/
config.go
94 lines (85 loc) · 2.35 KB
/
config.go
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// Copyright 2022 huija
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package mongodb
import (
"context"
"github.com/taouniverse/tao"
"go.mongodb.org/mongo-driver/mongo/readpref"
"time"
)
// ConfigKey for this repo
const ConfigKey = "mongodb"
// Config implements tao.Config
// declare the configuration you want & define some default values
type Config struct {
Host string `json:"host"`
Port int `json:"port"`
User string `json:"user"`
Password string `json:"password"`
RunAfters []string `json:"run_after,omitempty"`
}
var defaultMongodb = &Config{
Host: "localhost",
Port: 27017,
User: "tao",
Password: "123456qwe",
RunAfters: []string{},
}
// Name of Config
func (m *Config) Name() string {
return ConfigKey
}
// ValidSelf with some default values
func (m *Config) ValidSelf() {
if m.Host == "" {
m.Host = defaultMongodb.Host
}
if m.Port == 0 {
m.Port = defaultMongodb.Port
}
if m.User == "" {
m.User = defaultMongodb.User
}
if m.Password == "" {
m.Password = defaultMongodb.Password
}
if m.RunAfters == nil {
m.RunAfters = defaultMongodb.RunAfters
}
}
// ToTask transform itself to Task
func (m *Config) ToTask() tao.Task {
return tao.NewTask(
ConfigKey,
func(ctx context.Context, param tao.Parameter) (tao.Parameter, error) {
// non-block check
select {
case <-ctx.Done():
return param, tao.NewError(tao.ContextCanceled, "%s: context has been canceled", ConfigKey)
default:
}
// JOB code run after RunAfters, you can just do nothing here
err := Client.Ping(ctx, readpref.Primary())
return param, err
},
tao.SetClose(func() error {
ctx, cancelFunc := context.WithTimeout(context.Background(), 5*time.Second)
defer cancelFunc()
return Client.Disconnect(ctx)
}))
}
// RunAfter defines pre task names
func (m *Config) RunAfter() []string {
return m.RunAfters
}