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asonix 2018-12-16 12:43:44 -06:00
parent 6e79341b38
commit d266315f1f
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20 changed files with 881 additions and 226 deletions
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12
Cargo.toml
View file

@ -11,6 +11,7 @@ edition = "2018"
[workspace]
members = [
"jobs-actix",
"jobs-core",
"jobs-server",
"examples/server-jobs-example",
@ -18,12 +19,19 @@ members = [
[features]
default = ["background-jobs-server", "background-jobs-server/tokio-zmq"]
no_unix = ["background-jobs-server", "background-jobs-server/futures-zmq"]
actix = ["background-jobs-actix"]
[dependencies.background-jobs-core]
version = "0.3"
version = "0.4"
path = "jobs-core"
[dependencies.background-jobs-server]
version = "0.3"
version = "0.4"
path = "jobs-server"
optional = true
[dependencies.background-jobs-actix]
version = "0.4"
path = "jobs-actix"
optional = true

2
examples/server-jobs-example/Cargo.toml
View file

@ -17,5 +17,3 @@ tokio = "0.1"
[dependencies.background-jobs]
version = "0.3"
path = "../.."
default-features = false
features = ["background-jobs-server"]

2
examples/server-jobs-example/src/bin/server.rs
View file

@ -26,9 +26,9 @@ fn main() -> Result<(), Error> {
env_logger::init();
tokio::run(ServerConfig::init(
1,
"127.0.0.1",
5555,
1,
queue_set(),
"example-db",
));

16
jobs-actix/Cargo.toml Normal file
View file

@ -0,0 +1,16 @@
[package]
name = "background-jobs-actix"
version = "0.4.0"
authors = ["asonix <asonix@asonix.dog>"]
edition = "2018"
[dependencies]
actix = "0.7"
background-jobs-core = { version = "0.4", path = "../jobs-core" }
chrono = "0.4"
failure = "0.1"
futures = "0.1"
log = "0.4"
serde = "1.0"
serde_derive = "1.0"
serde_json = "1.0"

113
jobs-actix/src/lib.rs Normal file
View file

@ -0,0 +1,113 @@
use std::{collections::BTreeMap, path::PathBuf, sync::Arc};
use actix::{Actor, Addr, SyncArbiter};
use background_jobs_core::{Processor, ProcessorMap, Storage};
use failure::Error;
mod pinger;
mod server;
mod worker;
pub use self::{server::Server, worker::LocalWorker};
use self::{
pinger::Pinger,
server::{CheckDb, EitherJob, RequestJob},
worker::ProcessJob,
};
pub struct ServerConfig {
server_id: usize,
db_path: PathBuf,
}
impl ServerConfig {
pub fn new(server_id: usize, db_path: PathBuf) -> Self {
ServerConfig { server_id, db_path }
}
pub fn start<S>(self) -> QueueHandle<S>
where
S: Clone + Send + Sync + 'static,
{
let ServerConfig { server_id, db_path } = self;
let server = SyncArbiter::start(1, move || {
Server::new(server_id, Storage::init(db_path.clone()).unwrap())
});
Pinger::new(server.clone()).start();
QueueHandle { inner: server }
}
}
pub struct WorkerConfig<S>
where
S: Clone + Send + Sync + 'static,
{
processors: ProcessorMap<S>,
queues: BTreeMap<String, usize>,
}
impl<S> WorkerConfig<S>
where
S: Clone + Send + Sync + 'static,
{
pub fn new(state: S) -> Self {
WorkerConfig {
processors: ProcessorMap::new(state),
queues: BTreeMap::new(),
}
}
pub fn register<P>(&mut self, processor: P)
where
P: Processor<S> + Send + Sync + 'static,
{
self.queues.insert(P::QUEUE.to_owned(), 4);
self.processors.register_processor(processor);
}
pub fn set_processor_count(&mut self, queue: &str, count: usize) {
self.queues.insert(queue.to_owned(), count);
}
pub fn start(self, queue_handle: QueueHandle<S>) {
let processors = Arc::new(self.processors);
self.queues.into_iter().fold(0, |acc, (key, count)| {
(0..count).for_each(|i| {
LocalWorker::new(
acc + i + 1000,
key.clone(),
processors.clone(),
queue_handle.inner.clone(),
)
.start();
});
acc + count
});
}
}
#[derive(Clone)]
pub struct QueueHandle<S>
where
S: Clone + Send + Sync + 'static,
{
inner: Addr<Server<LocalWorker<S>>>,
}
impl<S> QueueHandle<S>
where
S: Clone + Send + Sync + 'static,
{
pub fn queue<P>(&self, job: P::Job) -> Result<(), Error>
where
P: Processor<S>,
{
self.inner.do_send(EitherJob::New(P::new_job(job)?));
Ok(())
}
}

35
jobs-actix/src/pinger.rs Normal file
View file

@ -0,0 +1,35 @@
use std::time::Duration;
use actix::{Actor, Addr, AsyncContext, Context, Handler, SyncContext};
use crate::{CheckDb, ProcessJob, Server};
pub struct Pinger<W>
where
W: Actor + Handler<ProcessJob>,
{
server: Addr<Server<W>>,
}
impl<W> Pinger<W>
where
W: Actor + Handler<ProcessJob>,
{
pub fn new(server: Addr<Server<W>>) -> Self {
Pinger { server }
}
}
impl<W> Actor for Pinger<W>
where
W: Actor + Handler<ProcessJob>,
Server<W>: Actor<Context = SyncContext<Server<W>>> + Handler<CheckDb>,
{
type Context = Context<Self>;
fn started(&mut self, ctx: &mut Self::Context) {
ctx.run_interval(Duration::from_secs(1), |actor, _| {
actor.server.do_send(CheckDb);
});
}
}

249
jobs-actix/src/server.rs Normal file
View file

@ -0,0 +1,249 @@
use std::collections::{HashMap, VecDeque};
use actix::{Actor, Addr, Context, Handler, Message, SyncContext};
use background_jobs_core::{JobInfo, NewJobInfo, Storage};
use failure::Error;
use log::{debug, trace};
use serde_derive::Deserialize;
use crate::ProcessJob;
#[derive(Clone, Debug, Deserialize)]
pub enum EitherJob {
New(NewJobInfo),
Existing(JobInfo),
}
impl Message for EitherJob {
type Result = Result<(), Error>;
}
pub struct RequestJob<W>
where
W: Actor + Handler<ProcessJob>,
{
worker_id: usize,
queue: String,
addr: Addr<W>,
}
impl<W> RequestJob<W>
where
W: Actor + Handler<ProcessJob>,
{
pub fn new(worker_id: usize, queue: &str, addr: Addr<W>) -> Self {
RequestJob {
worker_id,
queue: queue.to_owned(),
addr,
}
}
}
impl<W> Message for RequestJob<W>
where
W: Actor + Handler<ProcessJob>,
{
type Result = Result<(), Error>;
}
pub struct CheckDb;
impl Message for CheckDb {
type Result = Result<(), Error>;
}
struct Cache<W>
where
W: Actor + Handler<ProcessJob>,
{
workers: VecDeque<RequestJob<W>>,
jobs: VecDeque<JobInfo>,
}
impl<W> Cache<W>
where
W: Actor + Handler<ProcessJob>,
{
fn new() -> Self {
Cache {
workers: VecDeque::new(),
jobs: VecDeque::new(),
}
}
}
pub struct Server<W>
where
W: Actor + Handler<ProcessJob>,
{
server_id: usize,
storage: Storage,
cache: HashMap<String, Cache<W>>,
cache_size: usize,
}
impl<W> Server<W>
where
W: Actor + Handler<ProcessJob>,
{
pub fn new(server_id: usize, storage: Storage) -> Self {
Server {
server_id,
storage,
cache: HashMap::new(),
cache_size: 25,
}
}
pub fn set_cache_size(&mut self, cache_size: usize) {
self.cache_size = cache_size;
}
fn populate(&mut self, queue: &str) -> Result<bool, Error> {
trace!("Populating queue {}", queue);
let entry = self.cache.entry(queue.to_owned()).or_insert(Cache::new());
if entry.jobs.is_empty() {
let new_jobs = self
.storage
.stage_jobs(self.cache_size, queue, self.server_id)?;
let empty = new_jobs.is_empty();
debug!("Retrieved {} jobs from storage", new_jobs.len());
trace!("{:?}", new_jobs.iter().map(|j| j.id()).collect::<Vec<_>>());
new_jobs
.into_iter()
.for_each(|job| entry.jobs.push_back(job));
Ok(!empty)
} else {
Ok(true)
}
}
}
impl<W> Actor for Server<W>
where
W: Actor + Handler<ProcessJob>,
{
type Context = SyncContext<Self>;
fn started(&mut self, _: &mut Self::Context) {
self.storage.requeue_staged_jobs(self.server_id).unwrap();
self.storage.check_stalled_jobs(self.server_id).unwrap();
}
}
impl<W> Handler<EitherJob> for Server<W>
where
W: Actor<Context = Context<W>> + Handler<ProcessJob>,
{
type Result = Result<(), Error>;
fn handle(&mut self, msg: EitherJob, _: &mut Self::Context) -> Self::Result {
let mut job = match msg {
EitherJob::New(new_job) => {
let job = self.storage.assign_id(new_job, self.server_id)?;
debug!("Created job {}, {:?}", job.id(), job);
job
}
EitherJob::Existing(job) => job,
};
let retry_now = job.is_pending() || (job.needs_retry() && job.retry_ready());
if job.is_pending() && !retry_now {
trace!("Storing job {} for later processing", job.id());
}
self.storage.store_job(job.clone(), self.server_id)?;
if retry_now {
let entry = self
.cache
.entry(job.queue().to_owned())
.or_insert(Cache::new());
if let Some(worker) = entry.workers.pop_front() {
debug!("Retrying job {} on worker {}", job.id(), worker.worker_id);
worker.addr.do_send(ProcessJob::new(job.clone()));
job.set_running();
self.storage.store_job(job, worker.worker_id)?;
} else if entry.jobs.len() < self.cache_size {
entry.jobs.push_back(job);
}
}
Ok(())
}
}
impl<W> Handler<RequestJob<W>> for Server<W>
where
W: Actor<Context = Context<W>> + Handler<ProcessJob>,
{
type Result = Result<(), Error>;
fn handle(&mut self, msg: RequestJob<W>, _: &mut Self::Context) -> Self::Result {
trace!("Worker {} requested job", msg.worker_id);
self.populate(&msg.queue)?;
let job = self
.cache
.get_mut(&msg.queue)
.and_then(|cache| cache.jobs.pop_front());
if let Some(mut job) = job {
msg.addr.do_send(ProcessJob::new(job.clone()));
job.set_running();
self.storage.store_job(job, msg.worker_id)?;
} else {
trace!("storing worker {} for queue {}", msg.worker_id, msg.queue);
let entry = self.cache.entry(msg.queue.clone()).or_insert(Cache::new());
entry.workers.push_back(msg);
}
Ok(())
}
}
impl<W> Handler<CheckDb> for Server<W>
where
W: Actor<Context = Context<W>> + Handler<ProcessJob>,
{
type Result = Result<(), Error>;
fn handle(&mut self, _: CheckDb, _: &mut Self::Context) -> Self::Result {
trace!("Checkdb");
let queues: Vec<String> = self.cache.keys().cloned().collect();
let mut todo = Vec::new();
for queue in queues {
if self.populate(&queue)? {
debug!("Cached jobs for {}", queue);
}
let entry = self.cache.entry(queue.to_owned()).or_insert(Cache::new());
let min_len = entry.jobs.len().min(entry.workers.len());
entry
.jobs
.drain(..min_len)
.zip(entry.workers.drain(..min_len))
.for_each(|pair| {
todo.push(pair);
});
}
for (mut job, worker) in todo {
debug!("Sending job {} to worker {}", job.id(), worker.worker_id);
worker.addr.do_send(ProcessJob::new(job.clone()));
job.set_running();
self.storage.store_job(job, worker.worker_id)?;
}
Ok(())
}
}

85
jobs-actix/src/worker.rs Normal file
View file

@ -0,0 +1,85 @@
use std::sync::Arc;
use actix::{
fut::{wrap_future, ActorFuture},
Actor, Addr, AsyncContext, Context, Handler, Message,
};
use background_jobs_core::{JobInfo, ProcessorMap};
use log::info;
use crate::{EitherJob, RequestJob, Server};
pub struct ProcessJob {
job: JobInfo,
}
impl ProcessJob {
pub fn new(job: JobInfo) -> Self {
ProcessJob { job }
}
}
impl Message for ProcessJob {
type Result = ();
}
pub struct LocalWorker<State>
where
State: Clone + Send + Sync + 'static,
{
id: usize,
queue: String,
processors: Arc<ProcessorMap<State>>,
server: Addr<Server<LocalWorker<State>>>,
}
impl<State> LocalWorker<State>
where
State: Clone + Send + Sync + 'static,
{
pub fn new(
id: usize,
queue: String,
processors: Arc<ProcessorMap<State>>,
server: Addr<Server<Self>>,
) -> Self {
LocalWorker {
id,
queue,
processors,
server,
}
}
}
impl<State> Actor for LocalWorker<State>
where
State: Clone + Send + Sync + 'static,
{
type Context = Context<Self>;
fn started(&mut self, ctx: &mut Self::Context) {
self.server
.do_send(RequestJob::new(self.id, &self.queue, ctx.address()));
}
}
impl<State> Handler<ProcessJob> for LocalWorker<State>
where
State: Clone + Send + Sync + 'static,
{
type Result = ();
fn handle(&mut self, msg: ProcessJob, ctx: &mut Self::Context) -> Self::Result {
info!("Worker {} processing job {}", self.id, msg.job.id());
let fut =
wrap_future::<_, Self>(self.processors.process_job(msg.job)).map(|job, actor, ctx| {
actor.server.do_send(EitherJob::Existing(job));
actor
.server
.do_send(RequestJob::new(actor.id, &actor.queue, ctx.address()));
});
ctx.spawn(fut);
}
}

2
jobs-core/Cargo.toml
View file

@ -1,7 +1,7 @@
[package]
name = "background-jobs-core"
description = "Core types for implementing an asynchronous jobs processor on tokio"
version = "0.3.2"
version = "0.4.0"
license = "GPL-3.0"
authors = ["asonix <asonix@asonix.dog>"]
repository = "https://git.asonix.dog/asonix/background-jobs"

124
jobs-core/src/job_info.rs
View file

@ -18,10 +18,71 @@
*/
use chrono::{offset::Utc, DateTime, Duration as OldDuration};
use log::trace;
use serde_derive::{Deserialize, Serialize};
use serde_json::Value;
use crate::{Backoff, JobStatus, MaxRetries, ShouldStop};
#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
pub struct NewJobInfo {
/// Name of the processor that should handle this job
processor: String,
/// Name of the queue that this job is a part of
queue: String,
/// Arguments for a given job
args: Value,
/// the initial MaxRetries value, for comparing to the current retry count
max_retries: MaxRetries,
/// How often retries should be scheduled
backoff_strategy: Backoff,
/// The time this job should be dequeued
next_queue: Option<DateTime<Utc>>,
}
impl NewJobInfo {
pub(crate) fn schedule(&mut self, time: DateTime<Utc>) {
self.next_queue = Some(time);
}
pub(crate) fn new(
processor: String,
queue: String,
args: Value,
max_retries: MaxRetries,
backoff_strategy: Backoff,
) -> Self {
NewJobInfo {
processor,
queue,
args,
max_retries,
next_queue: None,
backoff_strategy,
}
}
pub(crate) fn with_id(self, id: usize) -> JobInfo {
JobInfo {
id,
processor: self.processor,
queue: self.queue,
status: JobStatus::Pending,
args: self.args,
retry_count: 0,
max_retries: self.max_retries,
next_queue: self.next_queue,
backoff_strategy: self.backoff_strategy,
updated_at: Utc::now(),
}
}
}
#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
/// Metadata pertaining to a job that exists within the background_jobs system
///
@ -30,8 +91,8 @@ use crate::{Backoff, JobStatus, MaxRetries, ShouldStop};
/// [Processor](https://docs.rs/background-jobs/0.3.0/background_jobs/trait.Processor.html)'s
/// new_job method.
pub struct JobInfo {
/// ID of the job, None means an ID has not been set
id: Option<usize>,
/// ID of the job
id: usize,
/// Name of the processor that should handle this job
processor: String,
@ -62,25 +123,8 @@ pub struct JobInfo {
}
impl JobInfo {
pub(crate) fn new(
processor: String,
queue: String,
args: Value,
max_retries: MaxRetries,
backoff_strategy: Backoff,
) -> Self {
JobInfo {
id: None,
processor,
queue,
status: JobStatus::Pending,
args,
retry_count: 0,
max_retries,
next_queue: None,
backoff_strategy,
updated_at: Utc::now(),
}
pub fn queue(&self) -> &str {
&self.queue
}
pub(crate) fn updated(&mut self) {
@ -99,14 +143,8 @@ impl JobInfo {
self.status.clone()
}
pub(crate) fn id(&self) -> Option<usize> {
self.id.clone()
}
pub(crate) fn set_id(&mut self, id: usize) {
if self.id.is_none() {
self.id = Some(id);
}
pub fn id(&self) -> usize {
self.id
}
pub(crate) fn increment(&mut self) -> ShouldStop {
@ -126,10 +164,13 @@ impl JobInfo {
};
self.next_queue = Some(next_queue);
}
pub(crate) fn schedule(&mut self, time: DateTime<Utc>) {
self.next_queue = Some(time);
trace!(
"Now {}, Next queue {}, ready {}",
now,
next_queue,
self.is_ready(now),
);
}
pub(crate) fn is_stale(&self) -> bool {
@ -147,6 +188,25 @@ impl JobInfo {
self.status == JobStatus::Failed
}
pub fn needs_retry(&mut self) -> bool {
let should_retry = self.is_failed() && self.increment().should_requeue();
if should_retry {
self.pending();
self.next_queue();
}
should_retry
}
pub fn retry_ready(&self) -> bool {
self.is_ready(Utc::now())
}
pub fn is_pending(&self) -> bool {
self.status == JobStatus::Pending
}
pub(crate) fn is_in_queue(&self, queue: &str) -> bool {
self.queue == queue
}

15
jobs-core/src/lib.rs
View file

@ -17,14 +17,8 @@
* along with Background Jobs. If not, see <http://www.gnu.org/licenses/>.
*/
#[macro_use]
extern crate failure;
#[macro_use]
extern crate log;
#[macro_use]
extern crate serde_derive;
use failure::Error;
use failure::{Error, Fail};
use serde_derive::{Deserialize, Serialize};
mod job;
mod job_info;
@ -33,7 +27,10 @@ mod processor_map;
mod storage;
pub use crate::{
job::Job, job_info::JobInfo, processor::Processor, processor_map::ProcessorMap,
job::Job,
job_info::{JobInfo, NewJobInfo},
processor::Processor,
processor_map::ProcessorMap,
storage::Storage,
};

18
jobs-core/src/processor.rs
View file

@ -18,14 +18,14 @@
*/
use chrono::{offset::Utc, DateTime};
use failure::Error;
use failure::{Error, Fail};
use futures::{
future::{Either, IntoFuture},
Future,
};
use serde_json::Value;
use crate::{Backoff, Job, JobError, JobInfo, MaxRetries};
use crate::{Backoff, Job, JobError, MaxRetries, NewJobInfo};
/// ## The Processor trait
///
@ -85,7 +85,7 @@ pub trait Processor<S = ()>: Clone
where
S: Clone + Send + Sync + 'static,
{
type Job: Job<S>;
type Job: Job<S> + 'static;
/// The name of the processor
///
@ -112,15 +112,15 @@ where
///
/// This is required for spawning jobs, since it enforces the relationship between the job and
/// the Processor that should handle it.
fn new_job(job: Self::Job) -> Result<JobInfo, Error> {
fn new_job(job: Self::Job) -> Result<NewJobInfo, Error> {
let queue = job.queue().unwrap_or(Self::QUEUE).to_owned();
let max_retries = job.max_retries().unwrap_or(Self::MAX_RETRIES);
let backoff_strategy = job.backoff_strategy().unwrap_or(Self::BACKOFF_STRATEGY);
let job = JobInfo::new(
let job = NewJobInfo::new(
Self::NAME.to_owned(),
queue,
serde_json::to_value(job)?,
serde_json::to_value(job).map_err(|_| ToJson)?,
max_retries,
backoff_strategy,
);
@ -129,7 +129,7 @@ where
}
/// Create a JobInfo to schedule a job to be performed after a certain time
fn new_scheduled_job(job: Self::Job, after: DateTime<Utc>) -> Result<JobInfo, Error> {
fn new_scheduled_job(job: Self::Job, after: DateTime<Utc>) -> Result<NewJobInfo, Error> {
let mut job = Self::new_job(job)?;
job.schedule(after);
@ -187,3 +187,7 @@ where
Box::new(fut)
}
}
#[derive(Clone, Debug, Fail)]
#[fail(display = "Failed to to turn job into value")]
pub struct ToJson;

5
jobs-core/src/processor_map.rs
View file

@ -20,6 +20,7 @@
use std::collections::HashMap;
use futures::future::{Either, Future, IntoFuture};
use log::{error, info};
use serde_json::Value;
use crate::{JobError, JobInfo, Processor};
@ -107,12 +108,12 @@ fn process(process_fn: &ProcessFn, mut job: JobInfo) -> impl Future<Item = JobIn
process_fn(args).then(move |res| match res {
Ok(_) => {
info!("Job completed, {}", processor);
info!("Job {} completed, {}", job.id(), processor);
job.pass();
Ok(job)
}
Err(e) => {
error!("Job errored, {}, {}", processor, e);
error!("Job {} errored, {}, {}", job.id(), processor, e);
job.fail();
Ok(job)
}

316
jobs-core/src/storage.rs
View file

@ -18,17 +18,19 @@
*/
use std::{
collections::{BTreeMap, BTreeSet},
collections::{BTreeMap, BTreeSet, HashMap},
path::PathBuf,
str::Utf8Error,
sync::{Arc, RwLock, RwLockWriteGuard},
};
use chrono::offset::Utc;
use failure::Fail;
use kv::{json::Json, Bucket, Config, CursorOp, Error, Manager, Serde, Store, Txn, ValueBuf};
use lmdb::Error as LmdbError;
use log::{info, trace};
use crate::{JobInfo, JobStatus};
use crate::{JobInfo, JobStatus, NewJobInfo};
struct Buckets<'a> {
queued: Bucket<'a, &'a [u8], ValueBuf<Json<usize>>>,
@ -61,16 +63,15 @@ impl<'a> Buckets<'a> {
/// None of the methods in this module are intended to be used outside of a background-jobs
/// runtime.
pub struct Storage {
runner_id: usize,
store: Arc<RwLock<Store>>,
}
impl Storage {
pub fn new(runner_id: usize, store: Arc<RwLock<Store>>) -> Self {
Storage { runner_id, store }
pub fn new(store: Arc<RwLock<Store>>) -> Self {
Storage { store }
}
pub fn init(runner_id: usize, path: PathBuf) -> Result<Self, Error> {
pub fn init(path: PathBuf) -> Result<Self, Error> {
let mut manager = Manager::new();
let mut cfg = Config::default(path);
@ -83,17 +84,17 @@ impl Storage {
let handle = manager.open(cfg)?;
Ok(Storage::new(runner_id, handle))
Ok(Storage::new(handle))
}
pub fn get_new_id(&self) -> Result<usize, Error> {
pub fn get_new_id(&self, runner_id: usize) -> Result<usize, Error> {
let store = self.store.write()?;
let bucket = store.bucket::<&[u8], ValueBuf<Json<usize>>>(Some(Storage::id_store()))?;
let mut txn = store.write_txn()?;
let new_id = self.with_lock(&bucket, &mut txn, b"id-lock", |txn| {
let new_id = self.with_lock(&bucket, &mut txn, b"id-lock", runner_id, |txn| {
let id = match txn.get(&bucket, b"current-id") {
Ok(id) => id.inner()?.to_serde(),
Err(e) => match e {
@ -115,7 +116,7 @@ impl Storage {
Ok(new_id)
}
pub fn requeue_staged_jobs(&self) -> Result<(), Error> {
pub fn requeue_staged_jobs(&self, runner_id: usize) -> Result<(), Error> {
let store = self.store.write()?;
let job_bucket =
store.bucket::<&[u8], ValueBuf<Json<JobInfo>>>(Some(Storage::job_store()))?;
@ -128,95 +129,42 @@ impl Storage {
let mut write_txn = store.write_txn()?;
let read_txn = store.read_txn()?;
self.with_lock::<_, (), _>(&lock_bucket, &mut write_txn, b"job-queue", |inner_txn| {
let mut cursor = read_txn.read_cursor(&buckets.staged)?;
match cursor.get(None, CursorOp::First) {
Ok(_) => (),
Err(e) => match e {
Error::NotFound => {
return Ok(());
}
e => {
return Err(e);
}
},
}
let initial_value = Ok(inner_txn) as Result<&mut Txn, Error>;
let _ = cursor.iter().fold(initial_value, |acc, (key, _)| {
acc.and_then(|inner_txn| {
let job = inner_txn.get(&job_bucket, &key)?.inner()?.to_serde();
let job_value = Json::to_value_buf(job)?;
inner_txn.set(&job_bucket, key, job_value)?;
self.queue_job(&buckets, inner_txn, key)?;
Ok(inner_txn)
})
})?;
Ok(())
})?;
read_txn.commit()?;
write_txn.commit()?;
Ok(())
}
pub fn check_stalled_jobs(&self) -> Result<(), Error> {
let store = self.store.write()?;
let job_bucket =
store.bucket::<&[u8], ValueBuf<Json<JobInfo>>>(Some(Storage::job_store()))?;
let lock_bucket =
store.bucket::<&[u8], ValueBuf<Json<usize>>>(Some(Storage::job_lock()))?;
let buckets = Buckets::new(&store)?;
let mut write_txn = store.write_txn()?;
let read_txn = store.read_txn()?;
self.with_lock::<_, (), _>(&lock_bucket, &mut write_txn, b"job-queue", |inner_txn| {
let mut cursor = read_txn.read_cursor(&buckets.running)?;
match cursor.get(None, CursorOp::First) {
Ok(_) => (),
Err(e) => match e {
Error::NotFound => {
return Ok(());
}
e => {
return Err(e);
}
},
}
let initial_value = Ok(inner_txn) as Result<&mut Txn, Error>;
let _ = cursor.iter().fold(initial_value, |acc, (key, _)| {
acc.and_then(|inner_txn| {
let mut job = inner_txn.get(&job_bucket, &key)?.inner()?.to_serde();
if job.is_stale() {
if job.increment().should_requeue() {
let job_value = Json::to_value_buf(job)?;
inner_txn.set(&job_bucket, key, job_value)?;
self.queue_job(&buckets, inner_txn, key)?;
} else {
job.fail();
let job_value = Json::to_value_buf(job)?;
inner_txn.set(&job_bucket, key, job_value)?;
self.fail_job(&buckets, inner_txn, key)?;
self.with_lock::<_, (), _>(
&lock_bucket,
&mut write_txn,
b"job-queue",
runner_id,
|inner_txn| {
let mut cursor = read_txn.read_cursor(&buckets.staged)?;
match cursor.get(None, CursorOp::First) {
Ok(_) => (),
Err(e) => match e {
Error::NotFound => {
return Ok(());
}
}
e => {
return Err(e);
}
},
}
Ok(inner_txn)
})
})?;
let initial_value = Ok(inner_txn) as Result<&mut Txn, Error>;
Ok(())
})?;
let _ = cursor.iter().fold(initial_value, |acc, (key, _)| {
acc.and_then(|inner_txn| {
let job = inner_txn.get(&job_bucket, &key)?.inner()?.to_serde();
let job_value = Json::to_value_buf(job)?;
inner_txn.set(&job_bucket, key, job_value)?;
self.queue_job(&buckets, inner_txn, key, runner_id)?;
Ok(inner_txn)
})
})?;
Ok(())
},
)?;
read_txn.commit()?;
write_txn.commit()?;
@ -224,7 +172,77 @@ impl Storage {
Ok(())
}
pub fn stage_jobs(&self, limit: usize, queue: &str) -> Result<Vec<JobInfo>, Error> {
pub fn check_stalled_jobs(&self, runner_id: usize) -> Result<(), Error> {
let store = self.store.write()?;
let job_bucket =
store.bucket::<&[u8], ValueBuf<Json<JobInfo>>>(Some(Storage::job_store()))?;
let lock_bucket =
store.bucket::<&[u8], ValueBuf<Json<usize>>>(Some(Storage::job_lock()))?;
let buckets = Buckets::new(&store)?;
let mut write_txn = store.write_txn()?;
let read_txn = store.read_txn()?;
self.with_lock::<_, (), _>(
&lock_bucket,
&mut write_txn,
b"job-queue",
runner_id,
|inner_txn| {
let mut cursor = read_txn.read_cursor(&buckets.running)?;
match cursor.get(None, CursorOp::First) {
Ok(_) => (),
Err(e) => match e {
Error::NotFound => {
return Ok(());
}
e => {
return Err(e);
}
},
}
let initial_value = Ok(inner_txn) as Result<&mut Txn, Error>;
let _ = cursor.iter().fold(initial_value, |acc, (key, _)| {
acc.and_then(|inner_txn| {
let mut job = inner_txn.get(&job_bucket, &key)?.inner()?.to_serde();
if job.is_stale() {
if job.increment().should_requeue() {
let job_value = Json::to_value_buf(job)?;
inner_txn.set(&job_bucket, key, job_value)?;
self.queue_job(&buckets, inner_txn, key, runner_id)?;
} else {
job.fail();
let job_value = Json::to_value_buf(job)?;
inner_txn.set(&job_bucket, key, job_value)?;
self.fail_job(&buckets, inner_txn, key, runner_id)?;
}
}
Ok(inner_txn)
})
})?;
Ok(())
},
)?;
read_txn.commit()?;
write_txn.commit()?;
Ok(())
}
pub fn stage_jobs(
&self,
limit: usize,
queue: &str,
runner_id: usize,
) -> Result<Vec<JobInfo>, Error> {
let store = self.store.write()?;
trace!("Got store");
@ -246,11 +264,34 @@ impl Storage {
&lock_bucket,
&mut txn,
b"job-queue",
runner_id,
|inner_txn| {
trace!("Got lock");
let mut jobs = HashMap::new();
let mut cursor = read_txn.read_cursor(&buckets.queued)?;
let now = Utc::now();
trace!("Got cursor");
match cursor.get(None, CursorOp::First) {
Ok(_) => (),
Ok((maybe_key, _)) => {
if let Some(key) = maybe_key {
match inner_txn.get(&job_bucket, &key) {
Ok(job) => {
let mut job = job.inner()?.to_serde();
if job.is_ready(now) && job.is_in_queue(queue) {
job.stage();
self.stage_job(&buckets, inner_txn, key, runner_id)?;
jobs.insert(job.id(), job);
}
}
Err(e) => match e {
Error::NotFound => (),
err => return Err(err),
},
}
}
}
Err(e) => match e {
Error::NotFound => {
trace!("No items in queue");
@ -264,22 +305,18 @@ impl Storage {
trace!("Set cursor to first");
let initial_value =
Ok((inner_txn, Vec::new())) as Result<(&mut Txn, Vec<JobInfo>), Error>;
Ok((inner_txn, jobs)) as Result<(&mut Txn, HashMap<usize, JobInfo>), Error>;
let now = Utc::now();
trace!("Got lock");
let (_inner_txn, vec) = cursor.iter().fold(initial_value, |acc, (key, _)| {
let (_inner_txn, mut hm) = cursor.iter().fold(initial_value, |acc, (key, _)| {
acc.and_then(|(inner_txn, mut jobs)| {
if jobs.len() < limit {
let mut job = inner_txn.get(&job_bucket, &key)?.inner()?.to_serde();
job.stage();
if job.is_ready(now) && job.is_in_queue(queue) {
self.stage_job(&buckets, inner_txn, key)?;
job.stage();
self.stage_job(&buckets, inner_txn, key, runner_id)?;
jobs.push(job);
jobs.insert(job.id(), job);
}
}
@ -287,7 +324,7 @@ impl Storage {
})
})?;
Ok(vec)
Ok(hm.drain().map(|(_, v)| v).collect())
},
)?;
@ -302,26 +339,18 @@ impl Storage {
Ok(result)
}
pub fn store_job(&self, mut job: JobInfo) -> Result<(), Error> {
let job_id = match job.id() {
Some(id) => id.to_string(),
None => {
let id = self.get_new_id()?;
job.set_id(id);
id.to_string()
}
};
pub fn assign_id(&self, job: NewJobInfo, runner_id: usize) -> Result<JobInfo, Error> {
let id = self.get_new_id(runner_id)?;
let job = job.with_id(id);
trace!("Generaged job id, {}", job.id());
Ok(job)
}
pub fn store_job(&self, mut job: JobInfo, runner_id: usize) -> Result<(), Error> {
let job_id = job.id().to_string();
job.updated();
trace!("Generaged job id, {}", job_id);
if job.is_failed() {
if job.increment().should_requeue() {
job.pending();
job.next_queue();
}
}
job.needs_retry();
let status = job.status();
let job_value = Json::to_value_buf(job)?;
@ -341,11 +370,13 @@ impl Storage {
trace!("Set value");
match status {
JobStatus::Pending => self.queue_job(&buckets, &mut txn, job_id.as_ref())?,
JobStatus::Running => self.run_job(&buckets, &mut txn, job_id.as_ref())?,
JobStatus::Staged => self.stage_job(&buckets, &mut txn, job_id.as_ref())?,
JobStatus::Failed => self.fail_job(&buckets, &mut txn, job_id.as_ref())?,
JobStatus::Finished => self.finish_job(&buckets, &mut txn, job_id.as_ref())?,
JobStatus::Pending => self.queue_job(&buckets, &mut txn, job_id.as_ref(), runner_id)?,
JobStatus::Running => self.run_job(&buckets, &mut txn, job_id.as_ref(), runner_id)?,
JobStatus::Staged => self.stage_job(&buckets, &mut txn, job_id.as_ref(), runner_id)?,
JobStatus::Failed => self.fail_job(&buckets, &mut txn, job_id.as_ref(), runner_id)?,
JobStatus::Finished => {
self.finish_job(&buckets, &mut txn, job_id.as_ref(), runner_id)?
}
}
trace!("Committing");
@ -360,6 +391,7 @@ impl Storage {
&self,
base_port: usize,
queues: BTreeSet<String>,
runner_id: usize,
) -> Result<BTreeMap<String, usize>, PortMapError> {
let store = self.store.write().map_err(|e| Error::from(e))?;
@ -375,6 +407,7 @@ impl Storage {
&queue_port_bucket,
&mut write_txn,
lock_name.as_ref(),
runner_id,
|write_txn| {
let mut cursor = read_txn.read_cursor(&queue_port_bucket)?;
@ -436,8 +469,9 @@ impl Storage {
buckets: &'env Buckets<'env>,
txn: &mut Txn<'env>,
id: &[u8],
runner_id: usize,
) -> Result<(), Error> {
self.add_job_to(&buckets.staged, txn, id)?;
self.add_job_to(&buckets.staged, txn, id, runner_id)?;
self.delete_job_from(&buckets.finished, txn, id)?;
self.delete_job_from(&buckets.failed, txn, id)?;
self.delete_job_from(&buckets.running, txn, id)?;
@ -451,8 +485,9 @@ impl Storage {
buckets: &'env Buckets<'env>,
txn: &mut Txn<'env>,
id: &[u8],
runner_id: usize,
) -> Result<(), Error> {
self.add_job_to(&buckets.queued, txn, id)?;
self.add_job_to(&buckets.queued, txn, id, runner_id)?;
self.delete_job_from(&buckets.finished, txn, id)?;
self.delete_job_from(&buckets.failed, txn, id)?;
self.delete_job_from(&buckets.running, txn, id)?;
@ -466,8 +501,9 @@ impl Storage {
buckets: &'env Buckets<'env>,
txn: &mut Txn<'env>,
id: &[u8],
runner_id: usize,
) -> Result<(), Error> {
self.add_job_to(&buckets.failed, txn, id)?;
self.add_job_to(&buckets.failed, txn, id, runner_id)?;
self.delete_job_from(&buckets.finished, txn, id)?;
self.delete_job_from(&buckets.running, txn, id)?;
self.delete_job_from(&buckets.staged, txn, id)?;
@ -481,8 +517,9 @@ impl Storage {
buckets: &'env Buckets<'env>,
txn: &mut Txn<'env>,
id: &[u8],
runner_id: usize,
) -> Result<(), Error> {
self.add_job_to(&buckets.running, txn, id)?;
self.add_job_to(&buckets.running, txn, id, runner_id)?;
self.delete_job_from(&buckets.staged, txn, id)?;
self.delete_job_from(&buckets.finished, txn, id)?;
self.delete_job_from(&buckets.failed, txn, id)?;
@ -496,8 +533,9 @@ impl Storage {
buckets: &'env Buckets<'env>,
txn: &mut Txn<'env>,
id: &[u8],
runner_id: usize,
) -> Result<(), Error> {
self.add_job_to(&buckets.finished, txn, id)?;
self.add_job_to(&buckets.finished, txn, id, runner_id)?;
self.delete_job_from(&buckets.running, txn, id)?;
self.delete_job_from(&buckets.staged, txn, id)?;
self.delete_job_from(&buckets.failed, txn, id)?;
@ -511,8 +549,9 @@ impl Storage {
bucket: &'env Bucket<&[u8], ValueBuf<Json<usize>>>,
txn: &mut Txn<'env>,
id: &[u8],
runner_id: usize,
) -> Result<(), Error> {
txn.set(bucket, id, Json::to_value_buf(self.runner_id)?)?;
txn.set(bucket, id, Json::to_value_buf(runner_id)?)?;
trace!("Set value");
Ok(())
@ -545,16 +584,17 @@ impl Storage {
lock_bucket: &'env Bucket<&[u8], ValueBuf<Json<usize>>>,
txn: &mut Txn<'env>,
lock_key: &[u8],
runner_id: usize,
callback: F,
) -> Result<T, E>
where
F: Fn(&mut Txn<'env>) -> Result<T, E>,
E: From<Error>,
{
let mut other_runner_id = 0;
let mut other_runner_id = 10;
loop {
let lock_value = Json::to_value_buf(self.runner_id)?;
let lock_value = Json::to_value_buf(runner_id)?;
let mut inner_txn = txn.txn()?;
let res = inner_txn.set_no_overwrite(lock_bucket, lock_key, lock_value);

6
jobs-server/Cargo.toml
View file

@ -1,7 +1,7 @@
[package]
name = "background-jobs-server"
description = "Jobs processor server based on ZeroMQ"
version = "0.3.1"
version = "0.4.0"
license = "GPL-3.0"
authors = ["asonix <asonix@asonix.dog>"]
repository = "https://git.asonix.dog/asonix/background-jobs"
@ -20,10 +20,10 @@ tokio-threadpool = "0.1"
zmq = "0.8"
[features]
default = ["tokio-zmq"]
default = []
[dependencies.background-jobs-core]
version = "0.3"
version = "0.4"
path = "../jobs-core"
[dependencies.tokio-zmq]

28
jobs-server/src/server/mod.rs
View file

@ -41,9 +41,9 @@ use self::{portmap::PortMapConfig, pull::PullConfig, push::PushConfig, stalled::
#[derive(Clone)]
pub(crate) struct Config {
server_id: usize,
ip: String,
base_port: usize,
runner_id: usize,
queues: BTreeSet<String>,
db_path: PathBuf,
context: Arc<Context>,
@ -51,31 +51,30 @@ pub(crate) struct Config {
impl Config {
fn create_server(&self) -> Box<dyn Future<Item = (), Error = ()> + Send> {
let runner_id = self.runner_id;
let db_path = self.db_path.clone();
let base_port = self.base_port;
let queues = self.queues.clone();
let server_id = self.server_id;
let config = Arc::new(self.clone());
let fut = poll_fn(move || {
let runner_id = runner_id;
let db_path = db_path.clone();
let base_port = base_port;
let queues = queues.clone();
blocking(move || {
let storage = Arc::new(Storage::init(runner_id, db_path)?);
storage.requeue_staged_jobs()?;
storage.check_stalled_jobs()?;
let port_map = storage.get_port_mapping(base_port, queues)?;
let storage = Arc::new(Storage::init(db_path)?);
storage.requeue_staged_jobs(server_id)?;
storage.check_stalled_jobs(server_id)?;
let port_map = storage.get_port_mapping(base_port, queues, server_id)?;
Ok((storage, port_map))
})
})
.from_err::<Error>()
.then(coerce)
.and_then(|(storage, port_map)| {
.and_then(move |(storage, port_map)| {
for queue in config.queues.iter() {
let port = port_map.get(queue).ok_or(MissingQueue(queue.to_owned()))?;
@ -84,6 +83,7 @@ impl Config {
info!("Creating queue {} on address {}", queue, address);
tokio::spawn(PushConfig::init(
server_id,
address,
queue.to_owned(),
storage.clone(),
@ -91,7 +91,7 @@ impl Config {
));
}
StalledConfig::init(storage.clone());
StalledConfig::init(server_id, storage.clone());
let portmap_address = format!("tcp://{}:{}", config.ip, config.base_port + 1);
info!("Creating portmap on address {}", portmap_address);
@ -105,7 +105,7 @@ impl Config {
let pull_address = format!("tcp://{}:{}", config.ip, config.base_port);
info!("Creating puller on address {}", pull_address);
tokio::spawn(PullConfig::init(pull_address, storage, config));
tokio::spawn(PullConfig::init(server_id, pull_address, storage, config));
Ok(())
})
@ -169,15 +169,15 @@ impl ServerConfig {
/// This method returns a future that, when run, spawns all of the server's required futures
/// onto tokio. Therefore, this can only be used from tokio.
pub fn init<P: AsRef<Path>>(
server_id: usize,
ip: &str,
base_port: usize,
runner_id: usize,
queues: BTreeSet<String>,
db_path: P,
) -> Box<dyn Future<Item = (), Error = ()> + Send> {
let context = Arc::new(Context::new());
Self::init_with_context(ip, base_port, runner_id, queues, db_path, context)
Self::init_with_context(server_id, ip, base_port, queues, db_path, context)
}
/// The same as `ServerConfig::init()`, but with a provided ZeroMQ Context.
@ -188,17 +188,17 @@ impl ServerConfig {
/// If you're running the Server, Worker, and Spawner in the same application, you should share
/// a ZeroMQ context between them.
pub fn init_with_context<P: AsRef<Path>>(
server_id: usize,
ip: &str,
base_port: usize,
runner_id: usize,
queues: BTreeSet<String>,
db_path: P,
context: Arc<Context>,
) -> Box<dyn Future<Item = (), Error = ()> + Send> {
let config = Config {
server_id,
ip: ip.to_owned(),
base_port,
runner_id,
queues,
db_path: db_path.as_ref().to_owned(),
context,

37
jobs-server/src/server/pull.rs
View file

@ -19,12 +19,13 @@
use std::{sync::Arc, time::Duration};
use background_jobs_core::{JobInfo, Storage};
use background_jobs_core::{JobInfo, NewJobInfo, Storage};
use failure::{Error, Fail};
use futures::{future::poll_fn, Future, Stream};
#[cfg(feature = "futures-zmq")]
use futures_zmq::{prelude::*, Multipart, Pull};
use log::{error, info, trace};
use serde_derive::Deserialize;
use tokio::timer::Delay;
use tokio_threadpool::blocking;
#[cfg(feature = "tokio-zmq")]
@ -32,7 +33,15 @@ use tokio_zmq::{prelude::*, Multipart, Pull};
use crate::server::{coerce, Config};
#[derive(Clone, Debug, Deserialize)]
#[serde(untagged)]
enum EitherJob {
New(NewJobInfo),
Existing(JobInfo),
}
pub(crate) struct PullConfig {
server_id: usize,
puller: Pull,
address: String,
storage: Arc<Storage>,
@ -41,11 +50,13 @@ pub(crate) struct PullConfig {
impl PullConfig {
pub(crate) fn init(
server_id: usize,
address: String,
storage: Arc<Storage>,
config: Arc<Config>,
) -> impl Future<Item = (), Error = ()> {
let cfg = ResetPullConfig {
server_id,
address,
storage,
config,
@ -57,6 +68,7 @@ impl PullConfig {
fn run(self) -> Box<dyn Future<Item = (), Error = ()> + Send> {
let config = self.reset();
let server_id = self.server_id;
let storage = self.storage.clone();
@ -71,7 +83,7 @@ impl PullConfig {
.and_then(parse_job)
.and_then(move |job| {
trace!("Storing job, {:?}", job);
store_job(job, storage.clone())
store_job(job, storage.clone(), server_id)
})
.for_each(|_| Ok(()))
.map(|_| info!("Puller is shutting down"))
@ -86,6 +98,7 @@ impl PullConfig {
fn reset(&self) -> ResetPullConfig {
ResetPullConfig {
server_id: self.server_id,
address: self.address.clone(),
storage: self.storage.clone(),
config: self.config.clone(),
@ -97,7 +110,7 @@ impl PullConfig {
#[fail(display = "Message was empty")]
pub struct EmptyMessage;
fn parse_job(mut multipart: Multipart) -> Result<JobInfo, Error> {
fn parse_job(mut multipart: Multipart) -> Result<EitherJob, Error> {
let unparsed_msg = multipart.pop_front().ok_or(EmptyMessage)?;
let parsed = serde_json::from_slice(&unparsed_msg)?;
@ -105,19 +118,32 @@ fn parse_job(mut multipart: Multipart) -> Result<JobInfo, Error> {
Ok(parsed)
}
fn store_job(job: JobInfo, storage: Arc<Storage>) -> impl Future<Item = (), Error = Error> {
fn store_job(
job: EitherJob,
storage: Arc<Storage>,
server_id: usize,
) -> impl Future<Item = (), Error = Error> {
let storage = storage.clone();
poll_fn(move || {
let job = job.clone();
let storage = storage.clone();
blocking(move || storage.store_job(job).map_err(Error::from)).map_err(Error::from)
blocking(move || {
let job = match job {
EitherJob::New(new_job) => storage.assign_id(new_job, server_id)?,
EitherJob::Existing(job) => job,
};
storage.store_job(job, server_id).map_err(Error::from)
})
.map_err(Error::from)
})
.then(coerce)
}
struct ResetPullConfig {
server_id: usize,
address: String,
storage: Arc<Storage>,
config: Arc<Config>,
@ -137,6 +163,7 @@ impl ResetPullConfig {
.build()
.map(|puller| {
let config = PullConfig {
server_id: self.server_id,
puller,
address: self.address,
storage: self.storage,

30
jobs-server/src/server/push.rs
View file

@ -34,6 +34,7 @@ use zmq::Message;
use crate::server::{coerce, Config};
pub(crate) struct PushConfig {
server_id: usize,
pusher: Push,
address: String,
queue: String,
@ -43,12 +44,14 @@ pub(crate) struct PushConfig {
impl PushConfig {
pub(crate) fn init(
server_id: usize,
address: String,
queue: String,
storage: Arc<Storage>,
config: Arc<Config>,
) -> impl Future<Item = (), Error = ()> {
let cfg = ResetPushConfig {
server_id,
address,
queue,
storage,
@ -63,6 +66,7 @@ impl PushConfig {
let reset = self.reset();
let PushConfig {
server_id,
address: _,
pusher,
queue,
@ -74,7 +78,7 @@ impl PushConfig {
let fut = Interval::new(tokio::clock::now(), Duration::from_millis(250))
.from_err()
.and_then(move |_| dequeue_jobs(storage.clone(), queue.clone()))
.and_then(move |_| dequeue_jobs(storage.clone(), queue.clone(), server_id))
.flatten()
.forward(pusher.sink(25))
.map(move |_| {
@ -94,6 +98,7 @@ impl PushConfig {
fn reset(&self) -> ResetPushConfig {
ResetPushConfig {
server_id: self.server_id,
address: self.address.clone(),
queue: self.queue.clone(),
storage: self.storage.clone(),
@ -105,11 +110,12 @@ impl PushConfig {
fn dequeue_jobs(
storage: Arc<Storage>,
queue: String,
server_id: usize,
) -> impl Future<Item = impl Stream<Item = Multipart, Error = Error>, Error = Error> {
poll_fn(move || {
let storage = storage.clone();
let queue = queue.clone();
blocking(move || wrap_fetch_queue(storage, &queue))
blocking(move || wrap_fetch_queue(storage, &queue, server_id))
})
.then(coerce)
.map(|jobs| iter_ok(jobs))
@ -119,8 +125,12 @@ fn dequeue_jobs(
})
}
fn wrap_fetch_queue(storage: Arc<Storage>, queue: &str) -> Result<Vec<Multipart>, Error> {
let response = fetch_queue(storage, queue)?;
fn wrap_fetch_queue(
storage: Arc<Storage>,
queue: &str,
server_id: usize,
) -> Result<Vec<Multipart>, Error> {
let response = fetch_queue(storage, queue, server_id)?;
let jobs = response
.into_iter()
@ -135,11 +145,18 @@ fn wrap_fetch_queue(storage: Arc<Storage>, queue: &str) -> Result<Vec<Multipart>
Ok(jobs)
}
fn fetch_queue(storage: Arc<Storage>, queue: &str) -> Result<Vec<JobInfo>, Error> {
storage.stage_jobs(100, queue).map_err(Error::from)
fn fetch_queue(
storage: Arc<Storage>,
queue: &str,
server_id: usize,
) -> Result<Vec<JobInfo>, Error> {
storage
.stage_jobs(100, queue, server_id)
.map_err(Error::from)
}
struct ResetPushConfig {
server_id: usize,
address: String,
queue: String,
storage: Arc<Storage>,
@ -161,6 +178,7 @@ impl ResetPushConfig {
.build()
.map(|pusher| {
let config = PushConfig {
server_id: self.server_id,
pusher,
address: self.address,
queue: self.queue,

9
jobs-server/src/server/stalled.rs
View file

@ -30,12 +30,13 @@ use crate::server::coerce;
#[derive(Clone)]
pub(crate) struct StalledConfig {
server_id: usize,
storage: Arc<Storage>,
}
impl StalledConfig {
pub(crate) fn init(storage: Arc<Storage>) {
let cfg = StalledConfig { storage };
pub(crate) fn init(server_id: usize, storage: Arc<Storage>) {
let cfg = StalledConfig { server_id, storage };
tokio::spawn(cfg.run());
}
@ -43,7 +44,7 @@ impl StalledConfig {
fn run(self) -> Box<dyn Future<Item = (), Error = ()> + Send> {
let reset = self.clone();
let StalledConfig { storage } = self;
let StalledConfig { server_id, storage } = self;
let fut = Interval::new(tokio::clock::now(), Duration::from_secs(60 * 30))
.from_err::<Error>()
@ -51,7 +52,7 @@ impl StalledConfig {
let storage = storage.clone();
poll_fn(move || {
let storage = storage.clone();
blocking(move || storage.check_stalled_jobs().map_err(Error::from))
blocking(move || storage.check_stalled_jobs(server_id).map_err(Error::from))
})
.from_err()
})

3
src/lib.rs
View file

@ -242,3 +242,6 @@ pub use background_jobs_core::{Backoff, Job, MaxRetries, Processor};
#[cfg(feature = "background-jobs-server")]
pub use background_jobs_server::{ServerConfig, SpawnerConfig, SyncJob, WorkerConfig};
#[cfg(feature = "background-jobs-actix")]
pub use background_jobs_actix::{QueueHandle, ServerConfig, WorkerConfig};