hyperhive/hive-c0re/src/container_view.rs

510 lines
20 KiB
Rust

//! `ContainerView` + the snapshot builder that turns
//! `nixos-container list` (plus per-agent state on disk) into the row
//! shape the dashboard renders. Extracted from `dashboard.rs` so the
//! coordinator's rescan-and-emit helper can build the same view and
//! diff against the last snapshot to fire
//! `ContainerStateChanged` / `ContainerRemoved` events.
use std::collections::HashMap;
use std::path::Path;
use rusqlite::Connection;
use serde::{Deserialize, Serialize};
use crate::coordinator::Coordinator;
use crate::lifecycle::{self, AGENT_PREFIX};
/// An agent-declared extra navigation link surfaced on the dashboard card.
/// Written by the `hive-dashboard-links` NixOS oneshot into
/// `{state_dir}/hyperhive-dashboard-links.json` and read by `build_all`.
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug, Default)]
pub struct DashboardLink {
pub label: String,
#[serde(default)]
pub icon: String,
pub url: String,
}
#[derive(Serialize, Clone, PartialEq, Eq, Debug)]
#[allow(clippy::struct_excessive_bools)]
pub struct ContainerView {
/// Logical agent name (no `h-` prefix). Used in action URLs.
pub name: String,
/// Container name as nixos-container sees it (`h-foo`). Internal only;
/// not serialized to API responses since the dashboard no longer displays it.
#[serde(skip)]
pub container: String,
pub port: u16,
pub running: bool,
pub needs_update: bool,
pub needs_login: bool,
/// First 12 chars of the sha the meta flake currently has locked
/// for this agent's input.
#[serde(skip_serializing_if = "Option::is_none")]
pub deployed_sha: Option<String>,
/// Count of this agent's pending reminders. Computed during
/// `build_all` via `Broker::count_pending_reminders_for`; the
/// dashboard renders a small chip when > 0. Updates with the
/// 10s `crash_watch` rescan + every container mutation site;
/// not real-time on remind/cancel-reminder but close enough.
#[serde(default)]
pub pending_reminders: u64,
/// Context-window size (prompt tokens) from the agent's most recent
/// completed turn, read directly from the turn-stats `SQLite`.
/// `None` when the file is absent or the agent has no turns yet.
/// Stale by up to one crash-watch cycle (~10s); good enough for
/// the "which agent is close to the window?" dashboard glance.
#[serde(default, skip_serializing_if = "Option::is_none")]
pub ctx_tokens: Option<u64>,
/// Context-window size (tokens) for the model this agent ran on its
/// most recent turn — the model name from the last turn-stats row
/// resolved against the host's per-model `contextWindowTokens`
/// config. Lets the dashboard derive the ctx badge thresholds
/// (75% / 50% of the window, matching the harness compaction
/// watermarks) instead of hardcoding them. `None` when the agent
/// has no turns yet or no config key matches the model.
#[serde(default, skip_serializing_if = "Option::is_none")]
pub context_window_tokens: Option<u64>,
/// True while the harness is parked after an API rate-limit response.
/// Detected via the sentinel file `{state_dir}/hyperhive-rate-limited`
/// that the harness writes in `Bus::emit_status("rate_limited")` and
/// removes when it resumes. Stale by up to one crash-watch cycle.
#[serde(default)]
pub rate_limited: bool,
/// Extra navigation links declared by the agent via
/// `hyperhive.dashboardLinks` in `agent.nix`. Written to
/// `{state_dir}/hyperhive-dashboard-links.json` by the
/// `hive-dashboard-links` oneshot at container boot. Empty when
/// the file is absent or the agent declares no links.
#[serde(default, skip_serializing_if = "Vec::is_empty")]
pub extra_links: Vec<DashboardLink>,
/// Free-text status set by the agent via `mcp__hyperhive__set_status`.
/// Persisted to `{state_dir}/hyperhive-status`. `None` when the file
/// is absent or empty — the agent hasn't set one yet.
#[serde(default, skip_serializing_if = "Option::is_none")]
pub status_text: Option<String>,
/// Unix timestamp (seconds since epoch) when the status was last written.
/// Derived from the `hyperhive-status` file's mtime. `None` when no
/// status is set.
#[serde(default, skip_serializing_if = "Option::is_none")]
pub status_set_at: Option<i64>,
/// Name of this agent's parent in the agent hierarchy. `None`
/// marks the agent as root-level; the dashboard renders it without
/// indentation. Sourced from `meta/topology.json` (single source of
/// truth, hive-c0re-owned) — NOT from per-agent agent.nix, because
/// an agent shouldn't be able to unilaterally declare its own place
/// in the tree. See `docs/agent-hierarchy.md::Current state`.
#[serde(default, skip_serializing_if = "Option::is_none")]
pub parent: Option<String>,
}
/// Build the full container list. Wraps `lifecycle::list()` and
/// resolves every per-agent attribute the dashboard surfaces.
pub async fn build_all(coord: &Coordinator) -> Vec<ContainerView> {
let raw = lifecycle::list().await.unwrap_or_default();
let locked = read_meta_locked_revs();
// Pull the topology map once and look up each agent's parent below.
// Empty / absent topology.json → every agent root-level (safe
// degradation for fresh installs that haven't run sync_agents yet).
let topology = crate::topology::read();
let mut out = Vec::new();
for c in &raw {
let Some(logical) = c.strip_prefix(AGENT_PREFIX).map(str::to_owned) else {
continue;
};
let deployed_full = locked
.get(&format!("agent-{logical}"))
.map(std::string::String::as_str);
let needs_update = crate::auto_update::agent_config_pending(&logical, deployed_full);
let deployed_sha = deployed_full.map(|s| s[..s.len().min(12)].to_owned());
let pending_reminders = coord
.broker
.count_pending_reminders_for(logical.as_str())
.unwrap_or(0);
let extra_links = read_dashboard_links(&logical);
let parent = topology.get(&logical).cloned().flatten();
let running = lifecycle::is_running(&logical).await;
// Live-only fields — only meaningful while the harness is up.
// When the container is stopped, sentinel files + turn-stats
// rows + the on-disk status blob are all stale snapshots from
// before the stop, so we clear them here rather than letting
// the dashboard / `get_agent_meta` surface misleading values.
// Static / declared fields (extra_links, deployed_sha,
// pending_reminders, needs_update, parent) stay populated
// regardless of run state.
let (
needs_login,
ctx_tokens,
context_window_tokens,
rate_limited,
status_text,
status_set_at,
) = if running {
// needs_login fires when EITHER the claude session dir is
// missing (boot-time / fresh container) OR the harness wrote
// the auth-failed sentinel because a turn hit 401.
let needs_login = !claude_has_session(&Coordinator::agent_claude_dir(&logical))
|| auth_failed_sentinel(&logical);
let last_turn = read_last_turn(&logical);
let ctx_tokens = last_turn.as_ref().map(|(toks, _)| *toks);
let context_window_tokens = last_turn
.as_ref()
.and_then(|(_, model)| resolve_ctx_window(model, &coord.context_window_tokens));
let rate_limited = is_rate_limited(&logical);
let (status_text, status_set_at) = read_status(&logical);
(
needs_login,
ctx_tokens,
context_window_tokens,
rate_limited,
status_text,
status_set_at,
)
} else {
(false, None, None, false, None, None)
};
out.push(ContainerView {
port: lifecycle::agent_web_port(&logical),
running,
container: c.clone(),
name: logical,
needs_update,
needs_login,
deployed_sha,
pending_reminders,
ctx_tokens,
context_window_tokens,
rate_limited,
extra_links,
status_text,
status_set_at,
parent,
});
}
out
}
/// Host-side mirror of `hive_ag3nt::login::has_session`. Returns true
/// if the agent's bound `~/.claude/` dir on disk contains any regular
/// file. Reads each `build_all()` so a login driven from the agent's
/// own web UI reflects on the next snapshot.
pub fn claude_has_session(dir: &Path) -> bool {
let Ok(entries) = std::fs::read_dir(dir) else {
return false;
};
entries
.flatten()
.any(|e| e.file_type().is_ok_and(|t| t.is_file()))
}
/// Build the navigation link list for an agent's dashboard card.
///
/// Mirrors the logic in `hive_ag3nt::web_ui::agent_links` but runs on
/// the host via disk reads — no network call to the agent web UI needed.
/// The GUI screen link is omitted here; `/etc/hyperhive/gui.json` lives
/// inside the agent container and is not host-visible.
///
/// Returns a `serde_json::Value` array matching the `AgentLink` JSON
/// shape the harness returns from `GET /api/state`, so
/// `dashboard::get_agent_links` can serve it directly.
pub fn build_nav_links(name: &str) -> serde_json::Value {
let state_dir = Coordinator::agent_notes_dir(name);
let mut links: Vec<serde_json::Value> = Vec::new();
// Stats page — always present.
links.push(serde_json::json!({
"url": "stats.html",
"icon": "📊",
"label": "stats",
"kind": "container",
}));
// Forge profile + config mirror — only when the agent has a forge account.
if state_dir.join("forge-token").is_file() {
links.push(serde_json::json!({
"url": format!("/{name}"),
"icon": "",
"label": "forge",
"kind": "forge",
}));
links.push(serde_json::json!({
"url": format!("/agent-configs/{name}"),
"icon": "",
"label": "config",
"kind": "forge",
}));
}
// Agent-declared extras (absolute URLs — passed through verbatim).
for lnk in read_dashboard_links(name) {
links.push(serde_json::json!({
"url": lnk.url,
"icon": lnk.icon,
"label": lnk.label,
"kind": "external",
}));
}
serde_json::Value::Array(links)
}
/// Read agent-declared extra dashboard links from
/// `{state_dir}/hyperhive-dashboard-links.json`. Returns an empty vec when
/// the file is absent, empty, or unparseable — best-effort, never panics.
fn read_dashboard_links(name: &str) -> Vec<DashboardLink> {
let path = Coordinator::agent_notes_dir(name).join("hyperhive-dashboard-links.json");
let text = match std::fs::read_to_string(&path) {
Ok(t) if !t.trim().is_empty() => t,
_ => return Vec::new(),
};
serde_json::from_str::<Vec<DashboardLink>>(&text).unwrap_or_default()
}
/// Read `rate_limited` + `needs_login` from the consolidated
/// `hyperhive-harness.json`. Falls back to the legacy individual
/// sentinel files written by older harness builds so in-place upgrades
/// don't lose state during the transition window.
fn read_harness_flags(name: &str) -> (bool, bool) {
let dir = Coordinator::agent_notes_dir(name);
if let Ok(raw) = std::fs::read_to_string(dir.join("hyperhive-harness.json")) {
if let Ok(v) = serde_json::from_str::<serde_json::Value>(&raw) {
let rl = v
.get("rate_limited")
.and_then(|x| x.as_bool())
.unwrap_or(false);
let nl = v
.get("needs_login")
.and_then(|x| x.as_bool())
.unwrap_or(false);
return (rl, nl);
}
}
// Legacy fallback: presence of individual sentinel files.
let rate_limited = dir.join("hyperhive-rate-limited").exists();
let needs_login = dir.join("hyperhive-needs-login").exists();
(rate_limited, needs_login)
}
fn is_rate_limited(name: &str) -> bool {
read_harness_flags(name).0
}
fn auth_failed_sentinel(name: &str) -> bool {
read_harness_flags(name).1
}
/// Read the agent's free-text status and the Unix timestamp when it was last set
/// (derived from the file's mtime). Returns `(None, None)` when the file is absent
/// or empty. `pub` so `agent_server` and `manager_server` can populate `AgentMeta`.
///
/// NB: callers building `AgentMeta` for a *stopped* container should
/// clear the result — the on-disk status is a stale snapshot from
/// before the stop. Use `read_agent_status_live` for that.
pub fn read_agent_status(name: &str) -> (Option<String>, Option<i64>) {
let path = Coordinator::agent_notes_dir(name).join("hyperhive-status");
let meta = std::fs::metadata(&path).ok();
// Read at most STATUS_MAX_CHARS * 4 + 2 bytes: 4 is the max UTF-8 byte
// width per char, +2 for the trailing newline. Guards against a
// pathologically large file written outside the harness validation path.
let s = {
use std::io::Read as _;
std::fs::File::open(&path).ok().and_then(|f| {
let cap = (crate::limits::STATUS_MAX_CHARS * 4 + 2) as u64;
let mut buf = String::new();
f.take(cap).read_to_string(&mut buf).ok().map(|_| buf)
})
};
let text = s
.as_deref()
.map(str::trim)
.filter(|t| !t.is_empty())
.map(str::to_owned);
let mtime = meta.and_then(|m| {
m.modified().ok().and_then(|t| {
t.duration_since(std::time::UNIX_EPOCH)
.ok()
.and_then(|d| i64::try_from(d.as_secs()).ok())
})
});
if text.is_none() {
(None, None)
} else {
(text, mtime)
}
}
fn read_status(name: &str) -> (Option<String>, Option<i64>) {
read_agent_status(name)
}
/// Wraps `read_agent_status` with the same "stopped containers have
/// stale state" gate `build_all` uses. Returns `(None, None, false)`
/// when the container isn't running so callers don't have to know
/// about the sentinel rules — they just hand back what we give them.
///
/// Returned tuple is `(status_text, status_set_at, running)`.
/// `name` is the logical agent name (same as the broker recipient).
pub async fn read_agent_status_live(name: &str) -> (Option<String>, Option<i64>, bool) {
if !lifecycle::is_running(name).await {
return (None, None, false);
}
let (text, set_at) = read_agent_status(name);
(text, set_at, true)
}
/// Host-side hive + swarm display names, read from the c0re service's
/// own process env. The `hive-c0re.nix` module sets these from
/// `services.hyperhive.{hiveName, swarmName}`. The agent-side
/// `hive-ag3nt::identity::{hive_name, swarm_name}` accessors read the
/// same env vars after they're forwarded into each sub-agent's
/// harness service environment by `meta::render_flake`; surfacing
/// them here from c0re's own env keeps the manager + agent
/// `GetAgentMeta` paths consistent without a round-trip to the
/// target container.
///
/// Returns `(hive_name, swarm_name)`. Each is `None` when the
/// corresponding env var is unset or empty.
#[must_use]
pub fn hive_swarm_names() -> (Option<String>, Option<String>) {
let read = |var: &str| -> Option<String> { std::env::var(var).ok().filter(|s| !s.is_empty()) };
(read("HYPERHIVE_HIVE_NAME"), read("HYPERHIVE_SWARM_NAME"))
}
/// Read the agent's most recent completed turn from its turn-stats
/// `SQLite`: the context-window size (prompt tokens) and the model name.
/// Returns `None` when the file is absent or has no rows. Best-effort
/// — any database error silently yields `None` so a missing or
/// corrupt file never blocks `build_all`.
///
/// Context tokens sum the prompt-side fields (`last_input_tokens`,
/// `last_cache_read_input_tokens`, `last_cache_creation_input_tokens`),
/// mirroring `hive_ag3nt::events::TokenUsage::context_tokens`.
fn read_last_turn(name: &str) -> Option<(u64, String)> {
let path = Coordinator::agent_notes_dir(name).join("hyperhive-turn-stats.sqlite");
let conn =
Connection::open_with_flags(&path, rusqlite::OpenFlags::SQLITE_OPEN_READ_ONLY).ok()?;
conn.query_row(
"SELECT last_input_tokens + last_cache_read_input_tokens + last_cache_creation_input_tokens, model \
FROM turn_stats ORDER BY started_at DESC LIMIT 1",
[],
|row| Ok((row.get::<_, i64>(0)?, row.get::<_, String>(1)?)),
)
.ok()
.and_then(|(toks, model)| Some((u64::try_from(toks).ok()?, model)))
}
/// Resolve a model name to its context-window size using the host's
/// per-model `contextWindowTokens` config. Mirrors the harness's
/// `events::context_window_tokens` substring match: the first config
/// key (lowercased, non-empty) that is a substring of the lowercased
/// model name wins. `None` when nothing matches.
fn resolve_ctx_window(model: &str, per_model: &HashMap<String, u64>) -> Option<u64> {
let m = model.to_ascii_lowercase();
per_model
.iter()
.find(|(key, _)| {
let k = key.to_ascii_lowercase();
!k.is_empty() && m.contains(&k)
})
.map(|(_, &tokens)| tokens)
}
/// Map of `agent-<n>` → locked sha from meta's flake.lock. Used to
/// render the `deployed:<sha12>` chip per container row.
fn read_meta_locked_revs() -> HashMap<String, String> {
let mut out = HashMap::new();
let Ok(raw) = std::fs::read_to_string("/var/lib/hyperhive/meta/flake.lock") else {
return out;
};
let Ok(json) = serde_json::from_str::<serde_json::Value>(&raw) else {
return out;
};
let Some(nodes) = json.get("nodes").and_then(|v| v.as_object()) else {
return out;
};
let Some(root_name) = json.get("root").and_then(|v| v.as_str()) else {
return out;
};
let Some(root_inputs) = nodes
.get(root_name)
.and_then(|n| n.get("inputs"))
.and_then(|v| v.as_object())
else {
return out;
};
for alias in root_inputs.keys() {
let target_name = match root_inputs.get(alias) {
Some(serde_json::Value::String(s)) => s.clone(),
_ => continue,
};
if let Some(rev) = nodes
.get(&target_name)
.and_then(|n| n.get("locked"))
.and_then(|v| v.get("rev"))
.and_then(|v| v.as_str())
{
out.insert(alias.clone(), rev.to_owned());
}
}
out
}
#[cfg(test)]
mod tests {
use super::resolve_ctx_window;
use std::collections::HashMap;
fn cfg() -> HashMap<String, u64> {
[
("haiku".to_owned(), 200_000),
("sonnet".to_owned(), 1_000_000),
("opus".to_owned(), 1_000_000),
]
.into_iter()
.collect()
}
#[test]
fn resolves_family_substring() {
assert_eq!(
resolve_ctx_window("claude-3-5-haiku-20241022", &cfg()),
Some(200_000)
);
assert_eq!(
resolve_ctx_window("claude-sonnet-4-5", &cfg()),
Some(1_000_000)
);
assert_eq!(
resolve_ctx_window("claude-opus-4-1", &cfg()),
Some(1_000_000)
);
}
#[test]
fn resolution_is_case_insensitive() {
assert_eq!(
resolve_ctx_window("Claude-Sonnet-4", &cfg()),
Some(1_000_000)
);
}
#[test]
fn unknown_model_yields_none() {
assert_eq!(resolve_ctx_window("some-other-llm", &cfg()), None);
}
#[test]
fn empty_config_yields_none() {
assert_eq!(
resolve_ctx_window("claude-3-5-haiku", &HashMap::new()),
None
);
}
#[test]
fn empty_key_is_skipped() {
let mut m = HashMap::new();
m.insert(String::new(), 999);
assert_eq!(resolve_ctx_window("claude-3-5-haiku", &m), None);
}
}