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read module version info from golang runtime (#856)
* read module version info from golang runtime Instead of maintaining a hard coded version string in the sources, we can get the version of the pulsar-client-go module used to build the client application. Signed-off-by: Paul Gier <[email protected]> * add test for module version Signed-off-by: Paul Gier <[email protected]> Signed-off-by: Paul Gier <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you 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 internal | ||
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| import ( | ||
| "runtime/debug" | ||
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| "golang.org/x/mod/semver" | ||
| ) | ||
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| const ( | ||
| pulsarClientGoModulePath = "github.com/apache/pulsar-client-go" | ||
| ) | ||
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| var ( | ||
| Version string | ||
| ClientVersionString string | ||
| ) | ||
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| // init Initializes the module version information by reading | ||
| // the built in golang build info. If the application was not built | ||
| // using go modules then the version string will not be available. | ||
| func init() { | ||
| if buildInfo, ok := debug.ReadBuildInfo(); ok { | ||
| for _, dep := range buildInfo.Deps { | ||
| if dep.Path == pulsarClientGoModulePath { | ||
| Version = semver.Canonical(dep.Version) | ||
| ClientVersionString = "Pulsar Go " + Version | ||
| return | ||
| } | ||
| } | ||
| } | ||
| Version = "unknown" | ||
| ClientVersionString = "Pulsar Go version unknown" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you 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 internal | ||
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| import ( | ||
| "testing" | ||
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| "github.com/stretchr/testify/assert" | ||
| ) | ||
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| func TestInitVersion(t *testing.T) { | ||
| assert.NotEmpty(t, Version, "version string should not be empty") | ||
| } |