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Nomad should choose the default pause container based on system architecture #8926

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shannonmcin opened this issue Sep 18, 2020 · 2 comments · Fixed by #8957
Closed

Nomad should choose the default pause container based on system architecture #8926

shannonmcin opened this issue Sep 18, 2020 · 2 comments · Fixed by #8957
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@shoenig
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stage/accepted Confirmed, and intend to work on. No timeline committment though. theme/consul/connect Consul Connect integration type/enhancement
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1.0

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@shannonmcin
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Nomad version

Nomad v0.12.4 (8efaee4)

Operating system and Environment details

Ubuntu 20.04 on ARM64
Consul v1.8.4

Issue

Nomad should choose the default "pause" container based on system architecture, instead of always defaulting to the AMD64 image.

When deploying a job with a Consul Connect-enabled service on Nomad on an ARM64 system without specifying the infra_image, Nomad pulls the AMD64 pause container. This causes the pause container to exit with the error exec user process caused "exec format error", which causes the envoy container to exit with the error Failed to start container ***(envoy container id)***: API error (409): cannot join network of a non running container: ***(pause container id)***, which prevents Consul Connect from working (and any sibling tasks from running).

Reproduction steps

Run any job with a Consul-Connect enabled service on Nomad installed on an ARM64 machine, with the infra_image not specified in the Nomad agent config. For example, the example countdash job.
@shoenig shoenig added stage/accepted Confirmed, and intend to work on. No timeline committment though. theme/consul/connect Consul Connect integration type/enhancement labels Sep 18, 2020
@shoenig
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shoenig commented Sep 18, 2020

Thanks for reporting @shannonmcin, this is something we'll want to get working properly.

@shoenig shoenig added this to the 0.13 milestone Sep 18, 2020
@shoenig shoenig self-assigned this Sep 18, 2020
@shoenig shoenig mentioned this issue Sep 23, 2020
Merged
shoenig added a commit that referenced this issue Sep 23, 2020
@shoenig
drivers/docker: detect arch for default infra_image
188a604 
The 'docker.config.infra_image' would default to an amd64 container.
It is possible to reference the correct image for a platform using
the `runtime.GOARCH` variable, eliminating the need to explicitly set
the `infra_image` on non-amd64 platforms.

Also upgrade to Google's pause container version 3.1 from 3.0, which
includes some enhancements around process management.

Fixes #8926
roaks3 pushed a commit that referenced this issue Oct 7, 2020
@shoenig @roaks3
drivers/docker: detect arch for default infra_image
7a2cc4b 
The 'docker.config.infra_image' would default to an amd64 container.
It is possible to reference the correct image for a platform using
the `runtime.GOARCH` variable, eliminating the need to explicitly set
the `infra_image` on non-amd64 platforms.

Also upgrade to Google's pause container version 3.1 from 3.0, which
includes some enhancements around process management.

Fixes #8926
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@shoenig shoenig

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stage/accepted Confirmed, and intend to work on. No timeline committment though. theme/consul/connect Consul Connect integration type/enhancement
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drivers/docker: detect arch for default docker plugin infra_image hashicorp/nomad
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@shoenig @shannonmcin