Initial Cezen AI Suite installer — Entry tier

ansible/roles/mlflow/tasks/main.yml

@@ -0,0 +1,56 @@
+---
+# MLflow — experiment tracking and model registry
+- name: Install MLflow in cezen conda env
+  become_user: cezen
+  shell: |
+    /opt/cezen/miniconda/bin/conda run -n cezen pip install mlflow boto3
+  retries: 3
+  delay: 10
+
+- name: Create MLflow directories
+  file:
+    path: "{{ item }}"
+    state: directory
+    owner: cezen
+    group: cezen
+  loop:
+    - /opt/cezen/data/mlflow
+    - /opt/cezen/data/mlflow/artifacts
+
+- name: Create MLflow systemd service
+  copy:
+    dest: /etc/systemd/system/mlflow.service
+    content: |
+      [Unit]
+      Description=MLflow Tracking Server
+      After=network.target minio.service
+
+      [Service]
+      Type=simple
+      User=cezen
+      Group=cezen
+      ExecStart=/opt/cezen/miniconda/envs/cezen/bin/mlflow server \
+        --host 0.0.0.0 \
+        --port 5000 \
+        --backend-store-uri sqlite:///opt/cezen/data/mlflow/mlflow.db \
+        --default-artifact-root /opt/cezen/data/mlflow/artifacts
+      Restart=always
+      RestartSec=5
+      Environment="PATH=/opt/cezen/miniconda/envs/cezen/bin:/usr/local/bin:/usr/bin:/bin"
+
+      [Install]
+      WantedBy=multi-user.target
+    mode: "0644"
+
+- name: Enable and start MLflow
+  systemd:
+    name: mlflow
+    enabled: yes
+    state: started
+    daemon_reload: yes
+
+- name: Wait for MLflow to be ready
+  wait_for:
+    host: localhost
+    port: 5000
+    timeout: 30