mirror of
https://github.com/ceph/ceph
synced 2024-12-22 19:34:30 +00:00
83 lines
2.7 KiB
Python
83 lines
2.7 KiB
Python
"""
|
|
Populate rbd pools
|
|
"""
|
|
import contextlib
|
|
import logging
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
@contextlib.contextmanager
|
|
def task(ctx, config):
|
|
"""
|
|
Populate <num_pools> pools with prefix <pool_prefix> with <num_images>
|
|
rbd images at <num_snaps> snaps
|
|
|
|
The config could be as follows::
|
|
|
|
populate_rbd_pool:
|
|
client: <client>
|
|
pool_prefix: foo
|
|
num_pools: 5
|
|
num_images: 10
|
|
num_snaps: 3
|
|
image_size: 10737418240
|
|
"""
|
|
if config is None:
|
|
config = {}
|
|
client = config.get("client", "client.0")
|
|
pool_prefix = config.get("pool_prefix", "foo")
|
|
num_pools = config.get("num_pools", 2)
|
|
num_images = config.get("num_images", 20)
|
|
num_snaps = config.get("num_snaps", 4)
|
|
image_size = config.get("image_size", 100)
|
|
write_size = config.get("write_size", 1024*1024)
|
|
write_threads = config.get("write_threads", 10)
|
|
write_total_per_snap = config.get("write_total_per_snap", 1024*1024*30)
|
|
|
|
(remote,) = ctx.cluster.only(client).remotes.iterkeys()
|
|
|
|
for poolid in range(num_pools):
|
|
poolname = "%s-%s" % (pool_prefix, str(poolid))
|
|
log.info("Creating pool %s" % (poolname,))
|
|
ctx.managers['ceph'].create_pool(poolname)
|
|
for imageid in range(num_images):
|
|
imagename = "rbd-%s" % (str(imageid),)
|
|
log.info("Creating imagename %s" % (imagename,))
|
|
remote.run(
|
|
args = [
|
|
"rbd",
|
|
"create",
|
|
imagename,
|
|
"--image-format", "1",
|
|
"--size", str(image_size),
|
|
"--pool", str(poolname)])
|
|
def bench_run():
|
|
remote.run(
|
|
args = [
|
|
"rbd",
|
|
"bench-write",
|
|
imagename,
|
|
"--pool", poolname,
|
|
"--io-size", str(write_size),
|
|
"--io-threads", str(write_threads),
|
|
"--io-total", str(write_total_per_snap),
|
|
"--io-pattern", "rand"])
|
|
log.info("imagename %s first bench" % (imagename,))
|
|
bench_run()
|
|
for snapid in range(num_snaps):
|
|
snapname = "snap-%s" % (str(snapid),)
|
|
log.info("imagename %s creating snap %s" % (imagename, snapname))
|
|
remote.run(
|
|
args = [
|
|
"rbd", "snap", "create",
|
|
"--pool", poolname,
|
|
"--snap", snapname,
|
|
imagename
|
|
])
|
|
bench_run()
|
|
|
|
try:
|
|
yield
|
|
finally:
|
|
log.info('done')
|