mirror of
https://github.com/coreos/prometheus-operator.git
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5e9eed43e4
* Share parsing for the logging flags across all binaries. * Refactor and share the web server implementation between the operator and the admission webhook. * Refactor controller configuration structs to include only the required parameters. * Parse label and field selector arguments early instead of doing it in each controller. Signed-off-by: Simon Pasquier <spasquie@redhat.com>
66 lines
2.0 KiB
Go
66 lines
2.0 KiB
Go
// Copyright The prometheus-operator Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Holds the CLI related version functions that unifies handling version printing in all CLIs binaries.
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package versionutil
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import (
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"flag"
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"fmt"
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"io"
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"github.com/alecthomas/kingpin/v2"
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"github.com/prometheus/common/version"
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)
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var (
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printVer bool
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printShort bool
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)
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// RegisterParseFlags registers and parses version related flags.
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func RegisterParseFlags() {
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RegisterFlags(flag.CommandLine)
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flag.Parse()
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}
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// RegisterFlags registers version related flags to core.
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func RegisterFlags(fs *flag.FlagSet) {
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fs.BoolVar(&printVer, "version", false, "Prints current version.")
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fs.BoolVar(&printShort, "short-version", false, "Print just the version number.")
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}
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// RegisterIntoKingpinFlags registers version related flags in kingpin framework.
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func RegisterIntoKingpinFlags(app *kingpin.Application) {
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app.Flag("version", "Prints current version.").Default("false").BoolVar(&printVer)
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app.Flag("short-version", "Print just the version number.").Default("false").BoolVar(&printShort)
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}
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// ShouldPrintVersion returns true if version should be printed.
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// Use Print function to print version information.
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func ShouldPrintVersion() bool {
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return printVer || printShort
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}
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// Print version information to a given out writer.
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func Print(out io.Writer, program string) {
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if printShort {
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fmt.Fprint(out, version.Version)
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return
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}
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if printVer {
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fmt.Fprint(out, version.Print(program))
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}
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}
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