mirror of https://github.com/grafana/grafana.git
534 lines
13 KiB
Go
534 lines
13 KiB
Go
package legacy
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import (
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"context"
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"database/sql"
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"encoding/json"
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"fmt"
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"path/filepath"
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"strconv"
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"sync"
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"time"
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"github.com/grafana/authlib/claims"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/utils/ptr"
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"github.com/grafana/grafana/pkg/apimachinery/apis/common/v0alpha1"
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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/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/storage/legacysql"
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"github.com/grafana/grafana/pkg/storage/unified/resource"
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"github.com/grafana/grafana/pkg/storage/unified/sql/sqltemplate"
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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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RV 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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// 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 legacysql.LegacyDatabaseProvider
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namespacer request.NamespaceMapper
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provisioning provisioning.ProvisioningService
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// Use for writing (not reading)
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dashStore dashboards.Store
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softDelete bool
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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 legacysql.LegacyDatabaseProvider,
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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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softDelete bool,
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) DashboardAccess {
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return &dashboardSqlAccess{
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sql: sql,
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namespacer: namespacer,
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dashStore: dashStore,
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provisioning: provisioning,
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softDelete: softDelete,
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}
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}
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func (a *dashboardSqlAccess) getRows(ctx context.Context, sql *legacysql.LegacyDatabaseHelper, query *DashboardQuery) (*rowsWrapper, error) {
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if len(query.Labels) > 0 {
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return nil, 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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req := newQueryReq(sql, query)
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tmpl := sqlQueryDashboards
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if query.UseHistoryTable() && query.GetTrash {
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return nil, fmt.Errorf("trash not included in history table")
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}
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rawQuery, err := sqltemplate.Execute(tmpl, req)
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if err != nil {
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return nil, fmt.Errorf("execute template %q: %w", tmpl.Name(), err)
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}
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q := rawQuery
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// q = sqltemplate.RemoveEmptyLines(rawQuery)
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// fmt.Printf(">>%s [%+v]", q, req.GetArgs())
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rows, err := sql.DB.GetSqlxSession().Query(ctx, q, req.GetArgs()...)
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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 &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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var _ resource.ListIterator = (*rowsWrapper)(nil)
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type rowsWrapper struct {
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a *dashboardSqlAccess
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rows *sql.Rows
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canReadDashboard func(scopes ...string) bool
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// Current
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row *dashboardRow
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err error
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}
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func (a *dashboardSqlAccess) Namespaces(ctx context.Context) ([]string, error) {
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return nil, fmt.Errorf("not implemented")
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}
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func (r *rowsWrapper) Close() error {
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if r.rows == nil {
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return nil
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}
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return r.rows.Close()
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}
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func (r *rowsWrapper) Next() bool {
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if r.err != nil {
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return false
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}
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var err error
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// breaks after first readable value
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for r.rows.Next() {
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r.row, err = r.a.scanRow(r.rows)
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if err != nil {
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r.err = err
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return false
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}
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if r.row != nil {
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d := r.row
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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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// returns the first folder it can
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return true
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}
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}
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return false
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}
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// ContinueToken implements resource.ListIterator.
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func (r *rowsWrapper) ContinueToken() string {
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return r.row.token.String()
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}
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// Error implements resource.ListIterator.
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func (r *rowsWrapper) Error() error {
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return r.err
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}
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// Name implements resource.ListIterator.
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func (r *rowsWrapper) Name() string {
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return r.row.Dash.Name
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}
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// Namespace implements resource.ListIterator.
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func (r *rowsWrapper) Namespace() string {
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return r.row.Dash.Namespace
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}
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// ResourceVersion implements resource.ListIterator.
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func (r *rowsWrapper) ResourceVersion() int64 {
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return r.row.RV
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}
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// Value implements resource.ListIterator.
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func (r *rowsWrapper) Value() []byte {
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b, err := json.Marshal(r.row.Dash)
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r.err = err
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return b
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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 updatedBy sql.NullString
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var updatedByID sql.NullInt64
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var deleted sql.NullTime
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var created time.Time
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var createdBy sql.NullString
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var createdByID sql.NullInt64
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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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&deleted, &plugin_id,
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&origin_name, &origin_path, &origin_hash, &origin_ts,
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&created, &createdBy, &createdByID,
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&updated, &updatedBy, &updatedByID,
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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.RV = getResourceVersion(dashboard_id, version)
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dash.ResourceVersion = fmt.Sprintf("%d", row.RV)
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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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meta.SetCreatedBy(getUserID(createdBy, createdByID))
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meta.SetUpdatedBy(getUserID(updatedBy, updatedByID))
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if deleted.Valid {
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meta.SetDeletionTimestamp(ptr.To(metav1.NewTime(deleted.Time)))
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}
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if message.String != "" {
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meta.SetMessage(message.String)
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}
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if folder_uid.String != "" {
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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.String != "" {
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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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if len(data) > 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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}
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// add it so we can get it from the body later
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dash.Spec.Set("id", dashboard_id)
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}
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return row, err
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}
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func getUserID(v sql.NullString, id sql.NullInt64) string {
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if v.Valid && v.String != "" {
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return identity.NewTypedIDString(claims.TypeUser, v.String)
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}
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if id.Valid && id.Int64 == -1 {
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return identity.NewTypedIDString(claims.TypeProvisioning, "")
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}
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return ""
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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, 0)
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if err != nil {
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return nil, false, err
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}
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if a.softDelete {
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err = a.dashStore.SoftDeleteDashboard(ctx, orgId, uid)
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if err == nil && dash != nil {
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now := metav1.NewTime(time.Now())
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dash.DeletionTimestamp = &now
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return dash, true, err
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}
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return dash, 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, ok := claims.From(ctx)
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if !ok || user == nil {
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return nil, created, fmt.Errorf("no user found in context")
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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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var userID int64
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idClaims := user.GetIdentity()
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if claims.IsIdentityType(idClaims.IdentityType(), claims.TypeUser) {
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var err error
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userID, err = identity.UserIdentifier(idClaims.Subject())
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if err != nil {
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return nil, false, err
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}
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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: 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, 0)
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return dash, created, err
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}
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func (a *dashboardSqlAccess) GetLibraryPanels(ctx context.Context, query LibraryPanelQuery) (*dashboardsV0.LibraryPanelList, error) {
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limit := int(query.Limit)
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query.Limit += 1 // for continue
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if query.OrgID == 0 {
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return nil, fmt.Errorf("expected non zero orgID")
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}
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sql, err := a.sql(ctx)
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if err != nil {
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return nil, err
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}
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req := newLibraryQueryReq(sql, &query)
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rawQuery, err := sqltemplate.Execute(sqlQueryPanels, req)
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if err != nil {
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return nil, fmt.Errorf("execute template %q: %w", sqlQueryPanels.Name(), err)
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}
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q := rawQuery
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res := &dashboardsV0.LibraryPanelList{}
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rows, err := sql.DB.GetSqlxSession().Query(ctx, q, req.GetArgs()...)
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defer func() {
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if rows != nil {
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_ = rows.Close()
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}
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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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type panel struct {
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ID int64
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UID string
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FolderUID string
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Created time.Time
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CreatedBy string
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Updated time.Time
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UpdatedBy string
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Name string
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Type string
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Description string
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Model []byte
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}
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var lastID int64
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for rows.Next() {
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p := panel{}
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err = rows.Scan(&p.ID, &p.UID, &p.FolderUID,
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&p.Created, &p.CreatedBy,
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&p.Updated, &p.UpdatedBy,
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&p.Name, &p.Type, &p.Description, &p.Model,
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)
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if err != nil {
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return res, err
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}
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lastID = p.ID
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item := dashboardsV0.LibraryPanel{
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ObjectMeta: metav1.ObjectMeta{
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Name: p.UID,
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CreationTimestamp: metav1.NewTime(p.Created),
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ResourceVersion: strconv.FormatInt(p.Updated.UnixMilli(), 10),
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},
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Spec: dashboardsV0.LibraryPanelSpec{},
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}
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status := &dashboardsV0.LibraryPanelStatus{
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Missing: v0alpha1.Unstructured{},
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}
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err = json.Unmarshal(p.Model, &item.Spec)
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if err != nil {
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return nil, err
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}
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err = json.Unmarshal(p.Model, &status.Missing.Object)
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if err != nil {
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return nil, err
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}
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if item.Spec.Title != p.Name {
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status.Warnings = append(item.Status.Warnings, fmt.Sprintf("title mismatch (expected: %s)", p.Name))
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}
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if item.Spec.Description != p.Description {
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status.Warnings = append(item.Status.Warnings, fmt.Sprintf("description mismatch (expected: %s)", p.Description))
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}
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if item.Spec.Type != p.Type {
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status.Warnings = append(item.Status.Warnings, fmt.Sprintf("type mismatch (expected: %s)", p.Type))
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}
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item.Status = status
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// Remove the properties we are already showing
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for _, k := range []string{"type", "pluginVersion", "title", "description", "options", "fieldConfig", "datasource", "targets", "libraryPanel"} {
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delete(status.Missing.Object, k)
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}
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meta, err := utils.MetaAccessor(&item)
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if err != nil {
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return nil, err
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}
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meta.SetFolder(p.FolderUID)
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meta.SetCreatedBy(p.CreatedBy)
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meta.SetUpdatedBy(p.UpdatedBy)
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meta.SetUpdatedTimestamp(&p.Updated)
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meta.SetOriginInfo(&utils.ResourceOriginInfo{
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Name: "SQL",
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Path: strconv.FormatInt(p.ID, 10),
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})
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res.Items = append(res.Items, item)
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if len(res.Items) > limit {
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res.Continue = strconv.FormatInt(lastID, 10)
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break
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}
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}
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if query.UID == "" {
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rv, err := sql.GetResourceVersion(ctx, "library_element", "updated")
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if err == nil {
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res.ResourceVersion = strconv.FormatInt(rv, 10)
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}
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}
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return res, err
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}
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