mirror of
https://github.com/superseriousbusiness/gotosocial
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[chore] bumps our spf13/viper version (#3943)
* bumps our spf13/viper version * fixes the one breaking change
This commit is contained in:
kim
GitHub
256
vendor/github.com/spf13/viper/remote.go
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vendored
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256
vendor/github.com/spf13/viper/remote.go
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package viper
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import (
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"bytes"
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"fmt"
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"io"
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"reflect"
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"slices"
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)
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// SupportedRemoteProviders are universally supported remote providers.
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var SupportedRemoteProviders = []string{"etcd", "etcd3", "consul", "firestore", "nats"}
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func resetRemote() {
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SupportedRemoteProviders = []string{"etcd", "etcd3", "consul", "firestore", "nats"}
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}
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type remoteConfigFactory interface {
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Get(rp RemoteProvider) (io.Reader, error)
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Watch(rp RemoteProvider) (io.Reader, error)
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WatchChannel(rp RemoteProvider) (<-chan *RemoteResponse, chan bool)
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}
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type RemoteResponse struct {
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Value []byte
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Error error
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}
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// RemoteConfig is optional, see the remote package.
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var RemoteConfig remoteConfigFactory
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// UnsupportedRemoteProviderError denotes encountering an unsupported remote
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// provider. Currently only etcd and Consul are supported.
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type UnsupportedRemoteProviderError string
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// Error returns the formatted remote provider error.
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func (str UnsupportedRemoteProviderError) Error() string {
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return fmt.Sprintf("Unsupported Remote Provider Type %q", string(str))
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}
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// RemoteConfigError denotes encountering an error while trying to
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// pull the configuration from the remote provider.
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type RemoteConfigError string
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// Error returns the formatted remote provider error.
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func (rce RemoteConfigError) Error() string {
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return fmt.Sprintf("Remote Configurations Error: %s", string(rce))
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}
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type defaultRemoteProvider struct {
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provider string
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endpoint string
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path string
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secretKeyring string
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}
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func (rp defaultRemoteProvider) Provider() string {
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return rp.provider
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}
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func (rp defaultRemoteProvider) Endpoint() string {
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return rp.endpoint
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}
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func (rp defaultRemoteProvider) Path() string {
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return rp.path
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}
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func (rp defaultRemoteProvider) SecretKeyring() string {
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return rp.secretKeyring
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}
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// RemoteProvider stores the configuration necessary
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// to connect to a remote key/value store.
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// Optional secretKeyring to unencrypt encrypted values
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// can be provided.
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type RemoteProvider interface {
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Provider() string
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Endpoint() string
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Path() string
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SecretKeyring() string
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}
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// AddRemoteProvider adds a remote configuration source.
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// Remote Providers are searched in the order they are added.
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// provider is a string value: "etcd", "etcd3", "consul", "firestore" or "nats" are currently supported.
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// endpoint is the url. etcd requires http://ip:port, consul requires ip:port, nats requires nats://ip:port
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// path is the path in the k/v store to retrieve configuration
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// To retrieve a config file called myapp.json from /configs/myapp.json
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// you should set path to /configs and set config name (SetConfigName()) to
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// "myapp".
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func AddRemoteProvider(provider, endpoint, path string) error {
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return v.AddRemoteProvider(provider, endpoint, path)
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}
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func (v *Viper) AddRemoteProvider(provider, endpoint, path string) error {
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if !slices.Contains(SupportedRemoteProviders, provider) {
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return UnsupportedRemoteProviderError(provider)
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}
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if provider != "" && endpoint != "" {
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v.logger.Info("adding remote provider", "provider", provider, "endpoint", endpoint)
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rp := &defaultRemoteProvider{
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endpoint: endpoint,
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provider: provider,
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path: path,
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}
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if !v.providerPathExists(rp) {
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v.remoteProviders = append(v.remoteProviders, rp)
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}
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}
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return nil
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}
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// AddSecureRemoteProvider adds a remote configuration source.
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// Secure Remote Providers are searched in the order they are added.
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// provider is a string value: "etcd", "etcd3", "consul", "firestore" or "nats" are currently supported.
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// endpoint is the url. etcd requires http://ip:port consul requires ip:port
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// secretkeyring is the filepath to your openpgp secret keyring. e.g. /etc/secrets/myring.gpg
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// path is the path in the k/v store to retrieve configuration
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// To retrieve a config file called myapp.json from /configs/myapp.json
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// you should set path to /configs and set config name (SetConfigName()) to
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// "myapp".
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// Secure Remote Providers are implemented with github.com/sagikazarmark/crypt.
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func AddSecureRemoteProvider(provider, endpoint, path, secretkeyring string) error {
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return v.AddSecureRemoteProvider(provider, endpoint, path, secretkeyring)
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}
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func (v *Viper) AddSecureRemoteProvider(provider, endpoint, path, secretkeyring string) error {
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if !slices.Contains(SupportedRemoteProviders, provider) {
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return UnsupportedRemoteProviderError(provider)
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}
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if provider != "" && endpoint != "" {
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v.logger.Info("adding remote provider", "provider", provider, "endpoint", endpoint)
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rp := &defaultRemoteProvider{
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endpoint: endpoint,
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provider: provider,
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path: path,
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secretKeyring: secretkeyring,
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}
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if !v.providerPathExists(rp) {
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v.remoteProviders = append(v.remoteProviders, rp)
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}
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}
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return nil
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}
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func (v *Viper) providerPathExists(p *defaultRemoteProvider) bool {
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for _, y := range v.remoteProviders {
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if reflect.DeepEqual(y, p) {
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return true
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}
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}
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return false
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}
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// ReadRemoteConfig attempts to get configuration from a remote source
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// and read it in the remote configuration registry.
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func ReadRemoteConfig() error { return v.ReadRemoteConfig() }
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func (v *Viper) ReadRemoteConfig() error {
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return v.getKeyValueConfig()
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}
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func WatchRemoteConfig() error { return v.WatchRemoteConfig() }
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func (v *Viper) WatchRemoteConfig() error {
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return v.watchKeyValueConfig()
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}
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func (v *Viper) WatchRemoteConfigOnChannel() error {
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return v.watchKeyValueConfigOnChannel()
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}
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// Retrieve the first found remote configuration.
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func (v *Viper) getKeyValueConfig() error {
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if RemoteConfig == nil {
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return RemoteConfigError("Enable the remote features by doing a blank import of the viper/remote package: '_ github.com/spf13/viper/remote'")
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}
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if len(v.remoteProviders) == 0 {
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return RemoteConfigError("No Remote Providers")
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}
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for _, rp := range v.remoteProviders {
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val, err := v.getRemoteConfig(rp)
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if err != nil {
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v.logger.Error(fmt.Errorf("get remote config: %w", err).Error())
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continue
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}
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v.kvstore = val
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return nil
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}
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return RemoteConfigError("No Files Found")
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}
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func (v *Viper) getRemoteConfig(provider RemoteProvider) (map[string]any, error) {
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reader, err := RemoteConfig.Get(provider)
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if err != nil {
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return nil, err
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}
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err = v.unmarshalReader(reader, v.kvstore)
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return v.kvstore, err
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}
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// Retrieve the first found remote configuration.
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func (v *Viper) watchKeyValueConfigOnChannel() error {
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if len(v.remoteProviders) == 0 {
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return RemoteConfigError("No Remote Providers")
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}
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for _, rp := range v.remoteProviders {
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respc, _ := RemoteConfig.WatchChannel(rp)
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// Todo: Add quit channel
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go func(rc <-chan *RemoteResponse) {
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for {
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b := <-rc
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reader := bytes.NewReader(b.Value)
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v.unmarshalReader(reader, v.kvstore)
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}
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}(respc)
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return nil
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}
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return RemoteConfigError("No Files Found")
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}
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// Retrieve the first found remote configuration.
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func (v *Viper) watchKeyValueConfig() error {
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if len(v.remoteProviders) == 0 {
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return RemoteConfigError("No Remote Providers")
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}
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for _, rp := range v.remoteProviders {
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val, err := v.watchRemoteConfig(rp)
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if err != nil {
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v.logger.Error(fmt.Errorf("watch remote config: %w", err).Error())
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continue
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}
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v.kvstore = val
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return nil
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}
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return RemoteConfigError("No Files Found")
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}
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func (v *Viper) watchRemoteConfig(provider RemoteProvider) (map[string]any, error) {
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reader, err := RemoteConfig.Watch(provider)
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if err != nil {
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return nil, err
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}
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err = v.unmarshalReader(reader, v.kvstore)
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return v.kvstore, err
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}
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