chore(Azure): remove app-level logging to Azure Monitor (#1261)

Author: afeld

appcontainer/requirements.txt

@@ -2,8 +2,6 @@ Authlib==1.2.0
 Django==4.1.6
 django-csp==3.7
 eligibility-api==2023.01.1
-opencensus-ext-azure==1.1.8
-opencensus-ext-django==0.8.0
 requests==2.28.2
 sentry-sdk==1.15.0
 six==1.16.0

benefits/core/middleware.py

@@ -161,21 +161,6 @@ def process_view(self, request, view_func, view_args, view_kwargs):
         return redirect("oauth:login")
 
 
-# https://github.com/census-instrumentation/opencensus-python/issues/766
-class LogErrorToAzure(MiddlewareMixin):
-    def __init__(self, get_response):
-        super().__init__(get_response)
-        # wait to do this here to be sure the handler is initialized
-        self.azure_logger = logging.getLogger("azure")
-
-    def process_exception(self, request, exception):
-        # https://stackoverflow.com/a/45532289
-        msg = getattr(exception, "message", repr(exception))
-        self.azure_logger.exception(msg, exc_info=exception)
-
-        return None
-
-
 class RecaptchaEnabled(MiddlewareMixin):
     """Middleware configures the request with required reCAPTCHA settings."""
 

benefits/logging.py

@@ -3,7 +3,6 @@
 """
 import os
 from benefits import sentry
-import benefits.logging
 
 
 def _filter_empty(ls):
@@ -69,28 +68,6 @@ def _filter_empty(ls):
     MIDDLEWARE.append("benefits.core.middleware.DebugSession")
 
 
-# Azure Insights
-# https://docs.microsoft.com/en-us/azure/azure-monitor/app/opencensus-python-request#tracking-django-applications
-
-ENABLE_AZURE_INSIGHTS = "APPLICATIONINSIGHTS_CONNECTION_STRING" in os.environ
-print("ENABLE_AZURE_INSIGHTS: ", ENABLE_AZURE_INSIGHTS)
-if ENABLE_AZURE_INSIGHTS:
-    MIDDLEWARE.extend(
-        [
-            "opencensus.ext.django.middleware.OpencensusMiddleware",
-            "benefits.core.middleware.LogErrorToAzure",
-        ]
-    )
-
-# only used if enabled above
-OPENCENSUS = {
-    "TRACE": {
-        "SAMPLER": "opencensus.trace.samplers.AlwaysOnSampler()",
-        "EXPORTER": "opencensus.ext.azure.trace_exporter.AzureExporter()",
-    }
-}
-
-
 CSRF_COOKIE_AGE = None
 CSRF_COOKIE_SAMESITE = "Strict"
 CSRF_COOKIE_HTTPONLY = True
@@ -226,7 +203,33 @@ def _filter_empty(ls):
 
 # Logging configuration
 LOG_LEVEL = os.environ.get("DJANGO_LOG_LEVEL", "DEBUG" if DEBUG else "WARNING")
-LOGGING = benefits.logging.get_config(LOG_LEVEL, enable_azure=ENABLE_AZURE_INSIGHTS)
+LOGGING = {
+    "version": 1,
+    "disable_existing_loggers": False,
+    "formatters": {
+        "default": {
+            "format": "[{asctime}] {levelname} {name}:{lineno} {message}",
+            "datefmt": "%d/%b/%Y %H:%M:%S",
+            "style": "{",
+        },
+    },
+    "handlers": {
+        "console": {
+            "class": "logging.StreamHandler",
+            "formatter": "default",
+        },
+    },
+    "root": {
+        "handlers": ["console"],
+        "level": LOG_LEVEL,
+    },
+    "loggers": {
+        "django": {
+            "handlers": ["console"],
+            "propagate": False,
+        },
+    },
+}
 
 sentry.configure()
 

benefits/settings.py

@@ -158,20 +158,6 @@ The base URL for the (running) application, against which all Cypress `.visit()`
 When Cypress is running inside the devcontainer, this should be `http://localhost:8000`. When Cypress is running outside the
 devcontainer, check the [`DJANGO_LOCAL_PORT`](#django_local_port).
 
-## Azure
-
-### `APPLICATIONINSIGHTS_CONNECTION_STRING`
-
-!!! tldr "Azure docs"
-
-    [Azure Monitor connection strings](https://docs.microsoft.com/en-us/azure/azure-monitor/app/sdk-connection-string)
-
-Enables [log collection](../../deployment/troubleshooting/#logs). Set the value in quotes, e.g. `APPLICATIONINSIGHTS_CONNECTION_STRING="InstrumentationKey=…"`.
-
-[app-service-config]: https://docs.microsoft.com/en-us/azure/app-service/configure-common?tabs=portal
-[benefits-secrets]: https://github.com/cal-itp/benefits-secrets
-[getting-started_create-env]: ../getting-started/README.md#create-an-environment-file
-
 ## Sentry
 
 ### `SENTRY_DSN`

docs/configuration/environment-variables.md

@@ -8,8 +8,6 @@ We have [ping tests](https://docs.microsoft.com/en-us/azure/azure-monitor/app/mo
 
 ### Logs
 
-Logs can be found a couple of places:
-
 #### Azure App Service Logs
 
 [Open the `Logs` for the environment you are interested in.](https://docs.google.com/document/d/11EPDIROBvg7cRtU2V42c6VBxcW_o8HhcyORALNtL_XY/edit#heading=h.6pxjhslhxwvj) The following tables are likely of interest:
@@ -20,19 +18,6 @@ Logs can be found a couple of places:
 
 For some pre-defined queries, click `Queries`, then `Group by: Query type`, and look under `Query pack queries`.
 
-#### [Azure Monitor Logs](https://docs.microsoft.com/en-us/azure/azure-monitor/logs/data-platform-logs)
-
-[Open the `Logs` for the environment you are interested in.](https://docs.google.com/document/d/11EPDIROBvg7cRtU2V42c6VBxcW_o8HhcyORALNtL_XY/edit#heading=h.n0oq4r1jo7zs)
-
-The following [tables](https://docs.microsoft.com/en-us/azure/azure-monitor/app/opencensus-python#telemetry-type-mappings) are likely of interest:
-
-- `requests`
-- `traces`
-
-In the latter two, you should see recent log output. Note [there is some latency](https://docs.microsoft.com/en-us/azure/azure-monitor/logs/data-ingestion-time).
-
-See [`Failures`](https://docs.microsoft.com/en-us/azure/azure-monitor/app/asp-net-exceptions#diagnose-failures-using-the-azure-portal) in the sidebar (or `exceptions` under `Logs`) for application errors/exceptions.
-
 #### Live tail
 
 After [setting up the Azure CLI](#making-changes), you can use the following command to [stream live logs](https://docs.microsoft.com/en-us/azure/app-service/troubleshoot-diagnostic-logs#in-local-terminal):