mirror of
https://github.com/grafana/grafana.git
synced 2024-11-28 03:34:15 -06:00
320 lines
8.3 KiB
Go
320 lines
8.3 KiB
Go
package sqlstore
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import (
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"bytes"
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"errors"
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"fmt"
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"strings"
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"time"
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"github.com/grafana/grafana/pkg/models"
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"github.com/grafana/grafana/pkg/services/annotations"
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)
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// Update the item so that EpochEnd >= Epoch
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func validateTimeRange(item *annotations.Item) error {
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if item.EpochEnd == 0 {
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if item.Epoch == 0 {
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return annotations.ErrTimerangeMissing
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}
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item.EpochEnd = item.Epoch
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}
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if item.Epoch == 0 {
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item.Epoch = item.EpochEnd
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}
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if item.EpochEnd < item.Epoch {
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item.Epoch, item.EpochEnd = item.EpochEnd, item.Epoch
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}
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return nil
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}
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type SQLAnnotationRepo struct {
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}
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func (r *SQLAnnotationRepo) Save(item *annotations.Item) error {
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return inTransaction(func(sess *DBSession) error {
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tags := models.ParseTagPairs(item.Tags)
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item.Tags = models.JoinTagPairs(tags)
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item.Created = timeNow().UnixNano() / int64(time.Millisecond)
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item.Updated = item.Created
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if item.Epoch == 0 {
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item.Epoch = item.Created
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}
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if err := validateTimeRange(item); err != nil {
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return err
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}
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if _, err := sess.Table("annotation").Insert(item); err != nil {
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return err
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}
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if item.Tags != nil {
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tags, err := EnsureTagsExist(sess, tags)
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if err != nil {
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return err
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}
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for _, tag := range tags {
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if _, err := sess.Exec("INSERT INTO annotation_tag (annotation_id, tag_id) VALUES(?,?)", item.Id, tag.Id); err != nil {
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return err
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}
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}
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}
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return nil
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})
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}
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func (r *SQLAnnotationRepo) Update(item *annotations.Item) error {
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return inTransaction(func(sess *DBSession) error {
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var (
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isExist bool
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err error
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)
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existing := new(annotations.Item)
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isExist, err = sess.Table("annotation").Where("id=? AND org_id=?", item.Id, item.OrgId).Get(existing)
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if err != nil {
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return err
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}
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if !isExist {
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return errors.New("annotation not found")
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}
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existing.Updated = timeNow().UnixNano() / int64(time.Millisecond)
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existing.Text = item.Text
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if item.Epoch != 0 {
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existing.Epoch = item.Epoch
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}
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if item.EpochEnd != 0 {
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existing.EpochEnd = item.EpochEnd
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}
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if err := validateTimeRange(existing); err != nil {
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return err
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}
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if item.Tags != nil {
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tags, err := EnsureTagsExist(sess, models.ParseTagPairs(item.Tags))
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if err != nil {
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return err
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}
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if _, err := sess.Exec("DELETE FROM annotation_tag WHERE annotation_id = ?", existing.Id); err != nil {
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return err
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}
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for _, tag := range tags {
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if _, err := sess.Exec("INSERT INTO annotation_tag (annotation_id, tag_id) VALUES(?,?)", existing.Id, tag.Id); err != nil {
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return err
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}
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}
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}
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existing.Tags = item.Tags
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_, err = sess.Table("annotation").ID(existing.Id).Cols("epoch", "text", "epoch_end", "updated", "tags").Update(existing)
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return err
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})
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}
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func (r *SQLAnnotationRepo) Find(query *annotations.ItemQuery) ([]*annotations.ItemDTO, error) {
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var sql bytes.Buffer
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params := make([]interface{}, 0)
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sql.WriteString(`
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SELECT
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annotation.id,
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annotation.epoch as time,
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annotation.epoch_end as time_end,
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annotation.dashboard_id,
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annotation.panel_id,
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annotation.new_state,
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annotation.prev_state,
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annotation.alert_id,
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annotation.text,
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annotation.tags,
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annotation.data,
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annotation.created,
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annotation.updated,
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usr.email,
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usr.login,
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alert.name as alert_name
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FROM annotation
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LEFT OUTER JOIN ` + dialect.Quote("user") + ` as usr on usr.id = annotation.user_id
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LEFT OUTER JOIN alert on alert.id = annotation.alert_id
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INNER JOIN (
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SELECT a.id from annotation a
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`)
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sql.WriteString(`WHERE a.org_id = ?`)
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params = append(params, query.OrgId)
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if query.AnnotationId != 0 {
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// fmt.Print("annotation query")
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sql.WriteString(` AND a.id = ?`)
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params = append(params, query.AnnotationId)
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}
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if query.AlertId != 0 {
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sql.WriteString(` AND a.alert_id = ?`)
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params = append(params, query.AlertId)
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}
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if query.DashboardId != 0 {
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sql.WriteString(` AND a.dashboard_id = ?`)
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params = append(params, query.DashboardId)
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}
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if query.PanelId != 0 {
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sql.WriteString(` AND a.panel_id = ?`)
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params = append(params, query.PanelId)
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}
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if query.UserId != 0 {
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sql.WriteString(` AND a.user_id = ?`)
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params = append(params, query.UserId)
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}
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if query.From > 0 && query.To > 0 {
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sql.WriteString(` AND a.epoch <= ? AND a.epoch_end >= ?`)
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params = append(params, query.To, query.From)
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}
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if query.Type == "alert" {
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sql.WriteString(` AND a.alert_id > 0`)
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} else if query.Type == "annotation" {
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sql.WriteString(` AND a.alert_id = 0`)
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}
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if len(query.Tags) > 0 {
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keyValueFilters := []string{}
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tags := models.ParseTagPairs(query.Tags)
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for _, tag := range tags {
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if tag.Value == "" {
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keyValueFilters = append(keyValueFilters, "(tag."+dialect.Quote("key")+" = ?)")
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params = append(params, tag.Key)
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} else {
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keyValueFilters = append(keyValueFilters, "(tag."+dialect.Quote("key")+" = ? AND tag."+dialect.Quote("value")+" = ?)")
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params = append(params, tag.Key, tag.Value)
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}
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}
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if len(tags) > 0 {
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tagsSubQuery := fmt.Sprintf(`
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SELECT SUM(1) FROM annotation_tag at
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INNER JOIN tag on tag.id = at.tag_id
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WHERE at.annotation_id = a.id
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AND (
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%s
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)
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`, strings.Join(keyValueFilters, " OR "))
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if query.MatchAny {
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sql.WriteString(fmt.Sprintf(" AND (%s) > 0 ", tagsSubQuery))
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} else {
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sql.WriteString(fmt.Sprintf(" AND (%s) = %d ", tagsSubQuery, len(tags)))
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}
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}
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}
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if query.Limit == 0 {
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query.Limit = 100
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}
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// order of ORDER BY arguments match the order of a sql index for performance
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sql.WriteString(" ORDER BY a.org_id, a.epoch_end DESC, a.epoch DESC" + dialect.Limit(query.Limit) + " ) dt on dt.id = annotation.id")
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items := make([]*annotations.ItemDTO, 0)
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if err := x.SQL(sql.String(), params...).Find(&items); err != nil {
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return nil, err
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}
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return items, nil
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}
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func (r *SQLAnnotationRepo) Delete(params *annotations.DeleteParams) error {
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return inTransaction(func(sess *DBSession) error {
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var (
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sql string
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annoTagSQL string
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queryParams []interface{}
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)
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sqlog.Info("delete", "orgId", params.OrgId)
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if params.Id != 0 {
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annoTagSQL = "DELETE FROM annotation_tag WHERE annotation_id IN (SELECT id FROM annotation WHERE id = ? AND org_id = ?)"
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sql = "DELETE FROM annotation WHERE id = ? AND org_id = ?"
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queryParams = []interface{}{params.Id, params.OrgId}
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} else {
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annoTagSQL = "DELETE FROM annotation_tag WHERE annotation_id IN (SELECT id FROM annotation WHERE dashboard_id = ? AND panel_id = ? AND org_id = ?)"
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sql = "DELETE FROM annotation WHERE dashboard_id = ? AND panel_id = ? AND org_id = ?"
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queryParams = []interface{}{params.DashboardId, params.PanelId, params.OrgId}
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}
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sqlOrArgs := append([]interface{}{annoTagSQL}, queryParams...)
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if _, err := sess.Exec(sqlOrArgs...); err != nil {
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return err
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}
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sqlOrArgs = append([]interface{}{sql}, queryParams...)
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if _, err := sess.Exec(sqlOrArgs...); err != nil {
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return err
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}
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return nil
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})
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}
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func (r *SQLAnnotationRepo) FindTags(query *annotations.TagsQuery) (annotations.FindTagsResult, error) {
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if query.Limit == 0 {
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query.Limit = 100
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}
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var sql bytes.Buffer
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params := make([]interface{}, 0)
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tagKey := `tag.` + dialect.Quote("key")
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tagValue := `tag.` + dialect.Quote("value")
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sql.WriteString(`
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SELECT
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` + tagKey + `,
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` + tagValue + `,
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count(*) as count
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FROM tag
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INNER JOIN annotation_tag ON tag.id = annotation_tag.tag_id
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`)
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sql.WriteString(`WHERE EXISTS(SELECT 1 FROM annotation WHERE annotation.id = annotation_tag.annotation_id AND annotation.org_id = ?)`)
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params = append(params, query.OrgID)
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sql.WriteString(` AND (` + tagKey + ` ` + dialect.LikeStr() + ` ? OR ` + tagValue + ` ` + dialect.LikeStr() + ` ?)`)
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params = append(params, `%`+query.Tag+`%`, `%`+query.Tag+`%`)
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sql.WriteString(` GROUP BY ` + tagKey + `,` + tagValue)
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sql.WriteString(` ORDER BY ` + tagKey + `,` + tagValue)
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sql.WriteString(` ` + dialect.Limit(query.Limit))
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var items []*annotations.Tag
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if err := x.SQL(sql.String(), params...).Find(&items); err != nil {
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return annotations.FindTagsResult{Tags: []*annotations.TagsDTO{}}, err
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}
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tags := make([]*annotations.TagsDTO, 0)
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for _, item := range items {
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tag := item.Key
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if len(item.Value) > 0 {
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tag = item.Key + ":" + item.Value
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}
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tags = append(tags, &annotations.TagsDTO{
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Tag: tag,
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Count: item.Count,
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})
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}
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return annotations.FindTagsResult{Tags: tags}, nil
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}
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