supervisor

package
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Published: Nov 26, 2018 License: MIT Imports: 10 Imported by: 0

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Types

type Config added in v0.34.0

type Config struct {
	// GITALY_SUPERVISOR_CRASH_THRESHOLD
	CrashThreshold int `split_words:"true" default:"5"`
	// GITALY_SUPERVISOR_CRASH_WAIT_TIME
	CrashWaitTime time.Duration `split_words:"true" default:"1m"`
	// GITALY_SUPERVISOR_CRASH_RESET_TIME
	CrashResetTime time.Duration `split_words:"true" default:"1m"`
}

Config holds configuration for the circuit breaker of the respawn loop.

type Event added in v0.59.0

type Event struct {
	Type  EventType
	Pid   int
	Error error
}

Event is used to notify a listener of process state changes.

type EventType added in v0.59.0

type EventType int

EventType is used to label Event instances.

const (
	// Up is a notification that the process with the accompanying PID is up.
	Up EventType = iota
	// MemoryHigh is a notification that process memory for the current PID
	// exceeds the threshold.
	MemoryHigh
	// MemoryLow indicates the process memory is at or below the threshold.
	MemoryLow
	// HealthOK indicates the that the health check function returned a 'nil' error
	HealthOK
	// HealthBad indicates the that the health check function returned an error
	HealthBad
)

type Process

type Process struct {
	Name string
	// contains filtered or unexported fields
}

Process represents a running process.

func New

func New(name string, env []string, args []string, dir string, memoryThreshold int, events chan<- Event, healthCheck func() error) (*Process, error)

New creates a new proces instance.

func (*Process) Stop

func (p *Process) Stop()

Stop terminates the process.

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