github.com/kaydxh/golang@v0.0.131/pkg/mq/kafka/config.go (about)

     1  /*
     2   *Copyright (c) 2023, kaydxh
     3   *
     4   *Permission is hereby granted, free of charge, to any person obtaining a copy
     5   *of this software and associated documentation files (the "Software"), to deal
     6   *in the Software without restriction, including without limitation the rights
     7   *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     8   *copies of the Software, and to permit persons to whom the Software is
     9   *furnished to do so, subject to the following conditions:
    10   *
    11   *The above copyright notice and this permission notice shall be included in all
    12   *copies or substantial portions of the Software.
    13   *
    14   *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15   *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16   *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17   *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18   *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19   *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20   *SOFTWARE.
    21   */
    22  package kafka
    23  
    24  import (
    25  	"context"
    26  
    27  	viper_ "github.com/kaydxh/golang/pkg/viper"
    28  	"github.com/sirupsen/logrus"
    29  	"github.com/spf13/viper"
    30  )
    31  
    32  type Config struct {
    33  	Proto Kafka
    34  	opts  struct {
    35  		// If set, overrides params below
    36  		viper *viper.Viper
    37  	}
    38  }
    39  
    40  type completedConfig struct {
    41  	*Config
    42  	completeError error
    43  }
    44  
    45  type CompletedConfig struct {
    46  	// Embed a private pointer that cannot be instantiated outside of this package.
    47  	*completedConfig
    48  }
    49  
    50  func (c *completedConfig) New(ctx context.Context) (*MQ, error) {
    51  
    52  	logrus.Infof("Installing Kafka")
    53  
    54  	if c.completeError != nil {
    55  		return nil, c.completeError
    56  	}
    57  
    58  	if !c.Proto.GetEnabled() {
    59  		logrus.Warnf("Kafka disenabled")
    60  		return nil, nil
    61  	}
    62  
    63  	mq, err := c.install(ctx)
    64  	if err != nil {
    65  		return nil, err
    66  	}
    67  	logrus.Infof("Installed Kafka")
    68  
    69  	return mq, nil
    70  }
    71  
    72  func (c *completedConfig) install(ctx context.Context) (*MQ, error) {
    73  	mq := NewMQ(
    74  		MQConfig{
    75  			Brokers: c.Proto.GetBrokers(),
    76  		},
    77  	)
    78  
    79  	return mq.InstallMQ(
    80  		ctx,
    81  		c.Proto.GetMaxWaitDuration().AsDuration(),
    82  		c.Proto.GetFailAfterDuration().AsDuration(),
    83  	)
    84  }
    85  
    86  // Complete set default ServerRunOptions.
    87  func (c *Config) Complete() CompletedConfig {
    88  	err := c.loadViper()
    89  	if err != nil {
    90  		return CompletedConfig{&completedConfig{
    91  			Config:        c,
    92  			completeError: err,
    93  		}}
    94  	}
    95  
    96  	return CompletedConfig{&completedConfig{Config: c}}
    97  }
    98  
    99  func (c *Config) loadViper() error {
   100  	if c.opts.viper != nil {
   101  		return viper_.UnmarshalProtoMessageWithJsonPb(c.opts.viper, &c.Proto)
   102  	}
   103  
   104  	return nil
   105  }
   106  
   107  func NewConfig(options ...ConfigOption) *Config {
   108  	c := &Config{}
   109  	c.ApplyOptions(options...)
   110  
   111  	return c
   112  }