TrueCloudLab/frostfs-node
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Feature/44 multiple configs #45

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KirillovDenis merged 5 commits from feature/44-multiple_configs into master 2023-02-21 07:00:29 +00:00
Conversation 0 Commits 5 Files changed 11 +22 -5
3 changed files with 22 additions and 5 deletions
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Showing only changes of commit e5c83b2805 - Show all commits

3
cmd/frostfs-adm/internal/commonflags/flags.go
View file

@ -5,6 +5,9 @@ const (
ConfigFlagShorthand = "c"
ConfigFlagUsage = "Config file"
ConfigDirFlag = "config-dir"
ConfigDirFlagUsage = "Config directory"
Verbose = "verbose"
VerboseShorthand = "v"
VerboseUsage = "Verbose output"

21
cmd/frostfs-adm/internal/modules/root.go
View file

@ -9,6 +9,7 @@ import (
"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/storagecfg"
"github.com/TrueCloudLab/frostfs-node/misc"
"github.com/TrueCloudLab/frostfs-node/pkg/util/autocomplete"
utilConfig "github.com/TrueCloudLab/frostfs-node/pkg/util/config"
"github.com/TrueCloudLab/frostfs-node/pkg/util/gendoc"
"github.com/spf13/cobra"
"github.com/spf13/viper"
@ -34,6 +35,7 @@ func init() {
rootCmd.SetOut(os.Stdout)
rootCmd.PersistentFlags().StringP(commonflags.ConfigFlag, commonflags.ConfigFlagShorthand, "", commonflags.ConfigFlagUsage)
rootCmd.PersistentFlags().String(commonflags.ConfigDirFlag, "", commonflags.ConfigDirFlagUsage)
rootCmd.PersistentFlags().BoolP(commonflags.Verbose, commonflags.VerboseShorthand, false, commonflags.VerboseUsage)
_ = viper.BindPFlag(commonflags.Verbose, rootCmd.PersistentFlags().Lookup(commonflags.Verbose))
rootCmd.Flags().Bool("version", false, "Application version")
@ -62,11 +64,22 @@ func entryPoint(cmd *cobra.Command, args []string) error {
func initConfig(cmd *cobra.Command) {
configFile, err := cmd.Flags().GetString(commonflags.ConfigFlag)
if err != nil || configFile == "" {
if err != nil {
return
}
viper.SetConfigType("yml")
viper.SetConfigFile(configFile)
_ = viper.ReadInConfig() // if config file is set but unavailable, ignore it
if configFile != "" {
viper.SetConfigType("yml")
viper.SetConfigFile(configFile)
_ = viper.ReadInConfig() // if config file is set but unavailable, ignore it
}
configDir, err := cmd.Flags().GetString(commonflags.ConfigDirFlag)
if err != nil {
return
}
if configDir != "" {
_ = utilConfig.ReadConfigDir(viper.GetViper(), configDir) // if config files cannot be read, ignore it
}
}

3
config/example/README.md
View file

@ -29,7 +29,8 @@ $ ./bin/frotsfs-node --config ./config/example/node.yaml --config-dir ./dir/with
When the `--config-dir` flag set, the application:
* reads all `*.y[a]ml` files from provided directory,
* use Viper's [MergeConfig](https://pkg.go.dev/github.com/spf13/viper#MergeConfig) functionality to produce the final configuration,
* files are being processing in alphanumerical order so that `01.yaml` may be extended with contents of `02.yaml`.
* files are being processing in alphanumerical order so that `01.yaml` may be extended with contents of `02.yaml`, so
if a field is specified in multiple files, the latest occurrence takes effect.
So if we have the following files:
```yaml