Documentation ¶
Overview ¶
Package model provides the Elastic APM model types.
https://www.elastic.co/guide/en/apm/server/current/intake-api.html
Index ¶
- type Agent
- type Context
- type Cookies
- type DatabaseSpanContext
- type Error
- type ErrorsPayload
- type Exception
- type ExceptionCode
- type Framework
- type HTTPSpanContext
- type IfaceMap
- type IfaceMapItem
- type Language
- type Log
- type Metric
- type Metrics
- type MetricsPayload
- type Process
- type Request
- type RequestBody
- type RequestHeaders
- type RequestSocket
- type Response
- type ResponseHeaders
- type Runtime
- type Service
- type Span
- type SpanContext
- type SpanCount
- type SpanCountDropped
- type SpanID
- type StacktraceFrame
- type StringMap
- type StringMapItem
- type System
- type Time
- type TraceID
- type Transaction
- type TransactionID
- type TransactionReference
- type TransactionsPayload
- type URL
- type UUID
- type User
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type Agent ¶
type Agent struct { // Name is the name of the Elastic APM agent, e.g. "Go". Name string `json:"name"` // Version is the version of the Elastic APM agent, e.g. "1.0.0". Version string `json:"version"` }
Agent holds information about the Elastic APM agent.
func (*Agent) MarshalFastJSON ¶
type Context ¶
type Context struct { // Request holds details of the HTTP request relating to the // transaction or error, if relevant. Request *Request `json:"request,omitempty"` // Response holds details of the HTTP response relating to the // transaction or error, if relevant. Response *Response `json:"response,omitempty"` // User holds details of the authenticated user relating to the // transaction or error, if relevant. User *User `json:"user,omitempty"` // Custom holds arbitrary additional metadata. Custom IfaceMap `json:"custom,omitempty"` // Tags holds user-defined key/value pairs. Tags map[string]string `json:"tags,omitempty"` }
Context holds contextual information relating to a transaction or error.
func (*Context) MarshalFastJSON ¶
type Cookies ¶
Cookies holds a collection of HTTP cookies.
func (Cookies) MarshalFastJSON ¶
MarshalFastJSON writes the JSON representation of c to w.
func (*Cookies) UnmarshalJSON ¶
UnmarshalJSON unmarshals the JSON data into c.
type DatabaseSpanContext ¶
type DatabaseSpanContext struct { // Instance holds the database instance name. Instance string `json:"instance,omitempty"` // Statement holds the database statement (e.g. query). Statement string `json:"statement,omitempty"` // Type holds the database type. For any SQL database, // this should be "sql"; for others, the lower-cased // database category, e.g. "cassandra", "hbase", "redis". Type string `json:"type,omitempty"` // User holds the username used for database access. User string `json:"user,omitempty"` }
DatabaseSpanContext holds contextual information for database operation spans.
func (*DatabaseSpanContext) MarshalFastJSON ¶
func (v *DatabaseSpanContext) MarshalFastJSON(w *fastjson.Writer)
type Error ¶
type Error struct { // Timestamp holds the time at which the error occurred. Timestamp Time `json:"timestamp"` // ID holds a hex-formatted UUID for the error. ID UUID `json:"id,omitempty"` // TraceID holds the ID of the trace within which the error occurred. TraceID TraceID `json:"trace_id,omitempty"` // ParentID holds the ID of the transaction within which the error // occurred. ParentID SpanID `json:"parent_id,omitempty"` // TransactionID holds the UUID of the transaction to which // this error relates, if any. Transaction TransactionReference `json:"transaction,omitempty"` // Culprit holds the name of the function which // produced the error. Culprit string `json:"culprit,omitempty"` // Context holds contextual information relating to the error. Context *Context `json:"context,omitempty"` // Exception holds details of the exception (error or panic) // to which this error relates. Exception Exception `json:"exception,omitempty"` // Log holds additional information added when logging the error. Log Log `json:"log,omitempty"` }
Error represents an error occurring in the service.
func (*Error) MarshalFastJSON ¶
type ErrorsPayload ¶
type ErrorsPayload struct { Service *Service `json:"service"` Process *Process `json:"process,omitempty"` System *System `json:"system,omitempty"` Errors []*Error `json:"errors"` }
ErrorsPayload defines the payload structure expected by the errors intake API.
https://www.elastic.co/guide/en/apm/server/current/error-api.html
func (*ErrorsPayload) MarshalFastJSON ¶
func (v *ErrorsPayload) MarshalFastJSON(w *fastjson.Writer)
type Exception ¶
type Exception struct { // Message holds the error message. Message string `json:"message"` // Code holds the error code. This may be a number or a string. Code ExceptionCode `json:"code,omitempty"` // Type holds the type of the exception. Type string `json:"type,omitempty"` // Module holds the exception type's module namespace. Module string `json:"module,omitempty"` // Attributes holds arbitrary exception-type specific attributes. Attributes map[string]interface{} `json:"attributes,omitempty"` // Stacktrace holds stack frames corresponding to the exception. Stacktrace []StacktraceFrame `json:"stacktrace,omitempty"` // Handled indicates whether or not the error was caught and handled. Handled bool `json:"handled"` }
Exception represents an exception: an error or panic.
func (*Exception) MarshalFastJSON ¶
type ExceptionCode ¶
ExceptionCode represents an exception code as either a number or a string.
func (*ExceptionCode) MarshalFastJSON ¶
func (c *ExceptionCode) MarshalFastJSON(w *fastjson.Writer)
MarshalFastJSON writes the JSON representation of c to w.
func (*ExceptionCode) UnmarshalJSON ¶
func (c *ExceptionCode) UnmarshalJSON(data []byte) error
UnmarshalJSON unmarshals the JSON data into c.
type Framework ¶
type Framework struct { // Name is the name of the framework. Name string `json:"name"` // Version is the version of the framework. Version string `json:"version"` }
Framework holds information about the framework (typically web) used by the service.
func (*Framework) MarshalFastJSON ¶
type HTTPSpanContext ¶ added in v0.5.0
HTTPSpanContext holds contextual information for HTTP client request spans.
func (*HTTPSpanContext) MarshalFastJSON ¶ added in v0.5.0
func (v *HTTPSpanContext) MarshalFastJSON(w *fastjson.Writer)
MarshalFastJSON writes the JSON representation of v to w.
func (*HTTPSpanContext) UnmarshalJSON ¶ added in v0.5.0
func (v *HTTPSpanContext) UnmarshalJSON(data []byte) error
UnmarshalJSON unmarshals the JSON data into v.
type IfaceMap ¶
type IfaceMap []IfaceMapItem
IfaceMap is a slice-representation of map[string]interface{}, optimized for fast JSON encoding.
Slice items are expected to be ordered by key.
func (IfaceMap) MarshalFastJSON ¶
MarshalFastJSON writes the JSON representation of m to w.
func (*IfaceMap) UnmarshalJSON ¶
UnmarshalJSON unmarshals the JSON data into m.
type IfaceMapItem ¶
type IfaceMapItem struct { // Key is the map item's key. Key string // Value is an arbitrary JSON-encodable value. Value interface{} }
IfaceMapItem holds a string key and arbitrary JSON-encodable value.
func (*IfaceMapItem) MarshalFastJSON ¶
func (*IfaceMapItem) MarshalFastJSON(*fastjson.Writer)
MarshalFastJSON exists to prevent code generation for IfaceMapItem.
type Language ¶
type Language struct { // Name is the name of the programming language. Name string `json:"name"` // Version is the version of the programming language. Version string `json:"version,omitempty"` }
Language holds information about the programming language used.
func (*Language) MarshalFastJSON ¶
type Log ¶
type Log struct { // Message holds the logged error message. Message string `json:"message"` // Level holds the severity of the log record. Level string `json:"level,omitempty"` // LoggerName holds the name of the logger used. LoggerName string `json:"logger_name,omitempty"` // ParamMessage holds a parameterized message, e.g. // "Could not connect to %s". The string is not interpreted, // but may be used for grouping errors. ParamMessage string `json:"param_message,omitempty"` // Stacktrace holds stack frames corresponding to the error. Stacktrace []StacktraceFrame `json:"stacktrace,omitempty"` }
Log holds additional information added when logging an error.
func (*Log) MarshalFastJSON ¶
type Metric ¶ added in v0.5.0
type Metric struct { // Value holds the metric value. Value float64 `json:"value"` }
Metric holds metric values.
func (*Metric) MarshalFastJSON ¶ added in v0.5.0
type Metrics ¶ added in v0.5.0
type Metrics struct { // Timestamp holds the time at which the metric samples were taken. Timestamp Time `json:"timestamp"` // Labels holds a set of labels associated with the metrics. // The labels apply uniformly to all metric samples in the set. Labels StringMap `json:"labels,omitempty"` // Samples holds a map of metric samples, keyed by metric name. Samples map[string]Metric `json:"samples"` }
Metrics holds a set of metric samples, with an optional set of labels.
func (*Metrics) MarshalFastJSON ¶ added in v0.5.0
type MetricsPayload ¶ added in v0.5.0
type MetricsPayload struct { Service *Service `json:"service,omitempty"` Process *Process `json:"process,omitempty"` System *System `json:"system,omitempty"` Metrics []*Metrics `json:"metrics"` }
MetricsPayload defines the payload structure expected by the metrics intake API.
TODO(axw) link to docs when they exist.
func (*MetricsPayload) MarshalFastJSON ¶ added in v0.5.0
func (v *MetricsPayload) MarshalFastJSON(w *fastjson.Writer)
type Process ¶
type Process struct { // Pid is the process ID. Pid int `json:"pid"` // Ppid is the parent process ID, if known. Ppid *int `json:"ppid,omitempty"` // Title is the title of the process. Title string `json:"title,omitempty"` // Argv holds the command line arguments used to start the process. Argv []string `json:"argv,omitempty"` }
Process represents an operating system process.
func (*Process) MarshalFastJSON ¶
type Request ¶
type Request struct { // URL is the request URL. URL URL `json:"url"` // Method holds the HTTP request method. Method string `json:"method"` // Headers holds the request headers. Headers *RequestHeaders `json:"headers,omitempty"` // Body holds the request body, if body capture is enabled. Body *RequestBody `json:"body,omitempty"` // HTTPVersion holds the HTTP version of the request. HTTPVersion string `json:"http_version,omitempty"` // Cookies holds the parsed cookies. Cookies Cookies `json:"cookies,omitempty"` // Env holds environment information passed from the // web framework to the request handler. Env map[string]string `json:"env,omitempty"` // Socket holds transport-level information. Socket *RequestSocket `json:"socket,omitempty"` }
Request represents an HTTP request.
func (*Request) MarshalFastJSON ¶
type RequestBody ¶
type RequestBody struct { // Raw holds the raw body content. Raw string // Form holds the form data from POST, PATCH, or PUT body parameters. Form url.Values }
RequestBody holds a request body.
Exactly one of Raw or Form must be set.
func (*RequestBody) MarshalFastJSON ¶
func (b *RequestBody) MarshalFastJSON(w *fastjson.Writer)
MarshalFastJSON writes the JSON representation of b to w.
func (*RequestBody) UnmarshalJSON ¶
func (b *RequestBody) UnmarshalJSON(data []byte) error
UnmarshalJSON unmarshals the JSON data into b.
type RequestHeaders ¶
type RequestHeaders struct { // ContentType holds the content-type header. ContentType string `json:"content-type,omitempty"` // Cookie holds the cookies sent with the request, // delimited by semi-colons. Cookie string `json:"cookie,omitempty"` // UserAgent holds the user-agent header. UserAgent string `json:"user-agent,omitempty"` }
RequestHeaders holds a limited subset of HTTP request headers.
func (*RequestHeaders) MarshalFastJSON ¶
func (v *RequestHeaders) MarshalFastJSON(w *fastjson.Writer)
type RequestSocket ¶
type RequestSocket struct { // Encrypted indicates whether or not the request was sent // as an SSL/HTTPS request. Encrypted bool `json:"encrypted,omitempty"` // RemoteAddress holds the remote address for the request. RemoteAddress string `json:"remote_address,omitempty"` }
RequestSocket holds transport-level information relating to an HTTP request.
func (*RequestSocket) MarshalFastJSON ¶
func (v *RequestSocket) MarshalFastJSON(w *fastjson.Writer)
type Response ¶
type Response struct { // StatusCode holds the HTTP response status code. StatusCode int `json:"status_code,omitempty"` // Headers holds the response headers. Headers *ResponseHeaders `json:"headers,omitempty"` // HeadersSent indicates whether or not headers were sent // to the client. HeadersSent *bool `json:"headers_sent,omitempty"` // Finished indicates whether or not the response was finished. Finished *bool `json:"finished,omitempty"` }
Response represents an HTTP response.
func (*Response) MarshalFastJSON ¶
type ResponseHeaders ¶
type ResponseHeaders struct { // ContentType holds the content-type header. ContentType string `json:"content-type,omitempty"` }
ResponseHeaders holds a limited subset of HTTP respponse headers.
func (*ResponseHeaders) MarshalFastJSON ¶
func (v *ResponseHeaders) MarshalFastJSON(w *fastjson.Writer)
type Runtime ¶
type Runtime struct { // Name is the name of the programming language runtime. Name string `json:"name"` // Version is the version of the programming language runtime. Version string `json:"version"` }
Runtime holds information about the programming language runtime.
func (*Runtime) MarshalFastJSON ¶
type Service ¶
type Service struct { // Name is the immutable name of the service. Name string `json:"name"` // Version is the version of the service, if it has one. Version string `json:"version,omitempty"` // Environment is the name of the service's environment, if it has // one, e.g. "production" or "staging". Environment string `json:"environment,omitempty"` // Agent holds information about the Elastic APM agent tracing this // service's transactions. Agent Agent `json:"agent"` // Framework holds information about the service's framework, if any. Framework *Framework `json:"framework,omitempty"` // Language holds information about the programming language in which // the service is written. Language *Language `json:"language,omitempty"` // Runtime holds information about the programming language runtime // running this service. Runtime *Runtime `json:"runtime,omitempty"` }
Service represents the service handling transactions being traced.
func (*Service) MarshalFastJSON ¶
type Span ¶
type Span struct { // Name holds the name of the span. Name string `json:"name"` // Start is the start time of the span, in milliseconds relative to // the containing transaction's timestamp. Start float64 `json:"start"` // Duration holds the duration of the span, in milliseconds. Duration float64 `json:"duration"` // Type identifies the service-domain specific type of the span, // e.g. "db.postgresql.query". Type string `json:"type"` // ID holds the ID of the span. ID SpanID `json:"id,omitempty"` // ParentID holds the ID of the span's parent (span or transaction). ParentID SpanID `json:"parent_id,omitempty"` // TraceID holds the ID of the trace that this span is a part of. TraceID TraceID `json:"trace_id,omitempty"` // Context holds contextual information relating to the span. Context *SpanContext `json:"context,omitempty"` // Stacktrace holds stack frames corresponding to the span. Stacktrace []StacktraceFrame `json:"stacktrace,omitempty"` }
Span represents a span within a transaction.
func (*Span) MarshalFastJSON ¶
type SpanContext ¶
type SpanContext struct { // Database holds contextual information for database // operation spans. Database *DatabaseSpanContext `json:"db,omitempty"` // HTTP holds contextual information for HTTP client request spans. HTTP *HTTPSpanContext `json:"http,omitempty"` }
SpanContext holds contextual information relating to the span.
func (*SpanContext) MarshalFastJSON ¶
func (v *SpanContext) MarshalFastJSON(w *fastjson.Writer)
type SpanCount ¶
type SpanCount struct { // Dropped holds statistics on dropped spans within a transaction. Dropped SpanCountDropped `json:"dropped,omitempty"` }
SpanCount holds statistics on spans within a transaction.
func (*SpanCount) MarshalFastJSON ¶
type SpanCountDropped ¶
type SpanCountDropped struct { // Total holds the total number of spans dropped by the // agent within a transaction. Total int `json:"total"` }
SpanCountDropped holds statistics on dropped spans.
func (*SpanCountDropped) MarshalFastJSON ¶
func (v *SpanCountDropped) MarshalFastJSON(w *fastjson.Writer)
type SpanID ¶ added in v0.5.0
type SpanID [8]byte
SpanID holds a 64-bit span ID. Despite its name, this is used for both spans and transactions, but only when distributed tracing is enabled.
func (*SpanID) MarshalFastJSON ¶ added in v0.5.0
MarshalFastJSON writes the JSON representation of id to w.
func (*SpanID) UnmarshalJSON ¶ added in v0.5.0
UnmarshalJSON unmarshals the JSON data into id.
type StacktraceFrame ¶
type StacktraceFrame struct { // AbsolutePath holds the absolute path of the source file for the // stack frame. AbsolutePath string `json:"abs_path,omitempty"` // File holds the base filename of the source file for the stack frame. File string `json:"filename"` // Line holds the line number of the source for the stack frame. Line int `json:"lineno"` // Column holds the column number of the source for the stack frame. Column *int `json:"colno,omitempty"` // Module holds the module to which the frame belongs. For Go, we // use the package path (e.g. "net/http"). Module string `json:"module,omitempty"` // Function holds the name of the function to which the frame belongs. Function string `json:"function,omitempty"` // LibraryFrame indicates whether or not the frame corresponds to // library or user code. LibraryFrame bool `json:"library_frame,omitempty"` // ContextLine holds the line of source code to which the frame // corresponds. ContextLine string `json:"context_line,omitempty"` // PreContext holds zero or more lines of source code preceding the // line corresponding to the frame. PreContext []string `json:"pre_context,omitempty"` // PostContext holds zero or more lines of source code proceeding the // line corresponding to the frame. PostContext []string `json:"post_context,omitempty"` // Vars holds local variables for this stack frame. Vars map[string]interface{} `json:"vars,omitempty"` }
StacktraceFrame describes a stack frame.
func (*StacktraceFrame) MarshalFastJSON ¶
func (v *StacktraceFrame) MarshalFastJSON(w *fastjson.Writer)
type StringMap ¶ added in v0.5.0
type StringMap []StringMapItem
StringMap is a slice-representation of map[string]string, optimized for fast JSON encoding.
Slice items are expected to be ordered by key.
func (StringMap) MarshalFastJSON ¶ added in v0.5.0
MarshalFastJSON writes the JSON representation of m to w.
func (*StringMap) UnmarshalJSON ¶ added in v0.5.0
UnmarshalJSON unmarshals the JSON data into m.
type StringMapItem ¶ added in v0.5.0
type StringMapItem struct { // Key is the map item's key. Key string // Value is the map item's value. Value string }
StringMapItem holds a string key and value.
func (*StringMapItem) MarshalFastJSON ¶ added in v0.5.0
func (*StringMapItem) MarshalFastJSON(*fastjson.Writer)
MarshalFastJSON exists to prevent code generation for StringMapItem.
type System ¶
type System struct { // Architecture is the system's hardware architecture. Architecture string `json:"architecture,omitempty"` // Hostname is the system's hostname. Hostname string `json:"hostname,omitempty"` // Platform is the system's platform, or operating system name. Platform string `json:"platform,omitempty"` }
System represents the system (operating system and machine) running the service.
func (*System) MarshalFastJSON ¶
type Time ¶
Time is a timestamp, formatted as "YYYY-MM-DDTHH:mm:ss.sssZ".
func (Time) MarshalFastJSON ¶
MarshalFastJSON writes the JSON representation of t to w.
func (*Time) UnmarshalJSON ¶
UnmarshalJSON unmarshals the JSON data into t.
type TraceID ¶ added in v0.5.0
type TraceID [16]byte
TraceID holds a 128-bit trace ID.
func (*TraceID) MarshalFastJSON ¶ added in v0.5.0
MarshalFastJSON writes the JSON representation of id to w.
func (*TraceID) UnmarshalJSON ¶ added in v0.5.0
UnmarshalJSON unmarshals the JSON data into id.
type Transaction ¶
type Transaction struct { // ID holds the ID of the transaction: either a 64-bit span ID // (for distributed tracing), or a legacy 128-bit UUID. If the // span ID is defined, TraceID must also be defined. ID TransactionID `json:"id"` // TraceID holds the ID of the trace that this transaction is a part of. TraceID TraceID `json:"trace_id,omitempty"` // ParentID holds the ID of the transaction's parent span or transaction. ParentID SpanID `json:"parent_id,omitempty"` // Name holds the name of the transaction. Name string `json:"name"` // Type identifies the service-domain specific type of the request, // e.g. "request" or "backgroundjob". Type string `json:"type"` // Timestamp holds the time at which the transaction started. Timestamp Time `json:"timestamp"` // Duration records how long the transaction took to complete, // in milliseconds. Duration float64 `json:"duration"` // Result holds the result of the transaction, e.g. the status code // for HTTP requests. Result string `json:"result,omitempty"` // Context holds contextual information relating to the transaction. Context *Context `json:"context,omitempty"` // Sampled indicates that the transaction was sampled, and // includes all available information. Non-sampled transactions // omit Context and Spans. // // If Sampled is unspecified (nil), it is equivalent to setting // it to true. Sampled *bool `json:"sampled,omitempty"` // SpanCount holds statistics on spans within a transaction. SpanCount SpanCount `json:"span_count,omitempty"` // Spans holds the transaction's spans. Spans []Span `json:"spans,omitempty"` }
Transaction represents a transaction handled by the service.
func (*Transaction) MarshalFastJSON ¶
func (v *Transaction) MarshalFastJSON(w *fastjson.Writer)
type TransactionID ¶ added in v0.5.0
type TransactionID struct { // SpanID is a 64-bit distributed tracing span ID. SpanID SpanID // UUID is a legacy 128-bit UUID. UUID UUID }
TransactionID holds a tranasction ID: either a 64-bit span ID (for distributed tracing), or a legacy 128-bit UUID.
func (*TransactionID) MarshalFastJSON ¶ added in v0.5.0
func (id *TransactionID) MarshalFastJSON(w *fastjson.Writer)
MarshalFastJSON writes the JSON representation of id to w.
func (*TransactionID) UnmarshalJSON ¶ added in v0.5.0
func (id *TransactionID) UnmarshalJSON(data []byte) error
UnmarshalJSON unmarshals the JSON data into id.
type TransactionReference ¶ added in v0.5.0
type TransactionReference struct { // ID is the UUID of the transaction. ID UUID `json:"id"` }
TransactionReference identifies a transaction.
func (*TransactionReference) MarshalFastJSON ¶ added in v0.5.0
func (v *TransactionReference) MarshalFastJSON(w *fastjson.Writer)
type TransactionsPayload ¶
type TransactionsPayload struct { Service *Service `json:"service"` Process *Process `json:"process,omitempty"` System *System `json:"system,omitempty"` Transactions []Transaction `json:"transactions"` }
TransactionsPayload defines the payload structure expected by the transactions intake API.
https://www.elastic.co/guide/en/apm/server/current/transaction-api.html
func (*TransactionsPayload) MarshalFastJSON ¶
func (v *TransactionsPayload) MarshalFastJSON(w *fastjson.Writer)
type URL ¶
type URL struct { // Full is the full URL, e.g. // "https://example.com:443/search/?q=elasticsearch#top". Full string `json:"full,omitempty"` // Protocol is the scheme of the URL, e.g. "https". Protocol string `json:"protocol,omitempty"` // Hostname is the hostname for the URL, e.g. "example.com". Hostname string `json:"hostname,omitempty"` // Port is the port number in the URL, e.g. "443". Port string `json:"port,omitempty"` // Path is the path of the URL, e.g. "/search". Path string `json:"pathname,omitempty"` // Search is the query string of the URL, e.g. "q=elasticsearch". Search string `json:"search,omitempty"` // Hash is the fragment for references, e.g. "top" in the // URL example provided for Full. Hash string `json:"hash,omitempty"` }
URL represents a server-side (transaction) request URL, broken down into its constituent parts.
func (*URL) MarshalFastJSON ¶
MarshalFastJSON writes the JSON representation of v to w.
type UUID ¶
type UUID [16]byte
UUID holds a 128-bit UUID.
func (*UUID) MarshalFastJSON ¶
MarshalFastJSON writes the JSON representation of id to w.
func (*UUID) UnmarshalJSON ¶
UnmarshalJSON unmarshals the JSON data into id.
type User ¶
type User struct { // Username holds the username of the user. Username string `json:"username,omitempty"` // ID identifies the user, e.g. a primary key. This may be // a string or number. ID string `json:"id,omitempty"` // Email holds the email address of the user. Email string `json:"email,omitempty"` }
User holds information about an authenticated user.