unistack-org/micro-config-file
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allow to change save/load/watch path

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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2021-11-18 16:12:12 +03:00
parent 12720131b2
commit a70ada6de8
4 changed files with 48 additions and 12 deletions
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42
file.go
View File

@ -51,9 +51,17 @@ func (c *fileConfig) Load(ctx context.Context, opts ...config.LoadOption) error
return err
}
fp, err := os.OpenFile(c.path, os.O_RDONLY, os.FileMode(0400))
path := c.path
options := config.NewLoadOptions(opts...)
if options.Context != nil {
if v, ok := options.Context.Value(pathKey{}).(string); ok && v != "" {
path = v
}
}
fp, err := os.OpenFile(path, os.O_RDONLY, os.FileMode(0400))
if err != nil {
c.opts.Logger.Errorf(c.opts.Context, "file load path %s error: %v", c.path, err)
c.opts.Logger.Errorf(c.opts.Context, "file load path %s error: %v", path, err)
if !c.opts.AllowFail {
return err
}
@ -64,7 +72,7 @@ func (c *fileConfig) Load(ctx context.Context, opts ...config.LoadOption) error
buf, err := ioutil.ReadAll(io.LimitReader(fp, int64(codec.DefaultMaxMsgSize)))
if err != nil {
c.opts.Logger.Errorf(c.opts.Context, "file load path %s error: %v", c.path, err)
c.opts.Logger.Errorf(c.opts.Context, "file load path %s error: %v", path, err)
if !c.opts.AllowFail {
return err
}
@ -88,7 +96,7 @@ func (c *fileConfig) Load(ctx context.Context, opts ...config.LoadOption) error
}
if err != nil {
c.opts.Logger.Errorf(c.opts.Context, "file load path %s error: %v", c.path, err)
c.opts.Logger.Errorf(c.opts.Context, "file load path %s error: %v", path, err)
if !c.opts.AllowFail {
return err
}
@ -106,18 +114,26 @@ func (c *fileConfig) Save(ctx context.Context, opts ...config.SaveOption) error
return err
}
path := c.path
options := config.NewSaveOptions(opts...)
if options.Context != nil {
if v, ok := options.Context.Value(pathKey{}).(string); ok && v != "" {
path = v
}
}
buf, err := c.opts.Codec.Marshal(c.opts.Struct)
if err != nil {
c.opts.Logger.Errorf(c.opts.Context, "file save path %s error: %v", c.path, err)
c.opts.Logger.Errorf(c.opts.Context, "file save path %s error: %v", path, err)
if !c.opts.AllowFail {
return err
}
return config.DefaultAfterSave(ctx, c)
}
fp, err := os.OpenFile(c.path, os.O_WRONLY|os.O_CREATE, os.FileMode(0600))
fp, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE, os.FileMode(0600))
if err != nil {
c.opts.Logger.Errorf(c.opts.Context, "file save path %s error: %v", c.path, err)
c.opts.Logger.Errorf(c.opts.Context, "file save path %s error: %v", path, err)
if !c.opts.AllowFail {
return err
}
@ -130,7 +146,7 @@ func (c *fileConfig) Save(ctx context.Context, opts ...config.SaveOption) error
}
if err != nil {
c.opts.Logger.Errorf(c.opts.Context, "file save path %s error: %v", c.path, err)
c.opts.Logger.Errorf(c.opts.Context, "file save path %s error: %v", path, err)
if !c.opts.AllowFail {
return err
}
@ -152,8 +168,16 @@ func (c *fileConfig) Name() string {
}
func (c *fileConfig) Watch(ctx context.Context, opts ...config.WatchOption) (config.Watcher, error) {
path := c.path
options := config.NewWatchOptions(opts...)
if options.Context != nil {
if v, ok := options.Context.Value(pathKey{}).(string); ok && v != "" {
path = v
}
}
w := &fileWatcher{
path: c.path,
path: path,
opts: c.opts,
wopts: config.NewWatchOptions(opts...),
done: make(chan struct{}),

2
go.mod
View File

@ -4,5 +4,5 @@ go 1.16
require (
github.com/imdario/mergo v0.3.12
go.unistack.org/micro/v3 v3.8.7
go.unistack.org/micro/v3 v3.8.9
)

4
go.sum
View File

@ -9,8 +9,8 @@ github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTK
github.com/silas/dag v0.0.0-20210626123444-3804bac2d6d4/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
go.unistack.org/micro-proto/v3 v3.1.0 h1:q39FwjFiRZn+Ux/tt+d3bJTmDtsQQWa+3SLYVo1vLfA=
go.unistack.org/micro-proto/v3 v3.1.0/go.mod h1:DpRhYCBXlmSJ/AAXTmntvlh7kQkYU6eFvlmYAx4BQS8=
go.unistack.org/micro/v3 v3.8.7 h1:k1zOpJ3uS8MxdhK8annRsa5J/LW7MpqPjwYuekW61wE=
go.unistack.org/micro/v3 v3.8.7/go.mod h1:KMMmOmbgo/D52/rCAbqeKbBsgEEbSKM69he54J3ZIuA=
go.unistack.org/micro/v3 v3.8.9 h1:F+HAQSHI86F8Xx5D6XKvvuN0TtOuVvJM+OBV8aYTg0Y=
go.unistack.org/micro/v3 v3.8.9/go.mod h1:KMMmOmbgo/D52/rCAbqeKbBsgEEbSKM69he54J3ZIuA=
golang.org/x/net v0.0.0-20210928044308-7d9f5e0b762b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

12
options.go
View File

@ -9,3 +9,15 @@ type pathKey struct{}
func Path(path string) config.Option {
return config.SetOption(pathKey{}, path)
}
func LoadPath(path string) config.LoadOption {
return config.SetLoadOption(pathKey{}, path)
}
func SavePath(path string) config.SaveOption {
return config.SetSaveOption(pathKey{}, path)
}
func WatchPath(path string) config.WatchOption {
return config.SetWatchOption(pathKey{}, path)
}