config: minor changes to split config and watcher files
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
parent
72bd311686
commit
d38d96b268
34
env.go
34
env.go
@ -50,7 +50,7 @@ func (c *envConfig) Load(ctx context.Context, opts ...config.LoadOption) error {
|
||||
|
||||
src, err := rutil.Zero(c.opts.Struct)
|
||||
if err == nil {
|
||||
err = c.fillValues(ctx, reflect.ValueOf(src))
|
||||
err = fillValues(ctx, reflect.ValueOf(src), c.opts.StructTag)
|
||||
}
|
||||
if err != nil && !c.opts.AllowFail {
|
||||
return err
|
||||
@ -70,7 +70,7 @@ func (c *envConfig) Load(ctx context.Context, opts ...config.LoadOption) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *envConfig) fillValue(ctx context.Context, value reflect.Value, val string) error {
|
||||
func fillValue(ctx context.Context, value reflect.Value, val string) error {
|
||||
switch value.Kind() {
|
||||
case reflect.Map:
|
||||
t := value.Type()
|
||||
@ -84,10 +84,10 @@ func (c *envConfig) fillValue(ctx context.Context, value reflect.Value, val stri
|
||||
kv := strings.FieldsFunc(nval, func(c rune) bool { return c == '=' })
|
||||
mkey := reflect.Indirect(reflect.New(kt))
|
||||
mval := reflect.Indirect(reflect.New(et))
|
||||
if err := c.fillValue(ctx, mkey, kv[0]); err != nil {
|
||||
if err := fillValue(ctx, mkey, kv[0]); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := c.fillValue(ctx, mval, kv[1]); err != nil {
|
||||
if err := fillValue(ctx, mval, kv[1]); err != nil {
|
||||
return err
|
||||
}
|
||||
value.SetMapIndex(mkey, mval)
|
||||
@ -97,7 +97,7 @@ func (c *envConfig) fillValue(ctx context.Context, value reflect.Value, val stri
|
||||
value.Set(reflect.MakeSlice(reflect.SliceOf(value.Type().Elem()), len(nvals), len(nvals)))
|
||||
for idx, nval := range nvals {
|
||||
nvalue := reflect.Indirect(reflect.New(value.Type().Elem()))
|
||||
if err := c.fillValue(ctx, nvalue, nval); err != nil {
|
||||
if err := fillValue(ctx, nvalue, nval); err != nil {
|
||||
return err
|
||||
}
|
||||
value.Index(idx).Set(nvalue)
|
||||
@ -237,7 +237,7 @@ func (c *envConfig) setValues(ctx context.Context, valueOf reflect.Value) error
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *envConfig) fillValues(ctx context.Context, valueOf reflect.Value) error {
|
||||
func fillValues(ctx context.Context, valueOf reflect.Value, structTag string) error {
|
||||
var values reflect.Value
|
||||
|
||||
if valueOf.Kind() == reflect.Ptr {
|
||||
@ -264,7 +264,7 @@ func (c *envConfig) fillValues(ctx context.Context, valueOf reflect.Value) error
|
||||
switch value.Kind() {
|
||||
case reflect.Struct:
|
||||
value.Set(reflect.Indirect(reflect.New(value.Type())))
|
||||
if err := c.fillValues(ctx, value); err != nil {
|
||||
if err := fillValues(ctx, value, structTag); err != nil {
|
||||
return err
|
||||
}
|
||||
continue
|
||||
@ -278,12 +278,12 @@ func (c *envConfig) fillValues(ctx context.Context, valueOf reflect.Value) error
|
||||
value.Set(reflect.New(value.Type().Elem()))
|
||||
}
|
||||
value = value.Elem()
|
||||
if err := c.fillValues(ctx, value); err != nil {
|
||||
if err := fillValues(ctx, value, structTag); err != nil {
|
||||
return err
|
||||
}
|
||||
continue
|
||||
}
|
||||
tag, ok := field.Tag.Lookup(c.opts.StructTag)
|
||||
tag, ok := field.Tag.Lookup(structTag)
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
@ -292,7 +292,7 @@ func (c *envConfig) fillValues(ctx context.Context, valueOf reflect.Value) error
|
||||
continue
|
||||
}
|
||||
|
||||
if err := c.fillValue(ctx, value, val); err != nil {
|
||||
if err := fillValue(ctx, value, val); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
@ -328,6 +328,20 @@ func (c *envConfig) Name() string {
|
||||
return c.opts.Name
|
||||
}
|
||||
|
||||
func (c *envConfig) Watch(ctx context.Context, opts ...config.WatchOption) (config.Watcher, error) {
|
||||
w := &envWatcher{
|
||||
opts: c.opts,
|
||||
wopts: config.NewWatchOptions(opts...),
|
||||
done: make(chan struct{}),
|
||||
vchan: make(chan map[string]interface{}),
|
||||
echan: make(chan error),
|
||||
}
|
||||
|
||||
go w.run()
|
||||
|
||||
return w, nil
|
||||
}
|
||||
|
||||
func NewConfig(opts ...config.Option) config.Config {
|
||||
options := config.NewOptions(opts...)
|
||||
if len(options.StructTag) == 0 {
|
||||
|
||||
2
go.mod
2
go.mod
@ -4,5 +4,5 @@ go 1.16
|
||||
|
||||
require (
|
||||
github.com/imdario/mergo v0.3.12
|
||||
github.com/unistack-org/micro/v3 v3.4.0
|
||||
github.com/unistack-org/micro/v3 v3.5.9
|
||||
)
|
||||
|
||||
8
go.sum
8
go.sum
@ -1,12 +1,12 @@
|
||||
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
|
||||
github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
|
||||
github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
|
||||
github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
|
||||
github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
|
||||
github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
|
||||
github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
|
||||
github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
|
||||
github.com/silas/dag v0.0.0-20210121180416-41cf55125c34/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
|
||||
github.com/unistack-org/micro/v3 v3.4.0 h1:z9F3lgAb2j4cZ1ib5qBj66JPYUAzR4sNIJqUDjVwyVQ=
|
||||
github.com/unistack-org/micro/v3 v3.4.0/go.mod h1:LXmPfbJnJNvL0kQs8HfnkV3Wya2Wb+C7keVq++RCZnk=
|
||||
github.com/unistack-org/micro/v3 v3.5.9 h1:9iIxGZ56bVME7E9hqKIHeSHXkn69M9KFyJfaUzi7B9k=
|
||||
github.com/unistack-org/micro/v3 v3.5.9/go.mod h1:zQnZPEy842kQNcyjmVys6tdMjty4PHdyUUKYm1wrg1s=
|
||||
golang.org/x/net v0.0.0-20210510120150-4163338589ed/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=
|
||||
|
||||
82
watcher.go
Normal file
82
watcher.go
Normal file
@ -0,0 +1,82 @@
|
||||
package env
|
||||
|
||||
import (
|
||||
"reflect"
|
||||
|
||||
"github.com/unistack-org/micro/v3/config"
|
||||
"github.com/unistack-org/micro/v3/util/jitter"
|
||||
rutil "github.com/unistack-org/micro/v3/util/reflect"
|
||||
)
|
||||
|
||||
type envWatcher struct {
|
||||
opts config.Options
|
||||
wopts config.WatchOptions
|
||||
done chan struct{}
|
||||
vchan chan map[string]interface{}
|
||||
echan chan error
|
||||
}
|
||||
|
||||
func (w *envWatcher) run() {
|
||||
ticker := jitter.NewTicker(w.wopts.MinInterval, w.wopts.MaxInterval)
|
||||
defer ticker.Stop()
|
||||
|
||||
src := w.opts.Struct
|
||||
if w.wopts.Struct != nil {
|
||||
src = w.wopts.Struct
|
||||
}
|
||||
|
||||
for {
|
||||
select {
|
||||
case <-w.done:
|
||||
return
|
||||
case <-ticker.C:
|
||||
dst, err := rutil.Zero(src)
|
||||
if err == nil {
|
||||
err = fillValues(w.opts.Context, reflect.ValueOf(dst), w.opts.StructTag)
|
||||
}
|
||||
if err != nil {
|
||||
w.echan <- err
|
||||
return
|
||||
}
|
||||
srcmp, err := rutil.StructFieldsMap(src)
|
||||
if err != nil {
|
||||
w.echan <- err
|
||||
return
|
||||
}
|
||||
dstmp, err := rutil.StructFieldsMap(dst)
|
||||
if err != nil {
|
||||
w.echan <- err
|
||||
return
|
||||
}
|
||||
for sk, sv := range srcmp {
|
||||
if reflect.DeepEqual(dstmp[sk], sv) {
|
||||
delete(dstmp, sk)
|
||||
}
|
||||
}
|
||||
if len(dstmp) > 0 {
|
||||
w.vchan <- dstmp
|
||||
src = dst
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (w *envWatcher) Next() (map[string]interface{}, error) {
|
||||
select {
|
||||
case <-w.done:
|
||||
break
|
||||
case err := <-w.echan:
|
||||
return nil, err
|
||||
case v, ok := <-w.vchan:
|
||||
if !ok {
|
||||
break
|
||||
}
|
||||
return v, nil
|
||||
}
|
||||
return nil, config.ErrWatcherStopped
|
||||
}
|
||||
|
||||
func (w *envWatcher) Stop() error {
|
||||
close(w.done)
|
||||
return nil
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user