Exporter: don't export storage when databricks_pipeline was created with default value (#2203)

When `storage` isn't specified in DLT pipeline, then DLT service generates a unique
location on DBFS, but it's not portable, and should be ignored...

Author: alexott

exporter/importables.go

@@ -47,6 +47,7 @@ var (
 	predefinedClusterPolicies = []string{"Personal Compute", "Job Compute", "Power User Compute", "Shared Compute"}
 	secretPathRegex           = regexp.MustCompile(`^\{\{secrets\/([^\/]+)\/([^}]+)\}\}$`)
 	sqlParentRegexp           = regexp.MustCompile(`^folders/(\d+)$`)
+	dltDefaultStorageRegex    = regexp.MustCompile(`^dbfs:/pipelines/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$`)
 )
 
 func generateMountBody(ic *importContext, body *hclwrite.Body, r *resource) error {
@@ -1613,6 +1614,9 @@ var resourcesMap map[string]importable = map[string]importable{
 			if res := dltClusterRegex.FindStringSubmatch(pathString); res != nil { // analyze DLT clusters
 				return makeShouldOmitFieldForCluster(dltClusterRegex)(ic, pathString, as, d)
 			}
+			if pathString == "storage" {
+				return dltDefaultStorageRegex.FindStringSubmatch(d.Get("storage").(string)) != nil
+			}
 			return pathString == "creator_user_name" || defaultShouldOmitFieldFunc(ic, pathString, as, d)
 		},
 		Depends: []reference{

exporter/test-data/get-dlt-pipeline.json

@@ -49,7 +49,7 @@
     ],
     "name": "Test DLT",
     "photon": false,
-    "storage": "/tmp/test",
+    "storage": "dbfs:/pipelines/9ab12322-ccef-4539-8bf1-a43a95667dac",
     "target": "test"
   },
   "state": "IDLE"