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https://github.com/grafana/grafana.git
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b4fad40c5a
* grafana/master: (127 commits) alerting: move all notification conditions to defaultShouldNotify filter NULL values for column value suggestions imguploader: Add support for ECS credential provider for S3 Remove .dropdown-menu-open on body click fixes #13409 Remove option r from ln command since its not working everywhere fix: updated tests Fix spelling of your and you're Changed setting to be an alerting setting Remove non-existing css prop fix: Legend to the right, as table, should follow the width prop. Removing css conflicting with baron's width calculation. #13312 rendering: Added concurrent rendering limits devenv: fix uid for bulk alert dashboards Explore: moved code to app/features/explore target gfdev-prometheus datasource devenv: adds script for creating many dashboards with alerts Fix goconst issues When stacking graphs, always include the y-offset so that tooltips can render proper values for individual points provisioning: changed provisioning default update interval from 3 to 10 seconds Fix https://github.com/grafana/grafana/issues/13387 metric segment options displays after blur docs: improve oauth generic azure ad instructions ...
68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package api
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import (
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"fmt"
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"time"
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"github.com/grafana/grafana/pkg/api/pluginproxy"
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"github.com/grafana/grafana/pkg/bus"
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"github.com/grafana/grafana/pkg/metrics"
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m "github.com/grafana/grafana/pkg/models"
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"github.com/grafana/grafana/pkg/plugins"
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)
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const HeaderNameNoBackendCache = "X-Grafana-NoCache"
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func (hs *HTTPServer) getDatasourceFromCache(id int64, c *m.ReqContext) (*m.DataSource, error) {
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nocache := c.Req.Header.Get(HeaderNameNoBackendCache) == "true"
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cacheKey := fmt.Sprintf("ds-%d", id)
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if !nocache {
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if cached, found := hs.cache.Get(cacheKey); found {
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ds := cached.(*m.DataSource)
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if ds.OrgId == c.OrgId {
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return ds, nil
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}
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}
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}
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query := m.GetDataSourceByIdQuery{Id: id, OrgId: c.OrgId}
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if err := bus.Dispatch(&query); err != nil {
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return nil, err
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}
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hs.cache.Set(cacheKey, query.Result, time.Second*5)
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return query.Result, nil
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}
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func (hs *HTTPServer) ProxyDataSourceRequest(c *m.ReqContext) {
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c.TimeRequest(metrics.M_DataSource_ProxyReq_Timer)
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ds, err := hs.getDatasourceFromCache(c.ParamsInt64(":id"), c)
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if err != nil {
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c.JsonApiErr(500, "Unable to load datasource meta data", err)
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return
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}
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// find plugin
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plugin, ok := plugins.DataSources[ds.Type]
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if !ok {
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c.JsonApiErr(500, "Unable to find datasource plugin", err)
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return
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}
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proxyPath := c.Params("*")
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// Check for a trailing slash, and pass it to the proxy
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// macaron does not include trailing slashes when resolving a wildcard path
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if len(proxyPath) > 1 {
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path := c.Req.URL.Path
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if path[len(path)-1] == '/' && proxyPath[len(proxyPath)-1] != '/' {
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proxyPath += "/"
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}
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}
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proxy := pluginproxy.NewDataSourceProxy(ds, plugin, c, proxyPath)
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proxy.HandleRequest()
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}
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