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25 lines
1.2 KiB
Python
25 lines
1.2 KiB
Python
from integration_tests.ssh import RemoteHost
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def activate_single_node_config(host: RemoteHost):
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"""
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Stop MCS services on the host.
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"""
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with host.ssh_connection() as conn:
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print(f"{host.name}: Stopping MCS services...")
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conn.sudo("systemctl stop mariadb mcs-workernode@1 mcs-workernode@2 mcs-writeengineserver mcs-storagemanager mcs-ddlproc mcs-dmlproc mcs-primproc mcs-controllernode", hide=True)
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print(f"{host.name}: Activating single node configuration...")
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conn.sudo("cp /usr/share/columnstore/cmapi/cmapi_server/SingleNode.xml /etc/columnstore/Columnstore.xml", hide=True)
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print(f"{host.name}: Truncating log files...")
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truncation_script = """
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for log in crit.log err.log info.log debug.log cmapi_server.log mcs_cli.log; do
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if [ -f /var/log/mariadb/columnstore/$log ]; then
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sudo truncate -s 0 /var/log/mariadb/columnstore/$log
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fi
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done"""
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conn.sudo(truncation_script, hide=True, shell=True)
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print(f"{host.name}: Starting cmapi service...")
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conn.sudo("systemctl start mariadb-columnstore-cmapi", hide=True)
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mcs_output = host.exec_mcs("cluster status")
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assert mcs_output.get("num_nodes") == 0
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