fix: remove old internal variable remnants

Signed-off-by: gardar <gardar@users.noreply.github.com>

roles/prometheus/tasks/configure.yml

@@ -70,7 +70,7 @@
     owner: "{{ prometheus_system_user }}"
     group: "{{ prometheus_system_group }}"
     mode: 0640
-    validate: "{{ _prometheus_binary_install_dir }}/promtool check rules %s"
+    validate: "{{ prometheus_binary_install_dir }}/promtool check rules %s"
   when:
     - prometheus_alert_rules != []
     - not prometheus_agent_mode
@@ -89,7 +89,7 @@
     owner: "{{ prometheus_system_user }}"
     group: "{{ prometheus_system_group }}"
     mode: 0640
-    validate: "{{ _prometheus_binary_install_dir }}/promtool check rules %s"
+    validate: "{{ prometheus_binary_install_dir }}/promtool check rules %s"
   loop: "{{ prometheus_alert_rules_files | map('ansible.builtin.fileglob') | flatten }}"
   when:
     - not prometheus_agent_mode
@@ -109,7 +109,7 @@
     owner: "{{ prometheus_system_user }}"
     group: "{{ prometheus_system_group }}"
     mode: 0640
-    validate: "{{ _prometheus_binary_install_dir }}/promtool check config %s"
+    validate: "{{ prometheus_binary_install_dir }}/promtool check config %s"
   no_log: "{{ false if (lookup('env', 'CI')) or (lookup('env', 'MOLECULE_PROVISIONER_NAME')) else true }}"
   notify:
     - reload prometheus

roles/prometheus/templates/prometheus.service.j2

@@ -12,7 +12,7 @@ Environment="GOMAXPROCS={{ ansible_processor_vcpus|default(ansible_processor_cou
 User={{ prometheus_system_user }}
 Group={{ prometheus_system_group }}
 ExecReload=/bin/kill -HUP $MAINPID
-ExecStart={{ _prometheus_binary_install_dir }}/prometheus \
+ExecStart={{ prometheus_binary_install_dir }}/prometheus \
 {% if not prometheus_agent_mode %}
   --storage.tsdb.path={{ prometheus_db_dir }} \
 {% if prometheus_version is version('2.7.0', '>=') %}

roles/prometheus/vars/main.yml

@@ -4,7 +4,6 @@ _prometheus_go_ansible_arch: "{{ {'i386': '386',
                               'aarch64': 'arm64',
                               'armv7l': 'armv7',
                               'armv6l': 'armv6'}.get(ansible_architecture, ansible_architecture) }}"
-_prometheus_binary_install_dir: '/usr/local/bin'
 
 _prometheus_repo: "prometheus/prometheus"
 _github_api_headers: "{{ {'GITHUB_TOKEN': lookup('ansible.builtin.env', 'GITHUB_TOKEN')} if (lookup('ansible.builtin.env', 'GITHUB_TOKEN')) else {} }}"