config

package
v0.5.0 Latest Latest
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 Go to latest Published: Mar 5, 2023 License: AGPL-3.0 Imports: 17 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// Config constants.
	Default    = "default"
	EnvPrefix  = "GATEWAYD_"
	TracerName = "gatewayd"

	// Logger constants.
	DefaultLogOutput         = "console"
	DefaultLogFileName       = "gatewayd.log"
	DefaultLogLevel          = "info"
	DefaultTimeFormat        = zerolog.TimeFormatUnix
	DefaultConsoleTimeFormat = time.RFC3339
	DefaultMaxSize           = 500 // megabytes
	DefaultMaxBackups        = 5
	DefaultMaxAge            = 30 // days
	DefaultCompress          = true
	DefaultLocalTime         = false
	DefaultSyslogTag         = "gatewayd"
	DefaultRSyslogNetwork    = "tcp"
	DefaultRSyslogAddress    = "localhost:514"
	DefaultSyslogPriority    = "info"

	// Plugin constants.
	DefaultMinPort                 = 50000
	DefaultMaxPort                 = 60000
	PluginPriorityStart            = 1000
	LoggerName                     = "plugin"
	DefaultPluginAddress           = "http://plugins/metrics"
	DefaultMetricsMergerPeriod     = 5 * time.Second
	DefaultPluginHealthCheckPeriod = 5 * time.Second

	// Client constants.
	DefaultChunkSize          = 4096
	DefaultReceiveDeadline    = 0 // 0 means no deadline (timeout)
	DefaultSendDeadline       = 0
	DefaultTCPKeepAlivePeriod = 30 * time.Second

	// Pool constants.
	EmptyPoolCapacity        = 0
	DefaultPoolSize          = 10
	MinimumPoolSize          = 2
	DefaultHealthCheckPeriod = 60 * time.Second // This must match PostgreSQL authentication timeout.

	// Server constants.
	DefaultListenNetwork = "tcp"
	DefaultListenAddress = "0.0.0.0:15432"
	DefaultTickInterval  = 5 * time.Second
	DefaultBufferSize    = 1 << 24 // 16777216 bytes
	DefaultTCPKeepAlive  = 3 * time.Second
	DefaultLoadBalancer  = "roundrobin"

	// Utility constants.
	DefaultSeed        = 1000
	ChecksumBufferSize = 65536

	// Metrics constants.
	DefaultMetricsAddress = "localhost:2112"
	DefaultMetricsPath    = "/metrics"

	// Sentry constants.
	DefaultTraceSampleRate  = 0.2
	DefaultAttachStacktrace = true
	DefaultFlushTimeout     = 2 * time.Second

	// API constants.
	DefaultHTTPAPIAddress = "localhost:8080"
	DefaultGRPCAPINetwork = "tcp"
	DefaultGRPCAPIAddress = "localhost:9090"
)
View Source 
const Name = "GatewayD"

Variables

View Source 
var (
	// Version is the semantic version of GatewayD.
	Version = ""
	// VersionDetails is the build timestamp and the tagged commit hash.
	VersionDetails = ""
)

Functions

func VersionInfo added in v0.3.1 

func VersionInfo() string

VersionInfo returns the full version and build information for the currently running GatewayD executable.

Types

type API added in v0.5.0 

type API struct {
	Enabled     bool   `koanf:"enabled"`
	HTTPAddress string `koanf:"httpAddress"`
	GRPCAddress string `koanf:"grpcAddress"`
	GRPCNetwork string `koanf:"grpcNetwork"`
}

type AcceptancePolicy added in v0.2.4 

type AcceptancePolicy uint
const (
	Accept AcceptancePolicy = iota // Accept all custom hooks
	Reject                         // Reject all custom hooks
)

AcceptancePolicy is the acceptance policy for custom hooks.

type Client 

type Client struct {
	Network            string        `koanf:"network"`
	Address            string        `koanf:"address"`
	TCPKeepAlive       bool          `koanf:"tcpKeepAlive"`
	TCPKeepAlivePeriod time.Duration `koanf:"tcpKeepAlivePeriod"`
	ReceiveBufferSize  int           `koanf:"receiveBufferSize"`
	ReceiveChunkSize   int           `koanf:"receiveChunkSize"`
	ReceiveDeadline    time.Duration `koanf:"receiveDeadline"`
	SendDeadline       time.Duration `koanf:"sendDeadline"`
}

type CompatibilityPolicy added in v0.2.4 

type CompatibilityPolicy uint
const (
	Strict CompatibilityPolicy = iota // Expect all required plugins to be loaded and present
	Loose                             // Load the plugin, even if the requirements are not met
)

CompatibilityPolicy is the compatibility policy for plugins.

type Config added in v0.3.1 

type Config struct {
	GlobalKoanf *koanf.Koanf
	PluginKoanf *koanf.Koanf
	Global      GlobalConfig
	Plugin      PluginConfig
	// contains filtered or unexported fields
}

func NewConfig added in v0.3.1 

func NewConfig(ctx context.Context, globalConfigFile, pluginConfigFile string) *Config

func (*Config) InitConfig added in v0.4.5 

func (c *Config) InitConfig(ctx context.Context)

func (*Config) LoadDefaults added in v0.3.1 

func (c *Config) LoadDefaults(ctx context.Context)

LoadDefaults loads the default configuration before loading the config files.

func (*Config) LoadGlobalConfigFile added in v0.3.1 

func (c *Config) LoadGlobalConfigFile(ctx context.Context)

LoadGlobalConfig loads the plugin configuration file.

func (*Config) LoadGlobalEnvVars added in v0.3.1 

func (c *Config) LoadGlobalEnvVars(ctx context.Context)

LoadGlobalEnvVars loads the environment variables into the global configuration with the given prefix, "GATEWAYD_".

func (*Config) LoadPluginConfigFile added in v0.3.1 

func (c *Config) LoadPluginConfigFile(ctx context.Context)

LoadPluginConfig loads the plugin configuration file.

func (*Config) LoadPluginEnvVars added in v0.3.1 

func (c *Config) LoadPluginEnvVars(ctx context.Context)

LoadPluginEnvVars loads the environment variables into the plugins configuration with the given prefix, "GATEWAYD_".

func (*Config) MergeGlobalConfig added in v0.3.1 

func (c *Config) MergeGlobalConfig(
	ctx context.Context, updatedGlobalConfig map[string]interface{},
)

func (*Config) UnmarshalGlobalConfig added in v0.3.1 

func (c *Config) UnmarshalGlobalConfig(ctx context.Context)

UnmarshalGlobalConfig unmarshals the global configuration for easier access.

func (*Config) UnmarshalPluginConfig added in v0.3.1 

func (c *Config) UnmarshalPluginConfig(ctx context.Context)

UnmarshalPluginConfig unmarshals the plugin configuration for easier access.

type GlobalConfig 

type GlobalConfig struct {
	API     API                `koanf:"api"`
	Loggers map[string]Logger  `koanf:"loggers"`
	Clients map[string]Client  `koanf:"clients"`
	Pools   map[string]Pool    `koanf:"pools"`
	Proxies map[string]Proxy   `koanf:"proxies"`
	Servers map[string]Server  `koanf:"servers"`
	Metrics map[string]Metrics `koanf:"metrics"`
}

type IConfig added in v0.3.1 

type IConfig interface {
	InitConfig(context.Context)
	LoadDefaults(context.Context)
	LoadPluginEnvVars(context.Context)
	LoadGlobalEnvVars(context.Context)
	LoadGlobalConfigFile(context.Context)
	LoadPluginConfigFile(context.Context)
	MergeGlobalConfig(context.Context, map[string]interface{})
}

type LogOutput 

type LogOutput uint
const (
	Console LogOutput = iota
	Stdout
	Stderr
	File
	Syslog
	RSyslog
)

LogOutput is the output type for the logger.

type Logger 

type Logger struct {
	Output            []string `koanf:"output"`
	TimeFormat        string   `koanf:"timeFormat"`
	Level             string   `koanf:"level"`
	ConsoleTimeFormat string   `koanf:"consoleTimeFormat"`
	NoColor           bool     `koanf:"noColor"`

	FileName   string `koanf:"fileName"`
	MaxSize    int    `koanf:"maxSize"`
	MaxBackups int    `koanf:"maxBackups"`
	MaxAge     int    `koanf:"maxAge"`
	Compress   bool   `koanf:"compress"`
	LocalTime  bool   `koanf:"localTime"`

	RSyslogNetwork string `koanf:"rSyslogNetwork"`
	RSyslogAddress string `koanf:"rSyslogAddress"`
	SyslogPriority string `koanf:"syslogPriority"`
}

func (Logger) GetConsoleTimeFormat added in v0.3.2 

func (l Logger) GetConsoleTimeFormat() string

GetConsoleTimeFormat returns the console logger's time format from config file.

func (Logger) GetLevel 

func (l Logger) GetLevel() zerolog.Level

GetLevel returns the logger level from config file.

func (Logger) GetOutput 

func (l Logger) GetOutput() []LogOutput

GetOutput returns the logger output from config file.

func (Logger) GetSyslogPriority added in v0.3.2 

func (l Logger) GetSyslogPriority() syslog.Priority

GetSyslogPriority returns the rsyslog facility from config file.

func (Logger) GetTimeFormat 

func (l Logger) GetTimeFormat() string

GetTimeFormat returns the logger time format from config file.

type Metrics added in v0.3.0 

type Metrics struct {
	Enabled bool   `koanf:"enabled"`
	Address string `koanf:"address"`
	Path    string `koanf:"path"`
}

type Plugin 

type Plugin struct {
	Name      string   `koanf:"name"`
	Enabled   bool     `koanf:"enabled"`
	LocalPath string   `koanf:"localPath"`
	Args      []string `koanf:"args"`
	Env       []string `koanf:"env"`
	Checksum  string   `koanf:"checksum"`
}

type PluginConfig 

type PluginConfig struct {
	VerificationPolicy  string        `koanf:"verificationPolicy"`
	CompatibilityPolicy string        `koanf:"compatibilityPolicy"`
	AcceptancePolicy    string        `koanf:"acceptancePolicy"`
	EnableMetricsMerger bool          `koanf:"enableMetricsMerger"`
	MetricsMergerPeriod time.Duration `koanf:"metricsMergerPeriod"`
	HealthCheckPeriod   time.Duration `koanf:"healthCheckPeriod"`
	Plugins             []Plugin      `koanf:"plugins"`
}

func (PluginConfig) GetAcceptancePolicy added in v0.2.4 

func (p PluginConfig) GetAcceptancePolicy() AcceptancePolicy

GetAcceptancePolicy returns the acceptance policy from plugin config file.

func (PluginConfig) GetPluginCompatibilityPolicy added in v0.2.4 

func (p PluginConfig) GetPluginCompatibilityPolicy() CompatibilityPolicy

GetPluginCompatibilityPolicy returns the plugin compatibility policy from plugin config file.

func (PluginConfig) GetVerificationPolicy 

func (p PluginConfig) GetVerificationPolicy() VerificationPolicy

GetVerificationPolicy returns the hook verification policy from plugin config file.

type Pool 

type Pool struct {
	Size int `koanf:"size"`
}

func (Pool) GetSize 

func (p Pool) GetSize() int

GetSize returns the pool size from config file.

type Proxy 

type Proxy struct {
	Elastic             bool          `koanf:"elastic"`
	ReuseElasticClients bool          `koanf:"reuseElasticClients"`
	HealthCheckPeriod   time.Duration `koanf:"healthCheckPeriod"`
}

type Server 

type Server struct {
	EnableTicker     bool          `koanf:"enableTicker"`
	MultiCore        bool          `koanf:"multiCore"`
	LockOSThread     bool          `koanf:"lockOSThread"`
	ReuseAddress     bool          `koanf:"reuseAddress"`
	ReusePort        bool          `koanf:"reusePort"`
	TCPNoDelay       bool          `koanf:"tcpNoDelay"`
	ReadBufferCap    int           `koanf:"readBufferCap"`
	WriteBufferCap   int           `koanf:"writeBufferCap"`
	SocketRecvBuffer int           `koanf:"socketRecvBuffer"`
	SocketSendBuffer int           `koanf:"socketSendBuffer"`
	SoftLimit        uint64        `koanf:"softLimit"`
	HardLimit        uint64        `koanf:"hardLimit"`
	TCPKeepAlive     time.Duration `koanf:"tcpKeepAlive"`
	TickInterval     time.Duration `koanf:"tickInterval"`
	Network          string        `koanf:"network"`
	Address          string        `koanf:"address"`
	LoadBalancer     string        `koanf:"loadBalancer"`
}

func (Server) GetLoadBalancer 

func (s Server) GetLoadBalancer() gnet.LoadBalancing

GetLoadBalancer returns the load balancing algorithm to use.

func (Server) GetTCPNoDelay 

func (s Server) GetTCPNoDelay() gnet.TCPSocketOpt

GetTCPNoDelay returns the TCP no delay option from config file.

type Status 

type Status uint
const (
	Running Status = iota
	Stopped
)

Status is the status of the server.

type VerificationPolicy added in v0.2.4 

type VerificationPolicy uint
const (
	// Non-strict (permissive) mode.
	PassDown VerificationPolicy = iota // Pass down the extra keys/values in result to the next plugins
	// Strict mode.
	Ignore // Ignore errors and continue
	Abort  // Abort on first error and return results
	Remove // Remove the hook from the list on error and continue
)

Policy is the policy for hook verification.

Source Files

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