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health

package

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Versions in this module

v1

v1.3.2

Sep 5, 2019

v1.3.1

Sep 4, 2019

v1.3.0

Jul 16, 2019

v1.2.0

Jul 15, 2019

v1.1.0

Jun 5, 2019

v1.0.1

May 9, 2019

v1.0.0

Apr 11, 2019

Changes in this version

+ const DefaultMemoryReaderLocation

+ var ErrorInvalidOption = errors.New("Invalid stat option")

+ type Dispatcher interface

+ SendEvent func(HealthFunc)

+ type Health struct

+ func New(interval time.Duration, logger log.Logger, options ...Option) *Health

+ func (h *Health) AddStatsListener(listener StatsListener)

+ func (h *Health) RequestTracker(delegate http.Handler) http.Handler

+ func (h *Health) Run(waitGroup *sync.WaitGroup, shutdown <-chan struct{}) error

+ func (h *Health) SendEvent(healthFunc HealthFunc)

+ func (h *Health) ServeHTTP(response http.ResponseWriter, request *http.Request)

+ type HealthFunc func(Stats)

+ func Ensure(stat Stat) HealthFunc

+ func Inc(stat Stat, value int) HealthFunc

+ func Set(stat Stat, value int) HealthFunc

+ func (f HealthFunc) Set(stats Stats)

+ type MemInfoReader struct

+ Location string

+ func (reader *MemInfoReader) Read() (memInfo *linux.MemInfo, err error)

+ type Monitor interface

+ ServeHTTP func(http.ResponseWriter, *http.Request)

+ type Option interface

+ Set func(Stats)

+ type ResponseWriter struct

+ func Wrap(delegate http.ResponseWriter) *ResponseWriter

+ func (r *ResponseWriter) CloseNotify() <-chan bool

+ func (r *ResponseWriter) Flush()

+ func (r *ResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error)

+ func (r *ResponseWriter) Push(target string, opts *http.PushOptions) error

+ func (r *ResponseWriter) StatusCode() int

+ func (r *ResponseWriter) WriteHeader(statusCode int)

+ type Stat string

+ const CurrentMemoryUtilizationActive

+ const CurrentMemoryUtilizationAlloc

+ const CurrentMemoryUtilizationHeapSys

+ const MaxMemoryUtilizationActive

+ const MaxMemoryUtilizationAlloc

+ const MaxMemoryUtilizationHeapSys

+ const TotalRequestsDenied

+ const TotalRequestsReceived

+ const TotalRequestsSuccessfullyServiced

+ func (s Stat) Set(stats Stats)

+ type Stats map[Stat]int

+ func NewStats(options []Option) (s Stats)

+ func (s Stats) Apply(options []Option)

+ func (s Stats) Clone() Stats

+ func (s Stats) Set(stats Stats)

+ func (s Stats) UpdateMemInfo(memInfo *linux.MemInfo)

+ func (s Stats) UpdateMemStats(memStats *runtime.MemStats)

+ func (s Stats) UpdateMemory(memInfoReader *MemInfoReader)

+ type StatsListener interface

+ OnStats func(Stats)

+ type StatsListenerFunc func(Stats)

+ func (f StatsListenerFunc) OnStats(stats Stats)

v0

v0.9.0-alpha

Feb 1, 2017