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43 Commits

Author SHA1 Message Date
John Gardiner Myers f5fc710d6c Remove references to ClusterSpec from nodeup sysctls.go 2023-07-09 21:11:54 -07:00
justinsb c89f434f1b Only use node challenge on hetzner 
DigitalOcean (and others) will follow shortly.

Also create a method for CloudProvider, so that we are more ambivalent
towards bootstrapping methods.
 2023-05-06 08:57:21 -04:00
Šimon Mišenčík 4f7f5dff4e
Increase max_map_count in sysctls.go 2023-04-13 09:14:17 +02:00
John Gardiner Myers cc49461849 Move several CNI tests to nodeup.Config 2023-01-15 23:11:58 -08:00
John Gardiner Myers da881fb320 Move NonMasqueradeCIDR to nodeup.Config 2023-01-15 17:19:18 -08:00
John Gardiner Myers b5eef1c129 Use NodeupConfig for kube-proxy config 2023-01-03 12:29:07 -08:00
John Gardiner Myers b38c55a2b9 Simplify nodeup references to CloudProvider 2022-12-20 19:44:32 -08:00
John Gardiner Myers 7c3e32369a Refactor Context into separate cloudup and nodeup types 2022-12-17 17:42:46 -08:00
Ole Markus With 30f1ba7922 Disable rp_filter on cilium hosts 2022-10-02 19:41:30 +02:00
Ole Markus With a34e75b0e0 Always disable rp_filter when using cilium 2022-08-17 08:48:45 +02:00
Peter Rifel 569180f54b
Re-add net.bridge settings for flannel 
This was originally only set on Centos 7 / RHEL 7 but we're experiencing similar issues on Amazon Linux 2
 2022-04-27 20:45:25 -05:00
justinsb 8d7f4485db staticcheck cleanup: fixup nodeup/pkg/model 
These pop up in VSCode and are pretty simple to fix:

```
nodeup/pkg/model/cloudconfig_test.go:86:17: possible nil pointer dereference (SA5011)
        nodeup/pkg/model/cloudconfig_test.go:83:5: this check suggests that the pointer can be nil
nodeup/pkg/model/cloudconfig_test.go:155:17: possible nil pointer dereference (SA5011)
        nodeup/pkg/model/cloudconfig_test.go:152:5: this check suggests that the pointer can be nil
nodeup/pkg/model/sysctls.go:172:12: error strings should not be capitalized (ST1005)
nodeup/pkg/model/sysctls.go:184:12: error strings should not be capitalized (ST1005)
nodeup/pkg/model/volumes.go:59:11: error strings should not be capitalized (ST1005)
```
 2021-12-20 10:36:54 -05:00
Robbie Lankford b5b87b19af
remove ineffectual assignment; this codeblock should likely have been removed with commit e19a1bbad9 2021-12-12 18:16:42 -06:00
justinsb 8220211655 nodeup: store the CloudProvider in the context 
This is a bit simpler than fetching it from the cluster every time,
and also can allow things like mixed-cloud clusters (in future).
 2021-12-11 09:16:03 -05:00
Ciprian Hacman e19a1bbad9 Remove support for RHEL/CentOS 7 2021-12-03 21:40:10 +02:00
Ciprian Hacman d1375353b0 Enable Router Advertisements for Debian 11 on ens* interfaces 2021-10-31 15:16:10 +02:00
Ciprian Hacman 91e215de96 Enable Router Advertisements for Debian 11 2021-10-30 10:22:43 +03:00
Ciprian Hacman 290d3d3e3d Remove unnecessary sysctl "net.ipv6.conf.all.accept_ra=2" 2021-10-02 08:07:04 +03:00
Ole Markus With fed0c16085 Revert "Remove unneeded network related sysctls" 
This reverts commit ce08ec68df.
 2021-09-25 08:24:47 +02:00
Ciprian Hacman ce08ec68df Remove unneeded network related sysctls 2021-09-22 06:51:10 +03:00
Ciprian Hacman 58fb2676eb Fix kernel parameter for IPv6 forwarding 2021-09-05 09:35:35 +03:00
Ole Markus With 4ef0172ee9 Enable protect-kernel-defaults by default and set the correct sysctls in nodeup 2021-08-23 11:48:20 +02:00
Ole Markus With ab596a49bc Enable ipv6 forwarding and router announcements 2021-08-11 11:09:29 +02:00
Ciprian Hacman d7f405f65a Decrease default values for net.ipv4.tcp_rmem and net.ipv4.tcp_wmem 2021-06-25 21:27:56 +03:00
Ciprian Hacman e68ee80a93 Move and rename the "distros" package 2020-08-17 07:25:43 +03:00
John Gardiner Myers a25f9198d1 Move SysctlParameters into the NodeupConfig 2020-06-17 09:09:24 -07:00
Justin Santa Barbara bb071bfb3a Turn on flannel sysctl fixes on rhel7 as well 
It looks like the same problems are occuring on rhel7, so turn on the
fixes there also.
 2020-04-22 20:20:50 -04:00
Xiaoyu Zhong afc54224aa Fix net.bridge setting for Flannel on CentOS 7 2020-01-20 16:55:42 +08:00
Kubernetes Prow Robot afb4ecb883
Merge pull request #7730 from ripta/custom-sysctls 
Custom sysctl Parameters
 2020-01-03 07:35:41 -08:00
Patrik Lundin ad9448ac40 sysctls.go: Fix some comments 
Comment for net.ipv4.tcp_tw_reuse from tcp(7).
 2019-11-13 13:01:06 +01:00
Ripta Pasay 56ea75cc91 Include custom sysctl parameters when running the sysctl builder 
(cherry picked from commit 6766f47c670b68d2bf1a13ef94a710bd48f10678)
 2019-10-30 10:55:01 -07:00
mikesplain 9e55b8230a Update copyright notices 
Also cleans some white spaces
 2019-09-09 14:47:51 -04:00
José Luis Ledesma 5064a54602 set net.ipv4.ip_local_reserved_ports to the KubeAPIServer ServiceNodePortRange parameter on nodeup 2019-01-15 16:25:28 +01:00
Rohith c9db958696 - cleanup up elements, imports and comments 2018-06-20 09:26:31 +01:00
Justin Santa Barbara 7fa4c28b1b Ensure iptables forwarding is enabled 
Docker 1.13 changed how it set up iptables in a way that broke
forwarding.

We previously got away with it because we set the ip_forward sysctl,
which meant that docker wouldn't change the rule.  But if we're using an
image that preinstalled docker, docker might have already reconfigured
iptables before we run, and we didn't set it back.

We now set it back.

https://github.com/kubernetes/kubernetes/issues/40182
 2017-11-30 20:29:32 -05:00
Steele Clifton-Berry eb387ac4c6 Also increase fs.inotify.max_user_watches from default. 2017-07-13 15:50:53 +10:00
Steele Clifton-Berry 67e4e0f111 Increase fs.inotify.max_user_instances limit. Fixes #2912 2017-07-12 16:35:19 +10:00
Justin Santa Barbara d2df318ecc Move CloudProvider to kops API 
This avoids a circular reference when breaking up the fi package
 2017-06-17 16:27:07 -04:00
andrewsykim c2e3717df2 remove setting nf_conntrack_max in nodeup 2017-03-28 21:40:19 -04:00
Justin Santa Barbara b9204e9911 Initial Container-Optimized OS support 
Add initial support for google's container-optimized OS (available on
GCE).
 2017-03-20 23:47:37 -04:00
Manuel de Brito Fontes 572e2ab53e Increase conntrack table size using sysctl 2017-02-08 12:14:41 -03:00
Justin Santa Barbara 17f54fefb7 Clean up sysctls 
Remove duplicate key; add missing blank line
 2017-01-09 00:30:47 -05:00
Justin Santa Barbara 5b3524cb80 Set default sysctls 2017-01-04 00:08:56 -05:00