Help us shape the future of Go! Take the 2026 Go Developer Survey

config

package
v0.5.6 Latest Latest
Warning

This package is not in the latest version of its module.

Go to latest
Published: Apr 1, 2017 License: MPL-2.0 Imports: 10 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	// DefaultEnvBlacklist is the default set of environment variables that are
	// filtered when passing the environment variables of the host to a task.
	DefaultEnvBlacklist = strings.Join([]string{
		"CONSUL_TOKEN",
		"VAULT_TOKEN",
		"ATLAS_TOKEN",
		"AWS_ACCESS_KEY_ID", "AWS_SECRET_ACCESS_KEY", "AWS_SESSION_TOKEN",
		"GOOGLE_APPLICATION_CREDENTIALS",
	}, ",")

	// DefaulUserBlacklist is the default set of users that tasks are not
	// allowed to run as when using a driver in "user.checked_drivers"
	DefaultUserBlacklist = strings.Join([]string{
		"root",
		"Administrator",
	}, ",")

	// DefaultUserCheckedDrivers is the set of drivers we apply the user
	// blacklist onto. For virtualized drivers it often doesn't make sense to
	// make this stipulation so by default they are ignored.
	DefaultUserCheckedDrivers = strings.Join([]string{
		"exec",
		"qemu",
		"java",
	}, ",")

	// A mapping of directories on the host OS to attempt to embed inside each
	// task's chroot.
	DefaultChrootEnv = map[string]string{
		"/bin":            "/bin",
		"/etc":            "/etc",
		"/lib":            "/lib",
		"/lib32":          "/lib32",
		"/lib64":          "/lib64",
		"/run/resolvconf": "/run/resolvconf",
		"/sbin":           "/sbin",
		"/usr":            "/usr",
	}
)

Functions

This section is empty.

Types

type Config

type Config struct {
	// DevMode controls if we are in a development mode which
	// avoids persistent storage.
	DevMode bool

	// StateDir is where we store our state
	StateDir string

	// AllocDir is where we store data for allocations
	AllocDir string

	// LogOutput is the destination for logs
	LogOutput io.Writer

	// Region is the clients region
	Region string

	// Network interface to be used in network fingerprinting
	NetworkInterface string

	// Network speed is the default speed of network interfaces if they can not
	// be determined dynamically.
	NetworkSpeed int

	// CpuCompute is the default total CPU compute if they can not be determined
	// dynamically. It should be given as Cores * MHz (2 Cores * 2 Ghz = 4000)
	CpuCompute int

	// MaxKillTimeout allows capping the user-specifiable KillTimeout. If the
	// task's KillTimeout is greater than the MaxKillTimeout, MaxKillTimeout is
	// used.
	MaxKillTimeout time.Duration

	// Servers is a list of known server addresses. These are as "host:port"
	Servers []string

	// RPCHandler can be provided to avoid network traffic if the
	// server is running locally.
	RPCHandler RPCHandler

	// Node provides the base node
	Node *structs.Node

	// ClientMaxPort is the upper range of the ports that the client uses for
	// communicating with plugin subsystems over loopback
	ClientMaxPort uint

	// ClientMinPort is the lower range of the ports that the client uses for
	// communicating with plugin subsystems over loopback
	ClientMinPort uint

	// GloballyReservedPorts are ports that are reserved across all network
	// devices and IPs.
	GloballyReservedPorts []int

	// A mapping of directories on the host OS to attempt to embed inside each
	// task's chroot.
	ChrootEnv map[string]string

	// Options provides arbitrary key-value configuration for nomad internals,
	// like fingerprinters and drivers. The format is:
	//
	//	namespace.option = value
	Options map[string]string

	// Version is the version of the Nomad client
	Version string

	// Revision is the commit number of the Nomad client
	Revision string

	// ConsulConfig is this Agent's Consul configuration
	ConsulConfig *config.ConsulConfig

	// VaultConfig is this Agent's Vault configuration
	VaultConfig *config.VaultConfig

	// StatsCollectionInterval is the interval at which the Nomad client
	// collects resource usage stats
	StatsCollectionInterval time.Duration

	// PublishNodeMetrics determines whether nomad is going to publish node
	// level metrics to remote Telemetry sinks
	PublishNodeMetrics bool

	// PublishAllocationMetrics determines whether nomad is going to publish
	// allocation metrics to remote Telemetry sinks
	PublishAllocationMetrics bool

	// TLSConfig holds various TLS related configurations
	TLSConfig *config.TLSConfig

	// GCInterval is the time interval at which the client triggers garbage
	// collection
	GCInterval time.Duration

	// GCParallelDestroys is the number of parallel destroys the garbage
	// collector will allow.
	GCParallelDestroys int

	// GCDiskUsageThreshold is the disk usage threshold given as a percent
	// beyond which the Nomad client triggers GC of terminal allocations
	GCDiskUsageThreshold float64

	// GCInodeUsageThreshold is the inode usage threshold given as a percent
	// beyond which the Nomad client triggers GC of the terminal allocations
	GCInodeUsageThreshold float64

	// LogLevel is the level of the logs to putout
	LogLevel string

	// NoHostUUID disables using the host's UUID and will force generation of a
	// random UUID.
	NoHostUUID bool
}

Config is used to parameterize and configure the behavior of the client

func DefaultConfig added in v0.4.0

func DefaultConfig() *Config

DefaultConfig returns the default configuration

func (*Config) Copy added in v0.3.0

func (c *Config) Copy() *Config

func (*Config) Read

func (c *Config) Read(id string) string

Read returns the specified configuration value or "".

func (*Config) ReadBool added in v0.2.0

func (c *Config) ReadBool(id string) (bool, error)

ReadBool parses the specified option as a boolean.

func (*Config) ReadBoolDefault added in v0.2.0

func (c *Config) ReadBoolDefault(id string, defaultValue bool) bool

ReadBoolDefault tries to parse the specified option as a boolean. If there is an error in parsing, the default option is returned.

func (*Config) ReadDefault

func (c *Config) ReadDefault(id string, defaultValue string) string

ReadDefault returns the specified configuration value, or the specified default value if none is set.

func (*Config) ReadDuration added in v0.5.5

func (c *Config) ReadDuration(id string) (time.Duration, error)

ReadDuration parses the specified option as a duration.

func (*Config) ReadDurationDefault added in v0.5.5

func (c *Config) ReadDurationDefault(id string, defaultValue time.Duration) time.Duration

ReadDurationDefault tries to parse the specified option as a duration. If there is an error in parsing, the default option is returned.

func (*Config) ReadInt added in v0.5.5

func (c *Config) ReadInt(id string) (int, error)

ReadInt parses the specified option as a int.

func (*Config) ReadIntDefault added in v0.5.5

func (c *Config) ReadIntDefault(id string, defaultValue int) int

ReadIntDefault tries to parse the specified option as a int. If there is an error in parsing, the default option is returned.

func (*Config) ReadStringListToMap added in v0.2.1

func (c *Config) ReadStringListToMap(key string) map[string]struct{}

ReadStringListToMap tries to parse the specified option as a comma separated list. If there is an error in parsing, an empty list is returned.

func (*Config) ReadStringListToMapDefault added in v0.3.2

func (c *Config) ReadStringListToMapDefault(key, defaultValue string) map[string]struct{}

ReadStringListToMap tries to parse the specified option as a comma separated list. If there is an error in parsing, an empty list is returned.

func (*Config) TLSConfiguration added in v0.5.0

func (c *Config) TLSConfiguration() *tlsutil.Config

TLSConfig returns a TLSUtil Config based on the client configuration

type RPCHandler

type RPCHandler interface {
	RPC(method string, args interface{}, reply interface{}) error
}

RPCHandler can be provided to the Client if there is a local server to avoid going over the network. If not provided, the Client will maintain a connection pool to the servers

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL