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340 Commits
Author SHA1 Message Date
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Bryan Boreham d3be3d8912 Remove outdated comment 2016-04-18 10:53:55 +01:00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
Matthias Radestock 9f10b21c9c use Space.NumFreeAddresses for calculating transferred ip count 
...rather than Space.NumFreeAddressesInRange; we don't care about the
universe.

Alternatively we could make Space.AddRanges return the count. But
AddRanges doesn't know whether the ranges overlap with existing free
space - that is only guaranteed by the context - so would have to do
much the same before/after calculation.

Another alternative would be to add the range sizes in
AdminTakeoverRanges. But that is more code and less clear.
 2016-03-19 14:41:36 +00:00
Matthias Radestock 62d823850c make rmpeer report on size of transferred space, and not fail 
Closes #2058.
 2016-03-19 14:40:26 +00:00
Matthias Radestock c48eefa82d refactor(ish): extract allocator logging commonality 
and add warnf
 2016-03-19 14:32:54 +00:00
Matthias Radestock 65eff683dd Merge branch '1.4' 2016-03-19 14:30:38 +00:00
Matthias Radestock f42e275884 broadcast ipam ring update after rmpeer 
So that other peers notice the change more promptly.

Fixes #2068.
 2016-03-19 13:57:20 +00:00
Bryan Boreham f11314ed3e Introduce 'Count' type to avoid abusing 'Offset' 2016-03-19 11:47:34 +00:00
Matthias Radestock bc7539c4ad cosmetic: consistency 2016-03-18 11:56:10 +00:00
Matthias Radestock 9c2e9bab14 cosmetic(ish) refactor 2016-03-18 02:42:53 +00:00