mirror of
https://github.com/ceph/ceph
synced 2024-12-16 08:26:25 +00:00
83 lines
2.7 KiB
Python
83 lines
2.7 KiB
Python
"""
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Populate rbd pools
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"""
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import contextlib
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import logging
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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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Populate <num_pools> pools with prefix <pool_prefix> with <num_images>
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rbd images at <num_snaps> snaps
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The config could be as follows::
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populate_rbd_pool:
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client: <client>
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pool_prefix: foo
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num_pools: 5
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num_images: 10
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num_snaps: 3
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image_size: 10737418240
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"""
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if config is None:
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config = {}
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client = config.get("client", "client.0")
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pool_prefix = config.get("pool_prefix", "foo")
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num_pools = config.get("num_pools", 2)
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num_images = config.get("num_images", 20)
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num_snaps = config.get("num_snaps", 4)
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image_size = config.get("image_size", 100)
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write_size = config.get("write_size", 1024*1024)
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write_threads = config.get("write_threads", 10)
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write_total_per_snap = config.get("write_total_per_snap", 1024*1024*30)
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(remote,) = ctx.cluster.only(client).remotes.iterkeys()
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for poolid in range(num_pools):
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poolname = "%s-%s" % (pool_prefix, str(poolid))
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log.info("Creating pool %s" % (poolname,))
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ctx.managers['ceph'].create_pool(poolname)
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for imageid in range(num_images):
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imagename = "rbd-%s" % (str(imageid),)
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log.info("Creating imagename %s" % (imagename,))
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remote.run(
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args = [
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"rbd",
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"create",
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imagename,
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"--image-format", "1",
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"--size", str(image_size),
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"--pool", str(poolname)])
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def bench_run():
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remote.run(
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args = [
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"rbd",
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"bench-write",
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imagename,
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"--pool", poolname,
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"--io-size", str(write_size),
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"--io-threads", str(write_threads),
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"--io-total", str(write_total_per_snap),
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"--io-pattern", "rand"])
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log.info("imagename %s first bench" % (imagename,))
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bench_run()
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for snapid in range(num_snaps):
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snapname = "snap-%s" % (str(snapid),)
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log.info("imagename %s creating snap %s" % (imagename, snapname))
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remote.run(
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args = [
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"rbd", "snap", "create",
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"--pool", poolname,
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"--snap", snapname,
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imagename
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])
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bench_run()
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try:
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yield
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finally:
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log.info('done')
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