mirror of
https://github.com/ceph/ceph
synced 2024-12-24 20:33:27 +00:00
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
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"""
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Set up ceph-iscsi client.
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"""
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import logging
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import contextlib
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from textwrap import dedent
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log = logging.getLogger(__name__)
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@contextlib.contextmanager
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def task(ctx, config):
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"""
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Set up ceph-iscsi client.
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tasks:
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ceph_iscsi_client:
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clients: [client.1]
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"""
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log.info('Setting up ceph-iscsi client...')
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for role in config['clients']:
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(remote,) = (ctx.cluster.only(role).remotes.keys())
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conf = dedent('''
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InitiatorName=iqn.1994-05.com.redhat:client
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''')
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path = "/etc/iscsi/initiatorname.iscsi"
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remote.sudo_write_file(path, conf, mkdir=True)
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# the restart is needed after the above change is applied
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remote.run(args=['sudo', 'systemctl', 'restart', 'iscsid'])
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remote.run(args=['sudo', 'modprobe', 'dm_multipath'])
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remote.run(args=['sudo', 'mpathconf', '--enable'])
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conf = dedent('''
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devices {
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device {
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vendor "LIO-ORG"
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product "TCMU device"
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hardware_handler "1 alua"
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path_grouping_policy "failover"
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path_selector "queue-length 0"
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failback 60
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path_checker tur
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prio alua
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prio_args exclusive_pref_bit
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fast_io_fail_tmo 25
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no_path_retry queue
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}
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}
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''')
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path = "/etc/multipath.conf"
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remote.sudo_write_file(path, conf, append=True)
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remote.run(args=['sudo', 'systemctl', 'start', 'multipathd'])
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yield
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