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datapath: Add a new option to skip socket lb when in pod ns #17154

Merged
merged 1 commit into from
Sep 30, 2021
Merged

datapath: Add a new option to skip socket lb when in pod ns #17154

merged 1 commit into from
Sep 30, 2021

Commits on Sep 29, 2021

  1. Adds a new option to skip socket lb when in pod ns 

    This is for compatibility with Istio in kube-proxy free mode.
Currently, even though Istio would still get all traffic within pod
namespace, but the original service VIP is lost during socket lb,
causing it to miss all Istio routing chains and therefore bypassing
all Istio functionalities.

This adds a new option to bypass socket lb in pod namespace. When
enabled, service resolution for connection from pod namespaces will be
handled in bpf_lxc at veth. For host-namespaced pods, socket lb kept as
is.

Signed-off-by: Weilong Cui <cuiwl@google.com>
Signed-off-by: Martynas Pumputis <m@lambda.lt>
    @Weil0ng @brb
    Weil0ng authored and brb committed Sep 29, 2021
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