300 lines
12 KiB
Rust
300 lines
12 KiB
Rust
//! `ContainerView` + the snapshot builder that turns
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//! `nixos-container list` (plus per-agent state on disk) into the row
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//! shape the dashboard renders. Extracted from `dashboard.rs` so the
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//! coordinator's rescan-and-emit helper can build the same view and
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//! diff against the last snapshot to fire
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//! `ContainerStateChanged` / `ContainerRemoved` events.
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use std::collections::HashMap;
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use std::path::Path;
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use rusqlite::Connection;
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use serde::{Deserialize, Serialize};
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use crate::coordinator::Coordinator;
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use crate::lifecycle::{self, AGENT_PREFIX, MANAGER_NAME};
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/// An agent-declared extra navigation link surfaced on the dashboard card.
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/// Written by the `hive-dashboard-links` NixOS oneshot into
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/// `{state_dir}/hyperhive-dashboard-links.json` and read by `build_all`.
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#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug, Default)]
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pub struct DashboardLink {
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pub label: String,
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#[serde(default)]
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pub icon: String,
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pub url: String,
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}
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#[derive(Serialize, Clone, PartialEq, Eq, Debug)]
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#[allow(clippy::struct_excessive_bools)]
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pub struct ContainerView {
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/// Logical agent name (no `h-` prefix). Used in action URLs.
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pub name: String,
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/// Container name as nixos-container sees it (`h-foo`, `hm1nd`).
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pub container: String,
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pub is_manager: bool,
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pub port: u16,
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pub running: bool,
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pub needs_update: bool,
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pub needs_login: bool,
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/// First 12 chars of the sha the meta flake currently has locked
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/// for this agent's input.
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#[serde(skip_serializing_if = "Option::is_none")]
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pub deployed_sha: Option<String>,
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/// Count of this agent's pending reminders. Computed during
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/// `build_all` via `Broker::count_pending_reminders_for`; the
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/// dashboard renders a small chip when > 0. Updates with the
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/// 10s `crash_watch` rescan + every container mutation site;
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/// not real-time on remind/cancel-reminder but close enough.
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#[serde(default)]
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pub pending_reminders: u64,
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/// Context-window size (prompt tokens) from the agent's most recent
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/// completed turn, read directly from the turn-stats `SQLite`.
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/// `None` when the file is absent or the agent has no turns yet.
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/// Stale by up to one crash-watch cycle (~10s); good enough for
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/// the "which agent is close to the window?" dashboard glance.
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#[serde(default, skip_serializing_if = "Option::is_none")]
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pub ctx_tokens: Option<u64>,
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/// Context-window size (tokens) for the model this agent ran on its
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/// most recent turn — the model name from the last turn-stats row
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/// resolved against the host's per-model `contextWindowTokens`
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/// config. Lets the dashboard derive the ctx badge thresholds
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/// (75% / 50% of the window, matching the harness compaction
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/// watermarks) instead of hardcoding them. `None` when the agent
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/// has no turns yet or no config key matches the model. (issue #66)
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#[serde(default, skip_serializing_if = "Option::is_none")]
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pub context_window_tokens: Option<u64>,
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/// True while the harness is parked after an API rate-limit response.
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/// Detected via the sentinel file `{state_dir}/hyperhive-rate-limited`
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/// that the harness writes in `Bus::emit_status("rate_limited")` and
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/// removes when it resumes. Stale by up to one crash-watch cycle.
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#[serde(default)]
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pub rate_limited: bool,
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/// Extra navigation links declared by the agent via
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/// `hyperhive.dashboardLinks` in `agent.nix`. Written to
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/// `{state_dir}/hyperhive-dashboard-links.json` by the
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/// `hive-dashboard-links` oneshot at container boot. Empty when
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/// the file is absent or the agent declares no links.
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#[serde(default, skip_serializing_if = "Vec::is_empty")]
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pub extra_links: Vec<DashboardLink>,
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}
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/// Build the full container list. Wraps `lifecycle::list()` and
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/// resolves every per-agent attribute the dashboard surfaces.
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pub async fn build_all(coord: &Coordinator) -> Vec<ContainerView> {
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let raw = lifecycle::list().await.unwrap_or_default();
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let locked = read_meta_locked_revs();
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let mut out = Vec::new();
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for c in &raw {
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let (logical, is_manager) = if c == MANAGER_NAME {
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(MANAGER_NAME.to_owned(), true)
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} else if let Some(n) = c.strip_prefix(AGENT_PREFIX) {
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(n.to_owned(), false)
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} else {
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continue;
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};
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let deployed_full = locked.get(&format!("agent-{logical}")).map(std::string::String::as_str);
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let needs_update = crate::auto_update::agent_config_pending(&logical, deployed_full);
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let needs_login =
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!is_manager && !claude_has_session(&Coordinator::agent_claude_dir(&logical));
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let deployed_sha = deployed_full.map(|s| s[..s.len().min(12)].to_owned());
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// Recipient name the broker uses for this agent — sub-agents
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// are addressed by logical name, the manager by the
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// MANAGER_AGENT constant. Mirrors the rest of the broker
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// surface so the count matches what `mcp__hyperhive__remind`
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// queued.
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let reminder_recipient = if is_manager {
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hive_sh4re::MANAGER_AGENT
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} else {
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logical.as_str()
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};
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let pending_reminders = coord
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.broker
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.count_pending_reminders_for(reminder_recipient)
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.unwrap_or(0);
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let last_turn = read_last_turn(&logical);
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let ctx_tokens = last_turn.as_ref().map(|(toks, _)| *toks);
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let context_window_tokens = last_turn
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.as_ref()
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.and_then(|(_, model)| resolve_ctx_window(model, &coord.context_window_tokens));
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let rate_limited = is_rate_limited(&logical);
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let extra_links = read_dashboard_links(&logical);
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out.push(ContainerView {
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port: lifecycle::agent_web_port(&logical),
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running: lifecycle::is_running(&logical).await,
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container: c.clone(),
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name: logical,
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is_manager,
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needs_update,
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needs_login,
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deployed_sha,
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pending_reminders,
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ctx_tokens,
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context_window_tokens,
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rate_limited,
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extra_links,
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});
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}
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out
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}
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/// Host-side mirror of `hive_ag3nt::login::has_session`. Returns true
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/// if the agent's bound `~/.claude/` dir on disk contains any regular
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/// file. Reads each `build_all()` so a login driven from the agent's
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/// own web UI reflects on the next snapshot.
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pub fn claude_has_session(dir: &Path) -> bool {
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let Ok(entries) = std::fs::read_dir(dir) else {
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return false;
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};
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entries
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.flatten()
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.any(|e| e.file_type().is_ok_and(|t| t.is_file()))
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}
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/// Read agent-declared extra dashboard links from
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/// `{state_dir}/hyperhive-dashboard-links.json`. Returns an empty vec when
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/// the file is absent, empty, or unparseable — best-effort, never panics.
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fn read_dashboard_links(name: &str) -> Vec<DashboardLink> {
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let path = Coordinator::agent_notes_dir(name).join("hyperhive-dashboard-links.json");
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let text = match std::fs::read_to_string(&path) {
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Ok(t) if !t.trim().is_empty() => t,
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_ => return Vec::new(),
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};
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serde_json::from_str::<Vec<DashboardLink>>(&text).unwrap_or_default()
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}
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/// Returns true if the agent's harness is currently parked after an API
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/// rate-limit response. Detected via the sentinel file written by
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/// `hive_ag3nt::events::Bus::emit_status("rate_limited")`.
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fn is_rate_limited(name: &str) -> bool {
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Coordinator::agent_notes_dir(name)
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.join("hyperhive-rate-limited")
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.exists()
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}
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/// Read the agent's most recent completed turn from its turn-stats
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/// `SQLite`: the context-window size (prompt tokens) and the model name.
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/// Returns `None` when the file is absent or has no rows. Best-effort
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/// — any database error silently yields `None` so a missing or
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/// corrupt file never blocks `build_all`.
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///
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/// Context tokens sum the prompt-side fields (`last_input_tokens`,
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/// `last_cache_read_input_tokens`, `last_cache_creation_input_tokens`),
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/// mirroring `hive_ag3nt::events::TokenUsage::context_tokens`.
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fn read_last_turn(name: &str) -> Option<(u64, String)> {
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let path = Coordinator::agent_notes_dir(name).join("hyperhive-turn-stats.sqlite");
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let conn = Connection::open_with_flags(
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&path,
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rusqlite::OpenFlags::SQLITE_OPEN_READ_ONLY,
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)
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.ok()?;
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conn.query_row(
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"SELECT last_input_tokens + last_cache_read_input_tokens + last_cache_creation_input_tokens, model \
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FROM turn_stats ORDER BY started_at DESC LIMIT 1",
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[],
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|row| Ok((row.get::<_, i64>(0)?, row.get::<_, String>(1)?)),
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)
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.ok()
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.and_then(|(toks, model)| Some((u64::try_from(toks).ok()?, model)))
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}
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/// Resolve a model name to its context-window size using the host's
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/// per-model `contextWindowTokens` config. Mirrors the harness's
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/// `events::context_window_tokens` substring match: the first config
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/// key (lowercased, non-empty) that is a substring of the lowercased
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/// model name wins. `None` when nothing matches.
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fn resolve_ctx_window(model: &str, per_model: &HashMap<String, u64>) -> Option<u64> {
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let m = model.to_ascii_lowercase();
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per_model
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.iter()
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.find(|(key, _)| {
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let k = key.to_ascii_lowercase();
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!k.is_empty() && m.contains(&k)
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})
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.map(|(_, &tokens)| tokens)
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}
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/// Map of `agent-<n>` → locked sha from meta's flake.lock. Used to
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/// render the `deployed:<sha12>` chip per container row.
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fn read_meta_locked_revs() -> HashMap<String, String> {
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let mut out = HashMap::new();
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let Ok(raw) = std::fs::read_to_string("/var/lib/hyperhive/meta/flake.lock") else {
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return out;
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};
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let Ok(json) = serde_json::from_str::<serde_json::Value>(&raw) else {
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return out;
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};
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let Some(nodes) = json.get("nodes").and_then(|v| v.as_object()) else {
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return out;
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};
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let Some(root_name) = json.get("root").and_then(|v| v.as_str()) else {
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return out;
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};
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let Some(root_inputs) = nodes
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.get(root_name)
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.and_then(|n| n.get("inputs"))
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.and_then(|v| v.as_object())
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else {
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return out;
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};
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for alias in root_inputs.keys() {
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let target_name = match root_inputs.get(alias) {
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Some(serde_json::Value::String(s)) => s.clone(),
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_ => continue,
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};
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if let Some(rev) = nodes
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.get(&target_name)
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.and_then(|n| n.get("locked"))
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.and_then(|v| v.get("rev"))
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.and_then(|v| v.as_str())
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{
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out.insert(alias.clone(), rev.to_owned());
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}
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}
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out
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}
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#[cfg(test)]
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mod tests {
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use super::resolve_ctx_window;
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use std::collections::HashMap;
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fn cfg() -> HashMap<String, u64> {
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[
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("haiku".to_owned(), 200_000),
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("sonnet".to_owned(), 1_000_000),
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("opus".to_owned(), 1_000_000),
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]
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.into_iter()
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.collect()
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}
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#[test]
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fn resolves_family_substring() {
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assert_eq!(resolve_ctx_window("claude-3-5-haiku-20241022", &cfg()), Some(200_000));
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assert_eq!(resolve_ctx_window("claude-sonnet-4-5", &cfg()), Some(1_000_000));
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assert_eq!(resolve_ctx_window("claude-opus-4-1", &cfg()), Some(1_000_000));
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}
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#[test]
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fn resolution_is_case_insensitive() {
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assert_eq!(resolve_ctx_window("Claude-Sonnet-4", &cfg()), Some(1_000_000));
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}
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#[test]
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fn unknown_model_yields_none() {
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assert_eq!(resolve_ctx_window("some-other-llm", &cfg()), None);
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}
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#[test]
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fn empty_config_yields_none() {
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assert_eq!(resolve_ctx_window("claude-3-5-haiku", &HashMap::new()), None);
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}
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#[test]
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fn empty_key_is_skipped() {
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let mut m = HashMap::new();
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m.insert(String::new(), 999);
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assert_eq!(resolve_ctx_window("claude-3-5-haiku", &m), None);
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}
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}
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