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Automated cherry pick of #95400: Local Traffic Detector: Add two new modes #109209

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wants to merge 4 commits into from
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Automated cherry pick of #95400: Local Traffic Detector: Add two new modes #109209

wants to merge 4 commits into from

Commits on Mar 31, 2022

  1. Local Traffic Detector: Add two new modes 

    This PR introduces two new modes for detecting
local traffic in a cluster.
1) detectLocalByBridgeInterface: This takes a bridge name
as argument and decides all traffic that match on their
originating interface being that of this bridge, shall be
considered as local pod traffic.
2) detectLocalByInterfaceNamePrefix: This takes an interface prefix
name as argument and decides all traffic that match on their
originating interface names having a prefix that matches this
argument shall be considered as local pod traffic.

Signed-off-by: Surya Seetharaman <suryaseetharaman.9@gmail.com>
    @tssurya @wedaly
    tssurya authored and wedaly committed Mar 31, 2022
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  2. Enable local traffic detection using the interface options 

    This commit adds the framework for the new local detection
modes BridgeInterface and InterfaceNamePrefix to work.

Signed-off-by: Surya Seetharaman <suryaseetharaman.9@gmail.com>
    @tssurya @wedaly
    tssurya authored and wedaly committed Mar 31, 2022
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  3. Add validation for bridge-interface and interface-name-prefix 

    Co-authored-by: Will Daly <widaly@microsoft.com>
Signed-off-by: Surya Seetharaman <suryaseetharaman.9@gmail.com>
    @tssurya @wedaly
    tssurya and wedaly committed Mar 31, 2022
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  4. Add shim JumpIfLocal and JumpIfNotLocal to backport to 1.23 

    Kubernetes 1.24 changed the LocalTrafficDetector interface
in commit e354964.

To backport the BridgeInterface and InterfaceNamePrefix
detect local modes to 1.23, add shim methods JumpIfLocal and
JumpIfNotLocal so the new implementation satisfy the
LocalTrafficDetector interface as defined in 1.23.

Signed-off-by: Will Daly <widaly@microsoft.com>
    @wedaly
    wedaly committed Mar 31, 2022
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