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Commit Graph
611 Commits
Author SHA1 Message Date
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 27f8f9092f router: tell goroutine to exit when forwarder is stopped 
Otherwise a goroutine is leaked each time a connection is closed.
 2020-06-04 17:46:18 +00:00
Bryan Boreham e7a24eaf0a Merge pull request #3783 from weaveworks/issue-3781 
send FastDatapathCryptoInitSARemote control message only if encryption is enabled
 2020-03-12 10:09:26 +00:00
Murali Reddy 6bc0e5e71c send FastDatapathCryptoInitSARemote control message only if encryption is enabled 
Fixes #3781
 2020-03-11 21:26:09 +05:30
Bryan Boreham 0ca831f50b Reduce pcap timeout to avoid overflow 
The value is passed by google/gopacket into a signed 32-bit int, so we
must pick a timeout which is less than 2^31 microseconds.

See https://github.com/google/gopacket/issues/708
 2020-03-11 12:21:07 +00:00
Bryan Boreham ca0498b860 Fix warning log to use formatted variant 2020-01-28 15:15:28 +00:00
Bryan Boreham bbfa682083 Move send of ipsec message outside lock 
The send may block, so do all changes to the forwarder object and
release the lock before attempting to send.
 2020-01-28 15:13:33 +00:00
Hendrik van Wyk 96291d1de4 Do not do ipsec.InitSARemote on a stopped fastDatapathForwarder. 
Fixes 3675

It is possible for ipsec.InitSARemote to be called after ipsec.Destroy.
If an xfrm policy for that source/destination pair exists it will be
updated to the SPI from the Destroyed connection causing IPSEC to stop
working.
 2019-07-31 11:17:37 +02:00
Bryan Boreham 20d55fe47a Moved 'expecting PMTU' message to debug level 2019-05-03 15:28:44 +00:00
Bryan Boreham 698e1b6d87 Improve 'expecting PMTU update' message with address 
Also remove "EMGSIZE" because it looks like an error in the log file.
 2019-02-27 08:49:42 +00:00
Murali Reddy 6b2631e378 addressing review comment. keep forwarder running forever even on heart beat timeouts 2018-10-05 09:47:23 +05:30
Murali Reddy b3cb38eda4 addressing review comments 2018-09-24 17:53:28 +05:30
Murali Reddy 62758ca337 log the heartbeat send/recieve/miss 2018-09-21 16:45:47 +05:30
Murali Reddy 3c67c3c5f1 changes differentiate beteween fatal errors (for e.g. ipsec init) 
from transient errors (heartbeast misses). In case of transient
errors OverlayForwarder is marked to be unhealty. When overlay forwarder
is unhealty its hept on hold so chooseBest() will skip selecting the forwrder

Once OverlayForwarder is considered healthy run chooseBest() again so the
forwarder can be selected if its the best forwarder

Fixes #1737
 2018-09-21 16:45:47 +05:30
Aaron Hurt c9f1d30f49 updates to address comments by @bboreham 2018-08-31 14:26:00 -05:00
Aaron Hurt 4b9c533b94 add the ability to skip creation of MASQUERADE rules via iptables when executing weave expose command 2018-08-31 11:46:31 -05:00
Bryan Boreham b2ae5f4f4b Demote messages about MAC discovery and expiry to DEBUG level 2017-12-18 11:36:24 +00:00
Bryan Boreham 21086a0b2a Merge branch '2.0' 2017-11-13 12:51:29 +00:00
Bryan Boreham d7119169df Add length to log message for too-big DF broadcast frame 2017-11-13 11:06:34 +00:00
Martynas Pumputis ade6738789 Handle "weave expose" in weaver 
The change makes "weave expose" to call the "/expose" HTTP
endpoint implemented in router which exposes the bridge.

Such architectural change required as we need to know whether NPC is
enabled when exposing the bridge and weaver knows this fact the best.

Unfortunately, this change makes impossible to "weave expose"
when weaver is not running.
 2017-10-17 12:08:43 +01:00
Marc CARRE 507e734d1a Merge remote-tracking branch 'origin/1.9' 
- PR #2926 - Branch issues/2808-improve-hairpin-messages - Fixes #2808.
- PR #2907 - Branch issues/2771-checkpoint-net-modes - Fixes #2771.
 2017-05-03 20:28:31 +01:00
Marc Carré d128488339 Merge pull request #2926 from weaveworks/issues/2808-improve-hairpin-messages 
Fixes #2808. Improve hairpin log messages.
 2017-05-03 20:21:20 +01:00
Bryan Boreham b19f2df6f8 Improve hairpin log messages 2017-05-03 14:35:20 +00:00
Bryan Boreham b3ac56e3d2 Update mesh library and check for errors newly returned 2017-05-03 11:08:28 +00:00
Bryan Boreham 334974472d Rename router.Bridge to router.InjectorConsumer 
since what it does it injects and consumes packets, and something else
entirely does bridging.
 2017-04-25 11:03:32 +01:00
Bryan Boreham 681109ba71 use net.IP.Equal to compare, not bytes.Equal 2017-03-21 11:38:35 +00:00
Bryan Boreham 99c691745a Check error return on udp dial() 2017-03-21 11:38:35 +00:00
Martynas Pumputis 7c84e24f48 fastdp: Do not reset heartbeat timer for non-confirmed connections 
It is possible to receive FastDatapathCryptoInitSARemote control plane
message before Confirm'ing a connection. In such case, resetting
heartbeatTimer leads to null pointer dereference, as the timer is
initialized during Confirm'ation.

In this situation, skipping the reset is non-harmful, because
Confirm'ing will reset it.

NB: the reset to 0 should only happen after establishing the connection
on both ends.
 2017-03-02 16:59:48 +00:00
Martynas Pumputis 60323d0960 Add fastdp crypto 2017-01-31 17:21:01 +00:00
Martynas Pumputis 52f375ac1e Merge pull request #2663 from weaveworks/issues/2389-report-mtu 
Add MTU to connection status

Fixes #2389
 2016-12-13 11:53:39 +00:00
Bryan Boreham 9c2bc0b825 Add MTU to connection status 2016-12-09 13:59:49 +00:00
Martynas Pumputis aa9c032176 Add sanity check to detect when receiving own packets 2016-12-08 11:38:37 +00:00
Martynas Pumputis 0ae13a2650 Detect hairpin flows 
The introduced "isHairpinFlow" detects whether a flow has been
created due to enabled hairpin mode.
 2016-12-05 12:42:24 +00:00
Bryan Boreham 4d8a40c0b5 Reduce metrics mechanism to just support fastdp 2016-10-21 14:44:12 +01:00
Bryan Boreham 00c86fed42 Expose overlay metrics from fastdp 
and allow them to pass through OverlaySwitch
 2016-10-20 16:25:16 +01:00
Martynas Pumputis cdeae04238 Create restart.sentinel after storing peer list 
Otherwise, we risk to lose peer list when any failure happens after
the creation but before storing the list and as a consequence,
the weave container gets restarted.
 2016-09-20 17:07:48 +01:00
Martynas Pumputis d9bde790c6 Check if a vxlan vport netdev is up after its creation 
This bypasses a kernel bug when the creation of vxlan vport
completes successfully regardless whether an vxlan UDP port has been
bind (http://marc.info/?l=linux-netdev&m=147075637009483&w=2).
 2016-08-10 13:34:44 +01:00
Matthias Radestock e642f366f5 cosmetic 2016-07-09 05:41:37 +01:00
Martynas Pumputis 93c60395f6 Merge pull request #2417 from weaveworks/issues/1852-less-logging 
Move 'ODP miss' log from every miss to specific places

Fixes #1852
 2016-07-05 17:34:57 +01:00
Bryan Boreham 7d0aaea6e8 Move 'ODP miss' log from every miss to specific places 
Added log lines for packets that we will broadcast;
Added log lines for flows we don't know how to handle;
Moved the line for when we expect to insert a flow down to the miss-handler;
Packets handled by the bridge already have their own logging via --pktdebug
 2016-07-01 10:12:53 +01:00
Bryan Boreham 45a66ac517 Extend 'mac associated with other peer' error info 2016-06-30 18:02:39 +01:00
Martynas Pumputis 9fc7be83c8 Create a Tracker when starting the router 
The tracker's HandleUpdate method is called by the ring update routines.

In addition, we add a dummy overlay for AWSVPC to make `weave (status|
report)` to produce reasonable reports which includes AWS hosts
connection state.
 2016-06-08 16:44:54 +01:00
Adam Harrison 4b758dd130 Implement weave launch --resume 2016-06-03 13:53:07 +01:00
Adam Harrison 166d4afad8 Use persisted peer list on Docker restart 2016-06-03 13:53:07 +01:00
Bryan Boreham 4669da6074 Disable persistence of peer lists 2016-04-15 14:49:50 +01:00
Bryan Boreham c38dcb1d73 Adapt to logging changes in weaveworks/mesh 2016-04-04 16:01:58 +01:00
Matthias Radestock ec167554c5 refactor: consistent order 2016-03-30 14:13:41 +01:00
Matthias Radestock f24f38be9c refactor: get rid of a superfluous fastdp member 2016-03-30 14:10:03 +01:00
Matthias Radestock 0f89f8562f refactor(ish): parameterise dp creation by iface, not name 2016-03-30 14:07:33 +01:00
Matthias Radestock 8b6c5bdae4 unbreak things 2016-03-23 17:05:19 +00:00