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Kubernetes Submit Queue 9bd6c62a36 Merge pull request #61329 from Lion-Wei/ipvs-esipp

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

fix externaltrafficpolicy=local related ipvs ci case

**What this PR does / why we need it**:

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #61328

**Special notes for your reviewer**:
To realize externalTrafficPolicy=local, but do not affect traffic inside the cluster.
If thie pr got merged, the iptables rules of ipvs proxy mode ESIPP should be like(for loadbalance case):
```
Chain KUBE-FIRE-WALL (1 references)
target     prot opt source               destination         
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0            match-set KUBE-LB-INGRESS-LOCAL dst,dst
KUBE-MARK-MASQ  all  --  0.0.0.0/0            0.0.0.0/0            /* mark MASQ for external traffic policy not local */

Chain KUBE-MARK-DROP (0 references)
target     prot opt source               destination         
MARK       all  --  0.0.0.0/0            0.0.0.0/0            MARK or 0x8000

Chain KUBE-MARK-MASQ (3 references)
target     prot opt source               destination         
MARK       all  --  0.0.0.0/0            0.0.0.0/0            MARK or 0x4000

Chain KUBE-NODE-PORT (1 references)
target     prot opt source               destination         
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0            match-set KUBE-NODE-PORT-LOCAL-TCP dst
KUBE-MARK-MASQ  all  --  0.0.0.0/0            0.0.0.0/0            /* mark MASQ for external traffic policy not local */

Chain KUBE-POSTROUTING (0 references)
target     prot opt source               destination         
MASQUERADE  all  --  0.0.0.0/0            0.0.0.0/0            /* kubernetes service traffic requiring SNAT */ mark match 0x4000/0x4000
MASQUERADE  all  --  0.0.0.0/0            0.0.0.0/0            match-set KUBE-LOOP-BACK dst,dst,src

Chain KUBE-SERVICES (2 references)
target     prot opt source               destination         
KUBE-MARK-MASQ  all  -- !10.64.0.0/14         0.0.0.0/0            match-set KUBE-CLUSTER-IP dst,dst
KUBE-FIRE-WALL  all  --  0.0.0.0/0            0.0.0.0/0            match-set KUBE-LOAD-BALANCER-MASQ dst,dst
KUBE-NODE-PORT  tcp  --  0.0.0.0/0            0.0.0.0/0            tcp match-set KUBE-NODE-PORT-TCP dst
```

**Release note**:
```release-note
NONE
```

2018-04-07 21:33:13 -07:00