harness-drone/datastore/bolt/task.go
2015-04-14 22:04:38 -07:00

96 lines
2.5 KiB
Go

package bolt
import (
"bytes"
"io"
"strconv"
"github.com/boltdb/bolt"
"github.com/drone/drone/common"
)
// GetTask gets the task at index N for the named
// repository and build number.
func (db *DB) Task(repo string, build int, task int) (*common.Task, error) {
key := []byte(repo + "/" + strconv.Itoa(build) + "/" + strconv.Itoa(task))
task_ := &common.Task{}
err := db.View(func(t *bolt.Tx) error {
return get(t, bucketBuildTasks, key, task_)
})
return task_, err
}
// TaskList gets all tasks for the named repository
// and build number.
func (db *DB) TaskList(repo string, build int) ([]*common.Task, error) {
// fetch the build so that we can get the
// number of child tasks.
build_, err := db.Build(repo, build)
if err != nil {
return nil, err
}
t, err := db.Begin(false)
if err != nil {
return nil, err
}
defer t.Rollback()
// based on the number of child tasks, incrment
// and loop to get each task from the bucket.
tasks := []*common.Task{}
for i := 1; i <= build_.Number; i++ {
key := []byte(repo + "/" + strconv.Itoa(build) + "/" + strconv.Itoa(i))
raw := t.Bucket(bucketBuildTasks).Get(key)
if raw == nil {
return nil, ErrKeyNotFound
}
task := &common.Task{}
err := decode(raw, task)
if err != nil {
return nil, err
}
tasks = append(tasks, task)
}
return tasks, nil
}
// SetTask inserts or updates a task for the named
// repository and build number.
func (db *DB) SetTask(repo string, build int, task *common.Task) error {
key := []byte(repo + "/" + strconv.Itoa(build) + "/" + strconv.Itoa(task.Number))
return db.Update(func(t *bolt.Tx) error {
return update(t, bucketBuildTasks, key, task)
})
}
// SetLogs inserts or updates a task logs for the
// named repository and build number.
func (db *DB) SetLogs(repo string, build int, task int, log []byte) error {
key := []byte(repo + "/" + strconv.Itoa(build) + "/" + strconv.Itoa(task))
t, err := db.Begin(true)
if err != nil {
return err
}
err = t.Bucket(bucketBuildLogs).Put(key, log)
if err != nil {
t.Rollback()
return err
}
return t.Commit()
}
// LogReader gets the task logs at index N for
// the named repository and build number.
func (db *DB) LogReader(repo string, build int, task int) (io.Reader, error) {
key := []byte(repo + "/" + strconv.Itoa(build) + "/" + strconv.Itoa(task))
var log []byte
err := db.View(func(t *bolt.Tx) error {
var err error
log, err = raw(t, bucketBuildLogs, key)
return err
})
buf := bytes.NewBuffer(log)
return buf, err
}