d3c0980c84
* Add lint rules * Backend decoupling - Add standalone files - Add graphite query type - Add logger to Service - Create logger in the ProvideService method - Use a pointer for the HTTP client provider - Update logger usage everywhere - Update tracer type - Replace simplejson with json - Add dummy CallResource and CheckHealth methods - Update tests * Update ConfigEditor imports * Update types imports * Update datasource - Switch to using semver package - Update imports * Update store imports * Update helper imports and notification creation * Update context import * Update version numbers and logic * Copy array_move from core * Test updates * Add required files and update plugin.json * Update core references and packages * Remove commented code * Update wire * Lint * Fix import * Copy null type * More lint * Update snapshot * Add tests * Review * Fix packages
48 lines
1.6 KiB
Go
48 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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"github.com/grafana/grafana-plugin-sdk-go/backend/tracing"
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graphite "github.com/grafana/grafana/pkg/tsdb/graphite"
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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: graphite.ProvideService(httpclient.NewProvider(), tracing.DefaultTracer()),
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}, nil
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}
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type Datasource struct {
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Service *graphite.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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return httpclient.WithContextualMiddleware(ctx, httpclient.ResponseLimitMiddleware(cfg.ResponseLimit()))
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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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