Deploy billing-service from build artifact

deploy_billing_service.yml

@@ -3,9 +3,12 @@
   gather_facts: true
   become: true
   vars:
-    billing_service_source_dir: >-
-      {{ lookup('ansible.builtin.env', 'BILLING_SERVICE_SOURCE_DIR')
-         | default(playbook_dir ~ '/../billing-service', true) }}
+    billing_service_binary_artifact: >-
+      {{ lookup('ansible.builtin.env', 'BILLING_SERVICE_BINARY_ARTIFACT')
+         | default('', true) }}
+    billing_service_image_ref: >-
+      {{ lookup('ansible.builtin.env', 'BILLING_SERVICE_IMAGE_REF')
+         | default('', true) }}
     billing_service_exporter_base_url: >-
       {{ lookup('ansible.builtin.env', 'EXPORTER_BASE_URL')
          | default('http://127.0.0.1:8080', true) }}
@@ -39,6 +42,35 @@
       {{ lookup('ansible.builtin.env', 'INITIAL_BALANCE')
          | default('0', true) }}
   pre_tasks:
+    - name: Validate BILLING_SERVICE_BINARY_ARTIFACT is present
+      ansible.builtin.assert:
+        that:
+          - billing_service_binary_artifact | length > 0
+        fail_msg: "BILLING_SERVICE_BINARY_ARTIFACT must be exported before running this playbook."
+        success_msg: "BILLING_SERVICE_BINARY_ARTIFACT found"
+    - name: Validate BILLING_SERVICE_BINARY_ARTIFACT exists
+      ansible.builtin.stat:
+        path: "{{ billing_service_binary_artifact }}"
+      register: billing_service_binary_artifact_stat
+      delegate_to: localhost
+      become: false
+      run_once: true
+    - name: Assert BILLING_SERVICE_BINARY_ARTIFACT exists on controller
+      ansible.builtin.assert:
+        that:
+          - billing_service_binary_artifact_stat.stat.exists
+          - billing_service_binary_artifact_stat.stat.isreg
+        fail_msg: "BILLING_SERVICE_BINARY_ARTIFACT must point to an existing binary artifact."
+        success_msg: "BILLING_SERVICE_BINARY_ARTIFACT exists"
+      delegate_to: localhost
+      become: false
+      run_once: true
+    - name: Validate BILLING_SERVICE_IMAGE_REF is present
+      ansible.builtin.assert:
+        that:
+          - billing_service_image_ref | length > 0
+        fail_msg: "BILLING_SERVICE_IMAGE_REF must be exported before running this playbook."
+        success_msg: "BILLING_SERVICE_IMAGE_REF found"
     - name: Validate DATABASE_URL is present
       ansible.builtin.assert:
         that:

roles/vhosts/billing-service/defaults/main.yml

@@ -1,11 +1,9 @@
 ---
-billing_service_source_dir: "{{ playbook_dir }}/../billing-service"
 billing_service_app_dir: "/opt/billing-service"
-billing_service_go_version: "1.25.1"
-billing_service_go_root: "/usr/local/go"
-billing_service_go_bin: "{{ billing_service_go_root }}/bin/go"
 billing_service_binary_name: "billing-service"
 billing_service_binary_path: "/usr/local/bin/{{ billing_service_binary_name }}"
+billing_service_binary_artifact: ""
+billing_service_image_ref: ""
 billing_service_service_name: "billing-service"
 billing_service_service_description: "billing-service service"
 billing_service_user: "root"

roles/vhosts/billing-service/tasks/main.yml

@@ -1,45 +1,3 @@
----
-- name: Map Go architecture
-  ansible.builtin.set_fact:
-    billing_service_go_arch: >-
-      {{ 'arm64' if ansible_architecture in ['aarch64', 'arm64'] else 'amd64' }}
-
-- name: Ensure billing-service build prerequisites are installed
-  ansible.builtin.apt:
-    name:
-      - curl
-      - ca-certificates
-      - tar
-      - rsync
-    state: present
-    update_cache: true
-
-- name: Check installed Go version
-  ansible.builtin.command: "{{ billing_service_go_bin }} version"
-  register: billing_service_go_version_check
-  changed_when: false
-  failed_when: false
-
-- name: Download Go toolchain archive
-  ansible.builtin.get_url:
-    url: "https://go.dev/dl/go{{ billing_service_go_version }}.linux-{{ billing_service_go_arch }}.tar.gz"
-    dest: "/tmp/go{{ billing_service_go_version }}.linux-{{ billing_service_go_arch }}.tar.gz"
-    mode: "0644"
-  when: billing_service_go_version_check.rc != 0 or ('go' ~ billing_service_go_version) not in billing_service_go_version_check.stdout
-
-- name: Remove previous Go installation
-  ansible.builtin.file:
-    path: "{{ billing_service_go_root }}"
-    state: absent
-  when: billing_service_go_version_check.rc != 0 or ('go' ~ billing_service_go_version) not in billing_service_go_version_check.stdout
-
-- name: Install Go toolchain
-  ansible.builtin.unarchive:
-    src: "/tmp/go{{ billing_service_go_version }}.linux-{{ billing_service_go_arch }}.tar.gz"
-    dest: "/usr/local"
-    remote_src: true
-  when: billing_service_go_version_check.rc != 0 or ('go' ~ billing_service_go_version) not in billing_service_go_version_check.stdout
-
 - name: Create billing-service directories
   ansible.builtin.file:
     path: "{{ item }}"
@@ -51,22 +9,13 @@
     - "{{ billing_service_app_dir }}"
     - "{{ billing_service_env_dir }}"
 
-- name: Sync billing-service source tree
-  ansible.posix.synchronize:
-    src: "{{ billing_service_source_dir }}/"
-    dest: "{{ billing_service_app_dir }}/"
-    delete: true
-  notify: Restart billing-service
-
-- name: Build billing-service binary
-  ansible.builtin.command: >-
-    {{ billing_service_go_bin }} build -buildvcs=false -o {{ billing_service_binary_path }} ./cmd/billing-service
-  args:
-    chdir: "{{ billing_service_app_dir }}"
-  environment:
-    GOROOT: "{{ billing_service_go_root }}"
-    PATH: "{{ billing_service_go_root }}/bin:{{ ansible_env.PATH }}"
-    GOTOOLCHAIN: local
+- name: Deploy billing-service binary artifact
+  ansible.builtin.copy:
+    src: "{{ billing_service_binary_artifact }}"
+    dest: "{{ billing_service_binary_path }}"
+    owner: "{{ billing_service_user }}"
+    group: "{{ billing_service_group }}"
+    mode: "0755"
   notify: Restart billing-service
 
 - name: Ensure billing-service binary permissions

roles/vhosts/billing-service/templates/billing-service.env.j2

@@ -1,3 +1,4 @@
+IMAGE={{ billing_service_image_ref }}
 EXPORTER_BASE_URL={{ billing_service_exporter_base_url }}
 EXPORTER_SOURCES_JSON={{ billing_service_exporter_sources_json }}
 INTERNAL_SERVICE_TOKEN={{ billing_service_internal_service_token }}