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44 Commits
Author SHA1 Message Date
Raj Chaudhuri c1d3107418 Changed module name, edited default manifests in prog/weave-kube 
* Module name changed to `github.com/rajch/weave`
* Added environment variable `CHECKPOINT_DISABLE=1` to default manifests, to bypass weaveworks telemetry
 2024-03-01 18:05:19 +05:30
Raj Chaudhuri 1bb1f02b1d libCNI upgraded to v1.1.2 
This was all work done previously by @hswong3i in
https://github.com/weaveworks/weave/pull/3939

All credit to them
 2023-03-29 12:10:13 +05:30
Bryan Boreham ad621c807e Move Kubernetes API calls into kube-utils program 
This reduces the size of the 'weaver' binary.
 2021-01-19 17:22:47 +00:00
Bryan Boreham b3d387fb86 Update Kubernetes client packages to 0.18.6 
Lots of functions need Context parameters added
 2020-08-04 10:11:30 +00:00
Bryan Boreham 34dc4dabce Clean up some lint warnings 
I ran golangci-lint and it pointed out a few things to clean up.
 2020-07-31 10:28:55 +00:00
Bryan Boreham df52117bfa Remove unused code 2020-07-31 09:03:27 +00:00
Michael Merrill 6a48da60ec Handling concurrent updates to configmap and IP reclamation (#3724) 
checking if peer to be removed has been removed by another pod

Signed-off-by: mmerrill3 <michael.merrill@vonage.com>
 2019-10-24 20:01:02 +01:00
Bryan Boreham 62c1d28524 Merge pull request #3716 from weaveworks/870-flake 
Randomise wait to reclaim IPs on node deletion, and fix flaky test 870
 2019-10-15 09:17:04 +01:00
Bryan Boreham 821b787774 Move printing of node addresses after reclaim loop 
Otherwise we see all the node addresses in the middle of the log.
 2019-10-11 20:29:58 +00:00
Bryan Boreham 3ed7894e39 Debug log the node-deletion event 
So we know when it came in, also which node.
 2019-10-11 20:29:58 +00:00
Bryan Boreham f5c2f51964 Use a different seed for random numbers each run 
Without this, each run gets the same random numbers so all nodes are
racing to remove the deleted node.
 2019-10-11 20:29:58 +00:00
Bryan Boreham d1ed6c5747 Exclude myself when building a list of peers that may need deleted 
We already avoid actually doing the delete, but adding this check
stops the program logging that it was thinking about it.
 2019-10-10 13:22:20 +00:00
Bryan Boreham 27848992b1 Merge branch '2.5' 2019-05-07 13:32:55 +00:00
Bryan Boreham 8a4fc9c02a Fix peer-list fuzz test to re-fetch list when it may be nil 2019-05-03 17:25:36 +00:00
Bryan Boreham eb7ba691ee Fetch storedPeerList after read from Kubernetes 
This avoids a race condition where the peer has added itself to the
list and the annotation since we read storedPeerList.
 2019-04-02 09:11:27 +00:00
Bryan Boreham 15b9b7416a Re-read peers ConfigMap from Kubernetes at start of every reclaim 
A previous reclaim may have left the map set to nil.
 2019-03-26 17:25:34 +00:00
Bryan Boreham 5024270232 Avoid panic on nil map 
It can be set to nil after a failed update; check rather than crashing.
 2019-03-26 17:20:24 +00:00
Bryan Boreham bd24dd7dae Make test harness and comments match Kubernetes behaviour on conflict error 
Kubernetes always returns nil on error; somehow I had the wrong idea
here.
 2019-03-26 17:19:22 +00:00
Bryan Boreham e1e4a7887a Merge branch '2.5' 2019-01-18 11:20:25 +00:00
Bryan Boreham 27178b1c79 Check and report the error return from getKubePeers() 2019-01-15 11:15:36 +00:00
Murali Reddy d2a9a51296 follow project conventions in ordering the imports 2018-12-04 10:58:43 +05:30
Murali Reddy 81b17469f4 prevent kubernetes node connecting to self by excluding the node IP from the list of the peers passed to weaver 
Fixes #3398
 2018-11-21 11:47:30 +05:30
Murali Reddy c48c746791 replace peerlist with current set of Kubernetes nodes 2018-10-31 18:06:48 +05:30
Murali Reddy f334575e69 perform weave connect replace on node delete with empty peer list 2018-10-30 11:54:59 +05:30
Murali Reddy ea423755cc review comment: removing unnessary verbose code 2018-10-30 10:56:05 +05:30
Murali Reddy 4a40380d0f addressing review comments 2018-10-24 13:45:35 +05:30
Murali Reddy df467be26e watch for node delete events and call reclaimRemovedPeers 2018-10-24 13:45:35 +05:30
Murali Reddy 59c1abe9b9 addressing review comments 2018-10-04 14:08:56 +05:30
Murali Reddy 7a959df648 handles an edge case where peer claimed to own the action (to reclaim) but no longer 
exists hence lock persists foever, fix makes a peer own the reclaim when nonexistent node found

Fixes #3386
 2018-09-27 16:00:44 +05:30
Bryan Boreham 008eeb03ad Improve comments and error checking 2018-09-12 14:11:09 +00:00
Bryan Boreham 41c48dc678 Update test to call reclaimPeer() 2018-09-12 14:11:09 +00:00
Bryan Boreham 09be35dee0 Fetch stored peer list every time round the retry loop 
This ensures we take account of other peers' updates and closes a race
condition whereby another peer's changes can be overwritten.
 2018-09-12 14:11:09 +00:00
Bryan Boreham c3ad641d94 Refactor: extract reclaimPeer() function 2018-09-12 14:11:09 +00:00
Bryan Boreham bacb3952a3 Fetch Kubernetes node list every time round reclaim loop 
If we retain the Kubernetes list for a long time we might see a peer
appear in the Weave list and conclude it has been deleted. We must
always fetch the Kubernetes list after fetching the Weave list, during
deletion.
 2018-09-12 14:10:59 +00:00
Bryan Boreham 70257a6c19 Add test for kube-utils peer list 
- In parallel on several goroutines, randomly add and remove peers.
 - Maintain the test's own idea of current state.
 - Check that the test's state and kube-utils' state are consistent.
 2018-09-12 12:37:16 +00:00
Bryan Boreham bfe9f00e55 Fake kubernetes API which implements optimistic locking 
Mostly copied from kubernetes/client-go files
 2018-09-12 12:37:16 +00:00
Bryan Boreham 591be2d08f Refactor: Introduce an interface so weave client can be mocked 2018-09-12 12:37:16 +00:00
Bryan Boreham c3ce052cc5 Refactor: use Kubernetes.Interface instead of *Clientset 
So we can call with a mock for testing
 2018-09-12 12:35:34 +00:00
Bryan Boreham 7dcd4bdf47 Refactor: extract peerlist fns to new file 2018-09-12 12:35:34 +00:00
Martynas Pumputis 78e00f9a3a Merge pull request #3397 from weaveworks/issues/3394-delete-old-me 
Reclaim IPs when node name is re-used
 2018-09-12 13:57:12 +03:00
Bryan Boreham 2ff0bbe150 Reclaim IPs when node name is re-used 
Change the map used to reclaim peers so it is indexed by PeerName
which should be unique over time, rather than NodeName which can be
re-used.  Create an auxilliary set of NodeNames to help.

This way, if we can see that a different peer was previously running
with the same node name, it can be included for reclaim.
 2018-09-10 15:10:51 +00:00
Martynas Pumputis acc24f1237 Do not exclude k8s node without any IP addr in reclaim 
Otherwise, such node will be rmpeer'd which can lead to the IPAM
inconsistencies "Received update for IP range I own at <..>".
 2018-09-06 14:49:20 +03:00
Martynas Pumputis 25c26519ed Merge remote-tracking branch 'origin/2.3' 2018-06-12 14:47:42 +02:00
Bryan Boreham 2a04df1049 Rename "kube-peers" to "kube-utils" 
It's now doing things like network status that are outside of the
scope of "peers".
 2018-06-11 11:22:07 +00:00