vinzenz/hyperhive
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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16
hive-c0re/src/lifecycle/setup.rs
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@ -210,18 +210,20 @@ pub fn ensure_claude_dir(claude_dir: &Path) -> Result<()> {
/// Create the per-agent state dir if missing. Also creates the sibling
/// `harness/` dir so the first harness startup can write its sqlite files
/// immediately.
/// immediately, and the sibling `work/` dir.
pub fn ensure_state_dir(notes_dir: &Path) -> Result<()> {
if !notes_dir.exists() {
std::fs::create_dir_all(notes_dir)
.with_context(|| format!("create {}", notes_dir.display()))?;
}
// Harness dir is a sibling of the agent-visible state dir.
// Harness and work dirs are siblings of the agent-visible state dir.
if let Some(parent) = notes_dir.parent() {
let harness_dir = parent.join("harness");
if !harness_dir.exists() {
std::fs::create_dir_all(&harness_dir)
.with_context(|| format!("create {}", harness_dir.display()))?;
for sibling in ["harness", "work"] {
let dir = parent.join(sibling);
if !dir.exists() {
std::fs::create_dir_all(&dir)
.with_context(|| format!("create {}", dir.display()))?;
}
}
}
Ok(())
@ -230,7 +232,7 @@ pub fn ensure_state_dir(notes_dir: &Path) -> Result<()> {
/// Ensure agent `name`'s persistent state root
/// (`/var/lib/hyperhive/agents/<name>`) is a btrfs subvolume — when the host
/// filesystem supports it — BEFORE the per-agent subdirs (`state/`, `claude/`,
/// `harness/`) are created by `ensure_state_dir` / `ensure_claude_dir`.
/// `harness/`, `work/`) are created by `ensure_state_dir` / `ensure_claude_dir`.
///
/// Progressive enhancement: if the root already exists
/// (any agent provisioned before this landed, plain dir or subvol) it's left