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switch graph to struct tag based env config

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This commit is contained in:
Willy Kloucek
2022-01-03 07:49:24 +01:00
parent 4067ae9493
commit 30656c5a32
8 changed files with 92 additions and 235 deletions
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graph/pkg/command/root.go
+24 -15
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@@ -4,9 +4,9 @@ import (
"context"
"os"
"github.com/owncloud/ocis/ocis-pkg/shared"
"github.com/imdario/mergo"
"github.com/thejerf/suture/v4"
"github.com/wkloucek/envdecode"
"github.com/owncloud/ocis/graph/pkg/config"
ociscfg "github.com/owncloud/ocis/ocis-pkg/config"
@@ -62,26 +62,35 @@ func NewLogger(cfg *config.Config) log.Logger {
// ParseConfig loads graph configuration from known paths.
func ParseConfig(c *cli.Context, cfg *config.Config) error {
conf, err := ociscfg.BindSourcesToStructs("graph", cfg)
_, err := ociscfg.BindSourcesToStructs(cfg.Service.Name, cfg)
if err != nil {
return err
}
// provide with defaults for shared logging, since we need a valid destination address for BindEnv.
if cfg.Log == nil && cfg.Commons != nil && cfg.Commons.Log != nil {
cfg.Log = &shared.Log{
Level: cfg.Commons.Log.Level,
Pretty: cfg.Commons.Log.Pretty,
Color: cfg.Commons.Log.Color,
File: cfg.Commons.Log.File,
}
} else if cfg.Log == nil && cfg.Commons == nil {
cfg.Log = &shared.Log{}
//if cfg.Log == nil && cfg.Commons != nil && cfg.Commons.Log != nil {
// cfg.Log = &shared.Log{
// Level: cfg.Commons.Log.Level,
// Pretty: cfg.Commons.Log.Pretty,
// Color: cfg.Commons.Log.Color,
// File: cfg.Commons.Log.File,
// }
//} else if cfg.Log == nil && cfg.Commons == nil {
// cfg.Log = &shared.Log{}
//}
// load all env variables relevant to the config in the current context.
envCfg := config.Config{}
if err := envdecode.Decode(&envCfg); err != nil && err.Error() != "none of the target fields were set from environment variables" {
return err
}
conf.LoadOSEnv(config.GetEnv(cfg), false)
bindings := config.StructMappings(cfg)
return ociscfg.BindEnv(conf, bindings)
// merge environment variable config on top of the current config
if err := mergo.Merge(cfg, envCfg, mergo.WithOverride); err != nil {
return err
}
return nil
}
// SutureService allows for the graph command to be embedded and supervised by a suture supervisor tree.