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use std::path::PathBuf;
use std::sync::Arc;
use std::sync::RwLock;
use anyhow::Context;
use anyhow::Error;
use anyhow::Result;
use anyhow::anyhow;
use diesel::PgConnection;
use typed_builder::TypedBuilder;
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: 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 scheduler = EndpointScheduler::setup(self.endpoint_config, self.staging_store.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: self.database,
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() {
// create a multi-bar for showing the overall jobset status as well as one bar per
// running job.
let jobset_bar = indicatif::MultiProgress::default();
// Create a "overview bar", which shows the progress of all jobs of the jobset combined
let jobset_overview_bar = jobset_bar.add({
self.progress_generator.jobset_bar(i + 1, number_of_jobsets, jobset.len())
});
let merged_store = MergedStores::new(self.release_store.clone(), self.staging_store.clone());
let (results, logs) = { // run the jobs in the set
let unordered_results = futures::stream::FuturesUnordered::new();
let unordered_receivers = futures::stream::FuturesUnordered::new();
for runnable in jobset.into_runables(&merged_store, &self.source_cache) {
let runnable = runnable?;
let job_id = runnable.uuid().clone();
trace!("Runnable {} for package {}", job_id, runnable.package().name());
let (sender, receiver) = tokio::sync::mpsc::unbounded_channel::<LogItem>();
let jobhandle = self.scheduler.schedule_job(runnable, sender).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)
let bar = jobset_overview_bar.clone();
unordered_results.push(async move {
let r = jobhandle.get_result().await;
trace!("Found result in job {}: {:?}", job_id, r);
bar.tick();
r
});
unordered_receivers.push(async move {
(job_id, receiver)
});
}
(unordered_results.collect::<Result<Vec<_>>>(), unordered_receivers.collect::<Vec<_>>())
};
let (results, logs) = tokio::join!(results, logs);
// TODO: Use logs.
{
let log_processing_results = futures::stream::FuturesUnordered::new();
for (job_id, mut log) in logs {
let bar = jobset_bar.add(self.progress_generator.job_bar(&job_id));
log_processing_results.push(async move {
let mut success = None;
while let Some(logitem) = log.recv().await {
match logitem {
LogItem::Line(_) => {
// ignore
},
LogItem::Progress(u) => {
bar.set_position(u as u64);
},
LogItem::CurrentPhase(phasename) => {
bar.set_message(&format!("{} Phase: {}", job_id, phasename));
},
LogItem::State(Ok(s)) => {
bar.set_message(&format!("{} State Ok: {}", job_id, s));
success = Some(true);
},
LogItem::State(Err(e)) => {
bar.set_message(&format!("{} State Err: {}", job_id, e));
success = Some(false);
},
}
}
match success {
Some(true) => bar.finish_with_message(&format!("{} finished successfully", job_id)),
Some(false) => bar.finish_with_message(&format!("{} finished with error", job_id)),
None => bar.finish_with_message(&format!("{} finished", job_id)),
}
});
}
let _ = log_processing_results.collect::<Vec<_>>().await;
}
let results = results?
.into_iter()
.flatten()
.collect::<Vec<PathBuf>>();
let _ = jobset_overview_bar.finish();
let _ = jobset_bar.join()?;
{ // check if all paths that were written are actually there in the staging store
let staging_store_lock = self.staging_store
.read()
.map_err(|_| anyhow!("Lock Poisoned"))?;
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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