feat(nvca): enable ReadWriteMany model caching for Weka and OCI FSS

deploy/helm/nvca-operator/nvca-operator/files/nvcf-storage-capabilities-v1alpha1.yaml

@@ -45,16 +45,23 @@ drivers:
       - nouuid
   - name: csi.weka.io
     provider: weka
-    # Fresh ReadWriteMany and ReadOnlyMany claims were tested, but a cache
-    # workflow was not, so nothing is qualified yet.
-    accessModes: []
+    # Weka is a shared filesystem: one ReadWriteMany claim per cache handle,
+    # populated once and mounted read-only by every reader, with no derived
+    # reader PV, so readerMountOptions stays empty. Enabled so the cache
+    # workflows can be exercised; record the qualification run in the pull
+    # request that flips this entry.
+    accessModes:
+      - ReadWriteMany
     readerMountOptions: []
   - name: fss.csi.oraclecloud.com
     provider: ociFss
-    # A ReadWriteMany claim was tested; its readers used read-only Pod mounts,
-    # which is not evidence for a ReadOnlyMany claim. No cache workflow was
-    # qualified.
-    accessModes: []
+    # OCI File Storage is NFS: one ReadWriteMany claim per cache handle,
+    # populated once and mounted read-only by every reader, with no derived
+    # reader PV, so readerMountOptions stays empty. Enabled so the cache
+    # workflows can be exercised; record the qualification run in the pull
+    # request that flips this entry.
+    accessModes:
+      - ReadWriteMany
     readerMountOptions: []
   - name: lustre.csi.oraclecloud.com
     provider: ociLustre

docs/dev/sdd-storage-agnostic-cache-architecture.md

@@ -62,7 +62,7 @@ drivers:
     encryptionSupported: true
   - name: csi.weka.io
     provider: weka
-    accessModes: []
+    accessModes: [ReadWriteMany]
     readerMountOptions: []
 ```
 

src/compute-plane-services/nvca/deployments/nvca-operator/files/nvcf-storage-capabilities-v1alpha1.yaml

@@ -45,16 +45,23 @@ drivers:
       - nouuid
   - name: csi.weka.io
     provider: weka
-    # Fresh ReadWriteMany and ReadOnlyMany claims were tested, but a cache
-    # workflow was not, so nothing is qualified yet.
-    accessModes: []
+    # Weka is a shared filesystem: one ReadWriteMany claim per cache handle,
+    # populated once and mounted read-only by every reader, with no derived
+    # reader PV, so readerMountOptions stays empty. Enabled so the cache
+    # workflows can be exercised; record the qualification run in the pull
+    # request that flips this entry.
+    accessModes:
+      - ReadWriteMany
     readerMountOptions: []
   - name: fss.csi.oraclecloud.com
     provider: ociFss
-    # A ReadWriteMany claim was tested; its readers used read-only Pod mounts,
-    # which is not evidence for a ReadOnlyMany claim. No cache workflow was
-    # qualified.
-    accessModes: []
+    # OCI File Storage is NFS: one ReadWriteMany claim per cache handle,
+    # populated once and mounted read-only by every reader, with no derived
+    # reader PV, so readerMountOptions stays empty. Enabled so the cache
+    # workflows can be exercised; record the qualification run in the pull
+    # request that flips this entry.
+    accessModes:
+      - ReadWriteMany
     readerMountOptions: []
   - name: lustre.csi.oraclecloud.com
     provider: ociLustre

src/compute-plane-services/nvca/pkg/storage/storage_capabilities_test.go

@@ -380,18 +380,27 @@ func TestShippedStorageCapabilityCatalog(t *testing.T) {
 	require.NotNil(t, nvmesh.ReaderMountOptions)
 	assert.Equal(t, []string{"ro", "norecovery", "nouuid"}, *nvmesh.ReaderMountOptions)
 
-	// Weka, FSS and Lustre are recorded but not qualified for a cache workflow,
-	// so they carry no access modes and caching stays off for them. Enabling
-	// one is an edit to its accessModes, backed by a qualification run.
-	for _, provisioner := range []string{"csi.weka.io", "fss.csi.oraclecloud.com", "lustre.csi.oraclecloud.com"} {
+	// Weka and OCI FSS are shared filesystems enabled on the ReadWriteMany
+	// shape: one shared claim, readers mount it read-only, no derived reader
+	// PV and therefore no reader mount options.
+	for _, provisioner := range []string{"csi.weka.io", "fss.csi.oraclecloud.com"} {
 		driver, ok := catalog.Drivers[provisioner]
 		require.True(t, ok, provisioner)
 		require.NotNil(t, driver.AccessModes, provisioner)
-		assert.Empty(t, *driver.AccessModes, provisioner)
+		assert.Equal(t, []string{"ReadWriteMany"}, *driver.AccessModes, provisioner)
 		require.NotNil(t, driver.ReaderMountOptions, provisioner)
 		assert.Empty(t, *driver.ReaderMountOptions, provisioner)
 	}
 
+	// Lustre is recorded but not enabled for a cache workflow, so it carries
+	// no access modes and caching stays off for it.
+	lustre, ok := catalog.Drivers["lustre.csi.oraclecloud.com"]
+	require.True(t, ok)
+	require.NotNil(t, lustre.AccessModes)
+	assert.Empty(t, *lustre.AccessModes)
+	require.NotNil(t, lustre.ReaderMountOptions)
+	assert.Empty(t, *lustre.ReaderMountOptions)
+
 	schemaRaw, err := os.ReadFile(filepath.Join(chartDir, "files", "nvcf-storage-capabilities-v1alpha1.schema.json"))
 	require.NoError(t, err)
 	assert.True(t, json.Valid(schemaRaw), "shipped JSON schema must be valid JSON")