[featureflag]: use float to check for flag probability by puckpuck · Pull Request #1237 · open-telemetry/opentelemetry-demo

puckpuck · 2023-11-06T17:53:34Z

Changes

This adds the ability to do A/B testing with feature flags. Instead of storing the feature flag enabled as a boolean, it is now stored as a float. 0 = false. 1 = true. Everything between 0 and 1 will be used as a probability. If the flag has a value of 0.3, it will return true 30% of the time.

A new attribute called app.featureflag.raw_value is added to the feature flag spans containing the actual raw value for the flag as a float.

Merge Requirements

For new features contributions please make sure you have completed the following
essential items:

CHANGELOG.md updated to document new feature additions
Appropriate documentation updates in the docs

Maintainers will not merge until the above have been completed. If you're unsure
which docs need to be changed ping the
@open-telemetry/demo-approvers.

Signed-off-by: Pierre Tessier <pierre@pierretessier.com>

joshleecreates · 2023-11-06T21:02:29Z

Works for me! Small tweaks that could be a follow up PR: Make the input a number field and add some help text for how to use it. It might also be nice to add a failure scenario flag that causes an error with 100% of requests so that this FF ratio is easy to verify — current scenarios are mostly sporadic.

joshleecreates · 2023-11-06T21:08:36Z

@puckpuck to make migrations easier, maybe we want to just drop the ffs_postgres database at startup?

…tgres

github-actions · 2023-11-18T03:18:32Z

This PR was marked stale due to lack of activity. It will be closed in 7 days.

puckpuck · 2023-11-21T04:50:09Z

Works for me! Small tweaks that could be a follow up PR: Make the input a number field and add some help text for how to use it. It might also be nice to add a failure scenario flag that causes an error with 100% of requests so that this FF ratio is easy to verify — current scenarios are mostly sporadic.

I've tried to do this, and maybe I'm missing something, but if using a number type input with Phoenix, the value needs to be an integer.

# Conflicts: # CHANGELOG.md

Signed-off-by: Pierre Tessier <pierre@pierretessier.com>

joshleecreates · 2023-11-21T12:58:01Z

Works for me! Small tweaks that could be a follow up PR: Make the input a number field and add some help text for how to use it. It might also be nice to add a failure scenario flag that causes an error with 100% of requests so that this FF ratio is easy to verify — current scenarios are mostly sporadic.

I've tried to do this, and maybe I'm missing something, but if using a number type input with Phoenix, the value needs to be an integer.

@puckpuck I added a PR to your repo that does a decimal number input with a number(2,1) column type

julianocosta89 · 2023-11-26T08:22:28Z

@puckpuck will you add @joshleecreates' PR into this one, or should we get this one merged?

austinlparker · 2023-11-29T16:07:01Z

Where are we at with this PR?

…ty_based_flags

…lags Add help text for float feature flags; Fix postgres upgrades

Signed-off-by: Pierre Tessier <pierre@pierretessier.com>

puckpuck · 2023-12-03T23:41:25Z

This PR is ready now. I merged in the changes from @joshleecreates and made some edits to the help text. I checked what we have for existing docs, and anything about this feature would be net new, so I'm not sure we need to add anything there.

joshleecreates · 2023-12-04T15:27:32Z

This PR is ready now. I merged in the changes from @joshleecreates and made some edits to the help text. I checked what we have for existing docs, and anything about this feature would be net new, so I'm not sure we need to add anything there.

I think you will want to change the SQL column to number(3,2) based on your changes to the input.

julianocosta89 · 2023-12-05T14:50:45Z

@puckpuck I'm not able to run the FeatureFlagService, I'm getting this error:

❯ docker logs feature-flag-service 
14:47:01.825 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:47:01.857 [info] create table featureflags
14:47:01.876 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.
14:47:09.134 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:47:09.171 [info] create table featureflags
14:47:09.180 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.
14:47:17.532 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:47:17.576 [info] create table featureflags
14:47:17.624 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.
14:47:22.474 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:47:22.487 [info] create table featureflags
14:47:22.500 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.
14:47:26.847 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:47:26.859 [info] create table featureflags
14:47:26.873 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.
14:47:31.531 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:47:31.536 [info] create table featureflags
14:47:31.551 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.
14:47:39.064 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:47:39.076 [info] create table featureflags
14:47:39.116 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.
14:47:49.172 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:47:49.185 [info] create table featureflags
14:47:49.214 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.
14:48:03.538 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:48:03.540 [info] create table featureflags
14:48:03.551 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.
14:48:30.197 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:48:30.200 [info] create table featureflags
14:48:30.214 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.
14:49:23.502 [info] == Running 20220524172636 Featureflagservice.Repo.Migrations.CreateFeatureflags.change/0 forward
14:49:23.505 [info] create table featureflags
14:49:23.542 [info] create index featureflags_name_index
** (Ecto.ChangeError) value `false` for `Featureflagservice.FeatureFlags.FeatureFlag.enabled` in `insert` does not match type :float
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1019: Ecto.Repo.Schema.dump_field!/6
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1028: anonymous fn/6 in Ecto.Repo.Schema.dump_fields!/5
    (stdlib 3.14.2.2) maps.erl:233: :maps.fold_1/3
    (ecto 3.10.1) lib/ecto/repo/schema.ex:1026: Ecto.Repo.Schema.dump_fields!/5
    (ecto 3.10.1) lib/ecto/repo/schema.ex:960: Ecto.Repo.Schema.dump_changes!/7
    (ecto 3.10.1) lib/ecto/repo/schema.ex:367: anonymous fn/15 in Ecto.Repo.Schema.do_insert/4
    /app/lib/featureflagservice-1.4.0/priv/repo/migrations/20220524172636_create_featureflags.exs:19: Featureflagservice.Repo.Migrations.CreateFeatureflags.execute_up/0
    (ecto_sql 3.10.1) lib/ecto/migration/runner.ex:320: Ecto.Migration.Runner.log_and_execute_ddl/3
Database setup or migrations failed.

puckpuck · 2023-12-05T14:56:35Z

@julianocosta89 this may be because I originally did the migration incorrectly and @joshleecreates cleaned it up.

Could you remove the featureflag service and db, build from main then try again from this branch.

joshleecreates · 2023-12-07T15:33:02Z

@julianocosta89 I will test again this evening

src/featureflagservice/lib/featureflagservice/feature_flags/feature_flag.ex

mviitane

I have the same problem as @julianocosta89 even after first cleaning up my docker env with
docker system prune -a

I think the problem is that the file src/featureflagservice/priv/repo/migrations/20220524172636_create_featureflags.ex still contains booleans. I got this working with the following changes in that file:

  def change do
    create table(:featureflags) do
      add :name, :string
      add :description, :string
      add :enabled, :float, default: 0.0, null: 0.0

      timestamps()
    end

    create unique_index(:featureflags, [:name])

    execute(&execute_up/0, &execute_down/0)
  end

  defp execute_up do
    repo().insert(%Featureflagservice.FeatureFlags.FeatureFlag{
      name: "productCatalogFailure",
      description: "Fail product catalog service on a specific product",
      enabled: 0.0
    })

    repo().insert(%Featureflagservice.FeatureFlags.FeatureFlag{
      name: "recommendationCache",
      description: "Cache recommendations",
      enabled: 0.0
    })

    repo().insert(%Featureflagservice.FeatureFlags.FeatureFlag{
      name: "adServiceFailure",
      description: "Fail ad service requests sporadically",
      enabled: 0.0
    })

    repo().insert(%Featureflagservice.FeatureFlags.FeatureFlag{
      name: "cartServiceFailure",
      description: "Fail cart service requests sporadically",
      enabled: 0.0
    })
  end

joshleecreates · 2023-12-09T15:24:34Z

@mviitane I submitted a fix here: https://github.com/puckpuck/opentelemetry-demo/pull/2

return to single migration with decimal type

puckpuck · 2023-12-13T02:55:02Z

Please try this version that no longer tries to migrate a database but instead does a clean setup of the database. This may require you to do a make stop or docker compose down before trying this branch.

mviitane · 2023-12-13T09:03:15Z

We should get #1296 merged and included in this branch. Currently, this PR branch doesn't compile after docker system prune -a.

austinlparker · 2023-12-13T15:07:06Z

Seems to still be some errors in the ff service --


2023-12-13 10:06:26 15:06:26.633 [info] crash: class=:error exception=:badarith stacktrace=[
2023-12-13 10:06:26   {:erlang, :*, [Decimal.new("0.0"), 100], []},
2023-12-13 10:06:26   {:ffs_service, :get_flag, 2, [file: 'src/ffs_service.erl', line: 42]},
2023-12-13 10:06:26   {:otel_tracer_default, :with_span, 5,
2023-12-13 10:06:26    [file: '/app/deps/opentelemetry/src/otel_tracer_default.erl', line: 47]},
2023-12-13 10:06:26   {:grpcbox_stream, :handle_unary, 3,
2023-12-13 10:06:26    [file: '/app/deps/grpcbox/src/grpcbox_stream.erl', line: 283]},
2023-12-13 10:06:26   {:lists, :foldl, 3, [file: 'lists.erl', line: 1267]},
2023-12-13 10:06:26   {:grpcbox_stream, :on_receive_data, 2,
2023-12-13 10:06:26    [file: '/app/deps/grpcbox/src/grpcbox_stream.erl', line: 227]},
2023-12-13 10:06:26   {:h2_stream, :open, 3,
2023-12-13 10:06:26    [file: '/app/deps/chatterbox/src/h2_stream.erl', line: 420]},
2023-12-13 10:06:26   {:gen_statem, :loop_state_callback, 11, [file: 'gen_statem.erl', line: 1166]}
2023-12-13 10:06:26 ]

austinlparker · 2023-12-13T15:12:49Z

Looks like the problem is coming from the recommendation server

joshleecreates · 2023-12-13T17:12:32Z

That looks like it's coming from the Erlang API, I can take a look tonight.

Signed-off-by: Pierre Tessier <pierre@pierretessier.com>

puckpuck · 2023-12-13T20:24:52Z

I just moved everything from decimal which is a particular struct type to a float which is a scalar type in erlang. Math works properly, and since we only care about 1/100th precision, anyhow this is fine.

fixed

austinlparker

tested and working locally

Also, propagate the change from bool to float introduced in open-telemetry#1237 more consistently via proto definitions by differentiating between the GetFlag operation (which evaluates the probabilty and therefore returns a bool) and all other operations, which need to operate with a float value/probability directly.

Also: * propagate the change from bool to float introduced in open-telemetry#1237 more consistently via proto definitions by differentiating between the GetFlag operation (which evaluates the probabilty and therefore returns a bool) and all other operations, which need to operate with a float value/probability directly. To that end, the Flag grpc message has been split into two new types, FlagEvaluationResult and FlagDefinition. * Rename the UpdateFlag operation to UpdateFlagProbability, as it actually only updates the enabled/probability value, but not the description or the name.

…y#1237) * use float to check for flag probability Signed-off-by: Pierre Tessier <pierre@pierretessier.com> * use float to check for flag probability Signed-off-by: Pierre Tessier <pierre@pierretessier.com> * Update CHANGELOG.md * Add help text for float feature flags; Make upgrades possible for postgres * add description for feature flag value Signed-off-by: Pierre Tessier <pierre@pierretessier.com> * clean up help text Signed-off-by: Pierre Tessier <pierre@pierretessier.com> * return to single migration with decimal type * use float instead of decimal Signed-off-by: Pierre Tessier <pierre@pierretessier.com> --------- Signed-off-by: Pierre Tessier <pierre@pierretessier.com> Co-authored-by: Austin Parker <austin@ap2.io> Co-authored-by: Josh Lee <josh@joshuamlee.com> Co-authored-by: Juliano Costa <julianocosta89@outlook.com>

use float to check for flag probability

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Signed-off-by: Pierre Tessier <pierre@pierretessier.com>

puckpuck requested a review from a team November 6, 2023 17:53

use float to check for flag probability

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Signed-off-by: Pierre Tessier <pierre@pierretessier.com>

austinlparker approved these changes Nov 6, 2023

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austinlparker added 2 commits November 6, 2023 16:40

Merge branch 'main' into ffs.add-probability-based-flags

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Update CHANGELOG.md

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cedricziel approved these changes Nov 10, 2023

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Add help text for float feature flags; Make upgrades possible for pos…

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puckpuck added 2 commits November 20, 2023 23:52

Merge branch 'main' into ffs.add-probability-based-flags

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# Conflicts: # CHANGELOG.md

add description for feature flag value

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Signed-off-by: Pierre Tessier <pierre@pierretessier.com>

puckpuck added documentation Improvements or additions to documentation and removed Stale labels Nov 21, 2023

Merge branch 'main' into ffs.add-probability-based-flags

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puckpuck added 4 commits December 2, 2023 23:32

Merge branch 'ffs.add-probability-based-flags' into ffs.add_probabili…

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…ty_based_flags

Merge pull request #1 from joshleecreates/ffs.add_probability_based_f…

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…lags Add help text for float feature flags; Fix postgres upgrades

Merge branch 'main' into ffs.add-probability-based-flags

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clean up help text

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Signed-off-by: Pierre Tessier <pierre@pierretessier.com>

Merge branch 'main' into ffs.add-probability-based-flags

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src/featureflagservice/lib/featureflagservice/feature_flags/feature_flag.ex Show resolved Hide resolved

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featureflagservice Docker build fails on ARM64 #956

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return to single migration with decimal type

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puckpuck added 2 commits December 12, 2023 17:36

Merge pull request #2 from joshleecreates/ffs-float-fix

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return to single migration with decimal type

Merge branch 'main' into ffs.add-probability-based-flags

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Merge branch 'main' into ffs.add-probability-based-flags

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use float instead of decimal

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Signed-off-by: Pierre Tessier <pierre@pierretessier.com>

Merge branch 'main' into ffs.add-probability-based-flags

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austinlparker approved these changes Dec 14, 2023

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austinlparker merged commit 430b4c9 into open-telemetry:main Dec 14, 2023

puckpuck deleted the ffs.add-probability-based-flags branch December 14, 2023 13:38

This was referenced Jan 29, 2024

[featureflag] expose feature flag API via frontend #1349

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[featureflag] expose feature flag API via frontend dash0hq/opentelemetry-demo#1

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