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lifecycle_startup.go
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lifecycle_startup.go
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//
// DISCLAIMER
//
// Copyright 2016-2024 ArangoDB GmbH, Cologne, Germany
//
// 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.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
package cmd
import (
"fmt"
"net/http"
"time"
"github.com/spf13/cobra"
shared "github.com/arangodb/kube-arangodb/pkg/apis/shared"
"github.com/arangodb/kube-arangodb/pkg/util/errors"
)
var cmdLifecycleStartup = &cobra.Command{
Use: "startup",
RunE: cmdLifecycleStartupFunc,
Hidden: true,
}
func cmdLifecycleStartupFunc(cmd *cobra.Command, args []string) error {
var close bool
port := ProbePort.GetOrDefault(fmt.Sprintf("%d", shared.ArangoPort))
server := &http.Server{
Addr: fmt.Sprintf(":%s", port),
}
handlers := http.NewServeMux()
handlers.HandleFunc("/stop", func(writer http.ResponseWriter, request *http.Request) {
writer.WriteHeader(http.StatusOK)
close = true
})
server.Handler = handlers
go func() {
for {
if close {
break
}
time.Sleep(time.Millisecond)
}
server.Close()
}()
if err := server.ListenAndServe(); err != nil {
if errors.Is(err, http.ErrServerClosed) {
return nil
}
return err
}
return nil
}