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Improve missing cluster ID guidance #1545

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Improve missing cluster ID guidance #1545

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4ee33b4
Improve missing cluster ID guidance
TangoEnSkai Aug 23, 2026
0ab3e56
Merge upstream main into missing cluster guidance fix
TangoEnSkai Sep 23, 2026
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5 changes: 4 additions & 1 deletion databricks/sdk/dbutils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -243,7 +243,10 @@ def widgets(self):
def _cluster_id(self) -> str:
cluster_id = self._config.cluster_id
if not cluster_id:
message = "cluster_id is required in the configuration"
message = (
"cluster_id is required in the configuration. "
"Set it with Config(cluster_id='...') or the DATABRICKS_CLUSTER_ID environment variable"
)
raise ValueError(self._config.wrap_debug_info(message))
return cluster_id

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6 changes: 5 additions & 1 deletion tests/test_dbutils.py
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Expand Up @@ -113,7 +113,11 @@ def test_fs_rm(dbutils, mocker):
inner.assert_called_with("a", recursive=False)


@raises("cluster_id is required in the configuration. Config: host=http://localhost, auth_type=noop")
@raises(
"cluster_id is required in the configuration. "
"Set it with Config(cluster_id='...') or the DATABRICKS_CLUSTER_ID environment variable. "
"Config: host=http://localhost, auth_type=noop"
)
def test_fs_mount_without_cluster_fails(dbutils):
dbutils.fs.mount("s3://foo", "bar")

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