mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-30 21:33:31 +00:00
84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
// Copyright 2018 The Hugo Authors. All rights reserved.
|
|
//
|
|
// 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.
|
|
|
|
package commands
|
|
|
|
import (
|
|
"syscall"
|
|
|
|
"github.com/spf13/cobra"
|
|
jww "github.com/spf13/jwalterweatherman"
|
|
)
|
|
|
|
var _ cmder = (*limitCmd)(nil)
|
|
|
|
type limitCmd struct {
|
|
*baseCmd
|
|
}
|
|
|
|
func newLimitCmd() *limitCmd {
|
|
ccmd := &cobra.Command{
|
|
Use: "ulimit",
|
|
Short: "Check system ulimit settings",
|
|
Long: `Hugo will inspect the current ulimit settings on the system.
|
|
This is primarily to ensure that Hugo can watch enough files on some OSs`,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
var rLimit syscall.Rlimit
|
|
err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
|
|
if err != nil {
|
|
return newSystemError("Error Getting rlimit ", err)
|
|
}
|
|
|
|
jww.FEEDBACK.Println("Current rLimit:", rLimit)
|
|
|
|
if rLimit.Cur >= newRlimit {
|
|
return nil
|
|
}
|
|
|
|
jww.FEEDBACK.Println("Attempting to increase limit")
|
|
rLimit.Cur = newRlimit
|
|
err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit)
|
|
if err != nil {
|
|
return newSystemError("Error Setting rLimit ", err)
|
|
}
|
|
err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
|
|
if err != nil {
|
|
return newSystemError("Error Getting rLimit ", err)
|
|
}
|
|
jww.FEEDBACK.Println("rLimit after change:", rLimit)
|
|
|
|
return nil
|
|
},
|
|
}
|
|
|
|
return &limitCmd{baseCmd: newBaseCmd(ccmd)}
|
|
}
|
|
|
|
const newRlimit = 10240
|
|
|
|
func tweakLimit() {
|
|
var rLimit syscall.Rlimit
|
|
err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
|
|
if err != nil {
|
|
jww.WARN.Println("Unable to get rlimit:", err)
|
|
return
|
|
}
|
|
if rLimit.Cur < newRlimit {
|
|
rLimit.Cur = newRlimit
|
|
err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit)
|
|
if err != nil {
|
|
// This may not succeed, see https://github.com/golang/go/issues/30401
|
|
jww.INFO.Println("Unable to increase number of open files limit:", err)
|
|
}
|
|
}
|
|
}
|