in agent/envoy_bootstrap/envoy_bootstrap.go [455:493]
func buildAdmin(agentConfig config.AgentConfig) (*boot.Admin, error) {
accessLogConfig, err := buildAdminAccessLogConfig()
if err != nil {
return nil, err
}
switch agentConfig.EnvoyAdminMode {
case config.UDS:
return &boot.Admin{
AccessLog: []*accesslog.AccessLog{
accessLogConfig,
},
Address: buildSocketPipe_WithMode(config.ENVOY_ADMIN_UDS_PATH, config.ENVOY_ADMIN_UDS_FILE_MODE_DEFAULT),
}, nil
default:
port, err := env.OrInt("ENVOY_ADMIN_ACCESS_PORT", 9901)
if err != nil {
return nil, err
}
enable_ipv6, err := env.Truthy("ENVOY_ADMIN_ACCESS_ENABLE_IPV6")
if err != nil {
return nil, err
}
var addr string
if enable_ipv6 {
addr = "::"
} else {
addr = "0.0.0.0"
}
return &boot.Admin{
AccessLog: []*accesslog.AccessLog{
accessLogConfig,
},
Address: buildTcpSocketAddr(addr, port, enable_ipv6),
}, nil
}
}