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Author SHA1 Message Date
Jarrod Johnson
1d16534c16 If replacing a follower stream, ensure the old one closes 2018-07-13 09:37:00 -04:00
Jarrod Johnson
c80ebb0e8d Explicitly close connection before replacement 
If an existing follower is stalled out, close the socket explicitly
to avoid leaving it open in lsof.
 2018-07-13 09:14:36 -04:00
Jarrod Johnson
efaf1dae70 Make cfgleader modifications more robust 
If cfgleader is about to forget a socket, explicitly try to close
it first.
 2018-07-13 09:05:28 -04:00
Jarrod Johnson
1de82936ed Add full sync mode 
For implementing clear config, all data must be presumed dirty.
 2018-07-12 17:06:37 -04:00
Jarrod Johnson
b0c384c9ca Check quorum on attribute read 
It's too bizarre for attribute read from api to work
without quorum, could be misleading.
 2018-07-12 16:05:04 -04:00
Jarrod Johnson
61dd71778f Never generate new key on crypt read 
An autogenerated key on read can never be useful.  Instead, let it fail
and assume a repair action is coming.
 2018-07-12 15:55:05 -04:00
Jarrod Johnson
0f3014957b Fix non-ascii unicode handling of consoles 2018-07-12 14:16:44 -04:00
Jarrod Johnson
c925353f02 Fix rollback 
First the data was not actually being staged in the rollback area.
Secondly, there wasn't an assurance that the disk wouldn't have rollback
committed...
 2018-07-12 10:01:32 -04:00
Jarrod Johnson
9edb225bd3 Fix the reference to sync to file 2018-07-12 09:20:41 -04:00
Jarrod Johnson
7cdc3c1400 Implement clear config rollback 
Should something go awry during config
load, rollback the clear and load.
 2018-07-12 08:48:21 -04:00
Jarrod Johnson
bd2a3f14e6 Defer txcount increment until after potential failure 
This avoids the txcount incrementing when no transaction actually
occurs.
 2018-07-12 08:41:07 -04:00
Jarrod Johnson
87d00b7447 Fix typo in manpage for nodeattrib 2018-07-11 16:48:41 -04:00
Jarrod Johnson
beedfb0600 If a drone doesn't exist, treat it as if it's an invalid certificate 2018-07-11 16:29:45 -04:00
Jarrod Johnson
ce59a36351 Avoid excessive syncs on connect 
This removes some redundancy and avoids writing and loading to disk
during the initialization process.
 2018-07-11 16:07:56 -04:00
Jarrod Johnson
a1e612968e Merge branch 'clustertime' of github.com:jjohnson42/confluent into clustertime 2018-07-11 13:44:30 -04:00
Jarrod Johnson
ce1a58bf58 Provide a more specific error when file doesn't exist 
nodemedia does check locally, but server should also check it, in
case of remote *and* service nodes.
 2018-07-11 13:17:37 -04:00
Jarrod Johnson
b386084f2d Note future enhancement for flattening on collective manager change... 2018-07-11 11:07:59 -04:00
Jarrod Johnson
8e9bcbb44f Clear txcount on enroll 
The transaction count on 'join' was being honored as high, when
it never should be.
 2018-07-11 09:40:22 -04:00
Jarrod Johnson
704aaeecf9 Tolerate newline in myname 
vim is quite insistent on adding a newline, tolerate that.
 2018-07-11 09:36:51 -04:00
Jarrod Johnson
11968faffc Numerous fixes to collective 
If client has higher transaction count, do not close the connection
before extracting peer address.

If our connect session is rudely terminated, abort rather than trying
to continue.

On assimilate failure, ignore a failed assimilate with no data.

Fix problem where a follower getting double deleted was causing an error.
 2018-07-10 14:55:57 -04:00
Jarrod Johnson
8769c438c0 Relax cryptodomex requirement 
We don't *need* the higher version, it just accelerates password auth
if possible.  Fix conflict with RH provided package.
 2018-07-10 10:10:04 -04:00
Jarrod Johnson
f1489bf527 Add all to SYNOPSIS of nodeattrib 2018-07-09 16:52:07 -04:00
Jarrod Johnson
c03781c022 Add 'all' to usage message of nodeattrib 2018-07-09 16:49:45 -04:00
Jarrod Johnson
298e11f60f Allow invite from non-leader role 
A non-leader transaction is modified such that the enroll node
can be connected to the leader and have validation.
 2018-07-09 16:40:43 -04:00
Jarrod Johnson
67d6e9a6c7 Add collective show 
Provide a harmless way to look at collective state
 2018-07-09 15:07:24 -04:00
Jarrod Johnson
a4edf9afb8 Rename confluentutil to collective 
Also adjust output to be a bit more automation friendly.
 2018-07-09 13:33:56 -04:00
Jarrod Johnson
2342fe717e Remove superfluous call to sync to file 
load_from_json already makes the call, remove the extra call that is
redundant.
 2018-07-09 12:59:37 -04:00
Jarrod Johnson
08cf698609 Only conditionally require ffi 
Only collective mode requires ffi, do not incur requirement for
non-collective mode.
 2018-07-09 09:41:10 -04:00
Jarrod Johnson
a905ae4865 Only zap cfgleader if not set 
stale relay_slaved_requests was trouncing following status, correct
by avoiding zapping that state
 2018-07-03 14:43:23 -04:00
Jarrod Johnson
1eaf5357ca Resolve race conditions on simultaneous collective outage 
Implement random backoff strategy for serializing connect out and
connect in.
 2018-07-03 14:09:09 -04:00
Jarrod Johnson
39378170b1 Add an error if cfgstreams loses a follower 2018-07-03 11:13:23 -04:00
Jarrod Johnson
2156e99ae4 Use alternative name for pycryptodomex 2018-07-03 10:43:05 -04:00
Jarrod Johnson
bba12ed9e7 Update requirements to pull in cryptodomex 2018-07-03 10:32:33 -04:00
Jarrod Johnson
282043ed97 Switch to cryptodome 
Cryptodome is a modern, but compatible replacement for pycrypto.

We may move to cryptography eventually, but start with this for now
for some nice speedups in some cases.
 2018-07-03 10:31:13 -04:00
Jarrod Johnson
0b26d12837 Fix memory leaks 
For one, configmanager was left with stale callback references, clean
those up.

For another, the callback pattern was creating a circular reference that
python memory management couldn't overcome.  Break the reference
explicity when an item is disposed of.
 2018-07-03 08:58:11 -04:00
Jarrod Johnson
956faee052 Correct typo in variable name 2018-06-28 14:12:56 -04:00
Jarrod Johnson
8e77466875 Carry txcount through connect replica 
The txcount was not up to date when offline updates occurred.
 2018-06-28 13:54:31 -04:00
Jarrod Johnson
f01c7e19f7 Fix HA healing problems 
If we are superior to leader, become leader
When abandoned by a leader, forget the leader.
 2018-06-28 13:51:52 -04:00
Jarrod Johnson
5d894912ac Clean up more potential for CLOSE_WAIT 
Explicitly close sockets in a few more places.
 2018-06-28 10:50:03 -04:00
Jarrod Johnson
93e78d1f03 Fix try_assimilate 
Also get rid of CLOSE_WAIT in some situations.
 2018-06-28 09:53:34 -04:00
Jarrod Johnson
97f932b946 Fix the attempt to assimilate 
In the wake of leader loss, the assimilate attempt was causing one
of a couple of bad behaviors, a trace if broken and if it should
work, the format of the data payload was incorrect.
 2018-06-26 15:29:51 -04:00
Jarrod Johnson
61f24f4d8a Fix mismatched braces in previous commit 2018-06-26 15:09:17 -04:00
Jarrod Johnson
68a79695fc Add check for quorum to invite generation process 
If a would-be collective member has no quorum, provide a clear
message indicating this as an issue.
 2018-06-26 14:55:42 -04:00
Jarrod Johnson
401352998c Correctly show the error on non-leader 
When non-leader tries to invite, print the error rather than unhelpful
exception with no helpful data.
 2018-06-26 14:35:23 -04:00
Jarrod Johnson
9eeede651e Error when inviting from non leader 2018-06-26 14:24:52 -04:00
Jarrod Johnson
fb98dd5636 Fix packaging issues 2018-06-26 14:12:53 -04:00
Jarrod Johnson
0843b991ea Isolate following to dedicated greenthread and put fallback to assert leadership 2018-06-26 14:06:01 -04:00
Jarrod Johnson
11e6145a46 Add quorum check to non-config requests 2018-06-26 13:52:20 -04:00
Jarrod Johnson
7433dd3e38 Wrap cfg init on follow in lock 
Use a lock to provide more atomic behavior for connecting should
something go wrong in calling connect_to_leader incorrectly.
 2018-06-26 10:13:27 -04:00
Jarrod Johnson
4de1fea7aa Implement attempt to assimilate 2018-06-25 17:30:29 -04:00