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c0045f415b
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27 Commits

Author SHA1 Message Date
Michal Rostecki
c0045f415b agent(netpol): Explicitly enable IPv4 when necessary 
Before this change, kube-router was always assuming that IPv4 is
enabled, which is not the case in IPv6-only clusters. To enable network
policies in IPv6-only, we need to explicitly let kube-router know when
to disable IPv4.

Signed-off-by: Michal Rostecki <vadorovsky@gmail.com>
 2022-04-29 10:51:38 -07:00
Michal Rostecki
c707948adf netpol: Add dual-stack support 
This change allows to define two cluster CIDRs for compatibility with
Kubernetes dual-stuck, with an assumption that two CIDRs are usually
IPv4 and IPv6.

It does that by levearaging changes in out kube-router fork, with the
following downstream release:

https://github.com/k3s-io/kube-router/releases/tag/v1.3.2%2Bk3s

Signed-off-by: Michal Rostecki <vadorovsky@gmail.com>
 2022-04-06 14:43:09 +02:00
Luther Monson
9a849b1bb7
[master] changing package to k3s-io (#4846) 
* changing package to k3s-io

Signed-off-by: Luther Monson <luther.monson@gmail.com>

Co-authored-by: Derek Nola <derek.nola@suse.com>
 2022-03-02 15:47:27 -08:00
Manuel Buil
062fe63dd1 Fix annoying netpol log 
Signed-off-by: Manuel Buil <mbuil@suse.com>
 2022-02-10 20:01:27 +01:00
Michal Rostecki
4fed9f4052 netpol: Use kube-router as a library 
Before this change, we were copying a part of kube-router code to
pkg/agent/netpol directory with modifications, from which the biggest
one was consumption of k3s node config instead of kube-router config.

However, that approach made it hard to follow new upstream versions.
It's possible to use kube-router as a library, so it seems like a better
way to do that.

Instead of modifying kube-router network policy controller to comsume
k3s configuration, this change just converts k3s node config into
kube-router config. All the functionality of kube-router except netpol
is still disabled.

Signed-off-by: Michal Rostecki <mrostecki@opensuse.org>
Signed-off-by: Manuel Buil <mbuil@suse.com>
 2022-02-07 10:54:08 +01:00
Derek Nola
21c8a33647
Introduction of Integration Tests (#3695) 
* Commit of new etcd snapshot integration tests.
* Updated integration github action to not run on doc changes.
* Update Drone runner to only run unit tests

Signed-off-by: dereknola <derek.nola@suse.com>
 2021-07-26 09:59:33 -07:00
Derek Nola
73df2d806b
Update embedded kube-router (#3557) 
* Update embedded kube-router

Signed-off-by: dereknola <derek.nola@suse.com>
 2021-07-07 08:46:10 -07:00
Brad Davidson
2705431d96
Add support for dual-stack Pod/Service CIDRs and node IP addresses (#3212) 
* Add support for dual-stack cluster/service CIDRs and node addresses

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
 2021-04-21 15:56:20 -07:00
Brad Davidson
65c78cc397 Replace options.KubeRouterConfig with config.Node and remove metrics/waitgroup stuff 
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
 2021-02-03 10:41:51 -08:00
Brad Davidson
95a1a86847 Spell check upstream code 
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
 2021-02-03 10:41:51 -08:00
Brad Davidson
29483d0651 Initial update of netpol and utils from upstream 
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
 2021-02-03 10:41:51 -08:00
JenTing Hsiao
57041f0239
Add codespell CI test and fix codespell error (#2740) 
* Add codespell CI test
* Fix codespell error
 2020-12-22 12:35:58 -08:00
Erik Wilson
e26e333b7e
Add network policy controller CacheSyncOrTimeout 2020-10-07 12:35:44 -07:00
Erik Wilson
045cd49ab5
Add event handlers to network policy controller 2020-10-07 12:10:27 -07:00
Brad Davidson
8c6d3567fe Rename k3s-controller based on the build-time program name 
Since we're replacing the k3s rolebindings.yaml in rke2, we should allow
renaming this so that we can use the white-labeled name downstream.

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
 2020-09-16 10:53:07 -07:00
Brian Downs
866dc94cea
Galal hussein etcd backup restore (#2154) 
* Add etcd snapshot and restore

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* fix error logs

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* goimports

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* fix flag describtion

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* Add disable snapshot and retention

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* use creation time for snapshot retention

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* unexport method, update var name

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* adjust snapshot flags

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update var name, string concat

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* revert previous change, create constants

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* updates

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* type assertion error checking

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* pr remediation

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* pr remediation

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* pr remediation

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* pr remediation

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* pr remediation

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* updates

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* updates

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* simplify logic, remove unneeded function

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update flags

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update flags

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* add comment

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* exit on restore completion, update flag names, move retention check

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* exit on restore completion, update flag names, move retention check

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* exit on restore completion, update flag names, move retention check

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update disable snapshots flag and field names

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* move function

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update field names

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update var and field names

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update var and field names

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update defaultSnapshotIntervalMinutes to 12 like rke

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update directory perms

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update etc-snapshot-dir usage

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update interval to 12 hours

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* fix usage typo

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* add cron

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* add cron

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* add cron

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* wire in cron

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* wire in cron

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* wire in cron

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* wire in cron

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* wire in cron

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* wire in cron

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* wire in cron

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update deps target to work, add build/data target for creation, and generate

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* remove dead make targets

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* error handling, cluster reset functionality

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* error handling, cluster reset functionality

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* update

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* remove intermediate dapper file

Signed-off-by: Brian Downs <brian.downs@gmail.com>

Co-authored-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>
 2020-08-28 16:57:40 -07:00
Erik Wilson
0d6a2bfb0b
Merge pull request #1974 from mschneider82/patch-1 
fixed panic in network_policy_controller
 2020-07-01 09:48:00 -07:00
niusmallnan
d713683614 Add retry backoff for starting network-policy controller 
Signed-off-by: niusmallnan <niusmallnan@gmail.com>
 2020-06-30 09:25:09 +08:00
Matthias Schneider
56a083c812 fixed panic in network_policy_controller 
I have rebooted a newly created k3s etcd cluster and this panic was triggered:

    ```
    k3s[948]: [signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x45f2945]
    k3s[948]: goroutine 1 [running]:
    k3s[948]: github.com/rancher/k3s/pkg/agent/netpol.NewNetworkPolicyController(0xc00159e180, 0x61b4a60, 0xc006294000, 0xdf8475800, 0xc011d9a360, 0xc, 0x0, 0xc00bf545b8, 0x2b2edbc)
    k3s[948]:         /home/x/git/k3s/pkg/agent/netpol/network_policy_controller.go:1698 +0x275
    ```

Signed-off-by: Matthias Schneider <ms@wck.biz>
 2020-06-29 20:49:24 +02:00
Darren Shepherd
a8d96112d9 Updates for k8s v1.18 support 2020-04-18 23:59:08 -07:00
Knic Knic
c2db115ec3 fix formatting 2020-02-23 00:48:26 -08:00
Knic Knic
2346ccc63f get build on windows and get api_server to work 2020-02-22 23:17:59 -08:00
Erik Wilson
5b98d10e4b Warn if NPC can't start rather than fatal error 
If the ip_set kernel module is not available we should warn
that the network policy controller can not start rather than
cause a fatal error.

Also adds module probing and config checks for ip_set.
 2020-01-14 14:30:12 -07:00
yuzhiquan
24869ddf21 remove []byte trans, handle func error 2019-11-28 19:26:45 +08:00
yuzhiquan
7cc0110081 fix typo 2019-11-28 19:24:19 +08:00
Darren Shepherd
ba240d0611 Refactor tokens, bootstrap, and cli args 2019-10-30 19:06:49 -07:00
Erik Wilson
da3a7c6bbc Add network policy controller 2019-10-18 16:11:42 -07:00