fix: increase latency resolution

Author: ividito

docker-compose.yml

@@ -31,6 +31,7 @@ services:
       # - TITILER_ENDPOINT=raster
       - TITILER_ENDPOINT=http://0.0.0.0:8082
       - VEDA_STAC_ENABLE_TRANSACTIONS=True
+      - VEDA_STAC_GIT_SHA=local123
     depends_on:
       - database
       - raster
@@ -84,6 +85,7 @@ services:
       # API Config
       - VEDA_RASTER_ENABLE_MOSAIC_SEARCH=TRUE
       - VEDA_RASTER_EXPORT_ASSUME_ROLE_CREDS_AS_ENVS=TRUE
+      - VEDA_RASTER_GIT_SHA=local123
 
 
     depends_on:
@@ -151,6 +153,7 @@ services:
       - STAC_URL=http://0.0.0.0:8081
       - USERPOOL_ID=us-west-2_123456789
       - CLIENT_ID=123456789
+      - GIT_SHA=local123
     ports:
       - "8083:8083"
     command: bash -c "bash /tmp/scripts/wait-for-it.sh -t 120 -h database -p 5432 && python /asset/local.py"

ingest_api/runtime/src/config.py

@@ -22,7 +22,9 @@ class Settings(BaseSettings):
     stac_url: AnyHttpUrl = Field(description="URL of STAC API")
     root_path: Optional[str] = None
     stage: Optional[str] = Field(None, description="API stage")
-    git_sha: Optional[str] = None
+    git_sha: Optional[str] = Field(
+        "", description="Git SHA of the deployed service"
+    )  # default to str so that docker compose tests work
 
 
 settings = Settings()

ingest_api/runtime/src/monitoring.py

@@ -4,7 +4,7 @@
 from typing import Callable, Optional
 
 from aws_lambda_powertools import Logger, Metrics, Tracer
-from aws_lambda_powertools.metrics import MetricUnit
+from aws_lambda_powertools.metrics import MetricResolution, MetricUnit
 from src.config import Settings
 
 settings = Settings()
@@ -14,7 +14,10 @@
 metrics.set_default_dimensions(environment=settings.stage, service="ingest-api")
 tracer: Tracer = Tracer()
 
-version = settings.git_sha
+try:
+    version = settings.git_sha[:6]  # short git sha
+except TypeError:
+    version = "unknown"
 
 
 class ObservabilityMiddleware:
@@ -140,6 +143,7 @@ async def _call_downstream():
             name="http_request_duration_ms",
             value=elapsed_ms,
             unit=MetricUnit.Milliseconds,
+            resolution=MetricResolution.High,
         )
         metrics.add_metric(
             name="http_response_size_bytes",

raster_api/infrastructure/construct.py

@@ -59,6 +59,7 @@ def __init__(
                 "VEDA_RASTER_ROOT_PATH": veda_raster_settings.raster_root_path,
                 "VEDA_RASTER_STAGE": stage,
                 "VEDA_RASTER_PROJECT_NAME": veda_raster_settings.project_name,
+                "VEDA_RASTER_GIT_SHA": veda_raster_settings.git_sha,
             },
             tracing=aws_lambda.Tracing.ACTIVE,
         )

raster_api/runtime/src/monitoring.py

@@ -4,7 +4,7 @@
 from typing import Callable, Optional
 
 from aws_lambda_powertools import Logger, Metrics, Tracer
-from aws_lambda_powertools.metrics import MetricUnit
+from aws_lambda_powertools.metrics import MetricResolution, MetricUnit
 from src.config import ApiSettings
 
 settings = ApiSettings()
@@ -14,7 +14,10 @@
 metrics.set_default_dimensions(environment=settings.stage, service="raster-api")
 tracer: Tracer = Tracer()
 
-version = settings.git_sha
+try:
+    version = settings.git_sha[:6]  # short git sha
+except TypeError:
+    version = "unknown"
 
 
 class ObservabilityMiddleware:
@@ -131,6 +134,7 @@ async def _call_downstream():
         }
         logger.append_keys(fastapi=final_ctx)
         logger.info("Completed request")
+        tracer.put_metadata(key="response", value=final_ctx)
 
         metrics.add_dimension("route_template", route_template)
         metrics.add_dimension("status_family", status_family)
@@ -140,6 +144,7 @@ async def _call_downstream():
             name="http_request_duration_ms",
             value=elapsed_ms,
             unit=MetricUnit.Milliseconds,
+            resolution=MetricResolution.High,
         )
         metrics.add_metric(
             name="http_response_size_bytes",

stac_api/runtime/src/monitoring.py

@@ -4,7 +4,7 @@
 from typing import Callable, Optional
 
 from aws_lambda_powertools import Logger, Metrics, Tracer
-from aws_lambda_powertools.metrics import MetricUnit
+from aws_lambda_powertools.metrics import MetricResolution, MetricUnit
 from src.config import ApiSettings
 
 settings = ApiSettings()
@@ -14,7 +14,10 @@
 metrics.set_default_dimensions(environment=settings.stage, service="stac-api")
 tracer: Tracer = Tracer()
 
-version = settings.git_sha
+try:
+    version = settings.git_sha[:6]  # short git sha
+except TypeError:
+    version = "unknown"
 
 
 class ObservabilityMiddleware:
@@ -140,6 +143,7 @@ async def _call_downstream():
             name="http_request_duration_ms",
             value=elapsed_ms,
             unit=MetricUnit.Milliseconds,
+            resolution=MetricResolution.High,
         )
         metrics.add_metric(
             name="http_response_size_bytes",