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Commit Graph
92 Commits
Author SHA1 Message Date
Bryan Boreham abadbf883a AWSVPC mode now part of BridgeConfig 2017-04-17 19:41:47 +00:00
Bryan Boreham 833eb6166f Add AWSVPC bridge type 2017-04-17 19:41:47 +00:00
Bryan Boreham dd232775e6 Move expect-npc setup from weave script to Go code 2017-04-17 19:41:47 +00:00
Bryan Boreham 8051f51d46 Move bridge-creation code from weave script into Go code 
via weaveutil create-bridge function
 2017-04-17 19:41:47 +00:00
Bryan Boreham 6fd9f471ff Bridge setup iptables rules 2017-04-17 19:41:47 +00:00
Bryan Boreham 2d037d874c MTU selection closer to weave script 
Note that if initFastdp sets the MTU for the datapath then the same
value is used for the bridge also.
 2017-04-17 19:41:47 +00:00
Bryan Boreham 8e5384ee01 Create pcap veth for no-fastdp operation 2017-04-17 19:41:47 +00:00
Adam Harrison 7dd37d2a13 Add functions to create bridge 2017-04-17 19:41:47 +00:00
Adam Harrison 36521b04a2 Utility function to enforce docker bridge addr_assign_type 2017-04-17 19:41:47 +00:00
Martynas Pumputis 7478e78ab7 Add NSPathByPidWithRoot 
The function is used in a case when /proc is bind mounted to
other than /proc dir.
 2017-04-12 13:05:40 +00:00
Bryan Boreham 5f6c5f6692 Ensure boltDB pathname is constructed uniformly 
Keep the concatenation of the prefix and filename inside the boltdb
package, so we can't get it wrong outside.
 2017-04-11 15:45:04 +00:00
Bryan Boreham e2d644b86b Peer Discovery via a web service 2017-04-10 14:09:06 +00:00
Martynas Pumputis 50985dee90 Enable ESN in fastdp-crypto 2017-01-31 17:21:01 +00:00
Martynas Pumputis 60323d0960 Add fastdp crypto 2017-01-31 17:21:01 +00:00
Bryan Boreham 929167366a Don't fail if only half the system IDs are blank 2017-01-19 15:57:21 +00:00
Bryan Boreham ebcb7f6108 Use persisted peer name if it matches old-style ID 2017-01-11 13:14:35 +00:00
Bryan Boreham 70a20b4d26 Generate peer name / mac address in Go 2017-01-11 13:12:30 +00:00
Bryan Boreham 6ef302b8a1 Extract FindBridgeIP to net package 2016-12-23 11:57:04 +00:00
Bryan Boreham bb1cca713d Merge branch '1.8' 2016-12-08 12:27:40 +00:00
Bryan Boreham 1d80a8d676 Merge pull request #2674 from weaveworks/issues/2650-fix-looping-flows 
Detect looping flows
 2016-12-08 12:27:15 +00:00
Martynas Pumputis baa8f229f7 Detect enabling of hairpin mode on vethwe-bridge 
Enabled hairpin mode on vethwe-bridge was one of the root causes
for installing looping flows in the fastdp mode.

Also, it confused the weave custom L2 bridge, as the bridge treats
a bounced back packet, e.g. ARP brodcast request, as a local one
(the case for "Captured a packet associated with remote host").
 2016-12-08 11:37:52 +00:00
Adam Harrison ac4957e15c Merge branch '1.8' 2016-12-06 11:30:32 +00:00
Bryan Boreham ee6596e21c Run iptables commands in a loop 
in case they get  "temporarily unavailable" exit
 2016-12-05 11:11:20 +00:00
Bryan Boreham d5f1c233bf Remove punctuation from the end of error messages 
to placate the linter
 2016-11-18 10:40:41 +00:00
Bryan Boreham a07e3301b1 Add 'weave expose' NAT iptables rules inside CNI plugin 
This avoids a race between the plugin and the script
 2016-11-14 12:37:42 +00:00
Bryan Boreham 5630a01a8c Implement CNI plugin via weaveutil 2016-11-03 17:42:39 +00:00
Martynas Pumputis 9754da15d6 Encode "list-netdevs" output in JSON 2016-10-20 18:18:57 +01:00
Martynas Pumputis e611f04f41 Move NetDev utils from common/ to net/ 2016-10-19 17:03:30 +01:00
Martynas Pumputis 3492cd93d0 Use safe version of WithNetNS 2016-10-19 16:15:59 +01:00
Martynas Pumputis 7f92c8c4c6 Add a safer version of WithNetNS* 
The introduced functions are executing the work function via
a process which executes "nsenter --net=path weaveutil ...".
 2016-10-06 15:25:05 +01:00
Matthias Radestock 06a63db4cf Merge branch '1.6' 2016-09-08 12:55:05 +01:00
Bryan Boreham c69e140e9e Check current tx value before trying to set it 2016-09-08 10:20:35 +01:00
Adam Harrison f5a30c790e Merge branch '1.6' 2016-07-28 11:30:47 +01:00
Martynas Pumputis fd0a7efa23 Fix "weave ps" output when weave is not running 
The #2418 has changed a behaviour of "weave ps" which outputs
"Link not found" in the case of weave not running. The previous
behaviour was to output an empty line.
 2016-07-14 15:15:14 +01:00
Bryan Boreham 88bf64722f Merge branch '1.6' 2016-07-12 10:33:38 +00:00
Martynas Pumputis 89221f117b Denote WithNetNS* functions with unsafe 
Please see https://github.com/weaveworks/weave/issues/2388#issuecomment-228365069
for more details.
 2016-07-05 15:12:39 +01:00
Martynas Pumputis 05baa566c6 Refactor common.GetBridgeNetDev 
- Optimize. Use LinkByName instead of iterating over list of available
  links. Linux does not support interfaces with the same names.
- Remove unnecessary indirection in utility functions which return
  common.NetDev.
 2016-07-05 15:12:39 +01:00
Adam Harrison f386548890 Maintain per-subnet ACCEPT rule for multicast ingress 2016-06-17 17:19:52 +01:00
Adam Harrison c80d87554a Maintain per-interface DROP rule for multicast ingress 2016-06-17 16:10:13 +01:00
Martynas Pumputis 7670fed72c Add AWSVPC setup routines to the attach script 
When running in the AWSVPC mode, we need to do the following:

- Keep the HW TX offloading on.
- Check that the allocated address belongs to the default subnet,
  because only one subnet is allowed and it should be the default one.

If it is not possible to determine whether AWSVPC is on, we ignore
all the steps, because the attachment routines have to work
regardless whether the router is running and the AWSVPC detection
is done by querying the /ipinfo/tracker endpoint served by
the router.
 2016-06-08 16:44:54 +01:00
Martynas Pumputis c260536429 Add AWSVPC Tracker 
The tracker is responsible for managing the AWSVPC route tables
which is used to implement the underlay routing based on VPC.
 2016-06-08 16:44:54 +01:00
Martynas Pumputis 2266868648 Add the range.CIDRs functions 2016-06-08 16:44:54 +01:00
Bryan Boreham b417696c66 Wait 1ms before sending gratuitous arp 2016-05-26 11:17:04 +00:00
Bryan Boreham 6dd109a5bb Only do ethtool tx off in bridged (pcap) mode. 
Detect the bridge type in the same way the weave script does.
 2016-05-25 17:34:13 +01:00
Bryan Boreham 2702b85ee5 Improve veth name construction; use a constant instead of "ethwe" 2016-05-25 17:34:13 +01:00
Bryan Boreham 8717fd15ed Use 'peer' and 'veth' instead of 'guest' and 'local', after review comments 2016-05-25 17:34:13 +01:00
Bryan Boreham ac14b19db8 Move attach() and detach() from shell script to Go 2016-05-25 17:34:13 +01:00
Adam Harrison e3ef473cd3 Utility function to disable tx checksum offload 2016-05-25 17:29:45 +01:00
Bryan Boreham 4fc2835d92 Extract AddRoute function 2016-05-25 17:29:45 +01:00
Bryan Boreham 85023e0a76 Extract AttachContainer() function 
Also move netlink and netns code from common to net

Creates interface if not already there
Adds addresses
Move the set link 'up' to after addresses are added
 2016-05-25 17:29:45 +01:00