Normalize Ollama host configuration

bootstrap/host/README.md

@@ -64,6 +64,9 @@ host, run:
 Installer downloads prefer IPv4 by default because some networks have broken or
 slow IPv6 paths to `ollama.com`. Override with
 `LAB_OLLAMA_INSTALL_CURL_IP_VERSION=` if you want curl's automatic behavior.
+The Ryzen integrated GPU is left disabled for Ollama by default; set
+`LAB_OLLAMA_IGPU_ENABLE=true` or `debian_pc_ollama_igpu_enable: "true"` when
+you intentionally want to test Vulkan/iGPU inference.
 
 If the Debian host cannot reach `ollama.com`, download the matching Linux
 tarball from another machine, copy it to Debian, and point `jeannie` at it:

bootstrap/host/group_vars/debian_pc.yml

@@ -12,6 +12,7 @@ debian_pc_ollama_tarball_file: ""
 debian_pc_ollama_host: 0.0.0.0:11434
 debian_pc_ollama_models_dir: /data/ollama/models
 debian_pc_ollama_default_model: qwen2.5:0.5b
+debian_pc_ollama_igpu_enable: "false"
 
 debian_pc_persistent_directories:
   - /data/openebs/local/registry

bootstrap/host/playbook.yml

@@ -318,6 +318,7 @@
           [Service]
           Environment="OLLAMA_HOST={{ debian_pc_ollama_host }}"
           Environment="OLLAMA_MODELS={{ debian_pc_ollama_models_dir }}"
+          Environment="OLLAMA_IGPU_ENABLE={{ debian_pc_ollama_igpu_enable }}"
       register: debian_pc_ollama_override
       when: debian_pc_install_ollama | bool
 

homelab.yml

@@ -88,6 +88,7 @@ services:
     url: http://192.168.100.73:11434
     bind_address: 0.0.0.0:11434
     models_dir: /data/ollama/models
+    igpu_enable: false
   rpi_dns:
     host: rpi4
     pihole_dns_port: 53

jeannie

@@ -60,6 +60,7 @@ mapping = {
     "services.local_registry.endpoint": "LAB_REGISTRY_ENDPOINT",
     "services.ollama.bind_address": "LAB_OLLAMA_BIND_ADDRESS",
     "services.ollama.models_dir": "LAB_OLLAMA_MODELS_DIR",
+    "services.ollama.igpu_enable": "LAB_OLLAMA_IGPU_ENABLE",
     "services.rpi_dns.pihole_web_port": "PIHOLE_WEB_PORT",
     "services.rpi_dns.uptime_kuma_port": "UPTIME_KUMA_PORT",
     "ai_gateway.provider": "LAB_AI_GATEWAY_PROVIDER",
@@ -3393,12 +3394,16 @@ website_translation_model() {
 website_ollama_listen() {
     local bind_address="${WEBSITE_OLLAMA_BIND_ADDRESS:-${LAB_OLLAMA_BIND_ADDRESS:-0.0.0.0:11434}}"
     local models_dir="${LAB_OLLAMA_MODELS_DIR:-/data/ollama/models}"
+    local igpu_enable="${LAB_OLLAMA_IGPU_ENABLE:-false}"
     local dropin_dir="/etc/systemd/system/ollama.service.d"
     local dropin_file="${dropin_dir}/homelab.conf"
     local waited=0
 
     require_debian_server "website-ollama-listen"
 
+    bind_address="${bind_address#http://}"
+    bind_address="${bind_address#https://}"
+
     if ! systemctl cat ollama.service >/dev/null 2>&1; then
         echo "ollama.service was not found on this Debian server." >&2
         exit 1
@@ -3410,7 +3415,7 @@ website_ollama_listen() {
     if id ollama >/dev/null 2>&1; then
         sudo chown ollama:ollama "${models_dir}"
     fi
-    printf '[Service]\nEnvironment="OLLAMA_HOST=%s"\nEnvironment="OLLAMA_MODELS=%s"\n' "${bind_address}" "${models_dir}" |
+    printf '[Service]\nEnvironment="OLLAMA_HOST=%s"\nEnvironment="OLLAMA_MODELS=%s"\nEnvironment="OLLAMA_IGPU_ENABLE=%s"\n' "${bind_address}" "${models_dir}" "${igpu_enable}" |
         sudo tee "${dropin_file}" >/dev/null
     sudo systemctl daemon-reload
     sudo systemctl restart ollama.service