276 lines
7.8 KiB
Go
276 lines
7.8 KiB
Go
package nodeconfig
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import (
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"fmt"
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"os"
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"strconv"
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"time"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
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"github.com/nspcc-dev/neofs-node/pkg/network"
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utilConfig "github.com/nspcc-dev/neofs-node/pkg/util/config"
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)
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// PersistentSessionsConfig is a wrapper over "persistent_sessions" config section
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// which provides access to persistent session tokens storage configuration of node.
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type PersistentSessionsConfig struct {
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cfg *config.Config
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}
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// PersistentStateConfig is a wrapper over "persistent_state" config section
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// which provides access to persistent state storage configuration of node.
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type PersistentStateConfig struct {
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cfg *config.Config
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}
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// NotificationConfig is a wrapper over "notification" config section
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// which provides access to object notification configuration of node.
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type NotificationConfig struct {
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cfg *config.Config
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}
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const (
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subsection = "node"
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persistentSessionsSubsection = "persistent_sessions"
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persistentStateSubsection = "persistent_state"
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notificationSubsection = "notification"
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attributePrefix = "attribute"
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// PersistentStatePathDefault is a default path for persistent state file.
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PersistentStatePathDefault = ".neofs-storage-state"
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// NotificationTimeoutDefault is a default timeout for object notification operation.
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NotificationTimeoutDefault = 5 * time.Second
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)
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// Key returns the value of "key" config parameter
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// from "node" section.
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//
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// If the value is not set, fallbacks to Wallet section.
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//
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// Panics if the value is incorrect filename of binary encoded private key.
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func Key(c *config.Config) *keys.PrivateKey {
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v := config.StringSafe(c.Sub(subsection), "key")
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if v == "" {
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return Wallet(c)
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}
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var (
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key *keys.PrivateKey
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err error
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data []byte
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)
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if data, err = os.ReadFile(v); err == nil {
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key, err = keys.NewPrivateKeyFromBytes(data)
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}
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if err != nil {
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panic(fmt.Errorf("invalid private key in node section: %w", err))
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}
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return key
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}
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// Wallet returns the value of a node private key from "node" section.
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//
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// Panics if section contains invalid values.
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func Wallet(c *config.Config) *keys.PrivateKey {
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v := c.Sub(subsection).Sub("wallet")
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acc, err := utilConfig.LoadAccount(
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config.String(v, "path"),
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config.String(v, "address"),
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config.String(v, "password"))
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if err != nil {
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panic(fmt.Errorf("invalid wallet config: %w", err))
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}
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return acc.PrivateKey()
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}
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type stringAddressGroup []string
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func (x stringAddressGroup) IterateAddresses(f func(string) bool) {
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for i := range x {
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if f(x[i]) {
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break
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}
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}
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}
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func (x stringAddressGroup) NumberOfAddresses() int {
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return len(x)
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}
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// BootstrapAddresses returns the value of "addresses" config parameter
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// from "node" section as network.AddressGroup.
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//
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// Panics if the value is not a string list of valid NeoFS network addresses.
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func BootstrapAddresses(c *config.Config) (addr network.AddressGroup) {
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v := config.StringSlice(c.Sub(subsection), "addresses")
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err := addr.FromIterator(stringAddressGroup(v))
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if err != nil {
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panic(fmt.Errorf("could not parse bootstrap addresses: %w", err))
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}
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return addr
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}
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// Attributes returns list of config parameters
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// from "node" section that are set in "attribute_i" format,
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// where i in range [0,100).
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func Attributes(c *config.Config) (attrs []string) {
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const maxAttributes = 100
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for i := 0; i < maxAttributes; i++ {
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attr := config.StringSafe(c.Sub(subsection), attributePrefix+"_"+strconv.Itoa(i))
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if attr == "" {
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return
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}
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attrs = append(attrs, attr)
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}
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return
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}
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// Relay returns the value of "relay" config parameter
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// from "node" section.
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//
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// Returns false if the value is not set.
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func Relay(c *config.Config) bool {
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return config.BoolSafe(c.Sub(subsection), "relay")
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}
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// PersistentSessions returns structure that provides access to "persistent_sessions"
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// subsection of "node" section.
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func PersistentSessions(c *config.Config) PersistentSessionsConfig {
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return PersistentSessionsConfig{
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c.Sub(subsection).Sub(persistentSessionsSubsection),
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}
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}
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// Path returns the value of "path" config parameter.
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//
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// Returns PersistentStatePathDefault if the value is not a non-empty string.
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func (p PersistentSessionsConfig) Path() string {
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return config.String(p.cfg, "path")
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}
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// PersistentState returns structure that provides access to "persistent_state"
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// subsection of "node" section.
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func PersistentState(c *config.Config) PersistentStateConfig {
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return PersistentStateConfig{
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c.Sub(subsection).Sub(persistentStateSubsection),
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}
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}
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// Path returns the value of "path" config parameter.
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//
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// Returns PersistentStatePathDefault if the value is not a non-empty string.
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func (p PersistentStateConfig) Path() string {
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v := config.String(p.cfg, "path")
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if v != "" {
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return v
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}
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return PersistentStatePathDefault
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}
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// SubnetConfig represents node configuration related to subnets.
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type SubnetConfig config.Config
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// Init initializes SubnetConfig from "subnet" sub-section of "node" section
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// of the root config.
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func (x *SubnetConfig) Init(root config.Config) {
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*x = SubnetConfig(*root.Sub(subsection).Sub("subnet"))
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}
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// ExitZero returns the value of "exit_zero" config parameter as bool.
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// Returns false if the value can not be cast.
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func (x SubnetConfig) ExitZero() bool {
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return config.BoolSafe((*config.Config)(&x), "exit_zero")
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}
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// IterateSubnets casts the value of "entries" config parameter to string slice,
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// iterates over all of its elements and passes them to f.
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//
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// Does nothing if the value can not be cast to string slice.
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func (x SubnetConfig) IterateSubnets(f func(string)) {
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ids := config.StringSliceSafe((*config.Config)(&x), "entries")
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for i := range ids {
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f(ids[i])
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}
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}
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// Notification returns structure that provides access to "notification"
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// subsection of "node" section.
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func Notification(c *config.Config) NotificationConfig {
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return NotificationConfig{
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c.Sub(subsection).Sub(notificationSubsection),
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}
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}
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// Enabled returns the value of "enabled" config parameter from "notification"
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// subsection of "node" section.
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//
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// Returns false if the value is not presented.
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func (n NotificationConfig) Enabled() bool {
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return config.BoolSafe(n.cfg, "enabled")
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}
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// DefaultTopic returns the value of "default_topic" config parameter from
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// "notification" subsection of "node" section.
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//
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// Returns empty string if the value is not presented.
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func (n NotificationConfig) DefaultTopic() string {
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return config.StringSafe(n.cfg, "default_topic")
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}
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// Endpoint returns the value of "endpoint" config parameter from "notification"
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// subsection of "node" section.
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//
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// Returns empty string if the value is not presented.
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func (n NotificationConfig) Endpoint() string {
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return config.StringSafe(n.cfg, "endpoint")
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}
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// Timeout returns the value of "timeout" config parameter from "notification"
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// subsection of "node" section.
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//
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// Returns NotificationTimeoutDefault if the value is not positive.
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func (n NotificationConfig) Timeout() time.Duration {
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v := config.DurationSafe(n.cfg, "timeout")
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if v > 0 {
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return v
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}
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return NotificationTimeoutDefault
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}
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// CertPath returns the value of "certificate_path" config parameter from "notification"
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// subsection of "node" section.
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//
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// Returns empty string if the value is not presented.
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func (n NotificationConfig) CertPath() string {
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return config.StringSafe(n.cfg, "certificate")
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}
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// KeyPath returns the value of "key_path" config parameter from
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// "notification" subsection of "node" section.
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//
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// Returns empty string if the value is not presented.
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func (n NotificationConfig) KeyPath() string {
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return config.StringSafe(n.cfg, "key")
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}
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// CAPath returns the value of "ca_path" config parameter from
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// "notification" subsection of "node" section.
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//
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// Returns empty string if the value is not presented.
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func (n NotificationConfig) CAPath() string {
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return config.StringSafe(n.cfg, "ca")
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}
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