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xds: manage load stats for all clusters in XdsClient (v1.31.x backport) #7314

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xds: manage load stats for all clusters in XdsClient (v1.31.x backport) #7314

wants to merge 9 commits into from

Commits on Aug 11, 2020

  1. xds: import v3 proto for ADS service

    @dapengzhang0 @voidzcy
    dapengzhang0 authored and voidzcy committed Aug 11, 2020
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  2. xds: support load reporting all clusters option and fix actual report… 

    … interval measurement (grpc#7209)

- Add support for send_all_clusters field in LRS response. When it is set to true, just send load reports for clusters that the client is currently tracking (aka, is sending load to).

- The actual load report interval (in each ClusterStats message, which contains the stats for each cluster:eds_service) should be tracked individually.
    @voidzcy
    voidzcy committed Aug 11, 2020
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  3. xds: refactor usage of Node in Bootstrap to EnvoyProtoData.Node 

    In preparation for xds-v3 support.
    @dapengzhang0 @voidzcy
    dapengzhang0 authored and voidzcy committed Aug 11, 2020
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  4. xds: refactor AdsStream to envoy-proto-and-version-agnostic AbstractA… 

    …dsStream

In preparation of xds-v3 support.
    @dapengzhang0 @voidzcy
    dapengzhang0 authored and voidzcy committed Aug 11, 2020
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  5. xds: Add server features support to Bootstrapper 

    In preparation for xds-v3 support.
    @dapengzhang0 @voidzcy
    dapengzhang0 authored and voidzcy committed Aug 11, 2020
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  6. xds: parse timeout from RDS responses (grpc#7257)

    @voidzcy
    voidzcy committed Aug 11, 2020
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  7. xds: support v3 for XdsClient 

    Duplicated `XdsClientImptTest` for V3. `XdsClientImptTestV2` and all other tests are still using V2. Even for `XdsClientImptTest`, although the protocol is V3, the test xds server still sends V2 resources in its V3 response.
    @dapengzhang0 @voidzcy
    dapengzhang0 authored and voidzcy committed Aug 11, 2020
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  8. xds: resolve conflicts by adding timeout field in parsed RouteAction … 

    …for v2 tests (grpc#7278)
    @voidzcy
    voidzcy committed Aug 11, 2020
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  9. xds: manage load stats for all clusters in XdsClient (grpc#7299) 

    Move the creation of LoadStatsStore (aka, the stats object) into XdsClient. The XdsClient is responsible for managing the lifetime of stats objects. Creations of LoadStatsStores are reference counted so that multiple EDS policies can retrieve the same stats object for load recording. Counters for recording loads per locality also need to be reference counted, as each EDS policy for the same cluster will receive endpoints for the same group of localities, they will use the same load counters for recording each locality's loads.
    @voidzcy
    voidzcy committed Aug 11, 2020
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