mirror of
https://github.com/yunionio/cloudpods.git
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53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tsdb
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import (
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"context"
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"yunion.io/x/pkg/errors"
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)
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type TsdbQueryEndpoint interface {
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Query(ctx context.Context, ds *DataSource, query *TsdbQuery) (*Response, error)
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}
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var registry map[string]GetTsdbQueryEndpointFn
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type GetTsdbQueryEndpointFn func(dsInfo *DataSource) (TsdbQueryEndpoint, error)
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func init() {
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registry = make(map[string]GetTsdbQueryEndpointFn)
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}
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const (
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ErrorNotFoundExecutorDataSource = errors.Error("Not find executor for data source")
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)
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func getTsdbQueryEndpointFor(dsInfo *DataSource) (TsdbQueryEndpoint, error) {
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if fn, exists := registry[dsInfo.Type]; exists {
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executor, err := fn(dsInfo)
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if err != nil {
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return nil, err
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}
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return executor, nil
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}
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return nil, errors.Wrapf(ErrorNotFoundExecutorDataSource, "type: %s", dsInfo.Type)
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}
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func RegisterTsdbQueryEndpoint(dataSourceType string, fn GetTsdbQueryEndpointFn) {
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registry[dataSourceType] = fn
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}
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