Add support for BIGTABLE_EMULATOR_HOST environment variable #2242

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1. daspecster

   added

   api: bigtableIssues related to the Bigtable API.Issues related to the Bigtable API.

   on Sep 2, 2016
2. dhermes commented on Sep 2, 2016

   

   dhermes

   on Sep 2, 2016

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   👍 I just noticed last week that the Bigtable emulator had been added. I've been meaning to sort out some b0rken-ness with the other clients (never checked if they worked after adding gRPC support to the clients).
3. dhermes commented on Sep 6, 2016

   

   dhermes

   on Sep 6, 2016

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   @garye I mostly have this finished but it seems like most of system_tests/bigtable.py fails because the backend comes back with UNAVAILABLE. Is there a list of methods actually working in the emulator?
4. garye commented on Sep 6, 2016

   

   garye

   on Sep 6, 2016

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   Instance-related commands aren't implemented and I suspect that's what you're running into. It's meant for table-level admin/read/write operations, so you can reference any project/instance when you create a table.
5. dhermes commented on Sep 6, 2016

   

   dhermes

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   OK. It seems empirically that deleting a table doesn't work. Also, I'm starting to think some of the UNAVAILABLE I'm seeing are masked as other issues, e.g. creating a table that already exists (since a previous delete failed). And possibly my system test has too high a QPS for the server?
6. garye commented on Sep 6, 2016

   

   garye

   on Sep 6, 2016

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   • UNAVAILABLE was because the server crashed when asked to do a ReadRows with no Rows specified. This should be supported so we'll fix ASAP, but it will be at least a week until a fix can make it into a gcloud release.
   • Deleting a table should work fine, it does locally when I ran a patched emulator that handles the ReadRows request.
   • The TableAdmin tests are supported and pass locally if enabled.
   • Reading with a label is not supported and isn't high on the list since it's seldom used. I'd skip that test in emulator mode.
7. dhermes commented on Sep 6, 2016

   

   dhermes

   on Sep 6, 2016

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   Thanks for digging into this! We already skip the IAM tests on the Pub / Sub side when running in the emulator, so not a big deal for labels.

   The sugar to allow local connections when the emulator already works before waiting for the gcloud CLI fix to be released. Worth adding that support and then adding a working tox -e bigtable-emulator in a subsequent PR?
8. garye commented on Sep 6, 2016

   

   garye

   on Sep 6, 2016

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   Yeah that works for me, I'd like to see something out sooner rather than later.
9. dhermes commented on Sep 8, 2016

   

   dhermes

   on Sep 8, 2016

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   @garye Now that #2249 has been merged, can you give me a heads up when the fixes are in so I can add tox -e bigtable-emulator?
10. garye commented on Sep 15, 2016

    

    garye

    on Sep 15, 2016

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    @dhermes The latest gcloud/emulator release should have the fix. Can you give it a shot?
11. dhermes

    added a commit that references this issue on Sep 15, 2016

    Adding bigtable-emulator tox environment.

    ...

    This issue will close once commit afc36e2 is merged into the 'master' branch.

    afc36e2
12. dhermes commented on Sep 15, 2016

    

    dhermes

    on Sep 15, 2016

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    @garye Thanks for the heads-up. Check out #2322 and LMK if I've disable too many test cases.
13. dhermes

    added 3 commits that reference this issue on Sep 16, 2016

    Adding bigtable-emulator tox environment.

    ...

    This issue will close once commit c3dc0de is merged into the 'master' branch.

    c3dc0de

    Adding bigtable-emulator tox environment.

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    This issue will close once commit 5b77316 is merged into the 'master' branch.

    5b77316

    Adding bigtable-emulator tox environment.

    ...

    This issue will close once commit b42bdc8 is merged into the 'master' branch.

    b42bdc8
14. dhermes

    closed this as completedin #2322on Sep 20, 2016
15. JustinBeckwith

    assigned

    dhermes

    on Feb 1, 2021
16. parthea

    added a commit that references this issue on Mar 6, 2026

    chore(deps): update all dependencies to v3.35.0 (#2242)

    5f9721b
17. parthea

    added a commit that references this issue on Apr 1, 2026

    chore(main): release 2.29.0 (#2242)

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    a69afc4