Files
go-migrate/scripts/config-parser/main.go

78 lines
1.8 KiB
Go

package main
import (
"gopkg.in/yaml.v3"
)
type RetryConfig struct {
Attempts int `yaml:"attempts"`
}
type JobConfig struct {
MaxExtractors int `yaml:"max_extractors"`
MaxLoaders int `yaml:"max_loaders"`
QueueSize int `yaml:"queue_size"`
ChunkSize int `yaml:"chunk_size"`
ChunksPerBatch int `yaml:"chunks_per_batch"`
TruncateTarget bool `yaml:"truncate_target"`
TruncateMethod string `yaml:"truncate_method"`
Retry RetryConfig `yaml:"retry"`
}
type SourceDbInfo struct {
Schema string `yaml:"schema"`
Table string `yaml:"table"`
PrimaryKey string `yaml:"primary_key"`
}
type TargetDbInfo struct {
Schema string `yaml:"schema"`
Table string `yaml:"table"`
}
type Job struct {
Name string `yaml:"name"`
Enabled bool `yaml:"enabled"`
Source SourceDbInfo `yaml:"source"`
Target TargetDbInfo `yaml:"target"`
PreSQL []string `yaml:"pre_sql"`
PostSQL []string `yaml:"post_sql"`
JobConfig `yaml:",inline"`
}
type MigrationConfig struct {
MaxParallelWorkers int `yaml:"max_parallel_workers"`
Defaults JobConfig `yaml:"defaults"`
Jobs []Job `yaml:"jobs"`
}
type rawConfig struct {
maxParallelWorkers int `yaml:"max_parallel_workers"`
defaults JobConfig `yaml:"defaults"`
jobs []yaml.Node `yaml:"jobs"`
}
func (c *MigrationConfig) UnmarshalYAML(value *yaml.Node) error {
var raw rawConfig
if err := value.Decode(&raw); err != nil {
return err
}
c.MaxParallelWorkers = raw.maxParallelWorkers
c.Defaults = raw.defaults
for _, node := range raw.jobs {
job := Job{
JobConfig: raw.defaults,
}
if err := node.Decode(&job); err != nil {
return err
}
c.Jobs = append(c.Jobs, job)
}
return nil
}