crates/hub/src/db/runners.rs at v0.6.1 · andymccall/oxygenhub

◆ v0.6.1 oxygenhub / crates / hub / src / db / runners.rs

16.1 KiB · Rust · last changed Runners: Connectivity and Status apart, a heartbeat, a filterable queue 19 days ago source blame history raw

//! OxygenFlow runners (hub spec §13.2): who may claim jobs, what they are,
//! whether they are taking work, and what they have run.

use super::{now_ms, Pool};
use sqlx::FromRow;

#[derive(Clone, Debug, Default, FromRow)]
pub struct Runner {
    pub id: i64,
    pub name: String,
    pub token_hash: String,
    pub source: String,
    pub key: String,
    pub key_name: String,
    pub arch: String,
    pub os: String,
    pub version: String,
    pub labels: String,
    pub max_jobs: i64,
    pub memory_mib: Option<i64>,
    pub cpus: Option<i64>,
    pub state: String,
    pub created_ms: i64,
    pub created_by: String,
    pub last_seen_ms: Option<i64>,
    /// The owner whose repositories it serves; empty for the whole site.
    pub scope_owner: String,
    /// The one repository it serves, when it serves one.
    pub scope_repo_id: Option<i64>,
    /// Labels an administrator gave it, beside those it reports (#98).
    pub admin_labels: String,
    /// A time limit for its jobs in minutes, below the site's, when set.
    pub timeout_minutes: Option<i64>,
    /// It fetches images it lacks from the hub (oxygenflow#39).
    pub fetches_images: bool,
    /// What it measured at its last claim (oxygenflow#40): free disk (MiB),
    /// the 1-minute load ×100, its speed score and class, its kernel.
    pub free_disk_mib: Option<i64>,
    pub load_x100: Option<i64>,
    pub speed: Option<i64>,
    pub speed_class: Option<i64>,
    pub kernel: String,
    /// The tiers it offered at its last claim, comma-separated.
    pub tiers: String,
    /// The images it held then (a JSON array); empty when it did not say.
    pub images: String,
    /// BLAKE3 of what it offers; its declines hold until this changes.
    pub profile: String,
}

/// Which repositories' jobs a runner may take (oxygenhub#41).
#[derive(Clone, Debug, Default, PartialEq, Eq)]
pub struct Scope {
    /// Empty: any owner.
    pub owner: String,
    /// `None`: any of the owner's repositories.
    pub repo_id: Option<i64>,
}

impl Scope {
    pub fn is_site(&self) -> bool {
        self.owner.is_empty() && self.repo_id.is_none()
    }
}

/// A runner that has not polled for this long is shown offline.
pub const ONLINE_MS: i64 = 90_000;

impl Runner {
    pub fn online(&self) -> bool {
        self.last_seen_ms.is_some_and(|t| now_ms() - t < ONLINE_MS)
    }

    /// Whether the hub has heard from it lately (oxygenhub#243): any call it
    /// makes counts, a busy runner's heartbeat included.
    pub fn connectivity(&self) -> &'static str {
        if self.online() {
            "online"
        } else {
            "offline"
        }
    }

    /// `online`, `offline`, `draining` or `disabled`.
    pub fn status(&self) -> &'static str {
        match self.state.as_str() {
            "disabled" => "disabled",
            "draining" => "draining",
            _ if self.online() => "online",
            _ => "offline",
        }
    }

    /// Every label it carries: what it reports, and what an administrator
    /// gave it.
    pub fn label_list(&self) -> Vec<&str> {
        let mut out: Vec<&str> = self.labels.split(',').filter(|l| !l.is_empty()).collect();
        for l in self.admin_label_list() {
            if !out.contains(&l) {
                out.push(l);
            }
        }
        out
    }

    pub fn admin_label_list(&self) -> Vec<&str> {
        self.admin_labels.split(',').filter(|l| !l.is_empty()).collect()
    }

    /// The labels it reported itself, as the admin page distinguishes them.
    pub fn reported_label_list(&self) -> Vec<&str> {
        self.labels.split(',').filter(|l| !l.is_empty()).collect()
    }

    pub fn scope(&self) -> Scope {
        Scope { owner: self.scope_owner.clone(), repo_id: self.scope_repo_id }
    }
}

pub async fn by_token(pool: &Pool, token_hash: &str) -> sqlx::Result<Option<Runner>> {
    sqlx::query_as("SELECT * FROM flow_runners WHERE token_hash = $1").bind(token_hash).fetch_optional(pool).await
}

pub async fn get(pool: &Pool, id: i64) -> sqlx::Result<Option<Runner>> {
    sqlx::query_as("SELECT * FROM flow_runners WHERE id = $1").bind(id).fetch_optional(pool).await
}

pub async fn list(pool: &Pool) -> sqlx::Result<Vec<Runner>> {
    sqlx::query_as("SELECT * FROM flow_runners ORDER BY name, id").fetch_all(pool).await
}

/// The row of a runner configured with a hub.toml token, made on first sight.
pub async fn configured(pool: &Pool, token_hash: &str, name: &str) -> sqlx::Result<Runner> {
    sqlx::query("INSERT INTO flow_runners (name, token_hash, source, created_ms) VALUES ($1, $2, 'config', $3) ON CONFLICT DO NOTHING")
        .bind(name)
        .bind(token_hash)
        .bind(now_ms())
        .execute(pool)
        .await?;
    Ok(by_token(pool, token_hash).await?.expect("just made"))
}

/// What a claim says about the runner, and that it was seen now. A
/// configured runner takes the name it claims with.
/// The administrator's settings for a runner (#98).
pub async fn set_limits(pool: &Pool, id: i64, admin_labels: &str, timeout_minutes: Option<i64>) -> sqlx::Result<()> {
    sqlx::query("UPDATE flow_runners SET admin_labels = $1, timeout_minutes = $2 WHERE id = $3")
        .bind(admin_labels)
        .bind(timeout_minutes)
        .bind(id)
        .execute(pool)
        .await?;
    Ok(())
}

pub async fn seen(pool: &Pool, id: i64, name: Option<&str>, info: Option<&flow_core::api::RunnerInfo>) -> sqlx::Result<()> {
    let now = now_ms();
    match info {
        Some(i) => {
            sqlx::query(
                "UPDATE flow_runners SET arch = $1, os = $2, version = $3, labels = $4, max_jobs = $5, memory_mib = $6, cpus = $7, last_seen_ms = $8 WHERE id = $9",
            )
            .bind(&i.arch)
            .bind(&i.os)
            .bind(&i.version)
            .bind(i.labels.join(","))
            .bind(i.max_jobs as i64)
            .bind(i.memory_mib.map(i64::from))
            .bind(i.cpus.map(i64::from))
            .bind(now)
            .bind(id)
            .execute(pool)
            .await?;
        }
        None => {
            sqlx::query("UPDATE flow_runners SET last_seen_ms = $1 WHERE id = $2").bind(now).bind(id).execute(pool).await?;
        }
    }
    if let Some(n) = name {
        sqlx::query("UPDATE flow_runners SET name = $1 WHERE id = $2 AND source = 'config'").bind(n).bind(id).execute(pool).await?;
    }
    Ok(())
}

/// Keep what a runner measured about itself at a claim (oxygenflow#40).
pub async fn set_facts(pool: &Pool, id: i64, f: &flow_core::api::Facts) -> sqlx::Result<()> {
    sqlx::query("UPDATE flow_runners SET free_disk_mib = $1, load_x100 = $2, speed = $3, speed_class = $4, kernel = $5 WHERE id = $6")
        .bind(f.free_disk_mib.map(|v| v.min(i64::MAX as u64) as i64))
        .bind(f.load_x100.map(i64::from))
        .bind(f.speed.map(i64::from))
        .bind(f.speed_class.map(i64::from))
        .bind(f.kernel.clone().unwrap_or_default())
        .bind(id)
        .execute(pool)
        .await?;
    Ok(())
}

impl Runner {
    /// Its facts as words for the Runners page: "speed 100 (class 3) · load
    /// 1.12 · 41 GiB free"; empty when it has sent none.
    pub fn facts_line(&self) -> String {
        let mut out = Vec::new();
        if let Some(s) = self.speed {
            out.push(format!("speed {s} (class {})", self.speed_class.unwrap_or(0)));
        }
        if let Some(l) = self.load_x100 {
            out.push(format!("load {:.2}", l as f64 / 100.0));
        }
        if let Some(d) = self.free_disk_mib {
            out.push(if d >= 1024 { format!("{} GiB free", d / 1024) } else { format!("{d} MiB free") });
        }
        out.join(" · ")
    }
}

/// What a runner offers at a claim (OxygenFlow spec §11.1): its tiers and
/// images, and the profile hash over those, its architecture, labels and
/// capacity.
pub async fn set_offer(
    pool: &Pool,
    id: i64,
    tiers: &[String],
    images: Option<&[String]>,
    fetches_images: bool,
    profile: &str,
) -> sqlx::Result<()> {
    let images = images.map(|i| serde_json::to_string(i).unwrap_or_default()).unwrap_or_default();
    sqlx::query("UPDATE flow_runners SET tiers = $1, images = $2, fetches_images = $3, profile = $4 WHERE id = $5")
        .bind(tiers.join(","))
        .bind(images)
        .bind(fetches_images)
        .bind(profile)
        .bind(id)
        .execute(pool)
        .await?;
    Ok(())
}

impl Runner {
    pub fn tier_list(&self) -> Vec<&str> {
        self.tiers.split(',').filter(|t| !t.is_empty()).collect()
    }

    /// The images it holds, `None` when it does not say.
    pub fn image_list(&self) -> Option<Vec<String>> {
        if self.images.is_empty() {
            None
        } else {
            serde_json::from_str(&self.images).ok()
        }
    }
}

pub async fn set_state(pool: &Pool, id: i64, state: &str) -> sqlx::Result<()> {
    sqlx::query("UPDATE flow_runners SET state = $1, state_ms = $2 WHERE id = $3")
        .bind(state)
        .bind(super::now_ms())
        .bind(id)
        .execute(pool)
        .await?;
    Ok(())
}

/// Whether runner `id`'s last `n` jobs since its state last changed all
/// ended in an infrastructure error (oxygenflow#30), with the last one's.
pub async fn erroring(pool: &Pool, id: i64, n: u32) -> sqlx::Result<Option<String>> {
    if n == 0 {
        return Ok(None);
    }
    let last: Vec<(String, String)> = sqlx::query_as(
        "SELECT j.status, j.error FROM flow_jobs j JOIN flow_runners r ON r.id = j.runner_id
         WHERE j.runner_id = $1 AND j.finished_ms IS NOT NULL AND j.finished_ms >= r.state_ms
         ORDER BY j.finished_ms DESC, j.id DESC LIMIT $2",
    )
    .bind(id)
    .bind(n as i64)
    .fetch_all(pool)
    .await?;
    Ok((last.len() == n as usize && last.iter().all(|(s, _)| s == "error")).then(|| last[0].1.clone()))
}

/// Forget a runner: its credential stops working. Its jobs keep its name.
pub async fn remove(pool: &Pool, id: i64) -> sqlx::Result<()> {
    sqlx::query("DELETE FROM flow_runners WHERE id = $1").bind(id).execute(pool).await?;
    Ok(())
}

/// The key a runner signs receipts with: the one bound, or `key` (named
/// `name`) when none is yet.
pub async fn bind_key(pool: &Pool, id: i64, key: &str, name: &str) -> sqlx::Result<String> {
    sqlx::query("UPDATE flow_runners SET key = $1, key_name = $2 WHERE id = $3 AND key = ''")
        .bind(key)
        .bind(name)
        .bind(id)
        .execute(pool)
        .await?;
    sqlx::query_scalar("SELECT key FROM flow_runners WHERE id = $1").bind(id).fetch_one(pool).await
}

/// Keys that runners of this hub sign with.
pub async fn keys(pool: &Pool) -> sqlx::Result<Vec<String>> {
    sqlx::query_scalar("SELECT key FROM flow_runners WHERE key != ''").fetch_all(pool).await
}

/// A one-time registration token, valid for a day, for a runner of `scope`.
pub async fn add_registration(pool: &Pool, token_hash: &str, by: &str, scope: &Scope) -> sqlx::Result<()> {
    let now = now_ms();
    sqlx::query(
        "INSERT INTO flow_runner_registrations (token_hash, created_by, created_ms, expires_ms, scope_owner, scope_repo_id) VALUES ($1, $2, $3, $4, $5, $6)",
    )
    .bind(token_hash)
    .bind(by)
    .bind(now)
    .bind(now + 24 * 3_600_000)
    .bind(&scope.owner)
    .bind(scope.repo_id)
    .execute(pool)
    .await?;
    Ok(())
}

/// The runners that may take a repository's jobs: the site's, its owner's
/// and its own (oxygenhub#41).
pub async fn serving(pool: &Pool, owner: &str, repo_id: i64) -> sqlx::Result<Vec<Runner>> {
    sqlx::query_as(
        "SELECT * FROM flow_runners WHERE (scope_owner = '' AND scope_repo_id IS NULL) \
         OR (scope_owner = $1 AND scope_repo_id IS NULL) OR scope_repo_id = $2 ORDER BY name",
    )
    .bind(owner)
    .bind(repo_id)
    .fetch_all(pool)
    .await
}

/// The runners that serve an owner: the site's, and those scoped to the
/// owner or one of its repositories.
pub async fn serving_owner(pool: &Pool, owner: &str) -> sqlx::Result<Vec<Runner>> {
    sqlx::query_as("SELECT * FROM flow_runners WHERE (scope_owner = '' AND scope_repo_id IS NULL) OR scope_owner = $1 ORDER BY name")
        .bind(owner)
        .fetch_all(pool)
        .await
}

/// Change the repositories a runner serves.
pub async fn set_scope(pool: &Pool, id: i64, scope: &Scope) -> sqlx::Result<()> {
    sqlx::query("UPDATE flow_runners SET scope_owner = $1, scope_repo_id = $2 WHERE id = $3")
        .bind(&scope.owner)
        .bind(scope.repo_id)
        .bind(id)
        .execute(pool)
        .await?;
    Ok(())
}

/// Registration tokens not used yet and not expired: (created by, created, expires).
pub async fn pending_registrations(pool: &Pool) -> sqlx::Result<Vec<(String, i64, i64)>> {
    sqlx::query_as("SELECT created_by, created_ms, expires_ms FROM flow_runner_registrations WHERE used_ms IS NULL AND expires_ms > $1 ORDER BY created_ms DESC")
        .bind(now_ms())
        .fetch_all(pool)
        .await
}

/// Use registration token `token_hash` to register a runner: `None` when
/// the token is unknown, used or expired.
#[allow(clippy::too_many_arguments)]
pub async fn register(
    pool: &Pool,
    registration: &str,
    name: &str,
    token_hash: &str,
    key: &str,
    key_name: &str,
    by_default: &str,
) -> sqlx::Result<Option<Runner>> {
    let mut tx = super::begin_write(pool).await?;
    let now = now_ms();
    let found: Option<(String, String, Option<i64>)> = sqlx::query_as(
        "SELECT created_by, scope_owner, scope_repo_id FROM flow_runner_registrations WHERE token_hash = $1 AND used_ms IS NULL AND expires_ms > $2",
    )
    .bind(registration)
    .bind(now)
    .fetch_optional(&mut *tx)
    .await?;
    let Some((who, scope_owner, scope_repo_id)) = found else { return Ok(None) };
    let id: i64 = sqlx::query_scalar(
        "INSERT INTO flow_runners (name, token_hash, source, key, key_name, created_ms, created_by, scope_owner, scope_repo_id) VALUES ($1, $2, 'registered', $3, $4, $5, $6, $7, $8) RETURNING id",
    )
    .bind(name)
    .bind(token_hash)
    .bind(key)
    .bind(key_name)
    .bind(now)
    .bind(if who.is_empty() { by_default } else { &who })
    .bind(scope_owner)
    .bind(scope_repo_id)
    .fetch_one(&mut *tx)
    .await?;
    sqlx::query("UPDATE flow_runner_registrations SET used_ms = $1, runner_id = $2 WHERE token_hash = $3")
        .bind(now)
        .bind(id)
        .bind(registration)
        .execute(&mut *tx)
        .await?;
    tx.commit().await?;
    get(pool, id).await
}

/// A job a runner ran, for its history.
#[derive(Clone, Debug, FromRow)]
pub struct RunnerJob {
    pub owner: String,
    pub repo: String,
    pub run_number: i64,
    pub job: String,
    pub status: String,
    pub started_ms: Option<i64>,
    pub finished_ms: Option<i64>,
    pub receipt_attest: String,
}

/// Jobs runner `id` ran or is running, newest first.
pub async fn history(pool: &Pool, id: i64, limit: i64, before: Option<i64>) -> sqlx::Result<Vec<RunnerJob>> {
    sqlx::query_as(
        "SELECT p.owner AS owner, p.name AS repo, r.number AS run_number, j.name AS job, j.status AS status, j.started_ms AS started_ms, \
         j.finished_ms AS finished_ms, j.receipt_attest AS receipt_attest \
         FROM flow_jobs j JOIN flow_runs r ON r.id = j.run_id JOIN repositories p ON p.id = r.repo_id \
         WHERE j.runner_id = $1 AND ($2 IS NULL OR j.started_ms < $3) ORDER BY j.started_ms DESC LIMIT $4",
    )
    .bind(id)
    .bind(before)
    .bind(before)
    .bind(limit)
    .fetch_all(pool)
    .await
}

/// (jobs run, passed, busy milliseconds) of runner `id`.
pub async fn totals(pool: &Pool, id: i64) -> sqlx::Result<(i64, i64, i64)> {
    sqlx::query_as(
        "SELECT COUNT(*), COALESCE(SUM(CASE WHEN status = 'passed' THEN 1 ELSE 0 END), 0), CAST(COALESCE(SUM(finished_ms - started_ms), 0) AS BIGINT) \
         FROM flow_jobs WHERE runner_id = $1 AND finished_ms IS NOT NULL",
    )
    .bind(id)
    .fetch_one(pool)
    .await
}

/// Jobs running on each runner now, by runner id.
pub async fn running(pool: &Pool) -> sqlx::Result<Vec<(i64, i64)>> {
    sqlx::query_as("SELECT runner_id, COUNT(*) FROM flow_jobs WHERE status = 'running' AND runner_id IS NOT NULL GROUP BY runner_id")
        .fetch_all(pool)
        .await
}

pub async fn set_job_runner(pool: &Pool, job_id: i64, runner_id: i64) -> sqlx::Result<()> {
    sqlx::query("UPDATE flow_jobs SET runner_id = $1 WHERE id = $2").bind(runner_id).bind(job_id).execute(pool).await?;
    Ok(())
}

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1	//! OxygenFlow runners (hub spec §13.2): who may claim jobs, what they are,
2	//! whether they are taking work, and what they have run.
3
4	use super::{now_ms, Pool};
5	use sqlx::FromRow;
6
7	#[derive(Clone, Debug, Default, FromRow)]
8	pub struct Runner {
9	pub id: i64,
10	pub name: String,
11	pub token_hash: String,
12	pub source: String,
13	pub key: String,
14	pub key_name: String,
15	pub arch: String,
16	pub os: String,
17	pub version: String,
18	pub labels: String,
19	pub max_jobs: i64,
20	pub memory_mib: Option<i64>,
21	pub cpus: Option<i64>,
22	pub state: String,
23	pub created_ms: i64,
24	pub created_by: String,
25	pub last_seen_ms: Option<i64>,
26	/// The owner whose repositories it serves; empty for the whole site.
27	pub scope_owner: String,
28	/// The one repository it serves, when it serves one.
29	pub scope_repo_id: Option<i64>,
30	/// Labels an administrator gave it, beside those it reports (#98).
31	pub admin_labels: String,
32	/// A time limit for its jobs in minutes, below the site's, when set.
33	pub timeout_minutes: Option<i64>,
34	/// It fetches images it lacks from the hub (oxygenflow#39).
35	pub fetches_images: bool,
36	/// What it measured at its last claim (oxygenflow#40): free disk (MiB),
37	/// the 1-minute load ×100, its speed score and class, its kernel.
38	pub free_disk_mib: Option<i64>,
39	pub load_x100: Option<i64>,
40	pub speed: Option<i64>,
41	pub speed_class: Option<i64>,
42	pub kernel: String,
43	/// The tiers it offered at its last claim, comma-separated.
44	pub tiers: String,
45	/// The images it held then (a JSON array); empty when it did not say.
46	pub images: String,
47	/// BLAKE3 of what it offers; its declines hold until this changes.
48	pub profile: String,
49	}
50
51	/// Which repositories' jobs a runner may take (oxygenhub#41).
52	#[derive(Clone, Debug, Default, PartialEq, Eq)]
53	pub struct Scope {
54	/// Empty: any owner.
55	pub owner: String,
56	/// `None`: any of the owner's repositories.
57	pub repo_id: Option<i64>,
58	}
59
60	impl Scope {
61	pub fn is_site(&self) -> bool {
62	self.owner.is_empty() && self.repo_id.is_none()
63	}
64	}
65
66	/// A runner that has not polled for this long is shown offline.
67	pub const ONLINE_MS: i64 = 90_000;
68
69	impl Runner {
70	pub fn online(&self) -> bool {
71	self.last_seen_ms.is_some_and(\|t\| now_ms() - t < ONLINE_MS)
72	}
73
74	/// Whether the hub has heard from it lately (oxygenhub#243): any call it
75	/// makes counts, a busy runner's heartbeat included.
76	pub fn connectivity(&self) -> &'static str {
77	if self.online() {
78	"online"
79	} else {
80	"offline"
81	}
82	}
83
84	/// `online`, `offline`, `draining` or `disabled`.
85	pub fn status(&self) -> &'static str {
86	match self.state.as_str() {
87	"disabled" => "disabled",
88	"draining" => "draining",
89	_ if self.online() => "online",
90	_ => "offline",
91	}
92	}
93
94	/// Every label it carries: what it reports, and what an administrator
95	/// gave it.
96	pub fn label_list(&self) -> Vec<&str> {
97	let mut out: Vec<&str> = self.labels.split(',').filter(\|l\| !l.is_empty()).collect();
98	for l in self.admin_label_list() {
99	if !out.contains(&l) {
100	out.push(l);
101	}
102	}
103	out
104	}
105
106	pub fn admin_label_list(&self) -> Vec<&str> {
107	self.admin_labels.split(',').filter(\|l\| !l.is_empty()).collect()
108	}
109
110	/// The labels it reported itself, as the admin page distinguishes them.
111	pub fn reported_label_list(&self) -> Vec<&str> {
112	self.labels.split(',').filter(\|l\| !l.is_empty()).collect()
113	}
114
115	pub fn scope(&self) -> Scope {
116	Scope { owner: self.scope_owner.clone(), repo_id: self.scope_repo_id }
117	}
118	}
119
120	pub async fn by_token(pool: &Pool, token_hash: &str) -> sqlx::Result<Option<Runner>> {
121	sqlx::query_as("SELECT * FROM flow_runners WHERE token_hash = $1").bind(token_hash).fetch_optional(pool).await
122	}
123
124	pub async fn get(pool: &Pool, id: i64) -> sqlx::Result<Option<Runner>> {
125	sqlx::query_as("SELECT * FROM flow_runners WHERE id = $1").bind(id).fetch_optional(pool).await
126	}
127
128	pub async fn list(pool: &Pool) -> sqlx::Result<Vec<Runner>> {
129	sqlx::query_as("SELECT * FROM flow_runners ORDER BY name, id").fetch_all(pool).await
130	}
131
132	/// The row of a runner configured with a hub.toml token, made on first sight.
133	pub async fn configured(pool: &Pool, token_hash: &str, name: &str) -> sqlx::Result<Runner> {
134	sqlx::query("INSERT INTO flow_runners (name, token_hash, source, created_ms) VALUES ($1, $2, 'config', $3) ON CONFLICT DO NOTHING")
135	.bind(name)
136	.bind(token_hash)
137	.bind(now_ms())
138	.execute(pool)
139	.await?;
140	Ok(by_token(pool, token_hash).await?.expect("just made"))
141	}
142
143	/// What a claim says about the runner, and that it was seen now. A
144	/// configured runner takes the name it claims with.
145	/// The administrator's settings for a runner (#98).
146	pub async fn set_limits(pool: &Pool, id: i64, admin_labels: &str, timeout_minutes: Option<i64>) -> sqlx::Result<()> {
147	sqlx::query("UPDATE flow_runners SET admin_labels = $1, timeout_minutes = $2 WHERE id = $3")
148	.bind(admin_labels)
149	.bind(timeout_minutes)
150	.bind(id)
151	.execute(pool)
152	.await?;
153	Ok(())
154	}
155
156	pub async fn seen(pool: &Pool, id: i64, name: Option<&str>, info: Option<&flow_core::api::RunnerInfo>) -> sqlx::Result<()> {
157	let now = now_ms();
158	match info {
159	Some(i) => {
160	sqlx::query(
161	"UPDATE flow_runners SET arch = $1, os = $2, version = $3, labels = $4, max_jobs = $5, memory_mib = $6, cpus = $7, last_seen_ms = $8 WHERE id = $9",
162	)
163	.bind(&i.arch)
164	.bind(&i.os)
165	.bind(&i.version)
166	.bind(i.labels.join(","))
167	.bind(i.max_jobs as i64)
168	.bind(i.memory_mib.map(i64::from))
169	.bind(i.cpus.map(i64::from))
170	.bind(now)
171	.bind(id)
172	.execute(pool)
173	.await?;
174	}
175	None => {
176	sqlx::query("UPDATE flow_runners SET last_seen_ms = $1 WHERE id = $2").bind(now).bind(id).execute(pool).await?;
177	}
178	}
179	if let Some(n) = name {
180	sqlx::query("UPDATE flow_runners SET name = $1 WHERE id = $2 AND source = 'config'").bind(n).bind(id).execute(pool).await?;
181	}
182	Ok(())
183	}
184
185	/// Keep what a runner measured about itself at a claim (oxygenflow#40).
186	pub async fn set_facts(pool: &Pool, id: i64, f: &flow_core::api::Facts) -> sqlx::Result<()> {
187	sqlx::query("UPDATE flow_runners SET free_disk_mib = $1, load_x100 = $2, speed = $3, speed_class = $4, kernel = $5 WHERE id = $6")
188	.bind(f.free_disk_mib.map(\|v\| v.min(i64::MAX as u64) as i64))
189	.bind(f.load_x100.map(i64::from))
190	.bind(f.speed.map(i64::from))
191	.bind(f.speed_class.map(i64::from))
192	.bind(f.kernel.clone().unwrap_or_default())
193	.bind(id)
194	.execute(pool)
195	.await?;
196	Ok(())
197	}
198
199	impl Runner {
200	/// Its facts as words for the Runners page: "speed 100 (class 3) · load
201	/// 1.12 · 41 GiB free"; empty when it has sent none.
202	pub fn facts_line(&self) -> String {
203	let mut out = Vec::new();
204	if let Some(s) = self.speed {
205	out.push(format!("speed {s} (class {})", self.speed_class.unwrap_or(0)));
206	}
207	if let Some(l) = self.load_x100 {
208	out.push(format!("load {:.2}", l as f64 / 100.0));
209	}
210	if let Some(d) = self.free_disk_mib {
211	out.push(if d >= 1024 { format!("{} GiB free", d / 1024) } else { format!("{d} MiB free") });
212	}
213	out.join(" · ")
214	}
215	}
216
217	/// What a runner offers at a claim (OxygenFlow spec §11.1): its tiers and
218	/// images, and the profile hash over those, its architecture, labels and
219	/// capacity.
220	pub async fn set_offer(
221	pool: &Pool,
222	id: i64,
223	tiers: &[String],
224	images: Option<&[String]>,
225	fetches_images: bool,
226	profile: &str,
227	) -> sqlx::Result<()> {
228	let images = images.map(\|i\| serde_json::to_string(i).unwrap_or_default()).unwrap_or_default();
229	sqlx::query("UPDATE flow_runners SET tiers = $1, images = $2, fetches_images = $3, profile = $4 WHERE id = $5")
230	.bind(tiers.join(","))
231	.bind(images)
232	.bind(fetches_images)
233	.bind(profile)
234	.bind(id)
235	.execute(pool)
236	.await?;
237	Ok(())
238	}
239
240	impl Runner {
241	pub fn tier_list(&self) -> Vec<&str> {
242	self.tiers.split(',').filter(\|t\| !t.is_empty()).collect()
243	}
244
245	/// The images it holds, `None` when it does not say.
246	pub fn image_list(&self) -> Option<Vec<String>> {
247	if self.images.is_empty() {
248	None
249	} else {
250	serde_json::from_str(&self.images).ok()
251	}
252	}
253	}
254
255	pub async fn set_state(pool: &Pool, id: i64, state: &str) -> sqlx::Result<()> {
256	sqlx::query("UPDATE flow_runners SET state = $1, state_ms = $2 WHERE id = $3")
257	.bind(state)
258	.bind(super::now_ms())
259	.bind(id)
260	.execute(pool)
261	.await?;
262	Ok(())
263	}
264
265	/// Whether runner `id`'s last `n` jobs since its state last changed all
266	/// ended in an infrastructure error (oxygenflow#30), with the last one's.
267	pub async fn erroring(pool: &Pool, id: i64, n: u32) -> sqlx::Result<Option<String>> {
268	if n == 0 {
269	return Ok(None);
270	}
271	let last: Vec<(String, String)> = sqlx::query_as(
272	"SELECT j.status, j.error FROM flow_jobs j JOIN flow_runners r ON r.id = j.runner_id
273	WHERE j.runner_id = $1 AND j.finished_ms IS NOT NULL AND j.finished_ms >= r.state_ms
274	ORDER BY j.finished_ms DESC, j.id DESC LIMIT $2",
275	)
276	.bind(id)
277	.bind(n as i64)
278	.fetch_all(pool)
279	.await?;
280	Ok((last.len() == n as usize && last.iter().all(\|(s, _)\| s == "error")).then(\|\| last[0].1.clone()))
281	}
282
283	/// Forget a runner: its credential stops working. Its jobs keep its name.
284	pub async fn remove(pool: &Pool, id: i64) -> sqlx::Result<()> {
285	sqlx::query("DELETE FROM flow_runners WHERE id = $1").bind(id).execute(pool).await?;
286	Ok(())
287	}
288
289	/// The key a runner signs receipts with: the one bound, or `key` (named
290	/// `name`) when none is yet.
291	pub async fn bind_key(pool: &Pool, id: i64, key: &str, name: &str) -> sqlx::Result<String> {
292	sqlx::query("UPDATE flow_runners SET key = $1, key_name = $2 WHERE id = $3 AND key = ''")
293	.bind(key)
294	.bind(name)
295	.bind(id)
296	.execute(pool)
297	.await?;
298	sqlx::query_scalar("SELECT key FROM flow_runners WHERE id = $1").bind(id).fetch_one(pool).await
299	}
300
301	/// Keys that runners of this hub sign with.
302	pub async fn keys(pool: &Pool) -> sqlx::Result<Vec<String>> {
303	sqlx::query_scalar("SELECT key FROM flow_runners WHERE key != ''").fetch_all(pool).await
304	}
305
306	/// A one-time registration token, valid for a day, for a runner of `scope`.
307	pub async fn add_registration(pool: &Pool, token_hash: &str, by: &str, scope: &Scope) -> sqlx::Result<()> {
308	let now = now_ms();
309	sqlx::query(
310	"INSERT INTO flow_runner_registrations (token_hash, created_by, created_ms, expires_ms, scope_owner, scope_repo_id) VALUES ($1, $2, $3, $4, $5, $6)",
311	)
312	.bind(token_hash)
313	.bind(by)
314	.bind(now)
315	.bind(now + 24 * 3_600_000)
316	.bind(&scope.owner)
317	.bind(scope.repo_id)
318	.execute(pool)
319	.await?;
320	Ok(())
321	}
322
323	/// The runners that may take a repository's jobs: the site's, its owner's
324	/// and its own (oxygenhub#41).
325	pub async fn serving(pool: &Pool, owner: &str, repo_id: i64) -> sqlx::Result<Vec<Runner>> {
326	sqlx::query_as(
327	"SELECT * FROM flow_runners WHERE (scope_owner = '' AND scope_repo_id IS NULL) \
328	OR (scope_owner = $1 AND scope_repo_id IS NULL) OR scope_repo_id = $2 ORDER BY name",
329	)
330	.bind(owner)
331	.bind(repo_id)
332	.fetch_all(pool)
333	.await
334	}
335
336	/// The runners that serve an owner: the site's, and those scoped to the
337	/// owner or one of its repositories.
338	pub async fn serving_owner(pool: &Pool, owner: &str) -> sqlx::Result<Vec<Runner>> {
339	sqlx::query_as("SELECT * FROM flow_runners WHERE (scope_owner = '' AND scope_repo_id IS NULL) OR scope_owner = $1 ORDER BY name")
340	.bind(owner)
341	.fetch_all(pool)
342	.await
343	}
344
345	/// Change the repositories a runner serves.
346	pub async fn set_scope(pool: &Pool, id: i64, scope: &Scope) -> sqlx::Result<()> {
347	sqlx::query("UPDATE flow_runners SET scope_owner = $1, scope_repo_id = $2 WHERE id = $3")
348	.bind(&scope.owner)
349	.bind(scope.repo_id)
350	.bind(id)
351	.execute(pool)
352	.await?;
353	Ok(())
354	}
355
356	/// Registration tokens not used yet and not expired: (created by, created, expires).
357	pub async fn pending_registrations(pool: &Pool) -> sqlx::Result<Vec<(String, i64, i64)>> {
358	sqlx::query_as("SELECT created_by, created_ms, expires_ms FROM flow_runner_registrations WHERE used_ms IS NULL AND expires_ms > $1 ORDER BY created_ms DESC")
359	.bind(now_ms())
360	.fetch_all(pool)
361	.await
362	}
363
364	/// Use registration token `token_hash` to register a runner: `None` when
365	/// the token is unknown, used or expired.
366	#[allow(clippy::too_many_arguments)]
367	pub async fn register(
368	pool: &Pool,
369	registration: &str,
370	name: &str,
371	token_hash: &str,
372	key: &str,
373	key_name: &str,
374	by_default: &str,
375	) -> sqlx::Result<Option<Runner>> {
376	let mut tx = super::begin_write(pool).await?;
377	let now = now_ms();
378	let found: Option<(String, String, Option<i64>)> = sqlx::query_as(
379	"SELECT created_by, scope_owner, scope_repo_id FROM flow_runner_registrations WHERE token_hash = $1 AND used_ms IS NULL AND expires_ms > $2",
380	)
381	.bind(registration)
382	.bind(now)
383	.fetch_optional(&mut *tx)
384	.await?;
385	let Some((who, scope_owner, scope_repo_id)) = found else { return Ok(None) };
386	let id: i64 = sqlx::query_scalar(
387	"INSERT INTO flow_runners (name, token_hash, source, key, key_name, created_ms, created_by, scope_owner, scope_repo_id) VALUES ($1, $2, 'registered', $3, $4, $5, $6, $7, $8) RETURNING id",
388	)
389	.bind(name)
390	.bind(token_hash)
391	.bind(key)
392	.bind(key_name)
393	.bind(now)
394	.bind(if who.is_empty() { by_default } else { &who })
395	.bind(scope_owner)
396	.bind(scope_repo_id)
397	.fetch_one(&mut *tx)
398	.await?;
399	sqlx::query("UPDATE flow_runner_registrations SET used_ms = $1, runner_id = $2 WHERE token_hash = $3")
400	.bind(now)
401	.bind(id)
402	.bind(registration)
403	.execute(&mut *tx)
404	.await?;
405	tx.commit().await?;
406	get(pool, id).await
407	}
408
409	/// A job a runner ran, for its history.
410	#[derive(Clone, Debug, FromRow)]
411	pub struct RunnerJob {
412	pub owner: String,
413	pub repo: String,
414	pub run_number: i64,
415	pub job: String,
416	pub status: String,
417	pub started_ms: Option<i64>,
418	pub finished_ms: Option<i64>,
419	pub receipt_attest: String,
420	}
421
422	/// Jobs runner `id` ran or is running, newest first.
423	pub async fn history(pool: &Pool, id: i64, limit: i64, before: Option<i64>) -> sqlx::Result<Vec<RunnerJob>> {
424	sqlx::query_as(
425	"SELECT p.owner AS owner, p.name AS repo, r.number AS run_number, j.name AS job, j.status AS status, j.started_ms AS started_ms, \
426	j.finished_ms AS finished_ms, j.receipt_attest AS receipt_attest \
427	FROM flow_jobs j JOIN flow_runs r ON r.id = j.run_id JOIN repositories p ON p.id = r.repo_id \
428	WHERE j.runner_id = $1 AND ($2 IS NULL OR j.started_ms < $3) ORDER BY j.started_ms DESC LIMIT $4",
429	)
430	.bind(id)
431	.bind(before)
432	.bind(before)
433	.bind(limit)
434	.fetch_all(pool)
435	.await
436	}
437
438	/// (jobs run, passed, busy milliseconds) of runner `id`.
439	pub async fn totals(pool: &Pool, id: i64) -> sqlx::Result<(i64, i64, i64)> {
440	sqlx::query_as(
441	"SELECT COUNT(*), COALESCE(SUM(CASE WHEN status = 'passed' THEN 1 ELSE 0 END), 0), CAST(COALESCE(SUM(finished_ms - started_ms), 0) AS BIGINT) \
442	FROM flow_jobs WHERE runner_id = $1 AND finished_ms IS NOT NULL",
443	)
444	.bind(id)
445	.fetch_one(pool)
446	.await
447	}
448
449	/// Jobs running on each runner now, by runner id.
450	pub async fn running(pool: &Pool) -> sqlx::Result<Vec<(i64, i64)>> {
451	sqlx::query_as("SELECT runner_id, COUNT(*) FROM flow_jobs WHERE status = 'running' AND runner_id IS NOT NULL GROUP BY runner_id")
452	.fetch_all(pool)
453	.await
454	}
455
456	pub async fn set_job_runner(pool: &Pool, job_id: i64, runner_id: i64) -> sqlx::Result<()> {
457	sqlx::query("UPDATE flow_jobs SET runner_id = $1 WHERE id = $2").bind(runner_id).bind(job_id).execute(pool).await?;
458	Ok(())
459	}

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