ext

Documentation

Overview

Package ext contains a set of Datadog-specific constants. Most of them are used for setting span metadata.

Index

• Constants

Constants

const (
	// AppTypeWeb specifies the Web span type and can be used as a tag value
	// for a span's SpanType tag.
	AppTypeWeb = "web"

	// AppTypeDB specifies the DB span type and can be used as a tag value
	// for a span's SpanType tag.
	AppTypeDB = "db"

	// AppTypeCache specifies the Cache span type and can be used as a tag value
	// for a span's SpanType tag.
	AppTypeCache = "cache"

	// AppTypeRPC specifies the RPC span type and can be used as a tag value
	// for a span's SpanType tag.
	AppTypeRPC = "rpc"
)

const (
	// CassandraQuery is the tag name used for cassandra queries.
	CassandraQuery = "cassandra.query"

	// CassandraConsistencyLevel is the tag name to set for consitency level.
	CassandraConsistencyLevel = "cassandra.consistency_level"

	// CassandraCluster specifies the tag name that is used to set the cluster.
	CassandraCluster = "cassandra.cluster"

	// CassandraRowCount specifies the tag name to use when settings the row count.
	CassandraRowCount = "cassandra.row_count"

	// CassandraKeyspace is used as tag name for setting the key space.
	CassandraKeyspace = "cassandra.keyspace"

	// CassandraPaginated specifies the tag name for paginated queries.
	CassandraPaginated = "cassandra.paginated"
)

const (
	// PriorityUserReject informs the backend that a trace should be rejected and not stored.
	// This should be used by user code overriding default priority.
	PriorityUserReject = -1

	// PriorityAutoReject informs the backend that a trace should be rejected and not stored.
	// This is used by the builtin sampler.
	PriorityAutoReject = 0

	// PriorityAutoKeep informs the backend that a trace should be kept and not stored.
	// This is used by the builtin sampler.
	PriorityAutoKeep = 1

	// PriorityUserKeep informs the backend that a trace should be kept and not stored.
	// This should be used by user code overriding default priority.
	PriorityUserKeep = 2
)

const (
	// TargetHost sets the target host address.
	TargetHost = "out.host"

	// TargetPort sets the target host port.
	TargetPort = "out.port"

	// SamplingPriority is the tag that marks the sampling priority of a span.
	SamplingPriority = "sampling.priority"

	// SQLType sets the sql type tag.
	SQLType = "sql"

	// SQLQuery sets the sql query tag on a span.
	SQLQuery = "sql.query"

	// HTTPMethod specifies the HTTP method used in a span.
	HTTPMethod = "http.method"

	// HTTPCode sets the HTTP status code as a tag.
	HTTPCode = "http.status_code"

	// HTTPURL sets the HTTP URL for a span.
	HTTPURL = "http.url"

	// SpanType defines the Span type (web, db, cache).
	SpanType = "span.type"

	// ServiceName defines the Service name for this Span.
	ServiceName = "service.name"

	// ResourceName defines the Resource name for the Span.
	ResourceName = "resource.name"

	// Error specifies the error tag. It's value is usually of type "error".
	Error = "error"

	// ErrorMsg specifies the error message.
	ErrorMsg = "error.msg"

	// ErrorType specifies the error type.
	ErrorType = "error.type"

	// ErrorStack specifies the stack dump.
	ErrorStack = "error.stack"
)

const (
	// The pid of the traced process
	Pid = "system.pid"
)

Standard system metadata names