/
config.go
105 lines (85 loc) · 3.1 KB
/
config.go
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package common
import (
"fmt"
"time"
flag "github.com/spf13/pflag"
"github.com/spf13/viper"
"github.com/oasisprotocol/oasis-core/go/common"
"github.com/oasisprotocol/oasis-core/go/common/logging"
"github.com/oasisprotocol/oasis-core/go/common/node"
"github.com/oasisprotocol/oasis-core/go/worker/common/configparser"
)
var (
// CfgClientPort configures the worker client port.
CfgClientPort = "worker.client.port"
cfgClientAddresses = "worker.client.addresses"
// CfgSentryAddresses configures addresses and public keys of sentry nodes the worker should
// connect to.
CfgSentryAddresses = "worker.sentry.address"
cfgStorageCommitTimeout = "worker.storage_commit_timeout"
// Flags has the configuration flags.
Flags = flag.NewFlagSet("", flag.ContinueOnError)
)
// Config contains common worker config.
type Config struct { // nolint: maligned
ClientPort uint16
ClientAddresses []node.Address
SentryAddresses []node.TLSAddress
StorageCommitTimeout time.Duration
logger *logging.Logger
}
// GetNodeAddresses returns worker node addresses.
func (c *Config) GetNodeAddresses() ([]node.Address, error) {
var addresses []node.Address
if len(c.ClientAddresses) > 0 {
addresses = c.ClientAddresses
} else {
// Use all non-loopback addresses of this node.
addrs, err := common.FindAllAddresses()
if err != nil {
c.logger.Error("failed to obtain addresses",
"err", err)
return nil, err
}
var address node.Address
for _, addr := range addrs {
if derr := address.FromIP(addr, c.ClientPort); derr != nil {
continue
}
addresses = append(addresses, address)
}
}
return addresses, nil
}
// NewConfig creates a new worker config.
func NewConfig() (*Config, error) {
// Parse register address overrides.
clientAddresses, err := configparser.ParseAddressList(viper.GetStringSlice(cfgClientAddresses))
if err != nil {
return nil, err
}
// Parse sentry configuration.
var sentryAddresses []node.TLSAddress
for _, v := range viper.GetStringSlice(CfgSentryAddresses) {
var tlsAddr node.TLSAddress
if err = tlsAddr.UnmarshalText([]byte(v)); err != nil {
return nil, fmt.Errorf("worker: bad sentry address (%s): %w", v, err)
}
sentryAddresses = append(sentryAddresses, tlsAddr)
}
cfg := Config{
ClientPort: uint16(viper.GetInt(CfgClientPort)),
ClientAddresses: clientAddresses,
SentryAddresses: sentryAddresses,
StorageCommitTimeout: viper.GetDuration(cfgStorageCommitTimeout),
logger: logging.GetLogger("worker/config"),
}
return &cfg, nil
}
func init() {
Flags.Uint16(CfgClientPort, 9100, "Port to use for incoming gRPC client connections")
Flags.StringSlice(cfgClientAddresses, []string{}, "Address/port(s) to use for client connections when registering this node (if not set, all non-loopback local interfaces will be used)")
Flags.StringSlice(CfgSentryAddresses, []string{}, "Address(es) of sentry node(s) to connect to of the form [PubKey@]ip:port (where PubKey@ part represents base64 encoded node TLS public key)")
Flags.Duration(cfgStorageCommitTimeout, 10*time.Second, "Storage commit timeout")
_ = viper.BindPFlags(Flags)
}