Prefix default variables

roles/alloy/defaults/main.yml

@@ -1,39 +1,39 @@
-version: "1.0.0"
+alloy_version: "1.1.1"
 
 arch_mapping:
   x86_64: amd64
   aarch64: arm64
   armv7l: armhf
   i386: i386
   ppc64le: ppc64le
 
-arch: "{{ arch_mapping[ansible_architecture] | default('amd64') }}"
+__alloy_arch: "{{ arch_mapping[ansible_architecture] | default('amd64') }}"
 
-binary_url: "https://github.com/grafana/alloy/releases/download/v{{ version }}/alloy-linux-{{ arch }}.zip"
+alloy_binary_url: "https://github.com/grafana/alloy/releases/download/v{{ alloy_version }}/alloy-linux-{{ __alloy_arch }}.zip"
 
-service_name: "alloy"
+alloy_service_name: "alloy"
 
-installation_dir: "/usr/local/bin"
+alloy_installation_dir: "/usr/local/bin"
 
-environment_file: "service.env"
+alloy_environment_file: "service.env"
 
-config_dir: "/etc/alloy"
+alloy_config_dir: "/etc/alloy"
 
-config_file: "config.alloy"
+alloy_config_file: "config.alloy"
 
-service_user: "alloy"
+alloy_service_user: "alloy"
 
-service_group: "alloy"
+alloy_service_group: "alloy"
 
-working_dir: "/var/lib/alloy"
+alloy_working_dir: "/var/lib/alloy"
 
-env_file_vars: {}
+alloy_env_file_vars: {}
 
 alloy_flags_extra: {}
 
-start_after_service: ''
+alloy_start_after_service: ''
 
-config: |
+alloy_config: |
   prometheus.scrape "default" {
       targets = [{"__address__" = "localhost:12345"}]
       forward_to = [prometheus.remote_write.prom.receiver]

roles/alloy/handlers/main.yml

@@ -1,6 +1,6 @@
 - name: Restart alloy
   ansible.builtin.systemd:
-    name: "{{ service_name }}"
+    name: "{{ alloy_service_name }}"
     state: restarted
   become: true
   listen: "Restart alloy"

roles/alloy/tasks/configure.yml

@@ -1,37 +1,37 @@
 - name: Create alloy working directory
   ansible.builtin.file:
-    path: "{{ working_dir }}"
+    path: "{{ alloy_working_dir }}"
     state: directory
-    owner: "{{ service_user }}"
-    group: "{{ service_group }}"
+    owner: "{{ alloy_service_user }}"
+    group: "{{ alloy_service_group }}"
     mode: "0755"
   become: true
 
 - name: Create alloy config directory
   ansible.builtin.file:
-    path: "{{ config_dir }}"
+    path: "{{ alloy_config_dir }}"
     state: directory
-    owner: "{{ service_user }}"
-    group: "{{ service_group }}"
+    owner: "{{ alloy_service_user }}"
+    group: "{{ alloy_service_group }}"
     mode: '0755'
   become: true
 
 - name: Deploy alloy configuration file
   ansible.builtin.template:
     src: config.alloy.j2
-    dest: "{{ config_dir }}/{{ config_file }}"
-    owner: "{{ service_user }}"
-    group: "{{ service_group }}"
+    dest: "{{ alloy_config_dir }}/{{ alloy_config_file }}"
+    owner: "{{ alloy_service_user }}"
+    group: "{{ alloy_service_group }}"
     mode: '0644'
   notify: Restart alloy
   become: true
 
 - name: Deploy alloy environment file
   ansible.builtin.template:
     src: environment.j2
-    dest: "{{ config_dir }}/{{ environment_file }}"
-    owner: "{{ service_user }}"
-    group: "{{ service_group }}"
+    dest: "{{ alloy_config_dir }}/{{ alloy_environment_file }}"
+    owner: "{{ alloy_service_user }}"
+    group: "{{ alloy_service_group }}"
     mode: '0644'
   notify: Restart alloy
   become: true

roles/alloy/tasks/ga-started.yml

@@ -15,9 +15,9 @@
 - name: Check system logs if Grafana Alloy is not started
   when: not ansible_check_mode and _result.status != 200
   block:
     - name: Run journalctl
       ansible.builtin.shell:
-        cmd: "journalctl -u {{ service_name }} -b -n20 --no-pager"
+        cmd: "journalctl -u {{ alloy_service_name }} -b -n20 --no-pager"
       register: journal_ret
       changed_when: false
     - name: Output Grafana Alloy logs
@@ -26,4 +26,4 @@
     - name: Raise alerts
       ansible.builtin.assert:
         that: false
-        fail_msg: "Service {{ service_name }} hasn't started."
+        fail_msg: "Service {{ alloy_service_name }} hasn't started."

roles/alloy/tasks/install.yml

@@ -6,37 +6,37 @@
 
 - name: Create alloy group
   ansible.builtin.group:
-    name: "{{ service_group }}"
+    name: "{{ alloy_service_group }}"
     system: true
   become: true
 
 - name: Create alloy user
   ansible.builtin.user:
-    name: "{{ service_user }}"
-    groups: "{{ [ service_group ] + alloy_user_groups }}"
+    name: "{{ alloy_service_user }}"
+    groups: "{{ [ alloy_service_group ] + alloy_user_groups }}"
     system: true
     create_home: false  # Appropriate for a system user, usually doesn't need a home directory
   become: true
 
 - name: Download alloy binary
   ansible.builtin.get_url:
-    url: "{{ binary_url }}"
-    dest: "/tmp/alloy-{{ version }}.zip"
+    url: "{{ alloy_binary_url }}"
+    dest: "/tmp/alloy-{{ alloy_version }}.zip"
     mode: '0755'
   become: true
   register: download_result
 
 - name: Remove existing alloy binary
   ansible.builtin.file:
-    path: "{{ installation_dir }}/alloy-linux-{{ arch }}"
+    path: "{{ alloy_installation_dir }}/alloy-linux-{{ __alloy_arch }}"
     state: absent
   become: true
   when: download_result.changed
 
 - name: Extract alloy binary
   ansible.builtin.unarchive:
-    src: "/tmp/alloy-{{ version }}.zip"
-    dest: "{{ installation_dir }}"
+    src: "/tmp/alloy-{{ alloy_version }}.zip"
+    dest: "{{ alloy_installation_dir }}"
     remote_src: yes
   become: true
   register: extract_result

roles/alloy/tasks/service.yml

@@ -1,7 +1,7 @@
 - name: Copy alloy systemd unit file
   ansible.builtin.template:
     src: alloy.service.j2
-    dest: /etc/systemd/system/{{ service_name }}.service
+    dest: /etc/systemd/system/{{ alloy_service_name }}.service
     mode: "0644"
   become: true
   notify: Restart alloy
@@ -16,7 +16,7 @@
 
 - name: Ensure alloy service is enabled and running
   ansible.builtin.service:
-    name: "{{ service_name }}"
+    name: "{{ alloy_service_name }}"
     enabled: yes
     state: started
   become: true

roles/alloy/templates/alloy.service.j2

@@ -6,12 +6,12 @@ After=network-online.target{{ ' ' + start_after_service if start_after_service i
 
 [Service]
 Restart=always
-User={{ service_user }}
-Group={{ service_group }}
+User={{ alloy_service_user }}
+Group={{ alloy_service_group }}
 Environment=HOSTNAME=%H
-EnvironmentFile={{ config_dir }}/{{ environment_file }}
-WorkingDirectory={{ working_dir }}
-ExecStart={{ installation_dir }}/alloy-linux-{{ arch }} run \
+EnvironmentFile={{ alloy_config_dir }}/{{ alloy_environment_file }}
+WorkingDirectory={{ alloy_working_dir }}
+ExecStart={{ alloy_installation_dir }}/alloy-linux-{{ __alloy_arch }} run \
 {% for flag, flag_value in alloy_flags_extra.items() %}
 {% if not flag_value %}
   --{{ flag }} \
@@ -23,7 +23,7 @@ ExecStart={{ installation_dir }}/alloy-linux-{{ arch }} run \
 {% endfor %}
 {% endif %}
 {% endfor %}
-    $CUSTOM_ARGS --storage.path={{ working_dir }} $CONFIG_FILE
+    $CUSTOM_ARGS --storage.path={{ alloy_working_dir }} $CONFIG_FILE
 ExecReload=/usr/bin/env kill -HUP $MAINPID
 TimeoutStopSec=20s
 SendSIGKILL=no

roles/alloy/templates/config.alloy.j2

@@ -1 +1 @@
-{{ config }}
+{{ alloy_config }}

roles/alloy/templates/environment.j2

@@ -1,10 +1,10 @@
 {{ ansible_managed | comment }}
 # Grafana Alloy Environment File
-CONFIG_FILE="{{ config_dir }}/{{ config_file }}"
+CONFIG_FILE="{{ alloy_config_dir }}/{{ alloy_config_file }}"
 
 GOMAXPROCS={{ ansible_processor_vcpus|default(ansible_processor_count) }}
 RESTART_ON_UPGRADE=true
 
-{% for key, value in env_file_vars.items() %}
+{% for key, value in alloy_env_file_vars.items() %}
 {{key}}={{value}}
 {% endfor %}