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db5ffde2b7
The Nomad client expects certain cgroups paths to exist in order to manage tasks. These paths are created when the agent first starts, but if process fails the agent would just log the error and proceed with its initialization, despite not being able to run tasks. This commit surfaces the errors back to the client initialization so the process can stop early and make clear to operators that something went wrong.
41 lines
817 B
Go
41 lines
817 B
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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//go:build !linux
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package proclib
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// New creates a Wranglers backed by the DefaultWrangler implementation, which
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// does not do anything.
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func New(configs *Configs) (*Wranglers, error) {
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w := &Wranglers{
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configs: configs,
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m: make(map[Task]ProcessWrangler),
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create: doNothing(configs),
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}
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return w, nil
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}
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func doNothing(*Configs) create {
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return func(Task) ProcessWrangler {
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return new(DefaultWrangler)
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}
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}
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// A DefaultWrangler has a no-op implementation. In the task drivers
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// we trust for cleaning themselves up.
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type DefaultWrangler struct{}
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func (w *DefaultWrangler) Initialize() error {
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return nil
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}
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func (w *DefaultWrangler) Kill() error {
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return nil
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}
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func (w *DefaultWrangler) Cleanup() error {
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return nil
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}
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