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fix: surveyor now distinguishes nulls from errors

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This commit is contained in:
əlemi 2022-11-10 21:53:50 +01:00
parent 35f1675a00
commit b2eb097585
Signed by: alemi
GPG key ID: A4895B84D311642C
2 changed files with 13 additions and 12 deletions
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8
src/data/entities/metrics.rs
View file

@ -52,12 +52,8 @@ impl Related<super::panels::Entity> for Entity {
impl ActiveModelBehavior for ActiveModel {}
impl Model {
pub fn extract(&self, value: &serde_json::Value) -> Result<PlotPoint, FetchError> {
let x = Utc::now().timestamp() as f64;
let y = jql::walker(value, self.query.as_str())?
.as_f64()
.ok_or(FetchError::JQLError("query result is null".to_string()))?;
Ok(PlotPoint { x, y })
pub fn extract(&self, value: &serde_json::Value) -> Result<Option<f64>, FetchError> {
Ok(jql::walker(value, self.query.as_str())?.as_f64())
}
}

17
src/worker/surveyor.rs
View file

@ -74,14 +74,19 @@ pub async fn surveyor_loop(
error!(target: "surveyor", "[{}] Failed setting last_update ({:?}) for source {:?} but successfully fetched '{}', aborting", index, e, source_clone, res);
return;
}
let now = Utc::now().timestamp() as f64;
for metric in metrics_snapshot.iter().filter(|x| source_clone.id == x.source_id) {
match metric.extract(&res) {
Ok(v) => {
if let Err(e) = entities::points::Entity::insert(
entities::points::ActiveModel {
id: NotSet, metric_id: Set(metric.id), x: Set(v.x), y: Set(v.y),
}).exec(&db_clone).await {
error!(target: "surveyor", "[{}] Could not insert record {:?} : {:?}", index, v, e);
// note that Err and None mean different things: Err for broken queries, None for
// missing values. Only first one is reported
Ok(value) => {
if let Some(v) = value {
if let Err(e) = entities::points::Entity::insert(
entities::points::ActiveModel {
id: NotSet, metric_id: Set(metric.id), x: Set(now), y: Set(v),
}).exec(&db_clone).await {
error!(target: "surveyor", "[{}] Could not insert record ({},{}) : {:?}", index, now, v, e);
}
}
},
Err(e) => error!(target: "surveyor", "[{}] Failed extracting '{}' from {}: {:?}", index, metric.name, source_clone.name, e),