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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /qa/tasks/tgt.py
parentInitial commit. (diff)
downloadceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.tar.xz
ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.zip
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'qa/tasks/tgt.py')
-rw-r--r--qa/tasks/tgt.py177
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diff --git a/qa/tasks/tgt.py b/qa/tasks/tgt.py
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+"""
+Task to handle tgt
+
+Assumptions made:
+ The ceph-extras tgt package may need to get installed.
+ The open-iscsi package needs to get installed.
+"""
+import logging
+import contextlib
+
+from teuthology import misc as teuthology
+from teuthology import contextutil
+
+log = logging.getLogger(__name__)
+
+
+@contextlib.contextmanager
+def start_tgt_remotes(ctx, start_tgtd):
+ """
+ This subtask starts up a tgtd on the clients specified
+ """
+ remotes = ctx.cluster.only(teuthology.is_type('client')).remotes
+ tgtd_list = []
+ for rem, roles in remotes.items():
+ for _id in roles:
+ if _id in start_tgtd:
+ if not rem in tgtd_list:
+ tgtd_list.append(rem)
+ size = ctx.config.get('image_size', 10240)
+ rem.run(
+ args=[
+ 'rbd',
+ 'create',
+ 'iscsi-image',
+ '--size',
+ str(size),
+ ])
+ rem.run(
+ args=[
+ 'sudo',
+ 'tgtadm',
+ '--lld',
+ 'iscsi',
+ '--mode',
+ 'target',
+ '--op',
+ 'new',
+ '--tid',
+ '1',
+ '--targetname',
+ 'rbd',
+ ])
+ rem.run(
+ args=[
+ 'sudo',
+ 'tgtadm',
+ '--lld',
+ 'iscsi',
+ '--mode',
+ 'logicalunit',
+ '--op',
+ 'new',
+ '--tid',
+ '1',
+ '--lun',
+ '1',
+ '--backing-store',
+ 'iscsi-image',
+ '--bstype',
+ 'rbd',
+ ])
+ rem.run(
+ args=[
+ 'sudo',
+ 'tgtadm',
+ '--lld',
+ 'iscsi',
+ '--op',
+ 'bind',
+ '--mode',
+ 'target',
+ '--tid',
+ '1',
+ '-I',
+ 'ALL',
+ ])
+ try:
+ yield
+
+ finally:
+ for rem in tgtd_list:
+ rem.run(
+ args=[
+ 'sudo',
+ 'tgtadm',
+ '--lld',
+ 'iscsi',
+ '--mode',
+ 'target',
+ '--op',
+ 'delete',
+ '--force',
+ '--tid',
+ '1',
+ ])
+ rem.run(
+ args=[
+ 'rbd',
+ 'snap',
+ 'purge',
+ 'iscsi-image',
+ ])
+ rem.run(
+ args=[
+ 'sudo',
+ 'rbd',
+ 'rm',
+ 'iscsi-image',
+ ])
+
+
+@contextlib.contextmanager
+def task(ctx, config):
+ """
+ Start up tgt.
+
+ To start on on all clients::
+
+ tasks:
+ - ceph:
+ - tgt:
+
+ To start on certain clients::
+
+ tasks:
+ - ceph:
+ - tgt: [client.0, client.3]
+
+ or
+
+ tasks:
+ - ceph:
+ - tgt:
+ client.0:
+ client.3:
+
+ An image blocksize size can also be specified::
+
+ tasks:
+ - ceph:
+ - tgt:
+ image_size = 20480
+
+ The general flow of things here is:
+ 1. Find clients on which tgt is supposed to run (start_tgtd)
+ 2. Remotely start up tgt daemon
+ On cleanup:
+ 3. Stop tgt daemon
+
+ The iscsi administration is handled by the iscsi task.
+ """
+ if config:
+ config = {key : val for key, val in config.items()
+ if key.startswith('client')}
+ # config at this point should only contain keys starting with 'client'
+ start_tgtd = []
+ remotes = ctx.cluster.only(teuthology.is_type('client')).remotes
+ log.info(remotes)
+ if not config:
+ start_tgtd = ['client.{id}'.format(id=id_)
+ for id_ in teuthology.all_roles_of_type(ctx.cluster, 'client')]
+ else:
+ start_tgtd = config
+ log.info(start_tgtd)
+ with contextutil.nested(
+ lambda: start_tgt_remotes(ctx=ctx, start_tgtd=start_tgtd),):
+ yield