utils

package
v1.2.158 Latest Latest
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 Go to latest Published: Jul 7, 2025 License: MIT Imports: 22 Imported by: 3

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CalculateInterval added in v1.2.143 

func CalculateInterval(from, to Timestamp) (rFrom, rTo Timestamp, interval time.Duration)

CalculateInterval returns the preferred time interval based on the time period

func CreateTimeSeries added in v1.2.143 

func CreateTimeSeries[T any](name string, from, to Timestamp, interval time.Duration, initValue T) (series Entity)

CreateTimeSeries creates a blank time series for the provided time period based on the time interval

func DockerUtils added in v1.1.5 

func DockerUtils() (du *dockerUtils)

DockerUtils is a simple utility to execute docker commands using shell This utility does not us the docker client library (due to compatability issues) but instead utilizes the shell command executor (from os/exec package). The pre-requisite

func HashUtils 

func HashUtils() *hashUtils

HashUtils is a factory method that acts as a static member

func HistogramTimeSeries added in v1.2.143 

func HistogramTimeSeries(name string, from, to Timestamp, interval time.Duration, hist map[Timestamp]Tuple[int64, float64]) (series Entity)

HistogramTimeSeries converts histogram to a sorted and consecutive time series

func JsonUtils 

func JsonUtils() *jsonUtils

JsonUtils factory method

func PrintBanner added in v1.2.89 

func PrintBanner(banner string)

PrintBanner displays the application's banner and lists all configuration variables along with their values in alphabetical order. This function is designed to provide a clear overview of the application's current configuration state at startup or when needed, facilitating easier debugging and configuration verification. It ensures that the configuration variables are presented in a sorted manner for quick reference and readability.

func RecoverAll 

func RecoverAll(cb func(v any))

RecoverAll performs recover for all panics.

Sample usage: 

defer RecoverAll(func(err any) {
	fmt.Printf("got error: %s", err)
})

func RecoverAny 

func RecoverAny(errors []error, cb func(v any))

RecoverAny calls the callback function: cb with recovered value in case when recovered value exists in slice errors.

Sample usage: 

		defer recover.Any([]error{ErrorUsernameBlank, ErrorUsernameAlreadyTaken}, func(err any) {
 		fmt.Printf("got error: %s", err)
		})

func RecoverOne 

func RecoverOne(e error, cb func(v any))

RecoverOne calls the callback function: cb with recovered value in case when recovered value equals to e otherwise panic won't be recovered and will be propagated.

Sample usage: 

defer recover.One(ErrorUsernameBlank, func(err any) {
	fmt.Printf("got error: %s", err)
})

func SetSecret added in v1.2.103 

func SetSecret(secret, vector []byte) error

SetSecret set the secret key and initializing vector to encode/decode API keys

func StringUtils added in v1.2.74 

func StringUtils() *stringUtils

StringUtils factory method

Types

type DockerContainer added in v1.1.5 

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

DockerContainer is used to construct docker container spec for the docker engine.

func (*DockerContainer) AutoRemove added in v1.1.5 

func (c *DockerContainer) AutoRemove(value bool) *DockerContainer

AutoRemove determines whether to automatically remove the container when it has stopped

func (*DockerContainer) EntryPoint added in v1.1.5 

func (c *DockerContainer) EntryPoint(args ...string) *DockerContainer

EntryPoint sets the entrypoint arguments of the container.

func (*DockerContainer) Exists added in v1.1.5 

func (c *DockerContainer) Exists() bool

Exists return true if the container exists

func (*DockerContainer) IsRunning added in v1.1.7 

func (c *DockerContainer) IsRunning() bool

IsRunning return true if the container exists and running

func (*DockerContainer) Label added in v1.1.5 

func (c *DockerContainer) Label(label, value string) *DockerContainer

Label adds custom label

func (*DockerContainer) Labels added in v1.1.5 

func (c *DockerContainer) Labels(label map[string]string) *DockerContainer

Labels adds multiple labels

func (*DockerContainer) Name added in v1.1.5 

func (c *DockerContainer) Name(value string) *DockerContainer

Name sets the container name.

func (*DockerContainer) Port added in v1.1.5 

func (c *DockerContainer) Port(external, internal string) *DockerContainer

Port adds a port mapping

func (*DockerContainer) Ports added in v1.1.5 

func (c *DockerContainer) Ports(ports map[string]string) *DockerContainer

Ports adds multiple port mappings

func (*DockerContainer) Run added in v1.1.5 

func (c *DockerContainer) Run() error

Run builds and run command

func (*DockerContainer) Stop added in v1.1.5 

func (c *DockerContainer) Stop() error

Stop and kill container

func (*DockerContainer) Var added in v1.1.5 

func (c *DockerContainer) Var(key, value string) *DockerContainer

Var adds an environment variable

func (*DockerContainer) Vars added in v1.1.5 

func (c *DockerContainer) Vars(vars map[string]string) *DockerContainer

Vars adds multiple environment variables

type HttpUtilsStruct added in v1.2.106 

type HttpUtilsStruct struct {
	TimeoutSec int
	// contains filtered or unexported fields
}

func HttpUtils added in v1.2.106 

func HttpUtils() *HttpUtilsStruct

HttpUtils is a factory method that acts as a static member

func (*HttpUtilsStruct) New added in v1.2.106 

func (u *HttpUtilsStruct) New(method, url string) *HttpUtilsStruct

func (*HttpUtilsStruct) Send added in v1.2.106 

func (u *HttpUtilsStruct) Send() (*http.Response, error)

func (*HttpUtilsStruct) WithBody added in v1.2.106 

func (u *HttpUtilsStruct) WithBody(body string) *HttpUtilsStruct

func (*HttpUtilsStruct) WithHeader added in v1.2.106 

func (u *HttpUtilsStruct) WithHeader(key, value string) *HttpUtilsStruct

func (*HttpUtilsStruct) WithHeaders added in v1.2.106 

func (u *HttpUtilsStruct) WithHeaders(headers map[string]string) *HttpUtilsStruct

func (*HttpUtilsStruct) WithTimeout added in v1.2.106 

func (u *HttpUtilsStruct) WithTimeout(timeout int) *HttpUtilsStruct

type TimeUtilsStruct added in v1.2.143 

type TimeUtilsStruct struct {
	SECOND uint64
	MINUTE uint64
	HOUR   uint64
	DAY    uint64
	// contains filtered or unexported fields
}

TimeUtilsStruct internal helper

func TimeUtils added in v1.2.26 

func TimeUtils(ts Timestamp) *TimeUtilsStruct

TimeUtils is a factory method

func (*TimeUtilsStruct) ConvertISO8601Format added in v1.2.143 

func (t *TimeUtilsStruct) ConvertISO8601Format(format string) string

ConvertISO8601Format converts ISO6801 datetime format to Go RFC3339 format (used by Go)

func (*TimeUtilsStruct) DayRange added in v1.2.143 

func (t *TimeUtilsStruct) DayRange() TimeFrame

DayRange create the boundaries of a day (start to end)

func (*TimeUtilsStruct) Format added in v1.2.143 

func (t *TimeUtilsStruct) Format(format string) string

Format converts Epoch milliseconds timestamp to readable string, if format is empty, the default layout (RFC3339) is used

func (*TimeUtilsStruct) Get added in v1.2.143 

func (t *TimeUtilsStruct) Get() Timestamp

Get returns the current timestamp

func (*TimeUtilsStruct) GetSeries added in v1.2.143 

func (t *TimeUtilsStruct) GetSeries(end Timestamp, interval time.Duration) (series []Timestamp)

GetSeries creates a time series from the base time to the end time with the given interval

func (*TimeUtilsStruct) GetSeriesMap added in v1.2.143 

func (t *TimeUtilsStruct) GetSeriesMap(end Timestamp, interval time.Duration) map[Timestamp]int

GetSeriesMap creates a time series from the base time to the end time with the given interval as a map

func (*TimeUtilsStruct) GetTimeFrames added in v1.2.143 

func (t *TimeUtilsStruct) GetTimeFrames(end Timestamp, interval time.Duration) (series []TimeFrame)

GetTimeFrames creates time frames from the base time to the end time with the given interval with delay between slots

func (*TimeUtilsStruct) GetTimeFramesMap added in v1.2.143 

func (t *TimeUtilsStruct) GetTimeFramesMap(end Timestamp, interval time.Duration) map[Timestamp]TimeFrame

GetTimeFramesMap creates time frames from the base time to the end time with the given interval as a map

func (*TimeUtilsStruct) LowerBound added in v1.2.143 

func (t *TimeUtilsStruct) LowerBound(duration time.Duration) *TimeUtilsStruct

LowerBound return the floor value of the timestamp to the lowest time duration Supported duration values: * time.Minute - get the lower bound by minute * time.Hour - get the lower bound by hour * time.Hour * 24 - get the lower bound by day

func (*TimeUtilsStruct) MonthRange added in v1.2.143 

func (t *TimeUtilsStruct) MonthRange() TimeFrame

MonthRange gets the local timestamp boundaries of a month

func (*TimeUtilsStruct) SetInterval added in v1.2.143 

func (t *TimeUtilsStruct) SetInterval(someFunc func(), milliseconds int, async bool) chan bool

SetInterval create periodic time triggered function call

func (*TimeUtilsStruct) UpperBound added in v1.2.143 

func (t *TimeUtilsStruct) UpperBound(duration time.Duration) *TimeUtilsStruct

UpperBound return the ceiling value of the timestamp to the next time duration Supported duration values: * time.Minute - get the upper bound by minute * time.Hour - get the upper bound by hour * time.Hour * 24 - get the upper bound by day

type TokenUtilsStruct added in v1.2.103 

type TokenUtilsStruct struct {
}

func TokenUtils added in v1.1.2 

func TokenUtils() *TokenUtilsStruct

TokenUtils is a factory method that acts as a static member

func (*TokenUtilsStruct) CreateApiKey added in v1.2.103 

func (t *TokenUtilsStruct) CreateApiKey(appName string) (string, error)

CreateApiKey generate API Key from application name

func (*TokenUtilsStruct) CreateToken added in v1.2.103 

func (t *TokenUtilsStruct) CreateToken(claims *jwt.RegisteredClaims) (string, error)

CreateToken build JWT token from Token Data structure

func (*TokenUtilsStruct) ParseApiKey added in v1.2.103 

func (t *TokenUtilsStruct) ParseApiKey(apiKey string) (string, error)

ParseApiKey extract application name from API key

func (*TokenUtilsStruct) ParseToken added in v1.2.103 

func (t *TokenUtilsStruct) ParseToken(tokenString string) (*jwt.RegisteredClaims, error)

ParseToken rebuild Token Data structure from JWT token

Source Files

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Directories

Path Synopsis
Package cache Cache item implementation Based on https://github.com/ReneKroon/ttlcache
 Package cache Cache item implementation Based on https://github.com/ReneKroon/ttlcache
Package cache2 Cache item old implementation Based on https://github.com/ReneKroon/ttlcache
 Package cache2 Cache item old implementation Based on https://github.com/ReneKroon/ttlcache

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