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This commit is contained in:
Ettore Di Giacinto
2020-06-12 17:58:13 +02:00
parent 6d68ed073d
commit 6b8f412138
134 changed files with 6189 additions and 3165 deletions
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197
vendor/github.com/spf13/viper/viper.go generated vendored
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@@ -23,6 +23,7 @@ import (
"bytes"
"encoding/csv"
"encoding/json"
"errors"
"fmt"
"io"
"log"
@@ -33,19 +34,19 @@ import (
"sync"
"time"
yaml "gopkg.in/yaml.v2"
"github.com/fsnotify/fsnotify"
"github.com/hashicorp/hcl"
"github.com/hashicorp/hcl/hcl/printer"
"github.com/magiconair/properties"
"github.com/mitchellh/mapstructure"
toml "github.com/pelletier/go-toml"
"github.com/pelletier/go-toml"
"github.com/spf13/afero"
"github.com/spf13/cast"
jww "github.com/spf13/jwalterweatherman"
"github.com/spf13/pflag"
"github.com/subosito/gotenv"
"gopkg.in/ini.v1"
"gopkg.in/yaml.v2"
)
// ConfigMarshalError happens when failing to marshal the configuration.
@@ -115,6 +116,14 @@ func (fnfe ConfigFileNotFoundError) Error() string {
return fmt.Sprintf("Config File %q Not Found in %q", fnfe.name, fnfe.locations)
}
// ConfigFileAlreadyExistsError denotes failure to write new configuration file.
type ConfigFileAlreadyExistsError string
// Error returns the formatted error when configuration already exists.
func (faee ConfigFileAlreadyExistsError) Error() string {
return fmt.Sprintf("Config File %q Already Exists", string(faee))
}
// A DecoderConfigOption can be passed to viper.Unmarshal to configure
// mapstructure.DecoderConfig options
type DecoderConfigOption func(*mapstructure.DecoderConfig)
@@ -188,7 +197,7 @@ type Viper struct {
envPrefix string
automaticEnvApplied bool
envKeyReplacer *strings.Replacer
envKeyReplacer StringReplacer
allowEmptyEnv bool
config map[string]interface{}
@@ -226,12 +235,58 @@ func New() *Viper {
return v
}
// Option configures Viper using the functional options paradigm popularized by Rob Pike and Dave Cheney.
// If you're unfamiliar with this style,
// see https://commandcenter.blogspot.com/2014/01/self-referential-functions-and-design.html and
// https://dave.cheney.net/2014/10/17/functional-options-for-friendly-apis.
type Option interface {
apply(v *Viper)
}
type optionFunc func(v *Viper)
func (fn optionFunc) apply(v *Viper) {
fn(v)
}
// KeyDelimiter sets the delimiter used for determining key parts.
// By default it's value is ".".
func KeyDelimiter(d string) Option {
return optionFunc(func(v *Viper) {
v.keyDelim = d
})
}
// StringReplacer applies a set of replacements to a string.
type StringReplacer interface {
// Replace returns a copy of s with all replacements performed.
Replace(s string) string
}
// EnvKeyReplacer sets a replacer used for mapping environment variables to internal keys.
func EnvKeyReplacer(r StringReplacer) Option {
return optionFunc(func(v *Viper) {
v.envKeyReplacer = r
})
}
// NewWithOptions creates a new Viper instance.
func NewWithOptions(opts ...Option) *Viper {
v := New()
for _, opt := range opts {
opt.apply(v)
}
return v
}
// Reset is intended for testing, will reset all to default settings.
// In the public interface for the viper package so applications
// can use it in their testing as well.
func Reset() {
v = New()
SupportedExts = []string{"json", "toml", "yaml", "yml", "properties", "props", "prop", "hcl", "dotenv", "env"}
SupportedExts = []string{"json", "toml", "yaml", "yml", "properties", "props", "prop", "hcl", "dotenv", "env", "ini"}
SupportedRemoteProviders = []string{"etcd", "consul"}
}
@@ -270,7 +325,7 @@ type RemoteProvider interface {
}
// SupportedExts are universally supported extensions.
var SupportedExts = []string{"json", "toml", "yaml", "yml", "properties", "props", "prop", "hcl", "dotenv", "env"}
var SupportedExts = []string{"json", "toml", "yaml", "yml", "properties", "props", "prop", "hcl", "dotenv", "env", "ini"}
// SupportedRemoteProviders are universally supported remote providers.
var SupportedRemoteProviders = []string{"etcd", "consul"}
@@ -670,7 +725,7 @@ func GetViper() *Viper {
func Get(key string) interface{} { return v.Get(key) }
func (v *Viper) Get(key string) interface{} {
lcaseKey := strings.ToLower(key)
val := v.find(lcaseKey)
val := v.find(lcaseKey, true)
if val == nil {
return nil
}
@@ -894,8 +949,11 @@ func decode(input interface{}, config *mapstructure.DecoderConfig) error {
// UnmarshalExact unmarshals the config into a Struct, erroring if a field is nonexistent
// in the destination struct.
func (v *Viper) UnmarshalExact(rawVal interface{}) error {
config := defaultDecoderConfig(rawVal)
func UnmarshalExact(rawVal interface{}, opts ...DecoderConfigOption) error {
return v.UnmarshalExact(rawVal, opts...)
}
func (v *Viper) UnmarshalExact(rawVal interface{}, opts ...DecoderConfigOption) error {
config := defaultDecoderConfig(rawVal, opts...)
config.ErrorUnused = true
err := decode(v.AllSettings(), config)
@@ -960,7 +1018,7 @@ func BindEnv(input ...string) error { return v.BindEnv(input...) }
func (v *Viper) BindEnv(input ...string) error {
var key, envkey string
if len(input) == 0 {
return fmt.Errorf("BindEnv missing key to bind to")
return fmt.Errorf("missing key to bind to")
}
key = strings.ToLower(input[0])
@@ -977,12 +1035,15 @@ func (v *Viper) BindEnv(input ...string) error {
}
// Given a key, find the value.
// Viper will check in the following order:
// flag, env, config file, key/value store, default.
//
// Viper will check to see if an alias exists first.
// Viper will then check in the following order:
// flag, env, config file, key/value store.
// Lastly, if no value was found and flagDefault is true, and if the key
// corresponds to a flag, the flag's default value is returned.
//
// Note: this assumes a lower-cased key given.
func (v *Viper) find(lcaseKey string) interface{} {
func (v *Viper) find(lcaseKey string, flagDefault bool) interface{} {
var (
val interface{}
exists bool
@@ -1083,29 +1144,31 @@ func (v *Viper) find(lcaseKey string) interface{} {
return nil
}
// last chance: if no other value is returned and a flag does exist for the value,
// get the flag's value even if the flag's value has not changed
if flag, exists := v.pflags[lcaseKey]; exists {
switch flag.ValueType() {
case "int", "int8", "int16", "int32", "int64":
return cast.ToInt(flag.ValueString())
case "bool":
return cast.ToBool(flag.ValueString())
case "stringSlice":
s := strings.TrimPrefix(flag.ValueString(), "[")
s = strings.TrimSuffix(s, "]")
res, _ := readAsCSV(s)
return res
case "intSlice":
s := strings.TrimPrefix(flag.ValueString(), "[")
s = strings.TrimSuffix(s, "]")
res, _ := readAsCSV(s)
return cast.ToIntSlice(res)
default:
return flag.ValueString()
if flagDefault {
// last chance: if no value is found and a flag does exist for the key,
// get the flag's default value even if the flag's value has not been set.
if flag, exists := v.pflags[lcaseKey]; exists {
switch flag.ValueType() {
case "int", "int8", "int16", "int32", "int64":
return cast.ToInt(flag.ValueString())
case "bool":
return cast.ToBool(flag.ValueString())
case "stringSlice":
s := strings.TrimPrefix(flag.ValueString(), "[")
s = strings.TrimSuffix(s, "]")
res, _ := readAsCSV(s)
return res
case "intSlice":
s := strings.TrimPrefix(flag.ValueString(), "[")
s = strings.TrimSuffix(s, "]")
res, _ := readAsCSV(s)
return cast.ToIntSlice(res)
default:
return flag.ValueString()
}
}
// last item, no need to check shadowing
}
// last item, no need to check shadowing
return nil
}
@@ -1124,7 +1187,7 @@ func readAsCSV(val string) ([]string, error) {
func IsSet(key string) bool { return v.IsSet(key) }
func (v *Viper) IsSet(key string) bool {
lcaseKey := strings.ToLower(key)
val := v.find(lcaseKey)
val := v.find(lcaseKey, false)
return val != nil
}
@@ -1331,11 +1394,10 @@ func (v *Viper) WriteConfig() error {
// SafeWriteConfig writes current configuration to file only if the file does not exist.
func SafeWriteConfig() error { return v.SafeWriteConfig() }
func (v *Viper) SafeWriteConfig() error {
filename, err := v.getConfigFile()
if err != nil {
return err
if len(v.configPaths) < 1 {
return errors.New("missing configuration for 'configPath'")
}
return v.writeConfig(filename, false)
return v.SafeWriteConfigAs(filepath.Join(v.configPaths[0], v.configName+"."+v.configType))
}
// WriteConfigAs writes current configuration to a given filename.
@@ -1347,15 +1409,18 @@ func (v *Viper) WriteConfigAs(filename string) error {
// SafeWriteConfigAs writes current configuration to a given filename if it does not exist.
func SafeWriteConfigAs(filename string) error { return v.SafeWriteConfigAs(filename) }
func (v *Viper) SafeWriteConfigAs(filename string) error {
alreadyExists, err := afero.Exists(v.fs, filename)
if alreadyExists && err == nil {
return ConfigFileAlreadyExistsError(filename)
}
return v.writeConfig(filename, false)
}
func writeConfig(filename string, force bool) error { return v.writeConfig(filename, force) }
func (v *Viper) writeConfig(filename string, force bool) error {
jww.INFO.Println("Attempting to write configuration to file.")
ext := filepath.Ext(filename)
if len(ext) <= 1 {
return fmt.Errorf("Filename: %s requires valid extension.", filename)
return fmt.Errorf("filename: %s requires valid extension", filename)
}
configType := ext[1:]
if !stringInSlice(configType, SupportedExts) {
@@ -1444,6 +1509,23 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error {
// set innermost value
deepestMap[lastKey] = value
}
case "ini":
cfg := ini.Empty()
err := cfg.Append(buf.Bytes())
if err != nil {
return ConfigParseError{err}
}
sections := cfg.Sections()
for i := 0; i < len(sections); i++ {
section := sections[i]
keys := section.Keys()
for j := 0; j < len(keys); j++ {
key := keys[j]
value := cfg.Section(section.Name()).Key(key.Name()).String()
c[section.Name()+"."+key.Name()] = value
}
}
}
insensitiviseMap(c)
@@ -1451,9 +1533,6 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error {
}
// Marshal a map into Writer.
func marshalWriter(f afero.File, configType string) error {
return v.marshalWriter(f, configType)
}
func (v *Viper) marshalWriter(f afero.File, configType string) error {
c := v.AllSettings()
switch configType {
@@ -1527,6 +1606,22 @@ func (v *Viper) marshalWriter(f afero.File, configType string) error {
if _, err = f.WriteString(string(b)); err != nil {
return ConfigMarshalError{err}
}
case "ini":
keys := v.AllKeys()
cfg := ini.Empty()
ini.PrettyFormat = false
for i := 0; i < len(keys); i++ {
key := keys[i]
lastSep := strings.LastIndex(key, ".")
sectionName := key[:(lastSep)]
keyName := key[(lastSep + 1):]
if sectionName == "default" {
sectionName = ""
}
cfg.Section(sectionName).Key(keyName).SetValue(Get(key).(string))
}
cfg.WriteTo(f)
}
return nil
}
@@ -1673,7 +1768,7 @@ func (v *Viper) getRemoteConfig(provider RemoteProvider) (map[string]interface{}
func (v *Viper) watchKeyValueConfigOnChannel() error {
for _, rp := range v.remoteProviders {
respc, _ := RemoteConfig.WatchChannel(rp)
//Todo: Add quit channel
// Todo: Add quit channel
go func(rc <-chan *RemoteResponse) {
for {
b := <-rc
@@ -1709,7 +1804,7 @@ func (v *Viper) watchRemoteConfig(provider RemoteProvider) (map[string]interface
}
// AllKeys returns all keys holding a value, regardless of where they are set.
// Nested keys are returned with a v.keyDelim (= ".") separator
// Nested keys are returned with a v.keyDelim separator
func AllKeys() []string { return v.AllKeys() }
func (v *Viper) AllKeys() []string {
m := map[string]bool{}
@@ -1732,7 +1827,7 @@ func (v *Viper) AllKeys() []string {
// flattenAndMergeMap recursively flattens the given map into a map[string]bool
// of key paths (used as a set, easier to manipulate than a []string):
// - each path is merged into a single key string, delimited with v.keyDelim (= ".")
// - each path is merged into a single key string, delimited with v.keyDelim
// - if a path is shadowed by an earlier value in the initial shadow map,
// it is skipped.
// The resulting set of paths is merged to the given shadow set at the same time.
@@ -1881,6 +1976,12 @@ func (v *Viper) searchInPath(in string) (filename string) {
}
}
if v.configType != "" {
if b, _ := exists(v.fs, filepath.Join(in, v.configName)); b {
return filepath.Join(in, v.configName)
}
}
return ""
}