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Call __validate_auth() under monc->mutex, and use helper for
initial hello so that the pending_auth flag is set. This fixes
possible races in which we have an authentication request (hello
or otherwise) pending and send another one. In particular, with
auth_none, we _never_ want to call ceph_build_auth() from
__validate_auth(), since the ->build_request() method is NULL.
Signed-off-by: Sage Weil <sage@newdream.net>
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An rbtree is lighter weight, particularly given we will generally have
very few in-flight statfs requests.
Signed-off-by: Sage Weil <sage@newdream.net>
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Add infrastructure to allow the mon_client to periodically renew its auth
credentials. Also add a messenger callback that will force such a renewal
if a peer rejects our authenticator.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
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Now doing it in the same callback that is also responsible for
allocating the 'front' part of the message. If we get a message
that we haven't got a corresponding tid for, mark it for skipping.
Moving the mutex unlock/lock from the osd alloc_msg callback
to the calling function in the messenger.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
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Both front and middle parts of the message are now being
allocated at the ceph_alloc_msg().
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
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The ceph_entity_addr erank field is obsolete; remove it. Get rid of
trivial addr comparison helpers while we're at it.
Signed-off-by: Sage Weil <sage@newdream.net>
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Many (most?) message types include a transaction id. By including it in
the fixed size header, we always have it available even when we are unable
to allocate memory for the (larger, variable sized) message body. This
will allow us to error out the appropriate request instead of (silently)
dropping the reply.
Signed-off-by: Sage Weil <sage@newdream.net>
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Also, print fsid using standard format, NOT hex dump.
Signed-off-by: Sage Weil <sage@newdream.net>
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Fix leak of monc mutex on ENOMEM or bad fsid when receiving new mon map.
Audited all other users.
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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Left over from mount/auth protocol changes.
Signed-off-by: Sage Weil <sage@newdream.net>
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We may first learn our fsid from any of the mon, osd, or mds maps
(whichever the monitor sends first). Consolidate checks in a single
helper. Initialize the client debugfs entry then, since we need the
fsid (and global_id) for the directory name.
Also remove dead mount code.
Signed-off-by: Sage Weil <sage@newdream.net>
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When we open a monitor session, we send an initial AUTH message listing
the auth protocols we support, our entity name, and (possibly) a previously
assigned global_id. The monitor chooses a protocol and responds with an
initial message.
Initially implement AUTH_NONE, a dummy protocol that provides no security,
but works within the new framework. It generates 'authorizers' that are
used when connecting to (mds, osd) services that simply state our entity
name and global_id.
This is a wire protocol change.
Signed-off-by: Sage Weil <sage@newdream.net>
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We exchange struct ceph_entity_addr over the wire and store it on disk.
The sockaddr_storage.ss_family field, however, is host endianness. So,
fix ss_family endianness to big endian when sending/receiving over the
wire.
Signed-off-by: Sage Weil <sage@newdream.net>
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This simplifies much of the error handling during mount. It also means
that we have the mount args before client creation, and we can initialize
based on those options.
Signed-off-by: Sage Weil <sage@newdream.net>
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Pass the front_len we need when pulling a message off a msgpool,
and WARN if it is greater than the pool's size. Then try to
allocate a new message (to continue without failing).
Signed-off-by: Sage Weil <sage@newdream.net>
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Defined a struct for the SUBSCRIBE_ACK, and use that to size
the msgpool.
Signed-off-by: Sage Weil <sage@newdream.net>
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This avoids the fugly pass by reference and makes the code a bit easier
to read.
Signed-off-by: Sage Weil <sage@newdream.net>
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This lets us extend the format more easily.
Signed-off-by: Sage Weil <sage@newdream.net>
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The mon request headers now include session_mon information that must
be properly initialized.
Signed-off-by: Sage Weil <sage@newdream.net>
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Be conservative: renew subscription once half the interval has expired.
Do not reuse sub expiration to control hunting.
Signed-off-by: Sage Weil <sage@newdream.net>
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The monitor cluster is responsible for managing cluster membership
and state. The monitor client handles what minimal interaction
the Ceph client has with it: checking for updated versions of the
MDS and OSD maps, getting statfs() information, and unmounting.
Signed-off-by: Sage Weil <sage@newdream.net>
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