Align installer with updated lab models

ansible/group_vars/all.yml

@@ -50,10 +50,7 @@ courseware_wiki_repo: "https://git.zuccaro.me/bzuccaro/LLM-Labs.git"
 
 courseware_open_webui_spec: "open-webui"
 courseware_embedding_atlas_spec: "embedding-atlas"
-courseware_lab1_qwen_filename: "Qwen3-0.6B-Q8_0.gguf"
-courseware_lab1_qwen_download_url: "https://huggingface.co/Qwen/Qwen3-0.6B-GGUF/resolve/main/Qwen3-0.6B-Q8_0.gguf?download=true"
-courseware_lab1_qwen_local_path: "{{ courseware_lab1_models_dir }}/{{ courseware_lab1_qwen_filename }}"
-courseware_lab1_qwen_model_alias: "lab1-qwen3-0.6b-q8_0"
+courseware_lab1_ollama_model_alias: "batiai/gemma4-e2b:q4"
 courseware_lab1_llama_filename: "Llama-3.2-1B.Q4_K_M.gguf"
 courseware_lab1_llama_download_url: "https://huggingface.co/DevQuasar-3/meta-llama.Llama-3.2-1B-GGUF/resolve/main/Llama-3.2-1B.Q4_K_M.gguf?download=true"
 courseware_lab1_llama_local_path: "{{ courseware_lab1_models_dir }}/{{ courseware_lab1_llama_filename }}"
@@ -74,6 +71,8 @@ courseware_white_rabbit_variants:
     quant: "IQ2_M"
     filename: "WhiteRabbitNeo_WhiteRabbitNeo-V3-7B-IQ2_M.gguf"
 courseware_lab2_ollama_models:
+  - label: "Gemma 4 E2B Q2 XL"
+    value: "cajina/gemma4_e2b-q2_k_xl:v01"
   - label: "Gemma 4 E2B Q4"
     value: "batiai/gemma4-e2b:q4"
   - label: "Gemma 4 E2B Q6"

ansible/roles/lab1_assets/tasks/main.yml

@@ -31,41 +31,8 @@
     - 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/templates/runtime.env.j2

@@ -26,9 +26,8 @@ EMBEDDING_ATLAS_VENV="{{ courseware_venvs_dir }}/embedding-atlas"
 TTPS_DATASET_PATH="{{ courseware_datasets_dir }}/ttps_dataset.parquet"
 WIKI_TEST_RAW_PATH="{{ courseware_datasets_dir }}/wiki.test.raw"
 COURSEWARE_OLLAMA_BASE_URL="http://{{ courseware_url_host }}:{{ courseware_ports.ollama }}"
-COURSEWARE_LAB1_QWEN_MODEL_PATH="{{ courseware_lab1_qwen_local_path }}"
 COURSEWARE_LAB1_LLAMA_MODEL_PATH="{{ courseware_lab1_llama_local_path }}"
-COURSEWARE_LAB1_OLLAMA_MODEL_ALIAS="{{ courseware_lab1_qwen_model_alias }}"
+COURSEWARE_LAB1_OLLAMA_MODEL_ALIAS="{{ courseware_lab1_ollama_model_alias }}"
 UNSLOTH_BIN="{{ ansible_env.HOME }}/.local/bin/unsloth"
 PROMPTFOO_DIR="{{ courseware_promptfoo_dir }}"
 PROMPTFOO_BIN="{{ courseware_tools_dir }}/promptfoo/node_modules/.bin/promptfoo"