mirror of https://github.com/grafana/grafana.git
397 lines
12 KiB
Go
397 lines
12 KiB
Go
package legacy
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import (
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"context"
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"database/sql"
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"fmt"
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"path/filepath"
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"sync"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"github.com/grafana/grafana/pkg/apimachinery/identity"
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"github.com/grafana/grafana/pkg/apimachinery/utils"
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dashboardsV0 "github.com/grafana/grafana/pkg/apis/dashboard/v0alpha1"
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"github.com/grafana/grafana/pkg/components/simplejson"
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"github.com/grafana/grafana/pkg/infra/appcontext"
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"github.com/grafana/grafana/pkg/infra/db"
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"github.com/grafana/grafana/pkg/services/apiserver/endpoints/request"
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gapiutil "github.com/grafana/grafana/pkg/services/apiserver/utils"
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"github.com/grafana/grafana/pkg/services/dashboards"
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"github.com/grafana/grafana/pkg/services/provisioning"
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"github.com/grafana/grafana/pkg/services/sqlstore/session"
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"github.com/grafana/grafana/pkg/storage/unified/resource"
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)
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var (
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_ DashboardAccess = (*dashboardSqlAccess)(nil)
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)
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type dashboardRow struct {
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// The numeric version for this dashboard
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Version int64
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// Dashboard resource
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Dash *dashboardsV0.Dashboard
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// The folder UID (needed for access control checks)
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FolderUID string
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// Size (in bytes) of the dashboard payload
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Bytes int
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// The token we can use that will start a new connection that includes
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// this same dashboard
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token *continueToken
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}
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type dashboardSqlAccess struct {
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sql db.DB
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sess *session.SessionDB
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namespacer request.NamespaceMapper
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dashStore dashboards.Store
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provisioning provisioning.ProvisioningService
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// Typically one... the server wrapper
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subscribers []chan *resource.WrittenEvent
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mutex sync.Mutex
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}
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func NewDashboardAccess(sql db.DB,
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namespacer request.NamespaceMapper,
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dashStore dashboards.Store,
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provisioning provisioning.ProvisioningService,
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) DashboardAccess {
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return &dashboardSqlAccess{
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sql: sql,
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sess: sql.GetSqlxSession(),
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namespacer: namespacer,
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dashStore: dashStore,
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provisioning: provisioning,
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}
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}
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const selector = `SELECT
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dashboard.org_id, dashboard.id,
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dashboard.uid, dashboard.folder_uid,
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dashboard.created,dashboard.created_by,CreatedUSER.uid as created_uid,
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dashboard.updated,dashboard.updated_by,UpdatedUSER.uid as updated_uid,
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plugin_id,
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dashboard_provisioning.name as origin_name,
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dashboard_provisioning.external_id as origin_path,
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dashboard_provisioning.check_sum as origin_key,
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dashboard_provisioning.updated as origin_ts,
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dashboard.version, '', dashboard.data
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FROM dashboard
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LEFT OUTER JOIN dashboard_provisioning ON dashboard.id = dashboard_provisioning.dashboard_id
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LEFT OUTER JOIN user AS CreatedUSER ON dashboard.created_by = CreatedUSER.id
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LEFT OUTER JOIN user AS UpdatedUSER ON dashboard.created_by = UpdatedUSER.id
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WHERE dashboard.is_folder = false`
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const history = `SELECT
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dashboard.org_id, dashboard.id,
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dashboard.uid, dashboard.folder_uid,
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dashboard_version.created,dashboard_version.created_by,CreatedUSER.uid as created_uid,
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dashboard_version.created,dashboard_version.created_by,CreatedUSER.uid as updated_uid,
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plugin_id,
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dashboard_provisioning.name as origin_name,
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dashboard_provisioning.external_id as origin_path,
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dashboard_provisioning.check_sum as origin_key,
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dashboard_provisioning.updated as origin_ts,
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dashboard_version.version, dashboard_version.message, dashboard_version.data
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FROM dashboard
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LEFT OUTER JOIN dashboard_provisioning ON dashboard.id = dashboard_provisioning.dashboard_id
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LEFT OUTER JOIN dashboard_version ON dashboard.id = dashboard_version.dashboard_id
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LEFT OUTER JOIN user AS CreatedUSER ON dashboard_version.created_by = CreatedUSER.id
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WHERE dashboard.is_folder = false`
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func (a *dashboardSqlAccess) getRows(ctx context.Context, query *DashboardQuery) (*rowsWrapper, int, error) {
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if len(query.Labels) > 0 {
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return nil, 0, fmt.Errorf("labels not yet supported")
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// if query.Requirements.Folder != nil {
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// args = append(args, *query.Requirements.Folder)
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// sqlcmd = fmt.Sprintf("%s AND dashboard.folder_uid=$%d", sqlcmd, len(args))
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// }
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}
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var sqlcmd string
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args := []any{query.OrgID}
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limit := query.Limit
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if limit < 1 {
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limit = 15 //
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}
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if query.FromHistory {
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sqlcmd = fmt.Sprintf("%s AND dashboard.org_id=$%d\n ", history, len(args))
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if query.UID == "" {
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return nil, 0, fmt.Errorf("history query must have a UID")
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}
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args = append(args, query.UID)
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sqlcmd = fmt.Sprintf("%s AND dashboard.uid=$%d", sqlcmd, len(args))
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if query.Version > 0 {
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args = append(args, query.Version)
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sqlcmd = fmt.Sprintf("%s AND dashboard_version.version=$%d", sqlcmd, len(args))
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} else if query.MinID > 0 {
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args = append(args, query.MinID)
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sqlcmd = fmt.Sprintf("%s AND dashboard_version.version<$%d", sqlcmd, len(args))
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}
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args = append(args, (limit + 2)) // add more so we can include a next token
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sqlcmd = fmt.Sprintf("%s\n ORDER BY dashboard_version.version desc LIMIT $%d", sqlcmd, len(args))
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} else {
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sqlcmd = fmt.Sprintf("%s AND dashboard.org_id=$%d\n ", selector, len(args))
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if query.UID != "" {
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args = append(args, query.UID)
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sqlcmd = fmt.Sprintf("%s AND dashboard.uid=$%d", sqlcmd, len(args))
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} else if query.MinID > 0 {
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args = append(args, query.MinID)
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sqlcmd = fmt.Sprintf("%s AND dashboard.id>=$%d", sqlcmd, len(args))
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}
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args = append(args, (limit + 2)) // add more so we can include a next token
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sqlcmd = fmt.Sprintf("%s\n ORDER BY dashboard.id asc LIMIT $%d", sqlcmd, len(args))
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}
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fmt.Printf("%s // %v\n", sqlcmd, args)
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rows, err := a.doQuery(ctx, sqlcmd, args...)
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if err != nil {
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if rows != nil {
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_ = rows.Close()
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}
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rows = nil
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}
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return rows, limit, err
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}
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func (a *dashboardSqlAccess) doQuery(ctx context.Context, query string, args ...any) (*rowsWrapper, error) {
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_, err := identity.GetRequester(ctx)
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if err != nil {
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return nil, err
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}
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rows, err := a.sess.Query(ctx, query, args...)
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return &rowsWrapper{
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rows: rows,
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a: a,
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// This looks up rules from the permissions on a user
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canReadDashboard: func(scopes ...string) bool {
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return true // ???
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},
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// accesscontrol.Checker(user, dashboards.ActionDashboardsRead),
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}, err
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}
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type rowsWrapper struct {
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a *dashboardSqlAccess
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rows *sql.Rows
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idx int
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total int64
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canReadDashboard func(scopes ...string) bool
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}
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func (r *rowsWrapper) Close() error {
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return r.rows.Close()
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}
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func (r *rowsWrapper) Next() (*dashboardRow, error) {
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// breaks after first readable value
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for r.rows.Next() {
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r.idx++
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d, err := r.a.scanRow(r.rows)
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if d != nil {
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// Access control checker
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scopes := []string{dashboards.ScopeDashboardsProvider.GetResourceScopeUID(d.Dash.Name)}
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if d.FolderUID != "" { // Copied from searchV2... not sure the logic is right
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scopes = append(scopes, dashboards.ScopeFoldersProvider.GetResourceScopeUID(d.FolderUID))
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}
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if !r.canReadDashboard(scopes...) {
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continue
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}
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d.token.bytes = r.total // size before next!
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r.total += int64(d.Bytes)
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}
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// returns the first folder it can
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return d, err
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}
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return nil, nil
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}
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func (a *dashboardSqlAccess) scanRow(rows *sql.Rows) (*dashboardRow, error) {
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dash := &dashboardsV0.Dashboard{
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TypeMeta: dashboardsV0.DashboardResourceInfo.TypeMeta(),
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ObjectMeta: metav1.ObjectMeta{Annotations: make(map[string]string)},
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}
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row := &dashboardRow{Dash: dash}
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var dashboard_id int64
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var orgId int64
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var folder_uid sql.NullString
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var updated time.Time
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var updatedByID int64
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var updatedByUID sql.NullString
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var created time.Time
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var createdByID int64
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var createdByUID sql.NullString
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var message sql.NullString
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var plugin_id string
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var origin_name sql.NullString
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var origin_path sql.NullString
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var origin_ts sql.NullInt64
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var origin_hash sql.NullString
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var data []byte // the dashboard JSON
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var version int64
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err := rows.Scan(&orgId, &dashboard_id, &dash.Name, &folder_uid,
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&created, &createdByID, &createdByUID,
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&updated, &updatedByID, &updatedByUID,
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&plugin_id,
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&origin_name, &origin_path, &origin_hash, &origin_ts,
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&version, &message, &data,
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)
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row.token = &continueToken{orgId: orgId, id: dashboard_id}
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if err == nil {
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row.Version = version
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dash.ResourceVersion = fmt.Sprintf("%d", version)
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dash.Namespace = a.namespacer(orgId)
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dash.UID = gapiutil.CalculateClusterWideUID(dash)
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dash.SetCreationTimestamp(metav1.NewTime(created))
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meta, err := utils.MetaAccessor(dash)
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if err != nil {
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return nil, err
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}
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meta.SetUpdatedTimestamp(&updated)
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if createdByID > 0 {
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meta.SetCreatedBy(identity.NewNamespaceID(identity.NamespaceUser, createdByID).String())
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} else if createdByID < 0 {
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meta.SetCreatedBy(identity.NewNamespaceID(identity.NamespaceProvisioning, 0).String())
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}
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if updatedByID > 0 {
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meta.SetCreatedBy(identity.NewNamespaceID(identity.NamespaceUser, updatedByID).String())
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} else if updatedByID < 0 {
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meta.SetCreatedBy(identity.NewNamespaceID(identity.NamespaceProvisioning, 0).String())
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}
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if message.Valid && message.String != "" {
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meta.SetMessage(message.String)
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}
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if folder_uid.Valid {
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meta.SetFolder(folder_uid.String)
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row.FolderUID = folder_uid.String
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}
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if origin_name.Valid {
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ts := time.Unix(origin_ts.Int64, 0)
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resolvedPath := a.provisioning.GetDashboardProvisionerResolvedPath(origin_name.String)
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originPath, err := filepath.Rel(
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resolvedPath,
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origin_path.String,
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)
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if err != nil {
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return nil, err
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}
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meta.SetOriginInfo(&utils.ResourceOriginInfo{
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Name: origin_name.String,
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Path: originPath,
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Hash: origin_hash.String,
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Timestamp: &ts,
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})
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} else if plugin_id != "" {
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meta.SetOriginInfo(&utils.ResourceOriginInfo{
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Name: "plugin",
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Path: plugin_id,
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})
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}
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row.Bytes = len(data)
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if row.Bytes > 0 {
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err = dash.Spec.UnmarshalJSON(data)
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if err != nil {
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return row, err
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}
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dash.Spec.Set("id", dashboard_id) // add it so we can get it from the body later
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}
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}
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return row, err
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}
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// DeleteDashboard implements DashboardAccess.
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func (a *dashboardSqlAccess) DeleteDashboard(ctx context.Context, orgId int64, uid string) (*dashboardsV0.Dashboard, bool, error) {
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dash, _, err := a.GetDashboard(ctx, orgId, uid)
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if err != nil {
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return nil, false, err
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}
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id := dash.Spec.GetNestedInt64("id")
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if id == 0 {
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return nil, false, fmt.Errorf("could not find id in saved body")
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}
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err = a.dashStore.DeleteDashboard(ctx, &dashboards.DeleteDashboardCommand{
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OrgID: orgId,
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ID: id,
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})
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if err != nil {
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return nil, false, err
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}
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return dash, true, nil
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}
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// SaveDashboard implements DashboardAccess.
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func (a *dashboardSqlAccess) SaveDashboard(ctx context.Context, orgId int64, dash *dashboardsV0.Dashboard) (*dashboardsV0.Dashboard, bool, error) {
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created := false
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user, err := appcontext.User(ctx)
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if err != nil {
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return nil, created, err
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}
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if dash.Name != "" {
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dash.Spec.Set("uid", dash.Name)
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// Get the previous version to set the internal ID
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old, _ := a.dashStore.GetDashboard(ctx, &dashboards.GetDashboardQuery{
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OrgID: orgId,
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UID: dash.Name,
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})
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if old != nil {
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dash.Spec.Set("id", old.ID)
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} else {
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dash.Spec.Remove("id") // existing of "id" makes it an update
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created = true
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}
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} else {
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dash.Spec.Remove("id")
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dash.Spec.Remove("uid")
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}
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meta, err := utils.MetaAccessor(dash)
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if err != nil {
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return nil, false, err
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}
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out, err := a.dashStore.SaveDashboard(ctx, dashboards.SaveDashboardCommand{
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OrgID: orgId,
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Dashboard: simplejson.NewFromAny(dash.Spec.UnstructuredContent()),
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FolderUID: meta.GetFolder(),
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Overwrite: true, // already passed the revisionVersion checks!
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UserID: user.UserID,
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})
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if err != nil {
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return nil, false, err
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}
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if out != nil {
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created = (out.Created.Unix() == out.Updated.Unix()) // and now?
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}
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dash, _, err = a.GetDashboard(ctx, orgId, out.UID)
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return dash, created, err
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}
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