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43 lines
1.9 KiB
Python
43 lines
1.9 KiB
Python
from integration_tests.ssh import ClusterConfig
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from integration_tests.utils import assert_dict_includes, drop_timestamp
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class TestRemoveNode:
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def test_remove_node(self, cluster_config: ClusterConfig, complete_cluster):
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"""Test removing hosts from the cluster"""
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# Remove replicas
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remove_cmd = "cluster node remove "
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for replica in cluster_config.replicas:
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remove_cmd += f"--node {replica.private_ip} "
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remove_out = cluster_config.primary.exec_mcs(remove_cmd)
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assert len(remove_out) == len(cluster_config.replicas)
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removed_node_ids = {node["node_id"] for node in remove_out}
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expected_node_ids = {str(replica.private_ip) for replica in cluster_config.replicas}
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assert removed_node_ids == expected_node_ids
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status_out = cluster_config.primary.exec_mcs("cluster status")
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assert status_out["num_nodes"] == 1
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assert str(cluster_config.primary.private_ip) in status_out
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primary_status = drop_timestamp(status_out[str(cluster_config.primary.private_ip)])
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assert_dict_includes(
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primary_status,
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{
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"dbrm_mode": "master",
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"cluster_mode": "readwrite",
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"dbroots": ['1', '2', '3'], # All the dbroots are rebalanced to the last host
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"module_id": 1,
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},
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)
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# Remove primary node
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print(f"Removing primary node ({cluster_config.primary}) from the cluster")
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remove_out = cluster_config.primary.exec_mcs(f"cluster node remove --node {cluster_config.primary.private_ip}")
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assert len(remove_out) == 1
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assert remove_out[0]["node_id"] == str(cluster_config.primary.private_ip)
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status_out = cluster_config.primary.exec_mcs("cluster status")
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print(status_out)
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assert status_out["num_nodes"] == 0
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assert str(cluster_config.primary.private_ip) not in status_out
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