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use std::io::Write;
use std::path::PathBuf;
use std::result::Result as RResult;
use std::sync::Arc;
use anyhow::Context;
use anyhow::Error;
use anyhow::Result;
use anyhow::anyhow;
use diesel::PgConnection;
use log::trace;
use tokio::sync::RwLock;
use typed_builder::TypedBuilder;
use crate::config::Configuration;
use crate::db::models::Artifact;
use crate::db::models::Submit;
use crate::endpoint::ContainerError;
use crate::endpoint::EndpointConfiguration;
use crate::endpoint::EndpointScheduler;
use crate::filestore::MergedStores;
use crate::filestore::ReleaseStore;
use crate::filestore::StagingStore;
use crate::job::JobSet;
use crate::job::RunnableJob;
use crate::source::SourceCache;
use crate::util::progress::ProgressBars;
pub struct Orchestrator<'a> {
scheduler: EndpointScheduler,
progress_generator: ProgressBars,
merged_stores: MergedStores,
source_cache: SourceCache,
jobsets: Vec<JobSet>,
config: &'a Configuration,
}
#[derive(TypedBuilder)]
pub struct OrchestratorSetup<'a> {
progress_generator: ProgressBars,
endpoint_config: Vec<EndpointConfiguration>,
staging_store: Arc<RwLock<StagingStore>>,
release_store: Arc<RwLock<ReleaseStore>>,
source_cache: SourceCache,
jobsets: Vec<JobSet>,
database: PgConnection,
submit: Submit,
log_dir: Option<PathBuf>,
config: &'a Configuration,
}
impl<'a> OrchestratorSetup<'a> {
pub async fn setup(self) -> Result<Orchestrator<'a>> {
let db = Arc::new(self.database);
let scheduler = EndpointScheduler::setup(self.endpoint_config, self.staging_store.clone(), db, self.submit.clone(), self.log_dir).await?;
Ok(Orchestrator {
scheduler: scheduler,
progress_generator: self.progress_generator,
merged_stores: MergedStores::new(self.release_store, self.staging_store),
source_cache: self.source_cache,
jobsets: self.jobsets,
config: self.config,
})
}
}
impl<'a> Orchestrator<'a> {
pub async fn run(self) -> Result<Vec<Artifact>> {
let mut report_result = vec![];
for jobset in self.jobsets.into_iter() {
let mut results = Self::run_jobset(&self.scheduler,
&self.merged_stores,
&self.source_cache,
&self.config,
&self.progress_generator,
jobset)
.await?;
report_result.append(&mut results);
}
Ok(report_result)
}
async fn run_jobset(
scheduler: &EndpointScheduler,
merged_store: &MergedStores,
source_cache: &SourceCache,
config: &Configuration,
progress_generator: &ProgressBars,
jobset: JobSet)
-> Result<Vec<Artifact>>
{
use tokio::stream::StreamExt;
let multibar = Arc::new(indicatif::MultiProgress::new());
let results = jobset // run the jobs in the set
.into_runables(&merged_store, source_cache, config)
.await?
.into_iter()
.map(|runnable| {
let bar = multibar.add(progress_generator.job_bar(runnable.uuid()));
Self::run_runnable(runnable, scheduler, bar)
})
.collect::<futures::stream::FuturesUnordered<_>>()
.collect::<Vec<RResult<Vec<Artifact>, ContainerError>>>();
let multibar_block = tokio::task::spawn_blocking(move || multibar.join());
let (results, barres) = tokio::join!(results, multibar_block);
let _ = barres?;
let (okays, errors): (Vec<_>, Vec<_>) = results
.into_iter()
.inspect(|e| trace!("Processing result from jobset run: {:?}", e))
.partition(|e| e.is_ok());
let results = okays.into_iter().filter_map(Result::ok).flatten().collect::<Vec<Artifact>>();
{
let mut out = std::io::stderr();
for error in errors {
if let Err(e) = error {
if let Some(expl) = e.explain_container_error() {
writeln!(out, "{}", expl)?;
}
}
}
}
{ // check if all paths that were written are actually there in the staging store
let staging_store_lock = merged_store.staging().read().await;
trace!("Checking {} results...", results.len());
for artifact in results.iter() {
let a_path = artifact.path_buf();
trace!("Checking path: {}", a_path.display());
if !staging_store_lock.path_exists_in_store_root(&a_path) {
return Err(anyhow!("Result path {} is missing from staging store", a_path.display()))
.with_context(|| anyhow!("Should be: {}/{}", staging_store_lock.root_path().display(), a_path.display()))
.map_err(Error::from)
}
}
}
Ok(results)
}
async fn run_runnable(runnable: RunnableJob, scheduler: &EndpointScheduler, bar: indicatif::ProgressBar)
-> RResult<Vec<Artifact>, ContainerError>
{
let job_id = runnable.uuid().clone();
trace!("Runnable {} for package {}", job_id, runnable.package().name());
let jobhandle = scheduler.schedule_job(runnable, bar).await?;
trace!("Jobhandle -> {:?}", jobhandle);
let r = jobhandle.run().await;
trace!("Found result in job {}: {:?}", job_id, r);
r
}
}
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