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version.go
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version.go
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// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. 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.
package version
import (
"encoding/json"
"fmt"
"github.com/dchest/uniuri"
)
// Build information. Populated at build-time.
var (
Version = "unknown"
Revision = "unknown"
Branch = "unknown"
BuildUser = "unknown"
BuildDate = "unknown"
GoVersion = "unknown"
CompilationFlags = "unknown"
)
// Map provides the iterable version information.
var Map = map[string]string{
"version": Version,
"revision": Revision,
"branch": Branch,
"build_user": BuildUser,
"build_date": BuildDate,
"go_version": GoVersion,
"compilation_flags": CompilationFlags,
}
// Full returns full composed version string
func Full() string {
return fmt.Sprintf("%s [%s:%s] (Go: %s, Flags: %s, User: %s, Date: %s)", Version, Branch, Revision, GoVersion, CompilationFlags, BuildUser, BuildDate)
}
// JSON returns json representation of build info
func JSON() string {
payload, err := json.Marshal(Map)
if err != nil {
panic(err)
}
return string(payload)
}
// ID returns an instance id
func ID() string {
return uniuri.NewLen(64)
}