mirror of
https://github.com/yunionio/cloudpods.git
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98 lines
2.4 KiB
Go
98 lines
2.4 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 influxdb
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import (
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"time"
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api "yunion.io/x/onecloud/pkg/apis/monitor"
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"yunion.io/x/onecloud/pkg/monitor/tsdb"
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)
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type InfluxdbQueryParser struct{}
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func (qp *InfluxdbQueryParser) Parse(model *tsdb.Query, dsInfo *tsdb.DataSource) (*Query, error) {
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policy := "default"
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if model.Policy != "" {
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policy = model.Policy
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}
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alias := model.Alias
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tz := model.Tz
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measurement := model.Measurement
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resultFormat := model.ResultFormat
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tags := model.Tags
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groupBys, err := qp.parseGroupBy(model.GroupBy)
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if err != nil {
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return nil, err
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}
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selects, err := qp.parseSelects(model.Selects)
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if err != nil {
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return nil, err
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}
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parsedInterval, err := tsdb.GetIntervalFrom(dsInfo, model, time.Millisecond*1)
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if err != nil {
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return nil, err
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}
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return &Query{
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Measurement: measurement,
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Policy: policy,
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ResultFormat: resultFormat,
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GroupBy: groupBys,
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Tags: tags,
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Selects: selects,
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Interval: parsedInterval,
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Alias: alias,
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Tz: tz,
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}, nil
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}
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func (qp *InfluxdbQueryParser) parseSelects(selects []api.MetricQuerySelect) ([]*Select, error) {
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var result []*Select
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for _, selectObj := range selects {
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var parts Select
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for _, part := range selectObj {
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queryPart, err := qp.parseQueryPart(part)
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if err != nil {
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return nil, err
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}
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parts = append(parts, *queryPart)
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}
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result = append(result, &parts)
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}
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return result, nil
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}
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func (qp *InfluxdbQueryParser) parseGroupBy(groupBy []api.MetricQueryPart) ([]*QueryPart, error) {
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var result []*QueryPart
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for _, gb := range groupBy {
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queryPart, err := qp.parseQueryPart(gb)
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if err != nil {
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return nil, err
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}
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result = append(result, queryPart)
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}
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return result, nil
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}
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func (qp *InfluxdbQueryParser) parseQueryPart(part api.MetricQueryPart) (*QueryPart, error) {
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return NewQueryPart(part.Type, part.Params)
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}
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