Ingress policy enforcement v1.25 #402
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[ upstream commit f7871bb ] Flush on proxylib close so that any remaining data is not cut off. Signed-off-by: Jarno Rajahalme <jarno@isovalent.com>
[ upstream commit 553af5a ] Add enforce_policy_on_l7_lb to bpf_metadata config to maintain backwards compatibility by explicitly turning on policy enforcement on Ingress to support older Cilium releases on the same Envoy build. Store the original source identity for enforcing ingress policy for Ingress, that otherwise only enforces the egress policy, as it operates on the egress path. Now both ingress and egress policies for the ingress identity are enforced when enforce_policy_on_l7_lb is configured as 'true'. Ingress arrives to Cilium nodes at node ports, which are meaningless for Cilium Network Policies. To remedy this the destination port of the selected backend is used also in ingress path policy enforcement. Note that this destination port may be different from the one the traffic was first received at the external load balancer. Signed-off-by: Jarno Rajahalme <jarno@isovalent.com>
[ upstream commit ee919e1 ] Refactor Config::getMetadata() processing of L7 LB config to be more explicit and to error out on invalid config so that invalid traffic does not accidentally slip through. Adjust tests accordingly and add new tests to cover the new 'enforce_policy_on_l7lb' option. Signed-off-by: Jarno Rajahalme <jarno@isovalent.com>
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This might not require anymore once the below PRs are merged |
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Closed in favor of #442 |
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Backport of #351 on v1.25