mirror of https://github.com/docker/docs.git
60 lines
1.2 KiB
Go
60 lines
1.2 KiB
Go
package plugin
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import (
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"fmt"
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"net"
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"net/http"
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"net/rpc"
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"os"
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"time"
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"github.com/docker/machine/libmachine/drivers"
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"github.com/docker/machine/libmachine/drivers/plugin/localbinary"
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"github.com/docker/machine/libmachine/drivers/rpc"
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"github.com/docker/machine/libmachine/log"
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"github.com/docker/machine/libmachine/version"
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)
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var (
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heartbeatTimeout = 500 * time.Millisecond
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)
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func RegisterDriver(d drivers.Driver) {
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if os.Getenv(localbinary.PluginEnvKey) != localbinary.PluginEnvVal {
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fmt.Fprintf(os.Stderr, `This is a Docker Machine plugin binary.
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Plugin binaries are not intended to be invoked directly.
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Please use this plugin through the main 'docker-machine' binary.
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(API version: %d)
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`, version.APIVersion)
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os.Exit(1)
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}
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log.IsDebug = true
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rpcd := rpcdriver.NewRPCServerDriver(d)
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rpc.Register(rpcd)
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rpc.HandleHTTP()
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listener, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error loading RPC server: %s\n", err)
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os.Exit(1)
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}
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defer listener.Close()
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fmt.Println(listener.Addr())
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go http.Serve(listener, nil)
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for {
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select {
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case <-rpcd.CloseCh:
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os.Exit(0)
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case <-rpcd.HeartbeatCh:
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continue
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case <-time.After(heartbeatTimeout):
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os.Exit(1)
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}
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}
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}
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