definitions

Documentation

Index

• Constants
• func ExitCodeIsRecoverable(pType ProcessType, code int) bool
• func GetExitCodeReason(code int) string
• type ProcessType
  • func (s ProcessType) CommandFileName() string
  • func (s ProcessType) LogFileName(suffix string) string
  • func (s ProcessType) String() string
• type ServerType
  • func AllServerTypes() []ServerType
  • func (s ServerType) ExpectedServerRole() (string, string)
  • func (s ServerType) GetName() string
  • func (s ServerType) InitialStopTimeout() time.Duration
  • func (s ServerType) PortOffset() int
  • func (s ServerType) ProcessType() ProcessType
  • func (s ServerType) String() string

Constants

const (
	PortOffsetUnknown      = 0 // Coordinator/single server
	PortOffsetCoordinator  = 1 // Coordinator/single server
	PortOffsetDBServer     = 2
	PortOffsetAgent        = 3
	PortOffsetIncrementOld = 5  // {our http server, agent, coordinator, dbserver, reserved}
	PortOffsetIncrementNew = 10 // {our http server, agent, coordinator, dbserver, syncmaster, syncworker, reserved...}
)

const (
	ArangodConfFileName        = "arangod.conf"
	ArangodJWTSecretFileName   = "arangod.jwtsecret"
	ArangodJWTSecretFolderName = "jwt"
	ArangodJWTSecretActive     = "-"
)

const (
	// EXIT_SUCCESS
	ArangoDExitSuccess = 0 // No error has occurred.
	// EXIT_FAILED
	ArangoDExitFailed = 1 // Will be returned when a general error occurred.
	// EXIT_CODE_RESOLVING_FAILED
	ArangoDExitCodeResolvingFailed = 2 // unspecified exit code
	// EXIT_INVALID_OPTION_NAME
	ArangoDExitInvalidOptionName = 3 // invalid/unknown startup option name was used
	// EXIT_INVALID_OPTION_VALUE
	ArangoDExitInvalidOptionValue = 4 // invalid startup option value was used
	// EXIT_BINARY_NOT_FOUND
	ArangoDExitBinaryNotFound = 5 // Will be returned if a referenced binary was not found
	// EXIT_CONFIG_NOT_FOUND
	ArangoDExitConfigNotFound = 6 // Will be returned if no valid configuration was found or its contents are structurally invalid
	// EXIT_UPGRADE_FAILED
	ArangoDExitUpgradeFailed = 10 // Will be returned when the database upgrade failed
	// EXIT_UPGRADE_REQUIRED
	ArangoDExitUpgradeRequired = 11 // Will be returned when a database upgrade is required
	// EXIT_DOWNGRADE_REQUIRED
	ArangoDExitDowngradeRequired = 12 // Will be returned when a database upgrade is required
	// EXIT_VERSION_CHECK_FAILED
	ArangoDExitVersionCheckFailed = 13 // Will be returned when there is a version mismatch
	// EXIT_ALREADY_RUNNING
	ArangoDExitAlreadyRunning = 20 // Will be returned when arangod is already running according to PID-file
	// EXIT_COULD_NOT_BIND_PORT
	ArangoDExitCouldNotBindPort = 21 // Will be returned when the configured tcp endpoint is already occupied by another process
	// EXIT_COULD_NOT_LOCK
	ArangoDExitCouldNotLock = 22 // Will be returned if another ArangoDB process is running, or the state can not be cleared
	// EXIT_RECOVERY
	ArangoDExitRecovery = 23 // Will be returned if the automatic database startup recovery fails
	// EXIT_DB_NOT_EMPTY
	ArangoDExitDbNotEmpty = 24 // Will be returned when commanding to initialize a non empty directory as database
	// EXIT_UNSUPPORTED_STORAGE_ENGINE
	ArangoDExitUnsupportedStorageEngine = 25 // Will be returned when trying to start with an unsupported storage engine
	// EXIT_ICU_INITIALIZATION_FAILED
	ArangoDExitIcuInitializationFailed = 26 // Will be returned if icudtl.dat is not found, of the wrong version or invalid. Check for an incorrectly set ICU_DATA environment variable
	// EXIT_TZDATA_INITIALIZATION_FAILED
	ArangoDExitTzdataInitializationFailed = 27 // Will be returned if tzdata is not found
	// EXIT_RESOURCES_TOO_LOW
	ArangoDExitResourcesTooLow = 28 // Will be returned if i.e. ulimit is too restrictive
	// EXIT_SST_FILE_CHECK
	ArangoDExitSstFileCheck = 29 // Will be returned when either sst file open or sst file check was unsuccessful i.e. sst file is not valid
)

const (
	ServerTypeUnknown          = "unknown"
	ServerTypeCoordinator      = "coordinator"
	ServerTypeDBServer         = "dbserver"
	ServerTypeDBServerNoResign = "dbserver_noresign"
	ServerTypeAgent            = "agent"
	ServerTypeSingle           = "single"
)

const (
	MaxRecentFailures = 100 // Maximum number of recent failures before the starter gives up.
)

Functions

func ExitCodeIsRecoverable

func ExitCodeIsRecoverable(pType ProcessType, code int) bool

ExitCodeIsRecoverable returns true if provided code indicates that restarting ArangoD process with exact same config won't help

func GetExitCodeReason

func GetExitCodeReason(code int) string

Types

type ProcessType

type ProcessType string

ProcessType specifies the types of process (the starter can work with).

const (
	ProcessTypeArangod ProcessType = "arangod"
)

func (ProcessType) CommandFileName

func (s ProcessType) CommandFileName() string

CommandFileName returns the name of a file containing the full command for processes of this type.

func (ProcessType) LogFileName

func (s ProcessType) LogFileName(suffix string) string

LogFileName returns the name of the log file used by this process

func (ProcessType) String

func (s ProcessType) String() string

String returns a string representation of the given ProcessType.

type ServerType

type ServerType string

ServerType specifies the types of database servers.

func AllServerTypes

func AllServerTypes() []ServerType

func (ServerType) ExpectedServerRole

func (s ServerType) ExpectedServerRole() (string, string)

ExpectedServerRole returns the expected `role` & `mode` value resulting from a request to `_admin/server/role`.

func (ServerType) GetName

func (s ServerType) GetName() string

GetName returns readable name for the specific type of server.

func (ServerType) InitialStopTimeout

func (s ServerType) InitialStopTimeout() time.Duration

InitialStopTimeout returns initial delay for process stopping

func (ServerType) PortOffset

func (s ServerType) PortOffset() int

PortOffset returns the offset from a peer base port for the given type of server.

func (ServerType) ProcessType

func (s ServerType) ProcessType() ProcessType

ProcessType returns the type of process needed to run a server of given type.

func (ServerType) String

func (s ServerType) String() string

String returns a string representation of the given ServerType.