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Introduce TSDB service (#31520)

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* Introduce TSDB service

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Erik Sundell <erik.sundell87@gmail.com>
Co-authored-by: Will Browne <will.browne@grafana.com>
Co-authored-by: Torkel Ödegaard <torkel@grafana.org>
Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>
Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>
This commit is contained in:
Arve Knudsen
2021-03-08 07:02:49 +01:00
committed by GitHub
co-authored by Erik Sundell Will Browne Torkel Ödegaard Will Browne Zoltán Bedi
parent c899bf3592
commit b79e61656a
203 changed files with 5269 additions and 4776 deletions
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pkg/plugins/dashboards.go
-103
View File
@@ -1,14 +1,5 @@
package plugins
import (
"os"
"path/filepath"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/models"
)
type PluginDashboardInfoDTO struct {
PluginId string `json:"pluginId"`
Title string `json:"title"`
@@ -24,97 +15,3 @@ type PluginDashboardInfoDTO struct {
Path string `json:"path"`
Removed bool `json:"removed"`
}
func GetPluginDashboards(orgId int64, pluginId string) ([]*PluginDashboardInfoDTO, error) {
plugin, exists := Plugins[pluginId]
if !exists {
return nil, PluginNotFoundError{pluginId}
}
result := make([]*PluginDashboardInfoDTO, 0)
// load current dashboards
query := models.GetDashboardsByPluginIdQuery{OrgId: orgId, PluginId: pluginId}
if err := bus.Dispatch(&query); err != nil {
return nil, err
}
existingMatches := make(map[int64]bool)
for _, include := range plugin.Includes {
if include.Type != PluginTypeDashboard {
continue
}
res := &PluginDashboardInfoDTO{}
var dashboard *models.Dashboard
var err error
if dashboard, err = loadPluginDashboard(plugin.Id, include.Path); err != nil {
return nil, err
}
res.Path = include.Path
res.PluginId = plugin.Id
res.Title = dashboard.Title
res.Revision = dashboard.Data.Get("revision").MustInt64(1)
// find existing dashboard
for _, existingDash := range query.Result {
if existingDash.Slug == dashboard.Slug {
res.DashboardId = existingDash.Id
res.Imported = true
res.ImportedUri = "db/" + existingDash.Slug
res.ImportedUrl = existingDash.GetUrl()
res.ImportedRevision = existingDash.Data.Get("revision").MustInt64(1)
existingMatches[existingDash.Id] = true
}
}
result = append(result, res)
}
// find deleted dashboards
for _, dash := range query.Result {
if _, exists := existingMatches[dash.Id]; !exists {
result = append(result, &PluginDashboardInfoDTO{
Slug: dash.Slug,
DashboardId: dash.Id,
Removed: true,
})
}
}
return result, nil
}
func loadPluginDashboard(pluginId, path string) (*models.Dashboard, error) {
plugin, exists := Plugins[pluginId]
if !exists {
return nil, PluginNotFoundError{pluginId}
}
dashboardFilePath := filepath.Join(plugin.PluginDir, path)
// nolint:gosec
// We can ignore the gosec G304 warning on this one because `plugin.PluginDir` is based
// on plugin folder structure on disk and not user input. `path` comes from the
// `plugin.json` configuration file for the loaded plugin
reader, err := os.Open(dashboardFilePath)
if err != nil {
return nil, err
}
defer func() {
if err := reader.Close(); err != nil {
plog.Warn("Failed to close file", "path", dashboardFilePath, "err", err)
}
}()
data, err := simplejson.NewFromReader(reader)
if err != nil {
return nil, err
}
return models.NewDashboardFromJson(data), nil
}