/
topic.go
73 lines (62 loc) · 2.49 KB
/
topic.go
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package config
import (
"bytes"
"text/template"
"time"
"github.com/uber/storagetapper/types"
)
type topicParams struct {
types.TableLoc
Timestamp time.Time
}
func getTopicName(template *template.Template, tp *topicParams) (string, error) {
buf := &bytes.Buffer{}
err := template.Execute(buf, tp)
if err != nil {
return "", err
}
return buf.String(), nil
}
// GetOutputTopicName returns output topic name
func (c *AppConfig) GetOutputTopicName(svc string, db string, tbl string, input string, output string, ver int, ts time.Time) (string, error) {
tmpl := c.OutputTopicNameTemplateDefaultParsed
inp := c.OutputTopicNameTemplateParsed[input]
if inp != nil {
out := inp[output]
if out != nil {
tmpl = out
}
}
return getTopicName(tmpl, &topicParams{types.TableLoc{Service: svc, Cluster: "", DB: db, Table: tbl, Input: input, Output: output, Version: ver}, ts})
}
// GetChangelogTopicName returns output topic name
func (c *AppConfig) GetChangelogTopicName(svc string, db string, tbl string, input string, output string, ver int, ts time.Time) (string, error) {
tmpl := c.ChangelogTopicNameTemplateDefaultParsed
inp := c.ChangelogTopicNameTemplateParsed[input]
if inp != nil {
out := inp[output]
if out != nil {
tmpl = out
}
}
return getTopicName(tmpl, &topicParams{types.TableLoc{Service: svc, Cluster: "", DB: db, Table: tbl, Input: input, Output: output, Version: ver}, ts})
}