lidar

package

v6.4.2 Latest Latest Go to latest Published: Aug 17, 2020 License: Apache-2.0 Imports: 16 Imported by: 0

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Repository

github.com/chenbh/concourse

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Open Source Insights

Documentation ¶

Index ¶

func NewChecker(logger lager.Logger, checkFactory db.CheckFactory, engine engine.Engine, ...) *checker
func NewScanner(logger lager.Logger, checkFactory db.CheckFactory, secrets creds.Secrets, ...) *scanner
type CheckRateCalculator
- func (c CheckRateCalculator) RateLimiter() (Limiter, error)
type CheckableCounter
type Limiter
type RateCalculator

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func NewChecker ¶

func NewChecker(
	logger lager.Logger,
	checkFactory db.CheckFactory,
	engine engine.Engine,
	checkRateCalculator RateCalculator,
) *checker

func NewScanner ¶

func NewScanner(
	logger lager.Logger,
	checkFactory db.CheckFactory,
	secrets creds.Secrets,
	defaultCheckTimeout time.Duration,
	defaultCheckInterval time.Duration,
	defaultWithWebhookCheckInterval time.Duration,
) *scanner

Types ¶

type CheckRateCalculator ¶

type CheckRateCalculator struct {
	MaxChecksPerSecond       int
	ResourceCheckingInterval time.Duration

	CheckableCounter CheckableCounter
}

func (CheckRateCalculator) RateLimiter ¶

func (c CheckRateCalculator) RateLimiter() (Limiter, error)

RateLimiter determines the rate at which the checks should be limited to per second.

It is dependent on the max checks per second configuration, where if it is configured to -1 then it there is no limit, if it is > 0 then it is set to its configured value and if it is 0 (which is default) then it is calculated using the number of checkables and the resource checking interval.

The calculated limit is determined by finding the ideal number of checks to run per second in order to check all the checkables in the database within the resource checking interval. By enforcing that ideal rate of checks, it will help spread out the number of checks that are started within the same interval.

type CheckableCounter ¶

type CheckableCounter interface {
	CheckableCount() (int, error)
}

type Limiter ¶

type Limiter interface {
	Wait(context.Context) error
}

type RateCalculator ¶

type RateCalculator interface {
	RateLimiter() (Limiter, error)
}

Source Files ¶

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Directories ¶

Path	Synopsis
lidarfakes Code generated by counterfeiter.	Code generated by counterfeiter.

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