}
	defer f.Close()
	var ekvs []envKV
	scanner := bufio.NewScanner(f)
	for scanner.Scan() {
		ekv, err := parsEnvEntry(scanner.Text())
		if err != nil {
			return nil, err
		}
		if ekv.Skip {
			// Skips empty lines
			continue
		}
		ekvs = append(ekvs, ekv)
	}
	if err = scanner.Err(); err != nil {
		return nil, err
	}
	return ekvs, nil
}

	}
	return s.String()
}

// KVS - is a shorthand for some wrapper functions
// to operate on list of key values.
type KVS []KV

// Empty - return if kv is empty
func (kvs KVS) Empty() bool {
	return len(kvs) == 0
}

// Clone - returns a copy of the KVS
func (kvs KVS) Clone() KVS {
	return append(make(KVS, 0, len(kvs)), kvs...)
}

			cfg.HTTP[target] = http.Config{
				Enabled:  true,
				Endpoint: url,
			}
		}

	case config.AuditWebhookSubSys:
		// List legacy audit ENVs if any.
		var loggerAuditTargets []string
		envs := env.List(legacyEnvAuditLoggerHTTPEndpoint)
		for _, k := range envs {
			target := strings.TrimPrefix(k, legacyEnvAuditLoggerHTTPEndpoint+config.Default)
			if target == legacyEnvAuditLoggerHTTPEndpoint {
				target = config.Default

type Opa struct {
	args   Args
	client *http.Client
}

// Enabled returns if opa is enabled.
func Enabled(kvs config.KVS) bool {
	return kvs.Get(URL) != ""
}

// LookupConfig lookup Opa from config, override with any ENVs.
func LookupConfig(kv config.KVS, transport *http.Transport, closeRespFn func(io.ReadCloser)) (Args, error) {
	args := Args{}

	// remove this since we have removed support for this already.
	for k := range s[config.IdentityOpenIDSubSys] {
		for _, dk := range deprecatedKeys {
			kvs := s[config.IdentityOpenIDSubSys][k]
			kvs.Delete(dk)
			s[config.IdentityOpenIDSubSys][k] = kvs
		}
	}

	if err := s.CheckValidKeys(config.IdentityOpenIDSubSys, deprecatedKeys); err != nil {
		return c, err
	}

func Enabled(kvs config.KVS) bool {
	return kvs.Get(ServerAddr) != ""
}

// Lookup - initializes LDAP config, overrides config, if any ENV values are set.
func Lookup(s config.Config, rootCAs *x509.CertPool) (l Config, err error) {
	l = Config{}

	// Purge all removed keys first
	kvs := s[config.IdentityLDAPSubSys][config.Default]
	if len(kvs) > 0 {
		for _, k := range removedKeys {

	gzipObjects := env.Get(EnvAPIGzipObjects, kvs.Get(apiGzipObjects)) == config.EnableOn
	rootAccess := env.Get(EnvAPIRootAccess, kvs.Get(apiRootAccess)) == config.EnableOn

	cfg = Config{
		EnableODirect: enableODirect || !disableODirect,
		GzipObjects:   gzipObjects,
		RootAccess:    rootAccess,
	}

	var corsAllowOrigin []string

	}
	for k, v := range notify.DefaultNotificationKVS {
		kvs[k] = v
	}
	for k, v := range lambda.DefaultLambdaKVS {
		kvs[k] = v
	}
	if globalIsErasure {
		kvs[config.StorageClassSubSys] = storageclass.DefaultKVS
		kvs[config.HealSubSys] = heal.DefaultKVS
	}
	config.RegisterDefaultKVS(kvs)

	// Captures help for each sub-system
	helpSubSys := config.HelpKVS{
		config.HelpKV{

		},
	}
)

// GetNotifyES - returns a map of registered notification 'elasticsearch' targets
func GetNotifyES(esKVS map[string]config.KVS, transport *http.Transport) (map[string]target.ElasticsearchArgs, error) {
	esTargets := make(map[string]target.ElasticsearchArgs)
	for k, kv := range config.Merge(esKVS, target.EnvElasticEnable, DefaultESKVS) {
		enableEnv := target.EnvElasticEnable
		if k != config.Default {

}

// Enabled returns if etcd is enabled.
func Enabled(kvs config.KVS) bool {
	endpoints := kvs.Get(Endpoints)
	return endpoints != ""
}

// LookupConfig - Initialize new etcd config.
func LookupConfig(kvs config.KVS, rootCAs *x509.CertPool) (Config, error) {
	cfg := Config{}
	if err := config.CheckValidKeys(config.EtcdSubSys, kvs, DefaultKVS); err != nil {
		return cfg, err
	}