43 lines
1016 B
Go
43 lines
1016 B
Go
package command
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import (
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"fmt"
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"github.com/hashicorp/consul/agent/config"
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"github.com/hashicorp/consul/agent/consul"
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"github.com/mitchellh/cli"
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)
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// VersionCommand is a Command implementation prints the version.
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type VersionCommand struct {
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HumanVersion string
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UI cli.Ui
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}
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func (c *VersionCommand) Help() string {
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return ""
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}
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func (c *VersionCommand) Run(_ []string) int {
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c.UI.Output(fmt.Sprintf("Consul %s", c.HumanVersion))
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rpcProtocol, err := config.DefaultRPCProtocol()
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if err != nil {
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c.UI.Error(err.Error())
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return 2
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}
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var supplement string
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if rpcProtocol < consul.ProtocolVersionMax {
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supplement = fmt.Sprintf(" (agent will automatically use protocol >%d when speaking to compatible agents)",
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rpcProtocol)
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}
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c.UI.Output(fmt.Sprintf("Protocol %d spoken by default, understands %d to %d%s",
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rpcProtocol, consul.ProtocolVersionMin, consul.ProtocolVersionMax, supplement))
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return 0
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}
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func (c *VersionCommand) Synopsis() string {
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return "Prints the Consul version"
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}
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