mirror of
https://github.com/grafana/grafana.git
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c1a46fdcb5
* Complete decoupling of backend - Replace usage of featuremgmt - Copy simplejson - Add standalone logic * Complete frontend decoupling - Fix imports - Copy store and reducer logic * Add required files for full decoupling * Regen cue * Prettier * Remove unneeded script * Jest fix * Add jest config * Lint * Lit * Prune suppresions
49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
package main
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import (
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"context"
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"github.com/grafana/grafana-plugin-sdk-go/backend"
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"github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
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"github.com/grafana/grafana-plugin-sdk-go/backend/instancemgmt"
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elasticsearch "github.com/grafana/grafana/pkg/tsdb/elasticsearch"
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)
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var (
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_ backend.QueryDataHandler = (*Datasource)(nil)
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_ backend.CheckHealthHandler = (*Datasource)(nil)
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_ backend.CallResourceHandler = (*Datasource)(nil)
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)
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func NewDatasource(context.Context, backend.DataSourceInstanceSettings) (instancemgmt.Instance, error) {
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return &Datasource{
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Service: elasticsearch.ProvideService(httpclient.NewProvider()),
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}, nil
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}
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type Datasource struct {
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Service *elasticsearch.Service
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}
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func contextualMiddlewares(ctx context.Context) context.Context {
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cfg := backend.GrafanaConfigFromContext(ctx)
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responseLimitMiddleware := httpclient.ResponseLimitMiddleware(cfg.ResponseLimit())
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ctx = httpclient.WithContextualMiddleware(ctx, responseLimitMiddleware)
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return ctx
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}
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func (d *Datasource) QueryData(ctx context.Context, req *backend.QueryDataRequest) (*backend.QueryDataResponse, error) {
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ctx = contextualMiddlewares(ctx)
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return d.Service.QueryData(ctx, req)
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}
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func (d *Datasource) CallResource(ctx context.Context, req *backend.CallResourceRequest, sender backend.CallResourceResponseSender) error {
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ctx = contextualMiddlewares(ctx)
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return d.Service.CallResource(ctx, req, sender)
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}
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func (d *Datasource) CheckHealth(ctx context.Context, req *backend.CheckHealthRequest) (*backend.CheckHealthResult, error) {
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ctx = contextualMiddlewares(ctx)
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return d.Service.CheckHealth(ctx, req)
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}
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