http

package
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 Go to latest Published: Apr 9, 2024 License: Apache-2.0 Imports: 28 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// CompressorMinimumSize is the required size in bytes that a body exceeds before it is compressed
	CompressorMinimumSize = 150
)

Variables

View Source 
var (
	// ErrNotFound is returned when the resource was not found in New Relic.
	ErrNotFound = errors.New("newrelic: Resource not found")

	// ErrClassTooManyRequests is returned in json messages when client is sending more RPM than the service limit.
	// (RPM = Requests Per Minute)
	ErrClassTooManyRequests = errors.New("TOO_MANY_REQUESTS")
)

Functions

func RetryPolicy 

func RetryPolicy(ctx context.Context, resp *http.Response, err error) (bool, error)

RetryPolicy provides a callback for retryablehttp's CheckRetry, which will retry on connection errors and server errors.

Types

type ClassicV2Authorizer 

type ClassicV2Authorizer struct{}

ClassicV2Authorizer authorizes V2 endpoints that cannot use a personal API key.

func (*ClassicV2Authorizer) AuthorizeRequest 

func (a *ClassicV2Authorizer) AuthorizeRequest(r *Request, c *config.Config)

AuthorizeRequest is responsible for setting up auth for a request.

type Client 

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

Client represents a client for communicating with the New Relic APIs.

func NewClient 

func NewClient(cfg config.Config) Client

NewClient is used to create a new instance of Client.

func NewTestAPIClient 

func NewTestAPIClient(t *testing.T, handler http.Handler) Client

NewTestAPIClient returns a test Client instance that is configured to communicate with a mock server.

func (*Client) Delete 

func (c *Client) Delete(
	url string,
	queryParams interface{},
	respBody interface{},
) (*http.Response, error)

Delete represents an HTTP DELETE request to a New Relic API. The queryParams argument can be used to add query string parameters to the requested URL. The respBody argument will be unmarshaled from JSON in the response body to the type provided. If respBody is not nil and the response body cannot be unmarshaled to the type provided, an error will be returned.

func (*Client) DeleteWithContext 

func (c *Client) DeleteWithContext(
	ctx context.Context,
	url string,
	queryParams interface{},
	respBody interface{},
) (*http.Response, error)

DeleteWithContext represents an HTTP DELETE request to a New Relic API. The queryParams argument can be used to add query string parameters to the requested URL. The respBody argument will be unmarshaled from JSON in the response body to the type provided. If respBody is not nil and the response body cannot be unmarshaled to the type provided, an error will be returned.

func (*Client) Do 

func (c *Client) Do(req *Request) (*http.Response, error)

Do initiates an HTTP request as configured by the passed Request struct.

func (*Client) Get 

func (c *Client) Get(
	url string,
	queryParams interface{},
	respBody interface{},
) (*http.Response, error)

Get represents an HTTP GET request to a New Relic API. The queryParams argument can be used to add query string parameters to the requested URL. The respBody argument will be unmarshaled from JSON in the response body to the type provided. If respBody is not nil and the response body cannot be unmarshaled to the type provided, an error will be returned.

func (*Client) GetWithContext 

func (c *Client) GetWithContext(
	ctx context.Context,
	url string,
	queryParams interface{},
	respBody interface{},
) (*http.Response, error)

GetWithContext represents an HTTP GET request to a New Relic API. The queryParams argument can be used to add query string parameters to the requested URL. The respBody argument will be unmarshaled from JSON in the response body to the type provided. If respBody is not nil and the response body cannot be unmarshaled to the type provided, an error will be returned.

func (*Client) NerdGraphQuery 

func (c *Client) NerdGraphQuery(query string, vars map[string]interface{}, respBody interface{}) error

NerdGraphQuery runs a Nerdgraph query.

func (*Client) NerdGraphQueryWithContext 

func (c *Client) NerdGraphQueryWithContext(ctx context.Context, query string, vars map[string]interface{}, respBody interface{}) error

NerdGraphQueryWithContext runs a Nerdgraph query.

func (*Client) NewNerdGraphRequest 

func (c *Client) NewNerdGraphRequest(query string, vars map[string]interface{}, respBody interface{}) (*Request, error)

NewNerdGraphRequest runs a Nerdgraph request object.

func (*Client) NewRequest 

func (c *Client) NewRequest(method string, url string, params interface{}, reqBody interface{}, value interface{}) (*Request, error)

NewRequest creates a new Request struct.

func (*Client) Post 

func (c *Client) Post(
	url string,
	queryParams interface{},
	reqBody interface{},
	respBody interface{},
) (*http.Response, error)

Post represents an HTTP POST request to a New Relic API. The queryParams argument can be used to add query string parameters to the requested URL. The reqBody argument will be marshaled to JSON from the type provided and included in the request body. The respBody argument will be unmarshaled from JSON in the response body to the type provided. If respBody is not nil and the response body cannot be unmarshaled to the type provided, an error will be returned.

func (*Client) PostWithContext 

func (c *Client) PostWithContext(
	ctx context.Context,
	url string,
	queryParams interface{},
	reqBody interface{},
	respBody interface{},
) (*http.Response, error)

PostWithContext represents an HTTP POST request to a New Relic API. The queryParams argument can be used to add query string parameters to the requested URL. The reqBody argument will be marshaled to JSON from the type provided and included in the request body. The respBody argument will be unmarshaled from JSON in the response body to the type provided. If respBody is not nil and the response body cannot be unmarshaled to the type provided, an error will be returned.

func (*Client) Put 

func (c *Client) Put(
	url string,
	queryParams interface{},
	reqBody interface{},
	respBody interface{},
) (*http.Response, error)

Put represents an HTTP PUT request to a New Relic API. The queryParams argument can be used to add query string parameters to the requested URL. The reqBody argument will be marshaled to JSON from the type provided and included in the request body. The respBody argument will be unmarshaled from JSON in the response body to the type provided. If respBody is not nil and the response body cannot be unmarshaled to the type provided, an error will be returned.

func (*Client) PutWithContext 

func (c *Client) PutWithContext(
	ctx context.Context,
	url string,
	queryParams interface{},
	reqBody interface{},
	respBody interface{},
) (*http.Response, error)

PutWithContext represents an HTTP PUT request to a New Relic API. The queryParams argument can be used to add query string parameters to the requested URL. The reqBody argument will be marshaled to JSON from the type provided and included in the request body. The respBody argument will be unmarshaled from JSON in the response body to the type provided. If respBody is not nil and the response body cannot be unmarshaled to the type provided, an error will be returned.

func (*Client) SetAuthStrategy 

func (c *Client) SetAuthStrategy(da RequestAuthorizer)

SetAuthStrategy is used to set the default auth strategy for this client which can be overridden per request

func (*Client) SetErrorValue 

func (c *Client) SetErrorValue(v ErrorResponse) *Client

SetErrorValue is used to unmarshal error body responses in JSON format.

func (*Client) SetRequestCompressor 

func (c *Client) SetRequestCompressor(compressor RequestCompressor)

SetRequestCompressor is used to enable compression on the request using the RequestCompressor specified

type DefaultErrorResponse 

type DefaultErrorResponse struct {
	ErrorDetail ErrorDetail `json:"error"`
}

DefaultErrorResponse represents the default error response from New Relic.

func (*DefaultErrorResponse) Error 

func (e *DefaultErrorResponse) Error() string

func (*DefaultErrorResponse) IsDeprecated 

func (e *DefaultErrorResponse) IsDeprecated() bool

func (*DefaultErrorResponse) IsNotFound 

func (e *DefaultErrorResponse) IsNotFound() bool

func (*DefaultErrorResponse) IsPaymentRequired 

func (e *DefaultErrorResponse) IsPaymentRequired(resp *http.Response) bool

func (*DefaultErrorResponse) IsRetryableError 

func (e *DefaultErrorResponse) IsRetryableError() bool

func (*DefaultErrorResponse) IsUnauthorized 

func (e *DefaultErrorResponse) IsUnauthorized(resp *http.Response) bool

IsUnauthorized checks a response for a 401 Unauthorize HTTP status code.

func (*DefaultErrorResponse) New 

func (e *DefaultErrorResponse) New() ErrorResponse

New creates a new instance of the DefaultErrorResponse struct.

type ErrorDetail 

type ErrorDetail struct {
	Title    string   `json:"title"`
	Messages []string `json:"messages"`
}

ErrorDetail represents a New Relic response error detail.

type ErrorResponse 

type ErrorResponse interface {
	IsNotFound() bool
	IsRetryableError() bool
	IsUnauthorized(resp *http.Response) bool
	IsPaymentRequired(resp *http.Response) bool
	IsDeprecated() bool
	Error() string
	New() ErrorResponse
}

ErrorResponse provides an interface for obtaining a single error message from an error response object.

type GraphQLError 

type GraphQLError struct {
	Message    string   `json:"message,omitempty"`
	Path       []string `json:"path,omitempty"`
	Extensions struct {
		ErrorClass string `json:"errorClass,omitempty"`
		ErrorCode  string `json:"error_code,omitempty"`
		Code       string `json:"code,omitempty"`
	} `json:"extensions,omitempty"`
}

GraphQLError represents a single error.

type GraphQLErrorResponse 

type GraphQLErrorResponse struct {
	Errors []GraphQLError `json:"errors"`
}

GraphQLErrorResponse represents a default error response body.

func (*GraphQLErrorResponse) Error 

func (r *GraphQLErrorResponse) Error() string

func (*GraphQLErrorResponse) IsDeprecated 

func (r *GraphQLErrorResponse) IsDeprecated() bool

IsDeprecated parses error messages for warnings that a field being used is deprecated. We want to bubble that up, but not stop returning data

Example deprecation message: 

This field is deprecated! Please use `relatedEntities` instead.

func (*GraphQLErrorResponse) IsNotFound 

func (r *GraphQLErrorResponse) IsNotFound() bool

IsNotFound determines if the error is due to a missing resource.

func (*GraphQLErrorResponse) IsPaymentRequired 

func (r *GraphQLErrorResponse) IsPaymentRequired(resp *http.Response) bool

func (*GraphQLErrorResponse) IsRetryableError 

func (r *GraphQLErrorResponse) IsRetryableError() bool

IsRetryableError determines if the error is due to a server timeout, or another error that we might want to retry.

func (*GraphQLErrorResponse) IsUnauthorized 

func (r *GraphQLErrorResponse) IsUnauthorized(resp *http.Response) bool

IsUnauthorized checks a NerdGraph response for a 401 Unauthorize HTTP status code, then falls back to check the nested extensions error_code field for `BAD_API_KEY`.

func (*GraphQLErrorResponse) New 

func (r *GraphQLErrorResponse) New() ErrorResponse

New creates a new instance of GraphQLErrorRepsonse.

type GzipCompressor 

type GzipCompressor struct{}

GzipCompressor compresses the body with gzip

func (*GzipCompressor) Compress 

func (c *GzipCompressor) Compress(r *Request, body []byte) (io.Reader, error)

CompressRequest gzips the body, sets the content encoding header, and returns a reader to the caller

type InsightsInsertKeyAuthorizer 

type InsightsInsertKeyAuthorizer struct{}

InsightsInsertKeyAuthorizer authorizes sending custom events to New Relic.

func (*InsightsInsertKeyAuthorizer) AuthorizeRequest 

func (a *InsightsInsertKeyAuthorizer) AuthorizeRequest(r *Request, c *config.Config)

type LicenseKeyAuthorizer 

type LicenseKeyAuthorizer struct{}

func (*LicenseKeyAuthorizer) AuthorizeRequest 

func (a *LicenseKeyAuthorizer) AuthorizeRequest(r *Request, c *config.Config)

type LinkHeaderPager 

type LinkHeaderPager struct{}

LinkHeaderPager represents a pagination implementation that adheres to RFC 5988.

func (*LinkHeaderPager) Parse 

func (l *LinkHeaderPager) Parse(resp *http.Response) Paging

Parse is used to parse a pagination context from an HTTP response.

type LogsInsertKeyAuthorizer 

type LogsInsertKeyAuthorizer struct{}

func (*LogsInsertKeyAuthorizer) AuthorizeRequest 

func (a *LogsInsertKeyAuthorizer) AuthorizeRequest(r *Request, c *config.Config)

type NerdGraphAuthorizer 

type NerdGraphAuthorizer struct{}

NerdGraphAuthorizer authorizes calls to NerdGraph.

func (*NerdGraphAuthorizer) AuthorizeRequest 

func (a *NerdGraphAuthorizer) AuthorizeRequest(r *Request, c *config.Config)

AuthorizeRequest is responsible for setting up auth for a request.

type NoneCompressor 

type NoneCompressor struct{}

NoneCompressor does not compress the request at all.

func (*NoneCompressor) Compress 

func (c *NoneCompressor) Compress(r *Request, body []byte) (io.Reader, error)

CompressRequest returns a reader for the body to the caller

type Pager 

type Pager interface {
	Parse(res *http.Response) Paging
}

Pager represents a pagination implementation.

type Paging 

type Paging struct {
	Next string
}

Paging represents the pagination context returned from the Pager implementation.

type PersonalAPIKeyCapableV2Authorizer 

type PersonalAPIKeyCapableV2Authorizer struct{}

PersonalAPIKeyCapableV2Authorizer authorizes V2 endpoints that can use a personal API key.

func (*PersonalAPIKeyCapableV2Authorizer) AuthorizeRequest 

func (a *PersonalAPIKeyCapableV2Authorizer) AuthorizeRequest(r *Request, c *config.Config)

AuthorizeRequest is responsible for setting up auth for a request.

type Request 

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

Request represents a configurable HTTP request.

func (*Request) DelHeader 

func (r *Request) DelHeader(key string)

DelHeader deletes the specified header if it exists

func (*Request) GetHeader 

func (r *Request) GetHeader(key string) string

GetHeader returns the value of the header requested

func (*Request) SetAuthStrategy 

func (r *Request) SetAuthStrategy(ra RequestAuthorizer)

SetAuthStrategy sets the authentication strategy for the request.

func (*Request) SetErrorValue 

func (r *Request) SetErrorValue(e ErrorResponse)

SetErrorValue sets the error object for the request.

func (*Request) SetHeader 

func (r *Request) SetHeader(key string, value string)

SetHeader sets a header on the underlying request.

func (*Request) SetServiceName 

func (r *Request) SetServiceName(serviceName string)

SetServiceName sets the service name for the request.

func (*Request) WithContext 

func (r *Request) WithContext(ctx context.Context)

WithContext sets the context of the underlying request.

type RequestAuthorizer 

type RequestAuthorizer interface {
	AuthorizeRequest(r *Request, c *config.Config)
}

RequestAuthorizer is an interface that allows customizatino of how a request is authorized.

type RequestCompressor 

type RequestCompressor interface {
	Compress(r *Request, body []byte) (io.Reader, error)
}

Source Files

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