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67c401c059
Then we can check hypervisor liveness in those cases to avoid long timeout when connecting to the agent when hypervisor is dead. For kata-agent, we still use the kata-proxy pid for the same purpose. Signed-off-by: Peng Tao <bergwolf@hyper.sh>
49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
// Copyright (c) 2017 Intel Corporation
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package virtcontainers
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import (
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"fmt"
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)
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// This is the no proxy implementation of the proxy interface. This
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// is a generic implementation for any case (basically any agent),
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// where no actual proxy is needed. This happens when the combination
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// of the VM and the agent can handle multiple connections without
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// additional component to handle the multiplexing. Both the runtime
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// and the shim will connect to the agent through the VM, bypassing
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// the proxy model.
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// That's why this implementation is very generic, and all it does
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// is to provide both shim and runtime the correct URL to connect
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// directly to the VM.
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type noProxy struct {
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}
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// start is noProxy start implementation for proxy interface.
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func (p *noProxy) start(params proxyParams) (int, string, error) {
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if params.logger == nil {
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return -1, "", fmt.Errorf("proxy logger is not set")
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}
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params.logger.Debug("No proxy started because of no-proxy implementation")
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if params.agentURL == "" {
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return -1, "", fmt.Errorf("AgentURL cannot be empty")
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}
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return params.hid, params.agentURL, nil
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}
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// stop is noProxy stop implementation for proxy interface.
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func (p *noProxy) stop(pid int) error {
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return nil
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}
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// The noproxy doesn't need to watch the vm console, thus return false always.
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func (p *noProxy) consoleWatched() bool {
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return false
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}
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