         api_url=dict(type="str", required=True),
         key_shares=dict(type="list", required=False, default=[]),
     )
-
     result = dict(changed=False, state="")
 
     module = AnsibleModule(argument_spec=module_args, supports_check_mode=True)
@@ -98,25 +97,24 @@ def run_module():
     if module.check_mode:
         module.exit_json(**result)
 
-    # Initialize HashiCorp Vault client
     client = hvac.Client(url=module.params["api_url"])
 
-    # Check if Vault is sealed
     if not client.sys.is_sealed():
         module.exit_json(**result)
 
-    # Unseal Vault
     try:
         key_shares = module.params["key_shares"]
         vault_unseal_result = client.sys.submit_unseal_keys(key_shares)
         result["state"] = vault_unseal_result
-    except hvac.exceptions.VaultError as ve:
-        module.fail_json(msg=f"Vault unsealing failed: {ve}")
 
         if client.sys.is_sealed():
             module.fail_json(msg="Vault unsealing failed.")
-
+        else:
             result["changed"] = True
+
+    except hvac.exceptions.VaultError as ve:
+        module.fail_json(msg=f"Vault unsealing failed: {ve}")
+
     module.exit_json(**result)