mirror of
https://github.com/grafana/grafana.git
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6d750c000e
this should help Live to be enabled by default but still do not affect setups with lots of simultenious users. To properly handle many WS connections Grafana administrators should tune infrastructure a bit - for example increase a number of open files for a process. Will be in more details in documentation.
318 lines
9.1 KiB
Go
318 lines
9.1 KiB
Go
package api
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import (
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"errors"
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"strconv"
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"github.com/grafana/grafana/pkg/models"
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"github.com/grafana/grafana/pkg/components/simplejson"
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"github.com/grafana/grafana/pkg/util"
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"github.com/grafana/grafana/pkg/bus"
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"github.com/grafana/grafana/pkg/infra/log"
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"github.com/grafana/grafana/pkg/plugins"
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"github.com/grafana/grafana/pkg/setting"
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)
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func (hs *HTTPServer) getFSDataSources(c *models.ReqContext, enabledPlugins *plugins.EnabledPlugins) (map[string]interface{}, error) {
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orgDataSources := make([]*models.DataSource, 0)
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if c.OrgId != 0 {
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query := models.GetDataSourcesQuery{OrgId: c.OrgId, DataSourceLimit: hs.Cfg.DataSourceLimit}
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err := bus.Dispatch(&query)
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if err != nil {
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return nil, err
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}
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dsFilterQuery := models.DatasourcesPermissionFilterQuery{
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User: c.SignedInUser,
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Datasources: query.Result,
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}
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if err := bus.Dispatch(&dsFilterQuery); err != nil {
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if !errors.Is(err, bus.ErrHandlerNotFound) {
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return nil, err
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}
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orgDataSources = query.Result
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} else {
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orgDataSources = dsFilterQuery.Result
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}
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}
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dataSources := make(map[string]interface{})
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for _, ds := range orgDataSources {
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url := ds.Url
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if ds.Access == models.DS_ACCESS_PROXY {
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url = "/api/datasources/proxy/" + strconv.FormatInt(ds.Id, 10)
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}
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dsMap := map[string]interface{}{
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"id": ds.Id,
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"uid": ds.Uid,
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"type": ds.Type,
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"name": ds.Name,
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"url": url,
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"isDefault": ds.IsDefault,
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}
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meta, exists := enabledPlugins.DataSources[ds.Type]
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if !exists {
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log.Errorf(3, "Could not find plugin definition for data source: %v", ds.Type)
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continue
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}
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dsMap["meta"] = meta
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jsonData := ds.JsonData
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if jsonData == nil {
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jsonData = simplejson.New()
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}
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dsMap["jsonData"] = jsonData
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if ds.Access == models.DS_ACCESS_DIRECT {
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if ds.BasicAuth {
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dsMap["basicAuth"] = util.GetBasicAuthHeader(ds.BasicAuthUser, ds.DecryptedBasicAuthPassword())
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}
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if ds.WithCredentials {
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dsMap["withCredentials"] = ds.WithCredentials
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}
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if ds.Type == models.DS_INFLUXDB_08 {
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dsMap["username"] = ds.User
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dsMap["password"] = ds.DecryptedPassword()
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dsMap["url"] = url + "/db/" + ds.Database
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}
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if ds.Type == models.DS_INFLUXDB {
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dsMap["username"] = ds.User
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dsMap["password"] = ds.DecryptedPassword()
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dsMap["url"] = url
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}
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}
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if (ds.Type == models.DS_INFLUXDB) || (ds.Type == models.DS_ES) {
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dsMap["database"] = ds.Database
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}
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if ds.Type == models.DS_PROMETHEUS {
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// add unproxied server URL for link to Prometheus web UI
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jsonData.Set("directUrl", ds.Url)
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}
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dataSources[ds.Name] = dsMap
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}
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// add data sources that are built in (meaning they are not added via data sources page, nor have any entry in
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// the datasource table)
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for _, ds := range hs.PluginManager.DataSources() {
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if ds.BuiltIn {
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dataSources[ds.Name] = map[string]interface{}{
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"type": ds.Type,
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"name": ds.Name,
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"meta": hs.PluginManager.GetDataSource(ds.Id),
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}
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}
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}
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return dataSources, nil
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}
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// getFrontendSettingsMap returns a json object with all the settings needed for front end initialisation.
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func (hs *HTTPServer) getFrontendSettingsMap(c *models.ReqContext) (map[string]interface{}, error) {
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enabledPlugins, err := hs.PluginManager.GetEnabledPlugins(c.OrgId)
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if err != nil {
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return nil, err
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}
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hasPluginManagerApp := false
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pluginsToPreload := []string{}
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for _, app := range enabledPlugins.Apps {
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if app.Preload {
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pluginsToPreload = append(pluginsToPreload, app.Module)
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}
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if app.Id == "grafana-plugin-admin-app" {
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hasPluginManagerApp = true
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}
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}
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dataSources, err := hs.getFSDataSources(c, enabledPlugins)
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if err != nil {
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return nil, err
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}
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defaultDS := "-- Grafana --"
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for n, ds := range dataSources {
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dsM := ds.(map[string]interface{})
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if isDefault, _ := dsM["isDefault"].(bool); isDefault {
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defaultDS = n
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}
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meta := dsM["meta"].(*plugins.DataSourcePlugin)
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if meta.Preload {
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pluginsToPreload = append(pluginsToPreload, meta.Module)
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}
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}
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panels := map[string]interface{}{}
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for _, panel := range enabledPlugins.Panels {
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if panel.State == plugins.PluginStateAlpha && !hs.Cfg.PluginsEnableAlpha {
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continue
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}
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if panel.Preload {
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pluginsToPreload = append(pluginsToPreload, panel.Module)
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}
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panels[panel.Id] = map[string]interface{}{
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"module": panel.Module,
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"baseUrl": panel.BaseUrl,
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"name": panel.Name,
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"id": panel.Id,
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"info": panel.Info,
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"hideFromList": panel.HideFromList,
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"sort": getPanelSort(panel.Id),
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"skipDataQuery": panel.SkipDataQuery,
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"state": panel.State,
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"signature": panel.Signature,
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}
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}
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hideVersion := hs.Cfg.AnonymousHideVersion && !c.IsSignedIn
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version := setting.BuildVersion
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commit := setting.BuildCommit
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buildstamp := setting.BuildStamp
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if hideVersion {
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version = ""
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commit = ""
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buildstamp = 0
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}
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jsonObj := map[string]interface{}{
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"defaultDatasource": defaultDS,
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"datasources": dataSources,
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"minRefreshInterval": setting.MinRefreshInterval,
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"panels": panels,
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"appUrl": hs.Cfg.AppURL,
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"appSubUrl": hs.Cfg.AppSubURL,
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"allowOrgCreate": (setting.AllowUserOrgCreate && c.IsSignedIn) || c.IsGrafanaAdmin,
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"authProxyEnabled": setting.AuthProxyEnabled,
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"ldapEnabled": hs.Cfg.LDAPEnabled,
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"alertingEnabled": setting.AlertingEnabled,
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"alertingErrorOrTimeout": setting.AlertingErrorOrTimeout,
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"alertingNoDataOrNullValues": setting.AlertingNoDataOrNullValues,
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"alertingMinInterval": setting.AlertingMinInterval,
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"liveEnabled": hs.Cfg.LiveMaxConnections != 0,
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"autoAssignOrg": setting.AutoAssignOrg,
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"verifyEmailEnabled": setting.VerifyEmailEnabled,
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"sigV4AuthEnabled": setting.SigV4AuthEnabled,
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"exploreEnabled": setting.ExploreEnabled,
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"googleAnalyticsId": setting.GoogleAnalyticsId,
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"disableLoginForm": setting.DisableLoginForm,
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"disableUserSignUp": !setting.AllowUserSignUp,
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"loginHint": setting.LoginHint,
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"passwordHint": setting.PasswordHint,
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"externalUserMngInfo": setting.ExternalUserMngInfo,
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"externalUserMngLinkUrl": setting.ExternalUserMngLinkUrl,
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"externalUserMngLinkName": setting.ExternalUserMngLinkName,
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"viewersCanEdit": setting.ViewersCanEdit,
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"editorsCanAdmin": hs.Cfg.EditorsCanAdmin,
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"disableSanitizeHtml": hs.Cfg.DisableSanitizeHtml,
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"pluginsToPreload": pluginsToPreload,
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"buildInfo": map[string]interface{}{
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"hideVersion": hideVersion,
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"version": version,
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"commit": commit,
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"buildstamp": buildstamp,
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"edition": hs.License.Edition(),
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"latestVersion": hs.PluginManager.GrafanaLatestVersion(),
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"hasUpdate": hs.PluginManager.GrafanaHasUpdate(),
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"env": setting.Env,
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"isEnterprise": hs.License.HasValidLicense(),
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},
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"licenseInfo": map[string]interface{}{
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"hasLicense": hs.License.HasLicense(),
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"hasValidLicense": hs.License.HasValidLicense(),
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"expiry": hs.License.Expiry(),
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"stateInfo": hs.License.StateInfo(),
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"licenseUrl": hs.License.LicenseURL(c.SignedInUser),
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"edition": hs.License.Edition(),
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},
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"featureToggles": hs.Cfg.FeatureToggles,
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"rendererAvailable": hs.RenderService.IsAvailable(),
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"http2Enabled": hs.Cfg.Protocol == setting.HTTP2Scheme,
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"sentry": hs.Cfg.Sentry,
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"pluginCatalogURL": hs.Cfg.PluginCatalogURL,
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"pluginAdminEnabled": c.IsGrafanaAdmin && hs.Cfg.PluginAdminEnabled && hasPluginManagerApp,
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"pluginAdminExternalManageEnabled": hs.Cfg.PluginAdminExternalManageEnabled,
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"expressionsEnabled": hs.Cfg.ExpressionsEnabled,
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"awsAllowedAuthProviders": hs.Cfg.AWSAllowedAuthProviders,
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"awsAssumeRoleEnabled": hs.Cfg.AWSAssumeRoleEnabled,
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"azure": map[string]interface{}{
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"cloud": hs.Cfg.Azure.Cloud,
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"managedIdentityEnabled": hs.Cfg.Azure.ManagedIdentityEnabled,
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},
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"caching": map[string]bool{
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"enabled": hs.Cfg.SectionWithEnvOverrides("caching").Key("enabled").MustBool(true),
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},
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}
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return jsonObj, nil
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}
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func getPanelSort(id string) int {
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sort := 100
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switch id {
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case "timeseries":
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sort = 1
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case "barchart":
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sort = 2
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case "stat":
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sort = 3
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case "gauge":
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sort = 4
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case "bargauge":
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sort = 5
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case "table":
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sort = 6
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case "singlestat":
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sort = 7
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case "piechart":
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sort = 8
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case "state-timeline":
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sort = 9
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case "heatmap":
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sort = 10
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case "status-grid":
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sort = 11
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case "histogram":
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sort = 12
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case "graph":
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sort = 13
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case "text":
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sort = 14
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case "alertlist":
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sort = 15
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case "dashlist":
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sort = 16
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case "news":
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sort = 17
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}
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return sort
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}
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func (hs *HTTPServer) GetFrontendSettings(c *models.ReqContext) {
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settings, err := hs.getFrontendSettingsMap(c)
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if err != nil {
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c.JsonApiErr(400, "Failed to get frontend settings", err)
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return
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}
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c.JSON(200, settings)
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}
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