monitor

Documentation

Index

• Constants
• Variables
• func RunAllMonitoring(settings *evergreen.Settings) error
• type HostMonitor
  • func (hm *HostMonitor) CleanupHosts(distros []distro.Distro, settings *evergreen.Settings) []error
  • func (hm *HostMonitor) RunMonitoringChecks(settings *evergreen.Settings) []error
• type Notifier
  • func (self *Notifier) Notify(settings *evergreen.Settings) []error
• type Runner
  • func (r *Runner) Description() string
  • func (r *Runner) Name() string
  • func (r *Runner) Run(config *evergreen.Settings) error
• type TaskMonitor
  • func (tm *TaskMonitor) CleanupTasks(projects map[string]model.Project) []error

Constants

const (
	// ProvisioningCutoff is the threshold to consider as too long for a host to take provisioning
	ProvisioningCutoff = 35 * time.Minute

	// UnreachableCutoff is the threshold to wait for an unreachable host to become marked
	// as reachable again before giving up and terminating it.
	UnreachableCutoff = 10 * time.Minute

	// IdleTimeCutoff is the amount of time we wait for an idle host to be marked as idle.
	IdleTimeCutoff = 15 * time.Minute

	// MaxTimeNextPayment is the amount of time we wait to have left before marking a host as idle
	MaxTimeTilNextPayment = 5 * time.Minute

	// CommunicationTimeCutoff is the limit to how much time has passed before the host is marked as idle
	// due to the agent not being able to communicate with the API server.
	CommunicationTimeCutoff = 10 * time.Minute
)

const (
	// how long to wait in between reachability checks
	ReachabilityCheckInterval = 10 * time.Minute
	NumReachabilityWorkers    = 100
)

const (
	RunnerName  = "monitor"
	Description = "track and clean up expired hosts and tasks"
)

const (
	// reasons for cleaning up a task
	HeartbeatTimeout = "task heartbeat timed out"
)

Variables

var (
	// threshold for a task's heartbeat to time out
	HeartbeatTimeoutThreshold = 7 * time.Minute
)

Functions

func RunAllMonitoring

func RunAllMonitoring(settings *evergreen.Settings) error

run all monitoring functions

Types

type HostMonitor

type HostMonitor struct {
	// contains filtered or unexported fields
}

responsible for running regular monitoring of hosts

func (*HostMonitor) CleanupHosts

func (hm *HostMonitor) CleanupHosts(distros []distro.Distro, settings *evergreen.Settings) []error

run through the list of host flagging functions, finding all hosts that need to be terminated and terminating them

func (*HostMonitor) RunMonitoringChecks

func (hm *HostMonitor) RunMonitoringChecks(settings *evergreen.Settings) []error

run through the list of host monitoring functions. returns any errors that occur while running the monitoring functions

type Notifier

type Notifier struct {
	// contains filtered or unexported fields
}

func (*Notifier) Notify

func (self *Notifier) Notify(settings *evergreen.Settings) []error

create and send any notifications that need to be sent

type Runner

type Runner struct{}

func (*Runner) Description

func (r *Runner) Description() string

func (*Runner) Name

func (r *Runner) Name() string

func (*Runner) Run

func (r *Runner) Run(config *evergreen.Settings) error

type TaskMonitor

type TaskMonitor struct {
	// contains filtered or unexported fields
}

responsible for cleaning up any tasks that need to be stopped

func (*TaskMonitor) CleanupTasks

func (tm *TaskMonitor) CleanupTasks(projects map[string]model.Project) []error

run through the list of task flagging functions, finding all tasks that need to be cleaned up and taking appropriate action. takes in a map of project name -> project info