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cephadm: Fix trucated output of mgr dump

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In case the process has terminated, we
have to make sure to read till EOF, otherwise
we might skip some bytes.

Fixes: https://tracker.ceph.com/issues/44642

Co-authored-by: Tim Serong <tserong@suse.com>
Signed-off-by: Sebastian Wagner <sebastian.wagner@suse.com>
This commit is contained in:
Sebastian Wagner 2020-03-27 23:24:58 +01:00
parent 037a68d76e
commit 6a6759eef0
1 changed files with 6 additions and 0 deletions
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6
src/cephadm/cephadm
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@ -640,6 +640,12 @@ def call(command, # type: List[str]
message = message_b.decode('utf-8')
if isinstance(message_b, str):
message = message_b
if stop and message:
# process has terminated, but have more to read still, so not stopping yet
# (os.read returns '' when it encounters EOF)
stop = False
if not message:
continue
if fd == process.stdout.fileno():
out += message
message = out_buffer + message