66 lines
2.0 KiB
Go
66 lines
2.0 KiB
Go
/*
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Copyright 2020 The cert-manager Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package main
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import (
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"context"
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"fmt"
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"os"
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"runtime"
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"strings"
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cmdutil "k8s.io/kubectl/pkg/cmd/util"
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ctlcmd "github.com/cert-manager/cert-manager/cmd/ctl/cmd"
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"github.com/cert-manager/cert-manager/internal/cmd/util"
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logf "github.com/cert-manager/cert-manager/pkg/logs"
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)
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func main() {
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stopCh, exit := util.SetupExitHandler(util.AlwaysErrCode)
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defer exit() // This function might call os.Exit, so defer last
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logf.InitLogs()
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defer logf.FlushLogs()
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// In cmctl, we are using cmdutil.CheckErr, a kubectl utility function that creates human readable
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// error messages from errors. By default, this function will call os.Exit(1) if it receives an error.
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// Instead, we want to do a soft exit, and use SetExitCode to set the correct exit code.
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// Additionally, we make sure to output the final error message to stdout, as we do not want this
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// message to be mixed with other log outputs from the execution of the command.
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// To do this, we need to set a custom error handler.
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cmdutil.BehaviorOnFatal(func(msg string, code int) {
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if len(msg) > 0 {
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// add newline if needed
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if !strings.HasSuffix(msg, "\n") {
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msg += "\n"
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}
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fmt.Fprint(os.Stdout, msg)
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}
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util.SetExitCodeValue(code)
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runtime.Goexit() // Do soft exit (handle all defers, that should set correct exit code)
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})
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ctx := util.ContextWithStopCh(context.Background(), stopCh)
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cmd := ctlcmd.NewCertManagerCtlCommand(ctx, os.Stdin, os.Stdout, os.Stderr)
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if err := cmd.Execute(); err != nil {
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cmdutil.CheckErr(err)
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}
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}
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