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Use memory job store because why not

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asonix 2020-07-10 20:00:31 -05:00
parent 51ef5c2796
commit db5284e162
3 changed files with 5 additions and 177 deletions
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9
src/jobs/mod.rs
View file

@ -5,7 +5,6 @@ mod deliver_many;
mod instance;
mod nodeinfo;
mod process_listeners;
mod storage;
pub use self::{
cache_media::CacheMedia, deliver::Deliver, deliver_many::DeliverMany, instance::QueryInstance,
@ -17,14 +16,14 @@ use crate::{
data::{ActorCache, Media, NodeCache, State},
db::Db,
error::MyError,
jobs::{process_listeners::Listeners, storage::Storage},
jobs::process_listeners::Listeners,
requests::Requests,
};
use background_jobs::{Job, QueueHandle, WorkerConfig};
use background_jobs::{memory_storage::Storage, Job, QueueHandle, WorkerConfig};
use std::time::Duration;
pub fn create_server(db: Db) -> JobServer {
let shared = background_jobs::create_server(Storage::new(db));
pub fn create_server() -> JobServer {
let shared = background_jobs::create_server(Storage::new());
shared.every(Duration::from_secs(60 * 5), Listeners);

171
src/jobs/storage.rs
View file

@ -1,171 +0,0 @@
use crate::{db::Db, error::MyError};
use background_jobs::{dev::JobInfo, Stats};
use log::debug;
use tokio_postgres::types::Json;
use uuid::Uuid;
#[derive(Clone)]
pub struct Storage {
db: Db,
}
impl Storage {
pub fn new(db: Db) -> Self {
Storage { db }
}
}
#[async_trait::async_trait]
impl background_jobs::dev::Storage for Storage {
type Error = MyError;
async fn generate_id(&self) -> Result<Uuid, MyError> {
// TODO: Ensure unique job id
Ok(Uuid::new_v4())
}
async fn save_job(&self, job: JobInfo) -> Result<(), MyError> {
debug!(
"Inserting job {} status {} for queue {}",
job.id(),
job.status(),
job.queue()
);
self.db.pool().get().await?.execute(
"INSERT INTO jobs
(job_id, job_queue, job_timeout, job_updated, job_status, job_next_run, job_value, created_at)
VALUES
($1::UUID, $2::TEXT, $3::BIGINT, $4::TIMESTAMP, $5::TEXT, $6::TIMESTAMP, $7::JSONB, 'now')
ON CONFLICT (job_id)
DO UPDATE SET
job_updated = $4::TIMESTAMP,
job_status = $5::TEXT,
job_next_run = $6::TIMESTAMP,
job_value = $7::JSONB;",
&[&job.id(), &job.queue(), &job.timeout(), &job.updated_at().naive_utc(), &job.status().to_string(), &job.next_queue().map(|q| q.naive_utc()), &Json(&job)],
)
.await?;
Ok(())
}
async fn fetch_job(&self, id: Uuid) -> Result<Option<JobInfo>, MyError> {
debug!(
"SELECT job_value FROM jobs WHERE job_id = $1::UUID LIMIT 1; [{}]",
id
);
let row_opt = self
.db
.pool()
.get()
.await?
.query_opt(
"SELECT job_value
FROM jobs
WHERE job_id = $1::UUID
LIMIT 1;",
&[&id],
)
.await?;
let row = if let Some(row) = row_opt {
row
} else {
return Ok(None);
};
let value: Json<JobInfo> = row.try_get(0)?;
Ok(Some(value.0))
}
async fn fetch_job_from_queue(&self, queue: &str) -> Result<Option<JobInfo>, MyError> {
let row_opt = self
.db
.pool()
.get()
.await?
.query_opt(
"UPDATE jobs
SET
job_status = 'Running',
job_updated = 'now'
WHERE
job_id = (
SELECT job_id
FROM jobs
WHERE
job_queue = $1::TEXT
AND
(
job_next_run IS NULL
OR
job_next_run < now()
)
AND
(
job_status = 'Pending'
OR
(
job_status = 'Running'
AND
NOW() > (INTERVAL '1 millisecond' * job_timeout + job_updated)
)
)
LIMIT 1
FOR UPDATE SKIP LOCKED
)
RETURNING job_value;",
&[&queue],
)
.await?;
let row = if let Some(row) = row_opt {
row
} else {
return Ok(None);
};
let value: Json<JobInfo> = row.try_get(0)?;
let job = value.0;
debug!("Found job {} in queue {}", job.id(), queue);
Ok(Some(job))
}
async fn queue_job(&self, _queue: &str, _id: Uuid) -> Result<(), MyError> {
// Queue Job is a no-op, since jobs are always in their queue
Ok(())
}
async fn run_job(&self, _id: Uuid, _runner_id: Uuid) -> Result<(), MyError> {
// Run Job is a no-op, since jobs are marked running at fetch
Ok(())
}
async fn delete_job(&self, id: Uuid) -> Result<(), MyError> {
debug!("Deleting job {}", id);
self.db
.pool()
.get()
.await?
.execute("DELETE FROM jobs WHERE job_id = $1::UUID;", &[&id])
.await?;
Ok(())
}
async fn get_stats(&self) -> Result<Stats, MyError> {
// TODO: Stats are unimplemented
Ok(Stats::default())
}
async fn update_stats<F>(&self, _f: F) -> Result<(), MyError>
where
F: Fn(Stats) -> Stats + Send,
{
// TODO: Stats are unimplemented
Ok(())
}
}

2
src/main.rs
View file

@ -71,7 +71,7 @@ async fn main() -> Result<(), anyhow::Error> {
let media = Media::new(db.clone());
let state = State::hydrate(config.clone(), &db).await?;
let actors = ActorCache::new(db.clone());
let job_server = create_server(db.clone());
let job_server = create_server();
notify::Notifier::new(config.database_url().parse()?)
.register(notify::NewBlocks(state.clone()))