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45 Commits (95f2ca2ff65a03342746a2a49b8f360428dd94a2)

Author SHA1 Message Date
goltermann dddc6cb6c8 Fix a few spellings. 2016-04-21 15:16:42 -07:00
CJ Cullen 760568796f Masquerade traffic from off-cluster going through kube-proxy. 2016-04-19 21:39:34 -07:00
Minhan Xia ad8c67723a add test for udp connection flush 2016-04-18 14:58:08 -07:00
Minhan Xia 4fa6f3841a fixing dead endpoint black hole udp traffic 2016-04-13 10:20:02 -07:00
Dan Williams 6248939e11 Push responsibility for bridge-nf-call-iptables to kubelet network plugins 
bridge-nf-call-iptables appears to only be relevant when the containers are
attached to a Linux bridge, which is usually the case with default Kubernetes
setups, docker, and flannel.  That ensures that the container traffic is
actually subject to the iptables rules since it traverses a Linux bridge
and bridged traffic is only subject to iptables when bridge-nf-call-iptables=1.

But with other networking solutions (like openshift-sdn) that don't use Linux
bridges, bridge-nf-call-iptables may not be not relevant, because iptables is
invoked at other points not involving a Linux bridge.

The decision to set bridge-nf-call-iptables should be influenced by networking
plugins, so push the responsiblity out to them.  If no network plugin is
specified, fall back to the existing bridge-nf-call-iptables=1 behavior.
 2016-02-23 09:34:59 -06:00
k8s-merge-robot b32078d89b Merge pull request #20496 from matthewdupre/masquerade-config 
Auto commit by PR queue bot
 2016-02-08 10:49:20 -08:00
Matt Dupre 9925cddc11 Change iptables fwmark to use single configurable bit instead of whole mark space 2016-02-08 11:12:09 +00:00
k8s-merge-robot c26087db45 Merge pull request #19611 from thockin/proxy-sysctl-decouple 
Auto commit by PR queue bot
 2016-02-06 23:01:48 -08:00
Tim Hockin 1e7db4a174 Implement proper cleanup in iptables proxy 2016-02-07 02:42:18 +00:00
Tim Hockin 107c5f7813 Put all masquerade mark logic into new chains 
This allows us to use the MARK-MASQ chain as a subroutine, rather than encoding
the mark in many places.  Having a KUBE-POSTROUTING chain means we can flush
and rebuild it atomically.  This makes followon work to change the mark
significantly easier.
 2016-02-07 02:42:07 +00:00
Tim Hockin 41ba8ced6d Dont log errors on proxy leftover cleanup 2016-02-07 02:41:50 +00:00
Marc Lough c33fcba311 Reject packets to services without endpoints 2016-02-04 20:56:02 +00:00
Prashanth Balasubramanian e1fa6e9fb8 kube-proxy applies latest snapshot of endpoints and services. 2016-02-03 12:58:37 -08:00
Tim Hockin 11f75e61b9 Inject a kernel-compat tester for kube-proxy test 2016-02-02 22:11:39 -08:00
Tim Hockin 970c045848 Enable iptables kube-proxy by default in master 2015-11-13 18:38:01 -08:00
k8s-merge-robot 36bae67910 Merge pull request #16548 from ArtfulCoder/kube-proxy-mem-use 
Auto commit by PR queue bot
 2015-10-30 06:23:14 -07:00
Abhishek Shah 5367a32ee9 Read Iptables-save output in a more-memory-efficient way 2015-10-29 15:30:00 -07:00
Avesh Agarwal e1837185de Improves iptables cleanup for pure iptables based proxier. 2015-10-27 13:08:16 -04:00
derekwaynecarr 970c369f31 Kubelet sets kernel overcommit_memory flag 2015-10-06 14:28:46 -04:00
Alex Robinson b1461be2e4 Merge pull request #14982 from Huawei-PaaS/fixed_typos_for_proxy 
Fixed some typos for pkg/proxy
 2015-10-05 11:40:03 -07:00
qiaolei 718d7df276 Fixed some typos 2015-10-03 00:33:35 +08:00
Mikaël Cluseau 4bf0ef8ce2 setSysctl for bridge-nf-call-iptables should fail with a warning 2015-09-26 17:11:33 +11:00
k8s-merge-robot bf990acefa Merge pull request #13988 from thockin/kube-proxy-startup-clobber 
Auto commit by PR queue bot
 2015-09-17 01:29:35 -07:00
Tim Hockin 84a9b0a37a Fix bug in iptables proxy that clobbered endpoints 
There is a race at startup where the two watch operations might clobber state
if the initial message comes in the wrong order.
 2015-09-15 13:07:33 -07:00
Dan Winship 30ea22f40e Make kube-proxy resync its rules on firewalld restart 2015-09-15 11:17:40 -04:00
Dan Winship a41e422600 Drop the "v" from GetIptablesVersionString() output 
Neither of its callers wants it
 2015-08-31 09:54:57 -04:00
Tim Hockin 8e503f3814 Hold node ports in iptables proxier 2015-08-24 16:35:05 -07:00
Nikhil Jindal 9a7f871d17 Merge pull request #12896 from thockin/proxy-nodeports 
Tail-call nodeports rules in iptables proxy
 2015-08-24 10:39:54 -07:00
Tim Hockin 16102c41df Tail-call nodeports rules in iptables proxy 2015-08-21 14:15:21 -07:00
BenTheElder 81ab51709a Add --cleanup-iptables flag to kube-proxy 
Adds a flag to cleanup iptables rules created by kube-proxy per
https://github.com/mesosphere/kubernetes-mesos/issues/353#issuecomment-1
27382832
 2015-08-21 14:44:11 -04:00
Jerzy Szczepkowski 3df1b9e151 Merge pull request #12986 from BenTheElder/masquerade_all_flag 
Add flag to masquerade all in kube-proxy when using iptables proxier
 2015-08-21 10:28:07 +02:00
BenTheElder 1f2076ce64 Add flag to masquerade all in kube-proxy when using iptables proxier 2015-08-20 20:12:32 -04:00
Abhishek Shah b6b8e99393 External IPs support. 2015-08-20 16:10:01 -07:00
Tim Hockin 6f34be30a3 Limit float precision to 5 points 2015-08-17 20:57:44 -07:00
Tim Hockin 7e9c685ba6 Require same min iptables version as -C 2015-08-17 20:57:44 -07:00
Tim Hockin 3a5c23d727 test for and set bridge-nf-call-iptables sysctl 2015-08-17 20:57:44 -07:00
Tim Hockin 9cf33772b4 test for and set route_localnet sysctl 2015-08-17 20:52:06 -07:00
Tim Hockin f1a48574a6 Clean up logging, make initial sync faster 2015-08-17 20:52:06 -07:00
Tim Hockin d72892d0b0 Include protocol in the hash for chain names 2015-08-17 20:52:06 -07:00
Tim Hockin 731d5e5191 Clean up iptables rules, add nodeport support 2015-08-17 20:52:06 -07:00
Tim Hockin d14c98f6cc Add nodepoprt chain and link it in, add unused MASQ rule 2015-08-17 20:52:06 -07:00
Robert Bailey 6fcdcec25d Merge pull request #12658 from sdminonne/bug_fix2 
to fix govet issue
 2015-08-17 10:58:10 -07:00
Tim Hockin 776132e1ae Make kube-proxy iptables sync period configurable 2015-08-13 09:53:32 -07:00
Salvatore Dario Minonne 48018c402c to fix govet issue 2015-08-13 17:26:43 +02:00
BenTheElder ae569e20b5 Partially Implement #3760 2015-08-12 02:39:15 -04:00