Migrate to oTel exporters

src/examples/litellm_example/basic.py

@@ -1,4 +1,3 @@
-from langtrace_python_sdk import with_langtrace_root_span, langtrace
 from dotenv import load_dotenv
 from litellm import completion, acompletion
 import litellm
@@ -8,11 +7,9 @@
 
 
 litellm.success_callback = ["langtrace"]
-langtrace.init()
 litellm.set_verbose = False
 
 
-@with_langtrace_root_span("Litellm Example OpenAI")
 def openAI(streaming=False):
     response = completion(
         model="gpt-3.5-turbo",
@@ -56,7 +53,6 @@ def anthropic(streaming=False):
         print("ERORRRR", e)
 
 
-# @with_langtrace_root_span("Litellm Example OpenAI Async Streaming")
 async def async_anthropic(streaming=False):
     response = await acompletion(
         model="claude-2.1",
@@ -93,6 +89,6 @@ def cohere(streaming=False):
 
 if __name__ == "__main__":
     # openAI()
-    anthropic(streaming=False)
+    # anthropic(streaming=False)
     cohere(streaming=True)
     # asyncio.run(async_anthropic(streaming=True))

src/examples/litellm_example/config.yaml

@@ -0,0 +1,10 @@
+model_list:
+  - model_name: "gpt-4" # all requests where model not in your config go to this deployment
+    litellm_params:
+      model: openai/gpt-4 # set `openai/` to use the openai route
+
+litellm_settings:
+  success_callback: ["langtrace"]
+
+environment_variables:
+  LANGTRACE_API_KEY: "fake-api-key"

src/examples/litellm_example/proxy_basic.py

@@ -0,0 +1,16 @@
+import openai
+from dotenv import load_dotenv
+
+load_dotenv()
+
+client = openai.OpenAI(base_url="http://0.0.0.0:4000")
+
+# request sent to model set on litellm proxy, `litellm --model`
+response = client.chat.completions.create(
+    model="gpt-4",
+    messages=[
+        {"role": "user", "content": "this is a test request, write a short poem"}
+    ],
+)
+
+print(response)

src/langtrace_python_sdk/langtrace.py

@@ -31,10 +31,15 @@
     SimpleSpanProcessor,
 )
 
+from opentelemetry.exporter.otlp.proto.grpc.trace_exporter import (
+    OTLPSpanExporter as GRPCExporter,
+)
+from opentelemetry.exporter.otlp.proto.http.trace_exporter import (
+    OTLPSpanExporter as HTTPExporter,
+)
 from langtrace_python_sdk.constants.exporter.langtrace_exporter import (
     LANGTRACE_REMOTE_URL,
 )
-from langtrace_python_sdk.extensions.langtrace_exporter import LangTraceExporter
 from langtrace_python_sdk.instrumentation import (
     AnthropicInstrumentation,
     ChromaInstrumentation,
@@ -59,6 +64,8 @@
     VertexAIInstrumentation,
     WeaviateInstrumentation,
 )
+from opentelemetry.util.re import parse_env_headers
+
 from langtrace_python_sdk.types import DisableInstrumentations, InstrumentationMethods
 from langtrace_python_sdk.utils import (
     check_if_sdk_is_outdated,
@@ -74,7 +81,7 @@
 
 class LangtraceConfig:
     def __init__(self, **kwargs):
-        self.api_key = kwargs.get("api_key")
+        self.api_key = kwargs.get("api_key") or os.environ.get("LANGTRACE_API_KEY")
         self.batch = kwargs.get("batch", True)
         self.write_spans_to_console = kwargs.get("write_spans_to_console", False)
         self.custom_remote_exporter = kwargs.get("custom_remote_exporter")
@@ -83,7 +90,11 @@ def __init__(self, **kwargs):
         self.disable_tracing_for_functions = kwargs.get("disable_tracing_for_functions")
         self.service_name = kwargs.get("service_name")
         self.disable_logging = kwargs.get("disable_logging", False)
-        self.headers = kwargs.get("headers", {})
+        self.headers = (
+            kwargs.get("headers")
+            or os.environ.get("LANGTRACE_HEADERS")
+            or os.environ.get("OTEL_EXPORTER_OTLP_HEADERS")
+        )
 
 
 def get_host(config: LangtraceConfig) -> str:
@@ -96,23 +107,50 @@ def get_host(config: LangtraceConfig) -> str:
     )
 
 
+def get_service_name(config: LangtraceConfig):
+    service_name = os.environ.get("OTEL_SERVICE_NAME")
+    if service_name:
+        return service_name
+
+    resource_attributes = os.environ.get("OTEL_RESOURCE_ATTRIBUTES")
+    if resource_attributes:
+        attrs = dict(attr.split("=") for attr in resource_attributes.split(","))
+        if "service.name" in attrs:
+            return attrs["service.name"]
+
+    if config.service_name:
+        return config.service_name
+
+    return sys.argv[0]
+
+
 def setup_tracer_provider(config: LangtraceConfig, host: str) -> TracerProvider:
     sampler = LangtraceSampler(disabled_methods=config.disable_tracing_for_functions)
-    resource = Resource.create(
-        attributes={
-            SERVICE_NAME: os.environ.get("OTEL_SERVICE_NAME")
-            or config.service_name
-            or sys.argv[0]
-        }
-    )
+    resource = Resource.create(attributes={SERVICE_NAME: get_service_name(config)})
     return TracerProvider(resource=resource, sampler=sampler)
 
 
+def get_headers(config: LangtraceConfig):
+    if not config.headers:
+        return {
+            "x-api-key": config.api_key,
+        }
+
+    if isinstance(config.headers, str):
+        return parse_env_headers(config.headers, liberal=True)
+
+    return config.headers
+
+
 def get_exporter(config: LangtraceConfig, host: str):
     if config.custom_remote_exporter:
         return config.custom_remote_exporter
 
-    return LangTraceExporter(host, config.api_key, config.disable_logging)
+    headers = get_headers(config)
+    if "http" in host.lower() or "https" in host.lower():
+        return HTTPExporter(endpoint=host, headers=headers)
+    else:
+        return GRPCExporter(endpoint=host, headers=headers)
 
 
 def add_span_processor(provider: TracerProvider, config: LangtraceConfig, exporter):
@@ -200,6 +238,15 @@ def init(
         + Fore.RESET
     )
 
+    if host == LANGTRACE_REMOTE_URL and not config.api_key:
+        print(Fore.RED)
+        print(
+            "Missing Langtrace API key, proceed to https://langtrace.ai to create one"
+        )
+        print("Set the API key as an environment variable LANGTRACE_API_KEY")
+        print(Fore.RESET)
+        return
+
     provider = setup_tracer_provider(config, host)
     exporter = get_exporter(config, host)
 

src/langtrace_python_sdk/version.py

@@ -1 +1 @@
-__version__ = "3.0.2"
+__version__ = "3.1.0"