Update run.py

run.py

@@ -13,60 +13,128 @@
 # limitations under the License.
 
 import logging
-
+import os
+from cryptography.fernet import Fernet
 from model import LanguageModelConfig, TransformerConfig, QuantizedWeight8bit as QW8Bit
 from runners import InferenceRunner, ModelRunner, sample_from_model
 
+# Secure Key Management
+KEY_ENV_VAR = 'ENCRYPTION_KEY'
+KEY = os.getenv(KEY_ENV_VAR)
+if not KEY:
+    raise ValueError(f"Encryption key must be set in the environment variable {KEY_ENV_VAR}")
+cipher_suite = Fernet(KEY)
 
-CKPT_PATH = "./checkpoints/"
+# Define paths
+CKPT_PATH = os.getenv('CHECKPOINT_PATH', './checkpoints/')
+TOKENIZER_PATH = os.getenv('TOKENIZER_PATH', './tokenizer.model')
 
+# Configure logging
+logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
+
+def initialize_model() -> LanguageModelConfig:
+    """Initialize and return the language model configuration."""
+    try:
+        model_config = LanguageModelConfig(
+            vocab_size=128 * 1024,
+            pad_token=0,
+            eos_token=2,
+            sequence_len=8192,
+            embedding_init_scale=1.0,
+            output_multiplier_scale=0.5773502691896257,
+            embedding_multiplier_scale=78.38367176906169,
+            model=TransformerConfig(
+                emb_size=48 * 128,
+                widening_factor=8,
+                key_size=128,
+                num_q_heads=48,
+                num_kv_heads=8,
+                num_layers=64,
+                attn_output_multiplier=0.08838834764831845,
+                shard_activations=True,
+                num_experts=8,
+                num_selected_experts=2,
+                data_axis="data",
+                model_axis="model",
+            ),
+        )
+        logging.info("Model initialized successfully.")
+        return model_config
+    except Exception as e:
+        logging.error(f"Error initializing model: {e}")
+        raise
+
+def initialize_inference_runner(model: LanguageModelConfig) -> InferenceRunner:
+    """Initialize and return the inference runner."""
+    try:
+        inference_runner = InferenceRunner(
+            pad_sizes=(1024,),
+            runner=ModelRunner(
+                model=model,
+                bs_per_device=0.125,
+                checkpoint_path=CKPT_PATH,
+            ),
+            name="local",
+            load=CKPT_PATH,
+            tokenizer_path=TOKENIZER_PATH,
+            local_mesh_config=(1, 8),
+            between_hosts_config=(1, 1),
+        )
+        inference_runner.initialize()
+        logging.info("Inference runner initialized successfully.")
+        return inference_runner
+    except Exception as e:
+        logging.error(f"Error initializing inference runner: {e}")
+        raise
+
+def encrypt_message(message: str) -> str:
+    """Encrypt the message using Fernet encryption."""
+    try:
+        encrypted_message = cipher_suite.encrypt(message.encode())
+        return encrypted_message.decode()
+    except Exception as e:
+        logging.error(f"Error encrypting message: {e}")
+        raise
+
+def decrypt_message(encrypted_message: str) -> str:
+    """Decrypt the message using Fernet encryption."""
+    try:
+        decrypted_message = cipher_suite.decrypt(encrypted_message.encode())
+        return decrypted_message.decode()
+    except Exception as e:
+        logging.error(f"Error decrypting message: {e}")
+        raise
+
+def generate_text(prompt: str, runner: InferenceRunner) -> str:
+    """Generate text from the given prompt using the inference runner."""
+    try:
+        logging.info("Running inference...")
+        gen = runner.run()
+        return sample_from_model(gen, prompt, max_len=100, temperature=0.01)
+    except Exception as e:
+        logging.error(f"Error generating text: {e}")
+        raise
 
 def main():
-    grok_1_model = LanguageModelConfig(
-        vocab_size=128 * 1024,
-        pad_token=0,
-        eos_token=2,
-        sequence_len=8192,
-        embedding_init_scale=1.0,
-        output_multiplier_scale=0.5773502691896257,
-        embedding_multiplier_scale=78.38367176906169,
-        model=TransformerConfig(
-            emb_size=48 * 128,
-            widening_factor=8,
-            key_size=128,
-            num_q_heads=48,
-            num_kv_heads=8,
-            num_layers=64,
-            attn_output_multiplier=0.08838834764831845,
-            shard_activations=True,
-            # MoE.
-            num_experts=8,
-            num_selected_experts=2,
-            # Activation sharding.
-            data_axis="data",
-            model_axis="model",
-        ),
-    )
-    inference_runner = InferenceRunner(
-        pad_sizes=(1024,),
-        runner=ModelRunner(
-            model=grok_1_model,
-            bs_per_device=0.125,
-            checkpoint_path=CKPT_PATH,
-        ),
-        name="local",
-        load=CKPT_PATH,
-        tokenizer_path="./tokenizer.model",
-        local_mesh_config=(1, 8),
-        between_hosts_config=(1, 1),
-    )
-    inference_runner.initialize()
-    gen = inference_runner.run()
-
-    inp = "The answer to life the universe and everything is of course"
-    print(f"Output for prompt: {inp}", sample_from_model(gen, inp, max_len=100, temperature=0.01))
-
+    try:
+        logging.info("Initializing model...")
+        model = initialize_model()
+        
+        logging.info("Setting up inference runner...")
+        inference_runner = initialize_inference_runner(model)
+        
+        prompt = "The answer to life the universe and everything is of course"
+        logging.info("Generating output...")
+        output = generate_text(prompt, inference_runner)
+        
+        encrypted_output = encrypt_message(output)
+        decrypted_output = decrypt_message(encrypted_output)
+        
+        logging.info(f"Output for prompt: {prompt}")
+        print(decrypted_output)
+    except Exception as e:
+        logging.error(f"An error occurred: {e}")
 
 if __name__ == "__main__":
-    logging.basicConfig(level=logging.INFO)
     main()
+