8000 c8d: allow pulling images for multiple architectures · Issue #49994 · moby/moby · GitHub
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c8d: allow pulling images for multiple architectures #49994

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thaJeztah opened this issue May 15, 2025 · 1 comment
Open

c8d: allow pulling images for multiple architectures #49994

thaJeztah opened this issue May 15, 2025 · 1 comment
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area/distribution area/images containerd-integration Issues and PRs related to containerd integration kind/feature Functionality or other elements that the project doesn't currently have. Features are new and shiny

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@thaJeztah
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Description

Currently, we only allow a single platform to be pulled. With the containerd image-store, it would be nice to be able to pull multiple images at once;

Currently (limitation on the CLI) specifying multiple --platform flags will override prior ones;

docker pull --platform=linux/amd64 --platform=linux/arm64 alpine

docker image ls --tree
IMAGE                   ID             DISK USAGE   CONTENT SIZE   EXTRA
alpine:latest           a8560b36e8b8       12.8MB         3.99MB
├─ linux/amd64          1c4eef651f65           0B             0B
├─ linux/arm/v6         903bfe2ae994           0B             0B
├─ linux/arm/v7         9c2d245b3c01           0B             0B
├─ linux/arm64/v8       757d680068d7       12.8MB         3.99MB
├─ linux/386            2436f2b3b7d2           0B             0B
├─ linux/ppc64le        9ed53fd3b831           0B             0B
├─ linux/riscv64        1de5eb4a9a67           0B             0B
└─ linux/s390x          fe0dcdd1f783           0B             0B

Ideally, the above would produce;

docker image ls --tree
IMAGE                   ID             DISK USAGE   CONTENT SIZE   EXTRA
alpine:latest           a8560b36e8b8         25MB         7.64MB
├─ linux/amd64          1c4eef651f65       12.1MB         3.64MB
├─ linux/arm/v6         903bfe2ae994           0B             0B
├─ linux/arm/v7         9c2d245b3c01           0B             0B
├─ linux/arm64/v8       757d680068d7       12.8MB         3.99MB
├─ linux/386            2436f2b3b7d2           0B             0B
├─ linux/ppc64le        9ed53fd3b831           0B             0B
├─ linux/riscv64        1de5eb4a9a67           0B             0B
└─ linux/s390x          fe0dcdd1f783           0B             0B

We can start with updating the API to accept multiple platforms (but produce an error), and the CLI to accept multiple; we did something similar for other actions.
@thaJeztah thaJeztah added area/distribution kind/feature Functionality or other elements that the project doesn't currently have. Features are new and shiny area/images containerd-integration Issues and PRs related to containerd integration labels May 15, 2025
@thaJeztah thaJeztah mentioned this issue May 15, 2025
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