mostly works now and tests on defaults are passing

molecule/default/tests/test_default.py

@@ -3,8 +3,44 @@
 
 def test_hosts_file(host):
     """Validate /etc/hosts file."""
-    f = host.file("/etc/hosts")
+    etc_hosts = host.file("/etc/hosts")
+    assert etc_hosts.exists
+    assert etc_hosts.user == "root"
+    assert etc_hosts.group == "root"
 
-    assert f.exists
-    assert f.user == "root"
-    assert f.group == "root"
+def test_consul_template_config(host):
+    """Validate /etc/consul-template.d/vault/ files."""
+    etc_consul_template_d_vault_config_hcl = host.file("/etc/consul-template.d/vault/vault_config.hcl")
+    assert etc_consul_template_d_vault_config_hcl.exists
+    assert etc_consul_template_d_vault_config_hcl.user == "vault"
+    assert etc_consul_template_d_vault_config_hcl.group == "vault"
+    assert etc_consul_template_d_vault_config_hcl.mode == 0o600
+
+def test_template_files(host):
+    """Validate /etc/consul-template.d/vault/templates/ files."""
+    vault_cert_pem_tpl = host.file("/etc/consul-template.d/vault/templates/vault_cert.pem.tpl")
+    vault_key_pem_tpl = host.file("/etc/consul-template.d/vault/templates/vault_key.pem.tpl")
+    for file in vault_cert_pem_tpl, vault_key_pem_tpl:
+        assert file.exists
+        assert file.user == "vault"
+        assert file.group == "vault"
+        assert file.mode == 0o600
+
+def test_vault_certs_service_file(host):
+    """Validate vault-certs service file."""
+    etc_systemd_system_vault_certs_service = host.file("/etc/systemd/system/vault-certs.service")
+    assert etc_systemd_system_vault_certs_service.exists
+    assert etc_systemd_system_vault_certs_service.user == "root"
+    assert etc_systemd_system_vault_certs_service.group == "root"
+    assert etc_systemd_system_vault_certs_service.mode == 0o644
+    assert etc_systemd_system_vault_certs_service.content_string != ""
+
+def test_vault_certs_service(host):
+    """Validate vault-certs service."""
+    vault_certs_service = host.service("vault-certs.service")
+    assert vault_certs_service.is_enabled
+    assert not vault_certs_service.is_running
+    assert vault_certs_service.systemd_properties["Restart"] == "on-failure"
+    assert vault_certs_service.systemd_properties["User"] == "vault"
+    assert vault_certs_service.systemd_properties["Group"] == "vault"
+    assert vault_certs_service.systemd_properties["FragmentPath"] == "/etc/systemd/system/vault-certs.service"

tasks/prerequisites.yml

@@ -16,7 +16,7 @@
     group: "{{ renew_vault_certificates_vault_group }}"
     mode: '0755'
 
-- name: "Create directory {{ renew_vault_certificates_config_dir }}/templates"
+- name: "Create directory templates directory in {{ renew_vault_certificates_config_dir }}"
   ansible.builtin.file:
     path: "{{ renew_vault_certificates_config_dir }}/templates"
     state: directory

templates/vault-certs.service.j2

@@ -2,11 +2,15 @@
 Description=Automatic renewal of vault certificate using consul-template
 Requires=network-online.target
 After=network-online.target vault.service
+ConditionFileNotEmpty={{ renew_vault_certificates_config_dir }}/vault_config.hcl
 
 [Service]
-Restart=on-failure
+User={{ renew_vault_certificates_vault_user }}
+Group={{ renew_vault_certificates_vault_group }}
 ExecStart=/usr/bin/consul-template $OPTIONS -config={{ renew_vault_certificates_config_dir }}/vault_config.hcl
+ExecReload=/bin/kill --signal HUP $MAINPID
 KillSignal=SIGINT
+Restart=on-failure
 
 [Install]
 WantedBy=multi-user.target