core

Documentation

Overview

This core package providers API and clients base struct for services, and also some infrastructure function, such as signer, send http(s) request and so on.

Index

• Constants
• func EscapePath(path string, encodeSep bool) string
• type Config
  • func NewConfig() *Config
  • func (c *Config) SetEndpoint(endpoint string)
  • func (c *Config) SetScheme(scheme string)
  • func (c *Config) SetTimeout(timeout time.Duration)
• type Credential
  • func NewCredentials(accessKey, secretKey string) *Credential
• type DefaultLogger
  • func NewDefaultLogger(level int) *DefaultLogger
  • func (logger DefaultLogger) Log(level int, message ...interface{})
• type ErrorResponse
• type JDCloudClient
  • func (c JDCloudClient) Send(request RequestInterface, serviceName string) ([]byte, error)
• type JDCloudRequest
  • func (r *JDCloudRequest) AddHeader(key, value string)
  • func (r JDCloudRequest) GetHeaders() map[string]string
  • func (r JDCloudRequest) GetMethod() string
  • func (r JDCloudRequest) GetURL() string
  • func (r JDCloudRequest) GetVersion() string
• type Logger
• type ParameterBuilder
  • func GetParameterBuilder(method string, logger Logger) ParameterBuilder
• type RequestInterface
• type ResponseProcessor
  • func GetResponseProcessor(method string) ResponseProcessor
• type SignFunc
• type Signer
  • func NewSigner(credsProvider Credential, logger Logger) *Signer
  • func (v4 Signer) Sign(r *http.Request, body io.ReadSeeker, service, region string, ...) (http.Header, error)
• type WithBodyBuilder
  • func (b WithBodyBuilder) BuildBody(paramJson []byte) (string, error)
  • func (b WithBodyBuilder) BuildURL(url string, paramJson []byte) (string, error)
• type WithBodyResponseProcessor
  • func (p WithBodyResponseProcessor) Process(response *http.Response) ([]byte, error)
• type WithoutBodyBuilder
  • func (b WithoutBodyBuilder) BuildBody(paramJson []byte) (string, error)
  • func (b WithoutBodyBuilder) BuildURL(url string, paramJson []byte) (string, error)
• type WithoutBodyResponseProcessor
  • func (p WithoutBodyResponseProcessor) Process(response *http.Response) ([]byte, error)

Constants

const (
	SchemeHttp  = "http"
	SchemeHttps = "https"

	MethodGet    = "GET"
	MethodPut    = "PUT"
	MethodPost   = "POST"
	MethodDelete = "DELETE"
	MethodPatch  = "PATCH"
	MethodHead   = "HEAD"

	HeaderJcloudPrefix     = "x-jcloud"
	HeaderJdcloudPrefix    = "x-jdcloud"
	HeaderJdcloudRequestId = "x-jdcloud-request-id"
)

const (
	LogFatal = iota
	LogError
	LogWarn
	LogInfo
)

const Version = "1.0.3"

Functions

func EscapePath

func EscapePath(path string, encodeSep bool) string

EscapePath escapes part of a URL path

Types

type Config

type Config struct {
	Scheme   string
	Endpoint string
	Timeout  time.Duration
}

func NewConfig

func NewConfig() *Config

NewConfig returns a pointer of Config

scheme only accepts http or https

endpoint is the host to access, the connection could not be created if it's error

func (*Config) SetEndpoint

func (c *Config) SetEndpoint(endpoint string)

func (*Config) SetScheme

func (c *Config) SetScheme(scheme string)

func (*Config) SetTimeout

func (c *Config) SetTimeout(timeout time.Duration)

type Credential

type Credential struct {
	AccessKey string
	SecretKey string
}

Credential is used to sign the request, AccessKey and SecretKey could be found in JDCloud console

func NewCredentials

func NewCredentials(accessKey, secretKey string) *Credential

type DefaultLogger

type DefaultLogger struct {
	Level int
}

func NewDefaultLogger

func NewDefaultLogger(level int) *DefaultLogger

func (DefaultLogger) Log

func (logger DefaultLogger) Log(level int, message ...interface{})

type ErrorResponse

type ErrorResponse struct {
	Code    int    `json:"code"`
	Status  string `json:"status"`
	Message string `json:"message"`
}

type JDCloudClient

type JDCloudClient struct {
	Credential  Credential
	Config      Config
	ServiceName string
	Revision    string
	Logger      Logger
}

JDCloudClient is the base struct of service clients

func (JDCloudClient) Send

func (c JDCloudClient) Send(request RequestInterface, serviceName string) ([]byte, error)

Send send the request and return the response to the client. Parameter request accepts concrete request object which follow RequestInterface.

type JDCloudRequest

type JDCloudRequest struct {
	URL     string // resource url, i.e. /regions/${regionId}/elasticIps/${elasticIpId}
	Method  string
	Header  map[string]string
	Version string
}

JDCloudRequest is the base struct of service requests

func (*JDCloudRequest) AddHeader

func (r *JDCloudRequest) AddHeader(key, value string)

AddHeader only adds pin or erp, they will be encoded to base64 code

func (JDCloudRequest) GetHeaders

func (r JDCloudRequest) GetHeaders() map[string]string

func (JDCloudRequest) GetMethod

func (r JDCloudRequest) GetMethod() string

func (JDCloudRequest) GetURL

func (r JDCloudRequest) GetURL() string

func (JDCloudRequest) GetVersion

func (r JDCloudRequest) GetVersion() string

type Logger

type Logger interface {
	Log(level int, message ...interface{})
}

type ParameterBuilder

type ParameterBuilder interface {
	BuildURL(url string, paramJson []byte) (string, error)
	BuildBody(paramJson []byte) (string, error)
}

func GetParameterBuilder

func GetParameterBuilder(method string, logger Logger) ParameterBuilder

type RequestInterface

type RequestInterface interface {
	GetURL() string
	GetMethod() string
	GetVersion() string
	GetHeaders() map[string]string
	GetRegionId() string
}

type ResponseProcessor

type ResponseProcessor interface {
	Process(response *http.Response) ([]byte, error)
}

func GetResponseProcessor

func GetResponseProcessor(method string) ResponseProcessor

type SignFunc

type SignFunc func(*http.Request) error

type Signer

type Signer struct {
	Credentials Credential
	Logger      Logger
}

func NewSigner

func NewSigner(credsProvider Credential, logger Logger) *Signer

func (Signer) Sign

func (v4 Signer) Sign(r *http.Request, body io.ReadSeeker, service, region string, signTime time.Time) (http.Header, error)

Sign signs the request by using AWS V4 signer algorithm, and adds Authorization header

type WithBodyBuilder

type WithBodyBuilder struct {
	Logger Logger
}

WithBodyBuilder supports PUT/POST/PATCH methods. It has path and body (json) parameters, but no query parameters.

func (WithBodyBuilder) BuildBody

func (b WithBodyBuilder) BuildBody(paramJson []byte) (string, error)

func (WithBodyBuilder) BuildURL

func (b WithBodyBuilder) BuildURL(url string, paramJson []byte) (string, error)

type WithBodyResponseProcessor

type WithBodyResponseProcessor struct {
}

func (WithBodyResponseProcessor) Process

func (p WithBodyResponseProcessor) Process(response *http.Response) ([]byte, error)

type WithoutBodyBuilder

type WithoutBodyBuilder struct {
	Logger Logger
}

WithoutBodyBuilder supports GET/DELETE methods. It only builds path and query parameters.

func (WithoutBodyBuilder) BuildBody

func (b WithoutBodyBuilder) BuildBody(paramJson []byte) (string, error)

func (WithoutBodyBuilder) BuildURL

func (b WithoutBodyBuilder) BuildURL(url string, paramJson []byte) (string, error)

type WithoutBodyResponseProcessor

type WithoutBodyResponseProcessor struct {
}

func (WithoutBodyResponseProcessor) Process

func (p WithoutBodyResponseProcessor) Process(response *http.Response) ([]byte, error)