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Package trace is an auto-generated package for the Stackdriver Trace API.
Sends application trace data to Stackdriver Trace for viewing. Trace data is collected for all App Engine applications by default. Trace data from other applications can be provided using this API. This library is used to interact with the Trace API directly. If you are looking to instrument your application for Stackdriver Trace, we recommend using OpenCensus.
Use of Context
The ctx passed to NewClient is used for authentication requests and for creating the underlying connection, but is not used for subsequent calls. Individual methods on the client use the ctx given to them.
To close the open connection, use the Close() method.
For information about setting deadlines, reusing contexts, and more please visit https://pkg.go.dev/cloud.google.com/go .
Functions
func DefaultAuthScopes
func
DefaultAuthScopes
()
[]
string
DefaultAuthScopes reports the default set of authentication scopes to use with this package.
CallOptions
type
CallOptions
struct
{
ListTraces
[]
gax
.
CallOption
GetTrace
[]
gax
.
CallOption
PatchTraces
[]
gax
.
CallOption
}
CallOptions contains the retry settings for each method of Client.
Client
type
Client
struct
{
// The call options for this service.
CallOptions
*
CallOptions
// contains filtered or unexported fields
}
Client is a client for interacting with Stackdriver Trace API. Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
This file describes an API for collecting and viewing traces and spans within a trace. A Trace is a collection of spans corresponding to a single operation or set of operations for an application. A span is an individual timed event which forms a node of the trace tree. Spans for a single trace may span multiple services.
func NewClient
NewClient creates a new trace service client based on gRPC. The returned client must be Closed when it is done being used to clean up its underlying connections.
This file describes an API for collecting and viewing traces and spans within a trace. A Trace is a collection of spans corresponding to a single operation or set of operations for an application. A span is an individual timed event which forms a node of the trace tree. Spans for a single trace may span multiple services.
Example
package
main
import
(
"context"
trace
"cloud.google.com/go/trace/apiv1"
)
func
main
()
{
ctx
:=
context
.
Background
()
c
,
err
:=
trace
.
NewClient
(
ctx
)
if
err
!=
nil
{
// TODO: Handle error.
}
defer
c
.
Close
()
// TODO: Use client.
_
=
c
}
func (*Client) Close
Close closes the connection to the API service. The user should invoke this when the client is no longer required.
func (*Client) Connection
func
(
c
*
Client
)
Connection
()
*
grpc
.
ClientConn
Connection returns a connection to the API service.
Deprecated.
func (*Client) GetTrace
func
(
c
*
Client
)
GetTrace
(
ctx
context
.
Context
,
req
*
cloudtracepb
.
GetTraceRequest
,
opts
...
gax
.
CallOption
)
(
*
cloudtracepb
.
Trace
,
error
)
GetTrace gets a single trace by its ID.
Example
package
main
import
(
"context"
trace
"cloud.google.com/go/trace/apiv1"
cloudtracepb
"google.golang.org/genproto/googleapis/devtools/cloudtrace/v1"
)
func
main
()
{
ctx
:=
context
.
Background
()
c
,
err
:=
trace
.
NewClient
(
ctx
)
if
err
!=
nil
{
// TODO: Handle error.
}
defer
c
.
Close
()
req
:=
& cloudtracepb
.
GetTraceRequest
{
// TODO: Fill request struct fields.
}
resp
,
err
:=
c
.
GetTrace
(
ctx
,
req
)
if
err
!=
nil
{
// TODO: Handle error.
}
// TODO: Use resp.
_
=
resp
}
func (*Client) ListTraces
func
(
c
*
Client
)
ListTraces
(
ctx
context
.
Context
,
req
*
cloudtracepb
.
ListTracesRequest
,
opts
...
gax
.
CallOption
)
*
TraceIterator
ListTraces returns of a list of traces that match the specified filter conditions.
Example
package
main
import
(
"context"
trace
"cloud.google.com/go/trace/apiv1"
"google.golang.org/api/iterator"
cloudtracepb
"google.golang.org/genproto/googleapis/devtools/cloudtrace/v1"
)
func
main
()
{
ctx
:=
context
.
Background
()
c
,
err
:=
trace
.
NewClient
(
ctx
)
if
err
!=
nil
{
// TODO: Handle error.
}
defer
c
.
Close
()
req
:=
& cloudtracepb
.
ListTracesRequest
{
// TODO: Fill request struct fields.
}
it
:=
c
.
ListTraces
(
ctx
,
req
)
for
{
resp
,
err
:=
it
.
Next
()
if
err
==
iterator
.
Done
{
break
}
if
err
!=
nil
{
// TODO: Handle error.
}
// TODO: Use resp.
_
=
resp
}
}
func (*Client) PatchTraces
func
(
c
*
Client
)
PatchTraces
(
ctx
context
.
Context
,
req
*
cloudtracepb
.
PatchTracesRequest
,
opts
...
gax
.
CallOption
)
error
PatchTraces sends new traces to Stackdriver Trace or updates existing traces. If the ID of a trace that you send matches that of an existing trace, any fields in the existing trace and its spans are overwritten by the provided values, and any new fields provided are merged with the existing trace data. If the ID does not match, a new trace is created.
Example
package
main
import
(
"context"
trace
"cloud.google.com/go/trace/apiv1"
cloudtracepb
"google.golang.org/genproto/googleapis/devtools/cloudtrace/v1"
)
func
main
()
{
ctx
:=
context
.
Background
()
c
,
err
:=
trace
.
NewClient
(
ctx
)
if
err
!=
nil
{
// TODO: Handle error.
}
defer
c
.
Close
()
req
:=
& cloudtracepb
.
PatchTracesRequest
{
// TODO: Fill request struct fields.
}
err
=
c
.
PatchTraces
(
ctx
,
req
)
if
err
!=
nil
{
// TODO: Handle error.
}
}
func (*Client) SetGoogleClientInfo
SetGoogleClientInfo sets the name and version of the application in
the x-goog-api-client
header passed on each request. Also passes any
provided key-value pairs. Intended for use by Google-written clients.
Internal use only.
TraceIterator
type
TraceIterator
struct
{
// Response is the raw response for the current page.
// It must be cast to the RPC response type.
// Calling Next() or InternalFetch() updates this value.
Response
interface
{}
// InternalFetch is for use by the Google Cloud Libraries only.
// It is not part of the stable interface of this package.
//
// InternalFetch returns results from a single call to the underlying RPC.
// The number of results is no greater than pageSize.
// If there are no more results, nextPageToken is empty and err is nil.
InternalFetch
func
(
pageSize
int
,
pageToken
string
)
(
results
[]
*
cloudtracepb
.
Trace
,
nextPageToken
string
,
err
error
)
// contains filtered or unexported fields
}
TraceIterator manages a stream of *cloudtracepb.Trace.
func (*TraceIterator) Next
func
(
it
*
TraceIterator
)
Next
()
(
*
cloudtracepb
.
Trace
,
error
)
Next returns the next result. Its second return value is iterator.Done if there are no more results. Once Next returns Done, all subsequent calls will return Done.
func (*TraceIterator) PageInfo
func
(
it
*
TraceIterator
)
PageInfo
()
*
iterator
.
PageInfo
PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
