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Shailend ChandandgVisor bot
baf615a53c
The new flag is not a boolean flag, in deference to PR#14197. PiperOrigin-RevId: 970257422
57 lines
2.7 KiB
Go
57 lines
2.7 KiB
Go
// Copyright 2026 The gVisor 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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package config
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import (
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"fmt"
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"os"
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"time"
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"gvisor.dev/gvisor/pkg/sync"
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"gvisor.dev/gvisor/runsc/flag"
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)
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var deprecatedFlags sync.Map // map[string]*time.Time
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// WarnOnDeprecatedFlagUsage prints a warning message for any deprecated flags
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// that are set in the given flag set.
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func WarnOnDeprecatedFlagUsage(flagSet *flag.FlagSet) {
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flagSet.Visit(func(f *flag.Flag) {
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if deprecationDateAny, ok := deprecatedFlags.Load(f.Name); ok {
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deprecationDate := deprecationDateAny.(*time.Time)
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fmt.Fprintf(os.Stderr, "\033[1mWARNING\033[0m: --%s is deprecated. Expect it to be removed by %s.\n--%s usage: %s\n\n",
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f.Name, deprecationDate.Format("2006-01"), f.Name, f.Usage)
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}
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})
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}
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func deprecatedBool(flagSet *flag.FlagSet, name string, defaultValue bool, usage string, removalDate time.Time) {
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flagSet.Bool(name, defaultValue, usage)
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deprecatedFlags.LoadOrStore(name, &removalDate)
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}
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// RegisterDeprecatedFlags registers flags that should no longer be used and
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// are planned for removal.
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func RegisterDeprecatedFlags(flagSet *flag.FlagSet) {
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deprecatedBool(flagSet, "buffer-pooling", true, "DEPRECATED: this flag has no effect.", time.Date(2027, time.January, 1, 0, 0, 0, 0, time.UTC))
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deprecatedBool(flagSet, "vfs2", true, "DEPRECATED: this flag has no effect.", time.Date(2027, time.January, 1, 0, 0, 0, 0, time.UTC))
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deprecatedBool(flagSet, "fuse", true, "DEPRECATED: this flag has no effect.", time.Date(2027, time.January, 1, 0, 0, 0, 0, time.UTC))
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deprecatedBool(flagSet, "lisafs", true, "DEPRECATED: this flag has no effect.", time.Date(2027, time.January, 1, 0, 0, 0, 0, time.UTC))
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deprecatedBool(flagSet, "cgroupfs", false, "DEPRECATED: this flag has no effect.", time.Date(2027, time.January, 1, 0, 0, 0, 0, time.UTC))
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deprecatedBool(flagSet, "fsgofer-host-uds", false, "DEPRECATED: use host-uds=all", time.Date(2027, time.January, 1, 0, 0, 0, 0, time.UTC))
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deprecatedBool(flagSet, "save-restore-netstack", true, "DEPRECATED: this flag has no effect.", time.Date(2027, time.January, 1, 0, 0, 0, 0, time.UTC))
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deprecatedBool(flagSet, "mount-cgroup-v2", false, "DEPRECATED: use in-sandbox-cgroup=v2", time.Date(2027, time.January, 1, 0, 0, 0, 0, time.UTC))
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}
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