pin internal/meta's hyperhive on the controller's rev and rebuild agents when it moves
The swarm controller offers its own running rev (services.hyperhive.c0re. hyperhiveRev) as the hyperhive pin of internal/meta and takes it only when the forge compare API shows it descends from the committed pin; merges to hyperhive main no longer move the pin, and the first commit pins main's head. When a commit moves the pin, every placed agent gets a TriggerDeploy. A deploy after a meta update no longer waits on it succeeding (after_any), so a down builder does not hold back hives that render locally.
This commit is contained in:
parent
5950363a10
commit
22e2d30581
10 changed files with 1027 additions and 148 deletions
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@ -95,7 +95,8 @@ Per-hive (host + in-container):
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utility crate.
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- **`hive-metric/`** — one-shot CLI pushing a labeled metric over OTLP.
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- **`hive-meta-flake/`** — the meta flake's `flake.nix` text, a pure
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render. hive-c0re and swarm-controller both call it.
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render, and the reads of its pins. hive-c0re and swarm-controller both call
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it.
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Wire types + socket plumbing:
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@ -125,14 +125,34 @@ lock doesn't wait for a build in progress and has ten minutes. The builder
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commits nothing.
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swarm-controller sends the request. It renders `internal/meta`'s `flake.nix`
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with the same renderer hive-c0re uses (`hive-meta-flake`). The render pins
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hyperhive to its forge `main`, and each custom agent that a hive places to its
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`agent-configs/<agent>` `main`, all over `https`. The controller commits
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`flake.nix` and the returned `flake.lock` to `internal/meta` in one commit, and
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gives each hive's forge account read on the repo. It re-renders when it
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starts, when hyperhive's `main` moves, before it deploys a merged config PR,
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and before the first deploy of a new agent. That deploy waits for the commit.
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A render equal to the committed `flake.nix` sends no lock.
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with the same renderer hive-c0re uses (`hive-meta-flake`), all over `https`.
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Each custom agent that a hive places pins to its `agent-configs/<agent>`
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`main`. Hyperhive pins to one rev, a ratchet on the controller's own
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running rev (`services.hyperhive.c0re.hyperhiveRev`, from `self.rev`):
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- the first commit pins hyperhive's forge `main`;
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- later, the pin moves to the controller's rev only when the forge's compare
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API shows that rev is a strict descendant of the committed pin: commits
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ahead of it, and none the pin has that it lacks. The compare endpoint counts
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histories with no common ancestor as zero commits ahead, so the check needs
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both directions;
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- an older controller, a rev on another line, a controller built from a dirty
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tree or a forge that can't answer leaves the pin. A merge to hyperhive's
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`main` moves nothing.
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The controller commits `flake.nix` and the returned `flake.lock` to
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`internal/meta` in one commit, and gives each hive's forge account read on the
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repo. It re-renders when it starts, before it deploys a merged config PR, and
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before the first deploy of a new agent. Those deploys run whether or not the
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update succeeded: a hive that builds from `internal/meta` does so only while it
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pins the agent's current config (see
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[Config changes](../agent-lifecycle/config-changes.md#the-swarms-meta-flake)). A render
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equal to the committed `flake.nix` sends no lock.
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When a commit moves the pin from one rev to another, the controller sends a
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deploy to every agent a hive places, so they rebuild on the new hyperhive. A
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restart that moves nothing deploys nothing, and the first commit deploys
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nothing.
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## Credentials
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@ -421,3 +421,135 @@ pub fn agent_web_port(name: &str) -> u16 {
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// Modulo of a u32 by a u16's value is guaranteed < u16::MAX, so try_from never fails.
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WEB_PORT_BASE + u16::try_from(fnv1a(name) % u32::from(WEB_PORT_RANGE)).unwrap_or(0)
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}
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/// Whether `rev` is a full git commit id: 40 lowercase hex digits.
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#[must_use]
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pub fn is_rev(rev: &str) -> bool {
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rev.len() == 40 && rev.bytes().all(|b| matches!(b, b'0'..=b'9' | b'a'..=b'f'))
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}
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/// The commit `input` is pinned to in a flake [`render_flake`] rendered:
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/// the `<rev>` of its `<input>.url = "git+<url>?rev=<rev>";` line. `None` when
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/// the flake has no such input, or its rev is not a commit id.
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#[must_use]
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pub fn pinned_rev<'a>(flake_nix: &'a str, input: &str) -> Option<&'a str> {
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let prefix = format!(" {input}.url = \"");
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let url = flake_nix
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.lines()
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.find_map(|l| l.strip_prefix(prefix.as_str()))?
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.split_once('"')?
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.0;
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let (_, rev) = url.split_once("?rev=")?;
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let rev = rev.split('&').next()?;
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is_rev(rev).then_some(rev)
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}
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/// Whether a flake [`render_flake`] rendered builds agent `name` from the
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/// config commit `config_head`. `None` is an archetype agent, which has no
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/// config input to compare.
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#[must_use]
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pub fn builds_agent_at(flake_nix: &str, name: &str, config_head: Option<&str>) -> bool {
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let attr = format!("\n {name} = mkAgent {{ name = \"{name}\";");
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if !flake_nix.contains(&attr) {
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return false;
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}
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config_head.is_none_or(|head| pinned_rev(flake_nix, &format!("agent-{name}")) == Some(head))
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}
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#[cfg(test)]
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mod tests {
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use swarm_wire::agent_archetype::ArchetypeRef;
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use super::*;
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const HYPERHIVE: &str = "1111111111111111111111111111111111111111";
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const ARGUS: &str = "2222222222222222222222222222222222222222";
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fn spec(name: &str, archetype: Option<ArchetypeRef>, pin: Option<AgentPin>) -> AgentSpec {
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AgentSpec {
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name: name.to_owned(),
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port: agent_web_port(name),
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archetype,
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pin,
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}
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}
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fn rendered() -> String {
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let url = |repo: &str, rev: &str| {
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pinned_git_url(&format!("https://f.t/{repo}.git"), Some(rev)).unwrap()
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};
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render_flake(
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&url("hyperhive/hyperhive", HYPERHIVE),
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&[
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spec(
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"argus",
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None,
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Some(AgentPin {
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url: url("agent-configs/argus", ARGUS),
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canonical_inputs: vec![],
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}),
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),
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spec(
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"rev",
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Some(ArchetypeRef {
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source: "hyperhive".to_owned(),
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name: "reviewer".to_owned(),
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}),
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None,
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),
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],
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&[],
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false,
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)
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.unwrap()
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}
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#[test]
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fn a_rendered_flake_names_the_commit_each_input_is_pinned_to() {
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let flake = rendered();
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assert_eq!(pinned_rev(&flake, "hyperhive"), Some(HYPERHIVE));
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assert_eq!(pinned_rev(&flake, "agent-argus"), Some(ARGUS));
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assert_eq!(
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pinned_rev(&flake, "agent-rev"),
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None,
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"an archetype has no input"
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);
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assert_eq!(pinned_rev(&flake, "agent-ghost"), None);
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}
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#[test]
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fn a_pin_that_is_not_a_commit_id_is_no_pin() {
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let flake = " hyperhive.url = \"git+https://f.t/h.git?rev=main\";\n";
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assert_eq!(pinned_rev(flake, "hyperhive"), None);
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assert_eq!(
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pinned_rev(
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" hyperhive.url = \"git+https://f.t/h.git\";\n",
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"hyperhive"
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),
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None
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);
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}
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#[test]
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fn an_agent_is_built_only_at_the_config_head_the_flake_pins() {
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let flake = rendered();
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assert!(builds_agent_at(&flake, "argus", Some(ARGUS)));
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assert!(
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!builds_agent_at(&flake, "argus", Some(HYPERHIVE)),
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"a stale pin"
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);
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assert!(
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!builds_agent_at(&flake, "ghost", Some(ARGUS)),
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"an agent the flake lacks"
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);
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assert!(builds_agent_at(&flake, "rev", None));
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assert!(!builds_agent_at(&flake, "ghost", None));
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}
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#[test]
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fn an_agent_whose_name_ends_another_s_is_not_that_agent() {
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let flake = rendered();
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assert!(!builds_agent_at(&flake, "gus", Some(ARGUS)));
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assert!(!builds_agent_at(&flake, "v", None));
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}
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}
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@ -89,9 +89,12 @@
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Git rev of the hyperhive checkout this host runs. hive-c0re pins
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the generated meta flake's `hyperhive` input to
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`git+<forge>/hyperhive/hyperhive.git?rev=<rev>`, and `nixpkgs`
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follows that input. Wired by `nixosModules.default` from
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follows that input. The swarm controller offers the same rev as the
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`hyperhive` pin of `internal/meta`, which it takes when the rev is a
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descendant of the committed pin. Wired by `nixosModules.default` from
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`self.rev`, which a dirty tree does not have; with `null`,
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hive-c0re refuses to render the meta flake.
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hive-c0re refuses to render the meta flake and the controller leaves
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the `internal/meta` pin where it is.
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'';
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};
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agentBaseToplevel = lib.mkOption {
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@ -286,6 +286,9 @@ let
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# helper answers only `https` for the forge.
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git_base = "https://${forgeCfg.domain}";
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github_disabled = !swarmCfg.github.enable;
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# The rev this controller runs, which `internal/meta` pins hyperhive
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# to once it descends from the committed pin; null on a dirty tree.
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hyperhive_rev = config.services.hyperhive.c0re.hyperhiveRev;
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};
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};
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|
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@ -9,7 +9,7 @@ use forgejo_api::structs::{
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};
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use super::objects::SHARED_ORG;
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use super::{Client, DefaultBranchFiles};
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use super::{Client, DefaultBranchFiles, is_repo_not_found};
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use crate::meta_flake::{META_REPO, MetaFile, MetaForge};
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impl MetaForge for Client {
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@ -36,6 +36,27 @@ impl MetaForge for Client {
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.await
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}
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async fn commits_ahead(
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&self,
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owner: &str,
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repo: &str,
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base: &str,
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head: &str,
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) -> Result<Option<u64>> {
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let basehead = format!("{base}...{head}");
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match self
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.api
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.call(|api| api.repo_compare_diff(owner, repo, &basehead).into_future())
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.await
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{
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Ok(compare) => Ok(Some(
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u64::try_from(compare.total_commits.unwrap_or(0)).unwrap_or(0),
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)),
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Err(e) if is_repo_not_found(&e) => Ok(None),
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Err(e) => Err(e).with_context(|| format!("compare {basehead} in {owner}/{repo}")),
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}
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}
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async fn commit_meta(&self, message: &str, files: Vec<MetaFile>) -> Result<()> {
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let ops: Vec<ChangeFileOperation> = files
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.into_iter()
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@ -75,3 +96,70 @@ impl MetaForge for Client {
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Ok(())
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}
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}
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#[cfg(test)]
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mod tests {
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use std::sync::{Arc, Mutex};
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use super::*;
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/// A stand-in forge answering Forgejo's compare endpoint: `total_commits`
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/// of 3 for `aaa...bbb`, 0 for `bbb...aaa`, 404 for anything else.
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/// Records every request's path.
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async fn compare_forge() -> (Client, Arc<Mutex<Vec<String>>>) {
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use axum::http::{StatusCode, Uri};
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let seen = Arc::new(Mutex::new(Vec::new()));
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let recorded = Arc::clone(&seen);
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let app = axum::Router::new().fallback(move |uri: Uri| {
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let recorded = Arc::clone(&recorded);
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async move {
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recorded.lock().unwrap().push(uri.path().to_owned());
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match uri.path() {
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"/api/v1/repos/o/r/compare/aaa...bbb" => (
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StatusCode::OK,
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r#"{"total_commits":3,"commits":[],"files":[]}"#,
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),
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"/api/v1/repos/o/r/compare/bbb...aaa" => {
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(StatusCode::OK, r#"{"total_commits":0,"commits":[]}"#)
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}
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_ => (StatusCode::NOT_FOUND, r#"{"message":"not found"}"#),
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}
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}
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});
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let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
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let url = url::Url::parse(&format!("http://{}/", listener.local_addr().unwrap())).unwrap();
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tokio::spawn(async move { axum::serve(listener, app).await });
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let api = crate::forge::api::tests::fixed(url.clone(), "stub-token");
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(Client { api, url }, seen)
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}
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|
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#[tokio::test]
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async fn commits_ahead_reads_the_compare_endpoint_as_base_dots_head() {
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let (client, seen) = compare_forge().await;
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assert_eq!(
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client.commits_ahead("o", "r", "aaa", "bbb").await.unwrap(),
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Some(3)
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);
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assert_eq!(
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client.commits_ahead("o", "r", "bbb", "aaa").await.unwrap(),
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Some(0)
|
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);
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assert_eq!(
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*seen.lock().unwrap(),
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[
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"/api/v1/repos/o/r/compare/aaa...bbb",
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"/api/v1/repos/o/r/compare/bbb...aaa"
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]
|
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);
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}
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|
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#[tokio::test]
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async fn a_commit_the_forge_lacks_is_no_count_not_an_error() {
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let (client, _) = compare_forge().await;
|
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assert_eq!(
|
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client.commits_ahead("o", "r", "aaa", "zzz").await.unwrap(),
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None
|
||||
);
|
||||
}
|
||||
}
|
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|
|
|
|||
|
|
@ -134,12 +134,12 @@ pub(crate) enum SwarmNodeKind {
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/// agent creation, where the hive deploys what it seeds.
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rev: Option<String>,
|
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},
|
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/// Pin the swarm meta flake (`internal/meta`) to the forge's current
|
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/// heads: render, lock on the swarm builder, commit. See `meta_flake`.
|
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/// Pin the swarm meta flake (`internal/meta`): render, lock on the swarm
|
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/// builder, commit. See `meta_flake`. When the commit moves the hyperhive
|
||||
/// pin, a `TriggerDeploy` per placed agent follows.
|
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///
|
||||
/// Carries nothing: it reads every head when it runs, so one pending node
|
||||
/// covers every trigger queued behind it. Hives build from that repo, so a
|
||||
/// deploy waits for this node.
|
||||
/// covers every trigger queued behind it.
|
||||
UpdateMeta,
|
||||
}
|
||||
|
||||
|
|
@ -395,7 +395,7 @@ pub(crate) async fn run_swarm_node(
|
|||
),
|
||||
Some(client) => publish_deploy(&client, &hive, &agent, rev).await,
|
||||
},
|
||||
SwarmNodeKind::UpdateMeta => update_meta(&deps, forge).await,
|
||||
SwarmNodeKind::UpdateMeta => finish_update_meta(update_meta(&deps, forge).await, &builder),
|
||||
};
|
||||
(builder, outcome)
|
||||
}
|
||||
|
|
@ -565,64 +565,104 @@ pub(crate) async fn build_agent(
|
|||
.await
|
||||
}
|
||||
|
||||
/// The `UpdateMeta` arm, lifted out for the same reason.
|
||||
/// The `UpdateMeta` arm, lifted out for the same reason: what the update
|
||||
/// reported, and the placements it rendered for. `Err` is the node's failure.
|
||||
async fn update_meta(
|
||||
deps: &WorkerDeps,
|
||||
forge: Option<Arc<forge::Client>>,
|
||||
) -> hive_jobq::scheduler::Outcome {
|
||||
use hive_jobq::scheduler::Outcome;
|
||||
|
||||
) -> Result<
|
||||
(
|
||||
meta_flake::Report,
|
||||
std::collections::BTreeSet<(String, String)>,
|
||||
),
|
||||
String,
|
||||
> {
|
||||
let Some(client) = forge else {
|
||||
return Outcome::Failed(
|
||||
return Err(
|
||||
"no forge access here (SWARM_CONTROLLER_FORGE_URL unset, or its token \
|
||||
not in the swarm secret store), so internal/meta cannot be written"
|
||||
.to_owned(),
|
||||
);
|
||||
};
|
||||
let Some(meta) = meta_deps() else {
|
||||
return Outcome::Failed(format!(
|
||||
return Err(format!(
|
||||
"{} is unset, so there are no swarm values to render internal/meta from",
|
||||
meta_flake::SETTINGS_ENV
|
||||
));
|
||||
};
|
||||
let (Some(queue), Some(wanted)) = (&deps.queue, &deps.wanted) else {
|
||||
return Outcome::Failed(
|
||||
"no swarm queue is configured on this host, so neither the placed agents nor a \
|
||||
lock can be had"
|
||||
return Err(
|
||||
"no swarm queue is configured on this host, so neither the placed agents \
|
||||
nor a lock can be had"
|
||||
.to_owned(),
|
||||
);
|
||||
};
|
||||
let agents = match placed_agents(queue, wanted, &meta.hives).await {
|
||||
Ok(agents) => agents,
|
||||
Err(e) => return Outcome::Failed(format!("{e:#}")),
|
||||
};
|
||||
match forge_node(
|
||||
let placements = placements(wanted, &meta.hives)
|
||||
.await
|
||||
.map_err(|e| format!("{e:#}"))?;
|
||||
let agents = placed_agents(queue, &placements)
|
||||
.await
|
||||
.map_err(|e| format!("{e:#}"))?;
|
||||
let report = forge_node(
|
||||
"update_meta",
|
||||
meta_flake::update(
|
||||
client.as_ref(),
|
||||
queue,
|
||||
&meta.settings,
|
||||
&agents,
|
||||
&meta.hives,
|
||||
),
|
||||
meta_flake::update(client.as_ref(), queue, &meta.settings, &agents, &meta.hives),
|
||||
)
|
||||
.await
|
||||
{
|
||||
Ok(updated) => {
|
||||
tracing::info!(?updated, agents = agents.len(), "update_meta: done");
|
||||
.map_err(|e| format!("{e:#}"))?;
|
||||
tracing::info!(?report, agents = agents.len(), "update_meta: done");
|
||||
Ok((report, placements))
|
||||
}
|
||||
|
||||
/// The `UpdateMeta` node's outcome from what [`update_meta`] reported, with the
|
||||
/// deploys a moved pin calls for declared into `builder` (the scheduler inserts
|
||||
/// them under the node when it completes). Synchronous: the builder is not
|
||||
/// `Sync`, so it cannot be held across an await.
|
||||
fn finish_update_meta(
|
||||
result: Result<
|
||||
(
|
||||
meta_flake::Report,
|
||||
std::collections::BTreeSet<(String, String)>,
|
||||
),
|
||||
String,
|
||||
>,
|
||||
builder: &hive_jobq::builder::JobBuilder<SwarmNodeKind, SwarmResourceKind>,
|
||||
) -> hive_jobq::scheduler::Outcome {
|
||||
use hive_jobq::scheduler::Outcome;
|
||||
|
||||
match result {
|
||||
Ok((report, placements)) => {
|
||||
fan_out_if_moved(builder, &report, &placements);
|
||||
Outcome::Done
|
||||
}
|
||||
Err(e) => Outcome::Failed(format!("{e:#}")),
|
||||
Err(e) => Outcome::Failed(e),
|
||||
}
|
||||
}
|
||||
|
||||
/// Every agent some hive in `hives` places, with its archetype.
|
||||
async fn placed_agents(
|
||||
queue: &async_nats::Client,
|
||||
/// Declare one rebuild of each `(hive, agent)` placement when `report` says
|
||||
/// the agents' hyperhive moved: nothing else tells them to build again.
|
||||
fn fan_out_if_moved(
|
||||
grown: &hive_jobq::builder::JobBuilder<SwarmNodeKind, SwarmResourceKind>,
|
||||
report: &meta_flake::Report,
|
||||
placements: &std::collections::BTreeSet<(String, String)>,
|
||||
) {
|
||||
if !report.hyperhive_moved {
|
||||
return;
|
||||
}
|
||||
for (hive, agent) in placements {
|
||||
let _ = grown.node(SwarmNodeKind::TriggerDeploy {
|
||||
hive: hive.clone(),
|
||||
agent: agent.clone(),
|
||||
rev: None,
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
/// Every `(hive, agent)` a hive in `hives` places.
|
||||
async fn placements(
|
||||
wanted: &wanted::WantedWriter,
|
||||
hives: &[String],
|
||||
) -> Result<Vec<meta_flake::Placed>> {
|
||||
let mut names = std::collections::BTreeSet::new();
|
||||
) -> Result<std::collections::BTreeSet<(String, String)>> {
|
||||
let mut placed = std::collections::BTreeSet::new();
|
||||
for hive in hives {
|
||||
let Some(declared) = wanted
|
||||
.view(hive)
|
||||
|
|
@ -631,14 +671,24 @@ async fn placed_agents(
|
|||
else {
|
||||
continue;
|
||||
};
|
||||
names.extend(
|
||||
placed.extend(
|
||||
declared
|
||||
.agents
|
||||
.into_iter()
|
||||
.filter(|(_, w)| crate::routes::agents::places_agent(w.state))
|
||||
.map(|(name, _)| name),
|
||||
.map(|(name, _)| (hive.clone(), name)),
|
||||
);
|
||||
}
|
||||
Ok(placed)
|
||||
}
|
||||
|
||||
/// Every agent in `placements`, with its archetype.
|
||||
async fn placed_agents(
|
||||
queue: &async_nats::Client,
|
||||
placements: &std::collections::BTreeSet<(String, String)>,
|
||||
) -> Result<Vec<meta_flake::Placed>> {
|
||||
let names: std::collections::BTreeSet<&String> =
|
||||
placements.iter().map(|(_, agent)| agent).collect();
|
||||
let archetypes = swarm_queue_client::agent_archetype::open_or_create(queue)
|
||||
.await
|
||||
.map_err(|e| anyhow::anyhow!("open the agent-archetype bucket: {e}"))?;
|
||||
|
|
@ -646,10 +696,13 @@ async fn placed_agents(
|
|||
for name in names {
|
||||
let (archetype, _, _) = crate::schedules::read_or_default::<
|
||||
Option<swarm_wire::agent_archetype::ArchetypeRef>,
|
||||
>(&archetypes, &name)
|
||||
>(&archetypes, name)
|
||||
.await
|
||||
.map_err(|e| e.context(format!("read the archetype of {name}")))?;
|
||||
placed.push(meta_flake::Placed { name, archetype });
|
||||
placed.push(meta_flake::Placed {
|
||||
name: name.clone(),
|
||||
archetype,
|
||||
});
|
||||
}
|
||||
Ok(placed)
|
||||
}
|
||||
|
|
@ -983,22 +1036,7 @@ pub(crate) async fn queue_merged_config_deploy(
|
|||
.jobq
|
||||
.lock()
|
||||
.unwrap_or_else(std::sync::PoisonError::into_inner)
|
||||
.insert_job(None, |b| {
|
||||
// The hive builds the merged commit from `internal/meta`, so the
|
||||
// flake must pin it before the hive is told.
|
||||
let update_meta = b
|
||||
.node(SwarmNodeKind::UpdateMeta)
|
||||
.needs(SwarmResourceKind::Meta);
|
||||
let root = update_meta.guid();
|
||||
let _deploy = b
|
||||
.node(SwarmNodeKind::TriggerDeploy {
|
||||
hive: hive.clone(),
|
||||
agent: agent.clone(),
|
||||
rev: Some(rev.clone()),
|
||||
})
|
||||
.after_ok(update_meta);
|
||||
vec![root]
|
||||
});
|
||||
.insert_job(None, |b| merged_deploy_job(b, &hive, &agent, &rev));
|
||||
match inserted {
|
||||
Ok(_) => tracing::info!(%agent, %rev, %hive, "config-pr merge: deploy queued"),
|
||||
Err(e) => {
|
||||
|
|
@ -1007,6 +1045,33 @@ pub(crate) async fn queue_merged_config_deploy(
|
|||
}
|
||||
}
|
||||
|
||||
/// The sub-DAG a merged config PR is: the meta update, then the deploy of
|
||||
/// `rev` on `hive`.
|
||||
///
|
||||
/// `after_any`: a hive builds from `internal/meta` only while it pins the
|
||||
/// agent's config commit, and renders locally otherwise, as a hive that
|
||||
/// predates the repo always does. A failed update (no builder, an unreadable
|
||||
/// config repo) must not hold those hives back.
|
||||
fn merged_deploy_job(
|
||||
b: &hive_jobq::builder::JobBuilder<SwarmNodeKind, SwarmResourceKind>,
|
||||
hive: &str,
|
||||
agent: &str,
|
||||
rev: &str,
|
||||
) -> Vec<hive_jobq::builder::NodeGuid> {
|
||||
let update_meta = b
|
||||
.node(SwarmNodeKind::UpdateMeta)
|
||||
.needs(SwarmResourceKind::Meta);
|
||||
let root = update_meta.guid();
|
||||
let _deploy = b
|
||||
.node(SwarmNodeKind::TriggerDeploy {
|
||||
hive: hive.to_owned(),
|
||||
agent: agent.to_owned(),
|
||||
rev: Some(rev.to_owned()),
|
||||
})
|
||||
.after_any(update_meta);
|
||||
vec![root]
|
||||
}
|
||||
|
||||
/// The sub-DAG one agent creation is: the nodes, and the edges between them.
|
||||
///
|
||||
/// A function rather than a closure inside [`create_agent`](crate::routes::agents::create_agent) so the endpoint's
|
||||
|
|
@ -1095,8 +1160,10 @@ pub(crate) fn declare_agent_job(
|
|||
hive: hive.to_owned(),
|
||||
agent: agent.to_owned(),
|
||||
});
|
||||
// The hive builds the agent from `internal/meta`, which can only carry it
|
||||
// once the agent is declared on a hive and its config repo has a commit.
|
||||
// The hive builds the agent from `internal/meta` once it pins the agent's
|
||||
// config commit, and renders locally until then. `after_any` on the
|
||||
// update, so one that failed (no builder, an unreadable config repo)
|
||||
// still lets the hive build the agent that way.
|
||||
let update_meta = b
|
||||
.node(SwarmNodeKind::UpdateMeta)
|
||||
.needs(SwarmResourceKind::Meta)
|
||||
|
|
@ -1131,7 +1198,7 @@ pub(crate) fn declare_agent_job(
|
|||
agent: agent.to_owned(),
|
||||
rev: None,
|
||||
})
|
||||
.after_ok(update_meta)
|
||||
.after_any(update_meta)
|
||||
.after_any(mint_identity)
|
||||
.after_any(mint_forge_token)
|
||||
// `after_any` for the same reason: the container reads this token
|
||||
|
|
@ -1907,6 +1974,187 @@ mod tests {
|
|||
);
|
||||
}
|
||||
|
||||
/// Whether the edge from the `from` node to the `on` node accepts a
|
||||
/// failed `on`, in a graph built by `declare`.
|
||||
fn edge_accepts_failure(
|
||||
declare: impl FnOnce(&hive_jobq::builder::JobBuilder<SwarmNodeKind, SwarmResourceKind>),
|
||||
from: &str,
|
||||
on: &str,
|
||||
) -> bool {
|
||||
use hive_jobq_wire::WireNode as _;
|
||||
|
||||
let mut sched = hive_jobq::scheduler::Scheduler::new(
|
||||
hive_jobq::Graph::new(),
|
||||
hive_jobq::resources::ResourceTable::new(),
|
||||
);
|
||||
sched
|
||||
.insert_job(None, |b| {
|
||||
declare(b);
|
||||
Vec::new()
|
||||
})
|
||||
.expect("the graph inserts");
|
||||
let graph = sched.graph();
|
||||
let id_of = |label: &str| {
|
||||
graph
|
||||
.nodes()
|
||||
.find(|n| n.payload.label() == label)
|
||||
.unwrap_or_else(|| panic!("the graph holds a {label} node"))
|
||||
.id
|
||||
};
|
||||
let (from, on) = (id_of(from), id_of(on));
|
||||
graph
|
||||
.node(from)
|
||||
.expect("just found")
|
||||
.deps
|
||||
.iter()
|
||||
.find_map(|d| match d {
|
||||
hive_jobq::Dep::Node { id, when } if *id == on => Some(*when),
|
||||
_ => None,
|
||||
})
|
||||
.expect("the edge exists")
|
||||
.accepts(hive_jobq::TerminalState::Failed)
|
||||
}
|
||||
|
||||
/// A deploy that waits for the meta update must still run when the update
|
||||
/// fails: a hive that renders locally never needed it.
|
||||
#[test]
|
||||
fn a_failed_meta_update_does_not_hold_back_the_deploys() {
|
||||
let create = |b: &hive_jobq::builder::JobBuilder<SwarmNodeKind, SwarmResourceKind>| {
|
||||
let _ = super::declare_agent_job(b, "atlas", "pr1ma", false);
|
||||
};
|
||||
let merge = |b: &hive_jobq::builder::JobBuilder<SwarmNodeKind, SwarmResourceKind>| {
|
||||
let _ = super::merged_deploy_job(b, "pr1ma", "atlas", "abc");
|
||||
};
|
||||
assert!(edge_accepts_failure(
|
||||
create,
|
||||
"trigger_deploy",
|
||||
"update_meta"
|
||||
));
|
||||
assert!(edge_accepts_failure(merge, "trigger_deploy", "update_meta"));
|
||||
// The same lookup finds the edges that do hold a deploy back.
|
||||
assert!(!edge_accepts_failure(
|
||||
create,
|
||||
"trigger_deploy",
|
||||
"set_agent_wanted"
|
||||
));
|
||||
assert!(!edge_accepts_failure(
|
||||
create,
|
||||
"update_meta",
|
||||
"set_agent_wanted"
|
||||
));
|
||||
}
|
||||
|
||||
/// The scheduler's side of the same edge: with the update failed, the
|
||||
/// deploy is the next node to run.
|
||||
#[tokio::test]
|
||||
async fn the_merged_deploy_runs_after_a_failed_meta_update() {
|
||||
use hive_jobq::scheduler::{Outcome, Scheduler};
|
||||
use hive_jobq_wire::WireNode as _;
|
||||
|
||||
let mut sched = Scheduler::new(
|
||||
hive_jobq::Graph::new(),
|
||||
hive_jobq::resources::ResourceTable::new(),
|
||||
);
|
||||
sched
|
||||
.insert_job(None, |b| {
|
||||
super::merged_deploy_job(b, "pr1ma", "atlas", "abc")
|
||||
})
|
||||
.expect("the graph inserts");
|
||||
let sched = std::sync::Arc::new(std::sync::Mutex::new(sched));
|
||||
let mut ran = Vec::new();
|
||||
while let Some(runner) = Scheduler::claim_next(&sched, |_id, kind, builder| async move {
|
||||
let outcome = match kind {
|
||||
SwarmNodeKind::UpdateMeta => Outcome::Failed("no builder".to_owned()),
|
||||
_ => Outcome::Done,
|
||||
};
|
||||
(builder, outcome)
|
||||
}) {
|
||||
runner.await.1.expect("no growth declared");
|
||||
ran.push(
|
||||
sched
|
||||
.lock()
|
||||
.unwrap()
|
||||
.graph()
|
||||
.nodes()
|
||||
.filter(|n| n.state.is_terminal())
|
||||
.map(|n| (n.payload.label(), n.state))
|
||||
.collect::<Vec<_>>(),
|
||||
);
|
||||
}
|
||||
let last = ran.last().expect("both nodes ran");
|
||||
assert!(
|
||||
last.contains(&("update_meta".to_owned(), hive_jobq::State::Failed)),
|
||||
"{last:?}"
|
||||
);
|
||||
assert!(
|
||||
last.contains(&("trigger_deploy".to_owned(), hive_jobq::State::Done)),
|
||||
"{last:?}"
|
||||
);
|
||||
}
|
||||
|
||||
/// Run an `UpdateMeta` node that reports `report`, and return the
|
||||
/// `(hive, agent, rev)` of every deploy it grew.
|
||||
async fn grown_deploys(report: meta_flake::Report) -> Vec<(String, String, Option<String>)> {
|
||||
use hive_jobq::scheduler::{Outcome, Scheduler};
|
||||
|
||||
let mut sched = Scheduler::new(
|
||||
hive_jobq::Graph::new(),
|
||||
hive_jobq::resources::ResourceTable::new(),
|
||||
);
|
||||
let update = sched
|
||||
.append(SwarmNodeKind::UpdateMeta, Vec::new(), None)
|
||||
.expect("insert");
|
||||
let sched = std::sync::Arc::new(std::sync::Mutex::new(sched));
|
||||
let placements: std::collections::BTreeSet<(String, String)> =
|
||||
[("pr1ma", "atlas"), ("pr1ma", "argus"), ("sec0nd", "iris")]
|
||||
.into_iter()
|
||||
.map(|(h, a)| (h.to_owned(), a.to_owned()))
|
||||
.collect();
|
||||
let runner = Scheduler::claim_next(&sched, move |_id, _kind, builder| async move {
|
||||
fan_out_if_moved(&builder, &report, &placements);
|
||||
(builder, Outcome::Done)
|
||||
})
|
||||
.expect("the node just inserted is runnable");
|
||||
runner.await.1.expect("the grown nodes insert");
|
||||
let guard = sched.lock().unwrap();
|
||||
guard
|
||||
.graph()
|
||||
.nodes()
|
||||
.filter_map(|n| match &n.payload {
|
||||
SwarmNodeKind::TriggerDeploy { hive, agent, rev } => {
|
||||
assert_eq!(n.parent, Some(update), "grown under the update");
|
||||
Some((hive.clone(), agent.clone(), rev.clone()))
|
||||
}
|
||||
_ => None,
|
||||
})
|
||||
.collect()
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn a_moved_pin_rebuilds_every_placed_agent_and_an_unmoved_one_none() {
|
||||
let moved = grown_deploys(meta_flake::Report {
|
||||
updated: meta_flake::Updated::Committed,
|
||||
hyperhive_moved: true,
|
||||
})
|
||||
.await;
|
||||
let mut moved: Vec<_> = moved.into_iter().collect();
|
||||
moved.sort();
|
||||
assert_eq!(
|
||||
moved,
|
||||
vec![
|
||||
("pr1ma".to_owned(), "argus".to_owned(), None),
|
||||
("pr1ma".to_owned(), "atlas".to_owned(), None),
|
||||
("sec0nd".to_owned(), "iris".to_owned(), None),
|
||||
]
|
||||
);
|
||||
let unmoved = grown_deploys(meta_flake::Report {
|
||||
updated: meta_flake::Updated::Committed,
|
||||
hyperhive_moved: false,
|
||||
})
|
||||
.await;
|
||||
assert!(unmoved.is_empty(), "{unmoved:?}");
|
||||
}
|
||||
|
||||
/// Node labels of the graph [`super::declare_agent_job`] builds, and the
|
||||
/// labels the deploy node waits on.
|
||||
fn creation_graph(archetype: bool) -> (Vec<String>, Vec<String>) {
|
||||
|
|
|
|||
|
|
@ -1,11 +1,15 @@
|
|||
//! `internal/meta`: the swarm meta flake hives build their agents from.
|
||||
//! `internal/meta`: the swarm meta flake hives build from.
|
||||
//!
|
||||
//! [`update`] renders `flake.nix` with `hive_meta_flake::render_flake`: hyperhive
|
||||
//! pinned to its forge `main`, each custom agent's config input pinned to its
|
||||
//! pinned by [`hyperhive_pin`], each custom agent's config input pinned to its
|
||||
//! `agent-configs/<agent>` `main`, every agent placed on some hive. The swarm
|
||||
//! builder locks it (`swarm_wire::builder::LockMeta`), and the flake and the
|
||||
//! lock are committed together in one commit. A render equal to the committed
|
||||
//! `flake.nix` sends no lock and commits nothing.
|
||||
//!
|
||||
//! The hyperhive pin is a ratchet on this controller's running rev: it moves
|
||||
//! only to a rev that descends from the committed one, so deploying an older
|
||||
//! controller never rolls the agents back.
|
||||
|
||||
use std::collections::BTreeMap;
|
||||
use std::future::Future;
|
||||
|
|
@ -39,6 +43,10 @@ pub(crate) struct Settings {
|
|||
git_base: String,
|
||||
/// The swarm turned the agents' GitHub integration off.
|
||||
github_disabled: bool,
|
||||
/// The hyperhive commit this controller runs (`self.rev`); `None` for a
|
||||
/// dirty tree, which leaves the pin where it is.
|
||||
#[serde(default)]
|
||||
hyperhive_rev: Option<String>,
|
||||
}
|
||||
|
||||
impl Settings {
|
||||
|
|
@ -61,12 +69,23 @@ impl Settings {
|
|||
{
|
||||
bail!("{SETTINGS_ENV}: {unknown} is not a value the meta flake forwards");
|
||||
}
|
||||
if settings.vars.get("HIVE_FORGE_URL").is_none_or(String::is_empty) {
|
||||
if settings
|
||||
.vars
|
||||
.get("HIVE_FORGE_URL")
|
||||
.is_none_or(String::is_empty)
|
||||
{
|
||||
bail!("{SETTINGS_ENV}: HIVE_FORGE_URL is unset");
|
||||
}
|
||||
if !settings.git_base.starts_with("https://") {
|
||||
bail!("{SETTINGS_ENV}: git_base must be an https origin");
|
||||
}
|
||||
if let Some(rev) = settings
|
||||
.hyperhive_rev
|
||||
.as_deref()
|
||||
.filter(|r| !hive_meta_flake::is_rev(r))
|
||||
{
|
||||
bail!("{SETTINGS_ENV}: hyperhive_rev {rev:?} is not a full commit id");
|
||||
}
|
||||
Ok(settings)
|
||||
}
|
||||
|
||||
|
|
@ -110,6 +129,22 @@ pub(crate) trait MetaForge {
|
|||
repo: &str,
|
||||
paths: &[&str],
|
||||
) -> impl Future<Output = Result<Option<DefaultBranchFiles>>> + Send;
|
||||
/// The number of commits `head` has that `base` lacks, as the forge's
|
||||
/// compare endpoint counts them: `GET /repos/{owner}/{repo}/compare/
|
||||
/// {base}...{head}`, whose `total_commits` is the commits from the merge
|
||||
/// base of the two to `head`. `None` when either commit is not on the
|
||||
/// forge.
|
||||
///
|
||||
/// ⚠️ Two histories with no common ancestor count 0, the same as a
|
||||
/// `head` already contained in `base`. [`is_strict_descendant`] is the
|
||||
/// reading that tells them apart.
|
||||
fn commits_ahead(
|
||||
&self,
|
||||
owner: &str,
|
||||
repo: &str,
|
||||
base: &str,
|
||||
head: &str,
|
||||
) -> impl Future<Output = Result<Option<u64>>> + Send;
|
||||
fn ensure_meta_repo(&self) -> impl Future<Output = Result<()>> + Send;
|
||||
fn grant_meta_read(&self, login: &str) -> impl Future<Output = Result<()>> + Send;
|
||||
fn commit_meta(
|
||||
|
|
@ -159,6 +194,16 @@ pub(crate) enum Updated {
|
|||
Committed,
|
||||
}
|
||||
|
||||
/// What [`update`] reports.
|
||||
#[derive(Debug, PartialEq, Eq)]
|
||||
pub(crate) struct Report {
|
||||
pub(crate) updated: Updated,
|
||||
/// The commit moved the hyperhive pin from one rev to another, which is
|
||||
/// what the placed agents are rebuilt for. The first commit moves nothing:
|
||||
/// no agent was ever told to build from this repo.
|
||||
pub(crate) hyperhive_moved: bool,
|
||||
}
|
||||
|
||||
/// Bring `internal/meta` up to the forge's current heads for `agents`, and
|
||||
/// give each of `hives`' forge accounts read on it.
|
||||
///
|
||||
|
|
@ -172,7 +217,7 @@ pub(crate) async fn update(
|
|||
settings: &Settings,
|
||||
agents: &[Placed],
|
||||
hives: &[String],
|
||||
) -> Result<Updated> {
|
||||
) -> Result<Report> {
|
||||
forge.ensure_meta_repo().await?;
|
||||
for hive in hives {
|
||||
let login = swarm_secret_client::forge::hive_login(hive);
|
||||
|
|
@ -180,7 +225,6 @@ pub(crate) async fn update(
|
|||
tracing::warn!(%hive, error = %format!("{e:#}"), "meta flake: read grant on internal/meta failed");
|
||||
}
|
||||
}
|
||||
let flake = render(forge, settings, agents).await?;
|
||||
let committed = forge
|
||||
.head_files(
|
||||
crate::forge::objects::SHARED_ORG,
|
||||
|
|
@ -194,8 +238,20 @@ pub(crate) async fn update(
|
|||
.and_then(|c| c.files.iter().find(|f| f.path == path))
|
||||
};
|
||||
let flake_file = sha_of("flake.nix");
|
||||
let pin = hyperhive_pin(
|
||||
forge,
|
||||
settings,
|
||||
flake_file
|
||||
.map(|f| String::from_utf8_lossy(&f.bytes))
|
||||
.as_deref(),
|
||||
)
|
||||
.await?;
|
||||
let flake = render(forge, settings, &pin.rev, agents).await?;
|
||||
if flake_file.is_some_and(|f| f.bytes == flake.as_bytes()) && sha_of("flake.lock").is_some() {
|
||||
return Ok(Updated::Unchanged);
|
||||
return Ok(Report {
|
||||
updated: Updated::Unchanged,
|
||||
hyperhive_moved: false,
|
||||
});
|
||||
}
|
||||
let request = serde_json::to_vec(&LockMeta {
|
||||
flake_nix: flake.clone(),
|
||||
|
|
@ -223,33 +279,116 @@ pub(crate) async fn update(
|
|||
],
|
||||
)
|
||||
.await?;
|
||||
Ok(Updated::Committed)
|
||||
Ok(Report {
|
||||
updated: Updated::Committed,
|
||||
hyperhive_moved: pin.moved,
|
||||
})
|
||||
}
|
||||
|
||||
/// Whether a `push` webhook body moved hyperhive's `main`, which the flake
|
||||
/// pins.
|
||||
pub(crate) fn moves_hyperhive(body: &[u8]) -> bool {
|
||||
let Ok(v) = serde_json::from_slice::<serde_json::Value>(body) else {
|
||||
return false;
|
||||
/// The hyperhive commit the flake pins, and whether that is a move off the
|
||||
/// committed pin.
|
||||
struct HyperhivePin {
|
||||
rev: String,
|
||||
moved: bool,
|
||||
}
|
||||
|
||||
/// The hyperhive pin for the next render, given the committed `flake.nix`
|
||||
/// (`None` before the first commit).
|
||||
///
|
||||
/// - No committed flake: the forge's `main` head, the one time the pin follows
|
||||
/// `main`.
|
||||
/// - Otherwise the committed pin, unless this controller's running rev is a
|
||||
/// strict descendant of it ([`is_strict_descendant`]), which becomes the
|
||||
/// pin. A merge to `main` moves nothing; a controller older than, or on
|
||||
/// another line from, the pin leaves it. A forge that cannot answer the
|
||||
/// comparison leaves it too, and the next update asks again.
|
||||
async fn hyperhive_pin(
|
||||
forge: &impl MetaForge,
|
||||
settings: &Settings,
|
||||
committed_flake: Option<&str>,
|
||||
) -> Result<HyperhivePin> {
|
||||
let Some(flake) = committed_flake else {
|
||||
let head = forge
|
||||
.head_files(HYPERHIVE_OWNER, HYPERHIVE_REPO, &[])
|
||||
.await?
|
||||
.with_context(|| format!("{HYPERHIVE_OWNER}/{HYPERHIVE_REPO} is empty or absent"))?;
|
||||
return Ok(HyperhivePin {
|
||||
rev: head.commit,
|
||||
moved: false,
|
||||
});
|
||||
};
|
||||
let repo = v
|
||||
.get("repository")
|
||||
.and_then(|r| r.get("full_name"))
|
||||
.and_then(serde_json::Value::as_str);
|
||||
let git_ref = v.get("ref").and_then(serde_json::Value::as_str);
|
||||
repo == Some(&format!("{HYPERHIVE_OWNER}/{HYPERHIVE_REPO}"))
|
||||
&& git_ref == Some("refs/heads/main")
|
||||
let pinned = hive_meta_flake::pinned_rev(flake, "hyperhive")
|
||||
.context("the committed internal/meta/flake.nix pins no hyperhive commit")?;
|
||||
let keep = || HyperhivePin {
|
||||
rev: pinned.to_owned(),
|
||||
moved: false,
|
||||
};
|
||||
let Some(running) = settings.hyperhive_rev.as_deref() else {
|
||||
tracing::info!(%pinned, "meta flake: this controller has no rev; keeping the hyperhive pin");
|
||||
return Ok(keep());
|
||||
};
|
||||
match is_strict_descendant(forge, HYPERHIVE_OWNER, HYPERHIVE_REPO, pinned, running).await {
|
||||
Ok(true) => {
|
||||
tracing::info!(%pinned, %running, "meta flake: moving the hyperhive pin to this controller's rev");
|
||||
Ok(HyperhivePin {
|
||||
rev: running.to_owned(),
|
||||
moved: true,
|
||||
})
|
||||
}
|
||||
Ok(false) => {
|
||||
tracing::info!(%pinned, %running, "meta flake: this controller's rev is not newer than the hyperhive pin; keeping it");
|
||||
Ok(keep())
|
||||
}
|
||||
Err(e) => {
|
||||
tracing::warn!(%pinned, %running, error = %format!("{e:#}"), "meta flake: cannot compare this controller's rev with the hyperhive pin; keeping it");
|
||||
Ok(keep())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// The `flake.nix` for `agents` at the forge's current heads.
|
||||
async fn render(forge: &impl MetaForge, settings: &Settings, agents: &[Placed]) -> Result<String> {
|
||||
let hyperhive = forge
|
||||
.head_files(HYPERHIVE_OWNER, HYPERHIVE_REPO, &[])
|
||||
/// Whether `descendant` is a commit of `owner/repo` strictly after `ancestor`:
|
||||
/// it has commits `ancestor` lacks ([`MetaForge::commits_ahead`]) and
|
||||
/// `ancestor` has none it lacks. Equal commits, a `descendant` that is behind,
|
||||
/// histories that diverged and histories with nothing in common are all
|
||||
/// `false`; a commit the forge does not have is too.
|
||||
async fn is_strict_descendant(
|
||||
forge: &impl MetaForge,
|
||||
owner: &str,
|
||||
repo: &str,
|
||||
ancestor: &str,
|
||||
descendant: &str,
|
||||
) -> Result<bool> {
|
||||
if ancestor == descendant {
|
||||
return Ok(false);
|
||||
}
|
||||
// Unrelated histories also count 0, so a zero here is `false` whatever
|
||||
// the other side says.
|
||||
let Some(ahead) = forge
|
||||
.commits_ahead(owner, repo, ancestor, descendant)
|
||||
.await?
|
||||
.with_context(|| format!("{HYPERHIVE_OWNER}/{HYPERHIVE_REPO} is empty or absent"))?;
|
||||
else {
|
||||
return Ok(false);
|
||||
};
|
||||
if ahead == 0 {
|
||||
return Ok(false);
|
||||
}
|
||||
let behind = forge
|
||||
.commits_ahead(owner, repo, descendant, ancestor)
|
||||
.await?;
|
||||
Ok(behind == Some(0))
|
||||
}
|
||||
|
||||
/// The `flake.nix` for `agents` at the forge's current config heads, with
|
||||
/// hyperhive at `hyperhive_rev`.
|
||||
async fn render(
|
||||
forge: &impl MetaForge,
|
||||
settings: &Settings,
|
||||
hyperhive_rev: &str,
|
||||
agents: &[Placed],
|
||||
) -> Result<String> {
|
||||
let hyperhive_url = hive_meta_flake::pinned_git_url(
|
||||
&settings.git_url(HYPERHIVE_OWNER, HYPERHIVE_REPO),
|
||||
Some(&hyperhive.commit),
|
||||
Some(hyperhive_rev),
|
||||
)?;
|
||||
let mut specs = Vec::with_capacity(agents.len());
|
||||
for agent in agents {
|
||||
|
|
@ -298,6 +437,7 @@ async fn render(forge: &impl MetaForge, settings: &Settings, agents: &[Placed])
|
|||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use std::collections::BTreeSet;
|
||||
use std::sync::Mutex;
|
||||
|
||||
use super::*;
|
||||
|
|
@ -305,13 +445,38 @@ mod tests {
|
|||
|
||||
const FORGE: &str = "https://forge.t.local";
|
||||
|
||||
fn settings() -> Settings {
|
||||
/// A full commit id made of one hex digit.
|
||||
fn rev(digit: char) -> String {
|
||||
digit.to_string().repeat(40)
|
||||
}
|
||||
|
||||
/// The hyperhive history the fake forge knows: `1 <- 2 <- 3`, `2 <- 4`
|
||||
/// (4 diverged from 3) and `9` on its own. `8` is not on the forge.
|
||||
fn history() -> BTreeMap<String, Vec<String>> {
|
||||
[
|
||||
('1', vec![]),
|
||||
('2', vec!['1']),
|
||||
('3', vec!['2']),
|
||||
('4', vec!['2']),
|
||||
('9', vec![]),
|
||||
]
|
||||
.into_iter()
|
||||
.map(|(c, parents)| (rev(c), parents.into_iter().map(rev).collect()))
|
||||
.collect()
|
||||
}
|
||||
|
||||
fn settings_running(running: Option<&str>) -> Settings {
|
||||
let running = running.map_or("null".to_owned(), |r| format!("\"{r}\""));
|
||||
Settings::parse(&format!(
|
||||
r#"{{"vars":{{"HIVE_FORGE_URL":"http://forge.t.local","HYPERHIVE_SWARM_NAME":"t"}},"git_base":"{FORGE}/","github_disabled":true}}"#
|
||||
r#"{{"vars":{{"HIVE_FORGE_URL":"http://forge.t.local","HYPERHIVE_SWARM_NAME":"t"}},"git_base":"{FORGE}/","github_disabled":true,"hyperhive_rev":{running}}}"#
|
||||
))
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
fn settings() -> Settings {
|
||||
settings_running(None)
|
||||
}
|
||||
|
||||
fn head(commit: &str, files: &[(&str, &str)]) -> DefaultBranchFiles {
|
||||
DefaultBranchFiles {
|
||||
branch: "main".to_owned(),
|
||||
|
|
@ -336,6 +501,28 @@ mod tests {
|
|||
repos: BTreeMap<String, DefaultBranchFiles>,
|
||||
commits: Mutex<Vec<Commit>>,
|
||||
grants: Mutex<Vec<String>>,
|
||||
/// Hyperhive's commits and their parents.
|
||||
history: BTreeMap<String, Vec<String>>,
|
||||
/// Every compare asked, as `(base, head)`.
|
||||
compares: Mutex<Vec<(String, String)>>,
|
||||
/// Every compare fails, as a forge that is down does.
|
||||
compare_fails: bool,
|
||||
}
|
||||
|
||||
impl FakeForge {
|
||||
/// `commit` and everything it descends from; `None` for a commit not
|
||||
/// on the forge.
|
||||
fn ancestry(&self, commit: &str) -> Option<BTreeSet<String>> {
|
||||
self.history.get(commit)?;
|
||||
let mut seen = BTreeSet::new();
|
||||
let mut todo = vec![commit.to_owned()];
|
||||
while let Some(c) = todo.pop() {
|
||||
if seen.insert(c.clone()) {
|
||||
todo.extend(self.history.get(&c).cloned().unwrap_or_default());
|
||||
}
|
||||
}
|
||||
Some(seen)
|
||||
}
|
||||
}
|
||||
|
||||
impl MetaForge for FakeForge {
|
||||
|
|
@ -351,6 +538,31 @@ mod tests {
|
|||
h
|
||||
}))
|
||||
}
|
||||
/// Forgejo's `GetCompareInfo` for `base...head`: the commits `head`
|
||||
/// has beyond the merge base, and none at all when the two share no
|
||||
/// ancestor.
|
||||
async fn commits_ahead(
|
||||
&self,
|
||||
_owner: &str,
|
||||
_repo: &str,
|
||||
base: &str,
|
||||
head: &str,
|
||||
) -> Result<Option<u64>> {
|
||||
self.compares
|
||||
.lock()
|
||||
.unwrap()
|
||||
.push((base.to_owned(), head.to_owned()));
|
||||
if self.compare_fails {
|
||||
bail!("the forge is down");
|
||||
}
|
||||
let (Some(base), Some(head)) = (self.ancestry(base), self.ancestry(head)) else {
|
||||
return Ok(None);
|
||||
};
|
||||
if base.is_disjoint(&head) {
|
||||
return Ok(Some(0));
|
||||
}
|
||||
Ok(Some(head.difference(&base).count() as u64))
|
||||
}
|
||||
async fn ensure_meta_repo(&self) -> Result<()> {
|
||||
Ok(())
|
||||
}
|
||||
|
|
@ -395,9 +607,10 @@ mod tests {
|
|||
}
|
||||
}
|
||||
|
||||
/// A forge whose hyperhive `main` is at commit `1`, with no `internal/meta`.
|
||||
fn forge_with(extra: &[(&str, DefaultBranchFiles)]) -> FakeForge {
|
||||
let mut repos = BTreeMap::new();
|
||||
repos.insert("hyperhive/hyperhive".to_owned(), head("hh0", &[]));
|
||||
repos.insert("hyperhive/hyperhive".to_owned(), head(&rev('1'), &[]));
|
||||
repos.insert(
|
||||
"agent-configs/argus".to_owned(),
|
||||
head(
|
||||
|
|
@ -413,10 +626,23 @@ mod tests {
|
|||
}
|
||||
FakeForge {
|
||||
repos,
|
||||
history: history(),
|
||||
..FakeForge::default()
|
||||
}
|
||||
}
|
||||
|
||||
/// A forge with `internal/meta` committed, pinning hyperhive at `pin`.
|
||||
async fn forge_pinned_at(pin: &str) -> FakeForge {
|
||||
let base = forge_with(&[]);
|
||||
let flake = render(&base, &settings(), pin, &argus_and_reviewer())
|
||||
.await
|
||||
.unwrap();
|
||||
forge_with(&[(
|
||||
"internal/meta",
|
||||
head("m1", &[("flake.nix", &flake), ("flake.lock", "{}")]),
|
||||
)])
|
||||
}
|
||||
|
||||
fn argus_and_reviewer() -> Vec<Placed> {
|
||||
vec![
|
||||
Placed {
|
||||
|
|
@ -433,6 +659,23 @@ mod tests {
|
|||
]
|
||||
}
|
||||
|
||||
/// The hyperhive commit the one lock sent to `locker` pins.
|
||||
fn locked_pin(locker: &FakeLocker) -> String {
|
||||
let sent = locker.sent.lock().unwrap();
|
||||
let [flake] = sent.as_slice() else {
|
||||
panic!("one lock: {sent:?}")
|
||||
};
|
||||
hive_meta_flake::pinned_rev(flake, "hyperhive")
|
||||
.expect("a hyperhive pin")
|
||||
.to_owned()
|
||||
}
|
||||
|
||||
async fn run(forge: &FakeForge, locker: &FakeLocker, settings: &Settings) -> Report {
|
||||
update(forge, locker, settings, &argus_and_reviewer(), &[])
|
||||
.await
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn a_new_render_is_locked_and_committed_with_its_lock_in_one_commit() {
|
||||
let forge = forge_with(&[]);
|
||||
|
|
@ -446,19 +689,29 @@ mod tests {
|
|||
)
|
||||
.await
|
||||
.unwrap();
|
||||
assert_eq!(got, Updated::Committed);
|
||||
assert_eq!(
|
||||
got,
|
||||
Report {
|
||||
updated: Updated::Committed,
|
||||
hyperhive_moved: false
|
||||
}
|
||||
);
|
||||
let sent = locker.sent.lock().unwrap();
|
||||
let [flake] = sent.as_slice() else {
|
||||
panic!("one lock: {sent:?}")
|
||||
};
|
||||
assert!(flake.contains(&format!(
|
||||
"hyperhive.url = \"git+{FORGE}/hyperhive/hyperhive.git?rev=hh0\";"
|
||||
"hyperhive.url = \"git+{FORGE}/hyperhive/hyperhive.git?rev={}\";",
|
||||
rev('1')
|
||||
)));
|
||||
assert!(flake.contains(&format!(
|
||||
"agent-argus.url = \"git+{FORGE}/agent-configs/argus.git?rev=a1\";"
|
||||
)));
|
||||
assert!(flake.contains("agent-argus.inputs.nixpkgs.follows = \"nixpkgs\";"));
|
||||
assert!(!flake.contains("agent-rev.url"), "an archetype agent has no input");
|
||||
assert!(
|
||||
!flake.contains("agent-rev.url"),
|
||||
"an archetype agent has no input"
|
||||
);
|
||||
assert!(flake.contains("services.hyperhive.agent.github.enable = false;"));
|
||||
assert!(flake.contains("HYPERHIVE_SWARM_NAME = \"t\";"));
|
||||
let commits = forge.commits.lock().unwrap();
|
||||
|
|
@ -480,35 +733,25 @@ mod tests {
|
|||
|
||||
#[tokio::test]
|
||||
async fn an_unchanged_render_sends_no_lock_and_commits_nothing() {
|
||||
let first = forge_with(&[]);
|
||||
let forge = forge_pinned_at(&rev('1')).await;
|
||||
let locker = FakeLocker::locked();
|
||||
update(&first, &locker, &settings(), &argus_and_reviewer(), &[])
|
||||
.await
|
||||
.unwrap();
|
||||
let flake = locker.sent.lock().unwrap()[0].clone();
|
||||
let forge = forge_with(&[(
|
||||
"internal/meta",
|
||||
head("m1", &[("flake.nix", &flake), ("flake.lock", "{}")]),
|
||||
)]);
|
||||
let locker = FakeLocker::locked();
|
||||
let got = update(&forge, &locker, &settings(), &argus_and_reviewer(), &[])
|
||||
.await
|
||||
.unwrap();
|
||||
assert_eq!(got, Updated::Unchanged);
|
||||
let got = run(&forge, &locker, &settings()).await;
|
||||
assert_eq!(got.updated, Updated::Unchanged);
|
||||
assert!(!got.hyperhive_moved);
|
||||
assert!(locker.sent.lock().unwrap().is_empty());
|
||||
assert!(forge.commits.lock().unwrap().is_empty());
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn a_moved_head_replaces_both_committed_blobs() {
|
||||
async fn a_moved_config_head_replaces_both_committed_blobs() {
|
||||
let base = forge_with(&[]);
|
||||
let old = render(&base, &settings(), &rev('1'), &[]).await.unwrap();
|
||||
let forge = forge_with(&[(
|
||||
"internal/meta",
|
||||
head("m1", &[("flake.nix", "old"), ("flake.lock", "{}")]),
|
||||
head("m1", &[("flake.nix", &old), ("flake.lock", "{}")]),
|
||||
)]);
|
||||
let locker = FakeLocker::locked();
|
||||
update(&forge, &locker, &settings(), &argus_and_reviewer(), &[])
|
||||
.await
|
||||
.unwrap();
|
||||
run(&forge, &locker, &settings()).await;
|
||||
let commits = forge.commits.lock().unwrap();
|
||||
let shas: Vec<_> = commits[0].1.iter().map(|(_, _, sha)| sha.clone()).collect();
|
||||
assert_eq!(
|
||||
|
|
@ -550,34 +793,179 @@ mod tests {
|
|||
assert!(forge.commits.lock().unwrap().is_empty());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn only_a_push_to_hyperhive_main_moves_the_pin() {
|
||||
let push = |repo: &str, git_ref: &str| {
|
||||
serde_json::to_vec(&serde_json::json!({
|
||||
"ref": git_ref,
|
||||
"repository": { "full_name": repo },
|
||||
"commits": [],
|
||||
}))
|
||||
.unwrap()
|
||||
#[tokio::test]
|
||||
async fn the_first_commit_pins_the_forge_main_head_whatever_the_controller_runs() {
|
||||
let forge = forge_with(&[]);
|
||||
let locker = FakeLocker::locked();
|
||||
let got = run(&forge, &locker, &settings_running(Some(&rev('3')))).await;
|
||||
assert_eq!(locked_pin(&locker), rev('1'));
|
||||
assert!(
|
||||
!got.hyperhive_moved,
|
||||
"no agent was told to build from it yet"
|
||||
);
|
||||
assert!(
|
||||
forge.compares.lock().unwrap().is_empty(),
|
||||
"nothing to compare with before the first commit"
|
||||
);
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn a_controller_on_a_descendant_moves_the_pin_and_says_so() {
|
||||
let forge = forge_pinned_at(&rev('2')).await;
|
||||
let locker = FakeLocker::locked();
|
||||
let got = run(&forge, &locker, &settings_running(Some(&rev('3')))).await;
|
||||
assert_eq!(locked_pin(&locker), rev('3'));
|
||||
assert_eq!(
|
||||
got,
|
||||
Report {
|
||||
updated: Updated::Committed,
|
||||
hyperhive_moved: true
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
/// Each running rev that must not move its pin; the control is the test
|
||||
/// above, where a descendant does.
|
||||
#[tokio::test]
|
||||
async fn a_controller_that_is_not_strictly_newer_leaves_the_pin() {
|
||||
for (name, pin, running) in [
|
||||
("the same commit", rev('2'), rev('2')),
|
||||
("an ancestor", rev('2'), rev('1')),
|
||||
("a diverged commit", rev('3'), rev('4')),
|
||||
("an unrelated history", rev('2'), rev('9')),
|
||||
("a commit the forge lacks", rev('2'), rev('8')),
|
||||
] {
|
||||
let forge = forge_pinned_at(&pin).await;
|
||||
let locker = FakeLocker::locked();
|
||||
let got = run(&forge, &locker, &settings_running(Some(&running))).await;
|
||||
assert_eq!(got.updated, Updated::Unchanged, "{name}");
|
||||
assert!(!got.hyperhive_moved, "{name}");
|
||||
assert!(locker.sent.lock().unwrap().is_empty(), "{name}");
|
||||
assert!(forge.commits.lock().unwrap().is_empty(), "{name}");
|
||||
}
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn a_merge_to_hyperhive_main_does_not_move_the_pin() {
|
||||
let mut forge = forge_pinned_at(&rev('2')).await;
|
||||
forge
|
||||
.repos
|
||||
.insert("hyperhive/hyperhive".to_owned(), head(&rev('3'), &[]));
|
||||
let locker = FakeLocker::locked();
|
||||
let got = run(&forge, &locker, &settings_running(Some(&rev('2')))).await;
|
||||
assert_eq!(got.updated, Updated::Unchanged);
|
||||
assert!(forge.commits.lock().unwrap().is_empty());
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn a_controller_without_a_rev_keeps_the_pin_and_asks_nothing() {
|
||||
let forge = forge_pinned_at(&rev('2')).await;
|
||||
let locker = FakeLocker::locked();
|
||||
let got = run(&forge, &locker, &settings()).await;
|
||||
assert_eq!(got.updated, Updated::Unchanged);
|
||||
assert!(forge.compares.lock().unwrap().is_empty());
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn a_forge_that_cannot_compare_keeps_the_pin_and_still_commits_the_rest() {
|
||||
let mut forge = forge_pinned_at(&rev('2')).await;
|
||||
forge.compare_fails = true;
|
||||
// A new agent makes the render differ from the committed flake.
|
||||
let mut agents = argus_and_reviewer();
|
||||
agents.push(Placed {
|
||||
name: "newcomer".to_owned(),
|
||||
archetype: Some(ArchetypeRef {
|
||||
source: "hyperhive".to_owned(),
|
||||
name: "reviewer".to_owned(),
|
||||
}),
|
||||
});
|
||||
let locker = FakeLocker::locked();
|
||||
let got = update(
|
||||
&forge,
|
||||
&locker,
|
||||
&settings_running(Some(&rev('3'))),
|
||||
&agents,
|
||||
&[],
|
||||
)
|
||||
.await
|
||||
.unwrap();
|
||||
assert_eq!(locked_pin(&locker), rev('2'));
|
||||
assert!(!got.hyperhive_moved);
|
||||
assert_eq!(got.updated, Updated::Committed);
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn a_committed_flake_without_a_hyperhive_pin_is_an_error_not_a_first_commit() {
|
||||
let forge = forge_with(&[(
|
||||
"internal/meta",
|
||||
head("m1", &[("flake.nix", "{ }"), ("flake.lock", "{}")]),
|
||||
)]);
|
||||
let err = update(&forge, &FakeLocker::locked(), &settings(), &[], &[])
|
||||
.await
|
||||
.unwrap_err();
|
||||
assert!(format!("{err:#}").contains("pins no hyperhive commit"));
|
||||
}
|
||||
|
||||
/// The fake is Forgejo's `GetCompareInfo`, so the descendant test rests
|
||||
/// on these: a `base...head` count of 0 is both "head is contained in
|
||||
/// base" and "no common ancestor", and only the reverse count tells a
|
||||
/// divergence from a descendant.
|
||||
#[tokio::test]
|
||||
async fn descent_needs_commits_ahead_one_way_and_none_the_other() {
|
||||
let forge = forge_with(&[]);
|
||||
let ahead = |base: char, head: char| {
|
||||
let forge = &forge;
|
||||
async move {
|
||||
forge
|
||||
.commits_ahead("o", "r", &rev(base), &rev(head))
|
||||
.await
|
||||
.unwrap()
|
||||
}
|
||||
};
|
||||
assert!(moves_hyperhive(&push("hyperhive/hyperhive", "refs/heads/main")));
|
||||
assert!(!moves_hyperhive(&push("hyperhive/hyperhive", "refs/heads/x")));
|
||||
assert!(!moves_hyperhive(&push("agents/foo", "refs/heads/main")));
|
||||
assert!(!moves_hyperhive(b"not json"));
|
||||
assert_eq!(ahead('2', '3').await, Some(1));
|
||||
assert_eq!(ahead('1', '3').await, Some(2));
|
||||
assert_eq!(ahead('3', '2').await, Some(0), "contained in base");
|
||||
assert_eq!(ahead('2', '9').await, Some(0), "no common ancestor");
|
||||
assert_eq!(ahead('3', '4').await, Some(1), "diverged: both ways");
|
||||
assert_eq!(ahead('4', '3').await, Some(1), "diverged: both ways");
|
||||
assert_eq!(ahead('2', '8').await, None);
|
||||
let descends = |ancestor: char, descendant: char| {
|
||||
let forge = &forge;
|
||||
async move {
|
||||
is_strict_descendant(forge, "o", "r", &rev(ancestor), &rev(descendant))
|
||||
.await
|
||||
.unwrap()
|
||||
}
|
||||
};
|
||||
assert!(descends('2', '3').await);
|
||||
assert!(descends('1', '3').await);
|
||||
assert!(!descends('3', '2').await);
|
||||
assert!(!descends('2', '2').await);
|
||||
assert!(!descends('3', '4').await);
|
||||
assert!(!descends('2', '9').await, "unrelated histories");
|
||||
assert!(!descends('2', '8').await);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn settings_refuse_an_unknown_value_a_missing_forge_and_a_plain_http_base() {
|
||||
let parse = |vars: &str, git_base: &str| {
|
||||
fn settings_refuse_an_unknown_value_a_missing_forge_a_plain_http_base_and_a_short_rev() {
|
||||
let parse = |vars: &str, git_base: &str, rev: &str| {
|
||||
Settings::parse(&format!(
|
||||
r#"{{"vars":{vars},"git_base":"{git_base}","github_disabled":false}}"#
|
||||
r#"{{"vars":{vars},"git_base":"{git_base}","github_disabled":false,"hyperhive_rev":{rev}}}"#
|
||||
))
|
||||
};
|
||||
assert!(parse(r#"{"HIVE_FORGE_URL":"x"}"#, "https://f").is_ok());
|
||||
let unknown = parse(r#"{"HIVE_FORGE_URL":"x","HIVE_AGENT_NATS_URL":"y"}"#, "https://f")
|
||||
.unwrap_err();
|
||||
let ok = r#"{"HIVE_FORGE_URL":"x"}"#;
|
||||
assert!(parse(ok, "https://f", "null").is_ok());
|
||||
let full = format!("\"{}\"", rev('a'));
|
||||
assert!(parse(ok, "https://f", &full).is_ok());
|
||||
let unknown = parse(
|
||||
r#"{"HIVE_FORGE_URL":"x","HIVE_AGENT_NATS_URL":"y"}"#,
|
||||
"https://f",
|
||||
"null",
|
||||
)
|
||||
.unwrap_err();
|
||||
assert!(format!("{unknown:#}").contains("HIVE_AGENT_NATS_URL"));
|
||||
assert!(parse("{}", "https://f").is_err());
|
||||
assert!(parse(r#"{"HIVE_FORGE_URL":"x"}"#, "http://f").is_err());
|
||||
assert!(parse("{}", "https://f", "null").is_err());
|
||||
assert!(parse(ok, "http://f", "null").is_err());
|
||||
assert!(parse(ok, "https://f", "\"main\"").is_err());
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -285,8 +285,9 @@ fn spawn_forge_workers(
|
|||
auth: Option<Arc<auth::AuthBridge>>,
|
||||
queue: Option<async_nats::Client>,
|
||||
) {
|
||||
// `internal/meta` appears, and catches up with every head that moved while
|
||||
// this daemon was down.
|
||||
// `internal/meta` appears, catches up with every config head that moved
|
||||
// while this daemon was down, and takes this daemon's rev as the hyperhive
|
||||
// pin when that is newer.
|
||||
if let Err(e) = crate::jobq::queue_meta_update(jobq) {
|
||||
tracing::warn!(error = %format!("{e:#}"), "update_meta: queueing failed");
|
||||
}
|
||||
|
|
|
|||
|
|
@ -443,11 +443,6 @@ pub(super) async fn post_webhook_forge(
|
|||
}
|
||||
}
|
||||
DeliveryKind::VcsActivity => {
|
||||
if crate::meta_flake::moves_hyperhive(&body)
|
||||
&& let Err(e) = crate::jobq::queue_meta_update(&state.jobq)
|
||||
{
|
||||
tracing::warn!(error = %format!("{e:#}"), "webhook: queueing update_meta failed");
|
||||
}
|
||||
if let Some(activity) = crate::vcs_metrics::parse_push(&body) {
|
||||
crate::vcs_metrics::record_push(&activity);
|
||||
} else {
|
||||
|
|
|
|||
Loading…
Reference in a new issue