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298 Commits
Author SHA1 Message Date
Bryan Boreham 8405e0759a Clarify the function of the periodic ticker. 
- it either retries for consensus or retries operations we would have tried previously.
There is no point retrying pending operations if we are waiting for consensus.
 2016-05-03 15:13:20 +01:00
Bryan Boreham 5ac8cc74d3 Refactor nested if-statements as switch 2016-05-03 13:52:36 +01:00
Bryan Boreham f6966548eb Delete persisted data when IPAM range changes 2016-05-03 13:20:04 +01:00
Bryan Boreham fb3ed9c1a6 Re-organise checking of persisted data so the failure paths bail out 
of the function first.
Also bail out if there is no persisted ring, since persisted 'owned'
data isn't meaningful in that state.
 2016-05-03 13:20:04 +01:00
Bryan Boreham 61fc5d56fb Refactor: move initialisation in the case that we don't use persisted data 
out from loadPersistedData().
 2016-05-03 13:20:04 +01:00
Bryan Boreham e96b68f0aa Don't use persisted data until we are sure it matches 2016-05-03 13:20:04 +01:00
Bryan Boreham 27bdd3b4ad Revert "Log the error when something goes wrong requesting a claimed address" 
This reverts commit 14bc1c987e.
 2016-04-29 16:03:41 +01:00
Bryan Boreham 14bc1c987e Log the error when something goes wrong requesting a claimed address 2016-04-29 16:01:21 +01:00
Bryan Boreham fd7fcc762e Clarify the function of the periodic ticker. 
- it either retries for consensus or retries operations we would have tried previously.
There is no point retrying pending operations if we are waiting for consensus.
 2016-04-29 13:59:25 +01:00
Matthias Radestock 72e134605c refactor: move pure code outside actor 2016-04-26 20:02:47 +01:00
Matthias Radestock 7cc2a1fe38 refactor: more descriptive function name 2016-04-26 17:33:04 +01:00
Bryan Boreham 76601fed09 Fix up merge in unit test 2016-04-25 12:28:47 +01:00
Bryan Boreham 88a044f7f9 Merge pull request #2184 from weaveworks/2181-excessive-ring-frag 
prevent excessive ring fragmentation due to repeated space requests. Fixes #2181
 2016-04-25 11:54:12 +01:00
Matthias Radestock cec88f154e Merge pull request #2205 from weaveworks/issues/2057-gc-nicknames 
Add allocator.PeerGone

Fixes #2057
 2016-04-22 17:42:43 +01:00
Martynas Pumputis 849edb1768 Add allocator.PeerGone 
The function is registered within the mesh gc and it is responsible
for removing gone nicknames (#2057).
 2016-04-22 17:29:27 +01:00
Matthias Radestock 9326775718 remove cruft 2016-04-21 18:59:28 +01:00
Bryan Boreham d32fc495c8 Merge branch '1.4' 2016-04-18 14:08:04 +01:00
Bryan Boreham d3635eed77 Need to mock-gossip from the end of the chain 2016-04-18 14:06:38 +01:00
Adam Harrison 6ad9dac71a Merge pull request #2165 from weaveworks/issues/2164-less-deleting 
Store 'checkAlive' flag in IPAM, so we don't delete non-container IDs
 2016-04-18 11:49:50 +01:00
Bryan Boreham 8253d17529 Merge branch '1.4' 2016-04-18 10:58:39 +01:00
Bryan Boreham d3be3d8912 Remove outdated comment 2016-04-18 10:53:55 +01:00
Bryan Boreham 5e4ab7f307 Plumb isContainer through Claim calls 2016-04-18 10:16:54 +01:00
Bryan Boreham 2b159b0c75 Pass checkAlive flag through as isContainer in Allocate 2016-04-18 10:16:54 +01:00
Bryan Boreham 984ba8a377 Extend 'owned' structure to store IsContainer flag 2016-04-18 10:13:09 +01:00
Bryan Boreham 01be916c37 Add test to expose problem deleting non-container IPs 
and check dead containers are removed
 2016-04-18 10:13:09 +01:00
Matthias Radestock c1d98ba59c refactor: extract a helper 2016-04-17 12:40:34 +01:00
Matthias Radestock a1823af745 refactor: make error returns less onerous 2016-04-17 12:40:34 +01:00
Matthias Radestock 4a01d23025 refactor: extract entry merging from ring merging 2016-04-17 12:40:34 +01:00
Matthias Radestock 27632b118f prevent excessive ring fragmentation due to repeated space requests 
Merging a ring now indicates whether the ring has been updated. This
prevents excessive allocation retries, which in turn can result in
repeated space requests - i.e. if an allocation cannot proceed due to
lack of space - which in turn can result in excessive ring
fragmentation since many of the requests will result in the creation
of a new ring entries, due to the need to split ranges.

Fixes #2181.
 2016-04-17 12:40:18 +01:00
Matthias Radestock 0e54de63cc cosmetic 2016-04-17 09:33:52 +01:00
Matthias Radestock c0c5906d07 fix simulation of periodic gossip in TestTransfer 
`GossipBroadcast` in the `TestRouter` only goes one hop. In
`TestTransfer` the three peers are connected in a chain, and hence we
need to take extra care to ensure propagation to all peers.

Fixes #2180.
 2016-04-16 10:11:06 +01:00
Matthias Radestock 8f54f83285 refactor: align test allocator names with indices 
for easier debugging
 2016-04-16 09:12:49 +01:00
Adam Harrison a09986baa2 Rename consense -> prime 2016-04-14 12:46:03 +01:00
Bryan Boreham 61b0d0ba9e Merge pull request #2149 from weaveworks/stop-test-router 
stop ipam tests from leaking routers
 2016-04-11 13:34:21 +01:00
Bryan Boreham c10d26cf02 Fix up TestBootstrap after consensus changes 2016-04-11 13:20:54 +01:00
Matthias Radestock 695babf7ba make Allocator.Stop() idempotent and non-blocking 
So that tests don't have to be careful about ensuring that allocators
are stopped exactly once, or rely on the magic mesh.ChannelSize for
non-blocking behaviour.
 2016-04-11 12:32:01 +01:00
Bryan Boreham ecf1887e5b Initialize Paxos quorum to 0 until this node needs to request consensus. 
With a 0 quorum we will participate in voting, but will not actively
try to form a ring.
 2016-04-11 11:42:24 +01:00
Matthias Radestock 4d352d6eb1 stop router created by makeNetworkOfAllocators 
so that unit tests don't leave garbage behind
 2016-04-10 11:22:57 +01:00
Bryan Boreham c12a52d20e Better log and status messages for Paxos observer 2016-04-07 12:50:52 +01:00
Bryan Boreham 0c59de40e7 Refactor Paxos status call to remove type assertion 2016-04-07 12:12:08 +01:00
Matthias Radestock 2e31087818 dump state on paxos test failure 
to help diagnosis of #2132 and similar problems
 2016-04-06 08:55:49 +01:00
Adam Harrison 436dc01f52 Merge pull request #2070 from weaveworks/issues/1721-quorum-callback 
Use current target list to compute quorum
 2016-03-29 11:11:30 +01:00
Bryan Boreham aab86c38b7 Merge pull request #2093 from weaveworks/tools 
Update tools to get misspell integration. Aho-Corasick FTW!
 2016-03-24 14:09:45 +00:00
Bryan Boreham cfa9b4f638 Assert that paxos quorum is set 2016-03-24 12:06:59 +00:00
Bryan Boreham 2b617633ae Compute quorum based on the dynamic number of target peers 2016-03-24 12:06:59 +00:00
Matthias Radestock b8abb22833 Merge branch '1.4' 2016-03-23 16:39:17 +00:00
Tom Wilkie 7a7867ae16 Fix spelling mistakes. 2016-03-23 16:09:43 +00:00
Bryan Boreham 6bc199a8bc Change invariant fail on Merge() from panic to error 2016-03-23 15:26:26 +00:00
Adam Harrison e9081c6607 Allow specification of initial IPAM ring via --ipam-seed 2016-03-21 09:49:54 +00:00
Bryan Boreham 09a6c2eda0 Get the owned ranges for test purposes via the actor loop, so we don't set off the race detector 2016-03-19 15:29:34 +00:00