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author | Sebastian Jug <sejug@redhat.com> | 2018-10-16 16:30:53 -0400 |
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committer | Sebastian Jug <seb@stianj.ug> | 2019-02-18 09:57:08 -0500 |
commit | 7141f972700ed454438d8539dd0bec79c0b61cf4 (patch) | |
tree | bfa2e524b71757a514a02ef68661b46dca9a3dfe /vendor/github.com/uber/jaeger-client-go/transport | |
parent | e738ef16225395f5f5e4b93ba1a43ae9449ae11b (diff) | |
download | podman-7141f972700ed454438d8539dd0bec79c0b61cf4.tar.gz podman-7141f972700ed454438d8539dd0bec79c0b61cf4.tar.bz2 podman-7141f972700ed454438d8539dd0bec79c0b61cf4.zip |
OpenTracing support added to start, stop, run, create, pull, and ps
Drop context.Context field from cli.Context
Signed-off-by: Sebastian Jug <sejug@redhat.com>
Diffstat (limited to 'vendor/github.com/uber/jaeger-client-go/transport')
-rw-r--r-- | vendor/github.com/uber/jaeger-client-go/transport/doc.go | 23 | ||||
-rw-r--r-- | vendor/github.com/uber/jaeger-client-go/transport/http.go | 163 |
2 files changed, 186 insertions, 0 deletions
diff --git a/vendor/github.com/uber/jaeger-client-go/transport/doc.go b/vendor/github.com/uber/jaeger-client-go/transport/doc.go new file mode 100644 index 000000000..6b961fb63 --- /dev/null +++ b/vendor/github.com/uber/jaeger-client-go/transport/doc.go @@ -0,0 +1,23 @@ +// Copyright (c) 2017 Uber Technologies, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package transport defines various transports that can be used with +// RemoteReporter to send spans out of process. Transport is responsible +// for serializing the spans into a specific format suitable for sending +// to the tracing backend. Examples may include Thrift over UDP, Thrift +// or JSON over HTTP, Thrift over Kafka, etc. +// +// Implementations are NOT required to be thread-safe; the RemoteReporter +// is expected to only call methods on the Transport from the same go-routine. +package transport diff --git a/vendor/github.com/uber/jaeger-client-go/transport/http.go b/vendor/github.com/uber/jaeger-client-go/transport/http.go new file mode 100644 index 000000000..bc1b3e6b0 --- /dev/null +++ b/vendor/github.com/uber/jaeger-client-go/transport/http.go @@ -0,0 +1,163 @@ +// Copyright (c) 2017 Uber Technologies, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package transport + +import ( + "bytes" + "fmt" + "io" + "io/ioutil" + "net/http" + "time" + + "github.com/uber/jaeger-client-go/thrift" + + "github.com/uber/jaeger-client-go" + j "github.com/uber/jaeger-client-go/thrift-gen/jaeger" +) + +// Default timeout for http request in seconds +const defaultHTTPTimeout = time.Second * 5 + +// HTTPTransport implements Transport by forwarding spans to a http server. +type HTTPTransport struct { + url string + client *http.Client + batchSize int + spans []*j.Span + process *j.Process + httpCredentials *HTTPBasicAuthCredentials +} + +// HTTPBasicAuthCredentials stores credentials for HTTP basic auth. +type HTTPBasicAuthCredentials struct { + username string + password string +} + +// HTTPOption sets a parameter for the HttpCollector +type HTTPOption func(c *HTTPTransport) + +// HTTPTimeout sets maximum timeout for http request. +func HTTPTimeout(duration time.Duration) HTTPOption { + return func(c *HTTPTransport) { c.client.Timeout = duration } +} + +// HTTPBatchSize sets the maximum batch size, after which a collect will be +// triggered. The default batch size is 100 spans. +func HTTPBatchSize(n int) HTTPOption { + return func(c *HTTPTransport) { c.batchSize = n } +} + +// HTTPBasicAuth sets the credentials required to perform HTTP basic auth +func HTTPBasicAuth(username string, password string) HTTPOption { + return func(c *HTTPTransport) { + c.httpCredentials = &HTTPBasicAuthCredentials{username: username, password: password} + } +} + +// HTTPRoundTripper configures the underlying Transport on the *http.Client +// that is used +func HTTPRoundTripper(transport http.RoundTripper) HTTPOption { + return func(c *HTTPTransport) { + c.client.Transport = transport + } +} + +// NewHTTPTransport returns a new HTTP-backend transport. url should be an http +// url of the collector to handle POST request, typically something like: +// http://hostname:14268/api/traces?format=jaeger.thrift +func NewHTTPTransport(url string, options ...HTTPOption) *HTTPTransport { + c := &HTTPTransport{ + url: url, + client: &http.Client{Timeout: defaultHTTPTimeout}, + batchSize: 100, + spans: []*j.Span{}, + } + + for _, option := range options { + option(c) + } + return c +} + +// Append implements Transport. +func (c *HTTPTransport) Append(span *jaeger.Span) (int, error) { + if c.process == nil { + c.process = jaeger.BuildJaegerProcessThrift(span) + } + jSpan := jaeger.BuildJaegerThrift(span) + c.spans = append(c.spans, jSpan) + if len(c.spans) >= c.batchSize { + return c.Flush() + } + return 0, nil +} + +// Flush implements Transport. +func (c *HTTPTransport) Flush() (int, error) { + count := len(c.spans) + if count == 0 { + return 0, nil + } + err := c.send(c.spans) + c.spans = c.spans[:0] + return count, err +} + +// Close implements Transport. +func (c *HTTPTransport) Close() error { + return nil +} + +func (c *HTTPTransport) send(spans []*j.Span) error { + batch := &j.Batch{ + Spans: spans, + Process: c.process, + } + body, err := serializeThrift(batch) + if err != nil { + return err + } + req, err := http.NewRequest("POST", c.url, body) + if err != nil { + return err + } + req.Header.Set("Content-Type", "application/x-thrift") + + if c.httpCredentials != nil { + req.SetBasicAuth(c.httpCredentials.username, c.httpCredentials.password) + } + + resp, err := c.client.Do(req) + if err != nil { + return err + } + io.Copy(ioutil.Discard, resp.Body) + resp.Body.Close() + if resp.StatusCode >= http.StatusBadRequest { + return fmt.Errorf("error from collector: %d", resp.StatusCode) + } + return nil +} + +func serializeThrift(obj thrift.TStruct) (*bytes.Buffer, error) { + t := thrift.NewTMemoryBuffer() + p := thrift.NewTBinaryProtocolTransport(t) + if err := obj.Write(p); err != nil { + return nil, err + } + return t.Buffer, nil +} |