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Introduce version command and handler
Signed-off-by: Pavol Loffay <ploffay@redhat.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // Copyright (c) 2017 The Jaeger Authors. | ||
| // | ||
| // 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. | ||
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| package version | ||
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| var ( | ||
| // commitFromGit is a constant representing the source version that | ||
| // generated this build. It should be set during build via -ldflags. | ||
| commitSHA string | ||
| // versionFromGit is a constant representing the version tag that | ||
| // generated this build. It should be set during build via -ldflags. | ||
| latestVersion string | ||
| // build date in ISO8601 format, output of $(date -u +'%Y-%m-%dT%H:%M:%SZ') | ||
| date string | ||
| ) | ||
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| // Info holds build information | ||
| type Info struct { | ||
| GitCommit string `json:"gitCommit"` | ||
| GitVersion string `json:"GitVersion"` | ||
| BuildDate string `json:"BuildDate"` | ||
| } | ||
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| // Get creates and initialized Info object | ||
| func Get() Info { | ||
| return Info{ | ||
| GitCommit: commitSHA, | ||
| GitVersion: latestVersion, | ||
| BuildDate: date, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| // Copyright (c) 2017 The Jaeger Authors. | ||
| // | ||
| // 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. | ||
|
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| package version | ||
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| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
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| "github.com/spf13/cobra" | ||
| ) | ||
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| // Command creates version command | ||
| func Command() *cobra.Command { | ||
| return &cobra.Command{ | ||
| Use: "version", | ||
| Short: "Print the version", | ||
| Long: `Print the version and build information`, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| info := Get() | ||
| json, err := json.Marshal(info) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Println(string(json)) | ||
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| return nil | ||
| }, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| // Copyright (c) 2017 The Jaeger Authors. | ||
| // | ||
| // 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. | ||
|
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| package version | ||
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| import ( | ||
| "encoding/json" | ||
| "net/http" | ||
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| "go.uber.org/zap" | ||
| ) | ||
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| // RegisterHandler registers version handler to /version | ||
| func RegisterHandler(mu *http.ServeMux, logger *zap.Logger) { | ||
| info := Get() | ||
| json, err := json.Marshal(info) | ||
| if err != nil { | ||
| logger.Fatal("Could not get Jaeger version", zap.Error(err)) | ||
| } | ||
| mu.HandleFunc("/version", func(w http.ResponseWriter, _ *http.Request) { | ||
| w.WriteHeader(200) | ||
| w.Write(json) | ||
| }) | ||
| } |