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This can improve performance and stop clients from having to chase a rapidly migrating/bouncing record
(This used to be ctdb commit d0d98f7e45e5084b81335b004d50bddc80cdc219)
If used with -n <nodes> the "current" node needs to change.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit a0340a50c2acd9ccc281faef032a364254f7f95a)
Everytime we give a delegation to another node we count this as one delegation.
If the same record is delegated to several nodes we count one for each node.
Everytime a record has all its delegations revoked we count this as one revoke.
(This used to be ctdb commit b098bcf8007be63889aaed640a951b0eeaa9d191)
An old, buggy version of this code was merged. This fixes it.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit bc4d5d5f0048487776f9f5d9f04a0af2e5d45aac)
parse_nodestring() checks what this used to check. parse_nodestring()
already has the nodemap.
It was a 50-50 decision to decide whether to update verify_node() to
check against a nodemap that is passed in or to delete it.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Conflicts:
tools/ctdb.c
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 2c1baf5ddd3c2cdd2a3f98b8e208d3a48530d1d1)
This is very much like "ctdb status" but actually returns the status
for use in scripts.
This can be used in 2 modes:
* An optional nodestring is passed directly to the command without
using -n. In this mode the current node is asked for the status of
all listed nodes.
* The nodestring is passed via -n. In this mode the designated nodes
will be asked for their status. This is like "ctdb status".
These modes can be mixed. For example:
ctdb nodestatus 1,2,3 -n 0
asks node 0 for the status of nodes 1, 2 and 3, returning the bitwise
OR of their statuses.
This version uses the auto_all functionality, so the output isn't
necessarily pretty. An improved version that does its own -n
processing may appear soon.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 355685a14be17bf4648788f8a72c54790fe03502)
Create 2 new functions: control_status_1_machine() and
control_status_1_human() that contain chunks of code from
control_status(). We're about to find another purpose for these
functions.
This should be a no-op.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit fade71539482e8276f57ba3c003fe004d8666ce7)
Centralise -n nodestring parsing and add the ability to pass a
comma-separated list of node numbers. Listing a node that is
disconnected or deleted results in failure, similar to the way passing
a single node currently works. All of the auto_all commands inherit
this functionality. For now, the non-auto_all commands do not inherit
this - they need to be individually tweaked. Therefore, we haven't
updated the documentation to advertise this feature.
Implemented via a new function parse_nodestring() that parses an
optional (pass NULL when not available to indicate "current node")
comma-separated list of node numbers or "all". parse_nodestring() can
be told to be non-fatal for disconnected/deleted nodes so it can also
be used in other contexts (yes, coming soon). main() is changed to
call this function.
A new magic PNN value CTDB_MULTICAST is added and along with a
corresponding option.nodes structure member (a talloc-ed array of
PNNs). This is also populated for "all" as well.
control_status() has new function pretty_print_flags() factored out so
pretty-printed flags can be used in error/debug messages. New
function is_partially_online() is also factored out - this simplifies
some of the logic.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 920e3a732eb9e09004edde6cfb3c7db8a004016f)
This puts the parsing and checking logic close together. This makes
it easy to change the parsing code. Changed parsing code can now
easily use both old client code and libctdb since both are guaranteed
to be setup.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 57fb074a65dc56168fc3813b79a5bab4b3727cf3)
It's the only one in the file.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit bf1174ef699b06485b36ee8ae70412be0759e142)
This allows all that logic to be hacked a little more easily.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit f93ffeee7b9e9ca5dd116655bdc7f89fc987ed8a)
Most of the action in main() happens inside a for loop and an if
statement. This causes 2 levels of extra indent for the code and
makes it harder to read.
Instead, the current body of the loop is put below the loop and its
corresponding failure check.
To see how small this change really is, view with "diff -w". ;-)
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 8527396b7290cfc8378779631e91d2ae09e2a106)
This didn't have auto_all set as true. However, there's no special
code to handle "-n all" and it just fails. If auto_all works for
status then it might as well work for scriptstatus.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 3084220e2aac3664511969f10cad206e505150a0)
This patch changes the callback signature for traversal
functions to allow a client to abort a traverse before it finishes.
Updates to all callers and examples as well as rb-test tool.
(This used to be ctdb commit 8ab0c63ad36cfbbb1e5fed46a1f4c47b1fdb581f)
This case was never tested and fakessh obviously won't handle the
extra arguments.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 02184bd5b9ab94cdf2b9ff92e56a509f92f9e4aa)
Current behaviour is for onnode to timeout (for about 20s) for each
attempted ssh to a down node. With 40 or 50 invocations of onnode
this takes a long time.
2 changes to work around this:
* If EXTRA_SSH_OPTS (which is passed to ssh by onnode) does not
contains a ConnectTimeout= setting then add a setting for a 5 second
timeout.
* Filter the nodes before starting any diagnosis, taking out any "bad
nodes" that are uncontactable via onnode.
In the nodes summary at the beginning of the output, print
information about any "bad nodes".
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 8c3b6427dbaade87e1a0f5590f0894c2e69b31a3)
Add option -e to get the old behaviour and process empty records too.
Signed-off-by: Michael Adam <obnox@samba.org>
(This used to be ctdb commit d9859540c2000864bc6c58be5afe19aa3b1064b2)
1/0 is unsuitable since it can be useful to check 'if a column is "1" there is something wrong with that node'
(This used to be ctdb commit b963f5e40b1e73a60363568da88557cad9e58a28)
