feat: support non-enumerated ecosystem version queries on prod instan…

…ce (#2530)

Issue: #2401
Enable API queries for specific versions in non-enumerated ecosystems
(Rocky Linux, AlmaLinux, Chainguard, and Wolfi) on the production
instance. This change will not affect queries for other ecosystems.

gcp/api/server.py

@@ -1185,10 +1185,9 @@ def query_by_version(context: QueryContext,
 
   ecosystem_info = ecosystems.get(ecosystem)
   is_semver = ecosystem_info and ecosystem_info.is_semver
-  supports_ordering = ecosystem_info and ecosystem_info.supports_ordering
+  supports_comparing = ecosystem_info and ecosystem_info.supports_comparing
 
   bugs = []
-  project = get_gcp_project()
   if ecosystem:
     if is_semver:
       # Ecosystem supports semver only.
@@ -1202,10 +1201,8 @@ def query_by_version(context: QueryContext,
       for bug in new_bugs:
         if bug not in bugs:
           bugs.append(bug)
-
-    elif project == 'oss-vdb-test' and supports_ordering:
+    elif supports_comparing:
       # Query for non-enumerated ecosystems.
-
       bugs = yield _query_by_comparing_versions(context, query, ecosystem,
                                                 version)
     else:

osv/ecosystems/alma_linux.py

@@ -31,3 +31,7 @@ def enumerate_versions(self,
                          last_affected=None,
                          limits=None):
     raise NotImplementedError('Ecosystem helper does not support enumeration')
+
+  @property
+  def supports_comparing(self):
+    return True

osv/ecosystems/chainguard.py

@@ -35,3 +35,7 @@ def enumerate_versions(self,
                          last_affected=None,
                          limits=None):
     raise NotImplementedError('Ecosystem helper does not support enumeration')
+
+  @property
+  def supports_comparing(self):
+    return True

osv/ecosystems/helper_base.py

@@ -118,6 +118,12 @@ def is_semver(self):
   def supports_ordering(self):
     return True
 
+  @property
+  def supports_comparing(self):
+    """Determines whether to use affected version range comparison
+    for API queries."""
+    return False
+
 
 class OrderingUnsupportedEcosystem(Ecosystem):
   """Placeholder ecosystem helper for unimplemented ecosystems."""

osv/ecosystems/rocky_linux.py

@@ -34,3 +34,7 @@ def enumerate_versions(self,
                          last_affected=None,
                          limits=None):
     raise NotImplementedError('Ecosystem helper does not support enumeration')
+
+  @property
+  def supports_comparing(self):
+    return True

osv/ecosystems/wolfi.py

@@ -36,3 +36,7 @@ def enumerate_versions(self,
                          last_affected=None,
                          limits=None):
     raise NotImplementedError('Ecosystem helper does not support enumeration')
+
+  @property
+  def supports_comparing(self):
+    return True