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Some changes to calls to Docker API for podman compatibility#463

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kegsay merged 10 commits into
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mv/fix_podman
Sep 27, 2022
Merged

Some changes to calls to Docker API for podman compatibility#463
kegsay merged 10 commits into
mainfrom
mv/fix_podman

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@MatMaul MatMaul commented Sep 15, 2022 •
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  • Podman expects the network name specified when launching the container to match the name used when creating it even when the network ID is specified, the API spec is unclear about that
  • Adding labels when committing a container needs to use changes query parameter instead of a POST json, which is unspecified
  • Add a config to specify the hostname where Complement on the host can be reached when inside a container. Podman uses host.containers.internal

@MatMaul MatMaul requested review from a team as code owners September 15, 2022 09:57
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MatMaul commented Sep 15, 2022 •
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With that and this change synapse side I can run complement with podman rootless using:

  • systemctl --user start podman.service to start the rootless API daemon (can also be enabled)
  • DOCKER_HOST=unix://$XDG_RUNTIME_DIR/podman/podman.sock BUILDAH_FORMAT=docker COMPLEMENT_HOSTNAME_RUNNING_COMPLEMENT=host.containers.internal ./scripts-dev/complement.sh
    Docker image format is needed because OCI format doesn't support the HEALTHCHECK directive unfortunately.

@MatMaul MatMaul force-pushed the mv/fix_podman branch 2 times, most recently from 9ea2e32 to c5a43c0 Compare September 15, 2022 16:09
reivilibre
reivilibre approved these changes Sep 16, 2022
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Looks reasonable to me

Comment thread internal/docker/builder.go Outdated
@kegsay kegsay self-assigned this Sep 17, 2022
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MatMaul commented Sep 19, 2022

It seems like the hack here was only needed because of the fact that the network name was not the one used when launching the container.

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kegsay requested changes Sep 20, 2022
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In theory LGTM, but I have outstanding questions on why seemingly unrelated things were modified. The most dangerous is the blunt removal of network disconnection code, which the comments explained why it existed, and yet this PR just removes without any reason.

EDIT: I see the reasoning now in your above comment.

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Why aren't we using the contextStr anymore?

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@MatMaul MatMaul Sep 20, 2022

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This needs to be the name of the network, which is not the case here.

We could also use the contextStr as the name of the network in createNetworkIfNotExists, or makes createNetworkIfNotExists returns both the ID and the network name and store both in Deployer.

The latter looks like the cleaner way to do it so leaning towards that.

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Actually it seems like we can just use the name, ID is optional, at least with Podman.
I've push a change to return and use the network name instead of the ID, let's see if Docker is happy.

Comment thread internal/docker/labels.go Outdated
@MatMaul MatMaul requested a review from kegsay September 20, 2022 13:51
@MatMaul MatMaul mentioned this pull request Sep 21, 2022
Merged
@MatMaul MatMaul changed the base branch from main to mv/raise-synapse-timeout September 21, 2022 12:11
@MatMaul MatMaul changed the base branch from mv/raise-synapse-timeout to main September 21, 2022 12:11
Mathieu Velten added 9 commits September 23, 2022 00:31
@MatMaul
Some changes to calls to Docker API for podman compatibility
ed54884 
- Podman expects the network name specified when launching the container
to match the name used when creating it, the spec is unclear about that
- Adding labels when commiting a container needs to use "changes" query
parameter instead of a POST json, which is unspecified
- Add a config to specify the hostname where Complement on the host can
be reached when inside a container. Podman uses "host.containers.internal"
@MatMaul
Use quotes for labels in changes
8a07063
@MatMaul
Remove debug + makes AS labels on one line
9542f6c
@MatMaul
Remove hack, not needed anymore
107c3bc
@MatMaul
a bit too far...
23bce51
@MatMaul
Add doc
0162397
@MatMaul
Convert from labels to changes
a60d5cc
@MatMaul
Replace networkID by networkName
eb2bc15
@MatMaul
Add/fix some comments
9e88e44
kegsay
kegsay approved these changes Sep 26, 2022
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Otherwise LGTM

Comment thread internal/config/config.go
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Comment thread internal/docker/builder.go
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MatMaul commented Sep 26, 2022

@kegsay thanks for the review, I'll let you do a final round and merge. My Fedora is happy :) .

@MatMaul MatMaul requested a review from kegsay September 26, 2022 13:20
@kegsay kegsay merged commit 8e341d5 into main Sep 27, 2022
@kegsay kegsay deleted the mv/fix_podman branch September 27, 2022 13:55
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