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From tillrohrmann <...@git.apache.org>
Subject [GitHub] flink pull request #4603: [FLINK-7534] Create LegacyRestHandlerAdapter for o...
Date Sat, 26 Aug 2017 20:27:14 GMT
GitHub user tillrohrmann opened a pull request:

    https://github.com/apache/flink/pull/4603

    [FLINK-7534] Create LegacyRestHandlerAdapter for old REST handlers

    ## What is the purpose of the change
    
    Introduce LegacyRestHandler interface which the old REST handler have to implement
    in order to make them usable for the RestServerEndpoint in combination with the
    LegacyRestHandlerAdapter. The LegacyRestHandlerAdapter extends the AbstractRestHandler
    and runs the LegacyRestHandler implementation.
    
    As an example, this commit ports the ClusterOverviewHandler to the new interface. The
    Dispatcher side still has to be properly implemented.
    
    ## Brief change log
    
    - Introduce `LegacyRestHandler` interface to be implemented by the old REST handler
    - Implement `LegacyRestHandlerAdapter` which allows the `LegacyRestHandler` to be executed
by the `RestServerEndpoint`
    - Port the `ClusterOverviewHandler` to the `LegacyRestHandler` interface
    
    ## Verifying this change
    
    This change has been manually verified by starting the `DispatcherRestEndpoint` and opening
the web frontend in a browser.
    
    ## Does this pull request potentially affect one of the following parts:
    
      - Dependencies (does it add or upgrade a dependency): (no)
      - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
      - The serializers: (no)
      - The runtime per-record code paths (performance sensitive): (no)
      - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing,
Yarn/Mesos, ZooKeeper: (no)
    
    ## Documentation
    
      - Does this pull request introduce a new feature? (no)
      - If yes, how is the feature documented? (not applicable)
    


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/tillrohrmann/flink createLegacyHandlerAdapter

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/4603.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #4603
    
----
commit 7835d0a89c8ecdd5b9661ee8c57a9d63a3ed3742
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-14T13:47:04Z

    [FLINK-7522] Add termination future to ClusterEntrypoint
    
    The termination future is completed when the ClusterEntrypoint shuts down. This
    allows for easier testing.

commit 2cdf97f824bc62a82e65f4c160b9ad64de446de4
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-16T12:36:13Z

    [FLINK-7457] Make Dispatcher highly available
    
    This commit introduces a dispatcher leader election and retrieval service to the
    HighAvailabilityServices. Moreover it adds code such that the Dispatcher now takes
    part in the leader election process using the afore-mentioned services.
    
    Let Dispatcher participate in leader election
    
    Add test for Dispatcher leader election

commit 04caf85d33ddfc3a4a9b788745b8282c3437d8e2
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-10T08:56:12Z

    [FLINK-7409] [web] Make WebRuntimeMonitor reactive
    
    This commit changes the behaviour of the WebRuntimeMonitor to not longer block serving
    threads by waiting on the result of futures. Instead the RequestHandler now returns a
    CompletableFuture<FullHttpResponse> which is written out to the Netty channel upon
    completion. This will improve the performance of our WebRuntimeMonitor.

commit 4fa6dedd95555a2d1a91339ff5effda3bc2bd1d5
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-15T10:00:58Z

    [FLINK-7458] Generalize GatewayRetriever for WebRuntimeMonitor
    
    Introduce a generalized GatewayRetriever replacing the JobManagerRetriever. The
    GatewayRetriever fulfills the same purpose as the JobManagerRetriever with the
    ability to retrieve the gateway for an arbitrary endpoint type.

commit 0f9b2ce77e20f25fc95ddeba98f863b86450a72c
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-15T11:55:47Z

    [FLINK-7459] Generalize Flink's redirection logic
    
    Introduce RedirectHandler which can be extended to add redirection functionality to all
    SimpleInboundChannelHandlers. This allows to share the same functionality across the
    StaticFileServerHandler and the RuntimeMonitorHandlerBase which could now be removed.
    In the future, the AbstractRestHandler will also extend the RedirectHandler.

commit 88aed4f7a198b3994271088b8e19558d399ddd9d
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-17T13:04:19Z

    [FLINK-7527] [rest] Let AbstractRestHandler extend RedirectHandler
    
    By letting the AbstractRestHandler extend the RedirectHandler, we add redirection
    capabilities to the AbstractRestHandler.

commit 9b7de1dc21b771fc10ee1661f34c142e990b424f
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-17T13:25:33Z

    [FLINK-7528] Create DispatcherRestEndpoint and integrate with Dispatcher
    
    This commit creates the DispatcherRestEndpoint and integrates it with the
    Dispatcher. The DispatcherRestEndpoint is created in the SessionClusterEntrypoint
    and its address is passed to the Dispatcher such that it can answer the
    requestRestAddress RPC.

commit 5e1d0962e654038894fa376e86b1eeb1565c851b
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-17T14:55:03Z

    [FLINK-7529] Retrieve complete REST address from gateway
    
    With this change, the complete REST address (protocol://hostname:port) is retrieved
    from the RestfulGateway. That way we decouple the RestHandlers from the underlying
    RestServerEndpoint/WebRuntimeMonitor because they no longer have to know whether
    HTTPs is enabled or not.

commit 7de9e4fa387bf355b0b3d5b520f522b80b3f14fa
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-18T07:52:30Z

    [FLINK-7531] Move Flink legacy rest handler to flink-runtime
    
    Move metrics handlers under o.a.f.runtime.webmonitor.handlers
    
    Move StaticFileServerHandler under o.a.f.runtime.webmonitor.files

commit cffb1ce128a5f6c5f2a3a9461ce1895fe0269273
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-18T12:05:11Z

    [FLINK-7532] Add web content handler to DispatcherRestEndpoint
    
    Adds the StaticFileContentHandler to the DispatcherRestEndpoint if the
    flink-runtime-web dependency is in the classpath. In order to setup the
    respective channel handler, this commit introduces the setupChannelHandlers
    method to the RestServerEndpoint.

commit e8ef04c261905d551eb270fd22895363d34c22f3
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-18T12:29:29Z

    [FLINK-7533] Let LeaderGatewayRetriever retry failed gateway retrievals
    
    Add test case

commit e809638dd76c9043c4215704b74455a9177cf1be
Author: Till Rohrmann <trohrmann@apache.org>
Date:   2017-08-18T14:18:19Z

    [FLINK-7534] Create LegacyRestHandlerAdapter for old REST handlers
    
    Introduce LegacyRestHandler interface which the old REST handler have to implement
    in order to make them usable for the RestServerEndpoint in combination with the
    LegacyRestHandlerAdapter. The LegacyRestHandlerAdapter extends the AbstractRestHandler
    and runs the LegacyRestHandler implementation.
    
    As an example, this commit ports the ClusterOverviewHandler to the new interface. The
    Dispatcher side still has to be properly implemented.

----


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