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Only require a pause image for gVisor sandboxes - #2144

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Julian Gutierrez Oschmann (juli4n) merged 1 commit into
agent-substrate:mainfrom
BenTheElder:microvm-no-pause-image
Oct 5, 2026
Merged

Julian Gutierrez Oschmann (juli4n) merged 1 commit into
agent-substrate:mainfrom
BenTheElder:microvm-no-pause-image

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@BenTheElder

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ateom-microvm runs no pause container, but SandboxConfig required a pauseImage for every class, so atelet pulled the image and built a pause bundle for each micro-VM actor that nothing used.

pauseImage is now required for gvisor and rejected for microvm. atelet only checks for it on gVisor and skips the pause bundle when there is no pause image.

google/gvisor#13981 will enable this for gvisor O(soon) and then we can clean this up entirely.

This is a less contentious offshoot of the sandboxConfig discussion.

ateom-microvm runs no pause container, but SandboxConfig required a
pauseImage for every class, so atelet pulled the image and built a pause
bundle for each micro-VM actor that nothing used.

pauseImage is now required for gvisor and rejected for microvm. atelet
only checks for it on gVisor and skips the pause bundle when there is no
pause image.
@BenTheElder Benjamin Elder (BenTheElder) added kind/cleanup Small fixes that are not bugs, for example a typo in a code comment area/microVM area/node kind/bug Something isn't working / bugfixes and removed kind/cleanup Small fixes that are not bugs, for example a typo in a code comment labels Oct 2, 2026
@BenTheElder
Benjamin Elder (BenTheElder) marked this pull request as ready for review October 2, 2026 22:21
Merged via the queue into agent-substrate:main with commit 01e299f Oct 5, 2026
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2 participants