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Roll variant headlines out to 25% of users - #16673

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Fweddi wants to merge 3 commits into
fp/expand-name-of-platform-ab-testfrom
fp/headline-test-rollout-stage-one
Open

Roll variant headlines out to 25% of users#16673
Fweddi wants to merge 3 commits into
fp/expand-name-of-platform-ab-testfrom
fp/headline-test-rollout-stage-one

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@Fweddi

@Fweddi Fweddi commented Sep 3, 2026

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Begin rolling out variant headlines rendered through the platform test fronts-and-curation-editorial-test: #16554.

The end goal is a 100% 50/50 test, we are reaching this threshold in stages to avoid overloading the cache.

@Fweddi
Fweddi requested a review from a team as a code owner September 3, 2026 12:56
@Fweddi Fweddi added the feature Departmental tracking: work on a new feature label Sep 3, 2026
@github-actions

github-actions Bot commented Sep 3, 2026

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Hello 👋! When you're ready to run Chromatic, please apply the run_chromatic label to this PR.

You will need to reapply the label each time you want to run Chromatic.

Click here to see the Chromatic project.

@Fweddi Fweddi linked an issue Sep 3, 2026 that may be closed by this pull request
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github-actions Bot commented Sep 3, 2026

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@Fweddi

Fweddi commented Sep 4, 2026

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We should report to Ophan that the test is renamed to fronts-and-curation-editorial-test when this is merged.

@Fweddi

Fweddi commented Sep 4, 2026

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We should report to Ophan that the test is renamed to fronts-and-curation-editorial-test when this is merged.

Possibly we could do this in a separate PR so we don't release the test at the same time as renaming it.

The end goal is a 50/50 test, we are reaching this threshold in stages to avoid overloading the cache
@Fweddi
Fweddi changed the base branch from main to fp/expand-name-of-platform-ab-test September 4, 2026 09:11
@Fweddi
Fweddi force-pushed the fp/headline-test-rollout-stage-one branch from 727ac9d to 658935b Compare September 4, 2026 09:11
@Fweddi

Fweddi commented Sep 4, 2026

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We should report to Ophan that the test is renamed to fronts-and-curation-editorial-test when this is merged.

Possibly we could do this in a separate PR so we don't release the test at the same time as renaming it.

I've now done that in #16684.

@github-actions

github-actions Bot commented Sep 4, 2026

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🚀 Image pushed to AWS ECR

Image digest: sha256:ec479d93c988222fa69e464c0ee285f7cb1688ead4890fd308bb909d46de0424

🐛 Run the image locally

The following can be used to run the image locally:

# Refer to image using the immutable digest. Find alternatives below.
IMAGE_IDENTIFIER="@sha256:ec479d93c988222fa69e464c0ee285f7cb1688ead4890fd308bb909d46de0424"

# Refer to image using branch tag
# IMAGE_IDENTIFIER=":branch-fp-headline-test-rollout-stage-one"

# Refer to image using build tag
# IMAGE_IDENTIFIER=":build-30815"

# Refer to image via the GitHub commit SHA tag
# IMAGE_IDENTIFIER=":sha-658935b6bbf7c78c4a13c17fb4c0866c8042a720"

# Set environment variables for the AWS CLI
AWS_PROFILE="<A_PROFILE_FROM_JANUS>"
AWS_DEFAULT_REGION="eu-west-1"

IMAGE_ACCOUNT_ID=$(aws ssm get-parameter --name /organisation/accounts/deployTools --query "Parameter.Value" --output text)
REGISTRY="${IMAGE_ACCOUNT_ID}.dkr.ecr.${AWS_DEFAULT_REGION}.amazonaws.com"
IMAGE="${REGISTRY}/guardian/dotcom-rendering${IMAGE_IDENTIFIER}"

# Login to AWS ECR https://docs.aws.amazon.com/AmazonECR/latest/userguide/registry_auth.html
aws ecr get-login-password | docker login --username AWS --password-stdin $REGISTRY

# Pull the image
docker pull $IMAGE

# Run the image. You'll likely need to set additional flags. See https://docs.docker.com/reference/cli/docker/container/run.
docker run $IMAGE

From guardian/actions-publish-image.

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Set Platform AB Test to 50/50

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