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docs: fix indentation in code samples

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Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>
This commit is contained in:
Mark Sagi-Kazar 2021-09-19 09:34:11 +02:00 committed by Márk Sági-Kazár
parent 0d7e8034ee
commit 65f16c1738
1 changed files with 38 additions and 38 deletions
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README.md
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@ -127,11 +127,11 @@ You can handle the specific case where no config file is found like this:
```go ```go
if err := viper.ReadInConfig(); err != nil { if err := viper.ReadInConfig(); err != nil {
if _, ok := err.(viper.ConfigFileNotFoundError); ok { if _, ok := err.(viper.ConfigFileNotFoundError); ok {
// Config file not found; ignore error if desired // Config file not found; ignore error if desired
} else { } else {
// Config file was found but another error was produced // Config file was found but another error was produced
} }
} }
// Config file found and successfully parsed // Config file found and successfully parsed
@ -354,7 +354,7 @@ func main() {
i := viper.GetInt("flagname") // retrieve value from viper i := viper.GetInt("flagname") // retrieve value from viper
... // ...
} }
``` ```
@ -503,18 +503,18 @@ runtime_viper.Unmarshal(&runtime_conf)
// open a goroutine to watch remote changes forever // open a goroutine to watch remote changes forever
go func(){ go func(){
for { for {
time.Sleep(time.Second * 5) // delay after each request time.Sleep(time.Second * 5) // delay after each request
// currently, only tested with etcd support // currently, only tested with etcd support
err := runtime_viper.WatchRemoteConfig() err := runtime_viper.WatchRemoteConfig()
if err != nil { if err != nil {
log.Errorf("unable to read remote config: %v", err) log.Errorf("unable to read remote config: %v", err)
continue continue
} }
// unmarshal new config into our runtime config struct. you can also use channel // unmarshal new config into our runtime config struct. you can also use channel
// to implement a signal to notify the system of the changes // to implement a signal to notify the system of the changes
runtime_viper.Unmarshal(&runtime_conf) runtime_viper.Unmarshal(&runtime_conf)
} }
}() }()
``` ```
@ -546,7 +546,7 @@ Example:
```go ```go
viper.GetString("logfile") // case-insensitive Setting & Getting viper.GetString("logfile") // case-insensitive Setting & Getting
if viper.GetBool("verbose") { if viper.GetBool("verbose") {
fmt.Println("verbose enabled") fmt.Println("verbose enabled")
} }
``` ```
### Accessing nested keys ### Accessing nested keys
@ -669,7 +669,7 @@ So instead of doing that let's pass a Viper instance to the constructor that rep
```go ```go
cache1Config := viper.Sub("cache.cache1") cache1Config := viper.Sub("cache.cache1")
if cache1Config == nil { // Sub returns nil if the key cannot be found if cache1Config == nil { // Sub returns nil if the key cannot be found
panic("cache configuration not found") panic("cache configuration not found")
} }
cache1 := NewCache(cache1Config) cache1 := NewCache(cache1Config)
@ -681,10 +681,10 @@ Internally, the `NewCache` function can address `max-items` and `item-size` keys
```go ```go
func NewCache(v *Viper) *Cache { func NewCache(v *Viper) *Cache {
return &Cache{ return &Cache{
MaxItems: v.GetInt("max-items"), MaxItems: v.GetInt("max-items"),
ItemSize: v.GetInt("item-size"), ItemSize: v.GetInt("item-size"),
} }
} }
``` ```
@ -726,18 +726,18 @@ you have to change the delimiter:
v := viper.NewWithOptions(viper.KeyDelimiter("::")) v := viper.NewWithOptions(viper.KeyDelimiter("::"))
v.SetDefault("chart::values", map[string]interface{}{ v.SetDefault("chart::values", map[string]interface{}{
"ingress": map[string]interface{}{ "ingress": map[string]interface{}{
"annotations": map[string]interface{}{ "annotations": map[string]interface{}{
"traefik.frontend.rule.type": "PathPrefix", "traefik.frontend.rule.type": "PathPrefix",
"traefik.ingress.kubernetes.io/ssl-redirect": "true", "traefik.ingress.kubernetes.io/ssl-redirect": "true",
}, },
}, },
}) })
type config struct { type config struct {
Chart struct{ Chart struct{
Values map[string]interface{} Values map[string]interface{}
} }
} }
var C config var C config
@ -794,17 +794,17 @@ You can use your favorite format's marshaller with the config returned by `AllSe
```go ```go
import ( import (
yaml "gopkg.in/yaml.v2" yaml "gopkg.in/yaml.v2"
// ... // ...
) )
func yamlStringSettings() string { func yamlStringSettings() string {
c := viper.AllSettings() c := viper.AllSettings()
bs, err := yaml.Marshal(c) bs, err := yaml.Marshal(c)
if err != nil { if err != nil {
log.Fatalf("unable to marshal config to YAML: %v", err) log.Fatalf("unable to marshal config to YAML: %v", err)
} }
return string(bs) return string(bs)
} }
``` ```