Remove statsd

We don't expose these metrics anywhere anyway and we want to move to
prometheus too (which will be done in the next commit)

app/__init__.py

@@ -45,12 +45,7 @@ from app import proxy_fix
 from app.asset_fingerprinter import asset_fingerprinter
 from app.commands import setup_commands
 from app.config import configs
-from app.extensions import (
-    antivirus_client,
-    redis_client,
-    statsd_client,
-    zendesk_client,
-)
+from app.extensions import antivirus_client, redis_client, zendesk_client
 from app.models.organisation import Organisation
 from app.models.service import Service
 from app.models.user import AnonymousUser, User
@@ -166,14 +161,13 @@ def create_app(application):
 
         # External API clients
         antivirus_client,
-        statsd_client,
+        redis_client,
         zendesk_client,
-        redis_client
 
     ):
         client.init_app(application)
 
-    logging.init_app(application, statsd_client)
+    logging.init_app(application)
 
     login_manager.login_view = 'main.sign_in'
     login_manager.login_message_category = 'default'

app/config.py

@@ -20,11 +20,6 @@ class Config(object):
     TEMPLATE_PREVIEW_API_HOST = os.environ.get('TEMPLATE_PREVIEW_API_HOST', 'http://localhost:6013')
     TEMPLATE_PREVIEW_API_KEY = os.environ.get('TEMPLATE_PREVIEW_API_KEY', 'my-secret-key')
 
-    # Hosted graphite statsd prefix
-    STATSD_ENABLED = False
-    STATSD_HOST = os.getenv('STATSD_HOST')
-    STATSD_PORT = 8125
-
     # Logging
     DEBUG = False
     NOTIFY_LOG_PATH = os.getenv('NOTIFY_LOG_PATH')
@@ -97,7 +92,6 @@ class Development(Config):
     DEBUG = True
     SESSION_COOKIE_SECURE = False
     SESSION_PROTECTION = None
-    STATSD_ENABLED = False
     CSV_UPLOAD_BUCKET_NAME = 'development-notifications-csv-upload'
     CONTACT_LIST_UPLOAD_BUCKET_NAME = 'development-contact-list'
     LOGO_UPLOAD_BUCKET_NAME = 'public-logos-tools'
@@ -120,7 +114,6 @@ class Development(Config):
 class Test(Development):
     DEBUG = True
     TESTING = True
-    STATSD_ENABLED = False
     WTF_CSRF_ENABLED = False
     CSV_UPLOAD_BUCKET_NAME = 'test-notifications-csv-upload'
     CONTACT_LIST_UPLOAD_BUCKET_NAME = 'test-contact-list'
@@ -141,7 +134,6 @@ class Test(Development):
 class Preview(Config):
     HTTP_PROTOCOL = 'https'
     HEADER_COLOUR = '#F499BE'  # $baby-pink
-    STATSD_ENABLED = True
     CSV_UPLOAD_BUCKET_NAME = 'preview-notifications-csv-upload'
     CONTACT_LIST_UPLOAD_BUCKET_NAME = 'preview-contact-list'
     LOGO_UPLOAD_BUCKET_NAME = 'public-logos-preview'
@@ -160,7 +152,6 @@ class Staging(Config):
     SHOW_STYLEGUIDE = False
     HTTP_PROTOCOL = 'https'
     HEADER_COLOUR = '#6F72AF'  # $mauve
-    STATSD_ENABLED = True
     CSV_UPLOAD_BUCKET_NAME = 'staging-notifications-csv-upload'
     CONTACT_LIST_UPLOAD_BUCKET_NAME = 'staging-contact-list'
     LOGO_UPLOAD_BUCKET_NAME = 'public-logos-staging'
@@ -176,7 +167,6 @@ class Live(Config):
     SHOW_STYLEGUIDE = False
     HEADER_COLOUR = '#005EA5'  # $govuk-blue
     HTTP_PROTOCOL = 'https'
-    STATSD_ENABLED = True
     CSV_UPLOAD_BUCKET_NAME = 'live-notifications-csv-upload'
     CONTACT_LIST_UPLOAD_BUCKET_NAME = 'production-contact-list'
     LOGO_UPLOAD_BUCKET_NAME = 'public-logos-production'
@@ -196,7 +186,6 @@ class CloudFoundryConfig(Config):
 class Sandbox(CloudFoundryConfig):
     HTTP_PROTOCOL = 'https'
     HEADER_COLOUR = '#F499BE'  # $baby-pink
-    STATSD_ENABLED = True
     CSV_UPLOAD_BUCKET_NAME = 'cf-sandbox-notifications-csv-upload'
     LOGO_UPLOAD_BUCKET_NAME = 'cf-sandbox-notifications-logo-upload'
     NOTIFY_ENVIRONMENT = 'sandbox'

app/extensions.py

@@ -2,10 +2,8 @@ from notifications_utils.clients.antivirus.antivirus_client import (
     AntivirusClient,
 )
 from notifications_utils.clients.redis.redis_client import RedisClient
-from notifications_utils.clients.statsd.statsd_client import StatsdClient
 from notifications_utils.clients.zendesk.zendesk_client import ZendeskClient
 
 antivirus_client = AntivirusClient()
-statsd_client = StatsdClient()
 zendesk_client = ZendeskClient()
 redis_client = RedisClient()

manifest.yml.j2

@@ -50,8 +50,6 @@ applications:
       ANTIVIRUS_API_HOST: '{{ ANTIVIRUS_API_HOST }}'
       ANTIVIRUS_API_KEY: '{{ ANTIVIRUS_API_KEY }}'
 
-      STATSD_HOST: 'notify-statsd-exporter-{{ environment }}.apps.internal'
-
       ZENDESK_API_KEY: '{{ ZENDESK_API_KEY }}'
 
       TEMPLATE_PREVIEW_API_HOST: '{{ TEMPLATE_PREVIEW_API_HOST }}'