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64 Commits
Author SHA1 Message Date
Bryan Boreham d2cbb2749e Move plugin network creation from shell script to Go 
In the process, use the default subnet instead of the whole IP
allocation range.
 2017-04-27 17:07:59 +00:00
Bryan Boreham a731d47d97 Rename bridge detection/creation functions 2017-04-24 16:42:05 +00:00
Bryan Boreham 108f4784a6 Add back check for datapath supported 2017-04-20 16:12:42 +00:00
Bryan Boreham a7feb41e62 Replace switch statements with Bridge polymorphism 2017-04-20 15:57:49 +00:00
Bryan Boreham fddb3ee06e Review feedback 2017-04-20 15:57:49 +00:00
Bryan Boreham 3574da267b Remove -enforce_docker_bridge_addr_assign_type no longer used 2017-04-17 19:41:47 +00:00
Bryan Boreham f05bb6c4e0 Don't assume we always run in in host pid space 
Pass the path to the proc filesystem down
 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 a8eb7966b6 Wire up enforce_docker_bridge_addr_assign_type 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
Marc CARRE 7c5dda353d Only list active containers. 
Previously was using `docker.ListContainersOptions{All: true}`, which is the equivalent of `docker ps -a`, and is not what we want here.
 2017-04-13 12:12:49 +01:00
Marc Carré 8961041469 Merge pull request #2727 from weaveworks/issues/2397-v2-plugin 
Create a V2 Docker plugin
 2017-04-12 14:27:34 +01:00
Martynas Pumputis 09606db9c3 Exit when launching plugin-v2 if node is not active in Swarm 
We retrieve the list of swarm masters for peer discovery when launching
plugin-v2, thus the node should belong to any Swarm when enabling the
plugin.
 2017-04-12 13:05:40 +00:00
Martynas Pumputis 3c11c8aa38 Add comment about failures to is-docker-plugin-enabled cmd 2017-04-12 13:05:40 +00:00
Martynas Pumputis 0ff37d3492 Do "docker plugin inspect" inside weaveutil 
We cannot do it from weaveexec, because the latter is distributed
with an old version of Docker client which does not support
Plugins API.
 2017-04-12 13:05:40 +00:00
Martynas Pumputis 82b56848a9 Add peer discovery for Docker Swarm 
The peer discovery relies on "GET /info" API call which returns
list of master nodes. The peer list is passed to weaver when
launching it.

If node is a master, then we pass "--ipalloc-alloc
consensus=$(MASTER_NODES_COUNT)" to weaver. Otherwise, we pass
"--ipalloc-alloc observer".
 2017-04-12 13:05:39 +00:00
Marc Carré 19a31a5b82 Merge pull request #2814 from weaveworks/weaveutil-allids 
Fetch list of container IDs inside weaveutil
 2017-04-12 11:35:37 +01:00
Martynas Pumputis ceb0186f46 Better error reporing for weaveutil 
If a weaveutil subcmd is not found, report the fact to stderr.
 2017-04-12 09:48:03 +00:00
Bryan Boreham b307b9872a Fetch list of container IDs inside weaveutil, for 'weave ps' 2017-04-12 09:36:21 +00:00
Bryan Boreham d9ca54e777 Don't use Printf without a format 2017-03-21 11:38:35 +00:00
Bryan Boreham 1f6a6349a9 Remove useless 'break' 2017-03-21 11:38:35 +00:00
Bryan Boreham c3c28ea27e Update CNI library to version 0.5.0 2017-03-16 18:23:20 +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 ea014d1362 Reimplement docker_bridge_ip shell pipeline in Go 2016-12-23 12:10:26 +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 e458c11e66 Weave script calls Go implementation of expose_nat 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 947ae11fee Refactor NetDev utilities 
- Make them safe by using the safe version of WithNetNS.
- Improve naming.
 2016-10-19 16:07:53 +01:00
Martynas Pumputis cdd6ed548c Add netdev subcommands to weaveutil 
The subcommands are going to be used with WithNetNS wrapper.
 2016-10-19 16:07:53 +01:00
Martynas Pumputis 4a49ff3083 Replace usage of WithNetNSUnsafe in plugin/net/watcher.go with safer version 
Unsafe version was in ConfigureARPforVeths; replacement is via `weaveutil configure-arp`
 2016-10-06 15:25:05 +01:00
Bryan Boreham 50a8dc1383 Add weaveutil process-addrs 
Fetches addresses for every veth that is in a network namespace and
attached to the specified bridge.  Works by iterating over every process.
 2016-09-29 14:16:05 +01:00
Bryan Boreham 71491138aa Extract function to return all current process ids 
This implementation should be more efficient because it only uses the
names under /proc, whereas the previous implementation fetched the
full directory entry for each one, and sorted them too.
 2016-09-29 14:12:02 +01:00
Bryan Boreham ac4246e1f5 Pass in default subnet when creating 'weave' plugin network. 
New behaviour in Docker 1.12 means it disregards a plugin-supplied
address pool that overlaps an existing route, which causes a hang as
noted in #2469. When we pass in the subnet, Docker believes we really
do want that address range and avoids the hang.
 2016-09-06 12:05:51 +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
Martynas Pumputis 0861d05522 Address PR comments 
- Do not re-enter the root netns when querying weave bridge.
- Enter the root netns when constructing the predicate.
 2016-07-05 15:12:39 +01:00
Martynas Pumputis 7f5c37ef1e Fix "weave ps" 
Make sure that any network namespace changes happens at the end of
the cmd invocation. Otherwise, we are risking to end up in a situation
in which OS scheduling threads are in a "wrong" namespace.

See WithNetNS 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
Martynas Pumputis 24d9a00f47 Add check-datapath to weaveutil 
The utility is used to check whether a datapath can be created.
 2016-06-20 03:20:46 +01:00
Matthias Radestock 0abfdf4efb Merge branch '1.5' 2016-06-17 15:07:34 +01:00
Bryan Boreham ddd039761d Handle Docker daemon named 'dockerd' 2016-06-17 13:05:35 +01:00
Bryan Boreham 37fd54f20b Perform AWSVPC checks for attach in script rather than in weaveutil 2016-06-08 16:44:54 +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
Matthias Radestock 7ffbeead8d Merge pull request #2327 from weaveworks/issues/1960-mcast-option 
Add an option to disable multicast route per-network

Fixes #1960.
 2016-06-06 15:49:09 +01:00
Bryan Boreham cbf4a0facd Move warning on plugin active into Go code 2016-06-02 17:19:51 +01:00
Bryan Boreham a1c3cba363 Invert multicast option in plugin 
Now it's off by default, and there is an option to enable the
multicast route per-network.
We turn it on for the `weave` network created when we start the plugin.
 2016-06-02 12:52:30 +01:00
Bryan Boreham 2702b85ee5 Improve veth name construction; use a constant instead of "ethwe" 2016-05-25 17:34:13 +01:00