vinzenz/hyperhive
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agents: persistent /agents/<n>/work dir outside state/

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Agents keep git worktrees and cargo target dirs under /home/<agent>,
which lives in the container rootfs and is deleted on destroy. They
can't move them under state/, because a claude started there walks up
into state/CLAUDE.md and takes on the agent's identity.

Add a per-agent work/ dir next to state/ on the host
(/var/lib/hyperhive/agents/<n>/work), bind-mounted RW at
/agents/<n>/work. hive-c0re creates it in ensure_state_dir and in
set_nspawn_flags (the rebuild path reaches only the latter), the
agent's activation chowns it to the agent user like state/ and
harness/, and measure_agent_disk counts it. destroy never touches the
agent root, so work/ survives it; purge removes the whole root, so
work/ goes with it.

Closes #4977
This commit is contained in:
atlas 2026-10-05 12:56:02 +02:00
commit 89a5d65119
8 changed files with 123 additions and 36 deletions
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6
nix/module-eval/agent-user.nix
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@ -26,6 +26,12 @@ let
(agentWith { services.hyperhive.agent.user.name = "iris"; })
.system.activationScripts.hive-agent-user-migrate.text;
cases = [
{
# hive-c0re creates the host work dir as hive-core; this activation is
# the only thing that lets the agent write to it.
name = "the agent's activation hands its own work dir to the agent user";
ok = lib.hasInfix ''chown -hR "$userName:$userName" "/agents/$userName/work"'' migrate;
}
{
# hive-priv creates the host socket dir `0751 root` and never chowns it,
# so this activation is the only thing that lets the harness bind there.