forked from cerc-io/ipld-eth-server
59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package config
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import (
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"log"
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"os"
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"fmt"
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"path/filepath"
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"path"
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"runtime"
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"errors"
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"github.com/BurntSushi/toml"
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)
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type Config struct {
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Database Database
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Client Client
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}
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var NewErrConfigFileNotFound = func(environment string) error {
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return errors.New(fmt.Sprintf("No configuration found for environment: %v", environment))
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}
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func NewConfig(environment string) (*Config, error) {
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filenameWithExtension := fmt.Sprintf("%s.toml", environment)
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absolutePath := filepath.Join(ProjectRoot(), "pkg", "config", "environments", filenameWithExtension)
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config, err := parseConfigFile(absolutePath)
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if err != nil {
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return nil, NewErrConfigFileNotFound(environment)
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} else {
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if !filepath.IsAbs(config.Client.IPCPath) {
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config.Client.IPCPath = filepath.Join(ProjectRoot(), config.Client.IPCPath)
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}
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return config, nil
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}
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}
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func ProjectRoot() string {
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var _, filename, _, _ = runtime.Caller(0)
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return path.Join(path.Dir(filename), "..", "..")
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}
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func parseConfigFile(filePath string) (*Config, error) {
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var cfg Config
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_, err := os.Stat(filePath)
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if err != nil {
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return nil, err
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} else {
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if _, err := toml.DecodeFile(filePath, &cfg); err != nil {
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log.Fatal(err)
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}
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return &cfg, err
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}
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}
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