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use std::path::PathBuf;
use std::sync::Arc;
use tokio::sync::RwLock;
use anyhow::Context;
use anyhow::Error;
use anyhow::Result;
use anyhow::anyhow;
use diesel::PgConnection;
use typed_builder::TypedBuilder;
use uuid::Uuid;
use tokio::sync::mpsc::UnboundedReceiver;
use indicatif::ProgressBar;
use crate::db::models::Submit;
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::log::FileLogSinkFactory;
use crate::log::LogItem;
use crate::source::SourceCache;
use crate::util::progress::ProgressBars;
pub struct Orchestrator {
progress_generator: ProgressBars,
scheduler: EndpointScheduler,
staging_store: Arc<RwLock<StagingStore>>,
release_store: Arc<RwLock<ReleaseStore>>,
source_cache: SourceCache,
jobsets: Vec<JobSet>,
database: Arc<PgConnection>,
file_log_sink_factory: Option<FileLogSinkFactory>,
}
#[derive(TypedBuilder)]
pub struct OrchestratorSetup {
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,
file_log_sink_factory: Option<FileLogSinkFactory>,
}
impl OrchestratorSetup {
pub async fn setup(self) -> Result<Orchestrator> {
let db = Arc::new(self.database);
let scheduler = EndpointScheduler::setup(self.endpoint_config, self.staging_store.clone(), db.clone(), self.progress_generator.clone(), self.submit.clone()).await?;
Ok(Orchestrator {
progress_generator: self.progress_generator,
scheduler: scheduler,
staging_store: self.staging_store,
release_store: self.release_store,
source_cache: self.source_cache,
jobsets: self.jobsets,
database: db,
file_log_sink_factory: self.file_log_sink_factory,
})
}
}
impl Orchestrator {
pub async fn run(self) -> Result<Vec<PathBuf>> {
use tokio::stream::StreamExt;
let mut report_result = vec![];
let number_of_jobsets = self.jobsets.len();
let database = self.database;
for (i, jobset) in self.jobsets.into_iter().enumerate() {
let merged_store = MergedStores::new(self.release_store.clone(), self.staging_store.clone());
let multibar = Arc::new(indicatif::MultiProgress::new());
let results = { // run the jobs in the set
let unordered_results = futures::stream::FuturesUnordered::new();
for runnable in jobset.into_runables(&merged_store, &self.source_cache).await?.into_iter() {
let job_id = runnable.uuid().clone();
trace!("Runnable {} for package {}", job_id, runnable.package().name());
let jobhandle = self.scheduler.schedule_job(runnable, multibar.clone()).await?;
trace!("Jobhandle -> {:?}", jobhandle);
// clone the bar here, so we can give a handle to the async result fetcher closure
// where we tick() it as soon as the job returns the result (= is finished)
unordered_results.push(async move {
let r = jobhandle.run().await;
trace!("Found result in job {}: {:?}", job_id, r);
r
});
}
unordered_results.collect::<Result<Vec<_>>>()
};
let multibar_block = tokio::task::spawn_blocking(move || multibar.join());
let (results, barres) = tokio::join!(results, multibar_block);
let _ = barres?;
let results = results?
.into_iter()
.flatten()
.collect::<Vec<PathBuf>>();
{ // check if all paths that were written are actually there in the staging store
let staging_store_lock = self.staging_store.read().await;
trace!("Checking {} results...", results.len());
for path in results.iter() {
trace!("Checking path: {}", path.display());
if !staging_store_lock.path_exists_in_store_root(&path) {
return Err(anyhow!("Result path {} is missing from staging store", path.display()))
.with_context(|| anyhow!("Should be: {}/{}", staging_store_lock.root_path().display(), path.display()))
.map_err(Error::from)
}
}
}
let mut results = results; // rebind!
report_result.append(&mut results);
}
Ok(report_result)
}
}
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