Files
grafana/pkg/services/sqlstore/dashboard.go
2018-02-07 15:13:34 +01:00

593 lines
14 KiB
Go

package sqlstore
import (
"strings"
"time"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/metrics"
m "github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/search"
"github.com/grafana/grafana/pkg/util"
)
func init() {
bus.AddHandler("sql", SaveDashboard)
bus.AddHandler("sql", GetDashboard)
bus.AddHandler("sql", GetDashboards)
bus.AddHandler("sql", DeleteDashboard)
bus.AddHandler("sql", SearchDashboards)
bus.AddHandler("sql", GetDashboardTags)
bus.AddHandler("sql", GetDashboardSlugById)
bus.AddHandler("sql", GetDashboardUIDById)
bus.AddHandler("sql", GetDashboardsByPluginId)
bus.AddHandler("sql", GetFoldersForSignedInUser)
bus.AddHandler("sql", GetDashboardPermissionsForUser)
bus.AddHandler("sql", GetDashboardsBySlug)
}
var generateNewUid func() string = util.GenerateShortUid
func SaveDashboard(cmd *m.SaveDashboardCommand) error {
return inTransaction(func(sess *DBSession) error {
dash := cmd.GetDashboardModel()
// try get existing dashboard
var existing m.Dashboard
if dash.Id != 0 {
dashWithIdExists, err := sess.Where("id=? AND org_id=?", dash.Id, dash.OrgId).Get(&existing)
if err != nil {
return err
}
if !dashWithIdExists {
return m.ErrDashboardNotFound
}
// check for is someone else has written in between
if dash.Version != existing.Version {
if cmd.Overwrite {
dash.Version = existing.Version
} else {
return m.ErrDashboardVersionMismatch
}
}
// do not allow plugin dashboard updates without overwrite flag
if existing.PluginId != "" && cmd.Overwrite == false {
return m.UpdatePluginDashboardError{PluginId: existing.PluginId}
}
} else if dash.Uid != "" {
var sameUid m.Dashboard
sameUidExists, err := sess.Where("org_id=? AND uid=?", dash.OrgId, dash.Uid).Get(&sameUid)
if err != nil {
return err
}
if sameUidExists {
// another dashboard with same uid
if dash.Id != sameUid.Id {
if cmd.Overwrite {
dash.Id = sameUid.Id
dash.Version = sameUid.Version
} else {
return m.ErrDashboardWithSameUIDExists
}
}
}
}
if dash.Uid == "" {
uid, err := generateNewDashboardUid(sess, dash.OrgId)
if err != nil {
return err
}
dash.Uid = uid
dash.Data.Set("uid", uid)
}
err := guaranteeDashboardNameIsUniqueInFolder(sess, dash)
if err != nil {
return err
}
err = setHasAcl(sess, dash)
if err != nil {
return err
}
parentVersion := dash.Version
affectedRows := int64(0)
if dash.Id == 0 {
dash.Version = 1
metrics.M_Api_Dashboard_Insert.Inc()
dash.Data.Set("version", dash.Version)
affectedRows, err = sess.Insert(dash)
} else {
dash.Version++
dash.Data.Set("version", dash.Version)
if !cmd.UpdatedAt.IsZero() {
dash.Updated = cmd.UpdatedAt
}
affectedRows, err = sess.MustCols("folder_id", "has_acl").ID(dash.Id).Update(dash)
}
if err != nil {
return err
}
if affectedRows == 0 {
return m.ErrDashboardNotFound
}
dashVersion := &m.DashboardVersion{
DashboardId: dash.Id,
ParentVersion: parentVersion,
RestoredFrom: cmd.RestoredFrom,
Version: dash.Version,
Created: time.Now(),
CreatedBy: dash.UpdatedBy,
Message: cmd.Message,
Data: dash.Data,
}
// insert version entry
if affectedRows, err = sess.Insert(dashVersion); err != nil {
return err
} else if affectedRows == 0 {
return m.ErrDashboardNotFound
}
// delete existing tags
_, err = sess.Exec("DELETE FROM dashboard_tag WHERE dashboard_id=?", dash.Id)
if err != nil {
return err
}
// insert new tags
tags := dash.GetTags()
if len(tags) > 0 {
for _, tag := range tags {
if _, err := sess.Insert(&DashboardTag{DashboardId: dash.Id, Term: tag}); err != nil {
return err
}
}
}
cmd.Result = dash
return err
})
}
func generateNewDashboardUid(sess *DBSession, orgId int64) (string, error) {
for i := 0; i < 3; i++ {
uid := generateNewUid()
exists, err := sess.Where("org_id=? AND uid=?", orgId, uid).Get(&m.Dashboard{})
if err != nil {
return "", err
}
if !exists {
return uid, nil
}
}
return "", m.ErrDashboardFailedGenerateUniqueUid
}
func guaranteeDashboardNameIsUniqueInFolder(sess *DBSession, dash *m.Dashboard) error {
var sameNameInFolder m.Dashboard
sameNameInFolderExist, err := sess.Where("org_id=? AND title=? AND folder_id = ? AND uid <> ?",
dash.OrgId, dash.Title, dash.FolderId, dash.Uid).
Get(&sameNameInFolder)
if err != nil {
return err
}
if sameNameInFolderExist {
return m.ErrDashboardWithSameNameInFolderExists
}
return nil
}
func setHasAcl(sess *DBSession, dash *m.Dashboard) error {
// check if parent has acl
if dash.FolderId > 0 {
var parent m.Dashboard
if hasParent, err := sess.Where("folder_id=?", dash.FolderId).Get(&parent); err != nil {
return err
} else if hasParent && parent.HasAcl {
dash.HasAcl = true
}
}
// check if dash has its own acl
if dash.Id > 0 {
if res, err := sess.Query("SELECT 1 from dashboard_acl WHERE dashboard_id =?", dash.Id); err != nil {
return err
} else {
if len(res) > 0 {
dash.HasAcl = true
}
}
}
return nil
}
func GetDashboard(query *m.GetDashboardQuery) error {
dashboard := m.Dashboard{Slug: query.Slug, OrgId: query.OrgId, Id: query.Id, Uid: query.Uid}
has, err := x.Get(&dashboard)
if err != nil {
return err
} else if has == false {
return m.ErrDashboardNotFound
}
dashboard.Data.Set("id", dashboard.Id)
dashboard.Data.Set("uid", dashboard.Uid)
query.Result = &dashboard
return nil
}
type DashboardSearchProjection struct {
Id int64
Uid string
Title string
Slug string
Term string
IsFolder bool
FolderId int64
FolderUid string
FolderSlug string
FolderTitle string
}
func findDashboards(query *search.FindPersistedDashboardsQuery) ([]DashboardSearchProjection, error) {
limit := query.Limit
if limit == 0 {
limit = 1000
}
sb := NewSearchBuilder(query.SignedInUser, limit).
WithTags(query.Tags).
WithDashboardIdsIn(query.DashboardIds)
if query.IsStarred {
sb.IsStarred()
}
if len(query.Title) > 0 {
sb.WithTitle(query.Title)
}
if len(query.Type) > 0 {
sb.WithType(query.Type)
}
if len(query.FolderIds) > 0 {
sb.WithFolderIds(query.FolderIds)
}
var res []DashboardSearchProjection
sql, params := sb.ToSql()
err := x.Sql(sql, params...).Find(&res)
if err != nil {
return nil, err
}
return res, nil
}
func SearchDashboards(query *search.FindPersistedDashboardsQuery) error {
res, err := findDashboards(query)
if err != nil {
return err
}
makeQueryResult(query, res)
return nil
}
func getHitType(item DashboardSearchProjection) search.HitType {
var hitType search.HitType
if item.IsFolder {
hitType = search.DashHitFolder
} else {
hitType = search.DashHitDB
}
return hitType
}
func makeQueryResult(query *search.FindPersistedDashboardsQuery, res []DashboardSearchProjection) {
query.Result = make([]*search.Hit, 0)
hits := make(map[int64]*search.Hit)
for _, item := range res {
hit, exists := hits[item.Id]
if !exists {
hit = &search.Hit{
Id: item.Id,
Uid: item.Uid,
Title: item.Title,
Uri: "db/" + item.Slug,
Url: m.GetDashboardFolderUrl(item.IsFolder, item.Uid, item.Slug),
Type: getHitType(item),
FolderId: item.FolderId,
FolderUid: item.FolderUid,
FolderTitle: item.FolderTitle,
Tags: []string{},
}
if item.FolderId > 0 {
hit.FolderUrl = m.GetFolderUrl(item.FolderUid, item.FolderSlug)
}
query.Result = append(query.Result, hit)
hits[item.Id] = hit
}
if len(item.Term) > 0 {
hit.Tags = append(hit.Tags, item.Term)
}
}
}
func GetDashboardTags(query *m.GetDashboardTagsQuery) error {
sql := `SELECT
COUNT(*) as count,
term
FROM dashboard
INNER JOIN dashboard_tag on dashboard_tag.dashboard_id = dashboard.id
WHERE dashboard.org_id=?
GROUP BY term`
query.Result = make([]*m.DashboardTagCloudItem, 0)
sess := x.Sql(sql, query.OrgId)
err := sess.Find(&query.Result)
return err
}
func GetFoldersForSignedInUser(query *m.GetFoldersForSignedInUserQuery) error {
query.Result = make([]*m.DashboardFolder, 0)
var err error
if query.SignedInUser.OrgRole == m.ROLE_ADMIN {
sql := `SELECT distinct d.id, d.title
FROM dashboard AS d WHERE d.is_folder = ? AND d.org_id = ?
ORDER BY d.title ASC`
err = x.Sql(sql, dialect.BooleanStr(true), query.OrgId).Find(&query.Result)
} else {
params := make([]interface{}, 0)
sql := `SELECT distinct d.id, d.title
FROM dashboard AS d
LEFT JOIN dashboard_acl AS da ON d.id = da.dashboard_id
LEFT JOIN team_member AS ugm ON ugm.team_id = da.team_id
LEFT JOIN org_user ou ON ou.role = da.role AND ou.user_id = ?
LEFT JOIN org_user ouRole ON ouRole.role = 'Editor' AND ouRole.user_id = ? AND ouRole.org_id = ?`
params = append(params, query.SignedInUser.UserId)
params = append(params, query.SignedInUser.UserId)
params = append(params, query.OrgId)
sql += ` WHERE
d.org_id = ? AND
d.is_folder = ? AND
(
(d.has_acl = ? AND da.permission > 1 AND (da.user_id = ? OR ugm.user_id = ? OR ou.id IS NOT NULL))
OR (d.has_acl = ? AND ouRole.id IS NOT NULL)
)`
params = append(params, query.OrgId)
params = append(params, dialect.BooleanStr(true))
params = append(params, dialect.BooleanStr(true))
params = append(params, query.SignedInUser.UserId)
params = append(params, query.SignedInUser.UserId)
params = append(params, dialect.BooleanStr(false))
if len(query.Title) > 0 {
sql += " AND d.title " + dialect.LikeStr() + " ?"
params = append(params, "%"+query.Title+"%")
}
sql += ` ORDER BY d.title ASC`
err = x.Sql(sql, params...).Find(&query.Result)
}
return err
}
func DeleteDashboard(cmd *m.DeleteDashboardCommand) error {
return inTransaction(func(sess *DBSession) error {
dashboard := m.Dashboard{Id: cmd.Id, OrgId: cmd.OrgId}
has, err := sess.Get(&dashboard)
if err != nil {
return err
} else if has == false {
return m.ErrDashboardNotFound
}
deletes := []string{
"DELETE FROM dashboard_tag WHERE dashboard_id = ? ",
"DELETE FROM star WHERE dashboard_id = ? ",
"DELETE FROM dashboard WHERE id = ?",
"DELETE FROM playlist_item WHERE type = 'dashboard_by_id' AND value = ?",
"DELETE FROM dashboard_version WHERE dashboard_id = ?",
"DELETE FROM dashboard WHERE folder_id = ?",
"DELETE FROM annotation WHERE dashboard_id = ?",
}
for _, sql := range deletes {
_, err := sess.Exec(sql, dashboard.Id)
if err != nil {
return err
}
}
if err := DeleteAlertDefinition(dashboard.Id, sess); err != nil {
return nil
}
return nil
})
}
func GetDashboards(query *m.GetDashboardsQuery) error {
if len(query.DashboardIds) == 0 {
return m.ErrCommandValidationFailed
}
var dashboards = make([]*m.Dashboard, 0)
err := x.In("id", query.DashboardIds).Find(&dashboards)
query.Result = dashboards
if err != nil {
return err
}
return nil
}
// GetDashboardPermissionsForUser returns the maximum permission the specified user has for a dashboard(s)
// The function takes in a list of dashboard ids and the user id and role
func GetDashboardPermissionsForUser(query *m.GetDashboardPermissionsForUserQuery) error {
if len(query.DashboardIds) == 0 {
return m.ErrCommandValidationFailed
}
if query.OrgRole == m.ROLE_ADMIN {
var permissions = make([]*m.DashboardPermissionForUser, 0)
for _, d := range query.DashboardIds {
permissions = append(permissions, &m.DashboardPermissionForUser{
DashboardId: d,
Permission: m.PERMISSION_ADMIN,
PermissionName: m.PERMISSION_ADMIN.String(),
})
}
query.Result = permissions
return nil
}
params := make([]interface{}, 0)
// check dashboards that have ACLs via user id, team id or role
sql := `SELECT d.id AS dashboard_id, MAX(COALESCE(da.permission, pt.permission)) AS permission
FROM dashboard AS d
LEFT JOIN dashboard_acl as da on d.folder_id = da.dashboard_id or d.id = da.dashboard_id
LEFT JOIN team_member as ugm on ugm.team_id = da.team_id
LEFT JOIN org_user ou ON ou.role = da.role AND ou.user_id = ?
`
params = append(params, query.UserId)
//check the user's role for dashboards that do not have hasAcl set
sql += `LEFT JOIN org_user ouRole ON ouRole.user_id = ? AND ouRole.org_id = ?`
params = append(params, query.UserId)
params = append(params, query.OrgId)
sql += `
LEFT JOIN (SELECT 1 AS permission, 'Viewer' AS role
UNION SELECT 2 AS permission, 'Editor' AS role
UNION SELECT 4 AS permission, 'Admin' AS role) pt ON ouRole.role = pt.role
WHERE
d.Id IN (?` + strings.Repeat(",?", len(query.DashboardIds)-1) + `) `
for _, id := range query.DashboardIds {
params = append(params, id)
}
sql += ` AND
d.org_id = ? AND
(
(d.has_acl = ? AND (da.user_id = ? OR ugm.user_id = ? OR ou.id IS NOT NULL))
OR (d.has_acl = ? AND ouRole.id IS NOT NULL)
)
group by d.id
order by d.id asc`
params = append(params, query.OrgId)
params = append(params, dialect.BooleanStr(true))
params = append(params, query.UserId)
params = append(params, query.UserId)
params = append(params, dialect.BooleanStr(false))
x.ShowSQL(true)
err := x.Sql(sql, params...).Find(&query.Result)
x.ShowSQL(false)
for _, p := range query.Result {
p.PermissionName = p.Permission.String()
}
return err
}
func GetDashboardsByPluginId(query *m.GetDashboardsByPluginIdQuery) error {
var dashboards = make([]*m.Dashboard, 0)
whereExpr := "org_id=? AND plugin_id=? AND is_folder=" + dialect.BooleanStr(false)
err := x.Where(whereExpr, query.OrgId, query.PluginId).Find(&dashboards)
query.Result = dashboards
if err != nil {
return err
}
return nil
}
type DashboardSlugDTO struct {
Slug string
}
func GetDashboardSlugById(query *m.GetDashboardSlugByIdQuery) error {
var rawSql = `SELECT slug from dashboard WHERE Id=?`
var slug = DashboardSlugDTO{}
exists, err := x.SQL(rawSql, query.Id).Get(&slug)
if err != nil {
return err
} else if exists == false {
return m.ErrDashboardNotFound
}
query.Result = slug.Slug
return nil
}
func GetDashboardsBySlug(query *m.GetDashboardsBySlugQuery) error {
var dashboards []*m.Dashboard
if err := x.Where("org_id=? AND slug=?", query.OrgId, query.Slug).Find(&dashboards); err != nil {
return err
}
query.Result = dashboards
return nil
}
func GetDashboardUIDById(query *m.GetDashboardRefByIdQuery) error {
var rawSql = `SELECT uid, slug from dashboard WHERE Id=?`
us := &m.DashboardRef{}
exists, err := x.SQL(rawSql, query.Id).Get(us)
if err != nil {
return err
} else if exists == false {
return m.ErrDashboardNotFound
}
query.Result = us
return nil
}