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c19c64a990804e4e8d9685cdb0efe72aa181dd01
Commit Graph
48 Commits
Author SHA1 Message Date
Bryan Boreham f6fdaf6492 Only expose metrics by default in weave-kube 2018-04-04 15:00:53 +01:00
Bryan Boreham a439288765 Raise weave-kube default connection limit from 30 to 100 
This was missed from 265bfcf
 2018-03-27 21:06:41 +00:00
Bryan Boreham 3b499ce27c Rearrange peer reclaim checks in weave-kube launch script 
This is to make it behave better on fresh start, and in the case where
the manifest has not been updated to give it permissions.
 2017-11-16 14:14:54 +00:00
Bryan Boreham 570ab0b10b Avoid deleting persisted data on weave-kube upgrade 
Add a feature to weaveutil to get and set flags, then use this feature
to mark the DB when this version runs
 2017-11-15 11:26:43 +00:00
Bryan Boreham 214cf6cb2e Flip result code when checking for new peer 
This avoids mistaking an error condition for the result we should act on
 2017-11-15 10:11:02 +00:00
Bryan Boreham c67bc704e1 Temporarily raise kube-peers log level to debug 2017-11-14 14:16:01 +00:00
Bryan Boreham 3501ad45e6 Cope with a Kubernetes node being deleted and coming back 
Add features to weaver and kube-peers to find the peer name and check
if it is in the list, then in launch.sh delete persisted data if not.
 2017-11-14 14:15:31 +00:00
Bryan Boreham 71b39489da Maintain a list of peers in a Kubernetes annotation 
This is prework for a feature which will remove 'dead' peers
 2017-11-14 14:06:33 +00:00
Bryan Boreham bebaa48520 Change weavedb from an emptyDir to a hostPath volume 
EmptyDir has the same lifetime as the pod, whereas we want our
persistence to extend past that, e.g. when Weave Net is upgraded.

`weave reset` cleans out the file.

We assume that /var/lib is writable.
 2017-05-17 12:38:24 +00:00
Bryan Boreham c85fff8f23 Fix outdated comment 2017-05-09 14:27:24 +00:00
Bryan Boreham ad4fe86285 Merge branch '1.9' 2017-05-09 09:05:38 +00:00
Mike Bryant 9419ad16bf Clean up xt_set_exists components in advance 
If this function dies in the middle, the leftover weave-kube-test set
causes this function and weave-npc to break. In particular
this means we can never restart weave with the launch script.

Here we clean up in advance, in case there's leftovers from a previous run

Fixes #2934
 2017-05-08 12:15:23 +01:00
Bryan Boreham 9fd1a43769 Put back some weave bridge options 
ability to set MTU was lost in an earlier change
 2017-04-24 14:55:53 +00:00
Bryan Boreham ef9f95f653 Let weaver create the bridge in weave-kube 2017-04-17 19:41:47 +00:00
Marc CARRE 21a0fc30e8 Run weaver without exec. 
This:

1. prevents from generating defunct (a.k.a. zombie) processes, and therefore fixes #2836; but also
2. reintroduces #2684/#2688 as shells do not forward signals and we are still running more than one process.

A proper fix would leverage something like tini.
See also:

- github.com/krallin/tini
- github.com/krallin/tini/issues/8
- github.com/docker-library/official-images#init

Sample output:

- during initialisation:

```
$ ps auxf
[...]
root      1380  0.4  1.9 879660 74660 ?        Ssl  Mar13   6:02 /usr/bin/docker daemon -H fd:// -H unix:///
root      1664  0.0  0.4 502116 18528 ?        Ssl  Mar13   0:06  \_ docker-containerd -l /var/run/docker/li
root     15482  0.0  0.0 200496  3364 ?        Sl   15:04   0:00      \_ docker-containerd-shim 3d1f5eb6e090
root     15496  0.0  0.0   1524   996 ?        Ss   15:04   0:00      |   \_ /bin/sh /home/weave/launch.sh
root     15780  0.0  0.0   1524    64 ?        S    15:04   0:00      |       \_ /bin/sh /home/weave/launch.
root     15872  0.0  0.0   1772  1272 ?        S    15:04   0:00      |       |   \_ /bin/sh /home/weave/wea
root     15897  0.0  0.0   1772   324 ?        S    15:04   0:00      |       |       \_ /bin/sh /home/weave
root     15898  0.0  0.0  14656  2948 ?        S    15:04   0:00      |       |           \_ curl -o /tmp/we
root     15781 10.0  1.5 484556 60296 ?        Sl   15:04   0:00      |       \_ /home/weave/weaver --port=6
[...]
```

- after initialisation:

```
$ ps auxf
[...]
root      1380  0.4  1.9 879660 74660 ?        Ssl  Mar13   6:02 /usr/bin/docker daemon -H fd:// -H unix:///
root      1664  0.0  0.4 502116 18592 ?        Ssl  Mar13   0:06  \_ docker-containerd -l /var/run/docker/li
root     15482  0.0  0.0 200496  3364 ?        Sl   15:04   0:00      \_ docker-containerd-shim 3d1f5eb6e090
root     15496  0.0  0.0   1524   996 ?        Ss   15:04   0:00      |   \_ /bin/sh /home/weave/launch.sh
root     15781  2.3  1.6 503064 64320 ?        Sl   15:04   0:00      |       \_ /home/weave/weaver --port=6[...]
```
 2017-03-14 15:34:47 +00:00
Martynas Pumputis 3607cf2d7a Add check for xt_set module 
The check is based on actually trying to install an iptables rule
which uses the module.
 2017-03-01 10:37:43 +00:00
Martynas Pumputis a57cf4bc83 Ignore modprobe errors in weave-kube/launch.sh 
weave-kube is run by alpine image which uses busybox. modprobe of
busybox will return the "module not found" error [1], if a module is
built-in, which is an opposite behavior to modprobe distributed in
mainstream distros (e.g. ubuntu).

[1]: https://bugs.busybox.net/show_bug.cgi?id=5270
 2017-02-28 11:26:40 +00:00
Bryan Boreham cb73cf3f51 Ensure we have the kernel modules loaded for weave-npc 2017-02-27 12:32:57 +00:00
Bryan Boreham f7c0da3ae1 Merge pull request #2781 from keontang/luanch-update 
Add CONN_LIMIT environment var for running container
 2017-02-23 12:40:01 +00:00
Bryan Boreham e26dbf11e9 Stop collecting addresses in launch script now we do it in Go 2017-02-10 15:11:14 +00:00
Jiyuan Tang bee031ad70 Add CONN_LIMIT environment for running container 2017-02-09 19:34:16 +08:00
Bryan Boreham 7d308a4ac5 Wire weaveutil unique-id into weave script 
Also ensure the right host directories are mounted when create-bridge
is called from either the weave script or weave-kube.
 2017-01-11 13:14:35 +00:00
Bryan Boreham bf59a003bb Exec weaver from weave-kube launch rather than running in background 
So we only have one process running inside the container after all
set-up is finished
 2017-01-04 15:00:52 +00:00
Adam Harrison eb3bbff883 Merge pull request #2708 from weaveworks/weave-kube-mounts 
Mount /etc under a different path for weave-kube
 2017-01-04 10:15:54 +00:00
Bryan Boreham a4ad66f1c8 Mount /etc under a different path for weave-kube 
So we don't accidentally read or write the hosts's /etc.
Also move the other volumes under /host to be more consistent with
what the weave script expects.
 2016-12-22 10:35:47 +00:00
Bryan Boreham bbd631f08f weave-kube no longer needs to supply the peer address 2016-12-09 15:34:31 +00:00
Adam Harrison e1d8992ec5 Merge branch '1.8' 
Fixes #2673.
 2016-12-07 11:24:13 +00:00
Bryan Boreham d1712e9589 Re-add expose to ensure it gets run on all nodes 
Previous change in a07e3301b1 meant that if there are no pods on
this node then the 'expose' never gets run.
 2016-12-06 14:58:31 +00:00
Bryan Boreham ec21afb426 Unify weave and launch.sh CNI setup 
Test 830 has to run CNI plugin under sudo now
 2016-12-06 11:52:09 +00:00
Bryan Boreham d501c78795 Merge pull request #2659 from weaveworks/issues/2581-optional-bridge-nf 
Optional bridge-nf detection
 2016-11-28 18:09:40 -08:00
Bryan Boreham d6544302d3 Check whether Weave's IP range overlaps something on the host already 2016-11-25 14:43:23 +00:00
Adam Harrison 28bf4e6e95 Optional bridge-nf detection 2016-11-25 12:40:20 +00:00
Adam Harrison 01c436ae15 Merge pull request #2642 from weaveworks/fix-launch-version 
Fix weave-kube launch.sh version usage
 2016-11-23 10:36:16 +00:00
Bryan Boreham 47cdf2b755 Simplify version sed 2016-11-22 15:42:53 +00:00
Bryan Boreham 15d91c558b Quote version string which may contain spaces, etc 2016-11-14 12:49:00 +00:00
Bryan Boreham ffc5a78139 Add code-coverage options to weaver version call 2016-11-14 12:42:17 +00:00
Bryan Boreham f8693074a3 Move CNI config file to the end of launch script 
So something waiting for the config (e.g. Kubernetes) doesn't try to
talk to Weave before then (this only helps on first install, but that
tends to be when things are busiest).
 2016-11-14 12:37:42 +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
Adam Harrison ea82a6715f Merge pull request #2569 from weaveworks/weave-kube-smoke-test 
weave-kube smoke test
 2016-11-04 12:58:20 +00:00
Marc CARRE da2f0803ce Add support for atomic and versioned upgrades of CNI plugin. 2016-11-04 11:54:22 +00:00
Bryan Boreham 6dde5e5ee9 Add code-coverage options to weaver start 2016-11-04 10:52:36 +00:00
Bryan Boreham 09628178e4 Weave-kube doesn't need to depend on plugin repo any more 2016-11-03 17:42:39 +00:00
Adam Harrison ac44fa63c8 Fix breakage caused by #2574 2016-11-03 11:52:58 +00:00
David Sauer d72e671d8b fixup! allow to not run NPC: do not create iptables rules for NPC 2016-11-02 10:10:33 +01:00
Bryan Boreham af10cef5f0 Set --status-addr for metrics by default 2016-11-01 17:04:04 +00:00
Bryan Boreham a1a42736ed Fix hard-coded http address 2016-11-01 16:53:37 +00:00
Artur Gadelshin 74b477ac82 allow to not run NPC: do not create iptables rules for NPC 2016-11-01 17:32:41 +03:00
Bryan Boreham 7dbee74e85 Add weave-kube image 2016-10-31 10:59:15 +00:00