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2f23fedeb7
Ensure to close the file. This bug is only in `main` I believe. Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
37 lines
967 B
Go
37 lines
967 B
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package cgroups
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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// ReadCgroupfsProperty reads a property from cgroupfs into an existing Node.
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func ReadCgroupfsProperty(node *Node, cgroupPath, property string) error {
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f, err := os.OpenFile(filepath.Join(cgroupPath, property), os.O_RDONLY, 0)
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if err != nil {
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return fmt.Errorf("error opening cgroupfs file %w", err)
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}
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defer f.Close() //nolint:errcheck
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err = node.Parse(property, f)
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if err != nil {
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return fmt.Errorf("error parsing cgroupfs file %w", err)
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}
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return nil
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}
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// GetCgroupProperty reads a property from cgroupfs into a new Node.
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func GetCgroupProperty(cgroupPath, property string) (*Node, error) {
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node := Node{}
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err := ReadCgroupfsProperty(&node, cgroupPath, property)
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return &node, err
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}
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