proxy/meta: only create proxies for providers that are enabled

app/terraform/proxy/__init__.py

@@ -5,6 +5,7 @@ import datetime
 from collections import defaultdict
 from typing import Optional, Any, List, Dict
 
+from flask import current_app
 from sqlalchemy import text
 
 from app import app
@@ -65,10 +66,18 @@ class ProxyAutomation(TerraformAutomation):
     Whether this provider supports "smart" proxies.
     """
 
+    cloud_name: str
+    """
+    The name of the cloud provider used by this proxy provider. Used to determine if this provider can be enabled.
+    """
+
     @abstractmethod
     def import_state(self, state: Any) -> None:
         raise NotImplementedError()
 
+    def enabled(self) -> bool:
+        return current_app.config.get(self.cloud_name.upper() + "_ENABLED", False)
+
     def tf_prehook(self) -> Optional[Any]:  # pylint: disable=useless-return
         return None
 

app/terraform/proxy/azure_cdn.py

@@ -11,6 +11,7 @@ class ProxyAzureCdnAutomation(ProxyAutomation):
     provider = "azure_cdn"
     subgroup_members_max = 25
     parallelism = 1
+    cloud_name = "azure"
 
     template_parameters = [
         "azure_resource_group_name",

app/terraform/proxy/cloudfront.py

@@ -11,6 +11,7 @@ class ProxyCloudfrontAutomation(ProxyAutomation):
     description = "Deploy proxies to AWS CloudFront"
     provider = "cloudfront"
     smart_proxies = True
+    cloud_name = "aws"
 
     template_parameters = [
         "aws_access_key",

app/terraform/proxy/fastly.py

@@ -12,6 +12,7 @@ class ProxyFastlyAutomation(ProxyAutomation):
     description = "Deploy proxies to Fastly"
     provider = "fastly"
     subgroup_members_max = 20
+    cloud_name = "fastly"
 
     template_parameters = [
         "aws_access_key",

app/terraform/proxy/meta.py

@@ -18,7 +18,7 @@ PROXY_PROVIDERS = {p.provider: p for p in [  # In order of preference
     ProxyCloudfrontAutomation,
     ProxyFastlyAutomation,
     ProxyAzureCdnAutomation
-]}
+] if p.enabled}
 
 
 def create_proxy(pool: Pool, origin: Origin) -> bool: