[1.15] Fix PushContext.sidecarIndex.rootConfig flipping issue (#40575)#41255
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istio-testing merged 1 commit intoistio:release-1.15from Oct 7, 2022
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When a PushRequest doesn't have Service/VirtualService/DestinationRule/Sidecar change, in PushContext.updateContext(), initSidecarScopes() will not be invoked, new PushContext only copies sidecarIndex.sidecarsByNamespace from old one, sidecarIndex.rootConfig becomes nil. When workload namespace doesn't have Sidecar resource, this causes new ADS connection's SidecarScope being created by DefaultSidecarScopeForNamespace(), the global default sidecar in istio root namespace is not respected. (cherry picked from commit 5da33de) (cherry picked from commit 348b5e9a442f580361e319265e012729807809f7)
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/test unit-tests-arm64 |
dhawton
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Oct 4, 2022
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/retest |
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When a PushRequest doesn't have Service/VirtualService/DestinationRule/Sidecar change, in PushContext.updateContext(), initSidecarScopes() will not be invoked, new PushContext only copies sidecarIndex.sidecarsByNamespace from old one, sidecarIndex.rootConfig becomes nil.
When workload namespace doesn't have Sidecar resource, this causes new ADS connection's SidecarScope being created by DefaultSidecarScopeForNamespace(), the global default sidecar in istio root namespace is not respected.
(cherry picked from commit 5da33de) (cherry picked from commit 348b5e9a442f580361e319265e012729807809f7)
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