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job_metrics.go
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/
job_metrics.go
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package eventline
import (
"fmt"
"github.com/exograd/go-daemon/pg"
)
func (j *Job) LoadStatusCounts(conn pg.Conn, params *MetricParameters) (MetricPoints, error) {
query := fmt.Sprintf(`
SELECT EXTRACT(EPOCH FROM date_trunc('%s', start_time))::INT8,
COUNT(status),
COUNT(status) FILTER (WHERE status = 'successful'),
COUNT(status) FILTER (WHERE status = 'aborted'),
COUNT(status) FILTER (WHERE status = 'failed')
FROM job_executions
WHERE job_id = $1
AND start_time BETWEEN $2 AND $3
GROUP BY date_trunc('%s', start_time);
`, string(params.Granularity), string(params.Granularity))
var points MetricPoints
err := pg.QueryObjects(conn, &points, query,
j.Id, params.Start, params.End)
if err != nil {
return nil, err
}
return points, nil
}
func (j *Job) LoadRunningTimes(conn pg.Conn, params *MetricParameters) (MetricPoints, error) {
query := fmt.Sprintf(`
WITH data AS
(SELECT EXTRACT(EPOCH FROM date_trunc('%s', start_time))::INT8 AS date,
percentile_cont(ARRAY[0.99, 0.8, 0.5])
WITHIN GROUP
(ORDER BY EXTRACT(EPOCH FROM end_time - start_time))
AS percentiles
FROM job_executions
WHERE job_id = $1
AND status = 'successful'
AND start_time BETWEEN $2 AND $3
AND end_time IS NOT NULL
GROUP BY date_trunc('%s', start_time))
SELECT date, percentiles[1], percentiles[2], percentiles[3] FROM data
`, string(params.Granularity), string(params.Granularity))
var points MetricPoints
err := pg.QueryObjects(conn, &points, query,
j.Id, params.Start, params.End)
if err != nil {
return nil, err
}
return points, nil
}