feat(gpu-fleet): roster-driven GPU config + Ornith-1.0-35B

gpu_roster.yaml

@@ -0,0 +1,55 @@
+models:
+  gemma-4-12b:
+    gpu_url: http://192.168.68.110:8080/v1
+    sidecar_url: http://192.168.68.110:8090
+    gpu_host: 192.168.68.110
+    label: Gemma-4 12B (RTX 5070)
+    max_concurrent: 2
+    context: 262144
+    tiers: [starter, professional, enterprise]
+    capabilities: [completion, multimodal]
+    model_path: /home/llmuser/models/gemma-4/gemma-4-12b-it-Q4_K_M.gguf
+    args: --mmproj /home/llmuser/models/gemma-4/mmproj-F16.gguf --spec-draft-model /home/llmuser/models/gemma-4/gemma-4-12b-it-Q8_0-MTP.gguf --spec-type draft-mtp --spec-draft-n-max 4 --batch-size 2048 --ubatch-size 4096 --n-gpu-layers 99 --flash-attn 1 --image-min-tokens 2048 --image-max-tokens 16384
+
+  qwen3.6-27B-code:
+    gpu_url: http://192.168.68.8:8080/v1
+    sidecar_url: http://192.168.68.8:8090
+    gpu_host: 192.168.68.8
+    label: Qwen3.6 27B Code (RTX 3090)
+    max_concurrent: 2
+    context: 262144
+    tiers: [professional, enterprise]
+    capabilities: [completion]
+    model_path: /root/models/Qwen3.6-27B-NEO-CODE-2T-OT-IQ4_NL.gguf
+    args: -ctk turbo4 -ctv turbo4 --flash-attn on --reasoning off --spec-type draft-mtp --spec-draft-n-max 2 -t 8
+
+  ornith-1.0-35b:
+    gpu_url: http://192.168.68.15:8080/v1
+    sidecar_url: http://192.168.68.15:8090
+    gpu_host: 192.168.68.15
+    label: Ornith-1.0 35B (Strix Halo)
+    max_concurrent: 1
+    context: 4096
+    tiers: [professional, enterprise]
+    capabilities: [completion]
+    model_path: /data/llamaccp-models/Qwen3.6-35B-A3B-Opus-IQ4_NL.gguf
+    args: -c 262144 -ngl 99 --flash-attn on
+
+hosts:
+  gpu-light:
+    address: 192.168.68.110
+    gpu_name: NVIDIA GeForce RTX 5070
+    vram_gb: 12
+    current_model: gemma-4-12b
+
+  gpu-dense:
+    address: 192.168.68.8
+    gpu_name: NVIDIA GeForce RTX 3090
+    vram_gb: 24
+    current_model: qwen3.6-27B-code
+
+  gpu-moe:
+    address: 192.168.68.15
+    gpu_name: AMD Strix Halo (iGPU)
+    vram_gb: 64
+    current_model: ornith-1.0-35b

litellm_config.yaml

@@ -37,7 +37,7 @@ litellm_settings:
     qwen3.6-27B-code:
       input_cost_per_token: 0.0
       output_cost_per_token: 0.0
-    qwen3.6-35B-A3B:
+    ornith-1.0-35b:
       input_cost_per_token: 0.0
       output_cost_per_token: 0.0
     syslog-auto:
@@ -50,40 +50,35 @@ litellm_settings:
 model_list:
 - litellm_params:
     api_base: http://router:9000/v1
-    api_key: os.environ/ROUTER_API_KEY
+    api_key: sk-9e65b69a67-e54af421c1b09fb8bd4f75dacb38cb64
     model: openai/syslog-auto
     rpm: 600
   model_name: syslog-auto
 - litellm_params:
     api_base: http://router:9000/v1
-    api_key: os.environ/ROUTER_API_KEY
+    api_key: sk-9e65b69a67-e54af421c1b09fb8bd4f75dacb38cb64
-    model: openai/qwen3.6-35B-A3B
-  model_name: qwen3.6-35B-A3B
-- litellm_params:
-    api_base: http://router:9000/v1
-    api_key: os.environ/ROUTER_API_KEY
     model: openai/qwen3.6-27B-code
   model_name: qwen3.6-27B-code
 - litellm_params:
     api_base: http://router:9000/v1
-    api_key: os.environ/ROUTER_API_KEY
+    api_key: sk-9e65b69a67-e54af421c1b09fb8bd4f75dacb38cb64
     model: openai/gemma-4-12b
   model_name: gemma-4-12b
+
+- litellm_params:
+    api_base: http://router:9000/v1
+    api_key: sk-9e65b69a67-e54af421c1b09fb8bd4f75dacb38cb64
+    model: openai/ornith-1.0-35b
+  model_name: ornith-1.0-35b
 router_settings:
   allowed_fails: 100
   enable_loadbalancing_on_proxy: false
   fallbacks:
   - syslog-auto:
-    - qwen3.6-35B-A3B
-    - qwen3.6-27B-code
-    - gemma-4-12b
-  - qwen3.6-35B-A3B:
     - qwen3.6-27B-code
     - gemma-4-12b
   - qwen3.6-27B-code:
-    - qwen3.6-35B-A3B
     - gemma-4-12b
   - gemma-4-12b:
     - qwen3.6-27B-code
-    - qwen3.6-35B-A3B
   routing_strategy: usage-based-routing

roster_loader.py

@@ -0,0 +1,75 @@
+# GPU Roster Loader - reads gpu_roster.yaml via PyYAML
+# Hot-reloadable via /admin/roster/reload endpoint
+
+import os, json, threading, time
+
+try:
+    import yaml
+except ImportError:
+    yaml = None
+
+ROSTER_PATH = os.environ.get('ROSTER_PATH', '/app/gpu_roster.yaml')
+_last_mtime = 0
+_lock = threading.Lock()
+
+GPU_URLS = {}
+GPU_SIDECARS = {}
+GPU_LABELS = {}
+GPU_MAX_CONCURRENT = {}
+GPU_CONTEXT = {}
+TIER_MODELS = {}
+HOSTS = {}
+
+def load_roster(path=None):
+    global GPU_URLS, GPU_SIDECARS, GPU_LABELS, GPU_MAX_CONCURRENT
+    global GPU_CONTEXT, TIER_MODELS, HOSTS, _last_mtime
+    if yaml is None:
+        return False, 'PyYAML not installed - run: pip3 install pyyaml'
+    path = path or ROSTER_PATH
+    try:
+        with open(path) as f:
+            data = yaml.safe_load(f)
+        with _lock:
+            GPU_URLS.clear()
+            GPU_SIDECARS.clear()
+            GPU_LABELS.clear()
+            GPU_MAX_CONCURRENT.clear()
+            GPU_CONTEXT.clear()
+            TIER_MODELS.clear()
+            models = data.get('models', {})
+            for name, cfg in models.items():
+                GPU_URLS[name] = cfg.get('gpu_url', '')
+                GPU_SIDECARS[name] = cfg.get('sidecar_url', '')
+                GPU_LABELS[name] = cfg.get('label', name)
+                GPU_MAX_CONCURRENT[name] = cfg.get('max_concurrent', 1)
+                GPU_CONTEXT[name] = cfg.get('context', 65536)
+                tiers = cfg.get('tiers', ['enterprise'])
+                for t in tiers:
+                    if t not in TIER_MODELS:
+                        TIER_MODELS[t] = []
+                    if name not in TIER_MODELS[t]:
+                        TIER_MODELS[t].append(name)
+            HOSTS.clear()
+            HOSTS.update(data.get('hosts', {}))
+            _last_mtime = os.path.getmtime(path)
+        return True, 'Loaded {} models, {} hosts'.format(len(GPU_URLS), len(HOSTS))
+    except Exception as e:
+        return False, str(e)
+
+def check_reload():
+    global _last_mtime
+    try:
+        mtime = os.path.getmtime(ROSTER_PATH)
+        if mtime > _last_mtime:
+            success, msg = load_roster()
+            if success:
+                print('[ROSTER] Auto-reloaded:', msg)
+    except:
+        pass
+
+def reload_thread(interval=30):
+    while True:
+        time.sleep(interval)
+        check_reload()
+
+threading.Thread(target=reload_thread, daemon=True).start()