monitor

Documentation

Index

• func Fetch(resource config.Resource) int
• func Monitor(resources []config.Resource) <-chan *StateChangeMessage
• type StateChangeMessage
  • func ErrorMessage(resource config.Resource, codes []int) *StateChangeMessage
  • func RecoveryMessage(resource config.Resource, codes []int) *StateChangeMessage
  • func (m *StateChangeMessage) MailBody() string
  • func (m *StateChangeMessage) MailSubject() string
  • func (m *StateChangeMessage) String() string

Functions

func Fetch

func Fetch(resource config.Resource) int

Fetch fetches the configured resource and gives back the HTTP response code

func Monitor

func Monitor(resources []config.Resource) <-chan *StateChangeMessage

Monitor takes a resource and polls the given HTTP url for errors , and emits failure / recovery messages accordingly

Types

type StateChangeMessage

type StateChangeMessage struct {
	Resource config.Resource
	IsOk     bool
	Codes    []int
	Datetime time.Time
}

StateChangeMessage represents either a failure or a recovery

func ErrorMessage

func ErrorMessage(resource config.Resource, codes []int) *StateChangeMessage

ErrorMessage initializes a message with Time.Now() as the creation date and IsOk = false

func RecoveryMessage

func RecoveryMessage(resource config.Resource, codes []int) *StateChangeMessage

NewMessage initializes a message with Time.Now() as the creation date and IsOk = true

func (*StateChangeMessage) MailBody

func (m *StateChangeMessage) MailBody() string

func (*StateChangeMessage) MailSubject

func (m *StateChangeMessage) MailSubject() string

func (*StateChangeMessage) String

func (m *StateChangeMessage) String() string