Provision Netron and Lab 1 local assets

ansible/roles/directories/tasks/main.yml

@@ -15,10 +15,10 @@
     - "{{ courseware_tools_dir }}"
     - "{{ courseware_apps_dir }}"
     - "{{ courseware_downloads_dir }}"
+    - "{{ courseware_lab1_dir }}"
     - "{{ courseware_lab2_dir }}"
-    - "{{ courseware_safe_homes_dir }}"
-    - "{{ courseware_transformerlab_home }}"
     - "{{ courseware_unsloth_home }}"
+    - "{{ courseware_lab1_models_dir }}"
     - "{{ courseware_ollama_models_dir }}"
 
 - name: Seed managed ownership markers
@@ -27,40 +27,8 @@
     state: touch
     mode: "0644"
   loop:
-    - "{{ courseware_transformerlab_home }}/.courseware-managed"
     - "{{ courseware_unsloth_home }}/.courseware-managed"
 
-- name: Check existing TransformerLab path
-  stat:
-    path: "{{ ansible_env.HOME }}/.transformerlab"
-    follow: false
-  register: courseware_transformerlab_link
-
-- name: Check existing TransformerLab ownership marker
-  stat:
-    path: "{{ ansible_env.HOME }}/.transformerlab/.courseware-managed"
-  register: courseware_transformerlab_marker
-
-- name: Fail if TransformerLab path is already occupied
-  fail:
-    msg: "{{ ansible_env.HOME }}/.transformerlab already exists and is not managed by this project."
-  when:
-    - courseware_transformerlab_link.stat.exists
-    - >
-      (
-        (not courseware_transformerlab_link.stat.islnk) or
-        (courseware_transformerlab_link.stat.islnk and
-         courseware_transformerlab_link.stat.lnk_source != courseware_transformerlab_home)
-      ) and
-      (not courseware_transformerlab_marker.stat.exists)
-
-- name: Link TransformerLab home into project state
-  file:
-    src: "{{ courseware_transformerlab_home }}"
-    dest: "{{ ansible_env.HOME }}/.transformerlab"
-    state: link
-    force: true
-
 - name: Check existing Unsloth path
   stat:
     path: "{{ ansible_env.HOME }}/.unsloth"

ansible/roles/lab1_assets/tasks/main.yml

@@ -0,0 +1,71 @@
+- name: Ensure Lab 1 model directory exists
+  file:
+    path: "{{ courseware_lab1_models_dir }}"
+    state: directory
+    mode: "0755"
+
+- name: Check installed Ollama version
+  command:
+    argv:
+      - "{{ courseware_ollama_bin }}"
+      - --version
+  register: courseware_lab1_ollama_version
+  changed_when: false
+
+- name: Extract installed Ollama semantic version
+  set_fact:
+    courseware_lab1_ollama_semver: >-
+      {{
+        courseware_lab1_ollama_version.stdout
+        | regex_search('[0-9]+\\.[0-9]+\\.[0-9]+')
+        | default('')
+      }}
+
+- name: Fail when Ollama is too old for Lab 1 logprobs
+  fail:
+    msg: >-
+      Lab 1 requires Ollama {{ courseware_ollama_min_version }} or newer because
+      the confidence visualizer depends on logprob support. Installed version:
+      {{ courseware_lab1_ollama_version.stdout | trim }}.
+  when:
+    - courseware_lab1_ollama_semver | length == 0
+      or not (courseware_lab1_ollama_semver is version(courseware_ollama_min_version, '>='))
+
+- name: Download mirrored Lab 1 Qwen model
+  get_url:
+    url: "{{ courseware_lab1_qwen_download_url }}"
+    dest: "{{ courseware_lab1_qwen_local_path }}"
+    mode: "0644"
+
+- name: Download mirrored Lab 1 Llama model
+  get_url:
+    url: "{{ courseware_lab1_llama_download_url }}"
+    dest: "{{ courseware_lab1_llama_local_path }}"
+    mode: "0644"
+
+- name: Write Lab 1 Ollama Modelfile
+  copy:
+    dest: "{{ courseware_lab1_dir }}/Modelfile.{{ courseware_lab1_qwen_model_alias }}"
+    mode: "0644"
+    content: |
+      FROM {{ courseware_lab1_qwen_local_path }}
+
+- name: Start Ollama before Lab 1 model registration
+  command:
+    argv:
+      - "{{ courseware_root }}/scripts/service_manager.sh"
+      - start
+      - ollama
+  changed_when: false
+
+- name: Register Lab 1 Qwen model with Ollama
+  command:
+    argv:
+      - "{{ courseware_ollama_bin }}"
+      - create
+      - "{{ courseware_lab1_qwen_model_alias }}"
+      - -f
+      - "{{ courseware_lab1_dir }}/Modelfile.{{ courseware_lab1_qwen_model_alias }}"
+  environment:
+    OLLAMA_HOST: "{{ courseware_bind_host }}:{{ courseware_ports.ollama }}"
+    OLLAMA_MODELS: "{{ courseware_ollama_models_dir }}"

ansible/roles/netron/tasks/main.yml

@@ -0,0 +1,30 @@
+- name: Create Netron virtual environment
+  command:
+    argv:
+      - "{{ courseware_python_bin }}"
+      - -m
+      - venv
+      - "{{ courseware_netron_venv_dir }}"
+  args:
+    creates: "{{ courseware_netron_venv_dir }}/bin/python"
+
+- name: Upgrade Netron venv tooling
+  command:
+    argv:
+      - "{{ courseware_netron_venv_dir }}/bin/python"
+      - -m
+      - pip
+      - install
+      - --upgrade
+      - pip
+      - setuptools
+      - wheel
+
+- name: Install Netron server runtime
+  command:
+    argv:
+      - "{{ courseware_netron_venv_dir }}/bin/python"
+      - -m
+      - pip
+      - install
+      - "netron=={{ courseware_netron_version }}"

ansible/roles/open_webui/tasks/main.yml

@@ -7,7 +7,7 @@
 - name: Create Open WebUI virtual environment
   command:
     argv:
-      - "{{ courseware_transformerlab_home }}/envs/transformerlab/bin/python"
+      - "{{ courseware_python_bin }}"
       - -m
       - venv
       - "{{ courseware_venvs_dir }}/open-webui"
@@ -39,7 +39,7 @@
 - name: Create Embedding Atlas virtual environment
   command:
     argv:
-      - "{{ courseware_transformerlab_home }}/envs/transformerlab/bin/python"
+      - "{{ courseware_python_bin }}"
       - -m
       - venv
       - "{{ courseware_venvs_dir }}/embedding-atlas"

ansible/roles/wiki/templates/courseware-runtime.json.j2

@@ -1,3 +1,4 @@
 {
+  "lab1NetronUrl": "http://{{ courseware_url_host }}:{{ courseware_ports.netron }}",
   "lab3TerminalUrl": "http://{{ courseware_url_host }}:{{ courseware_ports.wetty }}{{ courseware_wetty_base_path }}"
 }